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 "ui/aura/root_window.h"
6
7#include <vector>
8
9#include "testing/gtest/include/gtest/gtest.h"
10#include "ui/aura/client/event_client.h"
11#include "ui/aura/env.h"
12#include "ui/aura/focus_manager.h"
13#include "ui/aura/test/aura_test_base.h"
14#include "ui/aura/test/event_generator.h"
15#include "ui/aura/test/test_cursor_client.h"
16#include "ui/aura/test/test_event_handler.h"
17#include "ui/aura/test/test_window_delegate.h"
18#include "ui/aura/test/test_windows.h"
19#include "ui/aura/window_tracker.h"
20#include "ui/base/events/event.h"
21#include "ui/base/events/event_handler.h"
22#include "ui/base/events/event_utils.h"
23#include "ui/base/gestures/gesture_configuration.h"
24#include "ui/base/hit_test.h"
25#include "ui/base/keycodes/keyboard_codes.h"
26#include "ui/gfx/point.h"
27#include "ui/gfx/rect.h"
28#include "ui/gfx/screen.h"
29#include "ui/gfx/transform.h"
30
31namespace aura {
32namespace {
33
34// A delegate that always returns a non-client component for hit tests.
35class NonClientDelegate : public test::TestWindowDelegate {
36 public:
37  NonClientDelegate()
38      : non_client_count_(0),
39        mouse_event_count_(0),
40        mouse_event_flags_(0x0) {
41  }
42  virtual ~NonClientDelegate() {}
43
44  int non_client_count() const { return non_client_count_; }
45  gfx::Point non_client_location() const { return non_client_location_; }
46  int mouse_event_count() const { return mouse_event_count_; }
47  gfx::Point mouse_event_location() const { return mouse_event_location_; }
48  int mouse_event_flags() const { return mouse_event_flags_; }
49
50  virtual int GetNonClientComponent(const gfx::Point& location) const OVERRIDE {
51    NonClientDelegate* self = const_cast<NonClientDelegate*>(this);
52    self->non_client_count_++;
53    self->non_client_location_ = location;
54    return HTTOPLEFT;
55  }
56  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
57    mouse_event_count_++;
58    mouse_event_location_ = event->location();
59    mouse_event_flags_ = event->flags();
60    event->SetHandled();
61  }
62
63 private:
64  int non_client_count_;
65  gfx::Point non_client_location_;
66  int mouse_event_count_;
67  gfx::Point mouse_event_location_;
68  int mouse_event_flags_;
69
70  DISALLOW_COPY_AND_ASSIGN(NonClientDelegate);
71};
72
73// A simple event handler that consumes key events.
74class ConsumeKeyHandler : public test::TestEventHandler {
75 public:
76  ConsumeKeyHandler() {}
77  virtual ~ConsumeKeyHandler() {}
78
79  // Overridden from ui::EventHandler:
80  virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE {
81    test::TestEventHandler::OnKeyEvent(event);
82    event->StopPropagation();
83  }
84
85 private:
86  DISALLOW_COPY_AND_ASSIGN(ConsumeKeyHandler);
87};
88
89bool IsFocusedWindow(aura::Window* window) {
90  return client::GetFocusClient(window)->GetFocusedWindow() == window;
91}
92
93}  // namespace
94
95typedef test::AuraTestBase RootWindowTest;
96
97TEST_F(RootWindowTest, OnHostMouseEvent) {
98  // Create two non-overlapping windows so we don't have to worry about which
99  // is on top.
100  scoped_ptr<NonClientDelegate> delegate1(new NonClientDelegate());
101  scoped_ptr<NonClientDelegate> delegate2(new NonClientDelegate());
102  const int kWindowWidth = 123;
103  const int kWindowHeight = 45;
104  gfx::Rect bounds1(100, 200, kWindowWidth, kWindowHeight);
105  gfx::Rect bounds2(300, 400, kWindowWidth, kWindowHeight);
106  scoped_ptr<aura::Window> window1(CreateTestWindowWithDelegate(
107      delegate1.get(), -1234, bounds1, root_window()));
108  scoped_ptr<aura::Window> window2(CreateTestWindowWithDelegate(
109      delegate2.get(), -5678, bounds2, root_window()));
110
111  // Send a mouse event to window1.
