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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include <map>
      6 
      7 #include "base/memory/scoped_ptr.h"
      8 #include "base/rand_util.h"
      9 #include "base/strings/string_util.h"
     10 #include "base/strings/utf_string_conversions.h"
     11 #include "grit/ui_strings.h"
     12 #include "ui/base/accelerators/accelerator.h"
     13 #include "ui/base/clipboard/clipboard.h"
     14 #include "ui/base/l10n/l10n_util.h"
     15 #include "ui/compositor/compositor.h"
     16 #include "ui/compositor/layer.h"
     17 #include "ui/compositor/layer_animator.h"
     18 #include "ui/compositor/test/draw_waiter_for_test.h"
     19 #include "ui/events/event.h"
     20 #include "ui/events/gestures/gesture_recognizer.h"
     21 #include "ui/events/keycodes/keyboard_codes.h"
     22 #include "ui/gfx/canvas.h"
     23 #include "ui/gfx/path.h"
     24 #include "ui/gfx/transform.h"
     25 #include "ui/views/background.h"
     26 #include "ui/views/controls/native/native_view_host.h"
     27 #include "ui/views/controls/scroll_view.h"
     28 #include "ui/views/controls/textfield/textfield.h"
     29 #include "ui/views/focus/view_storage.h"
     30 #include "ui/views/test/views_test_base.h"
     31 #include "ui/views/view.h"
     32 #include "ui/views/views_delegate.h"
     33 #include "ui/views/widget/native_widget.h"
     34 #include "ui/views/widget/root_view.h"
     35 #include "ui/views/window/dialog_client_view.h"
     36 #include "ui/views/window/dialog_delegate.h"
     37 
     38 using base::ASCIIToUTF16;
     39 
     40 namespace {
     41 
     42 // Returns true if |ancestor| is an ancestor of |layer|.
     43 bool LayerIsAncestor(const ui::Layer* ancestor, const ui::Layer* layer) {
     44   while (layer && layer != ancestor)
     45     layer = layer->parent();
     46   return layer == ancestor;
     47 }
     48 
     49 // Convenience functions for walking a View tree.
     50 const views::View* FirstView(const views::View* view) {
     51   const views::View* v = view;
     52   while (v->has_children())
     53     v = v->child_at(0);
     54   return v;
     55 }
     56 
     57 const views::View* NextView(const views::View* view) {
     58   const views::View* v = view;
     59   const views::View* parent = v->parent();
     60   if (!parent)
     61     return NULL;
     62   int next = parent->GetIndexOf(v) + 1;
     63   if (next != parent->child_count())
     64     return FirstView(parent->child_at(next));
     65   return parent;
     66 }
     67 
     68 // Convenience functions for walking a Layer tree.
     69 const ui::Layer* FirstLayer(const ui::Layer* layer) {
     70   const ui::Layer* l = layer;
     71   while (l->children().size() > 0)
     72     l = l->children()[0];
     73   return l;
     74 }
     75 
     76 const ui::Layer* NextLayer(const ui::Layer* layer) {
     77   const ui::Layer* parent = layer->parent();
     78   if (!parent)
     79     return NULL;
     80   const std::vector<ui::Layer*> children = parent->children();
     81   size_t index;
     82   for (index = 0; index < children.size(); index++) {
     83     if (children[index] == layer)
     84       break;
     85   }
     86   size_t next = index + 1;
     87   if (next < children.size())
     88     return FirstLayer(children[next]);
     89   return parent;
     90 }
     91 
     92 // Given the root nodes of a View tree and a Layer tree, makes sure the two
     93 // trees are in sync.
     94 bool ViewAndLayerTreeAreConsistent(const views::View* view,
     95                                    const ui::Layer* layer) {
     96   const views::View* v = FirstView(view);
     97   const ui::Layer* l = FirstLayer(layer);
     98   while (v && l) {
     99     // Find the view with a layer.
    100     while (v && !v->layer())
    101       v = NextView(v);
    102     EXPECT_TRUE(v);
    103     if (!v)
    104       return false;
    105 
    106     // Check if the View tree and the Layer tree are in sync.
    107     EXPECT_EQ(l, v->layer());
    108     if (v->layer() != l)
    109       return false;
    110 
    111     // Check if the visibility states of the View and the Layer are in sync.
    112     EXPECT_EQ(l->IsDrawn(), v->IsDrawn());
    113     if (v->IsDrawn() != l->IsDrawn()) {
    114       for (const views::View* vv = v; vv; vv = vv->parent())
    115         LOG(ERROR) << "V: " << vv << " " << vv->visible() << " "
    116                    << vv->IsDrawn() << " " << vv->layer();
    117       for (const ui::Layer* ll = l; ll; ll = ll->parent())
    118         LOG(ERROR) << "L: " << ll << " " << ll->IsDrawn();
    119       return false;
    120     }
    121 
    122     // Check if the size of the View and the Layer are in sync.
    123     EXPECT_EQ(l->bounds(), v->bounds());
    124     if (v->bounds() != l->bounds())
    125       return false;
    126 
    127     if (v == view || l == layer)
    128       return v == view && l == layer;
    129 
    130     v = NextView(v);
    131     l = NextLayer(l);
    132   }
    133 
    134   return false;
    135 }
    136 
    137 // Constructs a View tree with the specified depth.
    138 void ConstructTree(views::View* view, int depth) {
    139   if (depth == 0)
    140     return;
    141   int count = base::RandInt(1, 5);
    142   for (int i = 0; i < count; i++) {
    143     views::View* v = new views::View;
    144     view->AddChildView(v);
    145     if (base::RandDouble() > 0.5)
    146       v->SetPaintToLayer(true);
    147     if (base::RandDouble() < 0.2)
    148       v->SetVisible(false);
    149 
    150     ConstructTree(v, depth - 1);
    151   }
    152 }
    153 
    154 void ScrambleTree(views::View* view) {
    155   int count = view->child_count();
    156   if (count == 0)
    157     return;
    158   for (int i = 0; i < count; i++) {
    159     ScrambleTree(view->child_at(i));
    160   }
    161 
    162   if (count > 1) {
    163     int a = base::RandInt(0, count - 1);
    164     int b = base::RandInt(0, count - 1);
    165 
    166     views::View* view_a = view->child_at(a);
    167     views::View* view_b = view->child_at(b);
    168     view->ReorderChildView(view_a, b);
    169     view->ReorderChildView(view_b, a);
    170   }
    171 
    172   if (!view->layer() && base::RandDouble() < 0.1)
    173     view->SetPaintToLayer(true);
    174 
    175   if (base::RandDouble() < 0.1)
    176     view->SetVisible(!view->visible());
    177 }
    178 
    179 // Convenience to make constructing a GestureEvent simpler.
    180 class GestureEventForTest : public ui::GestureEvent {
    181  public:
    182   GestureEventForTest(ui::EventType type, int x, int y, int flags)
    183       : GestureEvent(type, x, y, flags, base::TimeDelta(),
    184                      ui::GestureEventDetails(type, 0.0f, 0.0f), 0) {
    185   }
    186 
    187  private:
    188   DISALLOW_COPY_AND_ASSIGN(GestureEventForTest);
    189 };
    190 
    191 }  // namespace
    192 
    193 namespace views {
    194 
    195 typedef ViewsTestBase ViewTest;
    196 
    197 // A derived class for testing purpose.
    198 class TestView : public View {
    199  public:
    200   TestView()
    201       : View(),
    202         delete_on_pressed_(false),
    203         native_theme_(NULL),
    204         can_process_events_within_subtree_(true) {}
    205   virtual ~TestView() {}
    206 
    207   // Reset all test state
    208   void Reset() {
    209     did_change_bounds_ = false;
    210     last_mouse_event_type_ = 0;
    211     location_.SetPoint(0, 0);
    212     received_mouse_enter_ = false;
    213     received_mouse_exit_ = false;
    214     last_gesture_event_type_ = 0;
    215     last_gesture_event_was_handled_ = false;
    216     last_clip_.setEmpty();
    217     accelerator_count_map_.clear();
    218     can_process_events_within_subtree_ = true;
    219   }
    220 
    221   // Exposed as public for testing.
    222   void DoFocus() {
    223     views::View::Focus();
    224   }
    225 
    226   void DoBlur() {
    227     views::View::Blur();
    228   }
    229 
    230   bool focusable() const { return View::focusable(); }
    231 
    232   void set_can_process_events_within_subtree(bool can_process) {
    233     can_process_events_within_subtree_ = can_process;
    234   }
    235 
    236   virtual bool CanProcessEventsWithinSubtree() const OVERRIDE {
    237     return can_process_events_within_subtree_;
    238   }
    239 
    240   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
    241   virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
    242   virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE;
    243   virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
    244   virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
    245   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
    246 
    247   // Ignores GestureEvent by default.
    248   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
    249 
    250   virtual void Paint(gfx::Canvas* canvas, const CullSet& cull_set) OVERRIDE;
    251   virtual void SchedulePaintInRect(const gfx::Rect& rect) OVERRIDE;
    252   virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
    253 
    254   virtual void OnNativeThemeChanged(const ui::NativeTheme* native_theme)
    255       OVERRIDE;
    256 
    257   // OnBoundsChanged.
    258   bool did_change_bounds_;
    259   gfx::Rect new_bounds_;
    260 
    261   // MouseEvent.
    262   int last_mouse_event_type_;
    263   gfx::Point location_;
    264   bool received_mouse_enter_;
    265   bool received_mouse_exit_;
    266   bool delete_on_pressed_;
    267 
    268   // Painting.
    269   std::vector<gfx::Rect> scheduled_paint_rects_;
    270 
    271   // GestureEvent
    272   int last_gesture_event_type_;
    273   bool last_gesture_event_was_handled_;
    274 
    275   // Painting.
    276   SkRect last_clip_;
    277 
    278   // Accelerators.
    279   std::map<ui::Accelerator, int> accelerator_count_map_;
    280 
    281   // Native theme.
    282   const ui::NativeTheme* native_theme_;
    283 
    284   // Value to return from CanProcessEventsWithinSubtree().
    285   bool can_process_events_within_subtree_;
    286 };
    287 
    288 // A view subclass that consumes all Gesture events for testing purposes.
    289 class TestViewConsumeGesture : public TestView {
    290  public:
    291   TestViewConsumeGesture() : TestView() {}
    292   virtual ~TestViewConsumeGesture() {}
    293 
    294  protected:
    295   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
    296     last_gesture_event_type_ = event->type();
    297     location_.SetPoint(event->x(), event->y());
    298     event->StopPropagation();
    299   }
    300 
    301  private:
    302   DISALLOW_COPY_AND_ASSIGN(TestViewConsumeGesture);
    303 };
    304 
    305 // A view subclass that ignores all Gesture events.
    306 class TestViewIgnoreGesture: public TestView {
    307  public:
    308   TestViewIgnoreGesture() : TestView() {}
    309   virtual ~TestViewIgnoreGesture() {}
    310 
    311  private:
    312   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
    313   }
    314 
    315   DISALLOW_COPY_AND_ASSIGN(TestViewIgnoreGesture);
    316 };
    317 
    318 // A view subclass that ignores all scroll-gesture events, but consume all other
    319 // gesture events.
    320 class TestViewIgnoreScrollGestures : public TestViewConsumeGesture {
    321  public:
    322   TestViewIgnoreScrollGestures() {}
    323   virtual ~TestViewIgnoreScrollGestures() {}
    324 
    325  private:
    326   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
    327     if (event->IsScrollGestureEvent())
    328       return;
    329     TestViewConsumeGesture::OnGestureEvent(event);
    330   }
    331 
    332   DISALLOW_COPY_AND_ASSIGN(TestViewIgnoreScrollGestures);
    333 };
    334 
    335 ////////////////////////////////////////////////////////////////////////////////
    336 // OnBoundsChanged
    337 ////////////////////////////////////////////////////////////////////////////////
    338 
    339 void TestView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
    340   did_change_bounds_ = true;
    341   new_bounds_ = bounds();
    342 }
    343 
    344 TEST_F(ViewTest, OnBoundsChanged) {
    345   TestView v;
    346 
    347   gfx::Rect prev_rect(0, 0, 200, 200);
    348   gfx::Rect new_rect(100, 100, 250, 250);
    349 
    350   v.SetBoundsRect(prev_rect);
    351   v.Reset();
    352   v.SetBoundsRect(new_rect);
    353 
    354   EXPECT_TRUE(v.did_change_bounds_);
    355   EXPECT_EQ(v.new_bounds_, new_rect);
    356   EXPECT_EQ(v.bounds(), new_rect);
    357 }
    358 
    359 ////////////////////////////////////////////////////////////////////////////////
    360 // MouseEvent
    361 ////////////////////////////////////////////////////////////////////////////////
    362 
    363 bool TestView::OnMousePressed(const ui::MouseEvent& event) {
    364   last_mouse_event_type_ = event.type();
    365   location_.SetPoint(event.x(), event.y());
    366   if (delete_on_pressed_)
    367     delete this;
    368   return true;
    369 }
    370 
    371 bool TestView::OnMouseDragged(const ui::MouseEvent& event) {
    372   last_mouse_event_type_ = event.type();
    373   location_.SetPoint(event.x(), event.y());
    374   return true;
    375 }
    376 
    377 void TestView::OnMouseReleased(const ui::MouseEvent& event) {
    378   last_mouse_event_type_ = event.type();
    379   location_.SetPoint(event.x(), event.y());
    380 }
    381 
    382 void TestView::OnMouseEntered(const ui::MouseEvent& event) {
    383   received_mouse_enter_ = true;
    384 }
    385 
    386 void TestView::OnMouseExited(const ui::MouseEvent& event) {
    387   received_mouse_exit_ = true;
    388 }
    389 
    390 TEST_F(ViewTest, MouseEvent) {
    391   TestView* v1 = new TestView();
    392   v1->SetBoundsRect(gfx::Rect(0, 0, 300, 300));
    393 
    394   TestView* v2 = new TestView();
    395   v2->SetBoundsRect(gfx::Rect(100, 100, 100, 100));
    396 
    397   scoped_ptr<Widget> widget(new Widget);
    398   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
    399   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
    400   params.bounds = gfx::Rect(50, 50, 650, 650);
    401   widget->Init(params);
    402   internal::RootView* root =
    403       static_cast<internal::RootView*>(widget->GetRootView());
    404 
    405   root->AddChildView(v1);
    406   v1->AddChildView(v2);
    407 
    408   v1->Reset();
    409   v2->Reset();
    410 
    411   gfx::Point p1(110, 120);
    412   ui::MouseEvent pressed(ui::ET_MOUSE_PRESSED, p1, p1,
    413                          ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
    414   root->OnMousePressed(pressed);
    415   EXPECT_EQ(v2->last_mouse_event_type_, ui::ET_MOUSE_PRESSED);
    416   EXPECT_EQ(v2->location_.x(), 10);
    417   EXPECT_EQ(v2->location_.y(), 20);
    418   // Make sure v1 did not receive the event
    419   EXPECT_EQ(v1->last_mouse_event_type_, 0);
    420 
    421   // Drag event out of bounds. Should still go to v2
    422   v1->Reset();
    423   v2->Reset();
    424   gfx::Point p2(50, 40);
    425   ui::MouseEvent dragged(ui::ET_MOUSE_DRAGGED, p2, p2,
    426                          ui::EF_LEFT_MOUSE_BUTTON, 0);
    427   root->OnMouseDragged(dragged);
    428   EXPECT_EQ(v2->last_mouse_event_type_, ui::ET_MOUSE_DRAGGED);
    429   EXPECT_EQ(v2->location_.x(), -50);
    430   EXPECT_EQ(v2->location_.y(), -60);
    431   // Make sure v1 did not receive the event
    432   EXPECT_EQ(v1->last_mouse_event_type_, 0);
    433 
    434   // Releasted event out of bounds. Should still go to v2
    435   v1->Reset();
    436   v2->Reset();
    437   ui::MouseEvent released(ui::ET_MOUSE_RELEASED, gfx::Point(), gfx::Point(), 0,
    438                           0);
    439   root->OnMouseDragged(released);
    440   EXPECT_EQ(v2->last_mouse_event_type_, ui::ET_MOUSE_RELEASED);
    441   EXPECT_EQ(v2->location_.x(), -100);
    442   EXPECT_EQ(v2->location_.y(), -100);
    443   // Make sure v1 did not receive the event
    444   EXPECT_EQ(v1->last_mouse_event_type_, 0);
    445 
    446   widget->CloseNow();
    447 }
    448 
    449 // Confirm that a view can be deleted as part of processing a mouse press.
    450 TEST_F(ViewTest, DeleteOnPressed) {
    451   TestView* v1 = new TestView();
    452   v1->SetBoundsRect(gfx::Rect(0, 0, 300, 300));
    453 
    454   TestView* v2 = new TestView();
    455   v2->SetBoundsRect(gfx::Rect(100, 100, 100, 100));
    456 
    457   v1->Reset();
    458   v2->Reset();
    459 
    460   scoped_ptr<Widget> widget(new Widget);
    461   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
    462   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
    463   params.bounds = gfx::Rect(50, 50, 650, 650);
    464   widget->Init(params);
    465   View* root = widget->GetRootView();
    466 
    467   root->AddChildView(v1);
    468   v1->AddChildView(v2);
    469 
    470   v2->delete_on_pressed_ = true;
    471   gfx::Point point(110, 120);
    472   ui::MouseEvent pressed(ui::ET_MOUSE_PRESSED, point, point,
    473                          ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
    474   root->OnMousePressed(pressed);
    475   EXPECT_EQ(0, v1->child_count());
    476 
    477   widget->CloseNow();
    478 }
    479 
    480 ////////////////////////////////////////////////////////////////////////////////
    481 // GestureEvent
    482 ////////////////////////////////////////////////////////////////////////////////
    483 
    484 void TestView::OnGestureEvent(ui::GestureEvent* event) {
    485 }
    486 
    487 TEST_F(ViewTest, GestureEvent) {
    488   // Views hierarchy for non delivery of GestureEvent.
    489   TestView* v1 = new TestViewConsumeGesture();
    490   v1->SetBoundsRect(gfx::Rect(0, 0, 300, 300));
    491 
    492   TestView* v2 = new TestViewConsumeGesture();
    493   v2->SetBoundsRect(gfx::Rect(100, 100, 100, 100));
    494 
    495   TestView* v3 = new TestViewIgnoreGesture();
    496   v3->SetBoundsRect(gfx::Rect(0, 0, 100, 100));
    497 
    498   scoped_ptr<Widget> widget(new Widget());
    499   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
    500   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
    501   params.bounds = gfx::Rect(50, 50, 650, 650);
    502   widget->Init(params);
    503   internal::RootView* root =
    504       static_cast<internal::RootView*>(widget->GetRootView());
    505   ui::EventDispatchDetails details;
    506 
    507   root->AddChildView(v1);
    508   v1->AddChildView(v2);
    509   v2->AddChildView(v3);
    510 
    511   // |v3| completely obscures |v2|, but all the gesture events on |v3| should
    512   // reach |v2| because |v3| doesn't process any gesture events. However, since
    513   // |v2| does process gesture events, gesture events on |v3| or |v2| should not
    514   // reach |v1|.
    515 
    516   v1->Reset();
    517   v2->Reset();
    518   v3->Reset();
    519 
    520   // Gesture on |v3|
    521   GestureEventForTest g1(ui::ET_GESTURE_TAP, 110, 110, 0);
    522   details = root->OnEventFromSource(&g1);
    523   EXPECT_FALSE(details.dispatcher_destroyed);
    524   EXPECT_FALSE(details.target_destroyed);
    525 
    526   EXPECT_EQ(ui::ET_GESTURE_TAP, v2->last_gesture_event_type_);
    527   EXPECT_EQ(gfx::Point(10, 10), v2->location_);
    528   EXPECT_EQ(ui::ET_UNKNOWN, v1->last_gesture_event_type_);
    529 
    530   // Simulate an up so that RootView is no longer targetting |v3|.
    531   GestureEventForTest g1_up(ui::ET_GESTURE_END, 110, 110, 0);
    532   details = root->OnEventFromSource(&g1_up);
    533   EXPECT_FALSE(details.dispatcher_destroyed);
    534   EXPECT_FALSE(details.target_destroyed);
    535 
    536   v1->Reset();
    537   v2->Reset();
    538   v3->Reset();
    539 
    540   // Gesture on |v1|
    541   GestureEventForTest g2(ui::ET_GESTURE_TAP, 80, 80, 0);
    542   details = root->OnEventFromSource(&g2);
    543   EXPECT_FALSE(details.dispatcher_destroyed);
    544   EXPECT_FALSE(details.target_destroyed);
    545 
    546   EXPECT_EQ(ui::ET_GESTURE_TAP, v1->last_gesture_event_type_);
    547   EXPECT_EQ(gfx::Point(80, 80), v1->location_);
    548   EXPECT_EQ(ui::ET_UNKNOWN, v2->last_gesture_event_type_);
    549 
    550   // Send event |g1| again. Even though the coordinates target |v3| it should go
    551   // to |v1| as that is the view the touch was initially down on.
    552   v1->last_gesture_event_type_ = ui::ET_UNKNOWN;
    553   v3->last_gesture_event_type_ = ui::ET_UNKNOWN;
    554   details = root->OnEventFromSource(&g1);
    555   EXPECT_FALSE(details.dispatcher_destroyed);
    556   EXPECT_FALSE(details.target_destroyed);
    557 
    558   EXPECT_EQ(ui::ET_GESTURE_TAP, v1->last_gesture_event_type_);
    559   EXPECT_EQ(ui::ET_UNKNOWN, v3->last_gesture_event_type_);
    560   EXPECT_EQ("110,110", v1->location_.ToString());
    561 
    562   widget->CloseNow();
    563 }
    564 
    565 TEST_F(ViewTest, ScrollGestureEvent) {
    566   // Views hierarchy for non delivery of GestureEvent.
    567   TestView* v1 = new TestViewConsumeGesture();
    568   v1->SetBoundsRect(gfx::Rect(0, 0, 300, 300));
    569 
    570   TestView* v2 = new TestViewIgnoreScrollGestures();
    571   v2->SetBoundsRect(gfx::Rect(100, 100, 100, 100));
    572 
    573   TestView* v3 = new TestViewIgnoreGesture();
    574   v3->SetBoundsRect(gfx::Rect(0, 0, 100, 100));
    575 
    576   scoped_ptr<Widget> widget(new Widget());
    577   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
    578   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
    579   params.bounds = gfx::Rect(50, 50, 650, 650);
    580   widget->Init(params);
    581   internal::RootView* root =
    582       static_cast<internal::RootView*>(widget->GetRootView());
    583   ui::EventDispatchDetails details;
    584 
    585   root->AddChildView(v1);
    586   v1->AddChildView(v2);
    587   v2->AddChildView(v3);
    588 
    589   // |v3| completely obscures |v2|, but all the gesture events on |v3| should
    590   // reach |v2| because |v3| doesn't process any gesture events. However, since
    591   // |v2| does process gesture events, gesture events on |v3| or |v2| should not
    592   // reach |v1|.
