| // Copyright 2014 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 "content/browser/renderer_host/input/gesture_event_queue.h" |
| |
| #include <stddef.h> |
| |
| #include <memory> |
| #include <utility> |
| #include <vector> |
| |
| #include "base/location.h" |
| #include "base/logging.h" |
| #include "base/run_loop.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/test/scoped_feature_list.h" |
| #include "base/test/scoped_task_environment.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "base/time/time.h" |
| #include "content/browser/renderer_host/input/input_router_config_helper.h" |
| #include "content/browser/renderer_host/input/touchpad_tap_suppression_controller.h" |
| #include "content/common/input/synthetic_web_input_event_builders.h" |
| #include "content/public/common/input_event_ack_state.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/public/platform/web_input_event.h" |
| #include "ui/events/blink/blink_features.h" |
| |
| using base::TimeDelta; |
| using blink::WebGestureDevice; |
| using blink::WebGestureEvent; |
| using blink::WebInputEvent; |
| |
| namespace content { |
| |
| class GestureEventQueueTest : public testing::Test, |
| public GestureEventQueueClient, |
| public FlingControllerEventSenderClient, |
| public FlingControllerSchedulerClient { |
| public: |
| GestureEventQueueTest() |
| : scoped_task_environment_( |
| base::test::ScopedTaskEnvironment::MainThreadType::UI), |
| acked_gesture_event_count_(0), |
| sent_gesture_event_count_(0) {} |
| |
| ~GestureEventQueueTest() override {} |
| |
| // testing::Test |
| void SetUp() override { |
| queue_.reset(new GestureEventQueue(this, this, this, DefaultConfig())); |
| } |
| |
| void TearDown() override { |
| // Process all pending tasks to avoid leaks. |
| RunUntilIdle(); |
| queue_.reset(); |
| } |
| |
| void SetUpForTapSuppression(int max_cancel_to_down_time_ms) { |
| GestureEventQueue::Config gesture_config; |
| gesture_config.fling_config.touchscreen_tap_suppression_config.enabled = |
| true; |
| gesture_config.fling_config.touchscreen_tap_suppression_config |
| .max_cancel_to_down_time = |
| base::TimeDelta::FromMilliseconds(max_cancel_to_down_time_ms); |
| queue_.reset(new GestureEventQueue(this, this, this, gesture_config)); |
| } |
| |
| // GestureEventQueueClient |
| void SendGestureEventImmediately( |
| const GestureEventWithLatencyInfo& event) override { |
| ++sent_gesture_event_count_; |
| if (sync_ack_result_) { |
| std::unique_ptr<InputEventAckState> ack_result = |
| std::move(sync_ack_result_); |
| SendInputEventACK(event.event.GetType(), *ack_result); |
| } |
| } |
| |
| void OnGestureEventAck(const GestureEventWithLatencyInfo& event, |
| InputEventAckSource ack_source, |
| InputEventAckState ack_result) override { |
| ++acked_gesture_event_count_; |
| last_acked_event_ = event.event; |
| if (sync_followup_event_) { |
| auto sync_followup_event = std::move(sync_followup_event_); |
| SimulateGestureEvent(*sync_followup_event); |
| } |
| } |
| |
| // FlingControllerEventSenderClient |
| void SendGeneratedWheelEvent( |
| const MouseWheelEventWithLatencyInfo& wheel_event) override {} |
| void SendGeneratedGestureScrollEvents( |
| const GestureEventWithLatencyInfo& gesture_event) override {} |
| |
| // FlingControllerSchedulerClient |
| void ScheduleFlingProgress( |
| base::WeakPtr<FlingController> fling_controller) override {} |
| void DidStopFlingingOnBrowser( |
| base::WeakPtr<FlingController> fling_controller) override {} |
| bool NeedsBeginFrameForFlingProgress() override { return false; } |
| |
| protected: |
| static GestureEventQueue::Config DefaultConfig() { |
| return GestureEventQueue::Config(); |
| } |
| |
| void SetUpForDebounce(int interval_ms) { |
| queue()->set_debounce_interval_time_ms_for_testing(interval_ms); |
| } |
| |
| void SimulateGestureEvent(const WebGestureEvent& gesture) { |
| GestureEventWithLatencyInfo gesture_event(gesture); |
| if (!queue()->PassToFlingController(gesture_event)) { |
| queue()->DebounceOrForwardEvent(gesture_event); |
| } |
| } |
| |
