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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/containers/contains.h"
- #include "base/memory/raw_ptr.h"
- #include "base/run_loop.h"
- #include "base/task/single_thread_task_runner.h"
- #include "base/test/bind.h"
- #include "base/test/metrics/histogram_tester.h"
- #include "base/threading/thread_task_runner_handle.h"
- #include "build/build_config.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #include "ui/aura/client/aura_constants.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_targeter.h"
- #include "ui/aura/window_tracker.h"
- #include "ui/base/hit_test.h"
- #include "ui/base/ime/mock_input_method.h"
- #include "ui/base/ui_base_features.h"
- #include "ui/display/screen.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/dom/dom_code.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/geometry/transform.h"
- #include "ui/platform_window/platform_window_init_properties.h"
- #include "ui/wm/core/capture_controller.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(const NonClientDelegate&) = delete;
- NonClientDelegate& operator=(const NonClientDelegate&) = delete;
- ~NonClientDelegate() override = default;
- int non_client_count() const { return non_client_count_; }
- const gfx::Point& non_client_location() const { return non_client_location_; }
- int mouse_event_count() const { return mouse_event_count_; }
- const 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 HTMENU;
- }
- 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_;
- };
- // A simple event handler that consumes key events.
- class ConsumeKeyHandler : public ui::test::TestEventHandler {
- public:
- ConsumeKeyHandler() {}
- ConsumeKeyHandler(const ConsumeKeyHandler&) = delete;
- ConsumeKeyHandler& operator=(const ConsumeKeyHandler&) = delete;
- ~ConsumeKeyHandler() override {}
- // Overridden from ui::EventHandler:
- void OnKeyEvent(ui::KeyEvent* event) override {
- ui::test::TestEventHandler::OnKeyEvent(event);
- event->StopPropagation();
- }
- };
- // ImeKeyEventDispatcher that tracks the events passed to PostIME phase.
- class TestImeKeyEventDispatcher : public ui::ImeKeyEventDispatcher {
- public:
- TestImeKeyEventDispatcher() = default;
- ~TestImeKeyEventDispatcher() override = default;
- // ui::ImeKeyEventDispatcher:
- ui::EventDispatchDetails DispatchKeyEventPostIME(
- ui::KeyEvent* event) override {
- ++dispatched_event_count_;
- return ui::EventDispatchDetails();
- }
- int dispatched_event_count() const { return dispatched_event_count_; }
- private:
- int dispatched_event_count_{0};
- };
- bool IsFocusedWindow(aura::Window* window) {
- return client::GetFocusClient(window)->GetFocusedWindow() == window;
- }
- } // namespace
- using WindowEventDispatcherTest = test::AuraTestBase;
- TEST_F(WindowEventDispatcherTest, OnHostMouseEvent) {
- // Create two non-overlapping windows so we don't have to worry about which
- // is on top.
- std::unique_ptr<NonClientDelegate> delegate1(new NonClientDelegate());
- std::unique_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);
- std::unique_ptr<aura::Window> window1(CreateTestWindowWithDelegate(
- delegate1.get(), -1234, bounds1, root_window()));
- std::unique_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), ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- host()->dispatcher()->RepostEvent(&touch_pressed_event);
- RunAllPendingInMessageLoop();
- EXPECT_TRUE(Env::GetInstance()->is_touch_down());
- }
- // Check that we correctly track whether any touch devices are down in response
- // to touch press and release events with two WindowTreeHost.
- TEST_F(WindowEventDispatcherTest, TouchDownState) {
- std::unique_ptr<WindowTreeHost> second_host = WindowTreeHost::Create(
- ui::PlatformWindowInitProperties{gfx::Rect(20, 30, 100, 50)});
- second_host->InitHost();
- second_host->window()->Show();
- ui::TouchEvent touch_pressed_event1(
- ui::ET_TOUCH_PRESSED, gfx::Point(10, 10), ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 1));
- ui::TouchEvent touch_pressed_event2(
- ui::ET_TOUCH_PRESSED, gfx::Point(10, 10), ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 2));
- ui::TouchEvent touch_released_event1(
- ui::ET_TOUCH_RELEASED, gfx::Point(10, 10), ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 1));
- ui::TouchEvent touch_released_event2(
- ui::ET_TOUCH_RELEASED, gfx::Point(10, 10), ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 2));
- EXPECT_FALSE(Env::GetInstance()->is_touch_down());
- host()->dispatcher()->OnEventFromSource(&touch_pressed_event1);
- EXPECT_TRUE(Env::GetInstance()->is_touch_down());
- second_host->dispatcher()->OnEventFromSource(&touch_pressed_event2);
- EXPECT_TRUE(Env::GetInstance()->is_touch_down());
- host()->dispatcher()->OnEventFromSource(&touch_released_event1);
- EXPECT_TRUE(Env::GetInstance()->is_touch_down());
- second_host->dispatcher()->OnEventFromSource(&touch_released_event2);
- EXPECT_FALSE(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;
- std::unique_ptr<ui::MouseEvent> event;
- // Press the left button.
- event = std::make_unique<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 = std::make_unique<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 = std::make_unique<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 = std::make_unique<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 = std::make_unique<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) {
- std::unique_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->SetId(kLockWindowId);
- Window* non_lock_window =
- test::CreateTestWindowWithBounds(root_window_->bounds(), root_window_);
- non_lock_window->SetId(kNonLockWindowId);
- }
- TestEventClient(const TestEventClient&) = delete;
- TestEventClient& operator=(const TestEventClient&) = delete;
- ~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 GetCanProcessEventsWithinSubtree(const Window* window) const override {
- return lock_ ? window->Contains(GetLockWindow()) ||
- GetLockWindow()->Contains(window)
- : true;
- }
- ui::EventTarget* GetToplevelEventTarget() override { return NULL; }
- raw_ptr<Window> root_window_;
- bool lock_;
- };
- } // namespace
- TEST_F(WindowEventDispatcherTest, GetCanProcessEventsWithinSubtree) {
- 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->SetId(1);
- Window* w2 = test::CreateTestWindowWithBounds(gfx::Rect(30, 30, 20, 20),
- client.GetNonLockWindow());
- w2->SetId(2);
- std::unique_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());
- client.GetNonLockWindow()->RemovePreTargetHandler(&nonlock_ef);
- client.GetLockWindow()->RemovePreTargetHandler(&lock_ef);
- }
- TEST_F(WindowEventDispatcherTest, DontIgnoreUnknownKeys) {
- ui::Event::Properties properties;
- properties.emplace(ui::kPropertyKeyboardImeFlag,
- std::vector<uint8_t>{ui::kPropertyKeyboardImeIgnoredFlag});
- ConsumeKeyHandler handler;
- root_window()->AddPreTargetHandler(&handler);
- ui::KeyEvent unknown_event(ui::ET_KEY_PRESSED, ui::VKEY_UNKNOWN, ui::EF_NONE);
- unknown_event.SetProperties(properties);
- 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);
- known_event.SetProperties(properties);
- 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);
- ime_event.SetProperties(properties);
- 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" */);
- unknown_key_with_char_event.SetProperties(properties);
- 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) {
- std::unique_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);
- ui::Event::Properties properties;
- properties.emplace(ui::kPropertyKeyboardImeFlag,
- std::vector<uint8_t>{ui::kPropertyKeyboardImeIgnoredFlag});
- key_press.SetProperties(properties);
- 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, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- 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, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- 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::TimeTicks now = ui::EventTimeForNow();
- ui::test::TestEventHandler handler;
- root_window()->AddPreTargetHandler(&handler);
- test::TestWindowDelegate delegate;
- std::unique_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);
- }
- TEST_F(WindowEventDispatcherTest, PreDispatchKeyEventToIme) {
- ui::MockInputMethod mock_ime(nullptr);
- TestImeKeyEventDispatcher dispatcher;
- mock_ime.SetImeKeyEventDispatcher(&dispatcher);
- host()->SetSharedInputMethod(&mock_ime);
- ConsumeKeyHandler handler;
- std::unique_ptr<Window> w(CreateNormalWindow(1, root_window(), nullptr));
- w->AddPostTargetHandler(&handler);
- w->Show();
- w->Focus();
- // The dispatched event went to IME before the event target.