    593 
    594   v1->Reset();
    595   v2->Reset();
    596   v3->Reset();
    597 
    598   // Gesture on |v3|
    599   GestureEventForTest g1(ui::ET_GESTURE_TAP, 110, 110, 0);
    600   details = root->OnEventFromSource(&g1);
    601   EXPECT_FALSE(details.dispatcher_destroyed);
    602   EXPECT_FALSE(details.target_destroyed);
    603 
    604   EXPECT_EQ(ui::ET_GESTURE_TAP, v2->last_gesture_event_type_);
    605   EXPECT_EQ(gfx::Point(10, 10), v2->location_);
    606   EXPECT_EQ(ui::ET_UNKNOWN, v1->last_gesture_event_type_);
    607 
    608   v2->Reset();
    609 
    610   // Send scroll gestures on |v3|. The gesture should reach |v2|, however,
    611   // since it does not process scroll-gesture events, these events should reach
    612   // |v1|.
    613   GestureEventForTest gscroll_begin(ui::ET_GESTURE_SCROLL_BEGIN, 115, 115, 0);
    614   details = root->OnEventFromSource(&gscroll_begin);
    615   EXPECT_FALSE(details.dispatcher_destroyed);
    616   EXPECT_FALSE(details.target_destroyed);
    617 
    618   EXPECT_EQ(ui::ET_UNKNOWN, v2->last_gesture_event_type_);
    619   EXPECT_EQ(ui::ET_GESTURE_SCROLL_BEGIN, v1->last_gesture_event_type_);
    620   v1->Reset();
    621 
    622   // Send a second tap on |v1|. The event should reach |v2| since it is the
    623   // default gesture handler, and not |v1| (even though it is the view under the
    624   // point, and is the scroll event handler).
    625   GestureEventForTest second_tap(ui::ET_GESTURE_TAP, 70, 70, 0);
    626   details = root->OnEventFromSource(&second_tap);
    627   EXPECT_FALSE(details.dispatcher_destroyed);
    628   EXPECT_FALSE(details.target_destroyed);
    629 
    630   EXPECT_EQ(ui::ET_GESTURE_TAP, v2->last_gesture_event_type_);
    631   EXPECT_EQ(ui::ET_UNKNOWN, v1->last_gesture_event_type_);
    632   v2->Reset();
    633 
    634   GestureEventForTest gscroll_end(ui::ET_GESTURE_SCROLL_END, 50, 50, 0);
    635   details = root->OnEventFromSource(&gscroll_end);
    636   EXPECT_FALSE(details.dispatcher_destroyed);
    637   EXPECT_FALSE(details.target_destroyed);
    638 
    639   EXPECT_EQ(ui::ET_GESTURE_SCROLL_END, v1->last_gesture_event_type_);
    640   v1->Reset();
    641 
    642   // Simulate an up so that RootView is no longer targetting |v3|.
    643   GestureEventForTest g1_up(ui::ET_GESTURE_END, 110, 110, 0);
    644   details = root->OnEventFromSource(&g1_up);
    645   EXPECT_FALSE(details.dispatcher_destroyed);
    646   EXPECT_FALSE(details.target_destroyed);
    647 
    648   EXPECT_EQ(ui::ET_GESTURE_END, v2->last_gesture_event_type_);
    649 
    650   v1->Reset();
    651   v2->Reset();
    652   v3->Reset();
    653 
    654   // Gesture on |v1|
    655   GestureEventForTest g2(ui::ET_GESTURE_TAP, 80, 80, 0);
    656   details = root->OnEventFromSource(&g2);
    657   EXPECT_FALSE(details.dispatcher_destroyed);
    658   EXPECT_FALSE(details.target_destroyed);
    659 
    660   EXPECT_EQ(ui::ET_GESTURE_TAP, v1->last_gesture_event_type_);
    661   EXPECT_EQ(gfx::Point(80, 80), v1->location_);
    662   EXPECT_EQ(ui::ET_UNKNOWN, v2->last_gesture_event_type_);
    663 
    664   // Send event |g1| again. Even though the coordinates target |v3| it should go
    665   // to |v1| as that is the view the touch was initially down on.
    666   v1->last_gesture_event_type_ = ui::ET_UNKNOWN;
    667   v3->last_gesture_event_type_ = ui::ET_UNKNOWN;
    668   details = root->OnEventFromSource(&g1);
    669   EXPECT_FALSE(details.dispatcher_destroyed);
    670   EXPECT_FALSE(details.target_destroyed);
    671 
    672   EXPECT_EQ(ui::ET_GESTURE_TAP, v1->last_gesture_event_type_);
    673   EXPECT_EQ(ui::ET_UNKNOWN, v3->last_gesture_event_type_);
    674   EXPECT_EQ("110,110", v1->location_.ToString());
    675 
    676   widget->CloseNow();
    677 }
    678 
    679 ////////////////////////////////////////////////////////////////////////////////
    680 // Painting
    681 ////////////////////////////////////////////////////////////////////////////////
    682 
    683 void TestView::Paint(gfx::Canvas* canvas, const CullSet& cull_set) {
    684   canvas->sk_canvas()->getClipBounds(&last_clip_);
    685 }
    686 
    687 void TestView::SchedulePaintInRect(const gfx::Rect& rect) {
    688   scheduled_paint_rects_.push_back(rect);
    689   View::SchedulePaintInRect(rect);
    690 }
    691 
    692 void CheckRect(const SkRect& check_rect, const SkRect& target_rect) {
    693   EXPECT_EQ(target_rect.fLeft, check_rect.fLeft);
    694   EXPECT_EQ(target_rect.fRight, check_rect.fRight);
    695   EXPECT_EQ(target_rect.fTop, check_rect.fTop);
    696   EXPECT_EQ(target_rect.fBottom, check_rect.fBottom);
    697 }
    698 
    699 TEST_F(ViewTest, RemoveNotification) {
    700   ViewStorage* vs = ViewStorage::GetInstance();
    701   Widget* widget = new Widget;
    702   widget->Init(CreateParams(Widget::InitParams::TYPE_POPUP));
    703   View* root_view = widget->GetRootView();
    704 
    705   View* v1 = new View;
    706   int s1 = vs->CreateStorageID();
    707   vs->StoreView(s1, v1);
    708   root_view->AddChildView(v1);
    709   View* v11 = new View;
    710   int s11 = vs->CreateStorageID();
    711   vs->StoreView(s11, v11);
    712   v1->AddChildView(v11);
    713   View* v111 = new View;
    714   int s111 = vs->CreateStorageID();
    715   vs->StoreView(s111, v111);
    716   v11->AddChildView(v111);
    717   View* v112 = new View;
    718   int s112 = vs->CreateStorageID();
    719   vs->StoreView(s112, v112);
    720   v11->AddChildView(v112);
    721   View* v113 = new View;
    722   int s113 = vs->CreateStorageID();
    723   vs->StoreView(s113, v113);
    724   v11->AddChildView(v113);
    725   View* v1131 = new View;
    726   int s1131 = vs->CreateStorageID();
    727   vs->StoreView(s1131, v1131);
    728   v113->AddChildView(v1131);
    729   View* v12 = new View;
    730   int s12 = vs->CreateStorageID();
    731   vs->StoreView(s12, v12);
    732   v1->AddChildView(v12);
    733 
    734   View* v2 = new View;
    735   int s2 = vs->CreateStorageID();
    736   vs->StoreView(s2, v2);
    737   root_view->AddChildView(v2);
    738   View* v21 = new View;
    739   int s21 = vs->CreateStorageID();
    740   vs->StoreView(s21, v21);
    741   v2->AddChildView(v21);
    742   View* v211 = new View;
    743   int s211 = vs->CreateStorageID();
    744   vs->StoreView(s211, v211);
    745   v21->AddChildView(v211);
    746 
    747   size_t stored_views = vs->view_count();
    748 
    749   // Try removing a leaf view.
    750   v21->RemoveChildView(v211);
    751   EXPECT_EQ(stored_views - 1, vs->view_count());
    752   EXPECT_EQ(NULL, vs->RetrieveView(s211));
    753   delete v211;  // We won't use this one anymore.
    754 
    755   // Now try removing a view with a hierarchy of depth 1.
    756   v11->RemoveChildView(v113);
    757   EXPECT_EQ(stored_views - 3, vs->view_count());
    758   EXPECT_EQ(NULL, vs->RetrieveView(s113));
    759   EXPECT_EQ(NULL, vs->RetrieveView(s1131));
    760   delete v113;  // We won't use this one anymore.
    761 
    762   // Now remove even more.
    763   root_view->RemoveChildView(v1);
    764   EXPECT_EQ(NULL, vs->RetrieveView(s1));
    765   EXPECT_EQ(NULL, vs->RetrieveView(s11));
    766   EXPECT_EQ(NULL, vs->RetrieveView(s12));
    767   EXPECT_EQ(NULL, vs->RetrieveView(s111));
    768   EXPECT_EQ(NULL, vs->RetrieveView(s112));
    769 
    770   // Put v1 back for more tests.
    771   root_view->AddChildView(v1);
    772   vs->StoreView(s1, v1);
    773 
    774   // Synchronously closing the window deletes the view hierarchy, which should
    775   // remove all its views from ViewStorage.
    776   widget->CloseNow();
    777   EXPECT_EQ(stored_views - 10, vs->view_count());
    778   EXPECT_EQ(NULL, vs->RetrieveView(s1));
    779   EXPECT_EQ(NULL, vs->RetrieveView(s12));
    780   EXPECT_EQ(NULL, vs->RetrieveView(s11));
    781   EXPECT_EQ(NULL, vs->RetrieveView(s12));
    782   EXPECT_EQ(NULL, vs->RetrieveView(s21));
    783   EXPECT_EQ(NULL, vs->RetrieveView(s111));
    784   EXPECT_EQ(NULL, vs->RetrieveView(s112));
    785 }
    786 
    787 namespace {
    788 class HitTestView : public View {
    789  public:
    790   explicit HitTestView(bool has_hittest_mask)
    791       : has_hittest_mask_(has_hittest_mask) {
    792   }
    793   virtual ~HitTestView() {}
    794 
    795  protected:
    796   // Overridden from View:
    797   virtual bool HasHitTestMask() const OVERRIDE {
    798     return has_hittest_mask_;
    799   }
    800   virtual void GetHitTestMask(HitTestSource source,
    801                               gfx::Path* mask) const OVERRIDE {
    802     DCHECK(has_hittest_mask_);
    803     DCHECK(mask);
    804 
    805     SkScalar w = SkIntToScalar(width());
    806     SkScalar h = SkIntToScalar(height());
    807 
    808     // Create a triangular mask within the bounds of this View.
    809     mask->moveTo(w / 2, 0);
    810     mask->lineTo(w, h);
    811     mask->lineTo(0, h);
    812     mask->close();
    813   }
    814 
    815  private:
    816   bool has_hittest_mask_;
    817 
    818   DISALLOW_COPY_AND_ASSIGN(HitTestView);
    819 };
    820 
    821 gfx::Point ConvertPointToView(View* view, const gfx::Point& p) {
    822   gfx::Point tmp(p);
    823   View::ConvertPointToTarget(view->GetWidget()->GetRootView(), view, &tmp);
    824   return tmp;
    825 }
    826 
    827 gfx::Rect ConvertRectToView(View* view, const gfx::Rect& r) {
    828   gfx::Rect tmp(r);
    829   tmp.set_origin(ConvertPointToView(view, r.origin()));
    830   return tmp;
    831 }
    832 
    833 void RotateCounterclockwise(gfx::Transform* transform) {
    834   transform->matrix().set3x3(0, -1, 0,
    835                              1,  0, 0,
    836                              0,  0, 1);
    837 }
    838 
    839 void RotateClockwise(gfx::Transform* transform) {
    840   transform->matrix().set3x3( 0, 1, 0,
    841                              -1, 0, 0,
    842                               0, 0, 1);
    843 }
    844 
    845 }  // namespace
    846 
    847 TEST_F(ViewTest, HitTestMasks) {
    848   Widget* widget = new Widget;
    849   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
    850   widget->Init(params);
    851   View* root_view = widget->GetRootView();
    852   root_view->SetBoundsRect(gfx::Rect(0, 0, 500, 500));
    853 
    854   gfx::Rect v1_bounds = gfx::Rect(0, 0, 100, 100);
    855   HitTestView* v1 = new HitTestView(false);
    856   v1->SetBoundsRect(v1_bounds);
    857   root_view->AddChildView(v1);
    858 
    859   gfx::Rect v2_bounds = gfx::Rect(105, 0, 100, 100);
    860   HitTestView* v2 = new HitTestView(true);
    861   v2->SetBoundsRect(v2_bounds);
    862   root_view->AddChildView(v2);
    863 
    864   gfx::Point v1_centerpoint = v1_bounds.CenterPoint();
    865   gfx::Point v2_centerpoint = v2_bounds.CenterPoint();
    866   gfx::Point v1_origin = v1_bounds.origin();
    867   gfx::Point v2_origin = v2_bounds.origin();
    868 
    869   gfx::Rect r1(10, 10, 110, 15);
    870   gfx::Rect r2(106, 1, 98, 98);
    871   gfx::Rect r3(0, 0, 300, 300);
    872   gfx::Rect r4(115, 342, 200, 10);
    873 
    874   // Test HitTestPoint
    875   EXPECT_TRUE(v1->HitTestPoint(ConvertPointToView(v1, v1_centerpoint)));
    876   EXPECT_TRUE(v2->HitTestPoint(ConvertPointToView(v2, v2_centerpoint)));
    877 
    878   EXPECT_TRUE(v1->HitTestPoint(ConvertPointToView(v1, v1_origin)));
    879   EXPECT_FALSE(v2->HitTestPoint(ConvertPointToView(v2, v2_origin)));
    880 
    881   // Test HitTestRect
    882   EXPECT_TRUE(v1->HitTestRect(ConvertRectToView(v1, r1)));
    883   EXPECT_FALSE(v2->HitTestRect(ConvertRectToView(v2, r1)));
    884 
    885   EXPECT_FALSE(v1->HitTestRect(ConvertRectToView(v1, r2)));
    886   EXPECT_TRUE(v2->HitTestRect(ConvertRectToView(v2, r2)));
    887 
    888   EXPECT_TRUE(v1->HitTestRect(ConvertRectToView(v1, r3)));
    889   EXPECT_TRUE(v2->HitTestRect(ConvertRectToView(v2, r3)));
    890 
    891   EXPECT_FALSE(v1->HitTestRect(ConvertRectToView(v1, r4)));
    892   EXPECT_FALSE(v2->HitTestRect(ConvertRectToView(v2, r4)));
    893 
    894   // Test GetEventHandlerForPoint
    895   EXPECT_EQ(v1, root_view->GetEventHandlerForPoint(v1_centerpoint));
    896   EXPECT_EQ(v2, root_view->GetEventHandlerForPoint(v2_centerpoint));
    897 
    898   EXPECT_EQ(v1, root_view->GetEventHandlerForPoint(v1_origin));
    899   EXPECT_EQ(root_view, root_view->GetEventHandlerForPoint(v2_origin));
    900 
    901   // Test GetTooltipHandlerForPoint
    902   EXPECT_EQ(v1, root_view->GetTooltipHandlerForPoint(v1_centerpoint));
    903   EXPECT_EQ(v2, root_view->GetTooltipHandlerForPoint(v2_centerpoint));
    904 
    905   EXPECT_EQ(v1, root_view->GetTooltipHandlerForPoint(v1_origin));
    906   EXPECT_EQ(root_view, root_view->GetTooltipHandlerForPoint(v2_origin));
    907 
    908   EXPECT_FALSE(v1->GetTooltipHandlerForPoint(v2_origin));
    909 
    910   widget->CloseNow();
    911 }
    912 
    913 // Tests the correctness of the rect-based targeting algorithm implemented in
    914 // View::GetEventHandlerForRect(). See http://goo.gl/3Jp2BD for a description
    915 // of rect-based targeting.
    916 TEST_F(ViewTest, GetEventHandlerForRect) {
    917   Widget* widget = new Widget;
    918   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
    919   widget->Init(params);
    920   View* root_view = widget->GetRootView();
    921   root_view->SetBoundsRect(gfx::Rect(0, 0, 500, 500));
    922 
    923   // Have this hierarchy of views (the coordinates here are all in
    924   // the root view's coordinate space):
    925   // v1 (0, 0, 100, 100)
    926   // v2 (150, 0, 250, 100)
    927   // v3 (0, 200, 150, 100)
    928   //     v31 (10, 210, 80, 80)
    929   //     v32 (110, 210, 30, 80)
    930   // v4 (300, 200, 100, 100)
    931   //     v41 (310, 210, 80, 80)
    932   //         v411 (370, 275, 10, 5)
    933   // v5 (450, 197, 30, 36)
    934   //     v51 (450, 200, 30, 30)
    935 
    936   // The coordinates used for SetBounds are in parent coordinates.
    937 
    938   TestView* v1 = new TestView;
    939   v1->SetBounds(0, 0, 100, 100);
    940   root_view->AddChildView(v1);
    941 
    942   TestView* v2 = new TestView;
    943   v2->SetBounds(150, 0, 250, 100);
    944   root_view->AddChildView(v2);
    945 
    946   TestView* v3 = new TestView;
    947   v3->SetBounds(0, 200, 150, 100);
    948   root_view->AddChildView(v3);
    949 
    950   TestView* v4 = new TestView;
    951   v4->SetBounds(300, 200, 100, 100);
    952   root_view->AddChildView(v4);
    953 
    954   TestView* v31 = new TestView;
    955   v31->SetBounds(10, 10, 80, 80);
    956   v3->AddChildView(v31);
    957 
    958   TestView* v32 = new TestView;
    959   v32->SetBounds(110, 10, 30, 80);
    960   v3->AddChildView(v32);
    961 
    962   TestView* v41 = new TestView;
    963   v41->SetBounds(10, 10, 80, 80);
    964   v4->AddChildView(v41);
    965 
    966   TestView* v411 = new TestView;
    967   v411->SetBounds(60, 65, 10, 5);
    968   v41->AddChildView(v411);
    969 
    970   TestView* v5 = new TestView;
    971   v5->SetBounds(450, 197, 30, 36);
    972   root_view->AddChildView(v5);
    973 
    974   TestView* v51 = new TestView;
    975   v51->SetBounds(0, 3, 30, 30);
    976   v5->AddChildView(v51);
    977 
    978   // |touch_rect| does not intersect any descendant view of |root_view|.
    979   gfx::Rect touch_rect(105, 105, 30, 45);
    980   View* result_view = root_view->GetEventHandlerForRect(touch_rect);
    981   EXPECT_EQ(root_view, result_view);
    982   result_view = NULL;
    983 
    984   // Covers |v1| by at least 60%.
    985   touch_rect.SetRect(15, 15, 100, 100);
    986   result_view = root_view->GetEventHandlerForRect(touch_rect);
    987   EXPECT_EQ(v1, result_view);
    988   result_view = NULL;
    989 
    990   // Intersects |v1| but does not cover it by at least 60%. The center
    991   // of |touch_rect| is within |v1|.
    992   touch_rect.SetRect(50, 50, 5, 10);
    993   result_view = root_view->GetEventHandlerForRect(touch_rect);
    994   EXPECT_EQ(v1, result_view);
    995   result_view = NULL;
    996 
    997   // Intersects |v1| but does not cover it by at least 60%. The center
    998   // of |touch_rect| is not within |v1|.
    999   touch_rect.SetRect(95, 96, 21, 22);
   1000   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1001   EXPECT_EQ(root_view, result_view);
   1002   result_view = NULL;
   1003 
   1004   // Intersects |v1| and |v2|, but only covers |v2| by at least 60%.
   1005   touch_rect.SetRect(95, 10, 300, 120);
   1006   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1007   EXPECT_EQ(v2, result_view);
   1008   result_view = NULL;
   1009 
   1010   // Covers both |v1| and |v2| by at least 60%, but the center point
   1011   // of |touch_rect| is closer to the center point of |v2|.
   1012   touch_rect.SetRect(20, 20, 400, 100);
   1013   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1014   EXPECT_EQ(v2, result_view);
   1015   result_view = NULL;
   1016 
   1017   // Covers both |v1| and |v2| by at least 60%, but the center point
   1018   // of |touch_rect| is closer to the center point of |v1|.
   1019   touch_rect.SetRect(-700, -15, 1050, 110);
   1020   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1021   EXPECT_EQ(v1, result_view);
   1022   result_view = NULL;
   1023 
   1024   // A mouse click within |v1| will target |v1|.
   1025   touch_rect.SetRect(15, 15, 1, 1);
   1026   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1027   EXPECT_EQ(v1, result_view);
   1028   result_view = NULL;
   1029 
   1030   // Intersects |v3| and |v31| by at least 60% and the center point
   1031   // of |touch_rect| is closer to the center point of |v31|.
   1032   touch_rect.SetRect(0, 200, 110, 100);
   1033   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1034   EXPECT_EQ(v31, result_view);
   1035   result_view = NULL;
   1036 
   1037   // Intersects |v3| and |v31|, but neither by at least 60%. The
   1038   // center point of |touch_rect| lies within |v31|.
   1039   touch_rect.SetRect(80, 280, 15, 15);
   1040   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1041   EXPECT_EQ(v31, result_view);
   1042   result_view = NULL;
   1043 
   1044   // Covers |v3|, |v31|, and |v32| all by at least 60%, and the
   1045   // center point of |touch_rect| is closest to the center point
   1046   // of |v32|.
   1047   touch_rect.SetRect(0, 200, 200, 100);
   1048   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1049   EXPECT_EQ(v32, result_view);
   1050   result_view = NULL;
   1051 
   1052   // Intersects all of |v3|, |v31|, and |v32|, but only covers
   1053   // |v31| and |v32| by at least 60%. The center point of
   1054   // |touch_rect| is closest to the center point of |v32|.
   1055   touch_rect.SetRect(30, 225, 180, 115);
   1056   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1057   EXPECT_EQ(v32, result_view);
   1058   result_view = NULL;
   1059 
   1060   // A mouse click at the corner of |v3| will target |v3|.
   1061   touch_rect.SetRect(0, 200, 1, 1);
   1062   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1063   EXPECT_EQ(v3, result_view);
   1064   result_view = NULL;
   1065 
   1066   // A mouse click within |v32| will target |v32|.
