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window_event_dispatcher_unittest.cc
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// 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 <stddef.h>
#include <utility>
#include <vector>
#include "base/bind.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "base/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/aura/client/capture_client.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/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/gesture_detection/gesture_configuration.h"
#include "ui/events/keycodes/keyboard_codes.h"
#include "ui/events/test/event_generator.h"
#include "ui/events/test/test_event_handler.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/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) {
}
~NonClientDelegate() override {}
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_; }
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;
}
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() {}
~ConsumeKeyHandler() override {}
// Overridden from ui::EventHandler:
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::EventTimeForNow(), 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 and touch
// press.
EXPECT_FALSE(Env::GetInstance()->IsMouseButtonDown());
gfx::Point point(10, 10);
ui::MouseEvent event(ui::ET_MOUSE_PRESSED, point, point,
ui::EventTimeForNow(), ui::EF_LEFT_MOUSE_BUTTON,
ui::EF_LEFT_MOUSE_BUTTON);
host()->dispatcher()->RepostEvent(&event);
RunAllPendingInMessageLoop();
EXPECT_TRUE(Env::GetInstance()->IsMouseButtonDown());
ui::TouchEvent touch_pressed_event(
ui::ET_TOUCH_PRESSED, gfx::Point(10, 10), 0, ui::EventTimeForNow());
host()->dispatcher()->RepostEvent(&touch_pressed_event);
RunAllPendingInMessageLoop();
EXPECT_TRUE(Env::GetInstance()->is_touch_down());
}
// 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::EventTimeForNow(),
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::EventTimeForNow(),
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::EventTimeForNow(),
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::EventTimeForNow(), 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::EventTimeForNow(),
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,
ui::EventTimeForNow(), 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);
}
~TestEventClient() override { 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:
bool CanProcessEventsWithinSubtree(const Window* window) const override {
return lock_ ?
window->Contains(GetLockWindow()) || GetLockWindow()->Contains(window) :
true;
}
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.
ui::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.
ui::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.
ui::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, DontIgnoreUnknownKeys) {
ConsumeKeyHandler handler;
root_window()->AddPreTargetHandler(&handler);
ui::KeyEvent unknown_event(ui::ET_KEY_PRESSED, ui::VKEY_UNKNOWN, ui::EF_NONE);
DispatchEventUsingWindowDispatcher(&unknown_event);
EXPECT_TRUE(unknown_event.handled());
EXPECT_EQ(1, handler.num_key_events());
handler.Reset();
ui::KeyEvent known_event(ui::ET_KEY_PRESSED, ui::VKEY_A, ui::EF_NONE);
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);
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,
ui::EF_NONE);
unknown_key_with_char_event.set_character(0x00e4 /* "ä" */);
DispatchEventUsingWindowDispatcher(&unknown_key_with_char_event);
EXPECT_TRUE(unknown_key_with_char_event.handled());
EXPECT_EQ(1, handler.num_key_events());
root_window()->RemovePreTargetHandler(&handler);
}
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, ui::EF_NONE);
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());
root_window()->RemovePreTargetHandler(&handler);
}
// 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),
last_touch_may_cause_scrolling_(false) {
}
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 EventLocations& gesture_locations() const { return gesture_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();
gesture_locations_.clear();
mouse_event_flags_.clear();
last_touch_may_cause_scrolling_ = false;
}
// ui::EventHandler overrides:
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;
}
}
void OnMouseEvent(ui::MouseEvent* event) override {
mouse_locations_.push_back(event->location());
mouse_event_flags_.push_back(event->flags());
}
void OnTouchEvent(ui::TouchEvent* event) override {
touch_locations_.push_back(event->location());
last_touch_may_cause_scrolling_ = event->may_cause_scrolling();
}
void OnGestureEvent(ui::GestureEvent* event) override {
gesture_locations_.push_back(event->location());
}
bool HasReceivedEvent(ui::EventType type) {
return std::find(events_.begin(), events_.end(), type) != events_.end();
}
bool LastTouchMayCauseScrolling() const {
return last_touch_may_cause_scrolling_;
}
private:
scoped_ptr<base::RunLoop> run_loop_;
ui::EventType wait_until_event_;
Events events_;
EventLocations mouse_locations_;
EventLocations touch_locations_;
EventLocations gesture_locations_;
EventFlags mouse_event_flags_;
bool last_touch_may_cause_scrolling_;
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
#if defined(OS_WIN) && defined(ARCH_CPU_X86)
#define MAYBE(x) DISABLED_##x
#else
#define MAYBE(x) x
#endif
// Verifies a repost mouse event targets the window with capture (if there is
// one).
// Flaky on 32-bit Windows bots. http://crbug.com/388290
TEST_F(WindowEventDispatcherTest, MAYBE(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::EventTimeForNow(),
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), ui::EventTimeForNow(), 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), ui::EventTimeForNow(), 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), ui::EventTimeForNow(), 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. Note that here (and
// elsewhere in this test) we re-define each event prior to dispatch so that
// it has the correct state (phase, handled, target, etc.).
mouse_dragged_event =
ui::MouseEvent(ui::ET_MOUSE_DRAGGED, gfx::Point(0, 0), gfx::Point(0, 0),
ui::EventTimeForNow(), 0, 0);
ui::MouseEvent mouse_dragged_event2(ui::ET_MOUSE_DRAGGED, gfx::Point(10, 10),
gfx::Point(10, 10), ui::EventTimeForNow(),
0, 0);
DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
DispatchEventUsingWindowDispatcher(&mouse_dragged_event2);
EXPECT_TRUE(recorder.events().empty());
mouse_pressed_event =
ui::MouseEvent(ui::ET_MOUSE_PRESSED, gfx::Point(0, 0), gfx::Point(0, 0),
ui::EventTimeForNow(), 0, 0);
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.