- ui::KeyEvent key_press(ui::ET_KEY_PRESSED, ui::VKEY_A, ui::EF_NONE);
- DispatchEventUsingWindowDispatcher(&key_press);
- EXPECT_EQ(0, handler.num_key_events());
- EXPECT_EQ(1, dispatcher.dispatched_event_count());
- // However, for the window with kSkipImeProcessing
- // The event went to the event target at first.
- w->SetProperty(client::kSkipImeProcessing, true);
- ui::KeyEvent key_release(ui::ET_KEY_RELEASED, ui::VKEY_A, ui::EF_NONE);
- DispatchEventUsingWindowDispatcher(&key_release);
- EXPECT_EQ(1, handler.num_key_events());
- EXPECT_EQ(1, dispatcher.dispatched_event_count());
- }
- namespace {
- // ui::EventHandler 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) {}
- EventFilterRecorder(const EventFilterRecorder&) = delete;
- EventFilterRecorder& operator=(const EventFilterRecorder&) = delete;
- 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_ = std::make_unique<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 base::Contains(events_, type);
- }
- bool LastTouchMayCauseScrolling() const {
- return last_touch_may_cause_scrolling_;
- }
- private:
- std::unique_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_;
- };
- // 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 BUILDFLAG(IS_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;
- std::unique_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());
- window->RemovePreTargetHandler(&recorder);
- }
- TEST_F(WindowEventDispatcherTest, MouseMovesHeld) {
- EventFilterRecorder recorder;
- root_window()->AddPreTargetHandler(&recorder);
- test::TestWindowDelegate delegate;
- std::unique_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;
- std::unique_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), ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- 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), ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- ui::TouchEvent touch_moved_event2(
- ui::ET_TOUCH_MOVED, gfx::Point(11, 10), ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- ui::TouchEvent touch_moved_event3(
- ui::ET_TOUCH_MOVED, gfx::Point(12, 10), ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- 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), ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- 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;
- std::unique_ptr<aura::Window> window_first(CreateTestWindowWithDelegate(
- &delegate, 1, gfx::Rect(20, 10, 10, 20), root_window()));
- window_first->Show();
- window_first->AddPreTargetHandler(&recorder_first);
- std::unique_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());
- window_first->RemovePreTargetHandler(&recorder_first);
- window_second->RemovePreTargetHandler(&recorder_second);
- }
- // 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;
- std::unique_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());
- window->RemovePreTargetHandler(&recorder);
- }
- TEST_F(WindowEventDispatcherTest, HeldMovesDispatchMouseExitWhenHidingWindow) {
- EventFilterRecorder recorder;
- test::TestWindowDelegate delegate;
- std::unique_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.
- host()->dispatcher()->HoldPointerMoves();
- window->Hide();
- host()->dispatcher()->ReleasePointerMoves();
- 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());
- window->RemovePreTargetHandler(&recorder);
- }
- // Tests that a mouse-exit event is not synthesized during shutdown.
- TEST_F(WindowEventDispatcherTest, NoMouseExitInShutdown) {
- EventFilterRecorder recorder;
- test::TestWindowDelegate delegate;
- std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
- &delegate, 1, gfx::Rect(10, 10, 50, 50), root_window()));
- window->Show();
- window->AddPreTargetHandler(&recorder);
- // Simulate mouse move into the window.
- const gfx::Point event_location = window->bounds().CenterPoint();
- ui::MouseEvent mouse(ui::ET_MOUSE_MOVED, event_location, event_location,
- ui::EventTimeForNow(), 0, 0);
- DispatchEventUsingWindowDispatcher(&mouse);
- EXPECT_FALSE(recorder.events().empty());
- recorder.Reset();
- // Simulate shutdown.
- host()->dispatcher()->Shutdown();
- // Hiding the window does not generate a mouse-exit event.
- window->Hide();
- EXPECT_TRUE(recorder.events().empty());
- window->RemovePreTargetHandler(&recorder);
- }
- // Verifies that a direct call to ProcessedTouchEvent() does not cause a crash.
- TEST_F(WindowEventDispatcherTest, CallToProcessedTouchEvent) {
- test::TestWindowDelegate delegate;
- std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
- &delegate, 1, gfx::Rect(50, 50, 100, 100), root_window()));
- host()->dispatcher()->ProcessedTouchEvent(
- 0, window.get(), ui::ER_UNHANDLED,
- false /* is_source_touch_event_set_blocking */);
- }
- // 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(const HoldPointerOnScrollHandler&) = delete;
- HoldPointerOnScrollHandler& operator=(const HoldPointerOnScrollHandler&) =
- delete;
- ~HoldPointerOnScrollHandler() override = default;
- 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;
- }
- }
- raw_ptr<WindowEventDispatcher> dispatcher_;
- raw_ptr<EventFilterRecorder> filter_;
- bool holding_moves_;
- };
- // 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);
- std::unique_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::Milliseconds(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());
- window->RemovePreTargetHandler(&handler);
- 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, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- 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),
- ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- 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;
- std::unique_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), ui::EventTimeForNow(), 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::EventTimeForNow(),
- 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;
- std::unique_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::EventTimeForNow(),
- 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 that a mouse-press event is not dispatched during shutdown.
- TEST_F(WindowEventDispatcherTest, DoNotDispatchInShutdown) {
- EventFilterRecorder recorder;
- test::TestWindowDelegate delegate;
- std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
- &delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
- window->Show();
- window->AddPreTargetHandler(&recorder);
- // Simulate shutdown.
- host()->dispatcher()->Shutdown();
- // Attempt to dispatch a mouse press.
- const gfx::Point center = window->bounds().CenterPoint();
- ui::MouseEvent press(ui::ET_MOUSE_PRESSED, center, center,
- ui::EventTimeForNow(), ui::EF_LEFT_MOUSE_BUTTON,
- ui::EF_LEFT_MOUSE_BUTTON);
- DispatchEventUsingWindowDispatcher(&press);
- // Event was not dispatched.
- EXPECT_TRUE(recorder.events().empty());
- window->RemovePreTargetHandler(&recorder);
- }
- #if BUILDFLAG(IS_WIN) && defined(ARCH_CPU_X86)
- #define MAYBE(x) DISABLED_##x
- #else
- #define MAYBE(x) x
- #endif
- // 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.
- // Flaky on 32-bit Windows bots. http://crbug.com/388272
- TEST_F(WindowEventDispatcherTest,
- MAYBE(SynthesizeMouseEventsOnWindowBoundsChanged)) {
- test::TestCursorClient cursor_client(root_window());
- cursor_client.ShowCursor();
- test::TestWindowDelegate delegate;
- std::unique_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), ui::EventTimeForNow(), 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();
- // Update the window bounds so that cursor is back inside the window.
- // The origin of window bounds change so this should trigger a synthetic
- // event.
- gfx::Rect bounds2(5, 5, 100, 100);
- window->SetBounds(bounds2);
- 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();
- // Update the window bounds so that cursor is still inside the window.
- // The origin of window bounds doesn't change so this should not trigger
- // a synthetic event.
- gfx::Rect bounds3(5, 5, 200, 200);
- window->SetBounds(bounds3);
- RunAllPendingInMessageLoop();
- EXPECT_TRUE(recorder.events().empty());
- recorder.Reset();
- // Set window to ignore events.
- window->SetEventTargetingPolicy(EventTargetingPolicy::kNone);
- // Update the window bounds so that cursor is from outside to inside the
- // window. This should not trigger a synthetic event.
- window->SetBounds(bounds1);
- RunAllPendingInMessageLoop();
- EXPECT_TRUE(recorder.events().empty());
- recorder.Reset();
- window->SetBounds(bounds2);
- RunAllPendingInMessageLoop();
- EXPECT_TRUE(recorder.events().empty());
- recorder.Reset();
- // Set window to accept events but invisible.
- window->SetEventTargetingPolicy(EventTargetingPolicy::kTargetAndDescendants);
- 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());
- // Hide the cursor. None of the following scenario should trigger
- // a synthetic event.
