src/ash/wm/system_gesture_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/wm/system_gesture_event_filter.h"
   6
   7 #include <vector>
   8
   9 #include "ash/accelerators/accelerator_controller.h"
  10 #include "ash/display/display_manager.h"
  11 #include "ash/shelf/shelf.h"
  12 #include "ash/shelf/shelf_model.h"
  13 #include "ash/shell.h"
  14 #include "ash/system/tray/system_tray_delegate.h"
  15 #include "ash/test/ash_test_base.h"
  16 #include "ash/test/display_manager_test_api.h"
  17 #include "ash/test/shell_test_api.h"
  18 #include "ash/test/test_shelf_delegate.h"
  19 #include "ash/wm/gestures/long_press_affordance_handler.h"
  20 #include "ash/wm/window_state.h"
  21 #include "ash/wm/window_util.h"
  22 #include "base/time/time.h"
  23 #include "base/timer/timer.h"
  24 #include "ui/aura/env.h"
  25 #include "ui/aura/test/test_window_delegate.h"
  26 #include "ui/aura/test/test_windows.h"
  27 #include "ui/aura/window_event_dispatcher.h"
  28 #include "ui/base/hit_test.h"
  29 #include "ui/events/event.h"
  30 #include "ui/events/event_handler.h"
  31 #include "ui/events/event_utils.h"
  32 #include "ui/events/gestures/gesture_configuration.h"
  33 #include "ui/events/test/event_generator.h"
  34 #include "ui/events/test/test_event_handler.h"
  35 #include "ui/gfx/screen.h"
  36 #include "ui/gfx/size.h"
  37 #include "ui/views/widget/widget.h"
  38 #include "ui/views/widget/widget_delegate.h"
  39 #include "ui/views/window/non_client_view.h"
  40 #include "ui/views/window/window_button_order_provider.h"
  41
  42 namespace ash {
  43 namespace test {
  44
  45 namespace {
  46
  47 class ResizableWidgetDelegate : public views::WidgetDelegateView {
  48  public:
  49   ResizableWidgetDelegate() {}
  50   virtual ~ResizableWidgetDelegate() {}
  51
  52  private:
  53   virtual bool CanResize() const OVERRIDE { return true; }
  54   virtual bool CanMaximize() const OVERRIDE { return true; }
  55   virtual bool CanMinimize() const OVERRIDE { return true; }
  56   virtual void DeleteDelegate() OVERRIDE { delete this; }
  57
  58   DISALLOW_COPY_AND_ASSIGN(ResizableWidgetDelegate);
  59 };
  60
  61 // Support class for testing windows with a maximum size.
  62 class MaxSizeNCFV : public views::NonClientFrameView {
  63  public:
  64   MaxSizeNCFV() {}
  65  private:
  66   virtual gfx::Size GetMaximumSize() const OVERRIDE {
  67     return gfx::Size(200, 200);
  68   }
  69   virtual gfx::Rect GetBoundsForClientView() const OVERRIDE {
  70     return gfx::Rect();
  71   };
  72
  73   virtual gfx::Rect GetWindowBoundsForClientBounds(
  74       const gfx::Rect& client_bounds) const OVERRIDE {
  75     return gfx::Rect();
  76   };
  77
  78   // This function must ask the ClientView to do a hittest.  We don't do this in
  79   // the parent NonClientView because that makes it more difficult to calculate
  80   // hittests for regions that are partially obscured by the ClientView, e.g.
  81   // HTSYSMENU.