mouse_dragged_event =
ui::MouseEvent(ui::ET_MOUSE_DRAGGED, gfx::Point(0, 0), gfx::Point(0, 0),
ui::EventTimeForNow(), 0, 0);
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();
mouse_dragged_event =
ui::MouseEvent(ui::ET_MOUSE_DRAGGED, gfx::Point(0, 0), gfx::Point(0, 0),
ui::EventTimeForNow(), 0, 0);
DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
host()->dispatcher()->ReleasePointerMoves();
mouse_pressed_event =
ui::MouseEvent(ui::ET_MOUSE_PRESSED, gfx::Point(0, 0), gfx::Point(0, 0),
ui::EventTimeForNow(), 0, 0);
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();
mouse_dragged_event =
ui::MouseEvent(ui::ET_MOUSE_DRAGGED, gfx::Point(0, 0), gfx::Point(0, 0),
ui::EventTimeForNow(), 0, 0);
DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
host()->dispatcher()->ReleasePointerMoves();
mouse_dragged_event2 =
ui::MouseEvent(ui::ET_MOUSE_DRAGGED, gfx::Point(10, 10),
gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
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.
mouse_dragged_event =
ui::MouseEvent(ui::ET_MOUSE_DRAGGED, gfx::Point(0, 0), gfx::Point(0, 0),
ui::EventTimeForNow(), 0, 0);
mouse_dragged_event2 =
ui::MouseEvent(ui::ET_MOUSE_DRAGGED, gfx::Point(10, 10),
gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
ui::MouseEvent mouse_dragged_event3(ui::ET_MOUSE_DRAGGED, gfx::Point(28, 28),
gfx::Point(28, 28), ui::EventTimeForNow(),
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()));
// 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, gfx::Point(10, 10), 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, gfx::Point(10, 10), 0, ui::EventTimeForNow());
ui::TouchEvent touch_moved_event2(
ui::ET_TOUCH_MOVED, gfx::Point(11, 10), 0, ui::EventTimeForNow());
ui::TouchEvent touch_moved_event3(
ui::ET_TOUCH_MOVED, gfx::Point(12, 10), 0, ui::EventTimeForNow());
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, gfx::Point(10, 10), 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());
root_window()->RemovePreTargetHandler(&recorder);
}
// Tests that mouse move event has a right location
// when there isn't the target window
TEST_F(WindowEventDispatcherTest, MouseEventWithoutTargetWindow) {
EventFilterRecorder recorder_first;
EventFilterRecorder recorder_second;
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> window_first(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(20, 10, 10, 20), root_window()));
window_first->Show();
window_first->AddPreTargetHandler(&recorder_first);
scoped_ptr<aura::Window> window_second(CreateTestWindowWithDelegate(
&delegate, 2, gfx::Rect(20, 30, 10, 20), root_window()));
window_second->Show();
window_second->AddPreTargetHandler(&recorder_second);
const gfx::Point event_location(22, 33);
ui::MouseEvent mouse(ui::ET_MOUSE_MOVED, event_location, event_location,
ui::EventTimeForNow(), 0, 0);
DispatchEventUsingWindowDispatcher(&mouse);
EXPECT_TRUE(recorder_first.events().empty());
EXPECT_EQ("MOUSE_ENTERED MOUSE_MOVED",
EventTypesToString(recorder_second.events()));
ASSERT_EQ(2u, recorder_second.mouse_locations().size());
EXPECT_EQ(gfx::Point(2, 3).ToString(),
recorder_second.mouse_locations()[0].ToString());
}
// Tests that a mouse exit is dispatched to the last mouse location when
// the window is hiddden.
TEST_F(WindowEventDispatcherTest, DispatchMouseExitWhenHidingWindow) {
EventFilterRecorder recorder;
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(10, 10, 50, 50), root_window()));
window->Show();
window->AddPreTargetHandler(&recorder);
// Dispatch a mouse move event into the window.
const gfx::Point event_location(22, 33);
ui::MouseEvent mouse(ui::ET_MOUSE_MOVED, event_location, event_location,
ui::EventTimeForNow(), 0, 0);
DispatchEventUsingWindowDispatcher(&mouse);
EXPECT_FALSE(recorder.events().empty());
recorder.Reset();
// Hide the window and verify a mouse exit event's location.
window->Hide();
EXPECT_FALSE(recorder.events().empty());
EXPECT_EQ("MOUSE_EXITED", EventTypesToString(recorder.events()));
ASSERT_EQ(1u, recorder.mouse_locations().size());
EXPECT_EQ(gfx::Point(12, 23).ToString(),
recorder.mouse_locations()[0].ToString());
}
// Verifies that a direct call to ProcessedTouchEvent() does not cause a crash.
TEST_F(WindowEventDispatcherTest, CallToProcessedTouchEvent) {
test::TestWindowDelegate delegate;
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
&delegate, 1, gfx::Rect(50, 50, 100, 100), root_window()));
host()->dispatcher()->ProcessedTouchEvent(0, window.get(), ui::ER_UNHANDLED);
}
// 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) {}
~HoldPointerOnScrollHandler() override {}
private:
// ui::test::TestEventHandler:
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);
ui::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());
root_window()->RemovePreTargetHandler(&recorder);
}
// 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);
}