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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/system/overview/overview_button_tray.h"
      6 
      7 #include "ash/display/display_manager.h"
      8 #include "ash/root_window_controller.h"
      9 #include "ash/shelf/shelf_types.h"
     10 #include "ash/shelf/shelf_widget.h"
     11 #include "ash/shell.h"
     12 #include "ash/system/status_area_widget.h"
     13 #include "ash/system/user/login_status.h"
     14 #include "ash/test/ash_test_base.h"
     15 #include "ash/test/status_area_widget_test_helper.h"
     16 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
     17 #include "ash/wm/overview/window_selector_controller.h"
     18 #include "base/time/time.h"
     19 #include "ui/events/event.h"
     20 #include "ui/events/event_constants.h"
     21 #include "ui/events/gestures/gesture_types.h"
     22 #include "ui/views/controls/image_view.h"
     23 
     24 namespace ash {
     25 
     26 namespace {
     27 
     28 OverviewButtonTray* GetTray() {
     29   return StatusAreaWidgetTestHelper::GetStatusAreaWidget()->
     30       overview_button_tray();
     31 }
     32 
     33 OverviewButtonTray* GetSecondaryTray() {
     34   return StatusAreaWidgetTestHelper::GetSecondaryStatusAreaWidget()->
     35       overview_button_tray();
     36 }
     37 
     38 }  // namespace
     39 
     40 class OverviewButtonTrayTest : public test::AshTestBase {
     41  public:
     42   OverviewButtonTrayTest() {}
     43   virtual ~OverviewButtonTrayTest() {}
     44 
     45  protected:
     46   views::ImageView* GetImageView(OverviewButtonTray* tray) {
     47     return tray->icon_;
     48   }
     49 
     50  private:
     51   DISALLOW_COPY_AND_ASSIGN(OverviewButtonTrayTest);
     52 };
     53 
     54 // Ensures that creation doesn't cause any crashes and adds the image icon.
     55 TEST_F(OverviewButtonTrayTest, BasicConstruction) {
     56   EXPECT_TRUE(GetImageView(GetTray()) != NULL);
     57 }
     58 
     59 // Test that maximize mode toggle changes visibility.
     60 // OverviewButtonTray should only be visible when MaximizeMode is enabled.
     61 // By default the system should not have MaximizeMode enabled.
     62 TEST_F(OverviewButtonTrayTest, MaximizeModeObserverOnMaximizeModeToggled) {
     63   ASSERT_FALSE(GetTray()->visible());
     64   Shell::GetInstance()->maximize_mode_controller()->
     65       EnableMaximizeModeWindowManager(true);
     66   EXPECT_TRUE(GetTray()->visible());
     67 
     68   Shell::GetInstance()->maximize_mode_controller()->
     69       EnableMaximizeModeWindowManager(false);
     70   EXPECT_FALSE(GetTray()->visible());
     71 }
     72 
     73 // Tests that activating this control brings up window selection mode.
     74 TEST_F(OverviewButtonTrayTest, PerformAction) {
     75   ASSERT_FALSE(Shell::GetInstance()->window_selector_controller()->
     76       IsSelecting());
     77 
     78   // Overview Mode only works when there is a window
     79   scoped_ptr<aura::Window> window(
     80       CreateTestWindowInShellWithBounds(gfx::Rect(5, 5, 20, 20)));
     81   ui::GestureEvent tap(ui::ET_GESTURE_TAP, 0, 0, 0, base::TimeDelta(),
     82       ui::GestureEventDetails(ui::ET_GESTURE_TAP, 0.0f, 0.0f), 0);
     83   GetTray()->PerformAction(tap);
     84   EXPECT_TRUE(Shell::GetInstance()->window_selector_controller()->
     85       IsSelecting());
     86 }
     87 
     88 // Tests that a second OverviewButtonTray has been created, and only shows
     89 // when MaximizeMode has been enabled,  when we are using multiple displays.
     90 // By default the DisplayManger is in extended mode.
     91 TEST_F(OverviewButtonTrayTest, DisplaysOnBothDisplays) {
     92   if (!SupportsMultipleDisplays())
     93     return;
     94 
     95   UpdateDisplay("400x400,200x200");
     96   EXPECT_FALSE(GetTray()->visible());
     97   EXPECT_FALSE(GetSecondaryTray()->visible());
     98   Shell::GetInstance()->maximize_mode_controller()->
     99       EnableMaximizeModeWindowManager(true);
    100   EXPECT_TRUE(GetTray()->visible());
    101   EXPECT_TRUE(GetSecondaryTray()->visible());
    102   Shell::GetInstance()->maximize_mode_controller()->
    103       EnableMaximizeModeWindowManager(false);
    104 }
    105 
    106 // Tests if Maximize Mode is enabled before a secondary display is attached
    107 // that the second OverviewButtonTray should be created in a visible state.
    108 TEST_F(OverviewButtonTrayTest, SecondaryTrayCreatedVisible) {
    109   if (!SupportsMultipleDisplays())
    110     return;
    111 
    112   Shell::GetInstance()->maximize_mode_controller()->
    113       EnableMaximizeModeWindowManager(true);
    114   UpdateDisplay("400x400,200x200");
    115   EXPECT_TRUE(GetSecondaryTray()->visible());
    116   Shell::GetInstance()->maximize_mode_controller()->
    117       EnableMaximizeModeWindowManager(false);
    118 }
    119 
    120 // Tests that the tray loses visibility when a user logs out, and that it
    121 // regains visibility when a user logs back in.
    122 TEST_F(OverviewButtonTrayTest, VisibilityChangesForLoginStatus) {
    123   Shell::GetInstance()->maximize_mode_controller()->
    124       EnableMaximizeModeWindowManager(true);
    125   SetUserLoggedIn(false);
    126   Shell::GetInstance()->UpdateAfterLoginStatusChange(user::LOGGED_IN_NONE);
    127   EXPECT_FALSE(GetTray()->visible());
    128   SetUserLoggedIn(true);
    129   SetSessionStarted(true);
    130   Shell::GetInstance()->UpdateAfterLoginStatusChange(user::LOGGED_IN_USER);
    131   EXPECT_TRUE(GetTray()->visible());
    132   Shell::GetInstance()->maximize_mode_controller()->
    133       EnableMaximizeModeWindowManager(false);
    134 }
    135 
    136 }  // namespace ash
    137