| // Copyright 2013 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 <vector> |
| |
| #include "base/basictypes.h" |
| #include "base/logging.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/time/time.h" |
| #include "content/browser/renderer_host/input/gesture_event_filter.h" |
| #include "content/browser/renderer_host/input/synthetic_web_input_event_builders.h" |
| #include "content/browser/renderer_host/input/touchpad_tap_suppression_controller.h" |
| #include "content/port/common/input_event_ack_state.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/WebKit/public/web/WebInputEvent.h" |
| |
| using base::TimeDelta; |
| using WebKit::WebGestureEvent; |
| using WebKit::WebInputEvent; |
| |
| namespace content { |
| |
| class GestureEventFilterTest : public testing::Test, |
| public GestureEventFilterClient, |
| public TouchpadTapSuppressionControllerClient { |
| public: |
| GestureEventFilterTest() |
| : acked_gesture_event_count_(0), |
| sent_gesture_event_count_(0) {} |
| |
| virtual ~GestureEventFilterTest() {} |
| |
| // testing::Test |
| virtual void SetUp() OVERRIDE { |
| filter_.reset(new GestureEventFilter(this, this)); |
| } |
| |
| virtual void TearDown() OVERRIDE { |
| // Process all pending tasks to avoid leaks. |
| RunUntilIdle(); |
| filter_.reset(); |
| } |
| |
| // GestureEventFilterClient |
| virtual void SendGestureEventImmediately( |
| const GestureEventWithLatencyInfo& event) OVERRIDE { |
| ++sent_gesture_event_count_; |
| if (sync_ack_result_) { |
| scoped_ptr<InputEventAckState> ack_result = sync_ack_result_.Pass(); |
| SendInputEventACK(event.event.type, *ack_result); |
| } |
| } |
| |
| virtual void OnGestureEventAck( |
| const GestureEventWithLatencyInfo& event, |
| InputEventAckState ack_result) OVERRIDE { |
| ++acked_gesture_event_count_; |
| last_acked_event_ = event.event; |
| } |
| |
| // TouchpadTapSuppressionControllerClient |
| virtual void SendMouseEventImmediately( |
| const MouseEventWithLatencyInfo& event) OVERRIDE { |
| } |
| |
| protected: |
| |
| // Returns the result of |GestureEventFilter::ShouldForward()|. |
| bool SimulateGestureEvent(const WebGestureEvent& gesture) { |
| GestureEventWithLatencyInfo gesture_with_latency(gesture, |
| ui::LatencyInfo()); |
| if (filter()->ShouldForward(gesture_with_latency)) { |
| ++sent_gesture_event_count_; |
| return true; |
| } |
| return false; |
| } |
| |
| void SimulateGestureEvent(WebInputEvent::Type type, |
| WebGestureEvent::SourceDevice sourceDevice) { |
| SimulateGestureEvent( |
| SyntheticWebGestureEventBuilder::Build(type, sourceDevice)); |
| } |
| |
| void SimulateGestureScrollUpdateEvent(float dX, float dY, int modifiers) { |
| SimulateGestureEvent( |
| SyntheticWebGestureEventBuilder::BuildScrollUpdate(dX, dY, modifiers)); |
| } |
| |
| void SimulateGesturePinchUpdateEvent(float scale, |
| float anchorX, |
| float anchorY, |
| int modifiers) { |
| SimulateGestureEvent( |
| SyntheticWebGestureEventBuilder::BuildPinchUpdate(scale, |
| anchorX, |
| anchorY, |
| modifiers)); |
| } |
| |
| void SimulateGestureFlingStartEvent( |
| float velocityX, |
| float velocityY, |
| WebGestureEvent::SourceDevice sourceDevice) { |
| SimulateGestureEvent( |
| SyntheticWebGestureEventBuilder::BuildFling(velocityX, |
| velocityY, |
| sourceDevice)); |
| } |
| |
| void SendInputEventACK(WebInputEvent::Type type, |
| InputEventAckState ack) { |
| filter()->ProcessGestureAck(ack, type, ui::LatencyInfo()); |
| } |
| |
| void RunUntilIdle() { |
| base::MessageLoop::current()->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_debounce_interval_time_ms(int ms) { |
| filter()->debounce_interval_time_ms_ = ms; |
| } |
| |
| void set_synchronous_ack(InputEventAckState ack_result) { |
| sync_ack_result_.reset(new InputEventAckState(ack_result)); |
| } |
| |
| unsigned GestureEventLastQueueEventSize() { |
| return filter()->coalesced_gesture_events_.size(); |
| } |
| |
| WebGestureEvent GestureEventSecondFromLastQueueEvent() { |
| return filter()->coalesced_gesture_events_.at( |
| GestureEventLastQueueEventSize() - 2).event; |
| } |
| |
| WebGestureEvent GestureEventLastQueueEvent() { |
| return filter()->coalesced_gesture_events_.back().event; |
| } |
| |
| unsigned GestureEventDebouncingQueueSize() { |
| return filter()->debouncing_deferral_queue_.size(); |
| } |
| |
| WebGestureEvent GestureEventQueueEventAt(int i) { |
| return filter()->coalesced_gesture_events_.at(i).event; |
| } |
| |
| bool ScrollingInProgress() { |
| return filter()->scrolling_in_progress_; |