  82   virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE {
  83     return HTNOWHERE;
  84   }
  85   virtual void GetWindowMask(const gfx::Size& size,
  86                              gfx::Path* window_mask) OVERRIDE {}
  87   virtual void ResetWindowControls() OVERRIDE {}
  88   virtual void UpdateWindowIcon() OVERRIDE {}
  89   virtual void UpdateWindowTitle() OVERRIDE {}
  90   virtual void SizeConstraintsChanged() OVERRIDE {}
  91
  92   DISALLOW_COPY_AND_ASSIGN(MaxSizeNCFV);
  93 };
  94
  95 class MaxSizeWidgetDelegate : public views::WidgetDelegateView {
  96  public:
  97   MaxSizeWidgetDelegate() {}
  98   virtual ~MaxSizeWidgetDelegate() {}
  99
 100  private:
 101   virtual bool CanResize() const OVERRIDE { return true; }
 102   virtual bool CanMaximize() const OVERRIDE { return false; }
 103   virtual void DeleteDelegate() OVERRIDE { delete this; }
 104   virtual views::NonClientFrameView* CreateNonClientFrameView(
 105       views::Widget* widget) OVERRIDE {
 106     return new MaxSizeNCFV;
 107   }
 108
 109   DISALLOW_COPY_AND_ASSIGN(MaxSizeWidgetDelegate);
 110 };
 111
 112 } // namespace
 113
 114 class SystemGestureEventFilterTest : public AshTestBase {
 115  public:
 116   SystemGestureEventFilterTest() : AshTestBase() {}
 117   virtual ~SystemGestureEventFilterTest() {}
 118
 119   LongPressAffordanceHandler* GetLongPressAffordance() {
 120     ShellTestApi shell_test(Shell::GetInstance());
 121     return shell_test.system_gesture_event_filter()->
 122         long_press_affordance_.get();
 123   }
 124
 125   base::OneShotTimer<LongPressAffordanceHandler>*
 126   GetLongPressAffordanceTimer() {
 127     return &GetLongPressAffordance()->timer_;
 128   }
 129
 130   aura::Window* GetLongPressAffordanceTarget() {
 131     return GetLongPressAffordance()->tap_down_target_;
 132   }
 133
 134   views::View* GetLongPressAffordanceView() {
 135     return reinterpret_cast<views::View*>(
 136         GetLongPressAffordance()->view_.get());
 137   }
 138
 139   // Overridden from AshTestBase:
 140   virtual void SetUp() OVERRIDE {
 141     // TODO(jonross): TwoFingerDragDelayed() and ThreeFingerGestureStopsDrag()
 142     // both use hardcoded touch points, assuming that they target empty header
 143     // space. Window control order now reflects configuration files and can
 144     // change. The tests should be improved to dynamically decide touch points.
 145     // To address this we specify the originally expected window control
 146     // positions to be consistent across tests.
 147     std::vector<views::FrameButton> leading;
 148     std::vector<views::FrameButton> trailing;
 149     trailing.push_back(views::FRAME_BUTTON_MINIMIZE);
 150     trailing.push_back(views::FRAME_BUTTON_MAXIMIZE);
 151     trailing.push_back(views::FRAME_BUTTON_CLOSE);
 152     views::WindowButtonOrderProvider::GetInstance()->
 153         SetWindowButtonOrder(leading, trailing);
 154
 155     test::AshTestBase::SetUp();
 156     // Enable brightness key.
 157     test::DisplayManagerTestApi(Shell::GetInstance()->display_manager()).
 158         SetFirstDisplayAsInternalDisplay();
 159   }
 160
 161  private:
 162   DISALLOW_COPY_AND_ASSIGN(SystemGestureEventFilterTest);
 163 };
 164
 165 ui::GestureEvent* CreateGesture(ui::EventType type,
 166                                 int x,
 167                                 int y,
 168                                 float delta_x,
 169                                 float delta_y,
 170                                 int touch_id) {
 171   ui::GestureEventDetails details =
 172       ui::GestureEventDetails(type, delta_x, delta_y);
 173   details.set_oldest_touch_id(touch_id);
 174   return new ui::GestureEvent(x, y, 0,
 175       base::TimeDelta::FromMilliseconds(base::Time::Now().ToDoubleT() * 1000),
 176       ui::GestureEventDetails(type, delta_x, delta_y));
 177 }
 178
 179 TEST_F(SystemGestureEventFilterTest, LongPressAffordanceStateOnCaptureLoss) {
 180   aura::Window* root_window = Shell::GetPrimaryRootWindow();
 181
 182   aura::test::TestWindowDelegate delegate;
 183   scoped_ptr<aura::Window> window0(
 184       aura::test::CreateTestWindowWithDelegate(
 185           &delegate, 9, gfx::Rect(0, 0, 100, 100), root_window));
 186   scoped_ptr<aura::Window> window1(
 187       aura::test::CreateTestWindowWithDelegate(
 188           &delegate, 10, gfx::Rect(0, 0, 100, 50), window0.get()));
 189   scoped_ptr<aura::Window> window2(
 190       aura::test::CreateTestWindowWithDelegate(
 191           &delegate, 11, gfx::Rect(0, 50, 100, 50), window0.get()));
 192
 193   const int kTouchId = 5;
 194
 195   // Capture first window.