   1067   touch_rect.SetRect(112, 211, 1, 1);
   1068   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1069   EXPECT_EQ(v32, result_view);
   1070   result_view = NULL;
   1071 
   1072   // Covers all of |v4|, |v41|, and |v411| by at least 60%.
   1073   // The center point of |touch_rect| is equally close to
   1074   // the center points of |v4| and |v41|.
   1075   touch_rect.SetRect(310, 210, 80, 80);
   1076   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1077   EXPECT_EQ(v41, result_view);
   1078   result_view = NULL;
   1079 
   1080   // Intersects all of |v4|, |v41|, and |v411| but only covers
   1081   // |v411| by at least 60%.
   1082   touch_rect.SetRect(370, 275, 7, 5);
   1083   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1084   EXPECT_EQ(v411, result_view);
   1085   result_view = NULL;
   1086 
   1087   // Intersects |v4| and |v41| but covers neither by at least 60%.
   1088   // The center point of |touch_rect| is equally close to the center
   1089   // points of |v4| and |v41|.
   1090   touch_rect.SetRect(345, 245, 7, 7);
   1091   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1092   EXPECT_EQ(v41, result_view);
   1093   result_view = NULL;
   1094 
   1095   // Intersects all of |v4|, |v41|, and |v411| and covers none of
   1096   // them by at least 60%. The center point of |touch_rect| lies
   1097   // within |v411|.
   1098   touch_rect.SetRect(368, 272, 4, 6);
   1099   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1100   EXPECT_EQ(v411, result_view);
   1101   result_view = NULL;
   1102 
   1103   // Intersects all of |v4|, |v41|, and |v411| and covers none of
   1104   // them by at least 60%. The center point of |touch_rect| lies
   1105   // within |v41|.
   1106   touch_rect.SetRect(365, 270, 7, 7);
   1107   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1108   EXPECT_EQ(v41, result_view);
   1109   result_view = NULL;
   1110 
   1111   // Intersects all of |v4|, |v41|, and |v411| and covers none of
   1112   // them by at least 60%. The center point of |touch_rect| lies
   1113   // within |v4|.
   1114   touch_rect.SetRect(205, 275, 200, 2);
   1115   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1116   EXPECT_EQ(v4, result_view);
   1117   result_view = NULL;
   1118 
   1119   // Intersects all of |v4|, |v41|, and |v411| but only covers
   1120   // |v41| by at least 60%.
   1121   touch_rect.SetRect(310, 210, 61, 66);
   1122   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1123   EXPECT_EQ(v41, result_view);
   1124   result_view = NULL;
   1125 
   1126   // A mouse click within |v411| will target |v411|.
   1127   touch_rect.SetRect(372, 275, 1, 1);
   1128   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1129   EXPECT_EQ(v411, result_view);
   1130   result_view = NULL;
   1131 
   1132   // A mouse click within |v41| will target |v41|.
   1133   touch_rect.SetRect(350, 215, 1, 1);
   1134   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1135   EXPECT_EQ(v41, result_view);
   1136   result_view = NULL;
   1137 
   1138   // Covers |v3|, |v4|, and all of their descendants by at
   1139   // least 60%. The center point of |touch_rect| is closest
   1140   // to the center point of |v32|.
   1141   touch_rect.SetRect(0, 200, 400, 100);
   1142   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1143   EXPECT_EQ(v32, result_view);
   1144   result_view = NULL;
   1145 
   1146   // Intersects all of |v2|, |v3|, |v32|, |v4|, |v41|, and |v411|.
   1147   // Covers |v2|, |v32|, |v4|, |v41|, and |v411| by at least 60%.
   1148   // The center point of |touch_rect| is closest to the center
   1149   // point of |root_view|.
   1150   touch_rect.SetRect(110, 15, 375, 450);
   1151   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1152   EXPECT_EQ(root_view, result_view);
   1153   result_view = NULL;
   1154 
   1155   // Covers all views (except |v5| and |v51|) by at least 60%. The
   1156   // center point of |touch_rect| is equally close to the center
   1157   // points of |v2| and |v32|. One is not a descendant of the other,
   1158   // so in this case the view selected is arbitrary (i.e.,
   1159   // it depends only on the ordering of nodes in the views
   1160   // hierarchy).
   1161   touch_rect.SetRect(0, 0, 400, 300);
   1162   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1163   EXPECT_EQ(v32, result_view);
   1164   result_view = NULL;
   1165 
   1166   // Covers |v5| and |v51| by at least 60%, and the center point of
   1167   // the touch is located within both views. Since both views share
   1168   // the same center point, the child view should be selected.
   1169   touch_rect.SetRect(440, 190, 40, 40);
   1170   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1171   EXPECT_EQ(v51, result_view);
   1172   result_view = NULL;
   1173 
   1174   // Covers |v5| and |v51| by at least 60%, but the center point of
   1175   // the touch is not located within either view. Since both views
   1176   // share the same center point, the child view should be selected.
   1177   touch_rect.SetRect(455, 187, 60, 60);
   1178   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1179   EXPECT_EQ(v51, result_view);
   1180   result_view = NULL;
   1181 
   1182   // Covers neither |v5| nor |v51| by at least 60%, but the center
   1183   // of the touch is located within |v51|.
   1184   touch_rect.SetRect(450, 197, 10, 10);
   1185   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1186   EXPECT_EQ(v51, result_view);
   1187   result_view = NULL;
   1188 
   1189   // Covers neither |v5| nor |v51| by at least 60% but intersects both.
   1190   // The center point is located outside of both views.
   1191   touch_rect.SetRect(433, 180, 24, 24);
   1192   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1193   EXPECT_EQ(root_view, result_view);
   1194   result_view = NULL;
   1195 
   1196   // Only intersects |v5| but does not cover it by at least 60%. The
   1197   // center point of the touch region is located within |v5|.
   1198   touch_rect.SetRect(449, 196, 3, 3);
   1199   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1200   EXPECT_EQ(v5, result_view);
   1201   result_view = NULL;
   1202 
   1203   // A mouse click within |v5| (but not |v51|) should target |v5|.
   1204   touch_rect.SetRect(462, 199, 1, 1);
   1205   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1206   EXPECT_EQ(v5, result_view);
   1207   result_view = NULL;
   1208 
   1209   // A mouse click |v5| and |v51| should target the child view.
   1210   touch_rect.SetRect(452, 226, 1, 1);
   1211   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1212   EXPECT_EQ(v51, result_view);
   1213   result_view = NULL;
   1214 
   1215   // A mouse click on the center of |v5| and |v51| should target
   1216   // the child view.
   1217   touch_rect.SetRect(465, 215, 1, 1);
   1218   result_view = root_view->GetEventHandlerForRect(touch_rect);
   1219   EXPECT_EQ(v51, result_view);
   1220   result_view = NULL;
   1221 
   1222   widget->CloseNow();
   1223 }
   1224 
   1225 // Tests that GetEventHandlerForRect() and GetTooltipHandlerForPoint() behave
   1226 // as expected when different views in the view hierarchy return false
   1227 // when CanProcessEventsWithinSubtree() is called.
   1228 TEST_F(ViewTest, CanProcessEventsWithinSubtree) {
   1229   Widget* widget = new Widget;
   1230   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   1231   widget->Init(params);
   1232   View* root_view = widget->GetRootView();
   1233   root_view->SetBoundsRect(gfx::Rect(0, 0, 500, 500));
   1234 
   1235   // Have this hierarchy of views (the coords here are in the coordinate
   1236   // space of the root view):
   1237   // v (0, 0, 100, 100)
   1238   //  - v_child (0, 0, 20, 30)
   1239   //    - v_grandchild (5, 5, 5, 15)
   1240 
   1241   TestView* v = new TestView;
   1242   v->SetBounds(0, 0, 100, 100);
   1243   root_view->AddChildView(v);
   1244   v->set_notify_enter_exit_on_child(true);
   1245 
   1246   TestView* v_child = new TestView;
   1247   v_child->SetBounds(0, 0, 20, 30);
   1248   v->AddChildView(v_child);
   1249 
   1250   TestView* v_grandchild = new TestView;
   1251   v_grandchild->SetBounds(5, 5, 5, 15);
   1252   v_child->AddChildView(v_grandchild);
   1253 
   1254   v->Reset();
   1255   v_child->Reset();
   1256   v_grandchild->Reset();
   1257 
   1258   // Define rects and points within the views in the hierarchy.
   1259   gfx::Rect rect_in_v_grandchild(7, 7, 3, 3);
   1260   gfx::Point point_in_v_grandchild(rect_in_v_grandchild.origin());
   1261   gfx::Rect rect_in_v_child(12, 3, 5, 5);
   1262   gfx::Point point_in_v_child(rect_in_v_child.origin());
   1263   gfx::Rect rect_in_v(50, 50, 25, 30);
   1264   gfx::Point point_in_v(rect_in_v.origin());
   1265 
   1266   // When all three views return true when CanProcessEventsWithinSubtree()
   1267   // is called, targeting should behave as expected.
   1268 
   1269   View* result_view = root_view->GetEventHandlerForRect(rect_in_v_grandchild);
   1270   EXPECT_EQ(v_grandchild, result_view);
   1271   result_view = NULL;
   1272   result_view = root_view->GetTooltipHandlerForPoint(point_in_v_grandchild);
   1273   EXPECT_EQ(v_grandchild, result_view);
   1274   result_view = NULL;
   1275 
   1276   result_view = root_view->GetEventHandlerForRect(rect_in_v_child);
   1277   EXPECT_EQ(v_child, result_view);
   1278   result_view = NULL;
   1279   result_view = root_view->GetTooltipHandlerForPoint(point_in_v_child);
   1280   EXPECT_EQ(v_child, result_view);
   1281   result_view = NULL;
   1282 
   1283   result_view = root_view->GetEventHandlerForRect(rect_in_v);
   1284   EXPECT_EQ(v, result_view);
   1285   result_view = NULL;
   1286   result_view = root_view->GetTooltipHandlerForPoint(point_in_v);
   1287   EXPECT_EQ(v, result_view);
   1288   result_view = NULL;
   1289 
   1290   // When |v_grandchild| returns false when CanProcessEventsWithinSubtree()
   1291   // is called, then |v_grandchild| cannot be returned as a target.
   1292 
   1293   v_grandchild->set_can_process_events_within_subtree(false);
   1294 
   1295   result_view = root_view->GetEventHandlerForRect(rect_in_v_grandchild);
   1296   EXPECT_EQ(v_child, result_view);
   1297   result_view = NULL;
   1298   result_view = root_view->GetTooltipHandlerForPoint(point_in_v_grandchild);
   1299   EXPECT_EQ(v_child, result_view);
   1300   result_view = NULL;
   1301 
   1302   result_view = root_view->GetEventHandlerForRect(rect_in_v_child);
   1303   EXPECT_EQ(v_child, result_view);
   1304   result_view = NULL;
   1305   result_view = root_view->GetTooltipHandlerForPoint(point_in_v_child);
   1306   EXPECT_EQ(v_child, result_view);
   1307   result_view = NULL;
   1308 
   1309   result_view = root_view->GetEventHandlerForRect(rect_in_v);
   1310   EXPECT_EQ(v, result_view);
   1311   result_view = NULL;
   1312   result_view = root_view->GetTooltipHandlerForPoint(point_in_v);
   1313   EXPECT_EQ(v, result_view);
   1314 
   1315   // When |v_grandchild| returns false when CanProcessEventsWithinSubtree()
   1316   // is called, then NULL should be returned as a target if we call
   1317   // GetTooltipHandlerForPoint() with |v_grandchild| as the root of the
   1318   // views tree. Note that the location must be in the coordinate space
   1319   // of the root view (|v_grandchild| in this case), so use (1, 1).
   1320 
   1321   result_view = v_grandchild;
   1322   result_view = v_grandchild->GetTooltipHandlerForPoint(gfx::Point(1, 1));
   1323   EXPECT_EQ(NULL, result_view);
   1324   result_view = NULL;
   1325 
   1326   // When |v_child| returns false when CanProcessEventsWithinSubtree()
   1327   // is called, then neither |v_child| nor |v_grandchild| can be returned
   1328   // as a target (|v| should be returned as the target for each case).
   1329 
   1330   v_grandchild->Reset();
   1331   v_child->set_can_process_events_within_subtree(false);
   1332 
   1333   result_view = root_view->GetEventHandlerForRect(rect_in_v_grandchild);
   1334   EXPECT_EQ(v, result_view);
   1335   result_view = NULL;
   1336   result_view = root_view->GetTooltipHandlerForPoint(point_in_v_grandchild);
   1337   EXPECT_EQ(v, result_view);
   1338   result_view = NULL;
   1339 
   1340   result_view = root_view->GetEventHandlerForRect(rect_in_v_child);
   1341   EXPECT_EQ(v, result_view);
   1342   result_view = NULL;
   1343   result_view = root_view->GetTooltipHandlerForPoint(point_in_v_child);
   1344   EXPECT_EQ(v, result_view);
   1345   result_view = NULL;
   1346 
   1347   result_view = root_view->GetEventHandlerForRect(rect_in_v);
   1348   EXPECT_EQ(v, result_view);
   1349   result_view = NULL;
   1350   result_view = root_view->GetTooltipHandlerForPoint(point_in_v);
   1351   EXPECT_EQ(v, result_view);
   1352   result_view = NULL;
   1353 
   1354   // When |v| returns false when CanProcessEventsWithinSubtree()
   1355   // is called, then none of |v|, |v_child|, and |v_grandchild| can be returned
   1356   // as a target (|root_view| should be returned as the target for each case).
   1357 
   1358   v_child->Reset();
   1359   v->set_can_process_events_within_subtree(false);
   1360 
   1361   result_view = root_view->GetEventHandlerForRect(rect_in_v_grandchild);
   1362   EXPECT_EQ(root_view, result_view);
   1363   result_view = NULL;
   1364   result_view = root_view->GetTooltipHandlerForPoint(point_in_v_grandchild);
   1365   EXPECT_EQ(root_view, result_view);
   1366   result_view = NULL;
   1367 
   1368   result_view = root_view->GetEventHandlerForRect(rect_in_v_child);
   1369   EXPECT_EQ(root_view, result_view);
   1370   result_view = NULL;
   1371   result_view = root_view->GetTooltipHandlerForPoint(point_in_v_child);
   1372   EXPECT_EQ(root_view, result_view);
   1373   result_view = NULL;
   1374 
   1375   result_view = root_view->GetEventHandlerForRect(rect_in_v);
   1376   EXPECT_EQ(root_view, result_view);
   1377   result_view = NULL;
   1378   result_view = root_view->GetTooltipHandlerForPoint(point_in_v);
   1379   EXPECT_EQ(root_view, result_view);
   1380 }
   1381 
   1382 TEST_F(ViewTest, NotifyEnterExitOnChild) {
   1383   Widget* widget = new Widget;
   1384   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   1385   widget->Init(params);
   1386   View* root_view = widget->GetRootView();
   1387   root_view->SetBoundsRect(gfx::Rect(0, 0, 500, 500));
   1388 
   1389   // Have this hierarchy of views (the coords here are in root coord):
   1390   // v1 (0, 0, 100, 100)
   1391   //  - v11 (0, 0, 20, 30)
   1392   //    - v111 (5, 5, 5, 15)
   1393   //  - v12 (50, 10, 30, 90)
   1394   //    - v121 (60, 20, 10, 10)
   1395   // v2 (105, 0, 100, 100)
   1396   //  - v21 (120, 10, 50, 20)
   1397 
   1398   TestView* v1 = new TestView;
   1399   v1->SetBounds(0, 0, 100, 100);
   1400   root_view->AddChildView(v1);
   1401   v1->set_notify_enter_exit_on_child(true);
   1402 
   1403   TestView* v11 = new TestView;
   1404   v11->SetBounds(0, 0, 20, 30);
   1405   v1->AddChildView(v11);
   1406 
   1407   TestView* v111 = new TestView;
   1408   v111->SetBounds(5, 5, 5, 15);
   1409   v11->AddChildView(v111);
   1410 
   1411   TestView* v12 = new TestView;
   1412   v12->SetBounds(50, 10, 30, 90);
   1413   v1->AddChildView(v12);
   1414 
   1415   TestView* v121 = new TestView;
   1416   v121->SetBounds(10, 10, 10, 10);
   1417   v12->AddChildView(v121);
   1418 
   1419   TestView* v2 = new TestView;
   1420   v2->SetBounds(105, 0, 100, 100);
   1421   root_view->AddChildView(v2);
   1422 
   1423   TestView* v21 = new TestView;
   1424   v21->SetBounds(15, 10, 50, 20);
   1425   v2->AddChildView(v21);
   1426 
   1427   v1->Reset();
   1428   v11->Reset();
   1429   v111->Reset();
   1430   v12->Reset();
   1431   v121->Reset();
   1432   v2->Reset();
   1433   v21->Reset();
   1434 
   1435   // Move the mouse in v111.
   1436   gfx::Point p1(6, 6);
   1437   ui::MouseEvent move1(ui::ET_MOUSE_MOVED, p1, p1, 0, 0);
   1438   root_view->OnMouseMoved(move1);
   1439   EXPECT_TRUE(v111->received_mouse_enter_);
   1440   EXPECT_FALSE(v11->last_mouse_event_type_);
   1441   EXPECT_TRUE(v1->received_mouse_enter_);
   1442 
   1443   v111->Reset();
   1444   v1->Reset();
   1445 
   1446   // Now, move into v121.
   1447   gfx::Point p2(65, 21);
   1448   ui::MouseEvent move2(ui::ET_MOUSE_MOVED, p2, p2, 0, 0);
   1449   root_view->OnMouseMoved(move2);
   1450   EXPECT_TRUE(v111->received_mouse_exit_);
   1451   EXPECT_TRUE(v121->received_mouse_enter_);
   1452   EXPECT_FALSE(v1->last_mouse_event_type_);
   1453 
   1454   v111->Reset();
   1455   v121->Reset();
   1456 
   1457   // Now, move into v11.
   1458   gfx::Point p3(1, 1);
   1459   ui::MouseEvent move3(ui::ET_MOUSE_MOVED, p3, p3, 0, 0);
   1460   root_view->OnMouseMoved(move3);
   1461   EXPECT_TRUE(v121->received_mouse_exit_);
   1462   EXPECT_TRUE(v11->received_mouse_enter_);
   1463   EXPECT_FALSE(v1->last_mouse_event_type_);
   1464 
   1465   v121->Reset();
   1466   v11->Reset();
   1467 
   1468   // Move to v21.
   1469   gfx::Point p4(121, 15);
   1470   ui::MouseEvent move4(ui::ET_MOUSE_MOVED, p4, p4, 0, 0);
   1471   root_view->OnMouseMoved(move4);
   1472   EXPECT_TRUE(v21->received_mouse_enter_);
   1473   EXPECT_FALSE(v2->last_mouse_event_type_);
   1474   EXPECT_TRUE(v11->received_mouse_exit_);
   1475   EXPECT_TRUE(v1->received_mouse_exit_);
   1476 
   1477   v21->Reset();
   1478   v11->Reset();
   1479   v1->Reset();
   1480 
   1481   // Move to v1.
   1482   gfx::Point p5(21, 0);
   1483   ui::MouseEvent move5(ui::ET_MOUSE_MOVED, p5, p5, 0, 0);
   1484   root_view->OnMouseMoved(move5);
   1485   EXPECT_TRUE(v21->received_mouse_exit_);
   1486   EXPECT_TRUE(v1->received_mouse_enter_);
   1487 
   1488   v21->Reset();
   1489   v1->Reset();
   1490 
   1491   // Now, move into v11.
   1492   gfx::Point p6(15, 15);
   1493   ui::MouseEvent mouse6(ui::ET_MOUSE_MOVED, p6, p6, 0, 0);
   1494   root_view->OnMouseMoved(mouse6);
   1495   EXPECT_TRUE(v11->received_mouse_enter_);
   1496   EXPECT_FALSE(v1->last_mouse_event_type_);
   1497 
   1498   v11->Reset();
   1499   v1->Reset();
   1500 
   1501   // Move back into v1. Although |v1| had already received an ENTER for mouse6,
   1502   // and the mouse remains inside |v1| the whole time, it receives another ENTER
   1503   // when the mouse leaves v11.
   1504   gfx::Point p7(21, 0);
   1505   ui::MouseEvent mouse7(ui::ET_MOUSE_MOVED, p7, p7, 0, 0);
   1506   root_view->OnMouseMoved(mouse7);
   1507   EXPECT_TRUE(v11->received_mouse_exit_);
   1508   EXPECT_FALSE(v1->received_mouse_enter_);
   1509 
   1510   widget->CloseNow();
   1511 }
   1512 
   1513 TEST_F(ViewTest, Textfield) {
   1514   const base::string16 kText = ASCIIToUTF16(
   1515       "Reality is that which, when you stop believing it, doesn't go away.");
   1516   const base::string16 kExtraText = ASCIIToUTF16("Pretty deep, Philip!");
   1517   const base::string16 kEmptyString;
   1518 
   1519   Widget* widget = new Widget;
   1520   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   1521   params.bounds = gfx::Rect(0, 0, 100, 100);
   1522   widget->Init(params);
   1523   View* root_view = widget->GetRootView();
   1524 
   1525   Textfield* textfield = new Textfield();
   1526   root_view->AddChildView(textfield);
   1527 
   1528   // Test setting, appending text.
   1529   textfield->SetText(kText);
   1530   EXPECT_EQ(kText, textfield->text());
   1531   textfield->AppendText(kExtraText);
   1532   EXPECT_EQ(kText + kExtraText, textfield->text());
   1533   textfield->SetText(base::string16());
   1534   EXPECT_EQ(kEmptyString, textfield->text());
   1535 
   1536   // Test selection related methods.
   1537   textfield->SetText(kText);
   1538   EXPECT_EQ(kEmptyString, textfield->GetSelectedText());
   1539   textfield->SelectAll(false);
   1540   EXPECT_EQ(kText, textfield->text());
   1541   textfield->ClearSelection();
   1542   EXPECT_EQ(kEmptyString, textfield->GetSelectedText());
   1543 
   1544   widget->CloseNow();
   1545 }
   1546 
   1547 // Tests that the Textfield view respond appropiately to cut/copy/paste.