| } |
| |
| bool FlingInProgress() { |
| return filter()->fling_in_progress_; |
| } |
| |
| bool WillIgnoreNextACK() { |
| return filter()->ignore_next_ack_; |
| } |
| |
| GestureEventFilter* filter() const { |
| return filter_.get(); |
| } |
| |
| private: |
| scoped_ptr<GestureEventFilter> filter_; |
| size_t acked_gesture_event_count_; |
| size_t sent_gesture_event_count_; |
| WebGestureEvent last_acked_event_; |
| scoped_ptr<InputEventAckState> sync_ack_result_; |
| base::MessageLoopForUI message_loop_; |
| }; |
| |
| #if GTEST_HAS_PARAM_TEST |
| // This is for tests that are to be run for all source devices. |
| class GestureEventFilterWithSourceTest |
| : public GestureEventFilterTest, |
| public testing::WithParamInterface<WebGestureEvent::SourceDevice> { |
| }; |
| #endif // GTEST_HAS_PARAM_TEST |
| |
| TEST_F(GestureEventFilterTest, CoalescesScrollGestureEvents) { |
| // Turn off debounce handling for test isolation. |
| set_debounce_interval_time_ms(0); |
| |
| // Test coalescing of only GestureScrollUpdate events. |
| // Simulate gesture events. |
| |
| // Sent. |
| SimulateGestureEvent(WebInputEvent::GestureScrollBegin, |
| WebGestureEvent::Touchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| |
| // Enqueued. |
| SimulateGestureScrollUpdateEvent(8, -5, 0); |
| |
| // Make sure that the queue contains what we think it should. |
| WebGestureEvent merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(2U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| |
| // Coalesced. |
| SimulateGestureScrollUpdateEvent(8, -6, 0); |
| |
| // Check that coalescing updated the correct values. |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(0, merged_event.modifiers); |
| EXPECT_EQ(16, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-11, merged_event.data.scrollUpdate.deltaY); |
| |
| // Enqueued. |
| SimulateGestureScrollUpdateEvent(8, -7, 1); |
| |
| // Check that we didn't wrongly coalesce. |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // Different. |
| SimulateGestureEvent(WebInputEvent::GestureScrollEnd, |
| WebGestureEvent::Touchscreen); |
| |
| // Check that only the first event was sent. |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| |
| // Check that the ACK sends the second message. |
| SendInputEventACK(WebInputEvent::GestureScrollBegin, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| RunUntilIdle(); |
| EXPECT_EQ(1U, GetAndResetAckedGestureEventCount()); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| |
| // Ack for queued coalesced event. |
| SendInputEventACK(WebInputEvent::GestureScrollUpdate, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| RunUntilIdle(); |
| EXPECT_EQ(1U, GetAndResetAckedGestureEventCount()); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| |
| // Ack for queued uncoalesced event. |
| SendInputEventACK(WebInputEvent::GestureScrollUpdate, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| RunUntilIdle(); |
| EXPECT_EQ(1U, GetAndResetAckedGestureEventCount()); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| |
| // After the final ack, the queue should be empty. |
| SendInputEventACK(WebInputEvent::GestureScrollEnd, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| RunUntilIdle(); |
| EXPECT_EQ(1U, GetAndResetAckedGestureEventCount()); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| } |
| |
| TEST_F(GestureEventFilterTest, CoalescesScrollAndPinchEvents) { |
| // Turn off debounce handling for test isolation. |
| set_debounce_interval_time_ms(0); |
| |
| // Test coalescing of only GestureScrollUpdate events. |
| // Simulate gesture events. |
| |
| // Sent. |
| SimulateGestureEvent(WebInputEvent::GestureScrollBegin, |
| WebGestureEvent::Touchscreen); |
| |
| // Sent. |
| SimulateGestureEvent(WebInputEvent::GesturePinchBegin, |
| WebGestureEvent::Touchscreen); |
| |
| // Enqueued. |
| SimulateGestureScrollUpdateEvent(8, -4, 1); |
| |
| // Make sure that the queue contains what we think it should. |
| WebGestureEvent merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(3U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| |
| // Coalesced without changing event order. Note anchor at (60, 60). Anchoring |
| // from a point that is not the origin should still give us the right scroll. |
| SimulateGesturePinchUpdateEvent(1.5, 60, 60, 1); |
| EXPECT_EQ(4U, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(1.5, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(8, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-4, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // Enqueued. |