 196   window1->SetCapture();
 197   EXPECT_TRUE(window1->HasCapture());
 198
 199   // Send touch event to first window.
 200   ui::TouchEvent press(ui::ET_TOUCH_PRESSED,
 201                        gfx::Point(10, 10),
 202                        kTouchId,
 203                        ui::EventTimeForNow());
 204   ui::EventDispatchDetails details =
 205       root_window->GetHost()->dispatcher()->OnEventFromSource(&press);
 206   ASSERT_FALSE(details.dispatcher_destroyed);
 207   EXPECT_TRUE(window1->HasCapture());
 208
 209   base::OneShotTimer<LongPressAffordanceHandler>* timer =
 210       GetLongPressAffordanceTimer();
 211   EXPECT_TRUE(timer->IsRunning());
 212   EXPECT_EQ(window1, GetLongPressAffordanceTarget());
 213
 214   // Force timeout so that the affordance animation can start.
 215   timer->user_task().Run();
 216   timer->Stop();
 217   EXPECT_TRUE(GetLongPressAffordance()->is_animating());
 218
 219   // Change capture.
 220   window2->SetCapture();
 221   EXPECT_TRUE(window2->HasCapture());
 222
 223   EXPECT_TRUE(GetLongPressAffordance()->is_animating());
 224   EXPECT_EQ(window1, GetLongPressAffordanceTarget());
 225
 226   // Animate to completion.
 227   GetLongPressAffordance()->End();  // end grow animation.
 228   // Force timeout to start shrink animation.
 229   EXPECT_TRUE(timer->IsRunning());
 230   timer->user_task().Run();
 231   timer->Stop();
 232   EXPECT_TRUE(GetLongPressAffordance()->is_animating());
 233   GetLongPressAffordance()->End();  // end shrink animation.
 234
 235   // Check if state has reset.
 236   EXPECT_EQ(NULL, GetLongPressAffordanceTarget());
 237   EXPECT_EQ(NULL, GetLongPressAffordanceView());
 238 }
 239
 240 TEST_F(SystemGestureEventFilterTest, TwoFingerDrag) {
 241   gfx::Rect bounds(0, 0, 600, 600);
 242   aura::Window* root_window = Shell::GetPrimaryRootWindow();
 243   views::Widget* toplevel = views::Widget::CreateWindowWithContextAndBounds(
 244       new ResizableWidgetDelegate, root_window, bounds);
 245   toplevel->Show();
 246
 247   const int kSteps = 15;
 248   const int kTouchPoints = 2;
 249   gfx::Point points[kTouchPoints] = {
 250     gfx::Point(250, 250),
 251     gfx::Point(350, 350),
 252   };
 253
 254   ui::test::EventGenerator generator(root_window, toplevel->GetNativeWindow());
 255
 256   wm::WindowState* toplevel_state =
 257       wm::GetWindowState(toplevel->GetNativeWindow());
 258   // Swipe down to minimize.
 259   generator.GestureMultiFingerScroll(kTouchPoints, points, 15, kSteps, 0, 150);
 260   EXPECT_TRUE(toplevel_state->IsMinimized());
 261
 262   toplevel->Restore();
 263   toplevel->GetNativeWindow()->SetBounds(bounds);
 264
 265   // Swipe up to maximize.
 266   generator.GestureMultiFingerScroll(kTouchPoints, points, 15, kSteps, 0, -150);
 267   EXPECT_TRUE(toplevel_state->IsMaximized());
 268
 269   toplevel->Restore();
 270   toplevel->GetNativeWindow()->SetBounds(bounds);
 271
 272   // Swipe right to snap.
 273   gfx::Rect normal_bounds = toplevel->GetWindowBoundsInScreen();
 274   generator.GestureMultiFingerScroll(kTouchPoints, points, 15, kSteps, 150, 0);
 275   gfx::Rect right_tile_bounds = toplevel->GetWindowBoundsInScreen();
 276   EXPECT_NE(normal_bounds.ToString(), right_tile_bounds.ToString());
 277
 278   // Swipe left to snap.
 279   gfx::Point left_points[kTouchPoints];
 280   for (int i = 0; i < kTouchPoints; ++i) {
 281     left_points[i] = points[i];
 282     left_points[i].Offset(right_tile_bounds.x(), right_tile_bounds.y());
 283   }
 284   generator.GestureMultiFingerScroll(kTouchPoints, left_points, 15, kSteps,
 285       -150, 0);
 286   gfx::Rect left_tile_bounds = toplevel->GetWindowBoundsInScreen();
 287   EXPECT_NE(normal_bounds.ToString(), left_tile_bounds.ToString());
 288   EXPECT_NE(right_tile_bounds.ToString(), left_tile_bounds.ToString());
 289
 290   // Swipe right again.
