blob: 11eeaa0d2c4ee0c4adf50bdae6fa93ec63a6d67e [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/aura/window_event_dispatcher.h"
#include <vector>
#include "base/bind.h"
#include "base/run_loop.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/aura/client/event_client.h"
#include "ui/aura/client/focus_client.h"
#include "ui/aura/env.h"
#include "ui/aura/test/aura_test_base.h"
#include "ui/aura/test/env_test_helper.h"
#include "ui/aura/test/event_generator.h"
#include "ui/aura/test/test_cursor_client.h"
#include "ui/aura/test/test_screen.h"
#include "ui/aura/test/test_window_delegate.h"
#include "ui/aura/test/test_windows.h"
#include "ui/aura/window.h"
#include "ui/aura/window_tracker.h"
#include "ui/base/hit_test.h"
#include "ui/events/event.h"
#include "ui/events/event_handler.h"
#include "ui/events/event_utils.h"
#include "ui/events/gestures/gesture_configuration.h"
#include "ui/events/keycodes/keyboard_codes.h"
#include "ui/events/test/test_event_handler.h"
#include "ui/gfx/point.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/screen.h"
#include "ui/gfx/transform.h"
namespace aura {
namespace {
// A delegate that always returns a non-client component for hit tests.
class NonClientDelegate : public test::TestWindowDelegate {
public:
NonClientDelegate()
: non_client_count_(0),
mouse_event_count_(0),
mouse_event_flags_(0x0) {
}
virtual ~NonClientDelegate() {}
int non_client_count() const { return non_client_count_; }
gfx::Point non_client_location() const { return non_client_location_; }
int mouse_event_count() const { return mouse_event_count_; }
gfx::Point mouse_event_location() const { return mouse_event_location_; }
int mouse_event_flags() const { return mouse_event_flags_; }
virtual int GetNonClientComponent(const gfx::Point& location) const OVERRIDE {
NonClientDelegate* self = const_cast<NonClientDelegate*>(this);
self->non_client_count_++;
self->non_client_location_ = location;
return HTTOPLEFT;
}
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
mouse_event_count_++;
mouse_event_location_ = event->location();
mouse_event_flags_ = event->flags();
event->SetHandled();
}
private:
int non_client_count_;
gfx::Point non_client_location_;
int mouse_event_count_;
gfx::Point mouse_event_location_;
int mouse_event_flags_;
DISALLOW_COPY_AND_ASSIGN(NonClientDelegate);
};
// A simple event handler that consumes key events.
class ConsumeKeyHandler : public ui::test::TestEventHandler {
public:
ConsumeKeyHandler() {}
virtual ~ConsumeKeyHandler() {}
// Overridden from ui::EventHandler:
virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE {
ui::test::TestEventHandler::OnKeyEvent(event);
event->StopPropagation();
}
private:
DISALLOW_COPY_AND_ASSIGN(ConsumeKeyHandler);
};
bool IsFocusedWindow(aura::Window* window) {
return client::GetFocusClient(window)->GetFocusedWindow() == window;
}
} // namespace
typedef test::AuraTestBase WindowEventDispatcherTest;
TEST_F(WindowEventDispatcherTest, OnHostMouseEvent) {
// Create two non-overlapping windows so we don't have to worry about which
// is on top.
scoped_ptr<NonClientDelegate> delegate1(new NonClientDelegate());
scoped_ptr<NonClientDelegate> delegate2(new NonClientDelegate());
const int kWindowWidth = 123;
const int kWindowHeight = 45;
gfx::Rect bounds1(100, 200, kWindowWidth, kWindowHeight);
gfx::Rect bounds2(300, 400, kWindowWidth, kWindowHeight);
scoped_ptr<aura::Window> window1(CreateTestWindowWithDelegate(
delegate1.get(), -1234, bounds1, root_window()));
scoped_ptr<aura::Window> window2(CreateTestWindowWithDelegate(
delegate2.get(), -5678, bounds2, root_window()));
// Send a mouse event to window1.
gfx::Point point(101, 201);
ui::MouseEvent event1(
ui::ET_MOUSE_PRESSED, point, point, ui::EF_LEFT_MOUSE_BUTTON,
ui::EF_LEFT_MOUSE_BUTTON);
DispatchEventUsingWindowDispatcher(&event1);
// Event was tested for non-client area for the target window.
EXPECT_EQ(1, delegate1->non_client_count());
EXPECT_EQ(0, delegate2->non_client_count());
// The non-client component test was in local coordinates.
EXPECT_EQ(gfx::Point(1, 1), delegate1->non_client_location());
// Mouse event was received by target window.
EXPECT_EQ(1, delegate1->mouse_event_count());
EXPECT_EQ(0, delegate2->mouse_event_count());
// Event was in local coordinates.
EXPECT_EQ(gfx::Point(1, 1), delegate1->mouse_event_location());
// Non-client flag was set.
EXPECT_TRUE(delegate1->mouse_event_flags() & ui::EF_IS_NON_CLIENT);
}
TEST_F(WindowEventDispatcherTest, RepostEvent) {
// Test RepostEvent in RootWindow. It only works for Mouse Press.
EXPECT_FALSE(Env::GetInstance()->IsMouseButtonDown());
gfx::Point point(10, 10);
ui::MouseEvent event(
ui::ET_MOUSE_PRESSED, point, point, ui::EF_LEFT_MOUSE_BUTTON,
ui::EF_LEFT_MOUSE_BUTTON);
host()->dispatcher()->RepostEvent(event);
RunAllPendingInMessageLoop();
EXPECT_TRUE(Env::GetInstance()->IsMouseButtonDown());
}
// Check that we correctly track the state of the mouse buttons in response to
// button press and release events.
TEST_F(WindowEventDispatcherTest, MouseButtonState) {
EXPECT_FALSE(Env::GetInstance()->IsMouseButtonDown());
gfx::Point location;
scoped_ptr<ui::MouseEvent> event;
// Press the left button.
event.reset(new ui::MouseEvent(
ui::ET_MOUSE_PRESSED,
location,
location,
ui::EF_LEFT_MOUSE_BUTTON,
ui::EF_LEFT_MOUSE_BUTTON));
DispatchEventUsingWindowDispatcher(event.get());
EXPECT_TRUE(Env::GetInstance()->IsMouseButtonDown());
// Additionally press the right.
event.reset(new ui::MouseEvent(
ui::ET_MOUSE_PRESSED,
location,
location,
ui::EF_LEFT_MOUSE_BUTTON | ui::EF_RIGHT_MOUSE_BUTTON,
ui::EF_RIGHT_MOUSE_BUTTON));
DispatchEventUsingWindowDispatcher(event.get());
EXPECT_TRUE(Env::GetInstance()->IsMouseButtonDown());
// Release the left button.
event.reset(new ui::MouseEvent(
ui::ET_MOUSE_RELEASED,
location,
location,
ui::EF_RIGHT_MOUSE_BUTTON,
ui::EF_LEFT_MOUSE_BUTTON));
DispatchEventUsingWindowDispatcher(event.get());
EXPECT_TRUE(Env::GetInstance()->IsMouseButtonDown());
// Release the right button. We should ignore the Shift-is-down flag.
event.reset(new ui::MouseEvent(
ui::ET_MOUSE_RELEASED,
location,
location,
ui::EF_SHIFT_DOWN,
ui::EF_RIGHT_MOUSE_BUTTON));
DispatchEventUsingWindowDispatcher(event.get());
EXPECT_FALSE(Env::GetInstance()->IsMouseButtonDown());
// Press the middle button.
event.reset(new ui::MouseEvent(
ui::ET_MOUSE_PRESSED,
location,
location,
ui::EF_MIDDLE_MOUSE_BUTTON,
ui::EF_MIDDLE_MOUSE_BUTTON));
DispatchEventUsingWindowDispatcher(event.get());
EXPECT_TRUE(Env::GetInstance()->IsMouseButtonDown());
}
TEST_F(WindowEventDispatcherTest, TranslatedEvent) {
scoped_ptr<Window> w1(test::CreateTestWindowWithDelegate(NULL, 1,
gfx::Rect(50, 50, 100, 100), root_window()));
gfx::Point origin(100, 100);
ui::MouseEvent root(ui::ET_MOUSE_PRESSED, origin, origin, 0, 0);
EXPECT_EQ("100,100", root.location().ToString());
EXPECT_EQ("100,100", root.root_location().ToString());
ui::MouseEvent translated_event(
root, static_cast<Window*>(root_window()), w1.get(),
ui::ET_MOUSE_ENTERED, root.flags());
EXPECT_EQ("50,50", translated_event.location().ToString());
EXPECT_EQ("100,100", translated_event.root_location().ToString());
}
namespace {
class TestEventClient : public client::EventClient {
public:
static const int kNonLockWindowId = 100;
static const int kLockWindowId = 200;
explicit TestEventClient(Window* root_window)
: root_window_(root_window),
lock_(false) {
client::SetEventClient(root_window_, this);
Window* lock_window =
test::CreateTestWindowWithBounds(root_window_->bounds(), root_window_);
lock_window->set_id(kLockWindowId);
Window* non_lock_window =
test::CreateTestWindowWithBounds(root_window_->bounds(), root_window_);
non_lock_window->set_id(kNonLockWindowId);
}
virtual ~TestEventClient() {
client::SetEventClient(root_window_, NULL);
}
// Starts/stops locking. Locking prevents windows other than those inside
// the lock container from receiving events, getting focus etc.
void Lock() {
lock_ = true;
}
void Unlock() {
lock_ = false;
}
Window* GetLockWindow() {
return const_cast<Window*>(
static_cast<const TestEventClient*>(this)->GetLockWindow());
}
const Window* GetLockWindow() const {
return root_window_->GetChildById(kLockWindowId);
}
Window* GetNonLockWindow() {
return root_window_->GetChildById(kNonLockWindowId);
}
private:
// Overridden from client::EventClient:
virtual bool CanProcessEventsWithinSubtree(
const Window* window) const OVERRIDE {
return lock_ ?
window->Contains(GetLockWindow()) || GetLockWindow()->Contains(window) :
true;
}
virtual ui::EventTarget* GetToplevelEventTarget() OVERRIDE {
return NULL;
}
Window* root_window_;
bool lock_;
DISALLOW_COPY_AND_ASSIGN(TestEventClient);
};
} // namespace
TEST_F(WindowEventDispatcherTest, CanProcessEventsWithinSubtree) {
TestEventClient client(root_window());
test::TestWindowDelegate d;
ui::test::TestEventHandler nonlock_ef;
ui::test::TestEventHandler lock_ef;
client.GetNonLockWindow()->AddPreTargetHandler(&nonlock_ef);
client.GetLockWindow()->AddPreTargetHandler(&lock_ef);
Window* w1 = test::CreateTestWindowWithBounds(gfx::Rect(10, 10, 20, 20),
client.GetNonLockWindow());
w1->set_id(1);
Window* w2 = test::CreateTestWindowWithBounds(gfx::Rect(30, 30, 20, 20),
client.GetNonLockWindow());
w2->set_id(2);
scoped_ptr<Window> w3(
test::CreateTestWindowWithDelegate(&d, 3, gfx::Rect(30, 30, 20, 20),
client.GetLockWindow()));
w1->Focus();
EXPECT_TRUE(IsFocusedWindow(w1));
client.Lock();
// Since we're locked, the attempt to focus w2 will be ignored.
w2->Focus();
EXPECT_TRUE(IsFocusedWindow(w1));
EXPECT_FALSE(IsFocusedWindow(w2));
{
// Attempting to send a key event to w1 (not in the lock container) should
// cause focus to be reset.
test::EventGenerator generator(root_window());
generator.PressKey(ui::VKEY_SPACE, 0);
EXPECT_EQ(NULL, client::GetFocusClient(w1)->GetFocusedWindow());
EXPECT_FALSE(IsFocusedWindow(w1));
}
{
// Events sent to a window not in the lock container will not be processed.
