ash/autoclick/autoclick_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/autoclick/autoclick_controller.h"
   6 #include "ash/shell.h"
   7 #include "ash/test/ash_test_base.h"
   8 #include "ui/aura/test/test_window_delegate.h"
   9 #include "ui/aura/window.h"
  10 #include "ui/aura/window_event_dispatcher.h"
  11 #include "ui/events/event.h"
  12 #include "ui/events/event_constants.h"
  13 #include "ui/events/event_handler.h"
  14 #include "ui/events/keycodes/keyboard_codes.h"
  15 #include "ui/events/test/event_generator.h"
  16
  17 namespace ash {
  18
  19 class MouseEventCapturer : public ui::EventHandler {
  20  public:
  21   MouseEventCapturer() { Reset(); }
  22   virtual ~MouseEventCapturer() {}
  23
  24   void Reset() {
  25     events_.clear();
  26   }
  27
  28   virtual void OnMouseEvent(ui::MouseEvent* event) override {
  29     if (!(event->flags() & ui::EF_LEFT_MOUSE_BUTTON))
  30       return;
  31     // Filter out extraneous mouse events like mouse entered, exited,
  32     // capture changed, etc.
  33     ui::EventType type = event->type();
  34     if (type == ui::ET_MOUSE_MOVED || type == ui::ET_MOUSE_PRESSED ||
  35         type == ui::ET_MOUSE_RELEASED) {
  36       events_.push_back(ui::MouseEvent(
  37           event->type(),
  38           event->location(),
  39           event->root_location(),
  40           event->flags(),
  41           event->changed_button_flags()));
  42       // Stop event propagation so we don't click on random stuff that
  43       // might break test assumptions.
  44       event->StopPropagation();
  45     }
  46
  47     // If there is a possibility that we're in an infinite loop, we should
  48     // exit early with a sensible error rather than letting the test time out.
  49     ASSERT_LT(events_.size(), 100u);
  50   }
  51
  52   const std::vector<ui::MouseEvent>& captured_events() const {
  53     return events_;
  54   }
  55
  56  private:
  57   std::vector<ui::MouseEvent> events_;
  58
  59   DISALLOW_COPY_AND_ASSIGN(MouseEventCapturer);
  60 };
  61
  62 class AutoclickTest : public test::AshTestBase {
  63  public:
  64   AutoclickTest() {}
  65   virtual ~AutoclickTest() {}
  66
  67   virtual void SetUp() override {
  68     test::AshTestBase::SetUp();
  69     Shell::GetInstance()->AddPreTargetHandler(&mouse_event_capturer_);
  70     GetAutoclickController()->SetAutoclickDelay(0);
  71
  72     // Move mouse to deterministic location at the start of each test.
  73     GetEventGenerator().MoveMouseTo(100, 100);
  74   }
  75
  76   virtual void TearDown() override {
  77     Shell::GetInstance()->RemovePreTargetHandler(&mouse_event_capturer_);
  78     test::AshTestBase::TearDown();
  79   }
  80
  81   void MoveMouseWithFlagsTo(int x, int y, ui::EventFlags flags) {
  82     GetEventGenerator().set_flags(flags);
  83     GetEventGenerator().MoveMouseTo(x, y);
  84     GetEventGenerator().set_flags(ui::EF_NONE);
  85   }
  86
  87   const std::vector<ui::MouseEvent>& WaitForMouseEvents() {
  88     mouse_event_capturer_.Reset();
  89     RunAllPendingInMessageLoop();
  90     return mouse_event_capturer_.captured_events();
  91   }
  92
  93   AutoclickController* GetAutoclickController() {
  94     return Shell::GetInstance()->autoclick_controller();
  95   }
  96
  97  private:
  98   MouseEventCapturer mouse_event_capturer_;
  99
 100   DISALLOW_COPY_AND_ASSIGN(AutoclickTest);
 101 };
 102
 103 TEST_F(AutoclickTest, ToggleEnabled) {
 104   std::vector<ui::MouseEvent> events;
 105
 106   // We should not see any events initially.
 107   EXPECT_FALSE(GetAutoclickController()->IsEnabled());
 108   events = WaitForMouseEvents();
 109   EXPECT_EQ(0u, events.size());
 110
 111   // Enable autoclick, and we should see a mouse pressed and
 112   // a mouse released event, simulating a click.
 113   GetAutoclickController()->SetEnabled(true);
 114   GetEventGenerator().MoveMouseTo(0, 0);
 115   EXPECT_TRUE(GetAutoclickController()->IsEnabled());
 116   events = WaitForMouseEvents();
 117   EXPECT_EQ(2u, events.size());
 118   EXPECT_EQ(ui::ET_MOUSE_PRESSED, events[0].type());
 119   EXPECT_EQ(ui::ET_MOUSE_RELEASED, events[1].type());
 120
 121   // We should not get any more clicks until we move the mouse.