 291   generator.GestureMultiFingerScroll(kTouchPoints, points, 15, kSteps, 150, 0);
 292   gfx::Rect current_bounds = toplevel->GetWindowBoundsInScreen();
 293   EXPECT_NE(current_bounds.ToString(), left_tile_bounds.ToString());
 294   EXPECT_EQ(current_bounds.ToString(), right_tile_bounds.ToString());
 295 }
 296
 297 TEST_F(SystemGestureEventFilterTest, TwoFingerDragTwoWindows) {
 298   aura::Window* root_window = Shell::GetPrimaryRootWindow();
 299   ui::GestureConfiguration::set_max_separation_for_gesture_touches_in_pixels(0);
 300   views::Widget* first = views::Widget::CreateWindowWithContextAndBounds(
 301       new ResizableWidgetDelegate, root_window, gfx::Rect(10, 0, 50, 100));
 302   first->Show();
 303   views::Widget* second = views::Widget::CreateWindowWithContextAndBounds(
 304       new ResizableWidgetDelegate, root_window, gfx::Rect(100, 0, 100, 100));
 305   second->Show();
 306
 307   // Start a two-finger drag on |first|, and then try to use another two-finger
 308   // drag to move |second|. The attempt to move |second| should fail.
 309   const gfx::Rect& first_bounds = first->GetWindowBoundsInScreen();
 310   const gfx::Rect& second_bounds = second->GetWindowBoundsInScreen();
 311   const int kSteps = 15;
 312   const int kTouchPoints = 4;
 313   gfx::Point points[kTouchPoints] = {
 314     first_bounds.origin() + gfx::Vector2d(5, 5),
 315     first_bounds.origin() + gfx::Vector2d(30, 10),
 316     second_bounds.origin() + gfx::Vector2d(5, 5),
 317     second_bounds.origin() + gfx::Vector2d(40, 20)
 318   };
 319
 320   ui::test::EventGenerator generator(root_window);
 321   // Do not drag too fast to avoid fling.
 322   generator.GestureMultiFingerScroll(kTouchPoints, points,
 323       50, kSteps, 0, 150);
 324
 325   EXPECT_NE(first_bounds.ToString(),
 326             first->GetWindowBoundsInScreen().ToString());
 327   EXPECT_EQ(second_bounds.ToString(),
 328             second->GetWindowBoundsInScreen().ToString());
 329 }
 330
 331 TEST_F(SystemGestureEventFilterTest, WindowsWithMaxSizeDontSnap) {
 332   gfx::Rect bounds(250, 150, 100, 100);
 333   aura::Window* root_window = Shell::GetPrimaryRootWindow();
 334   views::Widget* toplevel = views::Widget::CreateWindowWithContextAndBounds(
 335       new MaxSizeWidgetDelegate, root_window, bounds);
 336   toplevel->Show();
 337
 338   const int kSteps = 15;
 339   const int kTouchPoints = 2;
 340   gfx::Point points[kTouchPoints] = {
 341     gfx::Point(bounds.x() + 10, bounds.y() + 30),
 342     gfx::Point(bounds.x() + 30, bounds.y() + 20),
 343   };
 344
 345   ui::test::EventGenerator generator(root_window, toplevel->GetNativeWindow());
 346
 347   // Swipe down to minimize.
 348   generator.GestureMultiFingerScroll(kTouchPoints, points, 15, kSteps, 0, 150);
 349   wm::WindowState* toplevel_state =
 350       wm::GetWindowState(toplevel->GetNativeWindow());
 351   EXPECT_TRUE(toplevel_state->IsMinimized());
 352
 353   toplevel->Restore();
 354   toplevel->GetNativeWindow()->SetBounds(bounds);
 355
 356   // Check that swiping up doesn't maximize.
 357   generator.GestureMultiFingerScroll(kTouchPoints, points, 15, kSteps, 0, -150);
 358   EXPECT_FALSE(toplevel_state->IsMaximized());
 359
 360   toplevel->Restore();
 361   toplevel->GetNativeWindow()->SetBounds(bounds);
 362
 363   // Check that swiping right doesn't snap.