| void SimulateGestureEvent(WebInputEvent::Type type, |
| WebGestureDevice sourceDevice) { |
| SimulateGestureEvent( |
| SyntheticWebGestureEventBuilder::Build(type, sourceDevice)); |
| } |
| |
| void SimulateGSEGeneratedByFlingController(WebGestureDevice sourceDevice) { |
| WebGestureEvent gesture_scroll_end = SyntheticWebGestureEventBuilder::Build( |
| WebInputEvent::kGestureScrollEnd, sourceDevice); |
| gesture_scroll_end.data.scroll_end.generated_by_fling_controller = true; |
| SimulateGestureEvent(gesture_scroll_end); |
| } |
| |
| void SimulateGestureScrollUpdateEvent(float dX, float dY, int modifiers) { |
| SimulateGestureEvent(SyntheticWebGestureEventBuilder::BuildScrollUpdate( |
| dX, dY, modifiers, blink::WebGestureDevice::kTouchscreen)); |
| } |
| |
| void SimulateGesturePinchUpdateEvent(float scale, |
| float anchorX, |
| float anchorY, |
| int modifiers) { |
| SimulateGestureEvent(SyntheticWebGestureEventBuilder::BuildPinchUpdate( |
| scale, anchorX, anchorY, modifiers, |
| blink::WebGestureDevice::kTouchscreen)); |
| } |
| |
| void SimulateGestureFlingStartEvent(float velocityX, |
| float velocityY, |
| WebGestureDevice sourceDevice) { |
| SimulateGestureEvent( |
| SyntheticWebGestureEventBuilder::BuildFling(velocityX, |
| velocityY, |
| sourceDevice)); |
| } |
| |
| void SendInputEventACK(WebInputEvent::Type type, |
| InputEventAckState ack) { |
| queue()->ProcessGestureAck(InputEventAckSource::COMPOSITOR_THREAD, ack, |
| type, ui::LatencyInfo()); |
| } |
| |
| void RunUntilIdle() { base::RunLoop().RunUntilIdle(); } |
| |
| size_t GetAndResetSentGestureEventCount() { |
| size_t count = sent_gesture_event_count_; |
| sent_gesture_event_count_ = 0; |
| return count; |
| } |
| |
| size_t GetAndResetAckedGestureEventCount() { |
| size_t count = acked_gesture_event_count_; |
| acked_gesture_event_count_ = 0; |
| return count; |
| } |
| |
| const WebGestureEvent& last_acked_event() const { |
| return last_acked_event_; |
| } |
| |
| void set_synchronous_ack(InputEventAckState ack_result) { |
| sync_ack_result_.reset(new InputEventAckState(ack_result)); |
| } |
| |
| void set_sync_followup_event(WebInputEvent::Type type, |
| WebGestureDevice sourceDevice) { |
| sync_followup_event_.reset(new WebGestureEvent( |
| SyntheticWebGestureEventBuilder::Build(type, sourceDevice))); |
| } |
| |
| unsigned GestureEventQueueSize() { |
| return queue()->sent_events_awaiting_ack_.size(); |
| } |
| |
| WebGestureEvent GestureEventSecondFromLastQueueEvent() { |
| return queue() |
| ->sent_events_awaiting_ack_.at(GestureEventQueueSize() - 2) |
| .event; |
| } |
| |
| WebGestureEvent GestureEventLastQueueEvent() { |
| return queue()->sent_events_awaiting_ack_.back().event; |
| } |
| |
| unsigned GestureEventDebouncingQueueSize() { |
| return queue()->debouncing_deferral_queue_.size(); |
| } |
| |
| WebGestureEvent GestureEventQueueEventAt(int i) { |
| return queue()->sent_events_awaiting_ack_.at(i).event; |
| } |
| |
| bool ScrollingInProgress() { |
| return queue()->scrolling_in_progress_; |
| } |
| |
| bool FlingInProgress() { return queue()->FlingInProgressForTest(); } |
| bool FlingCancellationIsDeferred() { |
| return queue()->FlingCancellationIsDeferred(); |
| } |
| |
| GestureEventQueue* queue() const { |
| return queue_.get(); |
| } |
| |
| private: |
| base::test::ScopedTaskEnvironment scoped_task_environment_; |
| std::unique_ptr<GestureEventQueue> queue_; |
| size_t acked_gesture_event_count_; |
| size_t sent_gesture_event_count_; |
| WebGestureEvent last_acked_event_; |
| std::unique_ptr<InputEventAckState> sync_ack_result_; |
| std::unique_ptr<WebGestureEvent> sync_followup_event_; |
| base::test::ScopedFeatureList feature_list_; |
| }; |
| |
| // This is for tests that are to be run for all source devices. |
| class GestureEventQueueWithSourceTest |
| : public GestureEventQueueTest, |
| public testing::WithParamInterface<WebGestureDevice> {}; |
| |
| class GestureEventQueueWithCompositorEventQueueTest |
| : public GestureEventQueueTest {}; |
| |
| // Tests a single event with an synchronous ack. |
| TEST_F(GestureEventQueueTest, SimpleSyncAck) { |