112  gfx::Point point(101, 201);
113  ui::MouseEvent event1(
114      ui::ET_MOUSE_PRESSED, point, point, ui::EF_LEFT_MOUSE_BUTTON);
115  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(&event1);
116
117  // Event was tested for non-client area for the target window.
118  EXPECT_EQ(1, delegate1->non_client_count());
119  EXPECT_EQ(0, delegate2->non_client_count());
120  // The non-client component test was in local coordinates.
121  EXPECT_EQ(gfx::Point(1, 1), delegate1->non_client_location());
122  // Mouse event was received by target window.
123  EXPECT_EQ(1, delegate1->mouse_event_count());
124  EXPECT_EQ(0, delegate2->mouse_event_count());
125  // Event was in local coordinates.
126  EXPECT_EQ(gfx::Point(1, 1), delegate1->mouse_event_location());
127  // Non-client flag was set.
128  EXPECT_TRUE(delegate1->mouse_event_flags() & ui::EF_IS_NON_CLIENT);
129}
130
131TEST_F(RootWindowTest, RepostEvent) {
132  // Test RepostEvent in RootWindow. It only works for Mouse Press.
133  EXPECT_FALSE(Env::GetInstance()->is_mouse_button_down());
134  gfx::Point point(10, 10);
135  ui::MouseEvent event(
136      ui::ET_MOUSE_PRESSED, point, point, ui::EF_LEFT_MOUSE_BUTTON);
137  root_window()->RepostEvent(event);
138  RunAllPendingInMessageLoop();
139  EXPECT_TRUE(Env::GetInstance()->is_mouse_button_down());
140}
141
142// Check that we correctly track the state of the mouse buttons in response to
143// button press and release events.
144TEST_F(RootWindowTest, MouseButtonState) {
145  EXPECT_FALSE(Env::GetInstance()->is_mouse_button_down());
146
147  gfx::Point location;
148  scoped_ptr<ui::MouseEvent> event;
149
150  // Press the left button.
151  event.reset(new ui::MouseEvent(
152      ui::ET_MOUSE_PRESSED,
153      location,
154      location,
155      ui::EF_LEFT_MOUSE_BUTTON));
156  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(event.get());
157  EXPECT_TRUE(Env::GetInstance()->is_mouse_button_down());
158
159  // Additionally press the right.
160  event.reset(new ui::MouseEvent(
161      ui::ET_MOUSE_PRESSED,
162      location,
163      location,
164      ui::EF_LEFT_MOUSE_BUTTON | ui::EF_RIGHT_MOUSE_BUTTON));
165  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(event.get());
166  EXPECT_TRUE(Env::GetInstance()->is_mouse_button_down());
167
168  // Release the left button.
169  event.reset(new ui::MouseEvent(
170      ui::ET_MOUSE_RELEASED,
171      location,
172      location,
173      ui::EF_RIGHT_MOUSE_BUTTON));
174  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(event.get());
175  EXPECT_TRUE(Env::GetInstance()->is_mouse_button_down());
176
177  // Release the right button.  We should ignore the Shift-is-down flag.
178  event.reset(new ui::MouseEvent(
179      ui::ET_MOUSE_RELEASED,
180      location,
181      location,
182      ui::EF_SHIFT_DOWN));
183  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(event.get());
184  EXPECT_FALSE(Env::GetInstance()->is_mouse_button_down());
185
186  // Press the middle button.