| SimulateGestureScrollUpdateEvent(6, -3, 1); |
| |
| // Check whether coalesced correctly. |
| EXPECT_EQ(4U, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(1.5, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(12, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-6, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // Enqueued. |
| SimulateGesturePinchUpdateEvent(2, 60, 60, 1); |
| |
| // Check whether coalesced correctly. |
| EXPECT_EQ(4U, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(3, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(12, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-6, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // Enqueued. |
| SimulateGesturePinchUpdateEvent(2, 60, 60, 1); |
| |
| // Check whether coalesced correctly. |
| EXPECT_EQ(4U, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(6, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(12, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-6, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // Check that only the first event was sent. |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| |
| // Check that the ACK sends the second message. |
| SendInputEventACK(WebInputEvent::GestureScrollBegin, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| RunUntilIdle(); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| |
| // Enqueued. |
| SimulateGestureScrollUpdateEvent(6, -6, 1); |
| |
| // Check whether coalesced correctly. |
| EXPECT_EQ(3U, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(6, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(13, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-7, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // At this point ACKs shouldn't be getting ignored. |
| EXPECT_FALSE(WillIgnoreNextACK()); |
| |
| // Check that the ACK sends both scroll and pinch updates. |
| SendInputEventACK(WebInputEvent::GesturePinchBegin, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| RunUntilIdle(); |
| EXPECT_EQ(2U, GetAndResetSentGestureEventCount()); |
| |
| // The next ACK should be getting ignored. |
| EXPECT_TRUE(WillIgnoreNextACK()); |
| |
| // Enqueued. |
| SimulateGestureScrollUpdateEvent(1, -1, 1); |
| |
| // Check whether coalesced correctly. |
| EXPECT_EQ(3U, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(1, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-1, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(1, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(6, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // Enqueued. |
| SimulateGestureScrollUpdateEvent(2, -2, 1); |
| |
| // Coalescing scrolls should still work. |
| EXPECT_EQ(3U, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(3, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-3, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(1, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(6, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // Enqueued. |
| SimulateGesturePinchUpdateEvent(0.5, 60, 60, 1); |
| |
| // Check whether coalesced correctly. |
| EXPECT_EQ(4U, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(0.5, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(3, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-3, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // Check that the ACK gets ignored. |
| SendInputEventACK(WebInputEvent::GestureScrollUpdate, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, last_acked_event().type); |
| RunUntilIdle(); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| // The flag should have been flipped back to false. |
| EXPECT_FALSE(WillIgnoreNextACK()); |
| |
| // Enqueued. |
| SimulateGestureScrollUpdateEvent(2, -2, 2); |
| |
| // Shouldn't coalesce with different modifiers. |
| EXPECT_EQ(4U, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(2, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-2, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(2, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(0.5, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // Check that the ACK sends the next scroll pinch pair. |
| SendInputEventACK(WebInputEvent::GesturePinchUpdate, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, last_acked_event().type); |
| RunUntilIdle(); |
| EXPECT_EQ(2U, GetAndResetSentGestureEventCount()); |
| |
| // Check that the ACK sends the second message. |
| SendInputEventACK(WebInputEvent::GestureScrollUpdate, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, last_acked_event().type); |
