ash/wm/gestures/overview_gesture_handler_unittest.cc

   1 // Copyright 2013 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/root_window_controller.h"
   6 #include "ash/shell.h"
   7 #include "ash/test/ash_test_base.h"
   8 #include "ash/wm/overview/window_selector_controller.h"
   9 #include "ui/aura/test/test_window_delegate.h"
  10 #include "ui/aura/test/test_windows.h"
  11 #include "ui/aura/window.h"
  12 #include "ui/aura/window_event_dispatcher.h"
  13 #include "ui/events/test/event_generator.h"
  14 #include "ui/views/widget/widget.h"
  15
  16 namespace ash {
  17
  18 class OverviewGestureHandlerTest : public test::AshTestBase {
  19  public:
  20   OverviewGestureHandlerTest() {}
  21   ~OverviewGestureHandlerTest() override {}
  22
  23   aura::Window* CreateWindow(const gfx::Rect& bounds) {
  24     return CreateTestWindowInShellWithDelegate(&delegate_, -1, bounds);
  25   }
  26
  27   bool IsSelecting() {
  28     return ash::Shell::GetInstance()->window_selector_controller()->
  29         IsSelecting();
  30   }
  31
  32  private:
  33   aura::test::TestWindowDelegate delegate_;
  34
  35   DISALLOW_COPY_AND_ASSIGN(OverviewGestureHandlerTest);
  36 };
  37
  38 // Tests a swipe up with three fingers to enter and a swipe down to exit
  39 // overview.
  40 TEST_F(OverviewGestureHandlerTest, VerticalSwipes) {
  41   gfx::Rect bounds(0, 0, 400, 400);
  42   aura::Window* root_window = Shell::GetPrimaryRootWindow();
  43   scoped_ptr<aura::Window> window1(CreateWindow(bounds));
  44   scoped_ptr<aura::Window> window2(CreateWindow(bounds));
  45   ui::test::EventGenerator generator(root_window, root_window);
  46   generator.ScrollSequence(gfx::Point(), base::TimeDelta::FromMilliseconds(5),
  47       0, -500, 100, 3);
  48   EXPECT_TRUE(IsSelecting());
  49
  50   // Swiping up again does nothing.
  51   generator.ScrollSequence(gfx::Point(), base::TimeDelta::FromMilliseconds(5),
  52       0, -500, 100, 3);
  53   EXPECT_TRUE(IsSelecting());
  54
  55   // Swiping down exits.
  56   generator.ScrollSequence(gfx::Point(), base::TimeDelta::FromMilliseconds(5),
  57       0, 500, 100, 3);
  58   EXPECT_FALSE(IsSelecting());
  59
  60   // Swiping down again does nothing.
  61   generator.ScrollSequence(gfx::Point(), base::TimeDelta::FromMilliseconds(5),
  62       0, 500, 100, 3);
  63   EXPECT_FALSE(IsSelecting());
  64 }
  65
  66 // Tests that a mostly horizontal swipe does not trigger overview.
  67 TEST_F(OverviewGestureHandlerTest, HorizontalSwipes) {
  68   gfx::Rect bounds(0, 0, 400, 400);
  69   aura::Window* root_window = Shell::GetPrimaryRootWindow();
  70   scoped_ptr<aura::Window> window1(CreateWindow(bounds));
  71   scoped_ptr<aura::Window> window2(CreateWindow(bounds));
  72   ui::test::EventGenerator generator(root_window, root_window);
  73   generator.ScrollSequence(gfx::Point(), base::TimeDelta::FromMilliseconds(5),
  74       600, -500, 100, 3);
  75   EXPECT_FALSE(IsSelecting());
  76
  77   generator.ScrollSequence(gfx::Point(), base::TimeDelta::FromMilliseconds(5),
  78       -600, -500, 100, 3);
  79   EXPECT_FALSE(IsSelecting());
  80 }
  81
  82 // Tests a swipe up with three fingers without releasing followed by a swipe
  83 // down by a lesser amount which should still be enough to exit.
  84 TEST_F(OverviewGestureHandlerTest, SwipeUpDownWithoutReleasing) {
  85   gfx::Rect bounds(0, 0, 400, 400);
  86   aura::Window* root_window = Shell::GetPrimaryRootWindow();
  87   scoped_ptr<aura::Window> window1(CreateWindow(bounds));
  88   scoped_ptr<aura::Window> window2(CreateWindow(bounds));
  89   ui::test::EventGenerator generator(root_window, root_window);
  90   base::TimeDelta timestamp = base::TimeDelta::FromInternalValue(
  91       base::TimeTicks::Now().ToInternalValue());
  92   gfx::Point start;
  93   int num_fingers = 3;
  94   base::TimeDelta step_delay(base::TimeDelta::FromMilliseconds(5));
  95   ui::ScrollEvent fling_cancel(ui::ET_SCROLL_FLING_CANCEL,
  96                                start,
  97                                timestamp,
  98                                0,
  99                                0, 0,
 100                                0, 0,
 101                                num_fingers);
 102   generator.Dispatch(&fling_cancel);
 103
 104   // Scroll up by 1000px.
 105   for (int i = 0; i < 100; ++i) {
 106     timestamp += step_delay;
 107     ui::ScrollEvent move(ui::ET_SCROLL,
 108                          start,
 109                          timestamp,
 110                          0,
 111                          0, -10,
 112                          0, -10,
 113                          num_fingers);
 114     generator.Dispatch(&move);
 115   }
 116
 117   EXPECT_TRUE(IsSelecting());
 118
 119   // Without releasing scroll back down by 600px.
 120   for (int i = 0; i < 60; ++i) {
 121     timestamp += step_delay;
 122     ui::ScrollEvent move(ui::ET_SCROLL,
 123                          start,
 124                          timestamp,
 125                          0,
 126                          0, 10,
 127                          0, 10,
 128                          num_fingers);
 129     generator.Dispatch(&move);
 130   }
 131
 132   EXPECT_FALSE(IsSelecting());
 133   ui::ScrollEvent fling_start(ui::ET_SCROLL_FLING_START,
 134                               start,
 135                               timestamp,
 136                               0,
 137                               0, 10,
 138                               0, 10,
 139                               num_fingers);
 140   generator.Dispatch(&fling_start);
 141 }
 142
 143 }  // namespace ash