 364   gfx::Rect normal_bounds = toplevel->GetWindowBoundsInScreen();
 365   generator.GestureMultiFingerScroll(kTouchPoints, points, 15, kSteps, 150, 0);
 366   normal_bounds.set_x(normal_bounds.x() + 150);
 367   EXPECT_EQ(normal_bounds.ToString(),
 368       toplevel->GetWindowBoundsInScreen().ToString());
 369
 370   toplevel->GetNativeWindow()->SetBounds(bounds);
 371
 372   // Check that swiping left doesn't snap.
 373   normal_bounds = toplevel->GetWindowBoundsInScreen();
 374   generator.GestureMultiFingerScroll(kTouchPoints, points, 15, kSteps, -150, 0);
 375   normal_bounds.set_x(normal_bounds.x() - 150);
 376   EXPECT_EQ(normal_bounds.ToString(),
 377       toplevel->GetWindowBoundsInScreen().ToString());
 378
 379   toplevel->GetNativeWindow()->SetBounds(bounds);
 380
 381   // Swipe right again, make sure the window still doesn't snap.
 382   normal_bounds = toplevel->GetWindowBoundsInScreen();
 383   normal_bounds.set_x(normal_bounds.x() + 150);
 384   generator.GestureMultiFingerScroll(kTouchPoints, points, 15, kSteps, 150, 0);
 385   EXPECT_EQ(normal_bounds.ToString(),
 386       toplevel->GetWindowBoundsInScreen().ToString());
 387 }
 388
 389 TEST_F(SystemGestureEventFilterTest, DISABLED_TwoFingerDragEdge) {
 390   gfx::Rect bounds(0, 0, 200, 100);
 391   aura::Window* root_window = Shell::GetPrimaryRootWindow();
 392   views::Widget* toplevel = views::Widget::CreateWindowWithContextAndBounds(
 393       new ResizableWidgetDelegate, root_window, bounds);
 394   toplevel->Show();
 395
 396   const int kSteps = 15;
 397   const int kTouchPoints = 2;
 398   gfx::Point points[kTouchPoints] = {
 399     gfx::Point(30, 20),  // Caption
 400     gfx::Point(0, 40),   // Left edge
 401   };
 402
 403   EXPECT_EQ(HTCAPTION, toplevel->GetNativeWindow()->delegate()->
 404                       GetNonClientComponent(points[0]));
 405   EXPECT_EQ(HTLEFT, toplevel->GetNativeWindow()->delegate()->
 406         GetNonClientComponent(points[1]));
 407
 408   ui::test::EventGenerator generator(root_window, toplevel->GetNativeWindow());
 409
 410   bounds = toplevel->GetNativeWindow()->bounds();
 411   // Swipe down. Nothing should happen.
 412   generator.GestureMultiFingerScroll(kTouchPoints, points, 15, kSteps, 0, 150);
 413   EXPECT_EQ(bounds.ToString(),
 414             toplevel->GetNativeWindow()->bounds().ToString());
 415 }
 416
 417 // We do not allow resizing a window via multiple edges simultaneously. Test
 418 // that the behavior is reasonable if a user attempts to resize a window via
 419 // several edges.
 420 TEST_F(SystemGestureEventFilterTest,
 421        TwoFingerAttemptResizeLeftAndRightEdgesSimultaneously) {
 422   gfx::Rect initial_bounds(0, 0, 400, 400);
 423   views::Widget* toplevel =
 424       views::Widget::CreateWindowWithContextAndBounds(
 425           new ResizableWidgetDelegate, CurrentContext(), initial_bounds);
 426   toplevel->Show();
 427
 428   const int kSteps = 15;
 429   const int kTouchPoints = 2;
 430   gfx::Point points[kTouchPoints] = {
 431     gfx::Point(0, 40),    // Left edge
 432     gfx::Point(399, 40),  // Right edge
 433   };
 434   int delays[kTouchPoints] = {0, 120};
 435
 436   EXPECT_EQ(HTLEFT, toplevel->GetNonClientComponent(points[0]));
 437   EXPECT_EQ(HTRIGHT, toplevel->GetNonClientComponent(points[1]));
 438
 439   GetEventGenerator().GestureMultiFingerScrollWithDelays(
 440       kTouchPoints, points, delays, 15, kSteps, 0, 40);
 441
 442   // The window bounds should not have changed because neither of the fingers
 443   // moved horizontally.