// i.e. never sent to the non-lock container's event filter.
test::EventGenerator generator(root_window(), w1);
generator.ClickLeftButton();
EXPECT_EQ(0, nonlock_ef.num_mouse_events());
// Events sent to a window in the lock container will be processed.
test::EventGenerator generator3(root_window(), w3.get());
generator3.PressLeftButton();
EXPECT_EQ(1, lock_ef.num_mouse_events());
}
// Prevent w3 from being deleted by the hierarchy since its delegate is owned
// by this scope.
w3->parent()->RemoveChild(w3.get());
}
TEST_F(WindowEventDispatcherTest, IgnoreUnknownKeys) {
ConsumeKeyHandler handler;
root_window()->AddPreTargetHandler(&handler);
ui::KeyEvent unknown_event(ui::ET_KEY_PRESSED, ui::VKEY_UNKNOWN, 0, false);
DispatchEventUsingWindowDispatcher(&unknown_event);
EXPECT_FALSE(unknown_event.handled());
EXPECT_EQ(0, handler.num_key_events());
handler.Reset();
ui::KeyEvent known_event(ui::ET_KEY_PRESSED, ui::VKEY_A, 0, false);
DispatchEventUsingWindowDispatcher(&known_event);
EXPECT_TRUE(known_event.handled());
EXPECT_EQ(1, handler.num_key_events());
handler.Reset();
ui::KeyEvent ime_event(ui::ET_KEY_PRESSED, ui::VKEY_UNKNOWN,
ui::EF_IME_FABRICATED_KEY, false);
DispatchEventUsingWindowDispatcher(&ime_event);
EXPECT_TRUE(ime_event.handled());
EXPECT_EQ(1, handler.num_key_events());
handler.Reset();
ui::KeyEvent unknown_key_with_char_event(ui::ET_KEY_PRESSED, ui::VKEY_UNKNOWN,
0, false);
unknown_key_with_char_event.set_character(0x00e4 /* "รค" */);
DispatchEventUsingWindowDispatcher(&unknown_key_with_char_event);
EXPECT_TRUE(unknown_key_with_char_event.handled());
EXPECT_EQ(1, handler.num_key_events());
}
TEST_F(WindowEventDispatcherTest, NoDelegateWindowReceivesKeyEvents) {
scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), NULL));
w1->Show();
w1->Focus();
ui::test::TestEventHandler handler;
w1->AddPreTargetHandler(&handler);
ui::KeyEvent key_press(ui::ET_KEY_PRESSED, ui::VKEY_A, 0, false);
DispatchEventUsingWindowDispatcher(&key_press);
EXPECT_TRUE(key_press.handled());
EXPECT_EQ(1, handler.num_key_events());
w1->RemovePreTargetHandler(&handler);
}
// Tests that touch-events that are beyond the bounds of the root-window do get
// propagated to the event filters correctly with the root as the target.
TEST_F(WindowEventDispatcherTest, TouchEventsOutsideBounds) {
ui::test::TestEventHandler handler;
root_window()->AddPreTargetHandler(&handler);
gfx::Point position = root_window()->bounds().origin();
position.Offset(-10, -10);
ui::TouchEvent press(
ui::ET_TOUCH_PRESSED, position, 0, ui::EventTimeForNow());
DispatchEventUsingWindowDispatcher(&press);
EXPECT_EQ(1, handler.num_touch_events());
position = root_window()->bounds().origin();
position.Offset(root_window()->bounds().width() + 10,
root_window()->bounds().height() + 10);
ui::TouchEvent release(
ui::ET_TOUCH_RELEASED, position, 0, ui::EventTimeForNow());
DispatchEventUsingWindowDispatcher(&release);
EXPECT_EQ(2, handler.num_touch_events());
}
// Tests that scroll events are dispatched correctly.
TEST_F(WindowEventDispatcherTest, ScrollEventDispatch) {
base::TimeDelta now = ui::EventTimeForNow();
ui::test::TestEventHandler handler;
root_window()->AddPreTargetHandler(&handler);
test::TestWindowDelegate delegate;
scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), &delegate));
w1->SetBounds(gfx::Rect(20, 20, 40, 40));
// A scroll event on the root-window itself is dispatched.
ui::ScrollEvent scroll1(ui::ET_SCROLL,
gfx::Point(10, 10),
now,
0,
0, -10,
0, -10,
2);
DispatchEventUsingWindowDispatcher(&scroll1);
EXPECT_EQ(1, handler.num_scroll_events());
// Scroll event on a window should be dispatched properly.
ui::ScrollEvent scroll2(ui::ET_SCROLL,
gfx::Point(25, 30),
now,
0,
-10, 0,
-10, 0,
2);
DispatchEventUsingWindowDispatcher(&scroll2);
EXPECT_EQ(2, handler.num_scroll_events());
root_window()->RemovePreTargetHandler(&handler);
}
namespace {
// FilterFilter that tracks the types of events it's seen.
class EventFilterRecorder : public ui::EventHandler {
public:
typedef std::vector<ui::EventType> Events;
typedef std::vector<gfx::Point> EventLocations;
typedef std::vector<int> EventFlags;
EventFilterRecorder()
: wait_until_event_(ui::ET_UNKNOWN) {
}
const Events& events() const { return events_; }
const EventLocations& mouse_locations() const { return mouse_locations_; }
gfx::Point mouse_location(int i) const { return mouse_locations_[i]; }
const EventLocations& touch_locations() const { return touch_locations_; }
const EventFlags& mouse_event_flags() const { return mouse_event_flags_; }
void WaitUntilReceivedEvent(ui::EventType type) {
wait_until_event_ = type;
run_loop_.reset(new base::RunLoop());
run_loop_->Run();
}
Events GetAndResetEvents() {
Events events = events_;
Reset();
return events;
}
void Reset() {
events_.clear();
mouse_locations_.clear();
touch_locations_.clear();
mouse_event_flags_.clear();
}
// ui::EventHandler overrides:
virtual void OnEvent(ui::Event* event) OVERRIDE {
ui::EventHandler::OnEvent(event);
events_.push_back(event->type());
if (wait_until_event_ == event->type() && run_loop_) {
run_loop_->Quit();
wait_until_event_ = ui::ET_UNKNOWN;
}
}
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
mouse_locations_.push_back(event->location());
mouse_event_flags_.push_back(event->flags());
}
virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE {
touch_locations_.push_back(event->location());
}
bool HasReceivedEvent(ui::EventType type) {
return std::find(events_.begin(), events_.end(), type) != events_.end();
}
private:
scoped_ptr<base::RunLoop> run_loop_;
ui::EventType wait_until_event_;
Events events_;
EventLocations mouse_locations_;
EventLocations touch_locations_;
EventFlags mouse_event_flags_;
DISALLOW_COPY_AND_ASSIGN(EventFilterRecorder);
};
// Converts an EventType to a string.
std::string EventTypeToString(ui::EventType type) {
switch (type) {
case ui::ET_TOUCH_RELEASED:
return "TOUCH_RELEASED";
case ui::ET_TOUCH_CANCELLED:
return "TOUCH_CANCELLED";
case ui::ET_TOUCH_PRESSED:
return "TOUCH_PRESSED";
case ui::ET_TOUCH_MOVED:
return "TOUCH_MOVED";
case ui::ET_MOUSE_PRESSED:
return "MOUSE_PRESSED";
case ui::ET_MOUSE_DRAGGED:
return "MOUSE_DRAGGED";
case ui::ET_MOUSE_RELEASED:
return "MOUSE_RELEASED";
case ui::ET_MOUSE_MOVED:
return "MOUSE_MOVED";
case ui::ET_MOUSE_ENTERED:
return "MOUSE_ENTERED";
case ui::ET_MOUSE_EXITED:
return "MOUSE_EXITED";
case ui::ET_GESTURE_SCROLL_BEGIN:
return "GESTURE_SCROLL_BEGIN";
case ui::ET_GESTURE_SCROLL_END:
return "GESTURE_SCROLL_END";
case ui::ET_GESTURE_SCROLL_UPDATE:
return "GESTURE_SCROLL_UPDATE";
case ui::ET_GESTURE_PINCH_BEGIN:
return "GESTURE_PINCH_BEGIN";
case ui::ET_GESTURE_PINCH_END:
return "GESTURE_PINCH_END";
case ui::ET_GESTURE_PINCH_UPDATE:
return "GESTURE_PINCH_UPDATE";
case ui::ET_GESTURE_TAP:
return "GESTURE_TAP";
case ui::ET_GESTURE_TAP_DOWN:
return "GESTURE_TAP_DOWN";
case ui::ET_GESTURE_TAP_CANCEL:
return "GESTURE_TAP_CANCEL";
case ui::ET_GESTURE_SHOW_PRESS:
return "GESTURE_SHOW_PRESS";
case ui::ET_GESTURE_BEGIN:
return "GESTURE_BEGIN";
case ui::ET_GESTURE_END:
return "GESTURE_END";
default:
// We should explicitly require each event type.
