ash/display/mouse_cursor_event_filter_unittest.cc

   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 "ash/display/mouse_cursor_event_filter.h"
   6
   7 #include "ash/display/display_layout_store.h"
   8 #include "ash/display/display_manager.h"
   9 #include "ash/shell.h"
  10 #include "ash/test/ash_test_base.h"
  11 #include "ash/test/cursor_manager_test_api.h"
  12 #include "ash/test/display_manager_test_api.h"
  13 #include "ui/aura/env.h"
  14 #include "ui/events/test/event_generator.h"
  15
  16 namespace ash {
  17
  18 class MouseCursorEventFilterTest : public test::AshTestBase {
  19  public:
  20   MouseCursorEventFilterTest() {}
  21   ~MouseCursorEventFilterTest() override {}
  22
  23  protected:
  24   MouseCursorEventFilter* event_filter() {
  25     return Shell::GetInstance()->mouse_cursor_filter();
  26   }
  27
  28   bool TestIfMouseWarpsAt(const gfx::Point& point_in_screen) {
  29     return test::DisplayManagerTestApi::TestIfMouseWarpsAt(GetEventGenerator(),
  30                                                            point_in_screen);
  31   }
  32
  33  private:
  34   DISALLOW_COPY_AND_ASSIGN(MouseCursorEventFilterTest);
  35 };
  36
  37 // Verifies if the mouse pointer correctly moves to another display when there
  38 // are two displays.
  39 TEST_F(MouseCursorEventFilterTest, WarpMouse) {
  40   if (!SupportsMultipleDisplays())
  41     return;
  42
  43   UpdateDisplay("500x500,500x500");
  44
  45   ASSERT_EQ(
  46       DisplayLayout::RIGHT,
  47       Shell::GetInstance()->display_manager()->layout_store()->
  48           default_display_layout().position);
  49
  50   EXPECT_FALSE(TestIfMouseWarpsAt(gfx::Point(11, 11)));
  51
  52   // Touch the right edge of the primary root window. Pointer should warp.
  53   EXPECT_TRUE(TestIfMouseWarpsAt(gfx::Point(499, 11)));
  54   EXPECT_EQ("501,11",  // by 2px.
  55             aura::Env::GetInstance()->last_mouse_location().ToString());
  56
  57   // Touch the left edge of the secondary root window. Pointer should warp.
  58   EXPECT_TRUE(TestIfMouseWarpsAt(gfx::Point(500, 11)));
  59   EXPECT_EQ("498,11",  // by 2px.
  60             aura::Env::GetInstance()->last_mouse_location().ToString());
  61
  62   // Touch the left edge of the primary root window.
  63   EXPECT_FALSE(TestIfMouseWarpsAt(gfx::Point(0, 11)));
  64   // Touch the top edge of the primary root window.
  65   EXPECT_FALSE(TestIfMouseWarpsAt(gfx::Point(11, 0)));
  66   // Touch the bottom edge of the primary root window.
  67   EXPECT_FALSE(TestIfMouseWarpsAt(gfx::Point(11, 499)));
  68   // Touch the right edge of the secondary root window.
  69   EXPECT_FALSE(TestIfMouseWarpsAt(gfx::Point(999, 11)));
  70   // Touch the top edge of the secondary root window.
  71   EXPECT_FALSE(TestIfMouseWarpsAt(gfx::Point(11, 0)));
  72   // Touch the bottom edge of the secondary root window.
  73   EXPECT_FALSE(TestIfMouseWarpsAt(gfx::Point(11, 499)));
  74 }
  75
  76 // Verifies if the mouse pointer correctly moves to another display even when
  77 // two displays are not the same size.
  78 TEST_F(MouseCursorEventFilterTest, WarpMouseDifferentSizeDisplays) {
  79   if (!SupportsMultipleDisplays())
  80     return;
  81
  82   UpdateDisplay("500x500,600x600");  // the second one is larger.
  83
  84   ASSERT_EQ(
  85       DisplayLayout::RIGHT,
  86       Shell::GetInstance()->display_manager()->
  87           GetCurrentDisplayLayout().position);
  88
  89   // Touch the left edge of the secondary root window. Pointer should NOT warp
  90   // because 1px left of (0, 500) is outside the primary root window.