| RunUntilIdle(); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| |
| // Check that the ACK sends the second event. |
| SendInputEventACK(WebInputEvent::GesturePinchUpdate, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, last_acked_event().type); |
| RunUntilIdle(); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| |
| // Check that the queue is empty after ACK and no events get sent. |
| SendInputEventACK(WebInputEvent::GestureScrollUpdate, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, last_acked_event().type); |
| RunUntilIdle(); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(0U, GestureEventLastQueueEventSize()); |
| } |
| |
| TEST_F(GestureEventFilterTest, CoalescesMultiplePinchEventSequences) { |
| // Turn off debounce handling for test isolation. |
| set_debounce_interval_time_ms(0); |
| |
| // Simulate a pinch sequence. |
| SimulateGestureEvent(WebInputEvent::GestureScrollBegin, |
| WebGestureEvent::Touchscreen); |
| SimulateGestureEvent(WebInputEvent::GesturePinchBegin, |
| WebGestureEvent::Touchscreen); |
| |
| SimulateGestureScrollUpdateEvent(8, -4, 1); |
| // Make sure that the queue contains what we think it should. |
| WebGestureEvent merged_event = GestureEventLastQueueEvent(); |
| size_t expected_events_in_queue = 3; |
| EXPECT_EQ(expected_events_in_queue, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| |
| // Coalesced without changing event order. Note anchor at (60, 60). Anchoring |
| // from a point that is not the origin should still give us the right scroll. |
| SimulateGesturePinchUpdateEvent(1.5, 60, 60, 1); |
| EXPECT_EQ(++expected_events_in_queue, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(1.5, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(8, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-4, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // Enqueued. |
| SimulateGestureScrollUpdateEvent(6, -3, 1); |
| |
| // Check whether coalesced correctly. |
| EXPECT_EQ(expected_events_in_queue, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(1.5, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(12, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-6, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // Now start another sequence before the previous sequence has been ack'ed. |
| SimulateGestureEvent(WebInputEvent::GesturePinchEnd, |
| WebGestureEvent::Touchscreen); |
| SimulateGestureEvent(WebInputEvent::GestureScrollEnd, |
| WebGestureEvent::Touchscreen); |
| SimulateGestureEvent(WebInputEvent::GestureScrollBegin, |
| WebGestureEvent::Touchscreen); |
| SimulateGestureEvent(WebInputEvent::GesturePinchBegin, |
| WebGestureEvent::Touchscreen); |
| |
| SimulateGestureScrollUpdateEvent(8, -4, 1); |
| // Make sure that the queue contains what we think it should. |
| expected_events_in_queue += 5; |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(expected_events_in_queue, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| |
| // Coalesced without changing event order. Note anchor at (60, 60). Anchoring |
| // from a point that is not the origin should still give us the right scroll. |
| SimulateGesturePinchUpdateEvent(1.5, 30, 30, 1); |
| EXPECT_EQ(++expected_events_in_queue, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(1.5, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(8, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-4, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(1, merged_event.modifiers); |
| |
| // Enqueued. |
| SimulateGestureScrollUpdateEvent(6, -3, 1); |
| |
| // Check whether coalesced correctly. |
| EXPECT_EQ(expected_events_in_queue, GestureEventLastQueueEventSize()); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, merged_event.type); |
| EXPECT_EQ(1.5, merged_event.data.pinchUpdate.scale); |
| EXPECT_EQ(1, merged_event.modifiers); |
| merged_event = GestureEventSecondFromLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| EXPECT_EQ(12, merged_event.data.scrollUpdate.deltaX); |
| EXPECT_EQ(-6, merged_event.data.scrollUpdate.deltaY); |
| EXPECT_EQ(1, merged_event.modifiers); |
| } |
| |
| |
| TEST_F(GestureEventFilterTest, CoalescesScrollAndPinchEventWithSyncAck) { |
| // Turn off debounce handling for test isolation. |
| set_debounce_interval_time_ms(0); |
| |
| // Simulate a pinch sequence. |
| SimulateGestureEvent(WebInputEvent::GestureScrollBegin, |
| WebGestureEvent::Touchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| SimulateGestureEvent(WebInputEvent::GesturePinchBegin, |