   1548 TEST_F(ViewTest, TextfieldCutCopyPaste) {
   1549   const base::string16 kNormalText = ASCIIToUTF16("Normal");
   1550   const base::string16 kReadOnlyText = ASCIIToUTF16("Read only");
   1551   const base::string16 kPasswordText =
   1552       ASCIIToUTF16("Password! ** Secret stuff **");
   1553 
   1554   ui::Clipboard* clipboard = ui::Clipboard::GetForCurrentThread();
   1555 
   1556   Widget* widget = new Widget;
   1557   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   1558   params.bounds = gfx::Rect(0, 0, 100, 100);
   1559   widget->Init(params);
   1560   View* root_view = widget->GetRootView();
   1561 
   1562   Textfield* normal = new Textfield();
   1563   Textfield* read_only = new Textfield();
   1564   read_only->SetReadOnly(true);
   1565   Textfield* password = new Textfield();
   1566   password->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
   1567 
   1568   root_view->AddChildView(normal);
   1569   root_view->AddChildView(read_only);
   1570   root_view->AddChildView(password);
   1571 
   1572   normal->SetText(kNormalText);
   1573   read_only->SetText(kReadOnlyText);
   1574   password->SetText(kPasswordText);
   1575 
   1576   //
   1577   // Test cut.
   1578   //
   1579 
   1580   normal->SelectAll(false);
   1581   normal->ExecuteCommand(IDS_APP_CUT);
   1582   base::string16 result;
   1583   clipboard->ReadText(ui::CLIPBOARD_TYPE_COPY_PASTE, &result);
   1584   EXPECT_EQ(kNormalText, result);
   1585   normal->SetText(kNormalText);  // Let's revert to the original content.
   1586 
   1587   read_only->SelectAll(false);
   1588   read_only->ExecuteCommand(IDS_APP_CUT);
   1589   result.clear();
   1590   clipboard->ReadText(ui::CLIPBOARD_TYPE_COPY_PASTE, &result);
   1591   // Cut should have failed, so the clipboard content should not have changed.
   1592   EXPECT_EQ(kNormalText, result);
   1593 
   1594   password->SelectAll(false);
   1595   password->ExecuteCommand(IDS_APP_CUT);
   1596   result.clear();
   1597   clipboard->ReadText(ui::CLIPBOARD_TYPE_COPY_PASTE, &result);
   1598   // Cut should have failed, so the clipboard content should not have changed.
   1599   EXPECT_EQ(kNormalText, result);
   1600 
   1601   //
   1602   // Test copy.
   1603   //
   1604 
   1605   // Start with |read_only| to observe a change in clipboard text.
   1606   read_only->SelectAll(false);
   1607   read_only->ExecuteCommand(IDS_APP_COPY);
   1608   result.clear();
   1609   clipboard->ReadText(ui::CLIPBOARD_TYPE_COPY_PASTE, &result);
   1610   EXPECT_EQ(kReadOnlyText, result);
   1611 
   1612   normal->SelectAll(false);
   1613   normal->ExecuteCommand(IDS_APP_COPY);
   1614   result.clear();
   1615   clipboard->ReadText(ui::CLIPBOARD_TYPE_COPY_PASTE, &result);
   1616   EXPECT_EQ(kNormalText, result);
   1617 
   1618   password->SelectAll(false);
   1619   password->ExecuteCommand(IDS_APP_COPY);
   1620   result.clear();
   1621   clipboard->ReadText(ui::CLIPBOARD_TYPE_COPY_PASTE, &result);
   1622   // Text cannot be copied from an obscured field; the clipboard won't change.
   1623   EXPECT_EQ(kNormalText, result);
   1624 
   1625   //
   1626   // Test paste.
   1627   //
   1628 
   1629   // Attempting to paste kNormalText in a read-only text-field should fail.
   1630   read_only->SelectAll(false);
   1631   read_only->ExecuteCommand(IDS_APP_PASTE);
   1632   EXPECT_EQ(kReadOnlyText, read_only->text());
   1633 
   1634   password->SelectAll(false);
   1635   password->ExecuteCommand(IDS_APP_PASTE);
   1636   EXPECT_EQ(kNormalText, password->text());
   1637 
   1638   // Copy from |read_only| to observe a change in the normal textfield text.
   1639   read_only->SelectAll(false);
   1640   read_only->ExecuteCommand(IDS_APP_COPY);
   1641   normal->SelectAll(false);
   1642   normal->ExecuteCommand(IDS_APP_PASTE);
   1643   EXPECT_EQ(kReadOnlyText, normal->text());
   1644   widget->CloseNow();
   1645 }
   1646 
   1647 ////////////////////////////////////////////////////////////////////////////////
   1648 // Accelerators
   1649 ////////////////////////////////////////////////////////////////////////////////
   1650 bool TestView::AcceleratorPressed(const ui::Accelerator& accelerator) {
   1651   accelerator_count_map_[accelerator]++;
   1652   return true;
   1653 }
   1654 
   1655 // TODO: these tests were initially commented out when getting aura to
   1656 // run. Figure out if still valuable and either nuke or fix.
   1657 #if 0
   1658 TEST_F(ViewTest, ActivateAccelerator) {
   1659   // Register a keyboard accelerator before the view is added to a window.
   1660   ui::Accelerator return_accelerator(ui::VKEY_RETURN, ui::EF_NONE);
   1661   TestView* view = new TestView();
   1662   view->Reset();
   1663   view->AddAccelerator(return_accelerator);
   1664   EXPECT_EQ(view->accelerator_count_map_[return_accelerator], 0);
   1665 
   1666   // Create a window and add the view as its child.
   1667   scoped_ptr<Widget> widget(new Widget);
   1668   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   1669   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   1670   params.bounds = gfx::Rect(0, 0, 100, 100);
   1671   widget->Init(params);
   1672   View* root = widget->GetRootView();
   1673   root->AddChildView(view);
   1674   widget->Show();
   1675 
   1676   // Get the focus manager.
   1677   FocusManager* focus_manager = widget->GetFocusManager();
   1678   ASSERT_TRUE(focus_manager);
   1679 
   1680   // Hit the return key and see if it takes effect.
   1681   EXPECT_TRUE(focus_manager->ProcessAccelerator(return_accelerator));
   1682   EXPECT_EQ(view->accelerator_count_map_[return_accelerator], 1);
   1683 
   1684   // Hit the escape key. Nothing should happen.
   1685   ui::Accelerator escape_accelerator(ui::VKEY_ESCAPE, ui::EF_NONE);
   1686   EXPECT_FALSE(focus_manager->ProcessAccelerator(escape_accelerator));
   1687   EXPECT_EQ(view->accelerator_count_map_[return_accelerator], 1);
   1688   EXPECT_EQ(view->accelerator_count_map_[escape_accelerator], 0);
   1689 
   1690   // Now register the escape key and hit it again.
   1691   view->AddAccelerator(escape_accelerator);
   1692   EXPECT_TRUE(focus_manager->ProcessAccelerator(escape_accelerator));
   1693   EXPECT_EQ(view->accelerator_count_map_[return_accelerator], 1);
   1694   EXPECT_EQ(view->accelerator_count_map_[escape_accelerator], 1);
   1695 
   1696   // Remove the return key accelerator.
   1697   view->RemoveAccelerator(return_accelerator);
   1698   EXPECT_FALSE(focus_manager->ProcessAccelerator(return_accelerator));
   1699   EXPECT_EQ(view->accelerator_count_map_[return_accelerator], 1);
   1700   EXPECT_EQ(view->accelerator_count_map_[escape_accelerator], 1);
   1701 
   1702   // Add it again. Hit the return key and the escape key.
   1703   view->AddAccelerator(return_accelerator);
   1704   EXPECT_TRUE(focus_manager->ProcessAccelerator(return_accelerator));
   1705   EXPECT_EQ(view->accelerator_count_map_[return_accelerator], 2);
   1706   EXPECT_EQ(view->accelerator_count_map_[escape_accelerator], 1);
   1707   EXPECT_TRUE(focus_manager->ProcessAccelerator(escape_accelerator));
   1708   EXPECT_EQ(view->accelerator_count_map_[return_accelerator], 2);
   1709   EXPECT_EQ(view->accelerator_count_map_[escape_accelerator], 2);
   1710 
   1711   // Remove all the accelerators.
   1712   view->ResetAccelerators();
   1713   EXPECT_FALSE(focus_manager->ProcessAccelerator(return_accelerator));
   1714   EXPECT_EQ(view->accelerator_count_map_[return_accelerator], 2);
   1715   EXPECT_EQ(view->accelerator_count_map_[escape_accelerator], 2);
   1716   EXPECT_FALSE(focus_manager->ProcessAccelerator(escape_accelerator));
   1717   EXPECT_EQ(view->accelerator_count_map_[return_accelerator], 2);
   1718   EXPECT_EQ(view->accelerator_count_map_[escape_accelerator], 2);
   1719 
   1720   widget->CloseNow();
   1721 }
   1722 
   1723 TEST_F(ViewTest, HiddenViewWithAccelerator) {
   1724   ui::Accelerator return_accelerator(ui::VKEY_RETURN, ui::EF_NONE);
   1725   TestView* view = new TestView();
   1726   view->Reset();
   1727   view->AddAccelerator(return_accelerator);
   1728   EXPECT_EQ(view->accelerator_count_map_[return_accelerator], 0);
   1729 
   1730   scoped_ptr<Widget> widget(new Widget);
   1731   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   1732   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   1733   params.bounds = gfx::Rect(0, 0, 100, 100);
   1734   widget->Init(params);
   1735   View* root = widget->GetRootView();
   1736   root->AddChildView(view);
   1737   widget->Show();
   1738 
   1739   FocusManager* focus_manager = widget->GetFocusManager();
   1740   ASSERT_TRUE(focus_manager);
   1741 
   1742   view->SetVisible(false);
   1743   EXPECT_FALSE(focus_manager->ProcessAccelerator(return_accelerator));
   1744 
   1745   view->SetVisible(true);
   1746   EXPECT_TRUE(focus_manager->ProcessAccelerator(return_accelerator));
   1747 
   1748   widget->CloseNow();
   1749 }
   1750 
   1751 TEST_F(ViewTest, ViewInHiddenWidgetWithAccelerator) {
   1752   ui::Accelerator return_accelerator(ui::VKEY_RETURN, ui::EF_NONE);
   1753   TestView* view = new TestView();
   1754   view->Reset();
   1755   view->AddAccelerator(return_accelerator);
   1756   EXPECT_EQ(view->accelerator_count_map_[return_accelerator], 0);
   1757 
   1758   scoped_ptr<Widget> widget(new Widget);
   1759   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   1760   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   1761   params.bounds = gfx::Rect(0, 0, 100, 100);
   1762   widget->Init(params);
   1763   View* root = widget->GetRootView();
   1764   root->AddChildView(view);
   1765 
   1766   FocusManager* focus_manager = widget->GetFocusManager();
   1767   ASSERT_TRUE(focus_manager);
   1768 
   1769   EXPECT_FALSE(focus_manager->ProcessAccelerator(return_accelerator));
   1770   EXPECT_EQ(0, view->accelerator_count_map_[return_accelerator]);
   1771 
   1772   widget->Show();
   1773   EXPECT_TRUE(focus_manager->ProcessAccelerator(return_accelerator));
   1774   EXPECT_EQ(1, view->accelerator_count_map_[return_accelerator]);
   1775 
   1776   widget->Hide();
   1777   EXPECT_FALSE(focus_manager->ProcessAccelerator(return_accelerator));
   1778   EXPECT_EQ(1, view->accelerator_count_map_[return_accelerator]);
   1779 
   1780   widget->CloseNow();
   1781 }
   1782 
   1783 ////////////////////////////////////////////////////////////////////////////////
   1784 // Mouse-wheel message rerouting
   1785 ////////////////////////////////////////////////////////////////////////////////
   1786 class ScrollableTestView : public View {
   1787  public:
   1788   ScrollableTestView() { }
   1789 
   1790   virtual gfx::Size GetPreferredSize() {
   1791     return gfx::Size(100, 10000);
   1792   }
   1793 
   1794   virtual void Layout() {
   1795     SizeToPreferredSize();
   1796   }
   1797 };
   1798 
   1799 class TestViewWithControls : public View {
   1800  public:
   1801   TestViewWithControls() {
   1802     text_field_ = new Textfield();
   1803     AddChildView(text_field_);
   1804   }
   1805 
   1806   Textfield* text_field_;
   1807 };
   1808 
   1809 class SimpleWidgetDelegate : public WidgetDelegate {
   1810  public:
   1811   explicit SimpleWidgetDelegate(View* contents) : contents_(contents) {  }
   1812 
   1813   virtual void DeleteDelegate() { delete this; }
   1814 
   1815   virtual View* GetContentsView() { return contents_; }
   1816 
   1817   virtual Widget* GetWidget() { return contents_->GetWidget(); }
   1818   virtual const Widget* GetWidget() const { return contents_->GetWidget(); }
   1819 
   1820  private:
   1821   View* contents_;
   1822 };
   1823 
   1824 // Tests that the mouse-wheel messages are correctly rerouted to the window
   1825 // under the mouse.
   1826 // TODO(jcampan): http://crbug.com/10572 Disabled as it fails on the Vista build
   1827 //                bot.
   1828 // Note that this fails for a variety of reasons:
   1829 // - focused view is apparently reset across window activations and never
   1830 //   properly restored
   1831 // - this test depends on you not having any other window visible open under the
   1832 //   area that it opens the test windows. --beng
   1833 TEST_F(ViewTest, DISABLED_RerouteMouseWheelTest) {
   1834   TestViewWithControls* view_with_controls = new TestViewWithControls();
   1835   Widget* window1 = Widget::CreateWindowWithBounds(
   1836       new SimpleWidgetDelegate(view_with_controls),
   1837       gfx::Rect(0, 0, 100, 100));
   1838   window1->Show();
   1839   ScrollView* scroll_view = new ScrollView();
   1840   scroll_view->SetContents(new ScrollableTestView());
   1841   Widget* window2 = Widget::CreateWindowWithBounds(
   1842       new SimpleWidgetDelegate(scroll_view),
   1843       gfx::Rect(200, 200, 100, 100));
   1844   window2->Show();
   1845   EXPECT_EQ(0, scroll_view->GetVisibleRect().y());
   1846 
   1847   // Make the window1 active, as this is what it would be in real-world.
   1848   window1->Activate();
   1849 
   1850   // Let's send a mouse-wheel message to the different controls and check that
   1851   // it is rerouted to the window under the mouse (effectively scrolling the
   1852   // scroll-view).
   1853 
   1854   // First to the Window's HWND.
   1855   ::SendMessage(view_with_controls->GetWidget()->GetNativeView(),
   1856                 WM_MOUSEWHEEL, MAKEWPARAM(0, -20), MAKELPARAM(250, 250));
   1857   EXPECT_EQ(20, scroll_view->GetVisibleRect().y());
   1858 
   1859   window1->CloseNow();
   1860   window2->CloseNow();
   1861 }
   1862 #endif  // 0
   1863 
   1864 ////////////////////////////////////////////////////////////////////////////////
   1865 // Native view hierachy
   1866 ////////////////////////////////////////////////////////////////////////////////
   1867 class ToplevelWidgetObserverView : public View {
   1868  public:
   1869   ToplevelWidgetObserverView() : toplevel_(NULL) {
   1870   }
   1871   virtual ~ToplevelWidgetObserverView() {
   1872   }
   1873 
   1874   // View overrides:
   1875   virtual void ViewHierarchyChanged(
   1876       const ViewHierarchyChangedDetails& details) OVERRIDE {
   1877     if (details.is_add) {
   1878       toplevel_ = GetWidget() ? GetWidget()->GetTopLevelWidget() : NULL;
   1879     } else {
   1880       toplevel_ = NULL;
   1881     }
   1882   }
   1883   virtual void NativeViewHierarchyChanged() OVERRIDE {
   1884     toplevel_ = GetWidget() ? GetWidget()->GetTopLevelWidget() : NULL;
   1885   }
   1886 
   1887   Widget* toplevel() { return toplevel_; }
   1888 
   1889  private:
   1890   Widget* toplevel_;
   1891 
   1892   DISALLOW_COPY_AND_ASSIGN(ToplevelWidgetObserverView);
   1893 };
   1894 
   1895 // Test that a view can track the current top level widget by overriding
   1896 // View::ViewHierarchyChanged() and View::NativeViewHierarchyChanged().
   1897 TEST_F(ViewTest, NativeViewHierarchyChanged) {
   1898   scoped_ptr<Widget> toplevel1(new Widget);
   1899   Widget::InitParams toplevel1_params =
   1900       CreateParams(Widget::InitParams::TYPE_POPUP);
   1901   toplevel1_params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   1902   toplevel1->Init(toplevel1_params);
   1903 
   1904   scoped_ptr<Widget> toplevel2(new Widget);
   1905   Widget::InitParams toplevel2_params =
   1906       CreateParams(Widget::InitParams::TYPE_POPUP);
   1907   toplevel2_params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   1908   toplevel2->Init(toplevel2_params);
   1909 
   1910   Widget* child = new Widget;
   1911   Widget::InitParams child_params(Widget::InitParams::TYPE_CONTROL);
   1912   child_params.parent = toplevel1->GetNativeView();
   1913   child->Init(child_params);
   1914 
   1915   ToplevelWidgetObserverView* observer_view =
   1916       new ToplevelWidgetObserverView();
   1917   EXPECT_EQ(NULL, observer_view->toplevel());
   1918 
   1919   child->SetContentsView(observer_view);
   1920   EXPECT_EQ(toplevel1, observer_view->toplevel());
   1921 
   1922   Widget::ReparentNativeView(child->GetNativeView(),
   1923                              toplevel2->GetNativeView());
   1924   EXPECT_EQ(toplevel2, observer_view->toplevel());
   1925 
   1926   observer_view->parent()->RemoveChildView(observer_view);
   1927   EXPECT_EQ(NULL, observer_view->toplevel());
   1928 
   1929   // Make |observer_view| |child|'s contents view again so that it gets deleted
   1930   // with the widget.
   1931   child->SetContentsView(observer_view);
   1932 }
   1933 
   1934 ////////////////////////////////////////////////////////////////////////////////
   1935 // Transformations
   1936 ////////////////////////////////////////////////////////////////////////////////
   1937 
   1938 class TransformPaintView : public TestView {
   1939  public:
   1940   TransformPaintView() {}
   1941   virtual ~TransformPaintView() {}
   1942 
   1943   void ClearScheduledPaintRect() {
   1944     scheduled_paint_rect_ = gfx::Rect();
   1945   }
   1946 
   1947   gfx::Rect scheduled_paint_rect() const { return scheduled_paint_rect_; }
   1948 
   1949   // Overridden from View:
   1950   virtual void SchedulePaintInRect(const gfx::Rect& rect) OVERRIDE {
   1951     gfx::Rect xrect = ConvertRectToParent(rect);
   1952     scheduled_paint_rect_.Union(xrect);
   1953   }
   1954 
   1955  private:
   1956   gfx::Rect scheduled_paint_rect_;
   1957 
   1958   DISALLOW_COPY_AND_ASSIGN(TransformPaintView);
   1959 };
   1960 
   1961 TEST_F(ViewTest, TransformPaint) {
   1962   TransformPaintView* v1 = new TransformPaintView();
   1963   v1->SetBoundsRect(gfx::Rect(0, 0, 500, 300));
   1964 
   1965   TestView* v2 = new TestView();
   1966   v2->SetBoundsRect(gfx::Rect(100, 100, 200, 100));
   1967 
   1968   Widget* widget = new Widget;
   1969   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   1970   params.bounds = gfx::Rect(50, 50, 650, 650);
   1971   widget->Init(params);
   1972   widget->Show();
   1973   View* root = widget->GetRootView();
   1974 
   1975   root->AddChildView(v1);
   1976   v1->AddChildView(v2);
   1977 
   1978   // At this moment, |v2| occupies (100, 100) to (300, 200) in |root|.
   1979   v1->ClearScheduledPaintRect();
   1980   v2->SchedulePaint();
   1981 
   1982   EXPECT_EQ(gfx::Rect(100, 100, 200, 100), v1->scheduled_paint_rect());
   1983 
   1984   // Rotate |v1| counter-clockwise.
   1985   gfx::Transform transform;
   1986   RotateCounterclockwise(&transform);
   1987   transform.matrix().set(1, 3, 500.0);
   1988   v1->SetTransform(transform);
   1989 
   1990   // |v2| now occupies (100, 200) to (200, 400) in |root|.
   1991 
   1992   v1->ClearScheduledPaintRect();
   1993   v2->SchedulePaint();
   1994 
   1995   EXPECT_EQ(gfx::Rect(100, 200, 100, 200), v1->scheduled_paint_rect());
   1996 
   1997   widget->CloseNow();
   1998 }
   1999 
   2000 TEST_F(ViewTest, TransformEvent) {
   2001   TestView* v1 = new TestView();
   2002   v1->SetBoundsRect(gfx::Rect(0, 0, 500, 300));
   2003 
   2004   TestView* v2 = new TestView();
   2005   v2->SetBoundsRect(gfx::Rect(100, 100, 200, 100));
   2006 
   2007   Widget* widget = new Widget;
   2008   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   2009   params.bounds = gfx::Rect(50, 50, 650, 650);
   2010   widget->Init(params);
   2011   View* root = widget->GetRootView();
   2012 
   2013   root->AddChildView(v1);
   2014   v1->AddChildView(v2);
   2015 
   2016   // At this moment, |v2| occupies (100, 100) to (300, 200) in |root|.
   2017 
   2018   // Rotate |v1| counter-clockwise.
   2019   gfx::Transform transform(v1->GetTransform());
   2020   RotateCounterclockwise(&transform);
   2021   transform.matrix().set(1, 3, 500.0);
   2022   v1->SetTransform(transform);
   2023 
   2024   // |v2| now occupies (100, 200) to (200, 400) in |root|.
   2025   v1->Reset();
   2026   v2->Reset();
   2027 
   2028   gfx::Point p1(110, 210);
   2029   ui::MouseEvent pressed(ui::ET_MOUSE_PRESSED, p1, p1,
   2030                          ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
   2031   root->OnMousePressed(pressed);
   2032   EXPECT_EQ(0, v1->last_mouse_event_type_);
   2033   EXPECT_EQ(ui::ET_MOUSE_PRESSED, v2->last_mouse_event_type_);
   2034   EXPECT_EQ(190, v2->location_.x());
   2035   EXPECT_EQ(10, v2->location_.y());
   2036 
   2037   ui::MouseEvent released(ui::ET_MOUSE_RELEASED, gfx::Point(), gfx::Point(), 0,
   2038                           0);
   2039   root->OnMouseReleased(released);
   2040 
   2041   // Now rotate |v2| inside |v1| clockwise.
   2042   transform = v2->GetTransform();
   2043   RotateClockwise(&transform);
   2044   transform.matrix().set(0, 3, 100.f);
   2045   v2->SetTransform(transform);
   2046 
   2047   // Now, |v2| occupies (100, 100) to (200, 300) in |v1|, and (100, 300) to
   2048   // (300, 400) in |root|.