 122   events = WaitForMouseEvents();
 123   EXPECT_EQ(0u, events.size());
 124   GetEventGenerator().MoveMouseTo(30, 30);
 125   events = WaitForMouseEvents();
 126   EXPECT_EQ(2u, events.size());
 127   EXPECT_EQ(ui::ET_MOUSE_PRESSED, events[0].type());
 128   EXPECT_EQ(ui::ET_MOUSE_RELEASED, events[1].type());
 129
 130   // Disable autoclick, and we should see the original behaviour.
 131   GetAutoclickController()->SetEnabled(false);
 132   EXPECT_FALSE(GetAutoclickController()->IsEnabled());
 133   events = WaitForMouseEvents();
 134   EXPECT_EQ(0u, events.size());
 135 }
 136
 137 TEST_F(AutoclickTest, MouseMovement) {
 138   std::vector<ui::MouseEvent> events;
 139   GetAutoclickController()->SetEnabled(true);
 140
 141   gfx::Point p1(0, 0);
 142   gfx::Point p2(20, 20);
 143   gfx::Point p3(40, 40);
 144
 145   // Move mouse to p1.
 146   GetEventGenerator().MoveMouseTo(p1);
 147   events = WaitForMouseEvents();
 148   EXPECT_EQ(2u, events.size());
 149   EXPECT_EQ(p1.ToString(), events[0].root_location().ToString());
 150   EXPECT_EQ(p1.ToString(), events[1].root_location().ToString());
 151
 152   // Move mouse to multiple locations and finally arrive at p3.
 153   GetEventGenerator().MoveMouseTo(p2);
 154   GetEventGenerator().MoveMouseTo(p1);
 155   GetEventGenerator().MoveMouseTo(p3);
 156   events = WaitForMouseEvents();
 157   EXPECT_EQ(2u, events.size());
 158   EXPECT_EQ(p3.ToString(), events[0].root_location().ToString());
 159   EXPECT_EQ(p3.ToString(), events[1].root_location().ToString());
 160 }
 161
 162 TEST_F(AutoclickTest, MovementThreshold) {
 163   GetAutoclickController()->SetEnabled(true);
 164   GetEventGenerator().MoveMouseTo(0, 0);
 165   EXPECT_EQ(2u, WaitForMouseEvents().size());
 166
 167   // Small mouse movements should not trigger an autoclick.
 168   GetEventGenerator().MoveMouseTo(1, 1);
 169   EXPECT_EQ(0u, WaitForMouseEvents().size());
 170   GetEventGenerator().MoveMouseTo(2, 2);
 171   EXPECT_EQ(0u, WaitForMouseEvents().size());
 172   GetEventGenerator().MoveMouseTo(0, 0);
 173   EXPECT_EQ(0u, WaitForMouseEvents().size());
 174
 175   // A large mouse movement should trigger an autoclick.
 176   GetEventGenerator().MoveMouseTo(100, 100);
 177   EXPECT_EQ(2u, WaitForMouseEvents().size());
 178 }
 179
 180 TEST_F(AutoclickTest, SingleKeyModifier) {
 181   GetAutoclickController()->SetEnabled(true);
 182   MoveMouseWithFlagsTo(20, 20, ui::EF_SHIFT_DOWN);
 183   std::vector<ui::MouseEvent> events = WaitForMouseEvents();
 184   EXPECT_EQ(2u, events.size());
 185   EXPECT_EQ(ui::EF_SHIFT_DOWN, events[0].flags() & ui::EF_SHIFT_DOWN);
 186   EXPECT_EQ(ui::EF_SHIFT_DOWN, events[1].flags() & ui::EF_SHIFT_DOWN);
 187 }
 188
 189 TEST_F(AutoclickTest, MultipleKeyModifiers) {
 190   GetAutoclickController()->SetEnabled(true);
 191   ui::EventFlags modifier_flags = static_cast<ui::EventFlags>(
 192       ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN | ui::EF_SHIFT_DOWN);
 193   MoveMouseWithFlagsTo(30, 30, modifier_flags);
 194   std::vector<ui::MouseEvent> events = WaitForMouseEvents();
 195   EXPECT_EQ(2u, events.size());
 196   EXPECT_EQ(modifier_flags, events[0].flags() & modifier_flags);
 197   EXPECT_EQ(modifier_flags, events[1].flags() & modifier_flags);
 198 }
 199
 200 TEST_F(AutoclickTest, KeyModifiersReleased) {
 201   GetAutoclickController()->SetEnabled(true);
 202
 203   ui::EventFlags modifier_flags = static_cast<ui::EventFlags>(
 204       ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN | ui::EF_SHIFT_DOWN);
 205   MoveMouseWithFlagsTo(12, 12, modifier_flags);
 206
 207   // Simulate releasing key modifiers by sending key released events.