NOTREACHED() << "Received unexpected event: " << type;
break;
}
return "";
}
std::string EventTypesToString(const EventFilterRecorder::Events& events) {
std::string result;
for (size_t i = 0; i < events.size(); ++i) {
if (i != 0)
result += " ";
result += EventTypeToString(events[i]);
}
return result;
}
} // namespace
// Verifies a repost mouse event targets the window with capture (if there is
// one).
TEST_F(WindowEventDispatcherTest, RepostTargetsCaptureWindow) {
// Set capture on |window| generate a mouse event (that is reposted) and not
// over |window| and verify |window| gets it (|window| gets it because it has
// capture).
EXPECT_FALSE(Env::GetInstance()->IsMouseButtonDown());
EventFilterRecorder recorder;
scoped_ptr<Window> window(CreateNormalWindow(1, root_window(), NULL));
window->SetBounds(gfx::Rect(20, 20, 40, 30));
window->AddPreTargetHandler(&recorder);
window->SetCapture();
const ui::MouseEvent press_event(
ui::ET_MOUSE_PRESSED, gfx::Point(), gfx::Point(),
ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
host()->dispatcher()->RepostEvent(press_event);
RunAllPendingInMessageLoop(); // Necessitated by RepostEvent().
// Mouse moves/enters may be generated. We only care about a pressed.
EXPECT_TRUE(EventTypesToString(recorder.events()).find("MOUSE_PRESSED") !=
std::string::npos) << EventTypesToString(recorder.events());
}
TEST_F(WindowEventDispatcherTest, MouseMovesHeld) {
EventFilterRecorder recorder;
root_window()->AddPreTargetHandler(&recorder);
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
ui::MouseEvent mouse_move_event(ui::ET_MOUSE_MOVED, gfx::Point(0, 0),
gfx::Point(0, 0), 0, 0);
DispatchEventUsingWindowDispatcher(&mouse_move_event);
// Discard MOUSE_ENTER.
recorder.Reset();
host()->dispatcher()->HoldPointerMoves();
// Check that we don't immediately dispatch the MOUSE_DRAGGED event.
ui::MouseEvent mouse_dragged_event(ui::ET_MOUSE_DRAGGED, gfx::Point(0, 0),
gfx::Point(0, 0), 0, 0);
DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
EXPECT_TRUE(recorder.events().empty());
// Check that we do dispatch the held MOUSE_DRAGGED event before another type
// of event.
ui::MouseEvent mouse_pressed_event(ui::ET_MOUSE_PRESSED, gfx::Point(0, 0),
gfx::Point(0, 0), 0, 0);
DispatchEventUsingWindowDispatcher(&mouse_pressed_event);
EXPECT_EQ("MOUSE_DRAGGED MOUSE_PRESSED",
EventTypesToString(recorder.events()));
recorder.Reset();
// Check that we coalesce held MOUSE_DRAGGED events.
ui::MouseEvent mouse_dragged_event2(ui::ET_MOUSE_DRAGGED, gfx::Point(10, 10),
gfx::Point(10, 10), 0, 0);
DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
DispatchEventUsingWindowDispatcher(&mouse_dragged_event2);
EXPECT_TRUE(recorder.events().empty());
DispatchEventUsingWindowDispatcher(&mouse_pressed_event);
EXPECT_EQ("MOUSE_DRAGGED MOUSE_PRESSED",
EventTypesToString(recorder.events()));
recorder.Reset();
// Check that on ReleasePointerMoves, held events are not dispatched
// immediately, but posted instead.
DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
host()->dispatcher()->ReleasePointerMoves();
EXPECT_TRUE(recorder.events().empty());
RunAllPendingInMessageLoop();
EXPECT_EQ("MOUSE_DRAGGED", EventTypesToString(recorder.events()));
recorder.Reset();
// However if another message comes in before the dispatch of the posted
// event, check that the posted event is dispatched before this new event.
host()->dispatcher()->HoldPointerMoves();
DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
host()->dispatcher()->ReleasePointerMoves();
DispatchEventUsingWindowDispatcher(&mouse_pressed_event);
EXPECT_EQ("MOUSE_DRAGGED MOUSE_PRESSED",
EventTypesToString(recorder.events()));
recorder.Reset();
RunAllPendingInMessageLoop();
EXPECT_TRUE(recorder.events().empty());
// Check that if the other message is another MOUSE_DRAGGED, we still coalesce
// them.
host()->dispatcher()->HoldPointerMoves();
DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
host()->dispatcher()->ReleasePointerMoves();
DispatchEventUsingWindowDispatcher(&mouse_dragged_event2);
EXPECT_EQ("MOUSE_DRAGGED", EventTypesToString(recorder.events()));
recorder.Reset();
RunAllPendingInMessageLoop();
EXPECT_TRUE(recorder.events().empty());
// Check that synthetic mouse move event has a right location when issued
// while holding pointer moves.
ui::MouseEvent mouse_dragged_event3(ui::ET_MOUSE_DRAGGED, gfx::Point(28, 28),
gfx::Point(28, 28), 0, 0);
host()->dispatcher()->HoldPointerMoves();
DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
DispatchEventUsingWindowDispatcher(&mouse_dragged_event2);
window->SetBounds(gfx::Rect(15, 15, 80, 80));
DispatchEventUsingWindowDispatcher(&mouse_dragged_event3);
RunAllPendingInMessageLoop();
EXPECT_TRUE(recorder.events().empty());
host()->dispatcher()->ReleasePointerMoves();
RunAllPendingInMessageLoop();
EXPECT_EQ("MOUSE_MOVED", EventTypesToString(recorder.events()));
EXPECT_EQ(gfx::Point(13, 13), recorder.mouse_location(0));
recorder.Reset();
root_window()->RemovePreTargetHandler(&recorder);
}
TEST_F(WindowEventDispatcherTest, TouchMovesHeld) {
EventFilterRecorder recorder;
root_window()->AddPreTargetHandler(&recorder);
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(50, 50, 100, 100), root_window()));
const gfx::Point touch_location(60, 60);
// Starting the touch and throwing out the first few events, since the system
// is going to generate synthetic mouse events that are not relevant to the
// test.
ui::TouchEvent touch_pressed_event(
ui::ET_TOUCH_PRESSED, touch_location, 0, ui::EventTimeForNow());
DispatchEventUsingWindowDispatcher(&touch_pressed_event);
recorder.WaitUntilReceivedEvent(ui::ET_GESTURE_SHOW_PRESS);
recorder.Reset();
host()->dispatcher()->HoldPointerMoves();
// Check that we don't immediately dispatch the TOUCH_MOVED event.
ui::TouchEvent touch_moved_event(
ui::ET_TOUCH_MOVED, touch_location, 0, ui::EventTimeForNow());
ui::TouchEvent touch_moved_event2 = touch_moved_event;
ui::TouchEvent touch_moved_event3 = touch_moved_event;
DispatchEventUsingWindowDispatcher(&touch_moved_event);
EXPECT_TRUE(recorder.events().empty());
// Check that on ReleasePointerMoves, held events are not dispatched
// immediately, but posted instead.
DispatchEventUsingWindowDispatcher(&touch_moved_event2);
host()->dispatcher()->ReleasePointerMoves();
EXPECT_TRUE(recorder.events().empty());
RunAllPendingInMessageLoop();
EXPECT_EQ("TOUCH_MOVED", EventTypesToString(recorder.events()));
recorder.Reset();
// If another touch event occurs then the held touch should be dispatched
// immediately before it.
ui::TouchEvent touch_released_event(
ui::ET_TOUCH_RELEASED, touch_location, 0, ui::EventTimeForNow());
recorder.Reset();
host()->dispatcher()->HoldPointerMoves();
DispatchEventUsingWindowDispatcher(&touch_moved_event3);
DispatchEventUsingWindowDispatcher(&touch_released_event);
EXPECT_EQ("TOUCH_MOVED TOUCH_RELEASED GESTURE_TAP GESTURE_END",
EventTypesToString(recorder.events()));
recorder.Reset();
host()->dispatcher()->ReleasePointerMoves();
RunAllPendingInMessageLoop();
EXPECT_TRUE(recorder.events().empty());
}
// This event handler requests the dispatcher to start holding pointer-move
// events when it receives the first scroll-update gesture.
class HoldPointerOnScrollHandler : public ui::test::TestEventHandler {
public:
HoldPointerOnScrollHandler(WindowEventDispatcher* dispatcher,
EventFilterRecorder* filter)
: dispatcher_(dispatcher),
filter_(filter),
holding_moves_(false) {}
virtual ~HoldPointerOnScrollHandler() {}
private:
// ui::test::TestEventHandler:
virtual void OnGestureEvent(ui::GestureEvent* gesture) OVERRIDE {
if (!holding_moves_ && gesture->type() == ui::ET_GESTURE_SCROLL_UPDATE) {
holding_moves_ = true;
dispatcher_->HoldPointerMoves();
filter_->Reset();
} else if (gesture->type() == ui::ET_GESTURE_SCROLL_END) {
dispatcher_->ReleasePointerMoves();
holding_moves_ = false;
}
}
WindowEventDispatcher* dispatcher_;
EventFilterRecorder* filter_;
bool holding_moves_;
DISALLOW_COPY_AND_ASSIGN(HoldPointerOnScrollHandler);
};
// Tests that touch-move events don't contribute to an in-progress scroll
// gesture if touch-move events are being held by the dispatcher.
TEST_F(WindowEventDispatcherTest, TouchMovesHeldOnScroll) {
EventFilterRecorder recorder;
root_window()->AddPreTargetHandler(&recorder);
test::TestWindowDelegate delegate;
HoldPointerOnScrollHandler handler(host()->dispatcher(), &recorder);
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(50, 50, 100, 100), root_window()));
window->AddPreTargetHandler(&handler);
test::EventGenerator generator(root_window());
generator.GestureScrollSequence(
gfx::Point(60, 60), gfx::Point(10, 60),
base::TimeDelta::FromMilliseconds(100), 25);
// |handler| will have reset |filter| and started holding the touch-move
// events when scrolling started. At the end of the scroll (i.e. upon
// touch-release), the held touch-move event will have been dispatched first,
// along with the subsequent events (i.e. touch-release, scroll-end, and
// gesture-end).
const EventFilterRecorder::Events& events = recorder.events();
EXPECT_EQ(
"TOUCH_MOVED GESTURE_SCROLL_UPDATE TOUCH_RELEASED "
"GESTURE_SCROLL_END GESTURE_END",
EventTypesToString(events));
ASSERT_EQ(2u, recorder.touch_locations().size());
EXPECT_EQ(gfx::Point(-40, 10).ToString(),
recorder.touch_locations()[0].ToString());
EXPECT_EQ(gfx::Point(-40, 10).ToString(),
recorder.touch_locations()[1].ToString());
}
// Tests that a 'held' touch-event does contribute to gesture event when it is
// dispatched.