   2049 
   2050   v1->Reset();
   2051   v2->Reset();
   2052 
   2053   gfx::Point point2(110, 320);
   2054   ui::MouseEvent p2(ui::ET_MOUSE_PRESSED, point2, point2,
   2055                     ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
   2056   root->OnMousePressed(p2);
   2057   EXPECT_EQ(0, v1->last_mouse_event_type_);
   2058   EXPECT_EQ(ui::ET_MOUSE_PRESSED, v2->last_mouse_event_type_);
   2059   EXPECT_EQ(10, v2->location_.x());
   2060   EXPECT_EQ(20, v2->location_.y());
   2061 
   2062   root->OnMouseReleased(released);
   2063 
   2064   v1->SetTransform(gfx::Transform());
   2065   v2->SetTransform(gfx::Transform());
   2066 
   2067   TestView* v3 = new TestView();
   2068   v3->SetBoundsRect(gfx::Rect(10, 10, 20, 30));
   2069   v2->AddChildView(v3);
   2070 
   2071   // Rotate |v3| clockwise with respect to |v2|.
   2072   transform = v1->GetTransform();
   2073   RotateClockwise(&transform);
   2074   transform.matrix().set(0, 3, 30.f);
   2075   v3->SetTransform(transform);
   2076 
   2077   // Scale |v2| with respect to |v1| along both axis.
   2078   transform = v2->GetTransform();
   2079   transform.matrix().set(0, 0, 0.8f);
   2080   transform.matrix().set(1, 1, 0.5f);
   2081   v2->SetTransform(transform);
   2082 
   2083   // |v3| occupies (108, 105) to (132, 115) in |root|.
   2084 
   2085   v1->Reset();
   2086   v2->Reset();
   2087   v3->Reset();
   2088 
   2089   gfx::Point point(112, 110);
   2090   ui::MouseEvent p3(ui::ET_MOUSE_PRESSED, point, point,
   2091                     ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
   2092   root->OnMousePressed(p3);
   2093 
   2094   EXPECT_EQ(ui::ET_MOUSE_PRESSED, v3->last_mouse_event_type_);
   2095   EXPECT_EQ(10, v3->location_.x());
   2096   EXPECT_EQ(25, v3->location_.y());
   2097 
   2098   root->OnMouseReleased(released);
   2099 
   2100   v1->SetTransform(gfx::Transform());
   2101   v2->SetTransform(gfx::Transform());
   2102   v3->SetTransform(gfx::Transform());
   2103 
   2104   v1->Reset();
   2105   v2->Reset();
   2106   v3->Reset();
   2107 
   2108   // Rotate |v3| clockwise with respect to |v2|, and scale it along both axis.
   2109   transform = v3->GetTransform();
   2110   RotateClockwise(&transform);
   2111   transform.matrix().set(0, 3, 30.f);
   2112   // Rotation sets some scaling transformation. Using SetScale would overwrite
   2113   // that and pollute the rotation. So combine the scaling with the existing
   2114   // transforamtion.
   2115   gfx::Transform scale;
   2116   scale.Scale(0.8f, 0.5f);
   2117   transform.ConcatTransform(scale);
   2118   v3->SetTransform(transform);
   2119 
   2120   // Translate |v2| with respect to |v1|.
   2121   transform = v2->GetTransform();
   2122   transform.matrix().set(0, 3, 10.f);
   2123   transform.matrix().set(1, 3, 10.f);
   2124   v2->SetTransform(transform);
   2125 
   2126   // |v3| now occupies (120, 120) to (144, 130) in |root|.
   2127 
   2128   gfx::Point point3(124, 125);
   2129   ui::MouseEvent p4(ui::ET_MOUSE_PRESSED, point3, point3,
   2130                     ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
   2131   root->OnMousePressed(p4);
   2132 
   2133   EXPECT_EQ(ui::ET_MOUSE_PRESSED, v3->last_mouse_event_type_);
   2134   EXPECT_EQ(10, v3->location_.x());
   2135   EXPECT_EQ(25, v3->location_.y());
   2136 
   2137   root->OnMouseReleased(released);
   2138 
   2139   widget->CloseNow();
   2140 }
   2141 
   2142 TEST_F(ViewTest, TransformVisibleBound) {
   2143   gfx::Rect viewport_bounds(0, 0, 100, 100);
   2144 
   2145   scoped_ptr<Widget> widget(new Widget);
   2146   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   2147   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   2148   params.bounds = viewport_bounds;
   2149   widget->Init(params);
   2150   widget->GetRootView()->SetBoundsRect(viewport_bounds);
   2151 
   2152   View* viewport = new View;
   2153   widget->SetContentsView(viewport);
   2154   View* contents = new View;
   2155   viewport->AddChildView(contents);
   2156   viewport->SetBoundsRect(viewport_bounds);
   2157   contents->SetBoundsRect(gfx::Rect(0, 0, 100, 200));
   2158 
   2159   View* child = new View;
   2160   contents->AddChildView(child);
   2161   child->SetBoundsRect(gfx::Rect(10, 90, 50, 50));
   2162   EXPECT_EQ(gfx::Rect(0, 0, 50, 10), child->GetVisibleBounds());
   2163 
   2164   // Rotate |child| counter-clockwise
   2165   gfx::Transform transform;
   2166   RotateCounterclockwise(&transform);
   2167   transform.matrix().set(1, 3, 50.f);
   2168   child->SetTransform(transform);
   2169   EXPECT_EQ(gfx::Rect(40, 0, 10, 50), child->GetVisibleBounds());
   2170 
   2171   widget->CloseNow();
   2172 }
   2173 
   2174 ////////////////////////////////////////////////////////////////////////////////
   2175 // OnVisibleBoundsChanged()
   2176 
   2177 class VisibleBoundsView : public View {
   2178  public:
   2179   VisibleBoundsView() : received_notification_(false) {}
   2180   virtual ~VisibleBoundsView() {}
   2181 
   2182   bool received_notification() const { return received_notification_; }
   2183   void set_received_notification(bool received) {
   2184     received_notification_ = received;
   2185   }
   2186 
   2187  private:
   2188   // Overridden from View:
   2189   virtual bool NeedsNotificationWhenVisibleBoundsChange() const OVERRIDE {
   2190      return true;
   2191   }
   2192   virtual void OnVisibleBoundsChanged() OVERRIDE {
   2193     received_notification_ = true;
   2194   }
   2195 
   2196   bool received_notification_;
   2197 
   2198   DISALLOW_COPY_AND_ASSIGN(VisibleBoundsView);
   2199 };
   2200 
   2201 TEST_F(ViewTest, OnVisibleBoundsChanged) {
   2202   gfx::Rect viewport_bounds(0, 0, 100, 100);
   2203 
   2204   scoped_ptr<Widget> widget(new Widget);
   2205   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   2206   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   2207   params.bounds = viewport_bounds;
   2208   widget->Init(params);
   2209   widget->GetRootView()->SetBoundsRect(viewport_bounds);
   2210 
   2211   View* viewport = new View;
   2212   widget->SetContentsView(viewport);
   2213   View* contents = new View;
   2214   viewport->AddChildView(contents);
   2215   viewport->SetBoundsRect(viewport_bounds);
   2216   contents->SetBoundsRect(gfx::Rect(0, 0, 100, 200));
   2217 
   2218   // Create a view that cares about visible bounds notifications, and position
   2219   // it just outside the visible bounds of the viewport.
   2220   VisibleBoundsView* child = new VisibleBoundsView;
   2221   contents->AddChildView(child);
   2222   child->SetBoundsRect(gfx::Rect(10, 110, 50, 50));
   2223 
   2224   // The child bound should be fully clipped.
   2225   EXPECT_TRUE(child->GetVisibleBounds().IsEmpty());
   2226 
   2227   // Now scroll the contents, but not enough to make the child visible.
   2228   contents->SetY(contents->y() - 1);
   2229 
   2230   // We should have received the notification since the visible bounds may have
   2231   // changed (even though they didn't).
   2232   EXPECT_TRUE(child->received_notification());
   2233   EXPECT_TRUE(child->GetVisibleBounds().IsEmpty());
   2234   child->set_received_notification(false);
   2235 
   2236   // Now scroll the contents, this time by enough to make the child visible by
   2237   // one pixel.
   2238   contents->SetY(contents->y() - 10);
   2239   EXPECT_TRUE(child->received_notification());
   2240   EXPECT_EQ(1, child->GetVisibleBounds().height());
   2241   child->set_received_notification(false);
   2242 
   2243   widget->CloseNow();
   2244 }
   2245 
   2246 TEST_F(ViewTest, SetBoundsPaint) {
   2247   TestView top_view;
   2248   TestView* child_view = new TestView;
   2249 
   2250   top_view.SetBoundsRect(gfx::Rect(0, 0, 100, 100));
   2251   top_view.scheduled_paint_rects_.clear();
   2252   child_view->SetBoundsRect(gfx::Rect(10, 10, 20, 20));
   2253   top_view.AddChildView(child_view);
   2254 
   2255   top_view.scheduled_paint_rects_.clear();
   2256   child_view->SetBoundsRect(gfx::Rect(30, 30, 20, 20));
   2257   EXPECT_EQ(2U, top_view.scheduled_paint_rects_.size());
   2258 
   2259   // There should be 2 rects, spanning from (10, 10) to (50, 50).
   2260   gfx::Rect paint_rect = top_view.scheduled_paint_rects_[0];
   2261   paint_rect.Union(top_view.scheduled_paint_rects_[1]);
   2262   EXPECT_EQ(gfx::Rect(10, 10, 40, 40), paint_rect);
   2263 }
   2264 
   2265 // Assertions around painting and focus gain/lost.
   2266 TEST_F(ViewTest, FocusBlurPaints) {
   2267   TestView parent_view;
   2268   TestView* child_view1 = new TestView;  // Owned by |parent_view|.
   2269 
   2270   parent_view.SetBoundsRect(gfx::Rect(0, 0, 100, 100));
   2271 
   2272   child_view1->SetBoundsRect(gfx::Rect(0, 0, 20, 20));
   2273   parent_view.AddChildView(child_view1);
   2274 
   2275   parent_view.scheduled_paint_rects_.clear();
   2276   child_view1->scheduled_paint_rects_.clear();
   2277 
   2278   // Focus change shouldn't trigger paints.
   2279   child_view1->DoFocus();
   2280 
   2281   EXPECT_TRUE(parent_view.scheduled_paint_rects_.empty());
   2282   EXPECT_TRUE(child_view1->scheduled_paint_rects_.empty());
   2283 
   2284   child_view1->DoBlur();
   2285   EXPECT_TRUE(parent_view.scheduled_paint_rects_.empty());
   2286   EXPECT_TRUE(child_view1->scheduled_paint_rects_.empty());
   2287 }
   2288 
   2289 // Verifies SetBounds(same bounds) doesn't trigger a SchedulePaint().
   2290 TEST_F(ViewTest, SetBoundsSameBoundsDoesntSchedulePaint) {
   2291   TestView view;
   2292 
   2293   view.SetBoundsRect(gfx::Rect(0, 0, 100, 100));
   2294   view.InvalidateLayout();
   2295   view.scheduled_paint_rects_.clear();
   2296   view.SetBoundsRect(gfx::Rect(0, 0, 100, 100));
   2297   EXPECT_TRUE(view.scheduled_paint_rects_.empty());
   2298 }
   2299 
   2300 // Verifies AddChildView() and RemoveChildView() schedule appropriate paints.
   2301 TEST_F(ViewTest, AddAndRemoveSchedulePaints) {
   2302   gfx::Rect viewport_bounds(0, 0, 100, 100);
   2303 
   2304   // We have to put the View hierarchy into a Widget or no paints will be
   2305   // scheduled.
   2306   scoped_ptr<Widget> widget(new Widget);
   2307   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   2308   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   2309   params.bounds = viewport_bounds;
   2310   widget->Init(params);
   2311   widget->GetRootView()->SetBoundsRect(viewport_bounds);
   2312 
   2313   TestView* parent_view = new TestView;
   2314   widget->SetContentsView(parent_view);
   2315   parent_view->SetBoundsRect(viewport_bounds);
   2316   parent_view->scheduled_paint_rects_.clear();
   2317 
   2318   View* child_view = new View;
   2319   child_view->SetBoundsRect(gfx::Rect(0, 0, 20, 20));
   2320   parent_view->AddChildView(child_view);
   2321   ASSERT_EQ(1U, parent_view->scheduled_paint_rects_.size());
   2322   EXPECT_EQ(child_view->bounds(), parent_view->scheduled_paint_rects_.front());
   2323 
   2324   parent_view->scheduled_paint_rects_.clear();
   2325   parent_view->RemoveChildView(child_view);
   2326   scoped_ptr<View> child_deleter(child_view);
   2327   ASSERT_EQ(1U, parent_view->scheduled_paint_rects_.size());
   2328   EXPECT_EQ(child_view->bounds(), parent_view->scheduled_paint_rects_.front());
   2329 
   2330   widget->CloseNow();
   2331 }
   2332 
   2333 // Tests conversion methods with a transform.
   2334 TEST_F(ViewTest, ConversionsWithTransform) {
   2335   TestView top_view;
   2336 
   2337   // View hierarchy used to test scale transforms.
   2338   TestView* child = new TestView;
   2339   TestView* child_child = new TestView;
   2340 
   2341   // View used to test a rotation transform.
   2342   TestView* child_2 = new TestView;
   2343 
   2344   top_view.AddChildView(child);
   2345   child->AddChildView(child_child);
   2346 
   2347   top_view.SetBoundsRect(gfx::Rect(0, 0, 1000, 1000));
   2348 
   2349   child->SetBoundsRect(gfx::Rect(7, 19, 500, 500));
   2350   gfx::Transform transform;
   2351   transform.Scale(3.0, 4.0);
   2352   child->SetTransform(transform);
   2353 
   2354   child_child->SetBoundsRect(gfx::Rect(17, 13, 100, 100));
   2355   transform.MakeIdentity();
   2356   transform.Scale(5.0, 7.0);
   2357   child_child->SetTransform(transform);
   2358 
   2359   top_view.AddChildView(child_2);
   2360   child_2->SetBoundsRect(gfx::Rect(700, 725, 100, 100));
   2361   transform.MakeIdentity();
   2362   RotateClockwise(&transform);
   2363   child_2->SetTransform(transform);
   2364 
   2365   // Sanity check to make sure basic transforms act as expected.
   2366   {
   2367     gfx::Transform transform;
   2368     transform.Translate(110.0, -110.0);
   2369     transform.Scale(100.0, 55.0);
   2370     transform.Translate(1.0, 1.0);
   2371 
   2372     // convert to a 3x3 matrix.
   2373     const SkMatrix& matrix = transform.matrix();
   2374 
   2375     EXPECT_EQ(210, matrix.getTranslateX());
   2376     EXPECT_EQ(-55, matrix.getTranslateY());
   2377     EXPECT_EQ(100, matrix.getScaleX());
   2378     EXPECT_EQ(55, matrix.getScaleY());
   2379     EXPECT_EQ(0, matrix.getSkewX());
   2380     EXPECT_EQ(0, matrix.getSkewY());
   2381   }
   2382 
   2383   {
   2384     gfx::Transform transform;
   2385     transform.Translate(1.0, 1.0);
   2386     gfx::Transform t2;
   2387     t2.Scale(100.0, 55.0);
   2388     gfx::Transform t3;
   2389     t3.Translate(110.0, -110.0);
   2390     transform.ConcatTransform(t2);
   2391     transform.ConcatTransform(t3);
   2392 
   2393     // convert to a 3x3 matrix
   2394     const SkMatrix& matrix = transform.matrix();
   2395 
   2396     EXPECT_EQ(210, matrix.getTranslateX());
   2397     EXPECT_EQ(-55, matrix.getTranslateY());
   2398     EXPECT_EQ(100, matrix.getScaleX());
   2399     EXPECT_EQ(55, matrix.getScaleY());
   2400     EXPECT_EQ(0, matrix.getSkewX());
   2401     EXPECT_EQ(0, matrix.getSkewY());
   2402   }
   2403 
   2404   // Conversions from child->top and top->child.
   2405   {
   2406     gfx::Point point(5, 5);
   2407     View::ConvertPointToTarget(child, &top_view, &point);
   2408     EXPECT_EQ(22, point.x());
   2409     EXPECT_EQ(39, point.y());
   2410 
   2411     gfx::RectF rect(5.0f, 5.0f, 10.0f, 20.0f);
   2412     View::ConvertRectToTarget(child, &top_view, &rect);
   2413     EXPECT_FLOAT_EQ(22.0f, rect.x());
   2414     EXPECT_FLOAT_EQ(39.0f, rect.y());
   2415     EXPECT_FLOAT_EQ(30.0f, rect.width());
   2416     EXPECT_FLOAT_EQ(80.0f, rect.height());
   2417 
   2418     point.SetPoint(22, 39);
   2419     View::ConvertPointToTarget(&top_view, child, &point);
   2420     EXPECT_EQ(5, point.x());
   2421     EXPECT_EQ(5, point.y());
   2422 
   2423     rect.SetRect(22.0f, 39.0f, 30.0f, 80.0f);
   2424     View::ConvertRectToTarget(&top_view, child, &rect);
   2425     EXPECT_FLOAT_EQ(5.0f, rect.x());
   2426     EXPECT_FLOAT_EQ(5.0f, rect.y());
   2427     EXPECT_FLOAT_EQ(10.0f, rect.width());
   2428     EXPECT_FLOAT_EQ(20.0f, rect.height());
   2429   }
   2430 
   2431   // Conversions from child_child->top and top->child_child.
   2432   {
   2433     gfx::Point point(5, 5);
   2434     View::ConvertPointToTarget(child_child, &top_view, &point);
   2435     EXPECT_EQ(133, point.x());
   2436     EXPECT_EQ(211, point.y());
   2437 
   2438     gfx::RectF rect(5.0f, 5.0f, 10.0f, 20.0f);
   2439     View::ConvertRectToTarget(child_child, &top_view, &rect);
   2440     EXPECT_FLOAT_EQ(133.0f, rect.x());
   2441     EXPECT_FLOAT_EQ(211.0f, rect.y());
   2442     EXPECT_FLOAT_EQ(150.0f, rect.width());
   2443     EXPECT_FLOAT_EQ(560.0f, rect.height());
   2444 
   2445     point.SetPoint(133, 211);
   2446     View::ConvertPointToTarget(&top_view, child_child, &point);
   2447     EXPECT_EQ(5, point.x());
   2448     EXPECT_EQ(5, point.y());
   2449 
   2450     rect.SetRect(133.0f, 211.0f, 150.0f, 560.0f);
   2451     View::ConvertRectToTarget(&top_view, child_child, &rect);
   2452     EXPECT_FLOAT_EQ(5.0f, rect.x());
   2453     EXPECT_FLOAT_EQ(5.0f, rect.y());
   2454     EXPECT_FLOAT_EQ(10.0f, rect.width());
   2455     EXPECT_FLOAT_EQ(20.0f, rect.height());
   2456   }
   2457 
   2458   // Conversions from child_child->child and child->child_child
   2459   {
   2460     gfx::Point point(5, 5);
   2461     View::ConvertPointToTarget(child_child, child, &point);
   2462     EXPECT_EQ(42, point.x());
   2463     EXPECT_EQ(48, point.y());
   2464 
   2465     gfx::RectF rect(5.0f, 5.0f, 10.0f, 20.0f);
   2466     View::ConvertRectToTarget(child_child, child, &rect);
   2467     EXPECT_FLOAT_EQ(42.0f, rect.x());
   2468     EXPECT_FLOAT_EQ(48.0f, rect.y());
   2469     EXPECT_FLOAT_EQ(50.0f, rect.width());
   2470     EXPECT_FLOAT_EQ(140.0f, rect.height());
   2471 
   2472     point.SetPoint(42, 48);
   2473     View::ConvertPointToTarget(child, child_child, &point);
   2474     EXPECT_EQ(5, point.x());
   2475     EXPECT_EQ(5, point.y());
   2476 
   2477     rect.SetRect(42.0f, 48.0f, 50.0f, 140.0f);
   2478     View::ConvertRectToTarget(child, child_child, &rect);
   2479     EXPECT_FLOAT_EQ(5.0f, rect.x());
   2480     EXPECT_FLOAT_EQ(5.0f, rect.y());
   2481     EXPECT_FLOAT_EQ(10.0f, rect.width());
   2482     EXPECT_FLOAT_EQ(20.0f, rect.height());
   2483   }
   2484 
   2485   // Conversions from top_view to child with a value that should be negative.
   2486   // This ensures we don't round up with negative numbers.
   2487   {
   2488     gfx::Point point(6, 18);
   2489     View::ConvertPointToTarget(&top_view, child, &point);
   2490     EXPECT_EQ(-1, point.x());
   2491     EXPECT_EQ(-1, point.y());
   2492 
   2493     float error = 0.01f;
   2494     gfx::RectF rect(6.0f, 18.0f, 10.0f, 39.0f);
   2495     View::ConvertRectToTarget(&top_view, child, &rect);
   2496     EXPECT_NEAR(-0.33f, rect.x(), error);
   2497     EXPECT_NEAR(-0.25f, rect.y(), error);
   2498     EXPECT_NEAR(3.33f, rect.width(), error);
   2499     EXPECT_NEAR(9.75f, rect.height(), error);
   2500   }
   2501 
   2502   // Rect conversions from top_view->child_2 and child_2->top_view.
   2503   {
   2504     gfx::RectF rect(50.0f, 55.0f, 20.0f, 30.0f);
   2505     View::ConvertRectToTarget(child_2, &top_view, &rect);
   2506     EXPECT_FLOAT_EQ(615.0f, rect.x());
   2507     EXPECT_FLOAT_EQ(775.0f, rect.y());
   2508     EXPECT_FLOAT_EQ(30.0f, rect.width());
   2509     EXPECT_FLOAT_EQ(20.0f, rect.height());
   2510 
   2511     rect.SetRect(615.0f, 775.0f, 30.0f, 20.0f);
   2512     View::ConvertRectToTarget(&top_view, child_2, &rect);
   2513     EXPECT_FLOAT_EQ(50.0f, rect.x());
   2514     EXPECT_FLOAT_EQ(55.0f, rect.y());
   2515     EXPECT_FLOAT_EQ(20.0f, rect.width());
   2516     EXPECT_FLOAT_EQ(30.0f, rect.height());
   2517   }
   2518 }
   2519 
   2520 // Tests conversion methods to and from screen coordinates.