- cursor_client.HideCursor();
- window->Show();
- RunAllPendingInMessageLoop();
- EXPECT_TRUE(recorder.events().empty());
- window->SetBounds(bounds2);
- RunAllPendingInMessageLoop();
- EXPECT_TRUE(recorder.events().empty());
- window->SetBounds(bounds1);
- RunAllPendingInMessageLoop();
- EXPECT_TRUE(recorder.events().empty());
- cursor_client.ShowCursor();
- window->SetBounds(bounds2);
- 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();
- window->RemovePreTargetHandler(&recorder);
- }
- // 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);
- std::unique_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,
- ui::EventTimeForNow(), 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());
- // Verify the mouse exit with ui::EF_CURSOR_HIDE flags.
- EXPECT_TRUE(recorder.mouse_event_flags()[0] & ui::EF_CURSOR_HIDE);
- 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);
- std::unique_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,
- ui::EventTimeForNow(), 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::EventTimeForNow(),
- 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) {}
- DeletingEventFilter(const DeletingEventFilter&) = delete;
- DeletingEventFilter& operator=(const DeletingEventFilter&) = delete;
- ~DeletingEventFilter() override = default;
- void Reset(bool delete_during_pre_handle) {
- delete_during_pre_handle_ = delete_during_pre_handle;
- }
- private:
- // Overridden from ui::EventHandler:
- void OnKeyEvent(ui::KeyEvent* event) override {
- if (delete_during_pre_handle_)
- delete event->target();
- }
- void OnMouseEvent(ui::MouseEvent* event) override {
- if (delete_during_pre_handle_)
- delete event->target();
- }
- bool delete_during_pre_handle_;
- };
- class DeletingWindowDelegate : public test::TestWindowDelegate {
- public:
- DeletingWindowDelegate()
- : window_(nullptr), delete_during_handle_(false), got_event_(false) {}
- DeletingWindowDelegate(const DeletingWindowDelegate&) = delete;
- DeletingWindowDelegate& operator=(const DeletingWindowDelegate&) = delete;
- ~DeletingWindowDelegate() override = default;
- 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:
- void OnKeyEvent(ui::KeyEvent* event) override {
- if (delete_during_handle_)
- delete window_;
- got_event_ = true;
- }
- void OnMouseEvent(ui::MouseEvent* event) override {
- if (delete_during_handle_)
- delete window_;
- got_event_ = true;
- }
- raw_ptr<Window> window_;
- bool delete_during_handle_;
- bool got_event_;
- };
- 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.
- std::unique_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);
- ui::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());
- w1->RemovePreTargetHandler(&w1_filter);
- }
- 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() {}
- DetachesParentOnTapDelegate(const DetachesParentOnTapDelegate&) = delete;
- DetachesParentOnTapDelegate& operator=(const DetachesParentOnTapDelegate&) =
- delete;
- ~DetachesParentOnTapDelegate() override {}
- private:
- 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();
- }
- }
- };
- } // 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) {
- std::unique_ptr<Window> w1(CreateNormalWindow(1, root_window(), NULL));
- DetachesParentOnTapDelegate delegate;
- std::unique_ptr<Window> parent(CreateNormalWindow(22, w1.get(), NULL));
- Window* child = CreateNormalWindow(11, parent.get(), &delegate);
- ui::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(ui::test::EventGenerator* generator,
- const gfx::Point tap_location)
- : generator_(generator),
- tap_location_(tap_location),
- gesture_end_count_(0) {}
- NestedGestureDelegate(const NestedGestureDelegate&) = delete;
- NestedGestureDelegate& operator=(const NestedGestureDelegate&) = delete;
- ~NestedGestureDelegate() override {}
- int gesture_end_count() const { return gesture_end_count_; }
- private:
- 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;
- }
- }
- raw_ptr<ui::test::EventGenerator> generator_;
- const gfx::Point tap_location_;
- int gesture_end_count_;
- };
- } // namespace
- // Tests that gesture end is delivered after nested gesture processing.
- TEST_F(WindowEventDispatcherTest, GestureEndDeliveredAfterNestedGestures) {
- NestedGestureDelegate d1(NULL, gfx::Point());
- std::unique_ptr<Window> w1(CreateNormalWindow(1, root_window(), &d1));
- w1->SetBounds(gfx::Rect(0, 0, 100, 100));
- ui::test::EventGenerator nested_generator(root_window(), w1.get());
- NestedGestureDelegate d2(&nested_generator, w1->bounds().CenterPoint());
- std::unique_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.
- ui::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;
- std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
- &delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
- ui::GestureEventDetails details(ui::ET_GESTURE_TAP_DOWN);
- gfx::Point point(10, 10);
- ui::GestureEvent event(point.x(), point.y(), 0, ui::EventTimeForNow(),
- details);
- 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) {}
- RepostGestureEventRecorder(const RepostGestureEventRecorder&) = delete;
- RepostGestureEventRecorder& operator=(const RepostGestureEventRecorder&) =
- delete;
- ~RepostGestureEventRecorder() override {}
- void OnTouchEvent(ui::TouchEvent* event) override {
- if (reposted_ && event->type() == ui::ET_TOUCH_PRESSED) {
- done_cleanup_ = true;
- Reset();
- }
- EventFilterRecorder::OnTouchEvent(event);
- }
- void OnGestureEvent(ui::GestureEvent* event) override {
- EXPECT_EQ(done_cleanup_ ? repost_target_.get() : repost_source_.get(),
- 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.
- void OnMouseEvent(ui::MouseEvent* event) override {}
- private:
- raw_ptr<aura::Window> repost_source_;
- raw_ptr<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_;
- };
- // 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;
- std::unique_ptr<aura::Window> repost_target(CreateTestWindowWithDelegate(
- &delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
- std::unique_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.
- ui::test::EventGenerator repost_generator(root_window(), repost_source.get());
- repost_generator.GestureTapAt(gfx::Point(40, 40));
- RunAllPendingInMessageLoop();
- ui::test::EventGenerator scroll_generator(root_window(), repost_target.get());
- scroll_generator.GestureScrollSequence(
- gfx::Point(80, 80), gfx::Point(100, 100), base::Milliseconds(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);
- }
- // An event filter that deletes the specified object when sees a mouse-exited
- // event.
- template <class T>
- class OnMouseExitDeletingEventFilter : public EventFilterRecorder {
- public:
- explicit OnMouseExitDeletingEventFilter(T* object_to_delete)
- : object_to_delete_(object_to_delete) {}
- OnMouseExitDeletingEventFilter() : object_to_delete_(nullptr) {}
- OnMouseExitDeletingEventFilter(const OnMouseExitDeletingEventFilter&) =
- delete;
- OnMouseExitDeletingEventFilter& operator=(
- const OnMouseExitDeletingEventFilter&) = delete;
- ~OnMouseExitDeletingEventFilter() override {}
- void set_object_to_delete(T* object_to_delete) {
- object_to_delete_ = object_to_delete;
- }
- void set_delete_closure(base::OnceClosure delete_closure) {
- delete_closure_ = std::move(delete_closure);
- }
- private:
- // Overridden from ui::EventFilterRecorder.
- void OnMouseEvent(ui::MouseEvent* event) override {
- EventFilterRecorder::OnMouseEvent(event);
- if (object_to_delete_ && event->type() == ui::ET_MOUSE_EXITED) {
- if (delete_closure_)
- std::move(delete_closure_).Run();
- delete object_to_delete_;
- object_to_delete_ = nullptr;
- }
- }
- // Closure that is run prior to |object_to_delete_| being deleted.
- base::OnceClosure delete_closure_;
- raw_ptr<T> object_to_delete_;
- };
- // 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.
- std::unique_ptr<Window> w1(CreateNormalWindow(1, root_window(), NULL));
- OnMouseExitDeletingEventFilter<Window> w1_filter;
- w1->AddPreTargetHandler(&w1_filter);
- w1->SetBounds(gfx::Rect(20, 20, 60, 60));
- EXPECT_EQ(NULL, host()->dispatcher()->mouse_moved_handler());
- ui::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_object_to_delete(w2);
- // Move mouse 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()));
- w1->RemovePreTargetHandler(&w1_filter);
- }
- // Tests the case where the event dispatcher is deleted during the pre-dispatch
- // phase of dispatching and event.
