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      1 // Copyright 2014 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 "ash/frame/custom_frame_view_ash.h"
      6 
      7 #include "ash/frame/caption_buttons/frame_caption_button.h"
      8 #include "ash/frame/caption_buttons/frame_caption_button_container_view.h"
      9 #include "ash/shell.h"
     10 #include "ash/test/ash_test_base.h"
     11 #include "ash/test/test_session_state_delegate.h"
     12 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
     13 #include "base/memory/scoped_ptr.h"
     14 #include "grit/ash_resources.h"
     15 #include "ui/base/resource/resource_bundle.h"
     16 #include "ui/gfx/image/image_skia.h"
     17 #include "ui/gfx/rect.h"
     18 #include "ui/views/widget/widget.h"
     19 #include "ui/views/widget/widget_delegate.h"
     20 
     21 namespace ash {
     22 
     23 // A views::WidgetDelegate which uses a CustomFrameViewAsh.
     24 class TestWidgetDelegate : public views::WidgetDelegateView {
     25  public:
     26   TestWidgetDelegate() {}
     27   virtual ~TestWidgetDelegate() {}
     28 
     29   virtual views::NonClientFrameView* CreateNonClientFrameView(
     30       views::Widget* widget) OVERRIDE {
     31     custom_frame_view_ = new CustomFrameViewAsh(widget);
     32     return custom_frame_view_;
     33   }
     34 
     35   CustomFrameViewAsh* custom_frame_view() const {
     36     return custom_frame_view_;
     37   }
     38 
     39  private:
     40   // Not owned.
     41   CustomFrameViewAsh* custom_frame_view_;
     42 
     43   DISALLOW_COPY_AND_ASSIGN(TestWidgetDelegate);
     44 };
     45 
     46 class TestWidgetConstraintsDelegate : public TestWidgetDelegate {
     47  public:
     48   TestWidgetConstraintsDelegate() {}
     49   virtual ~TestWidgetConstraintsDelegate() {}
     50 
     51   // views::View:
     52   virtual gfx::Size GetMinimumSize() const OVERRIDE {
     53     return minimum_size_;
     54   }
     55 
     56   virtual gfx::Size GetMaximumSize() const OVERRIDE {
     57     return maximum_size_;
     58   }
     59 
     60   virtual views::View* GetContentsView() OVERRIDE {
     61     // Set this instance as the contents view so that the maximum and minimum
     62     // size constraints will be used.
     63     return this;
     64   }
     65 
     66   // views::WidgetDelegate:
     67   virtual bool CanMaximize() const OVERRIDE {
     68     return true;
     69   }
     70 
     71   void set_minimum_size(const gfx::Size& min_size) {
     72     minimum_size_ = min_size;
     73   }
     74 
     75   void set_maximum_size(const gfx::Size& max_size) {
     76     maximum_size_ = max_size;
     77   }
     78 
     79   const gfx::Rect& GetFrameCaptionButtonContainerViewBounds() {
     80     return custom_frame_view()->GetFrameCaptionButtonContainerViewForTest()->
     81         bounds();
     82   }
     83 
     84   int GetTitleBarHeight() const {
     85     return custom_frame_view()->NonClientTopBorderHeight();
     86   }
     87 
     88  private:
     89   gfx::Size minimum_size_;
     90   gfx::Size maximum_size_;
     91 
     92   DISALLOW_COPY_AND_ASSIGN(TestWidgetConstraintsDelegate);
     93 };
     94 
     95 class CustomFrameViewAshTest : public test::AshTestBase {
     96  public:
     97   CustomFrameViewAshTest() {}
     98   virtual ~CustomFrameViewAshTest() {}
     99 
    100  protected:
    101   scoped_ptr<views::Widget> CreateWidget(TestWidgetDelegate* delegate) {
    102     scoped_ptr<views::Widget> widget(new views::Widget);
    103     views::Widget::InitParams params;
    104     params.delegate = delegate;
    105     params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
    106     params.bounds = gfx::Rect(0, 0, 100, 100);
    107     params.context = CurrentContext();
    108     widget->Init(params);
    109     return widget.Pass();
    110   }
    111 
    112   test::TestSessionStateDelegate* GetTestSessionStateDelegate() {
    113     return static_cast<ash::test::TestSessionStateDelegate*>(
    114         Shell::GetInstance()->session_state_delegate());
    115   }
    116 
    117  private:
    118   DISALLOW_COPY_AND_ASSIGN(CustomFrameViewAshTest);
    119 };
    120 
    121 // Test that the height of the header is correct upon initially displaying
    122 // the widget.
    123 TEST_F(CustomFrameViewAshTest, HeaderHeight) {
    124   TestWidgetDelegate* delegate = new TestWidgetDelegate;
    125 
    126   scoped_ptr<views::Widget> widget(CreateWidget(delegate));
    127   widget->Show();
    128 
    129   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
    130   gfx::ImageSkia* close_button =
    131       rb.GetImageSkiaNamed(IDR_AURA_WINDOW_CONTROL_BACKGROUND_H);
    132 
    133   // The header should have enough room for the window controls. The
    134   // header/content separator line overlays the window controls.