187  event.reset(new ui::MouseEvent(
188      ui::ET_MOUSE_PRESSED,
189      location,
190      location,
191      ui::EF_MIDDLE_MOUSE_BUTTON));
192  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(event.get());
193  EXPECT_TRUE(Env::GetInstance()->is_mouse_button_down());
194}
195
196TEST_F(RootWindowTest, TranslatedEvent) {
197  scoped_ptr<Window> w1(test::CreateTestWindowWithDelegate(NULL, 1,
198      gfx::Rect(50, 50, 100, 100), root_window()));
199
200  gfx::Point origin(100, 100);
201  ui::MouseEvent root(ui::ET_MOUSE_PRESSED, origin, origin, 0);
202
203  EXPECT_EQ("100,100", root.location().ToString());
204  EXPECT_EQ("100,100", root.root_location().ToString());
205
206  ui::MouseEvent translated_event(
207      root, static_cast<Window*>(root_window()), w1.get(),
208      ui::ET_MOUSE_ENTERED, root.flags());
209  EXPECT_EQ("50,50", translated_event.location().ToString());
210  EXPECT_EQ("100,100", translated_event.root_location().ToString());
211}
212
213namespace {
214
215class TestEventClient : public client::EventClient {
216 public:
217  static const int kNonLockWindowId = 100;
218  static const int kLockWindowId = 200;
219
220  explicit TestEventClient(RootWindow* root_window)
221      : root_window_(root_window),
222        lock_(false) {
223    client::SetEventClient(root_window_, this);
224    Window* lock_window =
225        test::CreateTestWindowWithBounds(root_window_->bounds(), root_window_);
226    lock_window->set_id(kLockWindowId);
227    Window* non_lock_window =
228        test::CreateTestWindowWithBounds(root_window_->bounds(), root_window_);
229    non_lock_window->set_id(kNonLockWindowId);
230  }
231  virtual ~TestEventClient() {
232    client::SetEventClient(root_window_, NULL);
233  }
234
235  // Starts/stops locking. Locking prevents windows other than those inside
236  // the lock container from receiving events, getting focus etc.
237  void Lock() {
238    lock_ = true;
239  }
240  void Unlock() {
241    lock_ = false;
242  }
243
244  Window* GetLockWindow() {
245    return const_cast<Window*>(
246        static_cast<const TestEventClient*>(this)->GetLockWindow());
247  }
248  const Window* GetLockWindow() const {
249    return root_window_->GetChildById(kLockWindowId);
250  }
251  Window* GetNonLockWindow() {
252    return root_window_->GetChildById(kNonLockWindowId);
253  }
254
255 private:
256  // Overridden from client::EventClient:
257  virtual bool CanProcessEventsWithinSubtree(
258      const Window* window) const OVERRIDE {
259    return lock_ ?
260        window->Contains(GetLockWindow()) || GetLockWindow()->Contains(window) :
261        true;
262  }
263
264  virtual ui::EventTarget* GetToplevelEventTarget() OVERRIDE {
265    return NULL;
266  }
267
268  RootWindow* root_window_;
269  bool lock_;
270
271  DISALLOW_COPY_AND_ASSIGN(TestEventClient);
272};
273
274}  // namespace
275
276TEST_F(RootWindowTest, CanProcessEventsWithinSubtree) {
277  TestEventClient client(root_window());
278  test::TestWindowDelegate d;
279
280  test::TestEventHandler* nonlock_ef = new test::TestEventHandler;
281  test::TestEventHandler* lock_ef = new test::TestEventHandler;
282  client.GetNonLockWindow()->SetEventFilter(nonlock_ef);
283  client.GetLockWindow()->SetEventFilter(lock_ef);
284
285  Window* w1 = test::CreateTestWindowWithBounds(gfx::Rect(10, 10, 20, 20),
286                                                client.GetNonLockWindow());
287  w1->set_id(1);
288  Window* w2 = test::CreateTestWindowWithBounds(gfx::Rect(30, 30, 20, 20),
289                                                client.GetNonLockWindow());
290  w2->set_id(2);
291  scoped_ptr<Window> w3(
292      test::CreateTestWindowWithDelegate(&d, 3, gfx::Rect(30, 30, 20, 20),
293                                         client.GetLockWindow()));
294
295  w1->Focus();
296  EXPECT_TRUE(IsFocusedWindow(w1));
297
298  client.Lock();
299
300  // Since we're locked, the attempt to focus w2 will be ignored.
301  w2->Focus();
302  EXPECT_TRUE(IsFocusedWindow(w1));
303  EXPECT_FALSE(IsFocusedWindow(w2));
304
305  {
306    // Attempting to send a key event to w1 (not in the lock container) should
307    // cause focus to be reset.
308    test::EventGenerator generator(root_window());
309    generator.PressKey(ui::VKEY_SPACE, 0);
310    EXPECT_EQ(NULL, client::GetFocusClient(w1)->GetFocusedWindow());
311  }
312
313  {
314    // Events sent to a window not in the lock container will not be processed.
315    // i.e. never sent to the non-lock container's event filter.
316    test::EventGenerator generator(root_window(), w1);
317    generator.PressLeftButton();
318    EXPECT_EQ(0, nonlock_ef->num_mouse_events());
319
320    // Events sent to a window in the lock container will be processed.