- TEST_F(WindowEventDispatcherTest, DeleteDispatcherDuringPreDispatch) {
- // Create a host for the window hierarchy. This host will be destroyed later
- // on.
- WindowTreeHost* host =
- WindowTreeHost::Create(
- ui::PlatformWindowInitProperties{gfx::Rect(0, 0, 100, 100)})
- .release();
- host->InitHost();
- host->window()->Show();
- // Create two windows.
- Window* w1 = CreateNormalWindow(1, host->window(), nullptr);
- w1->SetBounds(gfx::Rect(20, 20, 60, 60));
- Window* w2 = CreateNormalWindow(2, host->window(), nullptr);
- w2->SetBounds(gfx::Rect(80, 20, 120, 60));
- EXPECT_EQ(nullptr, host->dispatcher()->mouse_moved_handler());
- ui::test::EventGenerator generator(host->window(), w1);
- // Move mouse over window 1 to set it as the |mouse_moved_handler_| for the
- // root window.
- generator.MoveMouseTo(40, 40);
- EXPECT_EQ(w1, host->dispatcher()->mouse_moved_handler());
- // Set appropriate event filters for the two windows with the window tree host
- // as the object that is to be deleted when a mouse-exited event happens on
- // window 1. The windows will take ownership of the event filters.
- OnMouseExitDeletingEventFilter<WindowTreeHost> w1_filter(host);
- w1->AddPreTargetHandler(&w1_filter);
- EventFilterRecorder w2_filter;
- w2->AddPreTargetHandler(&w2_filter);
- w1_filter.set_delete_closure(
- base::BindLambdaForTesting([&w1_filter, &w2_filter, &w1, &w2]() {
- w1->RemovePreTargetHandler(&w1_filter);
- w2->RemovePreTargetHandler(&w2_filter);
- }));
- // Move mouse over window 2. This should generate a mouse-exited event for
- // window 1 resulting in deletion of window tree host and its event
- // dispatcher. The event dispatching should abort since the dispatcher is
- // destroyed. This test passes if no crash happens.
- // Here we can't use EventGenerator since it expects that the dispatcher is
- // not destroyed at the end of the dispatch.
- ui::MouseEvent mouse_move(ui::ET_MOUSE_MOVED, gfx::Point(20, 20),
- gfx::Point(20, 20), base::TimeTicks(), 0, 0);
- ui::EventDispatchDetails details =
- host->dispatcher()->DispatchEvent(w2, &mouse_move);
- EXPECT_TRUE(details.dispatcher_destroyed);
- // Check events received by the two windows.
- EXPECT_EQ("MOUSE_EXITED", EventTypesToString(w1_filter.events()));
- EXPECT_EQ(std::string(), EventTypesToString(w2_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) {}
- ValidRootDuringDestructionWindowObserver(
- const ValidRootDuringDestructionWindowObserver&) = delete;
- ValidRootDuringDestructionWindowObserver& operator=(
- const ValidRootDuringDestructionWindowObserver&) = delete;
- // WindowObserver:
- void OnWindowDestroying(aura::Window* window) override {
- *got_destroying_ = true;
- *has_valid_root_ = (window->GetRootWindow() != NULL);
- }
- private:
- raw_ptr<bool> got_destroying_;
- raw_ptr<bool> has_valid_root_;
- };
- } // 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);
- {
- std::unique_ptr<WindowTreeHost> host = WindowTreeHost::Create(
- ui::PlatformWindowInitProperties{gfx::Rect(0, 0, 100, 100)});
- host->InitHost();
- host->window()->Show();
- // 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) {}
- DontResetHeldEventWindowDelegate(const DontResetHeldEventWindowDelegate&) =
- delete;
- DontResetHeldEventWindowDelegate& operator=(
- const DontResetHeldEventWindowDelegate&) = delete;
- ~DontResetHeldEventWindowDelegate() override = default;
- int mouse_event_count() const { return mouse_event_count_; }
- // TestWindowDelegate:
- 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::EventTimeForNow(),
- ui::EF_SHIFT_DOWN, 0);
- root_->GetHost()->dispatcher()->RepostEvent(&mouse_event);
- }
- }
- private:
- raw_ptr<Window> root_;
- int mouse_event_count_;
- };
- } // 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());
- std::unique_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::EventTimeForNow(),
- 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), ui::EventTimeForNow(), 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) {}
- DeleteHostFromHeldMouseEventDelegate(
- const DeleteHostFromHeldMouseEventDelegate&) = delete;
- DeleteHostFromHeldMouseEventDelegate& operator=(
- const DeleteHostFromHeldMouseEventDelegate&) = delete;
- ~DeleteHostFromHeldMouseEventDelegate() override = default;
- bool got_mouse_event() const { return got_mouse_event_; }
- bool got_destroy() const { return got_destroy_; }
- // TestWindowDelegate:
- void OnMouseEvent(ui::MouseEvent* event) override {
- if ((event->flags() & ui::EF_SHIFT_DOWN) != 0) {
- got_mouse_event_ = true;
- delete host_;
- }
- }
- void OnWindowDestroyed(Window* window) override { got_destroy_ = true; }
- private:
- raw_ptr<WindowTreeHost> host_;
- bool got_mouse_event_;
- bool got_destroy_;
- };
- } // 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(ui::PlatformWindowInitProperties{
- gfx::Rect(0, 0, 100, 100)})
- .release();
- h2->InitHost();
- h2->window()->Show();
- 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::EventTimeForNow(),
- 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;
- std::unique_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, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- 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;
- std::unique_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, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- DispatchEventUsingWindowDispatcher(&press);
- ui::TouchEvent move(ui::ET_TOUCH_MOVED, position2, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- DispatchEventUsingWindowDispatcher(&move);
- ui::TouchEvent press2(ui::ET_TOUCH_PRESSED, position1, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 1));
- 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 TOUCH_CANCELLED "
- "GESTURE_END";
- events_string = EventTypesToString(recorder.GetAndResetEvents());
- EXPECT_TRUE((expected == events_string) || (expected_ugr == events_string));
- root_window()->RemovePreTargetHandler(&recorder);
- }
- // Places two windows side by side. Starts a pinch in one window, then sets
- // capture to the other window. Ensures that subsequent pinch events are
- // sent to the window which gained capture.