 444   EXPECT_EQ(initial_bounds.ToString(),
 445             toplevel->GetNativeWindow()->bounds().ToString());
 446 }
 447
 448 TEST_F(SystemGestureEventFilterTest, TwoFingerDragDelayed) {
 449   gfx::Rect bounds(0, 0, 200, 100);
 450   aura::Window* root_window = Shell::GetPrimaryRootWindow();
 451   views::Widget* toplevel = views::Widget::CreateWindowWithContextAndBounds(
 452       new ResizableWidgetDelegate, root_window, bounds);
 453   toplevel->Show();
 454
 455   const int kSteps = 15;
 456   const int kTouchPoints = 2;
 457   gfx::Point points[kTouchPoints] = {
 458     gfx::Point(30, 20),  // Caption
 459     gfx::Point(34, 20),  // Caption
 460   };
 461   int delays[kTouchPoints] = {0, 120};
 462
 463   EXPECT_EQ(HTCAPTION, toplevel->GetNativeWindow()->delegate()->
 464         GetNonClientComponent(points[0]));
 465   EXPECT_EQ(HTCAPTION, toplevel->GetNativeWindow()->delegate()->
 466         GetNonClientComponent(points[1]));
 467
 468   ui::test::EventGenerator generator(root_window, toplevel->GetNativeWindow());
 469
 470   bounds = toplevel->GetNativeWindow()->bounds();
 471   // Swipe right and down starting with one finger.
 472   // Add another finger after 120ms and continue dragging.
 473   // The window should move and the drag should be determined by the center
 474   // point between the fingers.
 475   generator.GestureMultiFingerScrollWithDelays(
 476       kTouchPoints, points, delays, 15, kSteps, 150, 150);
 477   bounds += gfx::Vector2d(150 + (points[1].x() - points[0].x()) / 2, 150);
 478   EXPECT_EQ(bounds.ToString(),
 479             toplevel->GetNativeWindow()->bounds().ToString());
 480 }
 481
 482 TEST_F(SystemGestureEventFilterTest, ThreeFingerGestureStopsDrag) {
 483   gfx::Rect bounds(0, 0, 200, 100);
 484   aura::Window* root_window = Shell::GetPrimaryRootWindow();
 485   views::Widget* toplevel = views::Widget::CreateWindowWithContextAndBounds(
 486       new ResizableWidgetDelegate, root_window, bounds);
 487   toplevel->Show();
 488
 489   const int kSteps = 10;
 490   const int kTouchPoints = 3;
 491   gfx::Point points[kTouchPoints] = {
 492     gfx::Point(30, 20),  // Caption
 493     gfx::Point(34, 20),  // Caption
 494     gfx::Point(38, 20),  // Caption
 495   };
 496   int delays[kTouchPoints] = {0, 0, 120};
 497
 498   EXPECT_EQ(HTCAPTION, toplevel->GetNativeWindow()->delegate()->
 499         GetNonClientComponent(points[0]));
 500   EXPECT_EQ(HTCAPTION, toplevel->GetNativeWindow()->delegate()->
 501         GetNonClientComponent(points[1]));
 502
 503   ui::test::EventGenerator generator(root_window, toplevel->GetNativeWindow());
 504
 505   bounds = toplevel->GetNativeWindow()->bounds();
 506   // Swipe right and down starting with two fingers.
 507   // Add third finger after 120ms and continue dragging.
 508   // The window should start moving but stop when the 3rd finger touches down.
 509   const int kEventSeparation = 15;
 510   generator.GestureMultiFingerScrollWithDelays(
 511       kTouchPoints, points, delays, kEventSeparation, kSteps, 150, 150);
 512   int expected_drag = 150 / kSteps * 120 / kEventSeparation;
 513   bounds += gfx::Vector2d(expected_drag, expected_drag);
 514   EXPECT_EQ(bounds.ToString(),
 515             toplevel->GetNativeWindow()->bounds().ToString());
 516 }
 517
 518 TEST_F(SystemGestureEventFilterTest, DragLeftNearEdgeSnaps) {
 519   gfx::Rect bounds(200, 150, 400, 100);
 520   aura::Window* root_window = Shell::GetPrimaryRootWindow();
 521   views::Widget* toplevel = views::Widget::CreateWindowWithContextAndBounds(
 522       new ResizableWidgetDelegate, root_window, bounds);
 523   toplevel->Show();
 524
 525   const int kSteps = 15;
 526   const int kTouchPoints = 2;
 527   gfx::Point points[kTouchPoints] = {
 528     gfx::Point(bounds.x() + bounds.width() / 2, bounds.y() + 5),
 529     gfx::Point(bounds.x() + bounds.width() / 2, bounds.y() + 5),
 530   };
 531   aura::Window* toplevel_window = toplevel->GetNativeWindow();
 532   ui::test::EventGenerator generator(root_window, toplevel_window);
 533
 534   // Check that dragging left snaps before reaching the screen edge.