321    test::EventGenerator generator3(root_window(), w3.get());
322    generator3.PressLeftButton();
323    EXPECT_EQ(1, lock_ef->num_mouse_events());
324  }
325
326  // Prevent w3 from being deleted by the hierarchy since its delegate is owned
327  // by this scope.
328  w3->parent()->RemoveChild(w3.get());
329}
330
331TEST_F(RootWindowTest, IgnoreUnknownKeys) {
332  test::TestEventHandler* filter = new ConsumeKeyHandler;
333  root_window()->SetEventFilter(filter);  // passes ownership
334
335  ui::KeyEvent unknown_event(ui::ET_KEY_PRESSED, ui::VKEY_UNKNOWN, 0, false);
336  EXPECT_FALSE(root_window()->AsRootWindowHostDelegate()->OnHostKeyEvent(
337      &unknown_event));
338  EXPECT_EQ(0, filter->num_key_events());
339
340  ui::KeyEvent known_event(ui::ET_KEY_PRESSED, ui::VKEY_A, 0, false);
341  EXPECT_TRUE(root_window()->AsRootWindowHostDelegate()->OnHostKeyEvent(
342      &known_event));
343  EXPECT_EQ(1, filter->num_key_events());
344}
345
346// Tests that touch-events that are beyond the bounds of the root-window do get
347// propagated to the event filters correctly with the root as the target.
348TEST_F(RootWindowTest, TouchEventsOutsideBounds) {
349  test::TestEventHandler* filter = new test::TestEventHandler;
350  root_window()->SetEventFilter(filter);  // passes ownership
351
352  gfx::Point position = root_window()->bounds().origin();
353  position.Offset(-10, -10);
354  ui::TouchEvent press(ui::ET_TOUCH_PRESSED, position, 0, base::TimeDelta());
355  root_window()->AsRootWindowHostDelegate()->OnHostTouchEvent(&press);
356  EXPECT_EQ(1, filter->num_touch_events());
357
358  position = root_window()->bounds().origin();
359  position.Offset(root_window()->bounds().width() + 10,
360                  root_window()->bounds().height() + 10);
361  ui::TouchEvent release(ui::ET_TOUCH_RELEASED, position, 0, base::TimeDelta());
362  root_window()->AsRootWindowHostDelegate()->OnHostTouchEvent(&release);
363  EXPECT_EQ(2, filter->num_touch_events());
364}
365
366// Tests that scroll events are dispatched correctly.
367TEST_F(RootWindowTest, ScrollEventDispatch) {
368  base::TimeDelta now = ui::EventTimeForNow();
369  test::TestEventHandler* filter = new test::TestEventHandler;
370  root_window()->SetEventFilter(filter);
371
372  test::TestWindowDelegate delegate;
373  scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), &delegate));
374  w1->SetBounds(gfx::Rect(20, 20, 40, 40));
375
376  // A scroll event on the root-window itself is dispatched.
377  ui::ScrollEvent scroll1(ui::ET_SCROLL,
378                          gfx::Point(10, 10),
379                          now,
380                          0,
381                          0, -10,
382                          0, -10,
383                          2);
384  root_window()->AsRootWindowHostDelegate()->OnHostScrollEvent(&scroll1);
385  EXPECT_EQ(1, filter->num_scroll_events());
386
387  // Scroll event on a window should be dispatched properly.
388  ui::ScrollEvent scroll2(ui::ET_SCROLL,
389                          gfx::Point(25, 30),
390                          now,
391                          0,
392                          -10, 0,
393                          -10, 0,
394                          2);
395  root_window()->AsRootWindowHostDelegate()->OnHostScrollEvent(&scroll2);
396  EXPECT_EQ(2, filter->num_scroll_events());
397}
398
399namespace {
400
401// FilterFilter that tracks the types of events it's seen.
402class EventFilterRecorder : public ui::EventHandler {
403 public:
404  typedef std::vector<ui::EventType> Events;
405
406  EventFilterRecorder() {}
407
408  Events& events() { return events_; }
409
410  // ui::EventHandler overrides:
411  virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE {
412    events_.push_back(event->type());
413  }
414
415  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
416    events_.push_back(event->type());
417  }
418
419  virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE {
420    events_.push_back(event->type());
421  }
422
423  virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE {
424    events_.push_back(event->type());
425  }
426
427  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
428    events_.push_back(event->type());
429  }
430
431 private:
432  Events events_;
433
434  DISALLOW_COPY_AND_ASSIGN(EventFilterRecorder);
435};
436
437// Converts an EventType to a string.