- TEST_F(WindowEventDispatcherTest, TouchpadPinchEventsRetargetOnCapture) {
- EventFilterRecorder recorder1;
- EventFilterRecorder recorder2;
- std::unique_ptr<Window> window1(
- CreateNormalWindow(1, root_window(), nullptr));
- window1->SetBounds(gfx::Rect(0, 0, 40, 40));
- std::unique_ptr<Window> window2(
- CreateNormalWindow(2, root_window(), nullptr));
- window2->SetBounds(gfx::Rect(40, 0, 40, 40));
- window1->AddPreTargetHandler(&recorder1);
- window2->AddPreTargetHandler(&recorder2);
- gfx::Point position1 = window1->bounds().CenterPoint();
- ui::GestureEventDetails begin_details(ui::ET_GESTURE_PINCH_BEGIN);
- begin_details.set_device_type(ui::GestureDeviceType::DEVICE_TOUCHPAD);
- ui::GestureEvent begin(position1.x(), position1.y(), 0, ui::EventTimeForNow(),
- begin_details);
- DispatchEventUsingWindowDispatcher(&begin);
- window2->SetCapture();
- ui::GestureEventDetails update_details(ui::ET_GESTURE_PINCH_UPDATE);
- update_details.set_device_type(ui::GestureDeviceType::DEVICE_TOUCHPAD);
- ui::GestureEvent update(position1.x(), position1.y(), 0,
- ui::EventTimeForNow(), update_details);
- DispatchEventUsingWindowDispatcher(&update);
- ui::GestureEventDetails end_details(ui::ET_GESTURE_PINCH_END);
- end_details.set_device_type(ui::GestureDeviceType::DEVICE_TOUCHPAD);
- ui::GestureEvent end(position1.x(), position1.y(), 0, ui::EventTimeForNow(),
- end_details);
- DispatchEventUsingWindowDispatcher(&end);
- EXPECT_EQ("GESTURE_PINCH_BEGIN", EventTypesToString(recorder1.events()));
- EXPECT_EQ("GESTURE_PINCH_UPDATE GESTURE_PINCH_END",
- EventTypesToString(recorder2.events()));
- window1->RemovePreTargetHandler(&recorder1);
- window2->RemovePreTargetHandler(&recorder2);
- }
- // 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;
- std::unique_ptr<Window> window1(CreateNormalWindow(1, root_window(), NULL));
- window1->SetBounds(gfx::Rect(0, 0, 40, 40));
- std::unique_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, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- DispatchEventUsingWindowDispatcher(&press);
- gfx::Point position2 = window1->bounds().CenterPoint();
- ui::TouchEvent move(ui::ET_TOUCH_MOVED, position2, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- 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());
- window1->RemovePreTargetHandler(&recorder1);
- window2->RemovePreTargetHandler(&recorder2);
- }
- 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() {}
- CaptureWindowTracker(const CaptureWindowTracker&) = delete;
- CaptureWindowTracker& operator=(const CaptureWindowTracker&) = delete;
- ~CaptureWindowTracker() override {}
- 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(); }
- void OnCaptureLost() override { capture_window_.reset(); }
- void OnWindowDestroyed(Window* window) override {
- TestWindowDelegate::OnWindowDestroyed(window);
- capture_window_.reset();
- }
- aura::Window* capture_window() { return capture_window_.get(); }
- private:
- std::unique_ptr<aura::Window> capture_window_;
- };
- } // namespace
- // 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());
- }
- namespace {
- class RunLoopHandler : public ui::EventHandler {
- public:
- explicit RunLoopHandler(aura::Window* target)
- : run_loop_(base::RunLoop::Type::kNestableTasksAllowed), target_(target) {
- target_->AddPreTargetHandler(this);
- }
- RunLoopHandler(const RunLoopHandler&) = delete;
- RunLoopHandler& operator=(const RunLoopHandler&) = delete;
- ~RunLoopHandler() override { target_->RemovePreTargetHandler(this); }
- int num_scroll_updates() const { return num_scroll_updates_; }
- private:
- // ui::EventHandler:
- void OnGestureEvent(ui::GestureEvent* event) override {
- if (event->type() != ui::ET_GESTURE_SCROLL_UPDATE)
- return;
- num_scroll_updates_++;
- if (running_) {
- run_loop_.QuitWhenIdle();
- } else {
- running_ = true;
- run_loop_.Run();
- }
- }
- base::RunLoop run_loop_;
- bool running_ = false;
- int num_scroll_updates_ = 0;
- raw_ptr<aura::Window> target_;
- };
- } // namespace
- TEST_F(WindowEventDispatcherTest, HeldTouchMoveWithRunLoop) {
- RunLoopHandler handler(root_window());
- host()->dispatcher()->HoldPointerMoves();
- gfx::Point point = root_window()->GetBoundsInScreen().CenterPoint();
- ui::TouchEvent ev0(ui::ET_TOUCH_PRESSED, point, ui::EventTimeForNow(),
- ui::PointerDetails());
- DispatchEventUsingWindowDispatcher(&ev0);
- point.Offset(10, 10);
- ui::TouchEvent ev1(ui::ET_TOUCH_MOVED, point, ui::EventTimeForNow(),
- ui::PointerDetails());
- DispatchEventUsingWindowDispatcher(&ev1);
- // The move event is held, so SCROLL_UPDATE does not happen yet.
- EXPECT_EQ(0, handler.num_scroll_updates());
- // ReleasePointerMoves() will post DispatchHeldEvent() asynchronously.
- host()->dispatcher()->ReleasePointerMoves();
- point.Offset(10, 10);
- // Schedule another move event which should cause another SCROLL_UPDATE and
- // quit the run_loop within the handler.
- base::ThreadTaskRunnerHandle::Get()->PostTask(
- FROM_HERE, base::BindLambdaForTesting([&]() {
- ui::TouchEvent ev2(ui::ET_TOUCH_MOVED, point, base::TimeTicks::Now(),
- ui::PointerDetails());
- DispatchEventUsingWindowDispatcher(&ev2);
- }));
- // Wait for both DispatchHeldEvent() and dispatch of |ev2|.
- base::RunLoop(base::RunLoop::Type::kNestableTasksAllowed).RunUntilIdle();
- // Makes sure that the run_loop ran and then ended.
- EXPECT_EQ(2, handler.num_scroll_updates());
- }
- class ExitMessageLoopOnMousePress : public ui::test::TestEventHandler {
- public:
- ExitMessageLoopOnMousePress() {}
- ExitMessageLoopOnMousePress(const ExitMessageLoopOnMousePress&) = delete;
- ExitMessageLoopOnMousePress& operator=(const ExitMessageLoopOnMousePress&) =
- delete;
- ~ExitMessageLoopOnMousePress() override {}
- protected:
- void OnMouseEvent(ui::MouseEvent* event) override {
- ui::test::TestEventHandler::OnMouseEvent(event);
- if (event->type() == ui::ET_MOUSE_PRESSED)
- base::RunLoop::QuitCurrentWhenIdleDeprecated();
- }
- };
- class WindowEventDispatcherTestWithMessageLoop
- : public WindowEventDispatcherTest {
- public:
- WindowEventDispatcherTestWithMessageLoop() {}
- WindowEventDispatcherTestWithMessageLoop(
- const WindowEventDispatcherTestWithMessageLoop&) = delete;
- WindowEventDispatcherTestWithMessageLoop& operator=(
- const WindowEventDispatcherTestWithMessageLoop&) = delete;
- ~WindowEventDispatcherTestWithMessageLoop() override {}
- 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();
- base::RunLoop loop(base::RunLoop::Type::kNestableTasksAllowed);
- // 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.
- std::unique_ptr<ui::MouseEvent> mouse(new ui::MouseEvent(
- ui::ET_MOUSE_PRESSED, gfx::Point(10, 10), gfx::Point(10, 10),
- ui::EventTimeForNow(), ui::EF_NONE, ui::EF_NONE));
- base::ThreadTaskRunnerHandle::Get()->PostTask(
- FROM_HERE,
- base::BindOnce(
- &WindowEventDispatcherTestWithMessageLoop::RepostEventHelper,
- host()->dispatcher(), std::move(mouse)));
- base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
- loop.QuitWhenIdleClosure());
- 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.
- }
- protected:
- void SetUp() override {
- WindowEventDispatcherTest::SetUp();
- window_.reset(CreateNormalWindow(1, root_window(), NULL));
- window_->AddPreTargetHandler(&handler_);
- }
- void TearDown() override {
- window_->RemovePreTargetHandler(&handler_);
- window_.reset();
- WindowEventDispatcherTest::TearDown();
- }
- private:
- // Used to avoid a copying |event| when binding to a closure.
- static void RepostEventHelper(WindowEventDispatcher* dispatcher,
- std::unique_ptr<ui::MouseEvent> event) {
- dispatcher->RepostEvent(event.get());
- }
- std::unique_ptr<Window> window_;
- ExitMessageLoopOnMousePress handler_;
- };
- TEST_F(WindowEventDispatcherTestWithMessageLoop, EventRepostedInNonNestedLoop) {
- ASSERT_FALSE(base::RunLoop::IsRunningOnCurrentThread());
- // Perform the test in a callback, so that it runs after the message-loop
- // starts.
- base::ThreadTaskRunnerHandle::Get()->PostTask(
- FROM_HERE,
- base::BindOnce(&WindowEventDispatcherTestWithMessageLoop::RunTest,
- base::Unretained(this)));
- base::RunLoop().Run();
- }
- class WindowEventDispatcherTestInHighDPI : public WindowEventDispatcherTest {
- public:
- WindowEventDispatcherTestInHighDPI() {}
- ~WindowEventDispatcherTestInHighDPI() override {}
- void DispatchEvent(ui::Event* event) {
- DispatchEventUsingWindowDispatcher(event);
- }
- protected:
- void SetUp() override {
- WindowEventDispatcherTest::SetUp();
- test_screen()->SetDeviceScaleFactor(2.f);
- }
- };
- TEST_F(WindowEventDispatcherTestInHighDPI, EventLocationTransform) {
- test::TestWindowDelegate delegate;
- std::unique_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::EventTimeForNow(), 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::EventTimeForNow(), 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);
- std::unique_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(120, 120), gfx::Point(20, 120),
- base::Milliseconds(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);
- window->RemovePreTargetHandler(&handler);
- }
- // This handler triggers a nested run loop when it receives a right click
- // event, and runs a single callback in the nested run loop.