TEST_F(WindowEventDispatcherTest, HeldTouchMoveContributesToGesture) {
EventFilterRecorder recorder;
root_window()->AddPreTargetHandler(&recorder);
const gfx::Point location(20, 20);
ui::TouchEvent press(
ui::ET_TOUCH_PRESSED, location, 0, ui::EventTimeForNow());
DispatchEventUsingWindowDispatcher(&press);
EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_TOUCH_PRESSED));
recorder.Reset();
host()->dispatcher()->HoldPointerMoves();
ui::TouchEvent move(ui::ET_TOUCH_MOVED,
location + gfx::Vector2d(100, 100),
0,
ui::EventTimeForNow());
DispatchEventUsingWindowDispatcher(&move);
EXPECT_FALSE(recorder.HasReceivedEvent(ui::ET_TOUCH_MOVED));
EXPECT_FALSE(recorder.HasReceivedEvent(ui::ET_GESTURE_SCROLL_BEGIN));
recorder.Reset();
host()->dispatcher()->ReleasePointerMoves();
EXPECT_FALSE(recorder.HasReceivedEvent(ui::ET_TOUCH_MOVED));
RunAllPendingInMessageLoop();
EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_TOUCH_MOVED));
EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_GESTURE_SCROLL_BEGIN));
EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_GESTURE_SCROLL_UPDATE));
root_window()->RemovePreTargetHandler(&recorder);
}
// Tests that synthetic mouse events are ignored when mouse
// events are disabled.
TEST_F(WindowEventDispatcherTest, DispatchSyntheticMouseEvents) {
EventFilterRecorder recorder;
root_window()->AddPreTargetHandler(&recorder);
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
window->Show();
window->SetCapture();
test::TestCursorClient cursor_client(root_window());
// Dispatch a non-synthetic mouse event when mouse events are enabled.
ui::MouseEvent mouse1(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
gfx::Point(10, 10), 0, 0);
DispatchEventUsingWindowDispatcher(&mouse1);
EXPECT_FALSE(recorder.events().empty());
recorder.Reset();
// Dispatch a synthetic mouse event when mouse events are enabled.
ui::MouseEvent mouse2(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
gfx::Point(10, 10), ui::EF_IS_SYNTHESIZED, 0);
DispatchEventUsingWindowDispatcher(&mouse2);
EXPECT_FALSE(recorder.events().empty());
recorder.Reset();
// Dispatch a synthetic mouse event when mouse events are disabled.
cursor_client.DisableMouseEvents();
DispatchEventUsingWindowDispatcher(&mouse2);
EXPECT_TRUE(recorder.events().empty());
root_window()->RemovePreTargetHandler(&recorder);
}
// Tests that a mouse-move event is not synthesized when a mouse-button is down.
TEST_F(WindowEventDispatcherTest, DoNotSynthesizeWhileButtonDown) {
EventFilterRecorder recorder;
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
window->Show();
window->AddPreTargetHandler(&recorder);
// Dispatch a non-synthetic mouse event when mouse events are enabled.
ui::MouseEvent mouse1(ui::ET_MOUSE_PRESSED, gfx::Point(10, 10),
gfx::Point(10, 10), ui::EF_LEFT_MOUSE_BUTTON,
ui::EF_LEFT_MOUSE_BUTTON);
DispatchEventUsingWindowDispatcher(&mouse1);
ASSERT_EQ(1u, recorder.events().size());
EXPECT_EQ(ui::ET_MOUSE_PRESSED, recorder.events()[0]);
window->RemovePreTargetHandler(&recorder);
recorder.Reset();
// Move |window| away from underneath the cursor.
root_window()->AddPreTargetHandler(&recorder);
window->SetBounds(gfx::Rect(30, 30, 100, 100));
EXPECT_TRUE(recorder.events().empty());
RunAllPendingInMessageLoop();
EXPECT_TRUE(recorder.events().empty());
root_window()->RemovePreTargetHandler(&recorder);
}
// Tests synthetic mouse events generated when window bounds changes such that
// the cursor previously outside the window becomes inside, or vice versa.
// Do not synthesize events if the window ignores events or is invisible.
TEST_F(WindowEventDispatcherTest, SynthesizeMouseEventsOnWindowBoundsChanged) {
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
window->Show();
window->SetCapture();
EventFilterRecorder recorder;
window->AddPreTargetHandler(&recorder);
// Dispatch a non-synthetic mouse event to place cursor inside window bounds.
ui::MouseEvent mouse(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
gfx::Point(10, 10), 0, 0);
DispatchEventUsingWindowDispatcher(&mouse);
EXPECT_FALSE(recorder.events().empty());
recorder.Reset();
// Update the window bounds so that cursor is now outside the window.
// This should trigger a synthetic MOVED event.
gfx::Rect bounds1(20, 20, 100, 100);
window->SetBounds(bounds1);
RunAllPendingInMessageLoop();
ASSERT_FALSE(recorder.events().empty());
ASSERT_FALSE(recorder.mouse_event_flags().empty());
EXPECT_EQ(ui::ET_MOUSE_MOVED, recorder.events().back());
EXPECT_EQ(ui::EF_IS_SYNTHESIZED, recorder.mouse_event_flags().back());
recorder.Reset();
// Set window to ignore events.
window->set_ignore_events(true);
// Update the window bounds so that cursor is back inside the window.
// This should not trigger a synthetic event.
gfx::Rect bounds2(5, 5, 100, 100);
window->SetBounds(bounds2);
RunAllPendingInMessageLoop();
EXPECT_TRUE(recorder.events().empty());
recorder.Reset();
// Set window to accept events but invisible.
window->set_ignore_events(false);
window->Hide();
recorder.Reset();
// Update the window bounds so that cursor is outside the window.
// This should not trigger a synthetic event.
window->SetBounds(bounds1);
RunAllPendingInMessageLoop();
EXPECT_TRUE(recorder.events().empty());
}
// Tests that a mouse exit is dispatched to the last known cursor location
// when the cursor becomes invisible.
TEST_F(WindowEventDispatcherTest, DispatchMouseExitWhenCursorHidden) {
EventFilterRecorder recorder;
root_window()->AddPreTargetHandler(&recorder);
test::TestWindowDelegate delegate;
gfx::Point window_origin(7, 18);
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1234, gfx::Rect(window_origin, gfx::Size(100, 100)),
root_window()));
window->Show();
// Dispatch a mouse move event into the window.
gfx::Point mouse_location(gfx::Point(15, 25));
ui::MouseEvent mouse1(ui::ET_MOUSE_MOVED, mouse_location,
mouse_location, 0, 0);
EXPECT_TRUE(recorder.events().empty());
DispatchEventUsingWindowDispatcher(&mouse1);
EXPECT_FALSE(recorder.events().empty());
recorder.Reset();
// Hide the cursor and verify a mouse exit was dispatched.
host()->OnCursorVisibilityChanged(false);
EXPECT_FALSE(recorder.events().empty());
EXPECT_EQ("MOUSE_EXITED", EventTypesToString(recorder.events()));
// Verify the mouse exit was dispatched at the correct location
// (in the correct coordinate space).
int translated_x = mouse_location.x() - window_origin.x();
int translated_y = mouse_location.y() - window_origin.y();
gfx::Point translated_point(translated_x, translated_y);
EXPECT_EQ(recorder.mouse_location(0).ToString(), translated_point.ToString());
root_window()->RemovePreTargetHandler(&recorder);
}
// Tests that a synthetic mouse exit is dispatched to the last known cursor
// location after mouse events are disabled on the cursor client.
TEST_F(WindowEventDispatcherTest,
DispatchSyntheticMouseExitAfterMouseEventsDisabled) {
EventFilterRecorder recorder;
root_window()->AddPreTargetHandler(&recorder);
test::TestWindowDelegate delegate;
gfx::Point window_origin(7, 18);
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1234, gfx::Rect(window_origin, gfx::Size(100, 100)),
root_window()));
window->Show();
// Dispatch a mouse move event into the window.
gfx::Point mouse_location(gfx::Point(15, 25));
ui::MouseEvent mouse1(ui::ET_MOUSE_MOVED, mouse_location,
mouse_location, 0, 0);
EXPECT_TRUE(recorder.events().empty());
DispatchEventUsingWindowDispatcher(&mouse1);
EXPECT_FALSE(recorder.events().empty());
recorder.Reset();
test::TestCursorClient cursor_client(root_window());
cursor_client.DisableMouseEvents();
gfx::Point mouse_exit_location(gfx::Point(150, 150));
ui::MouseEvent mouse2(ui::ET_MOUSE_EXITED, gfx::Point(150, 150),
gfx::Point(150, 150), ui::EF_IS_SYNTHESIZED, 0);
DispatchEventUsingWindowDispatcher(&mouse2);
EXPECT_FALSE(recorder.events().empty());
// We get the mouse exited event twice in our filter. Once during the
// predispatch phase and during the actual dispatch.
EXPECT_EQ("MOUSE_EXITED MOUSE_EXITED", EventTypesToString(recorder.events()));
// Verify the mouse exit was dispatched at the correct location
// (in the correct coordinate space).
int translated_x = mouse_exit_location.x() - window_origin.x();
int translated_y = mouse_exit_location.y() - window_origin.y();
gfx::Point translated_point(translated_x, translated_y);
EXPECT_EQ(recorder.mouse_location(0).ToString(), translated_point.ToString());
root_window()->RemovePreTargetHandler(&recorder);
}
class DeletingEventFilter : public ui::EventHandler {
public:
DeletingEventFilter()
: delete_during_pre_handle_(false) {}
virtual ~DeletingEventFilter() {}
void Reset(bool delete_during_pre_handle) {
delete_during_pre_handle_ = delete_during_pre_handle;
}
private:
// Overridden from ui::EventHandler:
virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE {
if (delete_during_pre_handle_)
delete event->target();
}
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
if (delete_during_pre_handle_)
delete event->target();
}
bool delete_during_pre_handle_;
DISALLOW_COPY_AND_ASSIGN(DeletingEventFilter);
};
class DeletingWindowDelegate : public test::TestWindowDelegate {
public:
DeletingWindowDelegate()
: window_(NULL),
delete_during_handle_(false),
got_event_(false) {}
virtual ~DeletingWindowDelegate() {}
void Reset(Window* window, bool delete_during_handle) {
window_ = window;
delete_during_handle_ = delete_during_handle;
got_event_ = false;
}
bool got_event() const { return got_event_; }
private:
// Overridden from WindowDelegate:
virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE {
if (delete_during_handle_)
delete window_;
got_event_ = true;
}
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
if (delete_during_handle_)
delete window_;
got_event_ = true;
}
Window* window_;
bool delete_during_handle_;
bool got_event_;
DISALLOW_COPY_AND_ASSIGN(DeletingWindowDelegate);
};
TEST_F(WindowEventDispatcherTest, DeleteWindowDuringDispatch) {
// Verifies that we can delete a window during each phase of event handling.