438std::string EventTypeToString(ui::EventType type) {
439  switch (type) {
440    case ui::ET_TOUCH_RELEASED:
441      return "TOUCH_RELEASED";
442
443    case ui::ET_TOUCH_PRESSED:
444      return "TOUCH_PRESSED";
445
446    case ui::ET_TOUCH_MOVED:
447      return "TOUCH_MOVED";
448
449    case ui::ET_MOUSE_PRESSED:
450      return "MOUSE_PRESSED";
451
452    case ui::ET_MOUSE_DRAGGED:
453      return "MOUSE_DRAGGED";
454
455    case ui::ET_MOUSE_RELEASED:
456      return "MOUSE_RELEASED";
457
458    case ui::ET_MOUSE_MOVED:
459      return "MOUSE_MOVED";
460
461    case ui::ET_MOUSE_ENTERED:
462      return "MOUSE_ENTERED";
463
464    case ui::ET_MOUSE_EXITED:
465      return "MOUSE_EXITED";
466
467    case ui::ET_GESTURE_SCROLL_BEGIN:
468      return "GESTURE_SCROLL_BEGIN";
469
470    case ui::ET_GESTURE_SCROLL_END:
471      return "GESTURE_SCROLL_END";
472
473    case ui::ET_GESTURE_SCROLL_UPDATE:
474      return "GESTURE_SCROLL_UPDATE";
475
476    case ui::ET_GESTURE_TAP:
477      return "GESTURE_TAP";
478
479    case ui::ET_GESTURE_TAP_DOWN:
480      return "GESTURE_TAP_DOWN";
481
482    case ui::ET_GESTURE_BEGIN:
483      return "GESTURE_BEGIN";
484
485    case ui::ET_GESTURE_END:
486      return "GESTURE_END";
487
488    default:
489      break;
490  }
491  return "";
492}
493
494std::string EventTypesToString(const EventFilterRecorder::Events& events) {
495  std::string result;
496  for (size_t i = 0; i < events.size(); ++i) {
497    if (i != 0)
498      result += " ";
499    result += EventTypeToString(events[i]);
500  }
501  return result;
502}
503
504}  // namespace
505
506TEST_F(RootWindowTest, MouseMovesHeld) {
507  EventFilterRecorder* filter = new EventFilterRecorder;
508  root_window()->SetEventFilter(filter);  // passes ownership
509
510  test::TestWindowDelegate delegate;
511  scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
512      &delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
513
514  ui::MouseEvent mouse_move_event(ui::ET_MOUSE_MOVED, gfx::Point(0, 0),
515                                  gfx::Point(0, 0), 0);
516  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(
517      &mouse_move_event);
518  // Discard MOUSE_ENTER.
519  filter->events().clear();
520
521  root_window()->HoldPointerMoves();
522
523  // Check that we don't immediately dispatch the MOUSE_DRAGGED event.
524  ui::MouseEvent mouse_dragged_event(ui::ET_MOUSE_DRAGGED, gfx::Point(0, 0),
525                                     gfx::Point(0, 0), 0);
526  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(
527      &mouse_dragged_event);
528  EXPECT_TRUE(filter->events().empty());
529
530  // Check that we do dispatch the held MOUSE_DRAGGED event before another type
531  // of event.
532  ui::MouseEvent mouse_pressed_event(ui::ET_MOUSE_PRESSED, gfx::Point(0, 0),
533                                     gfx::Point(0, 0), 0);
534  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(
535      &mouse_pressed_event);
536  EXPECT_EQ("MOUSE_DRAGGED MOUSE_PRESSED",
537            EventTypesToString(filter->events()));
538  filter->events().clear();
539
540  // Check that we coalesce held MOUSE_DRAGGED events.