| set_synchronous_ack(INPUT_EVENT_ACK_STATE_CONSUMED); |
| SimulateGestureEvent(WebInputEvent::kGestureTapDown, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(0U, GestureEventQueueSize()); |
| EXPECT_EQ(1U, GetAndResetAckedGestureEventCount()); |
| } |
| |
| // Tests an event with an synchronous ack which enqueues an additional event. |
| TEST_F(GestureEventQueueTest, SyncAckQueuesEvent) { |
| std::unique_ptr<WebGestureEvent> queued_event; |
| set_synchronous_ack(INPUT_EVENT_ACK_STATE_CONSUMED); |
| set_sync_followup_event(WebInputEvent::kGestureShowPress, |
| blink::WebGestureDevice::kTouchscreen); |
| // This event enqueues the show press event. |
| SimulateGestureEvent(WebInputEvent::kGestureTapDown, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(2U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventQueueSize()); |
| EXPECT_EQ(1U, GetAndResetAckedGestureEventCount()); |
| |
| SendInputEventACK(WebInputEvent::kGestureShowPress, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(0U, GestureEventQueueSize()); |
| EXPECT_EQ(1U, GetAndResetAckedGestureEventCount()); |
| } |
| |
| INSTANTIATE_TEST_SUITE_P(AllSources, |
| GestureEventQueueWithSourceTest, |
| testing::Values(blink::WebGestureDevice::kTouchscreen, |
| blink::WebGestureDevice::kTouchpad)); |
| |
| // Test that a GestureScrollEnd is deferred during the debounce interval, |
| // that Scrolls are not and that the deferred events are sent after that |
| // timer fires. |
| TEST_F(GestureEventQueueTest, DebounceDefersFollowingGestureEvents) { |
| SetUpForDebounce(3); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureScrollUpdate, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureScrollUpdate, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureScrollEnd, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventQueueSize()); |
| EXPECT_EQ(1U, GestureEventDebouncingQueueSize()); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureTapDown, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventQueueSize()); |
| EXPECT_EQ(2U, GestureEventDebouncingQueueSize()); |
| |
| base::RunLoop run_loop; |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, run_loop.QuitClosure(), TimeDelta::FromMilliseconds(5)); |
| run_loop.Run(); |
| |
| // The deferred events are correctly queued in coalescing queue. |
| EXPECT_EQ(2U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(4U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_FALSE(ScrollingInProgress()); |
| |
| // Verify that the coalescing queue contains the correct events. |
| WebInputEvent::Type expected[] = {WebInputEvent::kGestureScrollUpdate, |
| WebInputEvent::kGestureScrollUpdate, |
| WebInputEvent::kGestureScrollEnd}; |
| |
| for (unsigned i = 0; i < sizeof(expected) / sizeof(WebInputEvent::Type); |
| i++) { |
| WebGestureEvent merged_event = GestureEventQueueEventAt(i); |
| EXPECT_EQ(expected[i], merged_event.GetType()); |
| } |
| } |
| |
| // Tests that GSE events generated by the fling controller are forwarded to the |
| // renderer instead of getting pushed back to the deboucing_deferral_queue_. In |
| // this case the following GSB won't get deferred either. |
| TEST_F(GestureEventQueueTest, |
| DebounceDoesNotDeferGSEsGeneratedByFlingController) { |
| SetUpForDebounce(3); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureScrollUpdate, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| SimulateGSEGeneratedByFlingController(blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_FALSE(ScrollingInProgress()); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureScrollBegin, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(3U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| |
| // Verify that the coalescing queue contains the correct events. |
| WebInputEvent::Type expected[] = {WebInputEvent::kGestureScrollUpdate, |
| WebInputEvent::kGestureScrollEnd, |
| WebInputEvent::kGestureScrollBegin}; |
| |
| for (unsigned i = 0; i < sizeof(expected) / sizeof(WebInputEvent::Type); |
| i++) { |
| WebGestureEvent merged_event = GestureEventQueueEventAt(i); |