// Deleting the window should not cause a crash, only prevent further
// processing from occurring.
scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), NULL));
DeletingWindowDelegate d11;
Window* w11 = CreateNormalWindow(11, w1.get(), &d11);
WindowTracker tracker;
DeletingEventFilter w1_filter;
w1->AddPreTargetHandler(&w1_filter);
client::GetFocusClient(w1.get())->FocusWindow(w11);
test::EventGenerator generator(root_window(), w11);
// First up, no one deletes anything.
tracker.Add(w11);
d11.Reset(w11, false);
generator.PressLeftButton();
EXPECT_TRUE(tracker.Contains(w11));
EXPECT_TRUE(d11.got_event());
generator.ReleaseLeftButton();
// Delegate deletes w11. This will prevent the post-handle step from applying.
w1_filter.Reset(false);
d11.Reset(w11, true);
generator.PressKey(ui::VKEY_A, 0);
EXPECT_FALSE(tracker.Contains(w11));
EXPECT_TRUE(d11.got_event());
// Pre-handle step deletes w11. This will prevent the delegate and the post-
// handle steps from applying.
w11 = CreateNormalWindow(11, w1.get(), &d11);
w1_filter.Reset(true);
d11.Reset(w11, false);
generator.PressLeftButton();
EXPECT_FALSE(tracker.Contains(w11));
EXPECT_FALSE(d11.got_event());
}
namespace {
// A window delegate that detaches the parent of the target's parent window when
// it receives a tap event.
class DetachesParentOnTapDelegate : public test::TestWindowDelegate {
public:
DetachesParentOnTapDelegate() {}
virtual ~DetachesParentOnTapDelegate() {}
private:
virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
if (event->type() == ui::ET_GESTURE_TAP_DOWN) {
event->SetHandled();
return;
}
if (event->type() == ui::ET_GESTURE_TAP) {
Window* parent = static_cast<Window*>(event->target())->parent();
parent->parent()->RemoveChild(parent);
event->SetHandled();
}
}
DISALLOW_COPY_AND_ASSIGN(DetachesParentOnTapDelegate);
};
} // namespace
// Tests that the gesture recognizer is reset for all child windows when a
// window hides. No expectations, just checks that the test does not crash.
TEST_F(WindowEventDispatcherTest,
GestureRecognizerResetsTargetWhenParentHides) {
scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), NULL));
DetachesParentOnTapDelegate delegate;
scoped_ptr<Window> parent(CreateNormalWindow(22, w1.get(), NULL));
Window* child = CreateNormalWindow(11, parent.get(), &delegate);
test::EventGenerator generator(root_window(), child);
generator.GestureTapAt(gfx::Point(40, 40));
}
namespace {
// A window delegate that processes nested gestures on tap.
class NestedGestureDelegate : public test::TestWindowDelegate {
public:
NestedGestureDelegate(test::EventGenerator* generator,
const gfx::Point tap_location)
: generator_(generator),
tap_location_(tap_location),
gesture_end_count_(0) {}
virtual ~NestedGestureDelegate() {}
int gesture_end_count() const { return gesture_end_count_; }
private:
virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
switch (event->type()) {
case ui::ET_GESTURE_TAP_DOWN:
event->SetHandled();
break;
case ui::ET_GESTURE_TAP:
if (generator_)
generator_->GestureTapAt(tap_location_);
event->SetHandled();
break;
case ui::ET_GESTURE_END:
++gesture_end_count_;
break;
default:
break;
}
}
test::EventGenerator* generator_;
const gfx::Point tap_location_;
int gesture_end_count_;
DISALLOW_COPY_AND_ASSIGN(NestedGestureDelegate);
};
} // namespace
// Tests that gesture end is delivered after nested gesture processing.
TEST_F(WindowEventDispatcherTest, GestureEndDeliveredAfterNestedGestures) {
NestedGestureDelegate d1(NULL, gfx::Point());
scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), &d1));
w1->SetBounds(gfx::Rect(0, 0, 100, 100));
test::EventGenerator nested_generator(root_window(), w1.get());
NestedGestureDelegate d2(&nested_generator, w1->bounds().CenterPoint());
scoped_ptr<Window> w2(CreateNormalWindow(1, root_window(), &d2));
w2->SetBounds(gfx::Rect(100, 0, 100, 100));
// Tap on w2 which triggers nested gestures for w1.
test::EventGenerator generator(root_window(), w2.get());
generator.GestureTapAt(w2->bounds().CenterPoint());
// Both windows should get their gesture end events.
EXPECT_EQ(1, d1.gesture_end_count());
EXPECT_EQ(1, d2.gesture_end_count());
}
// Tests whether we can repost the Tap down gesture event.
TEST_F(WindowEventDispatcherTest, RepostTapdownGestureTest) {
EventFilterRecorder recorder;
root_window()->AddPreTargetHandler(&recorder);
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
ui::GestureEventDetails details(ui::ET_GESTURE_TAP_DOWN, 0.0f, 0.0f);
gfx::Point point(10, 10);
ui::GestureEvent event(ui::ET_GESTURE_TAP_DOWN,
point.x(),
point.y(),
0,
ui::EventTimeForNow(),
details,
0);
host()->dispatcher()->RepostEvent(event);
RunAllPendingInMessageLoop();
// TODO(rbyers): Currently disabled - crbug.com/170987
EXPECT_FALSE(EventTypesToString(recorder.events()).find("GESTURE_TAP_DOWN") !=
std::string::npos);
recorder.Reset();
root_window()->RemovePreTargetHandler(&recorder);
}
// This class inherits from the EventFilterRecorder class which provides a
// facility to record events. This class additionally provides a facility to
// repost the ET_GESTURE_TAP_DOWN gesture to the target window and records
// events after that.
class RepostGestureEventRecorder : public EventFilterRecorder {
public:
RepostGestureEventRecorder(aura::Window* repost_source,
aura::Window* repost_target)
: repost_source_(repost_source),
repost_target_(repost_target),
reposted_(false),
done_cleanup_(false) {}
virtual ~RepostGestureEventRecorder() {}
virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE {
if (reposted_ && event->type() == ui::ET_TOUCH_PRESSED) {
done_cleanup_ = true;
Reset();
}
EventFilterRecorder::OnTouchEvent(event);
}
virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
EXPECT_EQ(done_cleanup_ ? repost_target_ : repost_source_, event->target());
if (event->type() == ui::ET_GESTURE_TAP_DOWN) {
if (!reposted_) {
EXPECT_NE(repost_target_, event->target());
reposted_ = true;
repost_target_->GetHost()->dispatcher()->RepostEvent(*event);
// Ensure that the reposted gesture event above goes to the
// repost_target_;
repost_source_->GetRootWindow()->RemoveChild(repost_source_);
return;
}
}
EventFilterRecorder::OnGestureEvent(event);
}
// Ignore mouse events as they don't fire at all times. This causes
// the GestureRepostEventOrder test to fail randomly.
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {}
private:
aura::Window* repost_source_;
aura::Window* repost_target_;
// set to true if we reposted the ET_GESTURE_TAP_DOWN event.
bool reposted_;
// set true if we're done cleaning up after hiding repost_source_;
bool done_cleanup_;
DISALLOW_COPY_AND_ASSIGN(RepostGestureEventRecorder);
};
// Tests whether events which are generated after the reposted gesture event
// are received after that. In this case the scroll sequence events should
// be received after the reposted gesture event.
TEST_F(WindowEventDispatcherTest, GestureRepostEventOrder) {
// Expected events at the end for the repost_target window defined below.
const char kExpectedTargetEvents[] =
// TODO)(rbyers): Gesture event reposting is disabled - crbug.com/279039.
// "GESTURE_BEGIN GESTURE_TAP_DOWN "
"TOUCH_PRESSED GESTURE_BEGIN GESTURE_TAP_DOWN TOUCH_MOVED "
"GESTURE_TAP_CANCEL GESTURE_SCROLL_BEGIN GESTURE_SCROLL_UPDATE TOUCH_MOVED "
"GESTURE_SCROLL_UPDATE TOUCH_MOVED GESTURE_SCROLL_UPDATE TOUCH_RELEASED "
"GESTURE_SCROLL_END GESTURE_END";
// We create two windows.
// The first window (repost_source) is the one to which the initial tap
// gesture is sent. It reposts this event to the second window
// (repost_target).
// We then generate the scroll sequence for repost_target and look for two
// ET_GESTURE_TAP_DOWN events in the event list at the end.
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> repost_target(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
scoped_ptr<aura::Window> repost_source(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(0, 0, 50, 50), root_window()));
RepostGestureEventRecorder repost_event_recorder(repost_source.get(),
repost_target.get());
root_window()->AddPreTargetHandler(&repost_event_recorder);
// Generate a tap down gesture for the repost_source. This will be reposted
// to repost_target.
test::EventGenerator repost_generator(root_window(), repost_source.get());
repost_generator.GestureTapAt(gfx::Point(40, 40));
RunAllPendingInMessageLoop();
test::EventGenerator scroll_generator(root_window(), repost_target.get());
scroll_generator.GestureScrollSequence(
gfx::Point(80, 80),
gfx::Point(100, 100),
base::TimeDelta::FromMilliseconds(100),
3);
RunAllPendingInMessageLoop();
int tap_down_count = 0;
for (size_t i = 0; i < repost_event_recorder.events().size(); ++i) {
if (repost_event_recorder.events()[i] == ui::ET_GESTURE_TAP_DOWN)
++tap_down_count;
}
// We expect two tap down events. One from the repost and the other one from
// the scroll sequence posted above.