| WebGestureEvent::Touchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| |
| SimulateGestureScrollUpdateEvent(8, -4, 1); |
| // Make sure that the queue contains what we think it should. |
| WebGestureEvent merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(3U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, merged_event.type); |
| |
| // Coalesced without changing event order. Note anchor at (60, 60). Anchoring |
| // from a point that is not the origin should still give us the right scroll. |
| SimulateGesturePinchUpdateEvent(1.5, 60, 60, 1); |
| EXPECT_EQ(4U, GestureEventLastQueueEventSize()); |
| |
| SendInputEventACK(WebInputEvent::GestureScrollBegin, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(3U, GestureEventLastQueueEventSize()); |
| |
| // Ack the PinchBegin, and schedule a synchronous ack for GestureScrollUpdate. |
| set_synchronous_ack(INPUT_EVENT_ACK_STATE_CONSUMED); |
| SendInputEventACK(WebInputEvent::GesturePinchBegin, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| |
| // Both GestureScrollUpdate and GesturePinchUpdate should have been sent. |
| EXPECT_EQ(WebInputEvent::GestureScrollUpdate, last_acked_event().type); |
| EXPECT_EQ(1U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(2U, GetAndResetSentGestureEventCount()); |
| |
| // Ack the final GesturePinchUpdate. |
| SendInputEventACK(WebInputEvent::GesturePinchUpdate, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| EXPECT_EQ(WebInputEvent::GesturePinchUpdate, last_acked_event().type); |
| EXPECT_EQ(0U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| } |
| |
| #if GTEST_HAS_PARAM_TEST |
| TEST_P(GestureEventFilterWithSourceTest, GestureFlingCancelsFiltered) { |
| WebGestureEvent::SourceDevice source_device = GetParam(); |
| |
| // Turn off debounce handling for test isolation. |
| set_debounce_interval_time_ms(0); |
| // GFC without previous GFS is dropped. |
| SimulateGestureEvent(WebInputEvent::GestureFlingCancel, source_device); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(0U, GestureEventLastQueueEventSize()); |
| |
| // GFC after previous GFS is dispatched and acked. |
| SimulateGestureFlingStartEvent(0, -10, source_device); |
| EXPECT_TRUE(FlingInProgress()); |
| SendInputEventACK(WebInputEvent::GestureFlingStart, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| RunUntilIdle(); |
| EXPECT_EQ(1U, GetAndResetAckedGestureEventCount()); |
| SimulateGestureEvent(WebInputEvent::GestureFlingCancel, source_device); |
| EXPECT_FALSE(FlingInProgress()); |
| EXPECT_EQ(2U, GetAndResetSentGestureEventCount()); |
| SendInputEventACK(WebInputEvent::GestureFlingCancel, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| RunUntilIdle(); |
| EXPECT_EQ(1U, GetAndResetAckedGestureEventCount()); |
| EXPECT_EQ(0U, GestureEventLastQueueEventSize()); |
| |
| // GFC before previous GFS is acked. |
| SimulateGestureFlingStartEvent(0, -10, source_device); |
| EXPECT_TRUE(FlingInProgress()); |
| SimulateGestureEvent(WebInputEvent::GestureFlingCancel, source_device); |
| EXPECT_FALSE(FlingInProgress()); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventLastQueueEventSize()); |
| |
| // Advance state realistically. |
| SendInputEventACK(WebInputEvent::GestureFlingStart, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| RunUntilIdle(); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| SendInputEventACK(WebInputEvent::GestureFlingCancel, |
| INPUT_EVENT_ACK_STATE_CONSUMED); |
| RunUntilIdle(); |
| EXPECT_EQ(2U, GetAndResetAckedGestureEventCount()); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(0U, GestureEventLastQueueEventSize()); |
| |
| // GFS is added to the queue if another event is pending |
| SimulateGestureScrollUpdateEvent(8, -7, 0); |
| SimulateGestureFlingStartEvent(0, -10, source_device); |
| EXPECT_EQ(2U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| WebGestureEvent merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureFlingStart, merged_event.type); |
| EXPECT_TRUE(FlingInProgress()); |
| EXPECT_EQ(2U, GestureEventLastQueueEventSize()); |
| |
| // GFS in queue means that a GFC is added to the queue |
| SimulateGestureEvent(WebInputEvent::GestureFlingCancel, source_device); |
| merged_event =GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureFlingCancel, merged_event.type); |
| EXPECT_FALSE(FlingInProgress()); |
| EXPECT_EQ(3U, GestureEventLastQueueEventSize()); |
| |
| // Adding a second GFC is dropped. |
| SimulateGestureEvent(WebInputEvent::GestureFlingCancel, source_device); |