 208   GetEventGenerator().ReleaseKey(ui::VKEY_CONTROL,
 209       static_cast<ui::EventFlags>(ui::EF_ALT_DOWN | ui::EF_SHIFT_DOWN));
 210   GetEventGenerator().ReleaseKey(ui::VKEY_SHIFT, ui::EF_ALT_DOWN);
 211
 212   std::vector<ui::MouseEvent> events;
 213   events = WaitForMouseEvents();
 214   EXPECT_EQ(2u, events.size());
 215   EXPECT_EQ(0, events[0].flags() & ui::EF_CONTROL_DOWN);
 216   EXPECT_EQ(0, events[0].flags() & ui::EF_SHIFT_DOWN);
 217   EXPECT_EQ(ui::EF_ALT_DOWN, events[0].flags() & ui::EF_ALT_DOWN);
 218 }
 219
 220 TEST_F(AutoclickTest, ExtendedDisplay) {
 221   UpdateDisplay("1280x1024,800x600");
 222   RunAllPendingInMessageLoop();
 223   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 224   EXPECT_EQ(2u, root_windows.size());
 225
 226   GetAutoclickController()->SetEnabled(true);
 227   std::vector<ui::MouseEvent> events;
 228
 229   // Test first root window.
 230   ui::test::EventGenerator generator1(root_windows[0]);
 231   generator1.MoveMouseTo(100, 200);
 232   events = WaitForMouseEvents();
 233   EXPECT_EQ(2u, events.size());
 234   EXPECT_EQ(100, events[0].root_location().x());
 235   EXPECT_EQ(200, events[0].root_location().y());
 236
 237   // Test second root window.
 238   ui::test::EventGenerator generator2(root_windows[1]);
 239   generator2.MoveMouseTo(300, 400);
 240   events = WaitForMouseEvents();
 241   EXPECT_EQ(2u, events.size());
 242   EXPECT_EQ(300, events[0].root_location().x());
 243   EXPECT_EQ(400, events[0].root_location().y());
 244
 245   // Test movement threshold between displays.
 246 }
 247
 248 TEST_F(AutoclickTest, UserInputCancelsAutoclick) {
 249   GetAutoclickController()->SetEnabled(true);
 250   std::vector<ui::MouseEvent> events;
 251
 252   // Pressing a normal key should cancel the autoclick.
 253   GetEventGenerator().MoveMouseTo(200, 200);
 254   GetEventGenerator().PressKey(ui::VKEY_K, ui::EF_NONE);
 255   GetEventGenerator().ReleaseKey(ui::VKEY_K, ui::EF_NONE);
 256   events = WaitForMouseEvents();
 257   EXPECT_EQ(0u, events.size());
 258
 259   // Pressing a modifier key should NOT cancel the autoclick.
 260   GetEventGenerator().MoveMouseTo(100, 100);
 261   GetEventGenerator().PressKey(ui::VKEY_SHIFT, ui::EF_SHIFT_DOWN);
 262   GetEventGenerator().ReleaseKey(ui::VKEY_SHIFT, ui::EF_NONE);
 263   events = WaitForMouseEvents();
 264   EXPECT_EQ(2u, events.size());
 265
 266   // Performing a gesture should cancel the autoclick.
 267   GetEventGenerator().MoveMouseTo(200, 200);
 268   GetEventGenerator().GestureTapDownAndUp(gfx::Point(100, 100));
 269   events = WaitForMouseEvents();
 270   EXPECT_EQ(0u, events.size());
 271
 272   // Test another gesture.
 273   GetEventGenerator().MoveMouseTo(100, 100);
 274   GetEventGenerator().GestureScrollSequence(
 275       gfx::Point(100, 100),
 276       gfx::Point(200, 200),
 277       base::TimeDelta::FromMilliseconds(200),
 278       3);
 279   events = WaitForMouseEvents();
 280   EXPECT_EQ(0u, events.size());
 281
 282   // Test scroll events.
 283   GetEventGenerator().MoveMouseTo(200, 200);
 284   GetEventGenerator().ScrollSequence(
 285       gfx::Point(100, 100), base::TimeDelta::FromMilliseconds(200),
 286       0, 100, 3, 2);
 287   events = WaitForMouseEvents();
 288   EXPECT_EQ(0u, events.size());
 289 }
 290
 291 TEST_F(AutoclickTest, SynthesizedMouseMovesIgnored) {
 292   GetAutoclickController()->SetEnabled(true);
 293   std::vector<ui::MouseEvent> events;
 294   GetEventGenerator().MoveMouseTo(100, 100);
 295   events = WaitForMouseEvents();
 296   EXPECT_EQ(2u, events.size());
 297
 298   // Show a window and make sure the new window is under the cursor. As a
 299   // result, synthesized mouse events will be dispatched to the window, but it
 300   // should not trigger an autoclick.
 301   aura::test::EventCountDelegate delegate;
 302   scoped_ptr<aura::Window> window(CreateTestWindowInShellWithDelegate(
 303       &delegate, 123, gfx::Rect(50, 50, 100, 100)));
 304   window->Show();
 305   events = WaitForMouseEvents();
 306   EXPECT_EQ(0u, events.size());
 307   EXPECT_EQ("1 1 0", delegate.GetMouseMotionCountsAndReset());
 308 }
 309
 310 }  // namespace ash