| EXPECT_EQ(expected[i], merged_event.GetType()); |
| } |
| } |
| |
| TEST_F(GestureEventQueueTest, DebounceDefersGSBIfPreviousGSEDeferred) { |
| SetUpForDebounce(3); |
| SimulateGestureEvent(WebInputEvent::kGestureScrollUpdate, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureScrollEnd, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventQueueSize()); |
| EXPECT_EQ(1U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureScrollBegin, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventQueueSize()); |
| EXPECT_EQ(2U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| } |
| |
| TEST_F(GestureEventQueueTest, DebounceDefersGSBIfPreviousGSEDropped) { |
| SetUpForDebounce(3); |
| SimulateGestureEvent(WebInputEvent::kGestureScrollUpdate, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureScrollEnd, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventQueueSize()); |
| EXPECT_EQ(1U, GestureEventDebouncingQueueSize()); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureScrollUpdate, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureScrollBegin, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventQueueSize()); |
| EXPECT_EQ(1U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| // Verify that the coalescing queue contains the correct events. |
| WebInputEvent::Type expected[] = {WebInputEvent::kGestureScrollUpdate, |
| WebInputEvent::kGestureScrollUpdate}; |
| |
| for (unsigned i = 0; i < sizeof(expected) / sizeof(WebInputEvent::Type); |
| i++) { |
| WebGestureEvent merged_event = GestureEventQueueEventAt(i); |
| EXPECT_EQ(expected[i], merged_event.GetType()); |
| } |
| } |
| |
| // Test that non-scroll events are deferred while scrolling during the debounce |
| // interval and are discarded if a GestureScrollUpdate event arrives before the |
| // interval end. |
| TEST_F(GestureEventQueueTest, DebounceDropsDeferredEvents) { |
| SetUpForDebounce(3); |
| |
| EXPECT_FALSE(ScrollingInProgress()); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureScrollUpdate, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| // This event should get discarded. |
| SimulateGestureEvent(WebInputEvent::kGestureScrollEnd, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventQueueSize()); |
| EXPECT_EQ(1U, GestureEventDebouncingQueueSize()); |
| |
| SimulateGestureEvent(WebInputEvent::kGestureScrollUpdate, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| // Verify that the coalescing queue contains the correct events. |
| WebInputEvent::Type expected[] = {WebInputEvent::kGestureScrollUpdate, |
| WebInputEvent::kGestureScrollUpdate}; |
| |
| for (unsigned i = 0; i < sizeof(expected) / sizeof(WebInputEvent::Type); |
| i++) { |
| WebGestureEvent merged_event = GestureEventQueueEventAt(i); |
| EXPECT_EQ(expected[i], merged_event.GetType()); |
| } |
| } |
| |
| // Test that the fling cancelling tap down event and its following tap get |
| // suppressed when tap suppression is enabled. |
| TEST_F(GestureEventQueueTest, TapGetsSuppressedAfterTapDownCancellsFling) { |
| SetUpForTapSuppression(400); |
| // The velocity of the event must be large enough to make sure that the fling |
| // is still active when the tap down happens. |
| SimulateGestureFlingStartEvent(0, -1000, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_TRUE(FlingInProgress()); |
| // The fling start event is not sent to the renderer. |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(0U, GetAndResetAckedGestureEventCount()); |
| RunUntilIdle(); |
| |
| // Simulate a fling cancel event before sending a gesture tap down event. The |
| // fling cancel event is not sent to the renderer. |
| SimulateGestureEvent(WebInputEvent::kGestureFlingCancel, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_TRUE(FlingCancellationIsDeferred()); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(0U, GestureEventQueueSize()); |
| RunUntilIdle(); |
| |
| // Simulate a fling cancelling tap down. The tap down must get suppressed |
| // since the fling cancel event is processed by the fling controller. |