541  ui::MouseEvent mouse_dragged_event2(ui::ET_MOUSE_DRAGGED, gfx::Point(1, 1),
542                                      gfx::Point(1, 1), 0);
543  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(
544      &mouse_dragged_event);
545  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(
546      &mouse_dragged_event2);
547  EXPECT_TRUE(filter->events().empty());
548  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(
549      &mouse_pressed_event);
550  EXPECT_EQ("MOUSE_DRAGGED MOUSE_PRESSED",
551            EventTypesToString(filter->events()));
552  filter->events().clear();
553
554  // Check that on ReleasePointerMoves, held events are not dispatched
555  // immediately, but posted instead.
556  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(
557      &mouse_dragged_event);
558  root_window()->ReleasePointerMoves();
559  EXPECT_TRUE(filter->events().empty());
560  RunAllPendingInMessageLoop();
561  EXPECT_EQ("MOUSE_DRAGGED", EventTypesToString(filter->events()));
562  filter->events().clear();
563
564  // However if another message comes in before the dispatch,
565  // the Check that on ReleasePointerMoves, held events are not dispatched
566  // immediately, but posted instead.
567  root_window()->HoldPointerMoves();
568  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(
569      &mouse_dragged_event);
570  root_window()->ReleasePointerMoves();
571  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(
572      &mouse_pressed_event);
573  EXPECT_EQ("MOUSE_DRAGGED MOUSE_PRESSED",
574            EventTypesToString(filter->events()));
575  filter->events().clear();
576  RunAllPendingInMessageLoop();
577  EXPECT_TRUE(filter->events().empty());
578
579  // Check that if the other message is another MOUSE_DRAGGED, we still coalesce
580  // them.
581  root_window()->HoldPointerMoves();
582  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(
583      &mouse_dragged_event);
584  root_window()->ReleasePointerMoves();
585  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(
586      &mouse_dragged_event2);
587  EXPECT_EQ("MOUSE_DRAGGED", EventTypesToString(filter->events()));
588  filter->events().clear();
589  RunAllPendingInMessageLoop();
590  EXPECT_TRUE(filter->events().empty());
591}
592
593TEST_F(RootWindowTest, TouchMovesHeld) {
594  EventFilterRecorder* filter = new EventFilterRecorder;
595  root_window()->SetEventFilter(filter);  // passes ownership
596
597  test::TestWindowDelegate delegate;
598  scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
599      &delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
600
601  // Starting the touch and throwing out the first few events, since the system
602  // is going to generate synthetic mouse events that are not relevant to the
603  // test.
604  ui::TouchEvent touch_pressed_event(ui::ET_TOUCH_PRESSED, gfx::Point(0, 0),
605                                     0, base::TimeDelta());
606  root_window()->AsRootWindowHostDelegate()->OnHostTouchEvent(
607      &touch_pressed_event);
608  RunAllPendingInMessageLoop();
609  filter->events().clear();
610
611  root_window()->HoldPointerMoves();
612
613  // Check that we don't immediately dispatch the TOUCH_MOVED event.
614  ui::TouchEvent touch_moved_event(ui::ET_TOUCH_MOVED, gfx::Point(0, 0),
615                                   0, base::TimeDelta());
616  root_window()->AsRootWindowHostDelegate()->OnHostTouchEvent(
617      &touch_moved_event);
618  EXPECT_TRUE(filter->events().empty());
619
620  // Check that on ReleasePointerMoves, held events are not dispatched
621  // immediately, but posted instead.
622  root_window()->AsRootWindowHostDelegate()->OnHostTouchEvent(
623      &touch_moved_event);
624  root_window()->ReleasePointerMoves();
625  EXPECT_TRUE(filter->events().empty());
626  RunAllPendingInMessageLoop();
627  EXPECT_EQ("TOUCH_MOVED", EventTypesToString(filter->events()));
628  filter->events().clear();
629
630  // If another touch event occurs then the held touch should be dispatched
631  // immediately before it.
632  ui::TouchEvent touch_released_event(ui::ET_TOUCH_RELEASED, gfx::Point(0, 0),
633                                      0, base::TimeDelta());
634  filter->events().clear();
635  root_window()->HoldPointerMoves();
636  root_window()->AsRootWindowHostDelegate()->OnHostTouchEvent(
637      &touch_moved_event);
638  root_window()->AsRootWindowHostDelegate()->OnHostTouchEvent(
639      &touch_released_event);
640  EXPECT_EQ("TOUCH_MOVED TOUCH_RELEASED  GESTURE_END",
641            EventTypesToString(filter->events()));
642  filter->events().clear();
643  root_window()->ReleasePointerMoves();
644  RunAllPendingInMessageLoop();
645  EXPECT_TRUE(filter->events().empty());
646}
647
648// Tests that synthetic mouse events are ignored when mouse
649// events are disabled.