   2521 TEST_F(ViewTest, ConversionsToFromScreen) {
   2522   scoped_ptr<Widget> widget(new Widget);
   2523   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   2524   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   2525   params.bounds = gfx::Rect(50, 50, 650, 650);
   2526   widget->Init(params);
   2527 
   2528   View* child = new View;
   2529   widget->GetRootView()->AddChildView(child);
   2530   child->SetBounds(10, 10, 100, 200);
   2531   gfx::Transform t;
   2532   t.Scale(0.5, 0.5);
   2533   child->SetTransform(t);
   2534 
   2535   gfx::Point point_in_screen(100, 90);
   2536   gfx::Point point_in_child(80,60);
   2537 
   2538   gfx::Point point = point_in_screen;
   2539   View::ConvertPointFromScreen(child, &point);
   2540   EXPECT_EQ(point_in_child.ToString(), point.ToString());
   2541 
   2542   View::ConvertPointToScreen(child, &point);
   2543   EXPECT_EQ(point_in_screen.ToString(), point.ToString());
   2544 }
   2545 
   2546 // Tests conversion methods for rectangles.
   2547 TEST_F(ViewTest, ConvertRectWithTransform) {
   2548   scoped_ptr<Widget> widget(new Widget);
   2549   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   2550   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   2551   params.bounds = gfx::Rect(50, 50, 650, 650);
   2552   widget->Init(params);
   2553   View* root = widget->GetRootView();
   2554 
   2555   TestView* v1 = new TestView;
   2556   TestView* v2 = new TestView;
   2557   root->AddChildView(v1);
   2558   v1->AddChildView(v2);
   2559 
   2560   v1->SetBoundsRect(gfx::Rect(10, 10, 500, 500));
   2561   v2->SetBoundsRect(gfx::Rect(20, 20, 100, 200));
   2562 
   2563   // |v2| now occupies (30, 30) to (130, 230) in |widget|
   2564   gfx::Rect rect(5, 5, 15, 40);
   2565   EXPECT_EQ(gfx::Rect(25, 25, 15, 40), v2->ConvertRectToParent(rect));
   2566   EXPECT_EQ(gfx::Rect(35, 35, 15, 40), v2->ConvertRectToWidget(rect));
   2567 
   2568   // Rotate |v2|
   2569   gfx::Transform t2;
   2570   RotateCounterclockwise(&t2);
   2571   t2.matrix().set(1, 3, 100.f);
   2572   v2->SetTransform(t2);
   2573 
   2574   // |v2| now occupies (30, 30) to (230, 130) in |widget|
   2575   EXPECT_EQ(gfx::Rect(25, 100, 40, 15), v2->ConvertRectToParent(rect));
   2576   EXPECT_EQ(gfx::Rect(35, 110, 40, 15), v2->ConvertRectToWidget(rect));
   2577 
   2578   // Scale down |v1|
   2579   gfx::Transform t1;
   2580   t1.Scale(0.5, 0.5);
   2581   v1->SetTransform(t1);
   2582 
   2583   // The rectangle should remain the same for |v1|.
   2584   EXPECT_EQ(gfx::Rect(25, 100, 40, 15), v2->ConvertRectToParent(rect));
   2585 
   2586   // |v2| now occupies (20, 20) to (120, 70) in |widget|
   2587   EXPECT_EQ(gfx::Rect(22, 60, 21, 8).ToString(),
   2588             v2->ConvertRectToWidget(rect).ToString());
   2589 
   2590   widget->CloseNow();
   2591 }
   2592 
   2593 class ObserverView : public View {
   2594  public:
   2595   ObserverView();
   2596   virtual ~ObserverView();
   2597 
   2598   void ResetTestState();
   2599 
   2600   bool has_add_details() const { return has_add_details_; }
   2601   bool has_remove_details() const { return has_remove_details_; }
   2602 
   2603   const ViewHierarchyChangedDetails& add_details() const {
   2604     return add_details_;
   2605   }
   2606 
   2607   const ViewHierarchyChangedDetails& remove_details() const {
   2608     return remove_details_;
   2609   }
   2610 
   2611  private:
   2612   // View:
   2613   virtual void ViewHierarchyChanged(
   2614       const ViewHierarchyChangedDetails& details) OVERRIDE;
   2615 
   2616   bool has_add_details_;
   2617   bool has_remove_details_;
   2618   ViewHierarchyChangedDetails add_details_;
   2619   ViewHierarchyChangedDetails remove_details_;
   2620 
   2621   DISALLOW_COPY_AND_ASSIGN(ObserverView);
   2622 };
   2623 
   2624 ObserverView::ObserverView()
   2625     : has_add_details_(false),
   2626       has_remove_details_(false) {
   2627 }
   2628 
   2629 ObserverView::~ObserverView() {}
   2630 
   2631 void ObserverView::ResetTestState() {
   2632   has_add_details_ = false;
   2633   has_remove_details_ = false;
   2634   add_details_ = ViewHierarchyChangedDetails();
   2635   remove_details_ = ViewHierarchyChangedDetails();
   2636 }
   2637 
   2638 void ObserverView::ViewHierarchyChanged(
   2639     const ViewHierarchyChangedDetails& details) {
   2640   if (details.is_add) {
   2641     has_add_details_ = true;
   2642     add_details_ = details;
   2643   } else {
   2644     has_remove_details_ = true;
   2645     remove_details_ = details;
   2646   }
   2647 }
   2648 
   2649 // Verifies that the ViewHierarchyChanged() notification is sent correctly when
   2650 // a child view is added or removed to all the views in the hierarchy (up and
   2651 // down).
   2652 // The tree looks like this:
   2653 // v1
   2654 // +-- v2
   2655 //     +-- v3
   2656 //     +-- v4 (starts here, then get reparented to v1)
   2657 TEST_F(ViewTest, ViewHierarchyChanged) {
   2658   ObserverView v1;
   2659 
   2660   ObserverView* v3 = new ObserverView();
   2661 
   2662   // Add |v3| to |v2|.
   2663   scoped_ptr<ObserverView> v2(new ObserverView());
   2664   v2->AddChildView(v3);
   2665 
   2666   // Make sure both |v2| and |v3| receive the ViewHierarchyChanged()
   2667   // notification.
   2668   EXPECT_TRUE(v2->has_add_details());
   2669   EXPECT_FALSE(v2->has_remove_details());
   2670   EXPECT_EQ(v2.get(), v2->add_details().parent);
   2671   EXPECT_EQ(v3, v2->add_details().child);
   2672   EXPECT_EQ(NULL, v2->add_details().move_view);
   2673 
   2674   EXPECT_TRUE(v3->has_add_details());
   2675   EXPECT_FALSE(v3->has_remove_details());
   2676   EXPECT_EQ(v2.get(), v3->add_details().parent);
   2677   EXPECT_EQ(v3, v3->add_details().child);
   2678   EXPECT_EQ(NULL, v3->add_details().move_view);
   2679 
   2680   // Reset everything to the initial state.
   2681   v2->ResetTestState();
   2682   v3->ResetTestState();
   2683 
   2684   // Add |v2| to v1.
   2685   v1.AddChildView(v2.get());
   2686 
   2687   // Verifies that |v2| is the child view *added* and the parent view is |v1|.
   2688   // Make sure all the views (v1, v2, v3) received _that_ information.
   2689   EXPECT_TRUE(v1.has_add_details());
   2690   EXPECT_FALSE(v1.has_remove_details());
   2691   EXPECT_EQ(&v1, v1.add_details().parent);
   2692   EXPECT_EQ(v2.get(), v1.add_details().child);
   2693   EXPECT_EQ(NULL, v1.add_details().move_view);
   2694 
   2695   EXPECT_TRUE(v2->has_add_details());
   2696   EXPECT_FALSE(v2->has_remove_details());
   2697   EXPECT_EQ(&v1, v2->add_details().parent);
   2698   EXPECT_EQ(v2.get(), v2->add_details().child);
   2699   EXPECT_EQ(NULL, v2->add_details().move_view);
   2700 
   2701   EXPECT_TRUE(v3->has_add_details());
   2702   EXPECT_FALSE(v3->has_remove_details());
   2703   EXPECT_EQ(&v1, v3->add_details().parent);
   2704   EXPECT_EQ(v2.get(), v3->add_details().child);
   2705   EXPECT_EQ(NULL, v3->add_details().move_view);
   2706 
   2707   // Reset everything to the initial state.
   2708   v1.ResetTestState();
   2709   v2->ResetTestState();
   2710   v3->ResetTestState();
   2711 
   2712   // Remove |v2| from |v1|.
   2713   v1.RemoveChildView(v2.get());
   2714 
   2715   // Verifies that |v2| is the child view *removed* and the parent view is |v1|.
   2716   // Make sure all the views (v1, v2, v3) received _that_ information.
   2717   EXPECT_FALSE(v1.has_add_details());
   2718   EXPECT_TRUE(v1.has_remove_details());
   2719   EXPECT_EQ(&v1, v1.remove_details().parent);
   2720   EXPECT_EQ(v2.get(), v1.remove_details().child);
   2721   EXPECT_EQ(NULL, v1.remove_details().move_view);
   2722 
   2723   EXPECT_FALSE(v2->has_add_details());
   2724   EXPECT_TRUE(v2->has_remove_details());
   2725   EXPECT_EQ(&v1, v2->remove_details().parent);
   2726   EXPECT_EQ(v2.get(), v2->remove_details().child);
   2727   EXPECT_EQ(NULL, v2->remove_details().move_view);
   2728 
   2729   EXPECT_FALSE(v3->has_add_details());
   2730   EXPECT_TRUE(v3->has_remove_details());
   2731   EXPECT_EQ(&v1, v3->remove_details().parent);
   2732   EXPECT_EQ(v3, v3->remove_details().child);
   2733   EXPECT_EQ(NULL, v3->remove_details().move_view);
   2734 
   2735   // Verifies notifications when reparenting a view.
   2736   ObserverView* v4 = new ObserverView();
   2737   // Add |v4| to |v2|.
   2738   v2->AddChildView(v4);
   2739 
   2740   // Reset everything to the initial state.
   2741   v1.ResetTestState();
   2742   v2->ResetTestState();
   2743   v3->ResetTestState();
   2744   v4->ResetTestState();
   2745 
   2746   // Reparent |v4| to |v1|.
   2747   v1.AddChildView(v4);
   2748 
   2749   // Verifies that all views receive the correct information for all the child,
   2750   // parent and move views.
   2751 
   2752   // |v1| is the new parent, |v4| is the child for add, |v2| is the old parent.
   2753   EXPECT_TRUE(v1.has_add_details());
   2754   EXPECT_FALSE(v1.has_remove_details());
   2755   EXPECT_EQ(&v1, v1.add_details().parent);
   2756   EXPECT_EQ(v4, v1.add_details().child);
   2757   EXPECT_EQ(v2.get(), v1.add_details().move_view);
   2758 
   2759   // |v2| is the old parent, |v4| is the child for remove, |v1| is the new
   2760   // parent.
   2761   EXPECT_FALSE(v2->has_add_details());
   2762   EXPECT_TRUE(v2->has_remove_details());
   2763   EXPECT_EQ(v2.get(), v2->remove_details().parent);
   2764   EXPECT_EQ(v4, v2->remove_details().child);
   2765   EXPECT_EQ(&v1, v2->remove_details().move_view);
   2766 
   2767   // |v3| is not impacted by this operation, and hence receives no notification.
   2768   EXPECT_FALSE(v3->has_add_details());
   2769   EXPECT_FALSE(v3->has_remove_details());
   2770 
   2771   // |v4| is the reparented child, so it receives notifications for the remove
   2772   // and then the add.  |v2| is its old parent, |v1| is its new parent.
   2773   EXPECT_TRUE(v4->has_remove_details());
   2774   EXPECT_TRUE(v4->has_add_details());
   2775   EXPECT_EQ(v2.get(), v4->remove_details().parent);
   2776   EXPECT_EQ(&v1, v4->add_details().parent);
   2777   EXPECT_EQ(v4, v4->add_details().child);
   2778   EXPECT_EQ(v4, v4->remove_details().child);
   2779   EXPECT_EQ(&v1, v4->remove_details().move_view);
   2780   EXPECT_EQ(v2.get(), v4->add_details().move_view);
   2781 }
   2782 
   2783 // Verifies if the child views added under the root are all deleted when calling
   2784 // RemoveAllChildViews.
   2785 // The tree looks like this:
   2786 // root
   2787 // +-- child1
   2788 //     +-- foo
   2789 //         +-- bar0
   2790 //         +-- bar1
   2791 //         +-- bar2
   2792 // +-- child2
   2793 // +-- child3
   2794 TEST_F(ViewTest, RemoveAllChildViews) {
   2795   View root;
   2796 
   2797   View* child1 = new View;
   2798   root.AddChildView(child1);
   2799 
   2800   for (int i = 0; i < 2; ++i)
   2801     root.AddChildView(new View);
   2802 
   2803   View* foo = new View;
   2804   child1->AddChildView(foo);
   2805 
   2806   // Add some nodes to |foo|.
   2807   for (int i = 0; i < 3; ++i)
   2808     foo->AddChildView(new View);
   2809 
   2810   EXPECT_EQ(3, root.child_count());
   2811   EXPECT_EQ(1, child1->child_count());
   2812   EXPECT_EQ(3, foo->child_count());
   2813 
   2814   // Now remove all child views from root.
   2815   root.RemoveAllChildViews(true);
   2816 
   2817   EXPECT_EQ(0, root.child_count());
   2818   EXPECT_FALSE(root.has_children());
   2819 }
   2820 
   2821 TEST_F(ViewTest, Contains) {
   2822   View v1;
   2823   View* v2 = new View;
   2824   View* v3 = new View;
   2825 
   2826   v1.AddChildView(v2);
   2827   v2->AddChildView(v3);
   2828 
   2829   EXPECT_FALSE(v1.Contains(NULL));
   2830   EXPECT_TRUE(v1.Contains(&v1));
   2831   EXPECT_TRUE(v1.Contains(v2));
   2832   EXPECT_TRUE(v1.Contains(v3));
   2833 
   2834   EXPECT_FALSE(v2->Contains(NULL));
   2835   EXPECT_TRUE(v2->Contains(v2));
   2836   EXPECT_FALSE(v2->Contains(&v1));
   2837   EXPECT_TRUE(v2->Contains(v3));
   2838 
   2839   EXPECT_FALSE(v3->Contains(NULL));
   2840   EXPECT_TRUE(v3->Contains(v3));
   2841   EXPECT_FALSE(v3->Contains(&v1));
   2842   EXPECT_FALSE(v3->Contains(v2));
   2843 }
   2844 
   2845 // Verifies if GetIndexOf() returns the correct index for the specified child
   2846 // view.
   2847 // The tree looks like this:
   2848 // root
   2849 // +-- child1
   2850 //     +-- foo1
   2851 // +-- child2
   2852 TEST_F(ViewTest, GetIndexOf) {
   2853   View root;
   2854 
   2855   View* child1 = new View;
   2856   root.AddChildView(child1);
   2857 
   2858   View* child2 = new View;
   2859   root.AddChildView(child2);
   2860 
   2861   View* foo1 = new View;
   2862   child1->AddChildView(foo1);
   2863 
   2864   EXPECT_EQ(-1, root.GetIndexOf(NULL));
   2865   EXPECT_EQ(-1, root.GetIndexOf(&root));
   2866   EXPECT_EQ(0, root.GetIndexOf(child1));
   2867   EXPECT_EQ(1, root.GetIndexOf(child2));
   2868   EXPECT_EQ(-1, root.GetIndexOf(foo1));
   2869 
   2870   EXPECT_EQ(-1, child1->GetIndexOf(NULL));
   2871   EXPECT_EQ(-1, child1->GetIndexOf(&root));
   2872   EXPECT_EQ(-1, child1->GetIndexOf(child1));
   2873   EXPECT_EQ(-1, child1->GetIndexOf(child2));
   2874   EXPECT_EQ(0, child1->GetIndexOf(foo1));
   2875 
   2876   EXPECT_EQ(-1, child2->GetIndexOf(NULL));
   2877   EXPECT_EQ(-1, child2->GetIndexOf(&root));
   2878   EXPECT_EQ(-1, child2->GetIndexOf(child2));
   2879   EXPECT_EQ(-1, child2->GetIndexOf(child1));
   2880   EXPECT_EQ(-1, child2->GetIndexOf(foo1));
   2881 }
   2882 
   2883 // Verifies that the child views can be reordered correctly.
   2884 TEST_F(ViewTest, ReorderChildren) {
   2885   View root;
   2886 
   2887   View* child = new View();
   2888   root.AddChildView(child);
   2889 
   2890   View* foo1 = new View();
   2891   child->AddChildView(foo1);
   2892   View* foo2 = new View();
   2893   child->AddChildView(foo2);
   2894   View* foo3 = new View();
   2895   child->AddChildView(foo3);
   2896   foo1->SetFocusable(true);
   2897   foo2->SetFocusable(true);
   2898   foo3->SetFocusable(true);
   2899 
   2900   ASSERT_EQ(0, child->GetIndexOf(foo1));
   2901   ASSERT_EQ(1, child->GetIndexOf(foo2));
   2902   ASSERT_EQ(2, child->GetIndexOf(foo3));
   2903   ASSERT_EQ(foo2, foo1->GetNextFocusableView());
   2904   ASSERT_EQ(foo3, foo2->GetNextFocusableView());
   2905   ASSERT_EQ(NULL, foo3->GetNextFocusableView());
   2906 
   2907   // Move |foo2| at the end.
   2908   child->ReorderChildView(foo2, -1);
   2909   ASSERT_EQ(0, child->GetIndexOf(foo1));
   2910   ASSERT_EQ(1, child->GetIndexOf(foo3));
   2911   ASSERT_EQ(2, child->GetIndexOf(foo2));
   2912   ASSERT_EQ(foo3, foo1->GetNextFocusableView());
   2913   ASSERT_EQ(foo2, foo3->GetNextFocusableView());
   2914   ASSERT_EQ(NULL, foo2->GetNextFocusableView());
   2915 
   2916   // Move |foo1| at the end.
   2917   child->ReorderChildView(foo1, -1);
   2918   ASSERT_EQ(0, child->GetIndexOf(foo3));
   2919   ASSERT_EQ(1, child->GetIndexOf(foo2));
   2920   ASSERT_EQ(2, child->GetIndexOf(foo1));
   2921   ASSERT_EQ(NULL, foo1->GetNextFocusableView());
   2922   ASSERT_EQ(foo2, foo1->GetPreviousFocusableView());
   2923   ASSERT_EQ(foo2, foo3->GetNextFocusableView());
   2924   ASSERT_EQ(foo1, foo2->GetNextFocusableView());
   2925 
   2926   // Move |foo2| to the front.
   2927   child->ReorderChildView(foo2, 0);
   2928   ASSERT_EQ(0, child->GetIndexOf(foo2));
   2929   ASSERT_EQ(1, child->GetIndexOf(foo3));
   2930   ASSERT_EQ(2, child->GetIndexOf(foo1));
   2931   ASSERT_EQ(NULL, foo1->GetNextFocusableView());
   2932   ASSERT_EQ(foo3, foo1->GetPreviousFocusableView());
   2933   ASSERT_EQ(foo3, foo2->GetNextFocusableView());
   2934   ASSERT_EQ(foo1, foo3->GetNextFocusableView());
   2935 }
   2936 
   2937 // Verifies that GetViewByID returns the correctly child view from the specified
   2938 // ID.
   2939 // The tree looks like this:
   2940 // v1
   2941 // +-- v2
   2942 //     +-- v3
   2943 //     +-- v4
   2944 TEST_F(ViewTest, GetViewByID) {
   2945   View v1;
   2946   const int kV1ID = 1;
   2947   v1.set_id(kV1ID);
   2948 
   2949   View v2;
   2950   const int kV2ID = 2;
   2951   v2.set_id(kV2ID);
   2952 
   2953   View v3;
   2954   const int kV3ID = 3;
   2955   v3.set_id(kV3ID);
   2956 
   2957   View v4;
   2958   const int kV4ID = 4;
   2959   v4.set_id(kV4ID);
   2960 
   2961   const int kV5ID = 5;
   2962 
   2963   v1.AddChildView(&v2);
   2964   v2.AddChildView(&v3);
   2965   v2.AddChildView(&v4);
   2966 
   2967   EXPECT_EQ(&v1, v1.GetViewByID(kV1ID));
   2968   EXPECT_EQ(&v2, v1.GetViewByID(kV2ID));
   2969   EXPECT_EQ(&v4, v1.GetViewByID(kV4ID));
   2970 
   2971   EXPECT_EQ(NULL, v1.GetViewByID(kV5ID));  // No V5 exists.
   2972   EXPECT_EQ(NULL, v2.GetViewByID(kV1ID));  // It can get only from child views.
   2973 
   2974   const int kGroup = 1;
   2975   v3.SetGroup(kGroup);
   2976   v4.SetGroup(kGroup);
   2977 
   2978   View::Views views;
   2979   v1.GetViewsInGroup(kGroup, &views);
   2980   EXPECT_EQ(2U, views.size());
   2981 
   2982   View::Views::const_iterator i(std::find(views.begin(), views.end(), &v3));
   2983   EXPECT_NE(views.end(), i);
   2984 
   2985   i = std::find(views.begin(), views.end(), &v4);
   2986   EXPECT_NE(views.end(), i);
   2987 }
   2988 
   2989 TEST_F(ViewTest, AddExistingChild) {
   2990   View v1, v2, v3;
   2991 
   2992   v1.AddChildView(&v2);
   2993   v1.AddChildView(&v3);
   2994   EXPECT_EQ(0, v1.GetIndexOf(&v2));
   2995   EXPECT_EQ(1, v1.GetIndexOf(&v3));
   2996 
   2997   // Check that there's no change in order when adding at same index.
   2998   v1.AddChildViewAt(&v2, 0);
   2999   EXPECT_EQ(0, v1.GetIndexOf(&v2));
   3000   EXPECT_EQ(1, v1.GetIndexOf(&v3));
   3001   v1.AddChildViewAt(&v3, 1);
   3002   EXPECT_EQ(0, v1.GetIndexOf(&v2));
   3003   EXPECT_EQ(1, v1.GetIndexOf(&v3));
   3004 
   3005   // Add it at a different index and check for change in order.
   3006   v1.AddChildViewAt(&v2, 1);
   3007   EXPECT_EQ(1, v1.GetIndexOf(&v2));
   3008   EXPECT_EQ(0, v1.GetIndexOf(&v3));
   3009   v1.AddChildViewAt(&v2, 0);
   3010   EXPECT_EQ(0, v1.GetIndexOf(&v2));
   3011   EXPECT_EQ(1, v1.GetIndexOf(&v3));
   3012 
   3013   // Check that calling |AddChildView()| does not change the order.
   3014   v1.AddChildView(&v2);
   3015   EXPECT_EQ(0, v1.GetIndexOf(&v2));
   3016   EXPECT_EQ(1, v1.GetIndexOf(&v3));
   3017   v1.AddChildView(&v3);
   3018   EXPECT_EQ(0, v1.GetIndexOf(&v2));
   3019   EXPECT_EQ(1, v1.GetIndexOf(&v3));
   3020 }
   3021 
   3022 ////////////////////////////////////////////////////////////////////////////////
   3023 // Layers
   3024 ////////////////////////////////////////////////////////////////////////////////
   3025 
   3026 namespace {
   3027 
   3028 // Test implementation of LayerAnimator.