 535   gfx::Rect work_area =
 536       Shell::GetScreen()->GetDisplayNearestWindow(root_window).work_area();
 537   int drag_x = work_area.x() + 20 - points[0].x();
 538   generator.GestureMultiFingerScroll(
 539       kTouchPoints, points, 120, kSteps, drag_x, 0);
 540
 541   EXPECT_EQ(wm::GetDefaultLeftSnappedWindowBoundsInParent(
 542                 toplevel_window).ToString(),
 543             toplevel_window->bounds().ToString());
 544 }
 545
 546 TEST_F(SystemGestureEventFilterTest, DragRightNearEdgeSnaps) {
 547   gfx::Rect bounds(200, 150, 400, 100);
 548   aura::Window* root_window = Shell::GetPrimaryRootWindow();
 549   views::Widget* toplevel = views::Widget::CreateWindowWithContextAndBounds(
 550       new ResizableWidgetDelegate, root_window, bounds);
 551   toplevel->Show();
 552
 553   const int kSteps = 15;
 554   const int kTouchPoints = 2;
 555   gfx::Point points[kTouchPoints] = {
 556     gfx::Point(bounds.x() + bounds.width() / 2, bounds.y() + 5),
 557     gfx::Point(bounds.x() + bounds.width() / 2, bounds.y() + 5),
 558   };
 559   aura::Window* toplevel_window = toplevel->GetNativeWindow();
 560   ui::test::EventGenerator generator(root_window, toplevel_window);
 561
 562   // Check that dragging right snaps before reaching the screen edge.
 563   gfx::Rect work_area =
 564       Shell::GetScreen()->GetDisplayNearestWindow(root_window).work_area();
 565   int drag_x = work_area.right() - 20 - points[0].x();
 566   generator.GestureMultiFingerScroll(
 567       kTouchPoints, points, 120, kSteps, drag_x, 0);
 568   EXPECT_EQ(wm::GetDefaultRightSnappedWindowBoundsInParent(
 569                 toplevel_window).ToString(),
 570             toplevel_window->bounds().ToString());
 571 }
 572
 573 // Tests that the window manager does not consume gesture events targeted to
 574 // windows of type WINDOW_TYPE_CONTROL. This is important because the web
 575 // contents are often (but not always) of type WINDOW_TYPE_CONTROL.
 576 TEST_F(SystemGestureEventFilterTest,
 577        ControlWindowGetsMultiFingerGestureEvents) {
 578   scoped_ptr<aura::Window> parent(
 579       CreateTestWindowInShellWithBounds(gfx::Rect(100, 100)));
 580
 581   aura::test::EventCountDelegate delegate;
 582   delegate.set_window_component(HTCLIENT);
 583   scoped_ptr<aura::Window> child(new aura::Window(&delegate));
 584   child->SetType(ui::wm::WINDOW_TYPE_CONTROL);
 585   child->Init(aura::WINDOW_LAYER_TEXTURED);
 586   parent->AddChild(child.get());
 587   child->SetBounds(gfx::Rect(100, 100));
 588   child->Show();
 589
 590   ui::test::TestEventHandler event_handler;
 591   aura::Env::GetInstance()->PrependPreTargetHandler(&event_handler);
 592
 593   GetEventGenerator().MoveMouseTo(0, 0);
 594   for (int i = 1; i <= 3; ++i)
 595     GetEventGenerator().PressTouchId(i);
 596   for (int i = 1; i <= 3; ++i)
 597     GetEventGenerator().ReleaseTouchId(i);
 598   EXPECT_EQ(event_handler.num_gesture_events(),
 599             delegate.GetGestureCountAndReset());
 600
 601   aura::Env::GetInstance()->RemovePreTargetHandler(&event_handler);
 602 }
 603
 604 }  // namespace test
 605 }  // namespace ash