650TEST_F(RootWindowTest, DispatchSyntheticMouseEvents) {
651  EventFilterRecorder* filter = new EventFilterRecorder;
652  root_window()->SetEventFilter(filter);  // passes ownership
653
654  test::TestWindowDelegate delegate;
655  scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
656      &delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
657  window->Show();
658  window->SetCapture();
659
660  test::TestCursorClient cursor_client(root_window());
661
662  // Dispatch a non-synthetic mouse event when mouse events are enabled.
663  ui::MouseEvent mouse1(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
664                        gfx::Point(10, 10), 0);
665  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(&mouse1);
666  EXPECT_FALSE(filter->events().empty());
667  filter->events().clear();
668
669  // Dispatch a synthetic mouse event when mouse events are enabled.
670  ui::MouseEvent mouse2(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
671                        gfx::Point(10, 10), ui::EF_IS_SYNTHESIZED);
672  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(&mouse2);
673  EXPECT_FALSE(filter->events().empty());
674  filter->events().clear();
675
676  // Dispatch a synthetic mouse event when mouse events are disabled.
677  cursor_client.DisableMouseEvents();
678  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(&mouse2);
679  EXPECT_TRUE(filter->events().empty());
680}
681
682class DeletingEventFilter : public ui::EventHandler {
683 public:
684  DeletingEventFilter()
685      : delete_during_pre_handle_(false) {}
686  virtual ~DeletingEventFilter() {}
687
688  void Reset(bool delete_during_pre_handle) {
689    delete_during_pre_handle_ = delete_during_pre_handle;
690  }
691
692 private:
693  // Overridden from ui::EventHandler:
694  virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE {
695    if (delete_during_pre_handle_)
696      delete event->target();
697  }
698
699  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
700    if (delete_during_pre_handle_)
701      delete event->target();
702  }
703
704  bool delete_during_pre_handle_;
705
706  DISALLOW_COPY_AND_ASSIGN(DeletingEventFilter);
707};
708
709class DeletingWindowDelegate : public test::TestWindowDelegate {
710 public:
711  DeletingWindowDelegate()
712      : window_(NULL),
713        delete_during_handle_(false),
714        got_event_(false) {}
715  virtual ~DeletingWindowDelegate() {}
716
717  void Reset(Window* window, bool delete_during_handle) {
718    window_ = window;
719    delete_during_handle_ = delete_during_handle;
720    got_event_ = false;
721  }
722  bool got_event() const { return got_event_; }
723
724 private:
725  // Overridden from WindowDelegate:
726  virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE {
727    if (delete_during_handle_)
728      delete window_;
729    got_event_ = true;
730  }
731
732  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
733    if (delete_during_handle_)
734      delete window_;
735    got_event_ = true;
736  }
737
738  Window* window_;
739  bool delete_during_handle_;
740  bool got_event_;
741
742  DISALLOW_COPY_AND_ASSIGN(DeletingWindowDelegate);
743};
744
745TEST_F(RootWindowTest, DeleteWindowDuringDispatch) {
746  // Verifies that we can delete a window during each phase of event handling.
747  // Deleting the window should not cause a crash, only prevent further
748  // processing from occurring.
749  scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), NULL));
750  DeletingWindowDelegate d11;
751  Window* w11 = CreateNormalWindow(11, w1.get(), &d11);
752  WindowTracker tracker;
753  DeletingEventFilter* w1_filter = new DeletingEventFilter;
754  w1->SetEventFilter(w1_filter);
755  client::GetFocusClient(w1.get())->FocusWindow(w11);
756
757  test::EventGenerator generator(root_window(), w11);
758
759  // First up, no one deletes anything.
760  tracker.Add(w11);
761  d11.Reset(w11, false);
762
763  generator.PressLeftButton();
764  EXPECT_TRUE(tracker.Contains(w11));
765  EXPECT_TRUE(d11.got_event());
766  generator.ReleaseLeftButton();
767
768  // Delegate deletes w11. This will prevent the post-handle step from applying.