| SimulateGestureEvent(WebInputEvent::kGestureTapDown, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(0U, GestureEventQueueSize()); |
| |
| // The tap event must get suppressed since its corresponding tap down event |
| // is suppressed. |
| SimulateGestureEvent(WebInputEvent::kGestureTap, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(0U, GestureEventQueueSize()); |
| } |
| |
| TEST_F(GestureEventQueueWithCompositorEventQueueTest, |
| PreserveOrderWithOutOfOrderAck) { |
| // Simulate a scroll sequence, events should be ACKed in original order. |
| SimulateGestureEvent(WebInputEvent::kGestureScrollBegin, |
| blink::WebGestureDevice::kTouchscreen); |
| SimulateGestureScrollUpdateEvent(8, -4, 1); |
| SimulateGestureEvent(WebInputEvent::kGestureScrollEnd, |
| blink::WebGestureDevice::kTouchscreen); |
| |
| // All events should have been sent. |
| EXPECT_EQ(3U, GetAndResetSentGestureEventCount()); |
| |
| // Simulate GSB ACK. |
| SendInputEventACK(WebInputEvent::kGestureScrollBegin, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| EXPECT_EQ(WebInputEvent::kGestureScrollBegin, last_acked_event().GetType()); |
| EXPECT_EQ(2U, GestureEventQueueSize()); |
| |
| // Simulate GSE ACK first since it's usually dispatched non-blocking. |
| SendInputEventACK(WebInputEvent::kGestureScrollEnd, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| // GSE ACK will be cached in GestureEventQueue since we haven't ACKed GSU yet. |
| EXPECT_EQ(WebInputEvent::kGestureScrollBegin, last_acked_event().GetType()); |
| EXPECT_EQ(2U, GestureEventQueueSize()); |
| |
| // Simulate GSU ACK. |
| SendInputEventACK(WebInputEvent::kGestureScrollUpdate, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| // Both ACKs should be released in order. |
| EXPECT_EQ(WebInputEvent::kGestureScrollEnd, last_acked_event().GetType()); |
| EXPECT_EQ(0U, GestureEventQueueSize()); |
| } |
| |
| TEST_F(GestureEventQueueWithCompositorEventQueueTest, |
| MultipleGesturesInFlight) { |
| // Simulate a pinch sequence, events should be forwarded immediately. |
| SimulateGestureEvent(WebInputEvent::kGestureScrollBegin, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| SimulateGestureEvent(WebInputEvent::kGesturePinchBegin, |
| blink::WebGestureDevice::kTouchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| |
| SimulateGestureScrollUpdateEvent(8, -4, 1); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(3U, GestureEventQueueSize()); |
| EXPECT_EQ(WebInputEvent::kGestureScrollUpdate, |
| GestureEventLastQueueEvent().GetType()); |
| |
| // Simulate 2 pinch update events. |
| SimulateGesturePinchUpdateEvent(1.5, 60, 60, 1); |
| EXPECT_EQ(4U, GestureEventQueueSize()); |
| SimulateGesturePinchUpdateEvent(1.3, 60, 60, 1); |
| // Events should be forwarded immediately instead of being coalesced. |
| EXPECT_EQ(5U, GestureEventQueueSize()); |
| EXPECT_EQ(2U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(WebInputEvent::kGesturePinchUpdate, |
| GestureEventLastQueueEvent().GetType()); |
| |
| SendInputEventACK(WebInputEvent::kGestureScrollBegin, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| EXPECT_EQ(4U, GestureEventQueueSize()); |
| |
| SendInputEventACK(WebInputEvent::kGesturePinchBegin, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| SendInputEventACK(WebInputEvent::kGestureScrollUpdate, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| |
| // Both GestureScrollUpdate and GesturePinchUpdate should have been sent. |
| EXPECT_EQ(WebInputEvent::kGestureScrollUpdate, last_acked_event().GetType()); |
| EXPECT_EQ(2U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| |
| // Ack the last 2 GesturePinchUpdate events. |
| SendInputEventACK(WebInputEvent::kGesturePinchUpdate, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| SendInputEventACK(WebInputEvent::kGesturePinchUpdate, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| EXPECT_EQ(WebInputEvent::kGesturePinchUpdate, last_acked_event().GetType()); |
| EXPECT_EQ(0U, GestureEventQueueSize()); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| } |
| |
| } // namespace content |