    135   EXPECT_EQ(close_button->height(),
    136             delegate->custom_frame_view()->GetHeaderView()->height());
    137 }
    138 
    139 // Verify that CustomFrameViewAsh returns the correct minimum and maximum frame
    140 // sizes when the client view does not specify any size constraints.
    141 TEST_F(CustomFrameViewAshTest, NoSizeConstraints) {
    142   TestWidgetConstraintsDelegate* delegate = new TestWidgetConstraintsDelegate;
    143   scoped_ptr<views::Widget> widget(CreateWidget(delegate));
    144 
    145   CustomFrameViewAsh* custom_frame_view = delegate->custom_frame_view();
    146   gfx::Size min_frame_size = custom_frame_view->GetMinimumSize();
    147   gfx::Size max_frame_size = custom_frame_view->GetMaximumSize();
    148 
    149   EXPECT_EQ(delegate->GetTitleBarHeight(), min_frame_size.height());
    150 
    151   // A width and height constraint of 0 denotes unbounded.
    152   EXPECT_EQ(0, max_frame_size.width());
    153   EXPECT_EQ(0, max_frame_size.height());
    154 }
    155 
    156 // Verify that CustomFrameViewAsh returns the correct minimum and maximum frame
    157 // sizes when the client view specifies size constraints.
    158 TEST_F(CustomFrameViewAshTest, MinimumAndMaximumSize) {
    159   gfx::Size min_client_size(500, 500);
    160   gfx::Size max_client_size(800, 800);
    161   TestWidgetConstraintsDelegate* delegate = new TestWidgetConstraintsDelegate;
    162   delegate->set_minimum_size(min_client_size);
    163   delegate->set_maximum_size(max_client_size);
    164   scoped_ptr<views::Widget> widget(CreateWidget(delegate));
    165 
    166   CustomFrameViewAsh* custom_frame_view = delegate->custom_frame_view();
    167   gfx::Size min_frame_size = custom_frame_view->GetMinimumSize();
    168   gfx::Size max_frame_size = custom_frame_view->GetMaximumSize();
    169 
    170   EXPECT_EQ(min_client_size.width(), min_frame_size.width());
    171   EXPECT_EQ(max_client_size.width(), max_frame_size.width());
    172   EXPECT_EQ(min_client_size.height() + delegate->GetTitleBarHeight(),
    173             min_frame_size.height());
    174   EXPECT_EQ(max_client_size.height() + delegate->GetTitleBarHeight(),
    175             max_frame_size.height());
    176 }
    177 
    178 // Verify that CustomFrameViewAsh updates the avatar icon based on the
    179 // state of the SessionStateDelegate after visibility change.
    180 TEST_F(CustomFrameViewAshTest, AvatarIcon) {
    181   TestWidgetConstraintsDelegate* delegate = new TestWidgetConstraintsDelegate;
    182   scoped_ptr<views::Widget> widget(CreateWidget(delegate));
    183 
    184   CustomFrameViewAsh* custom_frame_view = delegate->custom_frame_view();
    185   EXPECT_FALSE(custom_frame_view->GetAvatarIconViewForTest());
    186 
    187   // Avatar image becomes available.
    188   const gfx::ImageSkia user_image =
    189       *ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
    190           IDR_AURA_UBER_TRAY_GUEST_ICON);
    191   GetTestSessionStateDelegate()->SetUserImage(user_image);
    192   widget->Hide();
    193   widget->Show();
    194   EXPECT_TRUE(custom_frame_view->GetAvatarIconViewForTest());
    195 
    196   // Avatar image is gone; the ImageView for the avatar icon should be
    197   // removed.
    198   GetTestSessionStateDelegate()->SetUserImage(gfx::ImageSkia());
    199   widget->Hide();
    200   widget->Show();
    201   EXPECT_FALSE(custom_frame_view->GetAvatarIconViewForTest());
    202 }
    203 
    204 // The visibility of the size button is updated when maximize mode is toggled.
    205 // Verify that the layout of the HeaderView is updated for the size button's
    206 // new visibility.
    207 TEST_F(CustomFrameViewAshTest, HeaderViewNotifiedOfChildSizeChange) {
    208   TestWidgetConstraintsDelegate* delegate = new TestWidgetConstraintsDelegate;
    209   scoped_ptr<views::Widget> widget(CreateWidget(delegate));
    210 
    211   const gfx::Rect initial = delegate->
    212       GetFrameCaptionButtonContainerViewBounds();
    213   Shell::GetInstance()->maximize_mode_controller()->
    214       EnableMaximizeModeWindowManager(true);
    215   const gfx::Rect maximize_mode_bounds = delegate->
    216       GetFrameCaptionButtonContainerViewBounds();
    217   EXPECT_GT(initial.width(), maximize_mode_bounds.width());
    218   Shell::GetInstance()->maximize_mode_controller()->
    219       EnableMaximizeModeWindowManager(false);
    220   const gfx::Rect after_restore = delegate->
    221       GetFrameCaptionButtonContainerViewBounds();
    222   EXPECT_EQ(initial, after_restore);
    223 }
    224 
    225 }  // namespace ash
    226