- class TriggerNestedLoopOnRightMousePress : public ui::test::TestEventHandler {
- public:
- explicit TriggerNestedLoopOnRightMousePress(
- const base::RepeatingClosure& callback)
- : callback_(callback) {}
- TriggerNestedLoopOnRightMousePress(
- const TriggerNestedLoopOnRightMousePress&) = delete;
- TriggerNestedLoopOnRightMousePress& operator=(
- const TriggerNestedLoopOnRightMousePress&) = delete;
- ~TriggerNestedLoopOnRightMousePress() override {}
- const gfx::Point mouse_move_location() const { return mouse_move_location_; }
- private:
- void OnMouseEvent(ui::MouseEvent* mouse) override {
- TestEventHandler::OnMouseEvent(mouse);
- if (mouse->type() == ui::ET_MOUSE_PRESSED &&
- mouse->IsOnlyRightMouseButton()) {
- base::RunLoop run_loop(base::RunLoop::Type::kNestableTasksAllowed);
- scoped_refptr<base::TaskRunner> task_runner =
- base::ThreadTaskRunnerHandle::Get();
- if (!callback_.is_null())
- task_runner->PostTask(FROM_HERE, callback_);
- task_runner->PostTask(FROM_HERE, run_loop.QuitClosure());
- run_loop.Run();
- } else if (mouse->type() == ui::ET_MOUSE_MOVED) {
- mouse_move_location_ = mouse->location();
- }
- }
- base::RepeatingClosure callback_;
- gfx::Point mouse_move_location_;
- };
- // Tests that if dispatching a 'held' event triggers a nested run loop, then
- // the events that are dispatched from the nested run loop are transformed
- // correctly.
- TEST_F(WindowEventDispatcherTestInHighDPI,
- EventsTransformedInRepostedEventTriggeredNestedLoop) {
- std::unique_ptr<Window> window(CreateNormalWindow(1, root_window(), NULL));
- // Make sure the window is visible.
- RunAllPendingInMessageLoop();
- ui::MouseEvent mouse_move(ui::ET_MOUSE_MOVED, gfx::Point(80, 80),
- gfx::Point(80, 80), ui::EventTimeForNow(),
- ui::EF_NONE, ui::EF_NONE);
- base::RepeatingClosure callback_on_right_click = base::BindRepeating(
- base::IgnoreResult(&WindowEventDispatcherTestInHighDPI::DispatchEvent),
- base::Unretained(this), base::Unretained(&mouse_move));
- TriggerNestedLoopOnRightMousePress handler(callback_on_right_click);
- window->AddPreTargetHandler(&handler);
- std::unique_ptr<ui::MouseEvent> mouse(
- new ui::MouseEvent(ui::ET_MOUSE_PRESSED, gfx::Point(10, 10),
- gfx::Point(10, 10), ui::EventTimeForNow(),
- ui::EF_RIGHT_MOUSE_BUTTON, ui::EF_RIGHT_MOUSE_BUTTON));
- host()->dispatcher()->RepostEvent(mouse.get());
- EXPECT_EQ(0, handler.num_mouse_events());
- base::RunLoop run_loop;
- run_loop.RunUntilIdle();
- // The window should receive the mouse-press and the mouse-move events.
- EXPECT_EQ(2, handler.num_mouse_events());
- // The mouse-move event location should be transformed because of the DSF
- // before it reaches the window.
- EXPECT_EQ(gfx::Point(40, 40).ToString(),
- handler.mouse_move_location().ToString());
- EXPECT_EQ(gfx::Point(40, 40).ToString(),
- Env::GetInstance()->last_mouse_location().ToString());
- window->RemovePreTargetHandler(&handler);
- }
- class SelfDestructDelegate : public test::TestWindowDelegate {
- public:
- SelfDestructDelegate() {}
- SelfDestructDelegate(const SelfDestructDelegate&) = delete;
- SelfDestructDelegate& operator=(const SelfDestructDelegate&) = delete;
- ~SelfDestructDelegate() override {}
- void OnMouseEvent(ui::MouseEvent* event) override { window_.reset(); }
- void set_window(std::unique_ptr<aura::Window> window) {
- window_ = std::move(window);
- }
- bool has_window() const { return !!window_.get(); }
- private:
- std::unique_ptr<aura::Window> window_;
- };
- TEST_F(WindowEventDispatcherTest, SynthesizedLocatedEvent) {
- ui::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::EventTimeForNow(), 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;
- std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
- &delegate, 1, gfx::Rect(50, 50, 100, 100), root_window()));
- delegate.set_window(std::move(window));
- EXPECT_TRUE(delegate.has_window());
- generator.MoveMouseTo(100, 100);
- EXPECT_FALSE(delegate.has_window());
- EXPECT_EQ("100,100", Env::GetInstance()->last_mouse_location().ToString());
- }
- // Tests that the window which has capture can get destroyed as a result of
- // ui::ET_MOUSE_CAPTURE_CHANGED event dispatched in
- // WindowEventDispatcher::UpdateCapture without causing a "use after free".
- TEST_F(WindowEventDispatcherTest, DestroyWindowOnCaptureChanged) {
- SelfDestructDelegate delegate;
- std::unique_ptr<aura::Window> window_first(CreateTestWindowWithDelegate(
- &delegate, 1, gfx::Rect(20, 10, 10, 20), root_window()));
- Window* window_first_raw = window_first.get();
- window_first->Show();
- window_first->SetCapture();
- delegate.set_window(std::move(window_first));
- EXPECT_TRUE(delegate.has_window());
- std::unique_ptr<aura::Window> window_second(
- test::CreateTestWindowWithId(2, root_window()));
- window_second->Show();
- client::CaptureDelegate* capture_delegate = host()->dispatcher();
- capture_delegate->UpdateCapture(window_first_raw, window_second.get());
- EXPECT_FALSE(delegate.has_window());
- }
- class StaticFocusClient : public client::FocusClient {
- public:
- explicit StaticFocusClient(Window* focused) : focused_(focused) {}
- StaticFocusClient(const StaticFocusClient&) = delete;
- StaticFocusClient& operator=(const StaticFocusClient&) = delete;
- ~StaticFocusClient() override = default;
- private:
- // client::FocusClient:
- void AddObserver(client::FocusChangeObserver* observer) override {}
- void RemoveObserver(client::FocusChangeObserver* observer) override {}
- void FocusWindow(Window* window) override {}
- void ResetFocusWithinActiveWindow(Window* window) override {}
- Window* GetFocusedWindow() override { return focused_; }
- raw_ptr<Window> focused_;
- };
- // 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;
- std::unique_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) {}
- DispatchEventHandler(const DispatchEventHandler&) = delete;
- DispatchEventHandler& operator=(const DispatchEventHandler&) = delete;
- ~DispatchEventHandler() override = default;
- bool dispatched() const { return dispatched_; }
- private:
- // ui::EventHandler:
- 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::EventTimeForNow(), 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);
- }
- raw_ptr<Window> target_;
- bool dispatched_;
- };
- // 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) {}
- MoveWindowHandler(const MoveWindowHandler&) = delete;
- MoveWindowHandler& operator=(const MoveWindowHandler&) = delete;
- ~MoveWindowHandler() override = default;
- private:
- // ui::EventHandler:
- 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);
- }
- raw_ptr<Window> window_to_move_;
- raw_ptr<Window> root_window_to_move_to_;
- };
- // 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) {
- std::unique_ptr<WindowTreeHost> second_host = WindowTreeHost::Create(
- ui::PlatformWindowInitProperties{gfx::Rect(20, 30, 100, 50)});
- second_host->InitHost();
- second_host->window()->Show();
- Window* second_root = second_host->window();
- // Create two windows parented to |root_window()|.