// TODO(rbyers): Currently disabled - crbug.com/170987
EXPECT_EQ(1, tap_down_count);
EXPECT_EQ(kExpectedTargetEvents,
EventTypesToString(repost_event_recorder.events()));
root_window()->RemovePreTargetHandler(&repost_event_recorder);
}
class OnMouseExitDeletingEventFilter : public EventFilterRecorder {
public:
OnMouseExitDeletingEventFilter() : window_to_delete_(NULL) {}
virtual ~OnMouseExitDeletingEventFilter() {}
void set_window_to_delete(Window* window_to_delete) {
window_to_delete_ = window_to_delete;
}
private:
// Overridden from ui::EventHandler:
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
EventFilterRecorder::OnMouseEvent(event);
if (window_to_delete_) {
delete window_to_delete_;
window_to_delete_ = NULL;
}
}
Window* window_to_delete_;
DISALLOW_COPY_AND_ASSIGN(OnMouseExitDeletingEventFilter);
};
// Tests that RootWindow drops mouse-moved event that is supposed to be sent to
// a child, but the child is destroyed because of the synthesized mouse-exit
// event generated on the previous mouse_moved_handler_.
TEST_F(WindowEventDispatcherTest, DeleteWindowDuringMouseMovedDispatch) {
// Create window 1 and set its event filter. Window 1 will take ownership of
// the event filter.
scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), NULL));
OnMouseExitDeletingEventFilter w1_filter;
w1->AddPreTargetHandler(&w1_filter);
w1->SetBounds(gfx::Rect(20, 20, 60, 60));
EXPECT_EQ(NULL, host()->dispatcher()->mouse_moved_handler());
test::EventGenerator generator(root_window(), w1.get());
// Move mouse over window 1 to set it as the |mouse_moved_handler_| for the
// root window.
generator.MoveMouseTo(51, 51);
EXPECT_EQ(w1.get(), host()->dispatcher()->mouse_moved_handler());
// Create window 2 under the mouse cursor and stack it above window 1.
Window* w2 = CreateNormalWindow(2, root_window(), NULL);
w2->SetBounds(gfx::Rect(30, 30, 40, 40));
root_window()->StackChildAbove(w2, w1.get());
// Set window 2 as the window that is to be deleted when a mouse-exited event
// happens on window 1.
w1_filter.set_window_to_delete(w2);
// Move mosue over window 2. This should generate a mouse-exited event for
// window 1 resulting in deletion of window 2. The original mouse-moved event
// that was targeted to window 2 should be dropped since window 2 is
// destroyed. This test passes if no crash happens.
generator.MoveMouseTo(52, 52);
EXPECT_EQ(NULL, host()->dispatcher()->mouse_moved_handler());
// Check events received by window 1.
EXPECT_EQ("MOUSE_ENTERED MOUSE_MOVED MOUSE_EXITED",
EventTypesToString(w1_filter.events()));
}
namespace {
// Used to track if OnWindowDestroying() is invoked and if there is a valid
// RootWindow at such time.
class ValidRootDuringDestructionWindowObserver : public aura::WindowObserver {
public:
ValidRootDuringDestructionWindowObserver(bool* got_destroying,
bool* has_valid_root)
: got_destroying_(got_destroying),
has_valid_root_(has_valid_root) {
}
// WindowObserver:
virtual void OnWindowDestroying(aura::Window* window) OVERRIDE {
*got_destroying_ = true;
*has_valid_root_ = (window->GetRootWindow() != NULL);
}
private:
bool* got_destroying_;
bool* has_valid_root_;
DISALLOW_COPY_AND_ASSIGN(ValidRootDuringDestructionWindowObserver);
};
} // namespace
// Verifies GetRootWindow() from ~Window returns a valid root.
TEST_F(WindowEventDispatcherTest, ValidRootDuringDestruction) {
bool got_destroying = false;
bool has_valid_root = false;
ValidRootDuringDestructionWindowObserver observer(&got_destroying,
&has_valid_root);
{
scoped_ptr<WindowTreeHost> host(
WindowTreeHost::Create(gfx::Rect(0, 0, 100, 100)));
host->InitHost();
// Owned by WindowEventDispatcher.
Window* w1 = CreateNormalWindow(1, host->window(), NULL);
w1->AddObserver(&observer);
}
EXPECT_TRUE(got_destroying);
EXPECT_TRUE(has_valid_root);
}
namespace {
// See description above DontResetHeldEvent for details.
class DontResetHeldEventWindowDelegate : public test::TestWindowDelegate {
public:
explicit DontResetHeldEventWindowDelegate(aura::Window* root)
: root_(root),
mouse_event_count_(0) {}
virtual ~DontResetHeldEventWindowDelegate() {}
int mouse_event_count() const { return mouse_event_count_; }
// TestWindowDelegate:
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
if ((event->flags() & ui::EF_SHIFT_DOWN) != 0 &&
mouse_event_count_++ == 0) {
ui::MouseEvent mouse_event(ui::ET_MOUSE_PRESSED,
gfx::Point(10, 10), gfx::Point(10, 10),
ui::EF_SHIFT_DOWN, 0);
root_->GetHost()->dispatcher()->RepostEvent(mouse_event);
}
}
private:
Window* root_;
int mouse_event_count_;
DISALLOW_COPY_AND_ASSIGN(DontResetHeldEventWindowDelegate);
};
} // namespace
// Verifies RootWindow doesn't reset |RootWindow::held_repostable_event_| after
// dispatching. This is done by using DontResetHeldEventWindowDelegate, which
// tracks the number of events with ui::EF_SHIFT_DOWN set (all reposted events
// have EF_SHIFT_DOWN). When the first event is seen RepostEvent() is used to
// schedule another reposted event.
TEST_F(WindowEventDispatcherTest, DontResetHeldEvent) {
DontResetHeldEventWindowDelegate delegate(root_window());
scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), &delegate));
w1->SetBounds(gfx::Rect(0, 0, 40, 40));
ui::MouseEvent pressed(ui::ET_MOUSE_PRESSED,
gfx::Point(10, 10), gfx::Point(10, 10),
ui::EF_SHIFT_DOWN, 0);
root_window()->GetHost()->dispatcher()->RepostEvent(pressed);
ui::MouseEvent pressed2(ui::ET_MOUSE_PRESSED,
gfx::Point(10, 10), gfx::Point(10, 10), 0, 0);
// Dispatch an event to flush event scheduled by way of RepostEvent().
DispatchEventUsingWindowDispatcher(&pressed2);
// Delegate should have seen reposted event (identified by way of
// EF_SHIFT_DOWN). Dispatch another event to flush the second
// RepostedEvent().
EXPECT_EQ(1, delegate.mouse_event_count());
DispatchEventUsingWindowDispatcher(&pressed2);
EXPECT_EQ(2, delegate.mouse_event_count());
}
namespace {
// See description above DeleteHostFromHeldMouseEvent for details.
class DeleteHostFromHeldMouseEventDelegate
: public test::TestWindowDelegate {
public:
explicit DeleteHostFromHeldMouseEventDelegate(WindowTreeHost* host)
: host_(host),
got_mouse_event_(false),
got_destroy_(false) {
}
virtual ~DeleteHostFromHeldMouseEventDelegate() {}
bool got_mouse_event() const { return got_mouse_event_; }
bool got_destroy() const { return got_destroy_; }
// TestWindowDelegate:
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
if ((event->flags() & ui::EF_SHIFT_DOWN) != 0) {
got_mouse_event_ = true;
delete host_;
}
}
virtual void OnWindowDestroyed(Window* window) OVERRIDE {
got_destroy_ = true;
}
private:
WindowTreeHost* host_;
bool got_mouse_event_;
bool got_destroy_;
DISALLOW_COPY_AND_ASSIGN(DeleteHostFromHeldMouseEventDelegate);
};
} // namespace
// Verifies if a WindowTreeHost is deleted from dispatching a held mouse event
// we don't crash.
TEST_F(WindowEventDispatcherTest, DeleteHostFromHeldMouseEvent) {
// Should be deleted by |delegate|.
WindowTreeHost* h2 = WindowTreeHost::Create(gfx::Rect(0, 0, 100, 100));
h2->InitHost();
DeleteHostFromHeldMouseEventDelegate delegate(h2);
// Owned by |h2|.
Window* w1 = CreateNormalWindow(1, h2->window(), &delegate);
w1->SetBounds(gfx::Rect(0, 0, 40, 40));
ui::MouseEvent pressed(ui::ET_MOUSE_PRESSED,
gfx::Point(10, 10), gfx::Point(10, 10),
ui::EF_SHIFT_DOWN, 0);
h2->dispatcher()->RepostEvent(pressed);
// RunAllPendingInMessageLoop() to make sure the |pressed| is run.
RunAllPendingInMessageLoop();
EXPECT_TRUE(delegate.got_mouse_event());
EXPECT_TRUE(delegate.got_destroy());
}
TEST_F(WindowEventDispatcherTest, WindowHideCancelsActiveTouches) {
EventFilterRecorder recorder;
root_window()->AddPreTargetHandler(&recorder);
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
gfx::Point position1 = root_window()->bounds().origin();
ui::TouchEvent press(
ui::ET_TOUCH_PRESSED, position1, 0, ui::EventTimeForNow());
DispatchEventUsingWindowDispatcher(&press);
EXPECT_EQ("TOUCH_PRESSED GESTURE_BEGIN GESTURE_TAP_DOWN",
EventTypesToString(recorder.GetAndResetEvents()));
window->Hide();
EXPECT_EQ(ui::ET_TOUCH_CANCELLED, recorder.events()[0]);
EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_GESTURE_TAP_CANCEL));
EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_GESTURE_END));
EXPECT_EQ(3U, recorder.events().size());
root_window()->RemovePreTargetHandler(&recorder);
}
TEST_F(WindowEventDispatcherTest, WindowHideCancelsActiveGestures) {
EventFilterRecorder recorder;
root_window()->AddPreTargetHandler(&recorder);
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
gfx::Point position1 = root_window()->bounds().origin();
gfx::Point position2 = root_window()->bounds().CenterPoint();
ui::TouchEvent press(
ui::ET_TOUCH_PRESSED, position1, 0, ui::EventTimeForNow());
DispatchEventUsingWindowDispatcher(&press);
ui::TouchEvent move(
ui::ET_TOUCH_MOVED, position2, 0, ui::EventTimeForNow());
DispatchEventUsingWindowDispatcher(&move);
ui::TouchEvent press2(
ui::ET_TOUCH_PRESSED, position1, 1, ui::EventTimeForNow());
DispatchEventUsingWindowDispatcher(&press2);
// TODO(tdresser): once the unified Gesture Recognizer has stuck, remove the
// special casing here. See crbug.com/332418 for details.