769  w1_filter->Reset(false);
770  d11.Reset(w11, true);
771  generator.PressKey(ui::VKEY_A, 0);
772  EXPECT_FALSE(tracker.Contains(w11));
773  EXPECT_TRUE(d11.got_event());
774
775  // Pre-handle step deletes w11. This will prevent the delegate and the post-
776  // handle steps from applying.
777  w11 = CreateNormalWindow(11, w1.get(), &d11);
778  w1_filter->Reset(true);
779  d11.Reset(w11, false);
780  generator.PressLeftButton();
781  EXPECT_FALSE(tracker.Contains(w11));
782  EXPECT_FALSE(d11.got_event());
783}
784
785namespace {
786
787// A window delegate that detaches the parent of the target's parent window when
788// it receives a tap event.
789class DetachesParentOnTapDelegate : public test::TestWindowDelegate {
790 public:
791  DetachesParentOnTapDelegate() {}
792  virtual ~DetachesParentOnTapDelegate() {}
793
794 private:
795  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
796    if (event->type() == ui::ET_GESTURE_TAP_DOWN) {
797      event->SetHandled();
798      return;
799    }
800
801    if (event->type() == ui::ET_GESTURE_TAP) {
802      Window* parent = static_cast<Window*>(event->target())->parent();
803      parent->parent()->RemoveChild(parent);
804      event->SetHandled();
805    }
806  }
807
808  DISALLOW_COPY_AND_ASSIGN(DetachesParentOnTapDelegate);
809};
810
811}  // namespace
812
813// Tests that the gesture recognizer is reset for all child windows when a
814// window hides. No expectations, just checks that the test does not crash.
815TEST_F(RootWindowTest, GestureRecognizerResetsTargetWhenParentHides) {
816  scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), NULL));
817  DetachesParentOnTapDelegate delegate;
818  scoped_ptr<Window> parent(CreateNormalWindow(22, w1.get(), NULL));
819  Window* child = CreateNormalWindow(11, parent.get(), &delegate);
820  test::EventGenerator generator(root_window(), child);
821  generator.GestureTapAt(gfx::Point(40, 40));
822}
823
824namespace {
825
826// A window delegate that processes nested gestures on tap.
827class NestedGestureDelegate : public test::TestWindowDelegate {
828 public:
829  NestedGestureDelegate(test::EventGenerator* generator,
830                        const gfx::Point tap_location)
831      : generator_(generator),
832        tap_location_(tap_location),
833        gesture_end_count_(0) {}
834  virtual ~NestedGestureDelegate() {}
835
836  int gesture_end_count() const { return gesture_end_count_; }
837
838 private:
839  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
840    switch (event->type()) {
841      case ui::ET_GESTURE_TAP_DOWN:
842        event->SetHandled();
843        break;
844      case ui::ET_GESTURE_TAP:
845        if (generator_)
846          generator_->GestureTapAt(tap_location_);
847        event->SetHandled();
848        break;
849      case ui::ET_GESTURE_END:
850        ++gesture_end_count_;
851        break;
852      default:
853        break;
854    }
855  }
856
857  test::EventGenerator* generator_;
858  const gfx::Point tap_location_;
859  int gesture_end_count_;
860  DISALLOW_COPY_AND_ASSIGN(NestedGestureDelegate);
861};
862
863}  // namespace
864
865// Tests that gesture end is delivered after nested gesture processing.
866TEST_F(RootWindowTest, GestureEndDeliveredAfterNestedGestures) {
867  NestedGestureDelegate d1(NULL, gfx::Point());
868  scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), &d1));
869  w1->SetBounds(gfx::Rect(0, 0, 100, 100));
870
871  test::EventGenerator nested_generator(root_window(), w1.get());
872  NestedGestureDelegate d2(&nested_generator, w1->bounds().CenterPoint());
873  scoped_ptr<Window> w2(CreateNormalWindow(1, root_window(), &d2));
874  w2->SetBounds(gfx::Rect(100, 0, 100, 100));
875
876  // Tap on w2 which triggers nested gestures for w1.
877  test::EventGenerator generator(root_window(), w2.get());
878  generator.GestureTapAt(w2->bounds().CenterPoint());
879
880  // Both windows should get their gesture end events.
881  EXPECT_EQ(1, d1.gesture_end_count());
882  EXPECT_EQ(1, d2.gesture_end_count());
883}
884
885}  // namespace aura
886