- test::TestWindowDelegate delegate;
- std::unique_ptr<Window> first(CreateTestWindowWithDelegate(
- &delegate, 123, gfx::Rect(20, 10, 10, 20), root_window()));
- std::unique_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::EventTimeForNow(),
- 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() {}
- AlwaysMouseDownInputStateLookup(const AlwaysMouseDownInputStateLookup&) =
- delete;
- AlwaysMouseDownInputStateLookup& operator=(
- const AlwaysMouseDownInputStateLookup&) = delete;
- ~AlwaysMouseDownInputStateLookup() override {}
- private:
- // InputStateLookup:
- bool IsMouseButtonDown() const override { return true; }
- };
- TEST_F(WindowEventDispatcherTest,
- CursorVisibilityChangedWhileCaptureWindowInAnotherDispatcher) {
- test::EventCountDelegate delegate;
- std::unique_ptr<Window> window(CreateTestWindowWithDelegate(
- &delegate, 123, gfx::Rect(20, 10, 10, 20), root_window()));
- window->Show();
- std::unique_ptr<WindowTreeHost> second_host = WindowTreeHost::Create(
- ui::PlatformWindowInitProperties{gfx::Rect(20, 30, 100, 50)});
- second_host->InitHost();
- second_host->window()->Show();
- 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(std::unique_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());
- }
- TEST_F(WindowEventDispatcherTest,
- RedirectedEventToDifferentDispatcherLocation) {
- std::unique_ptr<WindowTreeHost> second_host = WindowTreeHost::Create(
- ui::PlatformWindowInitProperties{gfx::Rect(20, 30, 100, 50)});
- second_host->InitHost();
- second_host->window()->Show();
- // AuraTestBase sets up a DefaultCaptureClient for root_window(), but that
- // can't deal with capture between different root windows. Instead we need to
- // use the wm::CaptureController instance that also exists, which can handle
- // this situation. Exchange the capture clients and put the old one back at
- // the end.
- client::CaptureClient* const old_capture_client =
- client::GetCaptureClient(root_window());
- {
- wm::ScopedCaptureClient scoped_capture_first(root_window());
- wm::ScopedCaptureClient scoped_capture_second(second_host->window());
- test::EventCountDelegate delegate;
- std::unique_ptr<Window> window_first(CreateTestWindowWithDelegate(
- &delegate, 123, gfx::Rect(20, 10, 10, 20), root_window()));
- window_first->Show();
- std::unique_ptr<Window> window_second(CreateTestWindowWithDelegate(
- &delegate, 12, gfx::Rect(10, 10, 20, 30), second_host->window()));
- window_second->Show();
- window_second->SetCapture();
- // Send an event to the first host. Make sure it goes to |window_second| in
- // |second_host| instead (since it has capture).
- EventFilterRecorder recorder_first;
- window_first->AddPreTargetHandler(&recorder_first);
- EventFilterRecorder recorder_second;
- window_second->AddPreTargetHandler(&recorder_second);
- const gfx::Point event_location(25, 15);
- ui::MouseEvent mouse(ui::ET_MOUSE_PRESSED, event_location, event_location,
- ui::EventTimeForNow(), ui::EF_LEFT_MOUSE_BUTTON,
- ui::EF_LEFT_MOUSE_BUTTON);
- DispatchEventUsingWindowDispatcher(&mouse);
- EXPECT_TRUE(recorder_first.events().empty());
- ASSERT_EQ(1u, recorder_second.events().size());
- EXPECT_EQ(ui::ET_MOUSE_PRESSED, recorder_second.events()[0]);
- EXPECT_EQ(event_location.ToString(),
- recorder_second.mouse_locations()[0].ToString());
- window_first->RemovePreTargetHandler(&recorder_first);
- window_second->RemovePreTargetHandler(&recorder_second);
- }
- client::SetCaptureClient(root_window(), old_capture_client);
- }
- class AsyncWindowDelegate : public test::TestWindowDelegate {
- public:
- AsyncWindowDelegate(WindowEventDispatcher* dispatcher)
- : dispatcher_(dispatcher), window_(nullptr) {}
- AsyncWindowDelegate(const AsyncWindowDelegate&) = delete;
- AsyncWindowDelegate& operator=(const AsyncWindowDelegate&) = delete;
- void set_window(Window* window) { window_ = window; }
- private:
- void OnTouchEvent(ui::TouchEvent* event) override {
- // Convert touch event back to root window coordinates.
- event->ConvertLocationToTarget(window_.get(), window_->GetRootWindow());
- event->DisableSynchronousHandling();
- dispatcher_->ProcessedTouchEvent(
- event->unique_event_id(), window_, ui::ER_UNHANDLED,
- false /* is_source_touch_event_set_blocking */);
- event->StopPropagation();
- }
- raw_ptr<WindowEventDispatcher> dispatcher_;
- raw_ptr<Window> window_;
- };
- // Tests that gesture events dispatched through the asynchronous flow have
- // co-ordinates in the right co-ordinate space.
- TEST_F(WindowEventDispatcherTest, GestureEventCoordinates) {
- const float kX = 67.3f;
- const float kY = 97.8f;
- const int kWindowOffset = 50;
- EventFilterRecorder recorder;
- root_window()->AddPreTargetHandler(&recorder);
- AsyncWindowDelegate delegate(host()->dispatcher());
- HoldPointerOnScrollHandler handler(host()->dispatcher(), &recorder);
- std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
- &delegate, 1, gfx::Rect(kWindowOffset, kWindowOffset, 100, 100),
- root_window()));
- window->AddPreTargetHandler(&handler);
- delegate.set_window(window.get());
- ui::TouchEvent touch_pressed_event(
- ui::ET_TOUCH_PRESSED, gfx::Point(), ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- touch_pressed_event.set_location_f(gfx::PointF(kX, kY));
- touch_pressed_event.set_root_location_f(gfx::PointF(kX, kY));
- DispatchEventUsingWindowDispatcher(&touch_pressed_event);
- ASSERT_EQ(1u, recorder.touch_locations().size());
- EXPECT_EQ(gfx::Point(kX - kWindowOffset, kY - kWindowOffset).ToString(),
- recorder.touch_locations()[0].ToString());
- ASSERT_EQ(2u, recorder.gesture_locations().size());
- EXPECT_EQ(gfx::Point(kX - kWindowOffset, kY - kWindowOffset).ToString(),
- recorder.gesture_locations()[0].ToString());
- root_window()->RemovePreTargetHandler(&recorder);
- window->RemovePreTargetHandler(&handler);
- }
- // Tests that a scroll-generating touch-event is marked as such.
- TEST_F(WindowEventDispatcherTest, TouchMovesMarkedWhenCausingScroll) {
- EventFilterRecorder recorder;
- root_window()->AddPreTargetHandler(&recorder);
- const gfx::Point location(20, 20);
- ui::TouchEvent press(ui::ET_TOUCH_PRESSED, location, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- DispatchEventUsingWindowDispatcher(&press);
- EXPECT_FALSE(recorder.LastTouchMayCauseScrolling());
- EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_TOUCH_PRESSED));
- recorder.Reset();
- ui::TouchEvent move(ui::ET_TOUCH_MOVED, location + gfx::Vector2d(100, 100),
- ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- DispatchEventUsingWindowDispatcher(&move);
- EXPECT_TRUE(recorder.LastTouchMayCauseScrolling());
- 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));
- recorder.Reset();
- ui::TouchEvent move2(ui::ET_TOUCH_MOVED, location + gfx::Vector2d(200, 200),
- ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- DispatchEventUsingWindowDispatcher(&move2);
- EXPECT_TRUE(recorder.LastTouchMayCauseScrolling());
- EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_TOUCH_MOVED));
- EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_GESTURE_SCROLL_UPDATE));
- recorder.Reset();
- // Delay the release to avoid fling generation.
- ui::TouchEvent release(ui::ET_TOUCH_RELEASED,
- location + gfx::Vector2d(200, 200),
- ui::EventTimeForNow() + base::Seconds(1),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- DispatchEventUsingWindowDispatcher(&release);
- EXPECT_TRUE(recorder.LastTouchMayCauseScrolling());
- EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_TOUCH_RELEASED));
- EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_GESTURE_SCROLL_END));
- root_window()->RemovePreTargetHandler(&recorder);
- }
- // OnCursorMovedToRootLocation() is sometimes called instead of
- // WindowTreeHost::MoveCursorTo() when the cursor did not move but the
- // cursor's position in root coordinates has changed (e.g. when the displays's
- // scale factor changed). Test that hover effects are properly updated.