std::string expected =
"TOUCH_PRESSED GESTURE_BEGIN GESTURE_TAP_DOWN TOUCH_MOVED "
"GESTURE_TAP_CANCEL GESTURE_SCROLL_BEGIN GESTURE_SCROLL_UPDATE "
"TOUCH_PRESSED GESTURE_BEGIN GESTURE_PINCH_BEGIN";
std::string expected_ugr =
"TOUCH_PRESSED GESTURE_BEGIN GESTURE_TAP_DOWN TOUCH_MOVED "
"GESTURE_TAP_CANCEL GESTURE_SCROLL_BEGIN GESTURE_SCROLL_UPDATE "
"TOUCH_PRESSED GESTURE_BEGIN";
std::string events_string = EventTypesToString(recorder.GetAndResetEvents());
EXPECT_TRUE((expected == events_string) || (expected_ugr == events_string));
window->Hide();
expected =
"TOUCH_CANCELLED GESTURE_PINCH_END GESTURE_END TOUCH_CANCELLED "
"GESTURE_SCROLL_END GESTURE_END";
expected_ugr =
"TOUCH_CANCELLED GESTURE_SCROLL_END GESTURE_END GESTURE_END "
"TOUCH_CANCELLED";
events_string = EventTypesToString(recorder.GetAndResetEvents());
EXPECT_TRUE((expected == events_string) || (expected_ugr == events_string));
root_window()->RemovePreTargetHandler(&recorder);
}
// Places two windows side by side. Presses down on one window, and starts a
// scroll. Sets capture on the other window and ensures that the "ending" events
// aren't sent to the window which gained capture.
TEST_F(WindowEventDispatcherTest, EndingEventDoesntRetarget) {
EventFilterRecorder recorder1;
EventFilterRecorder recorder2;
scoped_ptr<Window> window1(CreateNormalWindow(1, root_window(), NULL));
window1->SetBounds(gfx::Rect(0, 0, 40, 40));
scoped_ptr<Window> window2(CreateNormalWindow(2, root_window(), NULL));
window2->SetBounds(gfx::Rect(40, 0, 40, 40));
window1->AddPreTargetHandler(&recorder1);
window2->AddPreTargetHandler(&recorder2);
gfx::Point position = window1->bounds().origin();
ui::TouchEvent press(
ui::ET_TOUCH_PRESSED, position, 0, ui::EventTimeForNow());
DispatchEventUsingWindowDispatcher(&press);
gfx::Point position2 = window1->bounds().CenterPoint();
ui::TouchEvent move(
ui::ET_TOUCH_MOVED, position2, 0, ui::EventTimeForNow());
DispatchEventUsingWindowDispatcher(&move);
window2->SetCapture();
EXPECT_EQ("TOUCH_PRESSED GESTURE_BEGIN GESTURE_TAP_DOWN TOUCH_MOVED "
"GESTURE_TAP_CANCEL GESTURE_SCROLL_BEGIN GESTURE_SCROLL_UPDATE "
"TOUCH_CANCELLED GESTURE_SCROLL_END GESTURE_END",
EventTypesToString(recorder1.events()));
EXPECT_TRUE(recorder2.events().empty());
}
namespace {
// This class creates and manages a window which is destroyed as soon as
// capture is lost. This is the case for the drag and drop capture window.
class CaptureWindowTracker : public test::TestWindowDelegate {
public:
CaptureWindowTracker() {}
virtual ~CaptureWindowTracker() {}
void CreateCaptureWindow(aura::Window* root_window) {
capture_window_.reset(test::CreateTestWindowWithDelegate(
this, -1234, gfx::Rect(20, 20, 20, 20), root_window));
capture_window_->SetCapture();
}
void reset() {
capture_window_.reset();
}
virtual void OnCaptureLost() OVERRIDE {
capture_window_.reset();
}
virtual void OnWindowDestroyed(Window* window) OVERRIDE {
TestWindowDelegate::OnWindowDestroyed(window);
capture_window_.reset();
}
aura::Window* capture_window() { return capture_window_.get(); }
private:
scoped_ptr<aura::Window> capture_window_;
DISALLOW_COPY_AND_ASSIGN(CaptureWindowTracker);
};
}
// Verifies handling loss of capture by the capture window being hidden.
TEST_F(WindowEventDispatcherTest, CaptureWindowHidden) {
CaptureWindowTracker capture_window_tracker;
capture_window_tracker.CreateCaptureWindow(root_window());
capture_window_tracker.capture_window()->Hide();
EXPECT_EQ(NULL, capture_window_tracker.capture_window());
}
// Verifies handling loss of capture by the capture window being destroyed.
TEST_F(WindowEventDispatcherTest, CaptureWindowDestroyed) {
CaptureWindowTracker capture_window_tracker;
capture_window_tracker.CreateCaptureWindow(root_window());
capture_window_tracker.reset();
EXPECT_EQ(NULL, capture_window_tracker.capture_window());
}
class ExitMessageLoopOnMousePress : public ui::test::TestEventHandler {
public:
ExitMessageLoopOnMousePress() {}
virtual ~ExitMessageLoopOnMousePress() {}
protected:
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
ui::test::TestEventHandler::OnMouseEvent(event);
if (event->type() == ui::ET_MOUSE_PRESSED)
base::MessageLoopForUI::current()->Quit();
}
private:
DISALLOW_COPY_AND_ASSIGN(ExitMessageLoopOnMousePress);
};
class WindowEventDispatcherTestWithMessageLoop
: public WindowEventDispatcherTest {
public:
WindowEventDispatcherTestWithMessageLoop() {}
virtual ~WindowEventDispatcherTestWithMessageLoop() {}
void RunTest() {
// Reset any event the window may have received when bringing up the window
// (e.g. mouse-move events if the mouse cursor is over the window).
handler_.Reset();
// Start a nested message-loop, post an event to be dispatched, and then
// terminate the message-loop. When the message-loop unwinds and gets back,
// the reposted event should not have fired.
scoped_ptr<ui::MouseEvent> mouse(new ui::MouseEvent(ui::ET_MOUSE_PRESSED,
gfx::Point(10, 10),
gfx::Point(10, 10),
ui::EF_NONE,
ui::EF_NONE));
message_loop()->PostTask(
FROM_HERE,
base::Bind(&WindowEventDispatcherTestWithMessageLoop::RepostEventHelper,
host()->dispatcher(),
base::Passed(&mouse)));
message_loop()->PostTask(FROM_HERE, message_loop()->QuitClosure());
base::MessageLoop::ScopedNestableTaskAllower allow(message_loop());
base::RunLoop loop;
loop.Run();
EXPECT_EQ(0, handler_.num_mouse_events());
// Let the current message-loop run. The event-handler will terminate the
// message-loop when it receives the reposted event.
}
base::MessageLoop* message_loop() {
return base::MessageLoopForUI::current();
}
protected:
virtual void SetUp() OVERRIDE {
WindowEventDispatcherTest::SetUp();
window_.reset(CreateNormalWindow(1, root_window(), NULL));
window_->AddPreTargetHandler(&handler_);
}
virtual void TearDown() OVERRIDE {
window_.reset();
WindowEventDispatcherTest::TearDown();
}
private:
// Used to avoid a copying |event| when binding to a closure.
static void RepostEventHelper(WindowEventDispatcher* dispatcher,
scoped_ptr<ui::MouseEvent> event) {
dispatcher->RepostEvent(*event);
}
scoped_ptr<Window> window_;
ExitMessageLoopOnMousePress handler_;
DISALLOW_COPY_AND_ASSIGN(WindowEventDispatcherTestWithMessageLoop);
};
TEST_F(WindowEventDispatcherTestWithMessageLoop, EventRepostedInNonNestedLoop) {
CHECK(!message_loop()->is_running());
// Perform the test in a callback, so that it runs after the message-loop
// starts.
message_loop()->PostTask(
FROM_HERE, base::Bind(
&WindowEventDispatcherTestWithMessageLoop::RunTest,
base::Unretained(this)));
message_loop()->Run();
}
class WindowEventDispatcherTestInHighDPI : public WindowEventDispatcherTest {
public:
WindowEventDispatcherTestInHighDPI() {}
virtual ~WindowEventDispatcherTestInHighDPI() {}
protected:
virtual void SetUp() OVERRIDE {
WindowEventDispatcherTest::SetUp();
test_screen()->SetDeviceScaleFactor(2.f);
}
};
TEST_F(WindowEventDispatcherTestInHighDPI, EventLocationTransform) {
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> child(test::CreateTestWindowWithDelegate(&delegate,
1234, gfx::Rect(20, 20, 100, 100), root_window()));
child->Show();
ui::test::TestEventHandler handler_child;
ui::test::TestEventHandler handler_root;
root_window()->AddPreTargetHandler(&handler_root);
child->AddPreTargetHandler(&handler_child);
{
ui::MouseEvent move(ui::ET_MOUSE_MOVED,
gfx::Point(30, 30), gfx::Point(30, 30),
ui::EF_NONE, ui::EF_NONE);
DispatchEventUsingWindowDispatcher(&move);
EXPECT_EQ(0, handler_child.num_mouse_events());
EXPECT_EQ(1, handler_root.num_mouse_events());
}
{
ui::MouseEvent move(ui::ET_MOUSE_MOVED,
gfx::Point(50, 50), gfx::Point(50, 50),
ui::EF_NONE, ui::EF_NONE);
DispatchEventUsingWindowDispatcher(&move);
// The child receives an ENTER, and a MOVED event.
EXPECT_EQ(2, handler_child.num_mouse_events());
// The root receives both the ENTER and the MOVED events dispatched to
// |child|, as well as an EXIT event.