   3029 class TestLayerAnimator : public ui::LayerAnimator {
   3030  public:
   3031   TestLayerAnimator();
   3032 
   3033   const gfx::Rect& last_bounds() const { return last_bounds_; }
   3034 
   3035   // LayerAnimator.
   3036   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
   3037 
   3038  protected:
   3039   virtual ~TestLayerAnimator() { }
   3040 
   3041  private:
   3042   gfx::Rect last_bounds_;
   3043 
   3044   DISALLOW_COPY_AND_ASSIGN(TestLayerAnimator);
   3045 };
   3046 
   3047 TestLayerAnimator::TestLayerAnimator()
   3048     : ui::LayerAnimator(base::TimeDelta::FromMilliseconds(0)) {
   3049 }
   3050 
   3051 void TestLayerAnimator::SetBounds(const gfx::Rect& bounds) {
   3052   last_bounds_ = bounds;
   3053 }
   3054 
   3055 }  // namespace
   3056 
   3057 class ViewLayerTest : public ViewsTestBase {
   3058  public:
   3059   ViewLayerTest() : widget_(NULL) {}
   3060 
   3061   virtual ~ViewLayerTest() {
   3062   }
   3063 
   3064   // Returns the Layer used by the RootView.
   3065   ui::Layer* GetRootLayer() {
   3066     return widget()->GetLayer();
   3067   }
   3068 
   3069   virtual void SetUp() OVERRIDE {
   3070     ViewTest::SetUp();
   3071     widget_ = new Widget;
   3072     Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   3073     params.bounds = gfx::Rect(50, 50, 200, 200);
   3074     widget_->Init(params);
   3075     widget_->Show();
   3076     widget_->GetRootView()->SetBounds(0, 0, 200, 200);
   3077   }
   3078 
   3079   virtual void TearDown() OVERRIDE {
   3080     widget_->CloseNow();
   3081     ViewsTestBase::TearDown();
   3082   }
   3083 
   3084   Widget* widget() { return widget_; }
   3085 
   3086  private:
   3087   Widget* widget_;
   3088 };
   3089 
   3090 
   3091 TEST_F(ViewLayerTest, LayerToggling) {
   3092   // Because we lazily create textures the calls to DrawTree are necessary to
   3093   // ensure we trigger creation of textures.
   3094   ui::Layer* root_layer = widget()->GetLayer();
   3095   View* content_view = new View;
   3096   widget()->SetContentsView(content_view);
   3097 
   3098   // Create v1, give it a bounds and verify everything is set up correctly.
   3099   View* v1 = new View;
   3100   v1->SetPaintToLayer(true);
   3101   EXPECT_TRUE(v1->layer() != NULL);
   3102   v1->SetBoundsRect(gfx::Rect(20, 30, 140, 150));
   3103   content_view->AddChildView(v1);
   3104   ASSERT_TRUE(v1->layer() != NULL);
   3105   EXPECT_EQ(root_layer, v1->layer()->parent());
   3106   EXPECT_EQ(gfx::Rect(20, 30, 140, 150), v1->layer()->bounds());
   3107 
   3108   // Create v2 as a child of v1 and do basic assertion testing.
   3109   View* v2 = new View;
   3110   v1->AddChildView(v2);
   3111   EXPECT_TRUE(v2->layer() == NULL);
   3112   v2->SetBoundsRect(gfx::Rect(10, 20, 30, 40));
   3113   v2->SetPaintToLayer(true);
   3114   ASSERT_TRUE(v2->layer() != NULL);
   3115   EXPECT_EQ(v1->layer(), v2->layer()->parent());
   3116   EXPECT_EQ(gfx::Rect(10, 20, 30, 40), v2->layer()->bounds());
   3117 
   3118   // Turn off v1s layer. v2 should still have a layer but its parent should have
   3119   // changed.
   3120   v1->SetPaintToLayer(false);
   3121   EXPECT_TRUE(v1->layer() == NULL);
   3122   EXPECT_TRUE(v2->layer() != NULL);
   3123   EXPECT_EQ(root_layer, v2->layer()->parent());
   3124   ASSERT_EQ(1u, root_layer->children().size());
   3125   EXPECT_EQ(root_layer->children()[0], v2->layer());
   3126   // The bounds of the layer should have changed to be relative to the root view
   3127   // now.
   3128   EXPECT_EQ(gfx::Rect(30, 50, 30, 40), v2->layer()->bounds());
   3129 
   3130   // Make v1 have a layer again and verify v2s layer is wired up correctly.
   3131   gfx::Transform transform;
   3132   transform.Scale(2.0, 2.0);
   3133   v1->SetTransform(transform);
   3134   EXPECT_TRUE(v1->layer() != NULL);
   3135   EXPECT_TRUE(v2->layer() != NULL);
   3136   EXPECT_EQ(root_layer, v1->layer()->parent());
   3137   EXPECT_EQ(v1->layer(), v2->layer()->parent());
   3138   ASSERT_EQ(1u, root_layer->children().size());
   3139   EXPECT_EQ(root_layer->children()[0], v1->layer());
   3140   ASSERT_EQ(1u, v1->layer()->children().size());
   3141   EXPECT_EQ(v1->layer()->children()[0], v2->layer());
   3142   EXPECT_EQ(gfx::Rect(10, 20, 30, 40), v2->layer()->bounds());
   3143 }
   3144 
   3145 // Verifies turning on a layer wires up children correctly.
   3146 TEST_F(ViewLayerTest, NestedLayerToggling) {
   3147   View* content_view = new View;
   3148   widget()->SetContentsView(content_view);
   3149 
   3150   // Create v1, give it a bounds and verify everything is set up correctly.
   3151   View* v1 = new View;
   3152   content_view->AddChildView(v1);
   3153   v1->SetBoundsRect(gfx::Rect(20, 30, 140, 150));
   3154 
   3155   View* v2 = new View;
   3156   v1->AddChildView(v2);
   3157 
   3158   View* v3 = new View;
   3159   v3->SetPaintToLayer(true);
   3160   v2->AddChildView(v3);
   3161   ASSERT_TRUE(v3->layer() != NULL);
   3162 
   3163   // At this point we have v1-v2-v3. v3 has a layer, v1 and v2 don't.
   3164 
   3165   v1->SetPaintToLayer(true);
   3166   EXPECT_EQ(v1->layer(), v3->layer()->parent());
   3167 }
   3168 
   3169 TEST_F(ViewLayerTest, LayerAnimator) {
   3170   View* content_view = new View;
   3171   widget()->SetContentsView(content_view);
   3172 
   3173   View* v1 = new View;
   3174   content_view->AddChildView(v1);
   3175   v1->SetPaintToLayer(true);
   3176   EXPECT_TRUE(v1->layer() != NULL);
   3177 
   3178   TestLayerAnimator* animator = new TestLayerAnimator();
   3179   v1->layer()->SetAnimator(animator);
   3180 
   3181   gfx::Rect bounds(1, 2, 3, 4);
   3182   v1->SetBoundsRect(bounds);
   3183   EXPECT_EQ(bounds, animator->last_bounds());
   3184   // TestLayerAnimator doesn't update the layer.
   3185   EXPECT_NE(bounds, v1->layer()->bounds());
   3186 }
   3187 
   3188 // Verifies the bounds of a layer are updated if the bounds of ancestor that
   3189 // doesn't have a layer change.
   3190 TEST_F(ViewLayerTest, BoundsChangeWithLayer) {
   3191   View* content_view = new View;
   3192   widget()->SetContentsView(content_view);
   3193 
   3194   View* v1 = new View;
   3195   content_view->AddChildView(v1);
   3196   v1->SetBoundsRect(gfx::Rect(20, 30, 140, 150));
   3197 
   3198   View* v2 = new View;
   3199   v2->SetBoundsRect(gfx::Rect(10, 11, 40, 50));
   3200   v1->AddChildView(v2);
   3201   v2->SetPaintToLayer(true);
   3202   ASSERT_TRUE(v2->layer() != NULL);
   3203   EXPECT_EQ(gfx::Rect(30, 41, 40, 50), v2->layer()->bounds());
   3204 
   3205   v1->SetPosition(gfx::Point(25, 36));
   3206   EXPECT_EQ(gfx::Rect(35, 47, 40, 50), v2->layer()->bounds());
   3207 
   3208   v2->SetPosition(gfx::Point(11, 12));
   3209   EXPECT_EQ(gfx::Rect(36, 48, 40, 50), v2->layer()->bounds());
   3210 
   3211   // Bounds of the layer should change even if the view is not invisible.
   3212   v1->SetVisible(false);
   3213   v1->SetPosition(gfx::Point(20, 30));
   3214   EXPECT_EQ(gfx::Rect(31, 42, 40, 50), v2->layer()->bounds());
   3215 
   3216   v2->SetVisible(false);
   3217   v2->SetBoundsRect(gfx::Rect(10, 11, 20, 30));
   3218   EXPECT_EQ(gfx::Rect(30, 41, 20, 30), v2->layer()->bounds());
   3219 }
   3220 
   3221 // Make sure layers are positioned correctly in RTL.
   3222 TEST_F(ViewLayerTest, BoundInRTL) {
   3223   std::string locale = l10n_util::GetApplicationLocale(std::string());
   3224   base::i18n::SetICUDefaultLocale("he");
   3225 
   3226   View* view = new View;
   3227   widget()->SetContentsView(view);
   3228 
   3229   int content_width = view->width();
   3230 
   3231   // |v1| is initially not attached to anything. So its layer will have the same
   3232   // bounds as the view.
   3233   View* v1 = new View;
   3234   v1->SetPaintToLayer(true);
   3235   v1->SetBounds(10, 10, 20, 10);
   3236   EXPECT_EQ(gfx::Rect(10, 10, 20, 10),
   3237             v1->layer()->bounds());
   3238 
   3239   // Once |v1| is attached to the widget, its layer will get RTL-appropriate
   3240   // bounds.
   3241   view->AddChildView(v1);
   3242   EXPECT_EQ(gfx::Rect(content_width - 30, 10, 20, 10),
   3243             v1->layer()->bounds());
   3244   gfx::Rect l1bounds = v1->layer()->bounds();
   3245 
   3246   // Now attach a View to the widget first, then create a layer for it. Make
   3247   // sure the bounds are correct.
   3248   View* v2 = new View;
   3249   v2->SetBounds(50, 10, 30, 10);
   3250   EXPECT_FALSE(v2->layer());
   3251   view->AddChildView(v2);
   3252   v2->SetPaintToLayer(true);
   3253   EXPECT_EQ(gfx::Rect(content_width - 80, 10, 30, 10),
   3254             v2->layer()->bounds());
   3255   gfx::Rect l2bounds = v2->layer()->bounds();
   3256 
   3257   view->SetPaintToLayer(true);
   3258   EXPECT_EQ(l1bounds, v1->layer()->bounds());
   3259   EXPECT_EQ(l2bounds, v2->layer()->bounds());
   3260 
   3261   // Move one of the views. Make sure the layer is positioned correctly
   3262   // afterwards.
   3263   v1->SetBounds(v1->x() - 5, v1->y(), v1->width(), v1->height());
   3264   l1bounds.set_x(l1bounds.x() + 5);
   3265   EXPECT_EQ(l1bounds, v1->layer()->bounds());
   3266 
   3267   view->SetPaintToLayer(false);
   3268   EXPECT_EQ(l1bounds, v1->layer()->bounds());
   3269   EXPECT_EQ(l2bounds, v2->layer()->bounds());
   3270 
   3271   // Move a view again.
   3272   v2->SetBounds(v2->x() + 5, v2->y(), v2->width(), v2->height());
   3273   l2bounds.set_x(l2bounds.x() - 5);
   3274   EXPECT_EQ(l2bounds, v2->layer()->bounds());
   3275 
   3276   // Reset locale.
   3277   base::i18n::SetICUDefaultLocale(locale);
   3278 }
   3279 
   3280 // Makes sure a transform persists after toggling the visibility.
   3281 TEST_F(ViewLayerTest, ToggleVisibilityWithTransform) {
   3282   View* view = new View;
   3283   gfx::Transform transform;
   3284   transform.Scale(2.0, 2.0);
   3285   view->SetTransform(transform);
   3286   widget()->SetContentsView(view);
   3287   EXPECT_EQ(2.0f, view->GetTransform().matrix().get(0, 0));
   3288 
   3289   view->SetVisible(false);
   3290   EXPECT_EQ(2.0f, view->GetTransform().matrix().get(0, 0));
   3291 
   3292   view->SetVisible(true);
   3293   EXPECT_EQ(2.0f, view->GetTransform().matrix().get(0, 0));
   3294 }
   3295 
   3296 // Verifies a transform persists after removing/adding a view with a transform.
   3297 TEST_F(ViewLayerTest, ResetTransformOnLayerAfterAdd) {
   3298   View* view = new View;
   3299   gfx::Transform transform;
   3300   transform.Scale(2.0, 2.0);
   3301   view->SetTransform(transform);
   3302   widget()->SetContentsView(view);
   3303   EXPECT_EQ(2.0f, view->GetTransform().matrix().get(0, 0));
   3304   ASSERT_TRUE(view->layer() != NULL);
   3305   EXPECT_EQ(2.0f, view->layer()->transform().matrix().get(0, 0));
   3306 
   3307   View* parent = view->parent();
   3308   parent->RemoveChildView(view);
   3309   parent->AddChildView(view);
   3310 
   3311   EXPECT_EQ(2.0f, view->GetTransform().matrix().get(0, 0));
   3312   ASSERT_TRUE(view->layer() != NULL);
   3313   EXPECT_EQ(2.0f, view->layer()->transform().matrix().get(0, 0));
   3314 }
   3315 
   3316 // Makes sure that layer visibility is correct after toggling View visibility.
   3317 TEST_F(ViewLayerTest, ToggleVisibilityWithLayer) {
   3318   View* content_view = new View;
   3319   widget()->SetContentsView(content_view);
   3320 
   3321   // The view isn't attached to a widget or a parent view yet. But it should
   3322   // still have a layer, but the layer should not be attached to the root
   3323   // layer.
   3324   View* v1 = new View;
   3325   v1->SetPaintToLayer(true);
   3326   EXPECT_TRUE(v1->layer());
   3327   EXPECT_FALSE(LayerIsAncestor(widget()->GetCompositor()->root_layer(),
   3328                                v1->layer()));
   3329 
   3330   // Once the view is attached to a widget, its layer should be attached to the
   3331   // root layer and visible.
   3332   content_view->AddChildView(v1);
   3333   EXPECT_TRUE(LayerIsAncestor(widget()->GetCompositor()->root_layer(),
   3334                               v1->layer()));
   3335   EXPECT_TRUE(v1->layer()->IsDrawn());
   3336 
   3337   v1->SetVisible(false);
   3338   EXPECT_FALSE(v1->layer()->IsDrawn());
   3339 
   3340   v1->SetVisible(true);
   3341   EXPECT_TRUE(v1->layer()->IsDrawn());
   3342 
   3343   widget()->Hide();
   3344   EXPECT_FALSE(v1->layer()->IsDrawn());
   3345 
   3346   widget()->Show();
   3347   EXPECT_TRUE(v1->layer()->IsDrawn());
   3348 }
   3349 
   3350 // Tests that the layers in the subtree are orphaned after a View is removed
   3351 // from the parent.
   3352 TEST_F(ViewLayerTest, OrphanLayerAfterViewRemove) {
   3353   View* content_view = new View;
   3354   widget()->SetContentsView(content_view);
   3355 
   3356   View* v1 = new View;
   3357   content_view->AddChildView(v1);
   3358 
   3359   View* v2 = new View;
   3360   v1->AddChildView(v2);
   3361   v2->SetPaintToLayer(true);
   3362   EXPECT_TRUE(LayerIsAncestor(widget()->GetCompositor()->root_layer(),
   3363                               v2->layer()));
   3364   EXPECT_TRUE(v2->layer()->IsDrawn());
   3365 
   3366   content_view->RemoveChildView(v1);
   3367 
   3368   EXPECT_FALSE(LayerIsAncestor(widget()->GetCompositor()->root_layer(),
   3369                                v2->layer()));
   3370 
   3371   // Reparent |v2|.
   3372   content_view->AddChildView(v2);
   3373   delete v1;
   3374   v1 = NULL;
   3375   EXPECT_TRUE(LayerIsAncestor(widget()->GetCompositor()->root_layer(),
   3376                               v2->layer()));
   3377   EXPECT_TRUE(v2->layer()->IsDrawn());
   3378 }
   3379 
   3380 class PaintTrackingView : public View {
   3381  public:
   3382   PaintTrackingView() : painted_(false) {
   3383   }
   3384 
   3385   bool painted() const { return painted_; }
   3386   void set_painted(bool value) { painted_ = value; }
   3387 
   3388   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {
   3389     painted_ = true;
   3390   }
   3391 
   3392  private:
   3393   bool painted_;
   3394 
   3395   DISALLOW_COPY_AND_ASSIGN(PaintTrackingView);
   3396 };
   3397 
   3398 // Makes sure child views with layers aren't painted when paint starts at an
   3399 // ancestor.
   3400 TEST_F(ViewLayerTest, DontPaintChildrenWithLayers) {
   3401   PaintTrackingView* content_view = new PaintTrackingView;
   3402   widget()->SetContentsView(content_view);
   3403   content_view->SetPaintToLayer(true);
   3404   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3405   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3406   GetRootLayer()->SchedulePaint(gfx::Rect(0, 0, 10, 10));
   3407   content_view->set_painted(false);
   3408   // content_view no longer has a dirty rect. Paint from the root and make sure
   3409   // PaintTrackingView isn't painted.
   3410   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3411   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3412   EXPECT_FALSE(content_view->painted());
   3413 
   3414   // Make content_view have a dirty rect, paint the layers and make sure
   3415   // PaintTrackingView is painted.
   3416   content_view->layer()->SchedulePaint(gfx::Rect(0, 0, 10, 10));
   3417   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3418   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3419   EXPECT_TRUE(content_view->painted());
   3420 }
   3421 
   3422 // Tests that the visibility of child layers are updated correctly when a View's
   3423 // visibility changes.
   3424 TEST_F(ViewLayerTest, VisibilityChildLayers) {
   3425   View* v1 = new View;
   3426   v1->SetPaintToLayer(true);
   3427   widget()->SetContentsView(v1);
   3428 
   3429   View* v2 = new View;
   3430   v1->AddChildView(v2);
   3431 
   3432   View* v3 = new View;
   3433   v2->AddChildView(v3);
   3434   v3->SetVisible(false);
   3435 
   3436   View* v4 = new View;
   3437   v4->SetPaintToLayer(true);
   3438   v3->AddChildView(v4);
   3439 
   3440   EXPECT_TRUE(v1->layer()->IsDrawn());
   3441   EXPECT_FALSE(v4->layer()->IsDrawn());
   3442 
   3443   v2->SetVisible(false);
   3444   EXPECT_TRUE(v1->layer()->IsDrawn());
   3445   EXPECT_FALSE(v4->layer()->IsDrawn());
   3446 
   3447   v2->SetVisible(true);
   3448   EXPECT_TRUE(v1->layer()->IsDrawn());
   3449   EXPECT_FALSE(v4->layer()->IsDrawn());
   3450 
   3451   v2->SetVisible(false);
   3452   EXPECT_TRUE(v1->layer()->IsDrawn());
   3453   EXPECT_FALSE(v4->layer()->IsDrawn());
   3454   EXPECT_TRUE(ViewAndLayerTreeAreConsistent(v1, v1->layer()));
   3455 
   3456   v3->SetVisible(true);
   3457   EXPECT_TRUE(v1->layer()->IsDrawn());
   3458   EXPECT_FALSE(v4->layer()->IsDrawn());
   3459   EXPECT_TRUE(ViewAndLayerTreeAreConsistent(v1, v1->layer()));
   3460 
   3461   // Reparent |v3| to |v1|.
   3462   v1->AddChildView(v3);
   3463   EXPECT_TRUE(v1->layer()->IsDrawn());
   3464   EXPECT_TRUE(v4->layer()->IsDrawn());
   3465   EXPECT_TRUE(ViewAndLayerTreeAreConsistent(v1, v1->layer()));
   3466 }
   3467 
   3468 // This test creates a random View tree, and then randomly reorders child views,
   3469 // reparents views etc. Unrelated changes can appear to break this test. So
   3470 // marking this as FLAKY.
   3471 TEST_F(ViewLayerTest, DISABLED_ViewLayerTreesInSync) {
   3472   View* content = new View;
   3473   content->SetPaintToLayer(true);
   3474   widget()->SetContentsView(content);
   3475   widget()->Show();
   3476 
   3477   ConstructTree(content, 5);
   3478   EXPECT_TRUE(ViewAndLayerTreeAreConsistent(content, content->layer()));
   3479 
   3480   ScrambleTree(content);
   3481   EXPECT_TRUE(ViewAndLayerTreeAreConsistent(content, content->layer()));
   3482 
   3483   ScrambleTree(content);
   3484   EXPECT_TRUE(ViewAndLayerTreeAreConsistent(content, content->layer()));
   3485 
   3486   ScrambleTree(content);
   3487   EXPECT_TRUE(ViewAndLayerTreeAreConsistent(content, content->layer()));
   3488 }
   3489 
   3490 // Verifies when views are reordered the layer is also reordered. The widget is
   3491 // providing the parent layer.
   3492 TEST_F(ViewLayerTest, ReorderUnderWidget) {
   3493   View* content = new View;
   3494   widget()->SetContentsView(content);
   3495   View* c1 = new View;
   3496   c1->SetPaintToLayer(true);
   3497   content->AddChildView(c1);
   3498   View* c2 = new View;
   3499   c2->SetPaintToLayer(true);
   3500   content->AddChildView(c2);
   3501 
   3502   ui::Layer* parent_layer = c1->layer()->parent();
   3503   ASSERT_TRUE(parent_layer);
   3504   ASSERT_EQ(2u, parent_layer->children().size());
   3505   EXPECT_EQ(c1->layer(), parent_layer->children()[0]);
   3506   EXPECT_EQ(c2->layer(), parent_layer->children()[1]);
   3507 
   3508   // Move c1 to the front. The layers should have moved too.
   3509   content->ReorderChildView(c1, -1);
   3510   EXPECT_EQ(c1->layer(), parent_layer->children()[1]);
   3511   EXPECT_EQ(c2->layer(), parent_layer->children()[0]);
   3512 }
   3513 
   3514 // Verifies that the layer of a view can be acquired properly.