- TEST_F(WindowEventDispatcherTest, OnCursorMovedToRootLocationUpdatesHover) {
- WindowEventDispatcher* dispatcher = host()->dispatcher();
- test::TestCursorClient cursor_client(root_window());
- cursor_client.ShowCursor();
- std::unique_ptr<Window> w(CreateNormalWindow(1, root_window(), nullptr));
- w->SetBounds(gfx::Rect(20, 20, 20, 20));
- w->Show();
- // Move the cursor off of |w|.
- dispatcher->OnCursorMovedToRootLocation(gfx::Point(100, 100));
- EventFilterRecorder recorder;
- w->AddPreTargetHandler(&recorder);
- dispatcher->OnCursorMovedToRootLocation(gfx::Point(22, 22));
- RunAllPendingInMessageLoop();
- EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_MOUSE_ENTERED));
- recorder.Reset();
- // The cursor should not be over |w| after changing the device scale factor to
- // 2x. A ET_MOUSE_EXITED event should have been sent to |w|.
- test_screen()->SetDeviceScaleFactor(2.f);
- dispatcher->OnCursorMovedToRootLocation(gfx::Point(11, 11));
- RunAllPendingInMessageLoop();
- EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_MOUSE_EXITED));
- recorder.Reset();
- // Hide the cursor, synthetic event will not be sent.
- cursor_client.HideCursor();
- dispatcher->OnCursorMovedToRootLocation(gfx::Point(22, 22));
- RunAllPendingInMessageLoop();
- EXPECT_TRUE(recorder.events().empty());
- // Cursor is hidden when locked, but synthetic move event still be dispatched.
- cursor_client.LockCursor();
- dispatcher->OnCursorMovedToRootLocation(gfx::Point(33, 33));
- RunAllPendingInMessageLoop();
- EXPECT_TRUE(recorder.HasReceivedEvent(ui::ET_MOUSE_MOVED));
- recorder.Reset();
- w->RemovePreTargetHandler(&recorder);
- }
- TEST_F(WindowEventDispatcherTest, TouchEventWithScaledWindow) {
- WindowEventDispatcher* dispatcher = host()->dispatcher();
- EventFilterRecorder root_recorder;
- root_window()->AddPreTargetHandler(&root_recorder);
- test::TestWindowDelegate delegate;
- std::unique_ptr<Window> child(
- CreateNormalWindow(1, root_window(), &delegate));
- const gfx::Point child_position(-10, -10);
- const gfx::Rect& root_bounds = root_window()->bounds();
- gfx::Rect child_bounds(child_position,
- gfx::ScaleToCeiledSize(root_bounds.size(), 2));
- child->SetBounds(child_bounds);
- gfx::Transform transform;
- transform.Scale(0.5, 0.5);
- child->SetTransform(transform);
- EventFilterRecorder child_recorder;
- child->AddPreTargetHandler(&child_recorder);
- std::string expected_events =
- "TOUCH_PRESSED GESTURE_BEGIN GESTURE_TAP_DOWN TOUCH_RELEASED "
- "GESTURE_SHOW_PRESS GESTURE_TAP GESTURE_END";
- {
- // Touch events are outside of the root window, but inside of the child
- // window.
- const gfx::Point touch_position(-5, -5);
- ui::TouchEvent pressed_event(
- ui::ET_TOUCH_PRESSED, touch_position, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- ui::TouchEvent released_event(
- ui::ET_TOUCH_RELEASED, touch_position, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- dispatcher->OnEventFromSource(&pressed_event);
- dispatcher->OnEventFromSource(&released_event);
- EXPECT_EQ(expected_events, EventTypesToString(root_recorder.events()));
- EXPECT_EQ("", EventTypesToString(child_recorder.events()));
- root_recorder.Reset();
- child_recorder.Reset();
- }
- {
- // |touch_position| value is in the bounds of both the root window and the
- // child window.
- const gfx::Point touch_position(5, 5);
- ui::TouchEvent pressed_event(
- ui::ET_TOUCH_PRESSED, touch_position, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- ui::TouchEvent released_event(
- ui::ET_TOUCH_RELEASED, touch_position, ui::EventTimeForNow(),
- ui::PointerDetails(ui::EventPointerType::kTouch, 0));
- dispatcher->OnEventFromSource(&pressed_event);
- dispatcher->OnEventFromSource(&released_event);
- EXPECT_EQ(expected_events, EventTypesToString(root_recorder.events()));
- EXPECT_EQ(expected_events, EventTypesToString(child_recorder.events()));
- root_recorder.Reset();
- child_recorder.Reset();
- }
- child->RemovePreTargetHandler(&child_recorder);
- root_window()->RemovePreTargetHandler(&root_recorder);
- }
- // A test case for crbug.com/1099985
- TEST_F(WindowEventDispatcherTest, TargetIsDestroyedByHeldEvent) {
- EventFilterRecorder recorder;
- root_window()->AddPreTargetHandler(&recorder);
- // Create a window which should be a target of all MouseEvent in this tests.
- test::TestWindowDelegate delegate;
- std::unique_ptr<aura::Window> mouse_target(CreateTestWindowWithDelegate(
- &delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
- // Create a window which has a focus, so should receive all KeyEvents.
- ConsumeKeyHandler key_handler;
- // Not using std::unique_ptr<> intentionally
- aura::Window* focused(test::CreateTestWindowWithBounds(
- gfx::Rect(200, 200, 100, 100), root_window()));
- focused->SetProperty(client::kSkipImeProcessing, true);
- focused->AddPostTargetHandler(&key_handler);
- focused->Show();
- focused->Focus();
- // Make sure that the key event goes to the |focused| window.
- ui::KeyEvent key_press(ui::ET_KEY_PRESSED, ui::VKEY_A, ui::EF_NONE);
- DispatchEventUsingWindowDispatcher(&key_press);
- EXPECT_EQ(1, key_handler.num_key_events());
- key_handler.Reset();
- ui::MouseEvent mouse_move_event(ui::ET_MOUSE_MOVED, gfx::Point(1, 1),
- gfx::Point(1, 1), ui::EventTimeForNow(), 0,
- 0);
- DispatchEventUsingWindowDispatcher(&mouse_move_event);
- // Discard MOUSE_ENTER.
- recorder.Reset();
- host()->dispatcher()->HoldPointerMoves();
- // The dragged event should not be sent to the |target| window because
- // WindowEventDispatcher is holding it now.
- 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());
- // Create a event handler which destroys the |focused| window when it sees any
- // mouse event.
- class Handler : public ui::test::TestEventHandler {
- public:
- explicit Handler(aura::Window* focused) : focused_(focused) {}
- ~Handler() override = default;
- Handler(const Handler&) = delete;
- Handler& operator=(const Handler&) = delete;
- // Overridden from ui::EventHandler:
- void OnMouseEvent(ui::MouseEvent* event) override {
- ui::test::TestEventHandler::OnMouseEvent(event);
- LOG(ERROR) << "|focused_| is being deleted";
- // !!!
- delete focused_;
- }
- private:
- raw_ptr<aura::Window> focused_;
- };
- Handler mouse_handler(focused);
- mouse_target->AddPostTargetHandler(&mouse_handler);
- // Sending a key event should stop the hold and the mouse event goes to the
- // |target| window.
- // The key event should not be sent to the handler because the focused window
- // is destroyed before the event is dispatched.
- ui::KeyEvent key_press2(ui::ET_KEY_PRESSED, ui::VKEY_A, ui::EF_NONE);
- DispatchEventUsingWindowDispatcher(&key_press2);
- EXPECT_EQ(1u, recorder.events().size());
- EXPECT_EQ(0, key_handler.num_key_events());
- EXPECT_EQ(1, mouse_handler.num_mouse_events());
- root_window()->RemovePreTargetHandler(&recorder);
- }
- } // namespace aura
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