  91   EXPECT_FALSE(TestIfMouseWarpsAt(gfx::Point(501, 500)));
  92   EXPECT_EQ("501,500",
  93             aura::Env::GetInstance()->last_mouse_location().ToString());
  94
  95   // Touch the left edge of the secondary root window. Pointer should warp
  96   // because 1px left of (0, 480) is inside the primary root window.
  97   EXPECT_TRUE(TestIfMouseWarpsAt(gfx::Point(500, 480)));
  98   EXPECT_EQ("498,480",  // by 2px.
  99             aura::Env::GetInstance()->last_mouse_location().ToString());
 100 }
 101
 102 // Verifies if the mouse pointer correctly moves between displays with
 103 // different scale factors. In native coords mode, there is no
 104 // difference between drag and move.
 105 TEST_F(MouseCursorEventFilterTest, WarpMouseDifferentScaleDisplaysInNative) {
 106   if (!SupportsMultipleDisplays())
 107     return;
 108
 109   UpdateDisplay("500x500,600x600*2");
 110
 111   ASSERT_EQ(DisplayLayout::RIGHT,
 112             Shell::GetInstance()
 113                 ->display_manager()
 114                 ->GetCurrentDisplayLayout()
 115                 .position);
 116
 117   aura::Env::GetInstance()->set_last_mouse_location(gfx::Point(900, 123));
 118
 119   EXPECT_TRUE(TestIfMouseWarpsAt(gfx::Point(499, 123)));
 120   EXPECT_EQ("500,123",
 121             aura::Env::GetInstance()->last_mouse_location().ToString());
 122   // Touch the edge of 2nd display again and make sure it warps to
 123   // 1st dislay.
 124   EXPECT_TRUE(TestIfMouseWarpsAt(gfx::Point(500, 123)));
 125   // TODO(oshima): Due to a bug in EventGenerator, the screen coordinates
 126   // is shrinked by dsf once. Fix this.
 127   EXPECT_EQ("498,61",
 128             aura::Env::GetInstance()->last_mouse_location().ToString());
 129 }
 130
 131 // Verifies if MouseCursorEventFilter::set_mouse_warp_enabled() works as
 132 // expected.
 133 TEST_F(MouseCursorEventFilterTest, SetMouseWarpModeFlag) {
 134   if (!SupportsMultipleDisplays())
 135     return;
 136
 137   UpdateDisplay("500x500,500x500");
 138
 139   event_filter()->set_mouse_warp_enabled(false);
 140   EXPECT_FALSE(TestIfMouseWarpsAt(gfx::Point(499, 11)));
 141   EXPECT_EQ("499,11",
 142             aura::Env::GetInstance()->last_mouse_location().ToString());
 143
 144   event_filter()->set_mouse_warp_enabled(true);
 145   EXPECT_TRUE(TestIfMouseWarpsAt(gfx::Point(499, 11)));
 146   EXPECT_EQ("501,11",
 147             aura::Env::GetInstance()->last_mouse_location().ToString());
 148 }
 149
 150 // Verifies cursor's device scale factor is updated when a cursor has moved
 151 // across root windows with different device scale factors
 152 // (http://crbug.com/154183).
 153 TEST_F(MouseCursorEventFilterTest, CursorDeviceScaleFactor) {
 154   if (!SupportsMultipleDisplays())
 155     return;
 156
 157   UpdateDisplay("400x400,800x800*2");
 158   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 159   display_manager->SetLayoutForCurrentDisplays(
 160       DisplayLayout(DisplayLayout::RIGHT, 0));
 161   test::CursorManagerTestApi cursor_test_api(
 162       Shell::GetInstance()->cursor_manager());
 163
 164   EXPECT_EQ(1.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
 165   TestIfMouseWarpsAt(gfx::Point(399, 200));
 166   EXPECT_EQ(2.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
 167   TestIfMouseWarpsAt(gfx::Point(400, 200));
 168   EXPECT_EQ(1.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
 169 }
 170
 171 }  // namespace ash