   3515 TEST_F(ViewLayerTest, AcquireLayer) {
   3516   View* content = new View;
   3517   widget()->SetContentsView(content);
   3518   scoped_ptr<View> c1(new View);
   3519   c1->SetPaintToLayer(true);
   3520   EXPECT_TRUE(c1->layer());
   3521   content->AddChildView(c1.get());
   3522 
   3523   scoped_ptr<ui::Layer> layer(c1->AcquireLayer());
   3524   EXPECT_EQ(layer.get(), c1->layer());
   3525 
   3526   scoped_ptr<ui::Layer> layer2(c1->RecreateLayer());
   3527   EXPECT_NE(c1->layer(), layer2.get());
   3528 
   3529   // Destroy view before destroying layer.
   3530   c1.reset();
   3531 }
   3532 
   3533 // Verify the z-order of the layers as a result of calling RecreateLayer().
   3534 TEST_F(ViewLayerTest, RecreateLayerZOrder) {
   3535   scoped_ptr<View> v(new View());
   3536   v->SetPaintToLayer(true);
   3537 
   3538   View* v1 = new View();
   3539   v1->SetPaintToLayer(true);
   3540   v->AddChildView(v1);
   3541   View* v2 = new View();
   3542   v2->SetPaintToLayer(true);
   3543   v->AddChildView(v2);
   3544 
   3545   // Test the initial z-order.
   3546   const std::vector<ui::Layer*>& child_layers_pre = v->layer()->children();
   3547   ASSERT_EQ(2u, child_layers_pre.size());
   3548   EXPECT_EQ(v1->layer(), child_layers_pre[0]);
   3549   EXPECT_EQ(v2->layer(), child_layers_pre[1]);
   3550 
   3551   scoped_ptr<ui::Layer> v1_old_layer(v1->RecreateLayer());
   3552 
   3553   // Test the new layer order. We expect: |v1| |v1_old_layer| |v2|.
   3554   // for |v1| and |v2|.
   3555   const std::vector<ui::Layer*>& child_layers_post = v->layer()->children();
   3556   ASSERT_EQ(3u, child_layers_post.size());
   3557   EXPECT_EQ(v1->layer(), child_layers_post[0]);
   3558   EXPECT_EQ(v1_old_layer, child_layers_post[1]);
   3559   EXPECT_EQ(v2->layer(), child_layers_post[2]);
   3560 }
   3561 
   3562 // Verify the z-order of the layers as a result of calling RecreateLayer when
   3563 // the widget is the parent with the layer.
   3564 TEST_F(ViewLayerTest, RecreateLayerZOrderWidgetParent) {
   3565   View* v = new View();
   3566   widget()->SetContentsView(v);
   3567 
   3568   View* v1 = new View();
   3569   v1->SetPaintToLayer(true);
   3570   v->AddChildView(v1);
   3571   View* v2 = new View();
   3572   v2->SetPaintToLayer(true);
   3573   v->AddChildView(v2);
   3574 
   3575   ui::Layer* root_layer = GetRootLayer();
   3576 
   3577   // Test the initial z-order.
   3578   const std::vector<ui::Layer*>& child_layers_pre = root_layer->children();
   3579   ASSERT_EQ(2u, child_layers_pre.size());
   3580   EXPECT_EQ(v1->layer(), child_layers_pre[0]);
   3581   EXPECT_EQ(v2->layer(), child_layers_pre[1]);
   3582 
   3583   scoped_ptr<ui::Layer> v1_old_layer(v1->RecreateLayer());
   3584 
   3585   // Test the new layer order. We expect: |v1| |v1_old_layer| |v2|.
   3586   const std::vector<ui::Layer*>& child_layers_post = root_layer->children();
   3587   ASSERT_EQ(3u, child_layers_post.size());
   3588   EXPECT_EQ(v1->layer(), child_layers_post[0]);
   3589   EXPECT_EQ(v1_old_layer, child_layers_post[1]);
   3590   EXPECT_EQ(v2->layer(), child_layers_post[2]);
   3591 }
   3592 
   3593 // Verifies RecreateLayer() moves all Layers over, even those that don't have
   3594 // a View.
   3595 TEST_F(ViewLayerTest, RecreateLayerMovesNonViewChildren) {
   3596   View v;
   3597   v.SetPaintToLayer(true);
   3598   View child;
   3599   child.SetPaintToLayer(true);
   3600   v.AddChildView(&child);
   3601   ASSERT_TRUE(v.layer() != NULL);
   3602   ASSERT_EQ(1u, v.layer()->children().size());
   3603   EXPECT_EQ(v.layer()->children()[0], child.layer());
   3604 
   3605   ui::Layer layer(ui::LAYER_NOT_DRAWN);
   3606   v.layer()->Add(&layer);
   3607   v.layer()->StackAtBottom(&layer);
   3608 
   3609   scoped_ptr<ui::Layer> old_layer(v.RecreateLayer());
   3610 
   3611   // All children should be moved from old layer to new layer.
   3612   ASSERT_TRUE(old_layer.get() != NULL);
   3613   EXPECT_TRUE(old_layer->children().empty());
   3614 
   3615   // And new layer should have the two children.
   3616   ASSERT_TRUE(v.layer() != NULL);
   3617   ASSERT_EQ(2u, v.layer()->children().size());
   3618   EXPECT_EQ(v.layer()->children()[0], &layer);
   3619   EXPECT_EQ(v.layer()->children()[1], child.layer());
   3620 }
   3621 
   3622 class BoundsTreeTestView : public View {
   3623  public:
   3624   BoundsTreeTestView() {}
   3625 
   3626   virtual void PaintChildren(gfx::Canvas* canvas,
   3627                              const CullSet& cull_set) OVERRIDE {
   3628     // Save out a copy of the cull_set before calling the base implementation.
   3629     last_cull_set_.clear();
   3630     if (cull_set.cull_set_) {
   3631       for (base::hash_set<intptr_t>::iterator it = cull_set.cull_set_->begin();
   3632            it != cull_set.cull_set_->end();
   3633            ++it) {
   3634         last_cull_set_.insert(reinterpret_cast<View*>(*it));
   3635       }
   3636     }
   3637     View::PaintChildren(canvas, cull_set);
   3638   }
   3639 
   3640   std::set<View*> last_cull_set_;
   3641 };
   3642 
   3643 TEST_F(ViewLayerTest, BoundsTreePaintUpdatesCullSet) {
   3644   BoundsTreeTestView* test_view = new BoundsTreeTestView;
   3645   widget()->SetContentsView(test_view);
   3646 
   3647   View* v1 = new View();
   3648   v1->SetBoundsRect(gfx::Rect(10, 15, 150, 151));
   3649   test_view->AddChildView(v1);
   3650 
   3651   View* v2 = new View();
   3652   v2->SetBoundsRect(gfx::Rect(20, 33, 40, 50));
   3653   v1->AddChildView(v2);
   3654 
   3655   // Schedule a full-view paint to get everyone's rectangles updated.
   3656   test_view->SchedulePaintInRect(test_view->bounds());
   3657   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3658   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3659 
   3660   // Now we have test_view - v1 - v2. Damage to only test_view should only
   3661   // return root_view and test_view.
   3662   test_view->SchedulePaintInRect(gfx::Rect(0, 0, 1, 1));
   3663   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3664   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3665   EXPECT_EQ(2U, test_view->last_cull_set_.size());
   3666   EXPECT_EQ(1U, test_view->last_cull_set_.count(widget()->GetRootView()));
   3667   EXPECT_EQ(1U, test_view->last_cull_set_.count(test_view));
   3668 
   3669   // Damage to v1 only should only return root_view, test_view, and v1.
   3670   test_view->SchedulePaintInRect(gfx::Rect(11, 16, 1, 1));
   3671   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3672   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3673   EXPECT_EQ(3U, test_view->last_cull_set_.size());
   3674   EXPECT_EQ(1U, test_view->last_cull_set_.count(widget()->GetRootView()));
   3675   EXPECT_EQ(1U, test_view->last_cull_set_.count(test_view));
   3676   EXPECT_EQ(1U, test_view->last_cull_set_.count(v1));
   3677 
   3678   // A Damage rect inside v2 should get all 3 views back in the |last_cull_set_|
   3679   // on call to TestView::Paint(), along with the widget root view.
   3680   test_view->SchedulePaintInRect(gfx::Rect(31, 49, 1, 1));
   3681   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3682   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3683   EXPECT_EQ(4U, test_view->last_cull_set_.size());
   3684   EXPECT_EQ(1U, test_view->last_cull_set_.count(widget()->GetRootView()));
   3685   EXPECT_EQ(1U, test_view->last_cull_set_.count(test_view));
   3686   EXPECT_EQ(1U, test_view->last_cull_set_.count(v1));
   3687   EXPECT_EQ(1U, test_view->last_cull_set_.count(v2));
   3688 }
   3689 
   3690 TEST_F(ViewLayerTest, BoundsTreeWithRTL) {
   3691   std::string locale = l10n_util::GetApplicationLocale(std::string());
   3692   base::i18n::SetICUDefaultLocale("ar");
   3693 
   3694   BoundsTreeTestView* test_view = new BoundsTreeTestView;
   3695   widget()->SetContentsView(test_view);
   3696 
   3697   // Add child views, which should be in RTL coordinate space of parent view.
   3698   View* v1 = new View;
   3699   v1->SetBoundsRect(gfx::Rect(10, 12, 25, 26));
   3700   test_view->AddChildView(v1);
   3701 
   3702   View* v2 = new View;
   3703   v2->SetBoundsRect(gfx::Rect(5, 6, 7, 8));
   3704   v1->AddChildView(v2);
   3705 
   3706   // Schedule a full-view paint to get everyone's rectangles updated.
   3707   test_view->SchedulePaintInRect(test_view->bounds());
   3708   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3709   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3710 
   3711   // Damage to the right side of the parent view should touch both child views.
   3712   gfx::Rect rtl_damage(test_view->bounds().width() - 16, 18, 1, 1);
   3713   test_view->SchedulePaintInRect(rtl_damage);
   3714   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3715   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3716   EXPECT_EQ(4U, test_view->last_cull_set_.size());
   3717   EXPECT_EQ(1U, test_view->last_cull_set_.count(widget()->GetRootView()));
   3718   EXPECT_EQ(1U, test_view->last_cull_set_.count(test_view));
   3719   EXPECT_EQ(1U, test_view->last_cull_set_.count(v1));
   3720   EXPECT_EQ(1U, test_view->last_cull_set_.count(v2));
   3721 
   3722   // Damage to the left side of the parent view should only touch the
   3723   // container views.
   3724   gfx::Rect ltr_damage(16, 18, 1, 1);
   3725   test_view->SchedulePaintInRect(ltr_damage);
   3726   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3727   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3728   EXPECT_EQ(2U, test_view->last_cull_set_.size());
   3729   EXPECT_EQ(1U, test_view->last_cull_set_.count(widget()->GetRootView()));
   3730   EXPECT_EQ(1U, test_view->last_cull_set_.count(test_view));
   3731 
   3732   // Reset locale.
   3733   base::i18n::SetICUDefaultLocale(locale);
   3734 }
   3735 
   3736 TEST_F(ViewLayerTest, BoundsTreeSetBoundsChangesCullSet) {
   3737   BoundsTreeTestView* test_view = new BoundsTreeTestView;
   3738   widget()->SetContentsView(test_view);
   3739 
   3740   View* v1 = new View;
   3741   v1->SetBoundsRect(gfx::Rect(5, 6, 100, 101));
   3742   test_view->AddChildView(v1);
   3743 
   3744   View* v2 = new View;
   3745   v2->SetBoundsRect(gfx::Rect(20, 33, 40, 50));
   3746   v1->AddChildView(v2);
   3747 
   3748   // Schedule a full-view paint to get everyone's rectangles updated.
   3749   test_view->SchedulePaintInRect(test_view->bounds());
   3750   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3751   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3752 
   3753   // Move v1 to a new origin out of the way of our next query.
   3754   v1->SetBoundsRect(gfx::Rect(50, 60, 100, 101));
   3755   // The move will force a repaint.
   3756   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3757   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3758 
   3759   // Schedule a paint with damage rect where v1 used to be.
   3760   test_view->SchedulePaintInRect(gfx::Rect(5, 6, 10, 11));
   3761   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3762   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3763 
   3764   // Should only have picked up root_view and test_view.
   3765   EXPECT_EQ(2U, test_view->last_cull_set_.size());
   3766   EXPECT_EQ(1U, test_view->last_cull_set_.count(widget()->GetRootView()));
   3767   EXPECT_EQ(1U, test_view->last_cull_set_.count(test_view));
   3768 }
   3769 
   3770 TEST_F(ViewLayerTest, BoundsTreeLayerChangeMakesNewTree) {
   3771   BoundsTreeTestView* test_view = new BoundsTreeTestView;
   3772   widget()->SetContentsView(test_view);
   3773 
   3774   View* v1 = new View;
   3775   v1->SetBoundsRect(gfx::Rect(5, 10, 15, 20));
   3776   test_view->AddChildView(v1);
   3777 
   3778   View* v2 = new View;
   3779   v2->SetBoundsRect(gfx::Rect(1, 2, 3, 4));
   3780   v1->AddChildView(v2);
   3781 
   3782   // Schedule a full-view paint to get everyone's rectangles updated.
   3783   test_view->SchedulePaintInRect(test_view->bounds());
   3784   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3785   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3786 
   3787   // Set v1 to paint to its own layer, it should remove itself from the
   3788   // test_view heiarchy and no longer intersect with damage rects in that cull
   3789   // set.
   3790   v1->SetPaintToLayer(true);
   3791 
   3792   // Schedule another full-view paint.
   3793   test_view->SchedulePaintInRect(test_view->bounds());
   3794   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3795   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3796   // v1 and v2 should no longer be present in the test_view cull_set.
   3797   EXPECT_EQ(2U, test_view->last_cull_set_.size());
   3798   EXPECT_EQ(0U, test_view->last_cull_set_.count(v1));
   3799   EXPECT_EQ(0U, test_view->last_cull_set_.count(v2));
   3800 
   3801   // Now set v1 back to not painting to a layer.
   3802   v1->SetPaintToLayer(false);
   3803   // Schedule another full-view paint.
   3804   test_view->SchedulePaintInRect(test_view->bounds());
   3805   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3806   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3807   // We should be back to the full cull set including v1 and v2.
   3808   EXPECT_EQ(4U, test_view->last_cull_set_.size());
   3809   EXPECT_EQ(1U, test_view->last_cull_set_.count(widget()->GetRootView()));
   3810   EXPECT_EQ(1U, test_view->last_cull_set_.count(test_view));
   3811   EXPECT_EQ(1U, test_view->last_cull_set_.count(v1));
   3812   EXPECT_EQ(1U, test_view->last_cull_set_.count(v2));
   3813 }
   3814 
   3815 TEST_F(ViewLayerTest, BoundsTreeRemoveChildRemovesBounds) {
   3816   BoundsTreeTestView* test_view = new BoundsTreeTestView;
   3817   widget()->SetContentsView(test_view);
   3818 
   3819   View* v1 = new View;
   3820   v1->SetBoundsRect(gfx::Rect(5, 10, 15, 20));
   3821   test_view->AddChildView(v1);
   3822 
   3823   View* v2 = new View;
   3824   v2->SetBoundsRect(gfx::Rect(1, 2, 3, 4));
   3825   v1->AddChildView(v2);
   3826 
   3827   // Schedule a full-view paint to get everyone's rectangles updated.
   3828   test_view->SchedulePaintInRect(test_view->bounds());
   3829   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3830   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3831 
   3832   // Now remove v1 from the root view.
   3833   test_view->RemoveChildView(v1);
   3834 
   3835   // Schedule another full-view paint.
   3836   test_view->SchedulePaintInRect(test_view->bounds());
   3837   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3838   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3839   // v1 and v2 should no longer be present in the test_view cull_set.
   3840   EXPECT_EQ(2U, test_view->last_cull_set_.size());
   3841   EXPECT_EQ(0U, test_view->last_cull_set_.count(v1));
   3842   EXPECT_EQ(0U, test_view->last_cull_set_.count(v2));
   3843 
   3844   // View v1 and v2 are no longer part of view hierarchy and therefore won't be
   3845   // deleted with that hierarchy.
   3846   delete v1;
   3847 }
   3848 
   3849 TEST_F(ViewLayerTest, BoundsTreeMoveViewMovesBounds) {
   3850   BoundsTreeTestView* test_view = new BoundsTreeTestView;
   3851   widget()->SetContentsView(test_view);
   3852 
   3853   // Build hierarchy v1 - v2 - v3.
   3854   View* v1 = new View;
   3855   v1->SetBoundsRect(gfx::Rect(20, 30, 150, 160));
   3856   test_view->AddChildView(v1);
   3857 
   3858   View* v2 = new View;
   3859   v2->SetBoundsRect(gfx::Rect(5, 10, 40, 50));
   3860   v1->AddChildView(v2);
   3861 
   3862   View* v3 = new View;
   3863   v3->SetBoundsRect(gfx::Rect(1, 2, 3, 4));
   3864   v2->AddChildView(v3);
   3865 
   3866   // Schedule a full-view paint and ensure all views are present in the cull.
   3867   test_view->SchedulePaintInRect(test_view->bounds());
   3868   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3869   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3870   EXPECT_EQ(5U, test_view->last_cull_set_.size());
   3871   EXPECT_EQ(1U, test_view->last_cull_set_.count(widget()->GetRootView()));
   3872   EXPECT_EQ(1U, test_view->last_cull_set_.count(test_view));
   3873   EXPECT_EQ(1U, test_view->last_cull_set_.count(v1));
   3874   EXPECT_EQ(1U, test_view->last_cull_set_.count(v2));
   3875   EXPECT_EQ(1U, test_view->last_cull_set_.count(v3));
   3876 
   3877   // Build an unrelated view hierarchy and move v2 in to it.
   3878   scoped_ptr<Widget> test_widget(new Widget);
   3879   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
   3880   params.bounds = gfx::Rect(10, 10, 500, 500);
   3881   params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   3882   test_widget->Init(params);
   3883   test_widget->Show();
   3884   BoundsTreeTestView* widget_view = new BoundsTreeTestView;
   3885   test_widget->SetContentsView(widget_view);
   3886   widget_view->AddChildView(v2);
   3887 
   3888   // Now schedule full-view paints in both widgets.
   3889   test_view->SchedulePaintInRect(test_view->bounds());
   3890   widget_view->SchedulePaintInRect(widget_view->bounds());
   3891   GetRootLayer()->GetCompositor()->ScheduleDraw();
   3892   ui::DrawWaiterForTest::Wait(GetRootLayer()->GetCompositor());
   3893 
   3894   // Only v1 should be present in the first cull set.
   3895   EXPECT_EQ(3U, test_view->last_cull_set_.size());
   3896   EXPECT_EQ(1U, test_view->last_cull_set_.count(widget()->GetRootView()));
   3897   EXPECT_EQ(1U, test_view->last_cull_set_.count(test_view));
   3898   EXPECT_EQ(1U, test_view->last_cull_set_.count(v1));
   3899 
   3900   // We should find v2 and v3 in the widget_view cull_set.
   3901   EXPECT_EQ(4U, widget_view->last_cull_set_.size());
   3902   EXPECT_EQ(1U, widget_view->last_cull_set_.count(test_widget->GetRootView()));
   3903   EXPECT_EQ(1U, widget_view->last_cull_set_.count(widget_view));
   3904   EXPECT_EQ(1U, widget_view->last_cull_set_.count(v2));
   3905   EXPECT_EQ(1U, widget_view->last_cull_set_.count(v3));
   3906 }
   3907 
   3908 TEST_F(ViewTest, FocusableAssertions) {
   3909   // View subclasses may change insets based on whether they are focusable,
   3910   // which effects the preferred size. To avoid preferred size changing around
   3911   // these Views need to key off the last value set to SetFocusable(), not
   3912   // whether the View is focusable right now. For this reason it's important
   3913   // that focusable() return the last value passed to SetFocusable and not
   3914   // whether the View is focusable right now.
   3915   TestView view;
   3916   view.SetFocusable(true);
   3917   EXPECT_TRUE(view.focusable());
   3918   view.SetEnabled(false);
   3919   EXPECT_TRUE(view.focusable());
   3920   view.SetFocusable(false);
   3921   EXPECT_FALSE(view.focusable());
   3922 }
   3923 
   3924 // Verifies when a view is deleted it is removed from ViewStorage.
   3925 TEST_F(ViewTest, UpdateViewStorageOnDelete) {
   3926   ViewStorage* view_storage = ViewStorage::GetInstance();
   3927   const int storage_id = view_storage->CreateStorageID();
   3928   {
   3929     View view;
   3930     view_storage->StoreView(storage_id, &view);
   3931   }
   3932   EXPECT_TRUE(view_storage->RetrieveView(storage_id) == NULL);
   3933 }
   3934 
   3935 ////////////////////////////////////////////////////////////////////////////////
   3936 // NativeTheme
   3937 ////////////////////////////////////////////////////////////////////////////////
   3938 
   3939 void TestView::OnNativeThemeChanged(const ui::NativeTheme* native_theme) {
   3940   native_theme_ = native_theme;
   3941 }
   3942 
   3943 TEST_F(ViewTest, OnNativeThemeChanged) {
   3944   TestView* test_view = new TestView();
   3945   EXPECT_FALSE(test_view->native_theme_);
   3946   TestView* test_view_child = new TestView();
   3947   EXPECT_FALSE(test_view_child->native_theme_);
   3948 
   3949   // Child view added before the widget hierarchy exists should get the
   3950   // new native theme notification.
   3951   test_view->AddChildView(test_view_child);
   3952 
   3953   scoped_ptr<Widget> widget(new Widget);
   3954   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_WINDOW);
   3955   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   3956   widget->Init(params);
   3957 
   3958   widget->GetRootView()->AddChildView(test_view);
   3959   EXPECT_TRUE(test_view->native_theme_);
   3960   EXPECT_EQ(widget->GetNativeTheme(), test_view->native_theme_);
   3961   EXPECT_TRUE(test_view_child->native_theme_);
   3962   EXPECT_EQ(widget->GetNativeTheme(), test_view_child->native_theme_);
   3963 
   3964   // Child view added after the widget hierarchy exists should also get the
   3965   // notification.
   3966   TestView* test_view_child_2 = new TestView();
   3967   test_view->AddChildView(test_view_child_2);
   3968   EXPECT_TRUE(test_view_child_2->native_theme_);
   3969   EXPECT_EQ(widget->GetNativeTheme(), test_view_child_2->native_theme_);
   3970 
   3971   widget->CloseNow();
   3972 }
   3973 
   3974 }  // namespace views
   3975