EXPECT_EQ(3, handler_root.num_mouse_events());
}
child->RemovePreTargetHandler(&handler_child);
root_window()->RemovePreTargetHandler(&handler_root);
}
TEST_F(WindowEventDispatcherTestInHighDPI, TouchMovesHeldOnScroll) {
EventFilterRecorder recorder;
root_window()->AddPreTargetHandler(&recorder);
test::TestWindowDelegate delegate;
HoldPointerOnScrollHandler handler(host()->dispatcher(), &recorder);
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(50, 50, 100, 100), root_window()));
window->AddPreTargetHandler(&handler);
test::EventGenerator generator(root_window());
generator.GestureScrollSequence(
gfx::Point(120, 120), gfx::Point(20, 120),
base::TimeDelta::FromMilliseconds(100), 25);
// |handler| will have reset |filter| and started holding the touch-move
// events when scrolling started. At the end of the scroll (i.e. upon
// touch-release), the held touch-move event will have been dispatched first,
// along with the subsequent events (i.e. touch-release, scroll-end, and
// gesture-end).
const EventFilterRecorder::Events& events = recorder.events();
EXPECT_EQ(
"TOUCH_MOVED GESTURE_SCROLL_UPDATE TOUCH_RELEASED "
"GESTURE_SCROLL_END GESTURE_END",
EventTypesToString(events));
ASSERT_EQ(2u, recorder.touch_locations().size());
EXPECT_EQ(gfx::Point(-40, 10).ToString(),
recorder.touch_locations()[0].ToString());
EXPECT_EQ(gfx::Point(-40, 10).ToString(),
recorder.touch_locations()[1].ToString());
}
class SelfDestructDelegate : public test::TestWindowDelegate {
public:
SelfDestructDelegate() {}
virtual ~SelfDestructDelegate() {}
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
window_.reset();
}
void set_window(scoped_ptr<aura::Window> window) {
window_ = window.Pass();
}
bool has_window() const { return !!window_.get(); }
private:
scoped_ptr<aura::Window> window_;
DISALLOW_COPY_AND_ASSIGN(SelfDestructDelegate);
};
TEST_F(WindowEventDispatcherTest, SynthesizedLocatedEvent) {
test::EventGenerator generator(root_window());
generator.MoveMouseTo(10, 10);
EXPECT_EQ("10,10",
Env::GetInstance()->last_mouse_location().ToString());
// Synthesized event should not update the mouse location.
ui::MouseEvent mouseev(ui::ET_MOUSE_MOVED, gfx::Point(), gfx::Point(),
ui::EF_IS_SYNTHESIZED, 0);
generator.Dispatch(&mouseev);
EXPECT_EQ("10,10",
Env::GetInstance()->last_mouse_location().ToString());
generator.MoveMouseTo(0, 0);
EXPECT_EQ("0,0",
Env::GetInstance()->last_mouse_location().ToString());
// Make sure the location gets updated when a syntheiszed enter
// event destroyed the window.
SelfDestructDelegate delegate;
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(50, 50, 100, 100), root_window()));
delegate.set_window(window.Pass());
EXPECT_TRUE(delegate.has_window());
generator.MoveMouseTo(100, 100);
EXPECT_FALSE(delegate.has_window());
EXPECT_EQ("100,100",
Env::GetInstance()->last_mouse_location().ToString());
}
class StaticFocusClient : public client::FocusClient {
public:
explicit StaticFocusClient(Window* focused)
: focused_(focused) {}
virtual ~StaticFocusClient() {}
private:
// client::FocusClient:
virtual void AddObserver(client::FocusChangeObserver* observer) OVERRIDE {}
virtual void RemoveObserver(client::FocusChangeObserver* observer) OVERRIDE {}
virtual void FocusWindow(Window* window) OVERRIDE {}
virtual void ResetFocusWithinActiveWindow(Window* window) OVERRIDE {}
virtual Window* GetFocusedWindow() OVERRIDE { return focused_; }
Window* focused_;
DISALLOW_COPY_AND_ASSIGN(StaticFocusClient);
};
// Tests that host-cancel-mode event can be dispatched to a dispatcher safely
// when the focused window does not live in the dispatcher's tree.
TEST_F(WindowEventDispatcherTest, HostCancelModeWithFocusedWindowOutside) {
test::TestWindowDelegate delegate;
scoped_ptr<Window> focused(CreateTestWindowWithDelegate(&delegate, 123,
gfx::Rect(20, 30, 100, 50), NULL));
StaticFocusClient focus_client(focused.get());
client::SetFocusClient(root_window(), &focus_client);
EXPECT_FALSE(root_window()->Contains(focused.get()));
EXPECT_EQ(focused.get(),
client::GetFocusClient(root_window())->GetFocusedWindow());
host()->dispatcher()->DispatchCancelModeEvent();
EXPECT_EQ(focused.get(),
client::GetFocusClient(root_window())->GetFocusedWindow());
}
// Dispatches a mouse-move event to |target| when it receives a mouse-move
// event.
class DispatchEventHandler : public ui::EventHandler {
public:
explicit DispatchEventHandler(Window* target)
: target_(target),
dispatched_(false) {}
virtual ~DispatchEventHandler() {}
bool dispatched() const { return dispatched_; }
private:
// ui::EventHandler:
virtual void OnMouseEvent(ui::MouseEvent* mouse) OVERRIDE {
if (mouse->type() == ui::ET_MOUSE_MOVED) {
ui::MouseEvent move(ui::ET_MOUSE_MOVED, target_->bounds().CenterPoint(),
target_->bounds().CenterPoint(), ui::EF_NONE, ui::EF_NONE);
ui::EventDispatchDetails details =
target_->GetHost()->dispatcher()->OnEventFromSource(&move);
ASSERT_FALSE(details.dispatcher_destroyed);
EXPECT_FALSE(details.target_destroyed);
EXPECT_EQ(target_, move.target());
dispatched_ = true;
}
ui::EventHandler::OnMouseEvent(mouse);
}
Window* target_;
bool dispatched_;
DISALLOW_COPY_AND_ASSIGN(DispatchEventHandler);
};
// Moves |window| to |root_window| when it receives a mouse-move event.
class MoveWindowHandler : public ui::EventHandler {
public:
MoveWindowHandler(Window* window, Window* root_window)
: window_to_move_(window),
root_window_to_move_to_(root_window) {}
virtual ~MoveWindowHandler() {}
private:
// ui::EventHandler:
virtual void OnMouseEvent(ui::MouseEvent* mouse) OVERRIDE {
if (mouse->type() == ui::ET_MOUSE_MOVED) {
root_window_to_move_to_->AddChild(window_to_move_);
}
ui::EventHandler::OnMouseEvent(mouse);
}
Window* window_to_move_;
Window* root_window_to_move_to_;
DISALLOW_COPY_AND_ASSIGN(MoveWindowHandler);
};
// Tests that nested event dispatch works correctly if the target of the older
// event being dispatched is moved to a different dispatcher in response to an
// event in the inner loop.
TEST_F(WindowEventDispatcherTest, NestedEventDispatchTargetMoved) {
scoped_ptr<WindowTreeHost> second_host(
WindowTreeHost::Create(gfx::Rect(20, 30, 100, 50)));
second_host->InitHost();
Window* second_root = second_host->window();
// Create two windows parented to |root_window()|.
test::TestWindowDelegate delegate;
scoped_ptr<Window> first(CreateTestWindowWithDelegate(&delegate, 123,
gfx::Rect(20, 10, 10, 20), root_window()));
scoped_ptr<Window> second(CreateTestWindowWithDelegate(&delegate, 234,
gfx::Rect(40, 10, 50, 20), root_window()));
// Setup a handler on |first| so that it dispatches an event to |second| when
// |first| receives an event.
DispatchEventHandler dispatch_event(second.get());
first->AddPreTargetHandler(&dispatch_event);
// Setup a handler on |second| so that it moves |first| into |second_root|
// when |second| receives an event.
MoveWindowHandler move_window(first.get(), second_root);
second->AddPreTargetHandler(&move_window);
// Some sanity checks: |first| is inside |root_window()|'s tree.
EXPECT_EQ(root_window(), first->GetRootWindow());
// The two root windows are different.
EXPECT_NE(root_window(), second_root);
// Dispatch an event to |first|.
ui::MouseEvent move(ui::ET_MOUSE_MOVED, first->bounds().CenterPoint(),
first->bounds().CenterPoint(), ui::EF_NONE, ui::EF_NONE);
ui::EventDispatchDetails details =
host()->dispatcher()->OnEventFromSource(&move);
ASSERT_FALSE(details.dispatcher_destroyed);
EXPECT_TRUE(details.target_destroyed);
EXPECT_EQ(first.get(), move.target());
EXPECT_TRUE(dispatch_event.dispatched());
EXPECT_EQ(second_root, first->GetRootWindow());
first->RemovePreTargetHandler(&dispatch_event);
second->RemovePreTargetHandler(&move_window);
}
class AlwaysMouseDownInputStateLookup : public InputStateLookup {
public:
AlwaysMouseDownInputStateLookup() {}
virtual ~AlwaysMouseDownInputStateLookup() {}
private:
// InputStateLookup:
virtual bool IsMouseButtonDown() const OVERRIDE { return true; }
DISALLOW_COPY_AND_ASSIGN(AlwaysMouseDownInputStateLookup);
};
TEST_F(WindowEventDispatcherTest,
CursorVisibilityChangedWhileCaptureWindowInAnotherDispatcher) {
test::EventCountDelegate delegate;
scoped_ptr<Window> window(CreateTestWindowWithDelegate(&delegate, 123,
gfx::Rect(20, 10, 10, 20), root_window()));
window->Show();
scoped_ptr<WindowTreeHost> second_host(
WindowTreeHost::Create(gfx::Rect(20, 30, 100, 50)));
second_host->InitHost();
WindowEventDispatcher* second_dispatcher = second_host->dispatcher();
// Install an InputStateLookup on the Env that always claims that a
// mouse-button is down.
test::EnvTestHelper(Env::GetInstance()).SetInputStateLookup(
scoped_ptr<InputStateLookup>(new AlwaysMouseDownInputStateLookup()));
window->SetCapture();
// Because the mouse button is down, setting the capture on |window| will set
// it as the mouse-move handler for |root_window()|.
EXPECT_EQ(window.get(), host()->dispatcher()->mouse_moved_handler());
// This does not set |window| as the mouse-move handler for the second
// dispatcher.
EXPECT_EQ(NULL, second_dispatcher->mouse_moved_handler());
// However, some capture-client updates the capture in each root-window on a
// capture. Emulate that here. Because of this, the second dispatcher also has
// |window| as the mouse-move handler.
client::CaptureDelegate* second_capture_delegate = second_dispatcher;
second_capture_delegate->UpdateCapture(NULL, window.get());
EXPECT_EQ(window.get(), second_dispatcher->mouse_moved_handler());
// Reset the mouse-event counts for |window|.
delegate.GetMouseMotionCountsAndReset();
// Notify both hosts that the cursor is now hidden. This should send a single
// mouse-exit event to |window|.
host()->OnCursorVisibilityChanged(false);
second_host->OnCursorVisibilityChanged(false);
EXPECT_EQ("0 0 1", delegate.GetMouseMotionCountsAndReset());
}
} // namespace aura