| EXPECT_FALSE(FlingInProgress()); |
| EXPECT_EQ(3U, GestureEventLastQueueEventSize()); |
| |
| // Adding another GFS will add it to the queue. |
| SimulateGestureFlingStartEvent(0, -10, source_device); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureFlingStart, merged_event.type); |
| EXPECT_TRUE(FlingInProgress()); |
| EXPECT_EQ(4U, GestureEventLastQueueEventSize()); |
| |
| // GFS in queue means that a GFC is added to the queue |
| SimulateGestureEvent(WebInputEvent::GestureFlingCancel, source_device); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureFlingCancel, merged_event.type); |
| EXPECT_FALSE(FlingInProgress()); |
| EXPECT_EQ(5U, GestureEventLastQueueEventSize()); |
| |
| // Adding another GFC with a GFC already there is dropped. |
| SimulateGestureEvent(WebInputEvent::GestureFlingCancel, source_device); |
| merged_event = GestureEventLastQueueEvent(); |
| EXPECT_EQ(WebInputEvent::GestureFlingCancel, merged_event.type); |
| EXPECT_FALSE(FlingInProgress()); |
| EXPECT_EQ(5U, GestureEventLastQueueEventSize()); |
| } |
| |
| INSTANTIATE_TEST_CASE_P(AllSources, |
| GestureEventFilterWithSourceTest, |
| testing::Values(WebGestureEvent::Touchscreen, |
| WebGestureEvent::Touchpad)); |
| #endif // GTEST_HAS_PARAM_TEST |
| |
| // Test that GestureShowPress and GestureTapDown events don't wait for ACKs. |
| TEST_F(GestureEventFilterTest, GestureShowPressAndTapDownIgnoreAck) { |
| SimulateGestureEvent(WebInputEvent::GestureShowPress, |
| WebGestureEvent::Touchscreen); |
| |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(0U, GestureEventLastQueueEventSize()); |
| |
| SimulateGestureEvent(WebInputEvent::GestureShowPress, |
| WebGestureEvent::Touchscreen); |
| |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(0U, GestureEventLastQueueEventSize()); |
| |
| SimulateGestureEvent(WebInputEvent::GestureShowPress, |
| WebGestureEvent::Touchscreen); |
| |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(0U, GestureEventLastQueueEventSize()); |
| |
| SimulateGestureEvent(WebInputEvent::GestureTapDown, |
| WebGestureEvent::Touchscreen); |
| |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| // The show press and tap down events will have escaped the queue, since they |
| // ignore acks. |
| EXPECT_EQ(0U, GestureEventLastQueueEventSize()); |
| } |
| |
| // Test that GestureShowPress events don't get out of order due to |
| // ignoring their acks. |
| TEST_F(GestureEventFilterTest, GestureShowPressIsInOrder) { |
| SimulateGestureEvent(WebInputEvent::GestureTap, |
| WebGestureEvent::Touchscreen); |
| |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventLastQueueEventSize()); |
| |
| SimulateGestureEvent(WebInputEvent::GestureShowPress, |
| WebGestureEvent::Touchscreen); |
| |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| // The ShowPress, though it ignores ack, is still stuck in the queue |
| // behind the Tap which requires an ack. |
| EXPECT_EQ(2U, GestureEventLastQueueEventSize()); |
| |
| SimulateGestureEvent(WebInputEvent::GestureShowPress, |
| WebGestureEvent::Touchscreen); |
| |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| // ShowPress has entered the queue. |
| EXPECT_EQ(3U, GestureEventLastQueueEventSize()); |
| |
| SendInputEventACK(WebInputEvent::GestureTap, |
| INPUT_EVENT_ACK_STATE_NOT_CONSUMED); |
| |
| // Now that the Tap has been ACKed, the ShowPress events should fire |
| // immediately. |
| EXPECT_EQ(2U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(0U, GestureEventLastQueueEventSize()); |
| } |
| |
| // Test that a GestureScrollEnd | GestureFlingStart are deferred during the |
| // debounce interval, that Scrolls are not and that the deferred events are |
| // sent after that timer fires. |
| TEST_F(GestureEventFilterTest, DebounceDefersFollowingGestureEvents) { |
| set_debounce_interval_time_ms(3); |
| |
| SimulateGestureEvent(WebInputEvent::GestureScrollUpdate, |
| WebGestureEvent::Touchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| SimulateGestureEvent(WebInputEvent::GestureScrollUpdate, |
| WebGestureEvent::Touchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| SimulateGestureEvent(WebInputEvent::GestureScrollEnd, |
| WebGestureEvent::Touchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(1U, GestureEventDebouncingQueueSize()); |
| |
| SimulateGestureFlingStartEvent(0, 10, WebGestureEvent::Touchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(2U, GestureEventDebouncingQueueSize()); |
| |
| SimulateGestureEvent(WebInputEvent::GestureTapDown, |
| WebGestureEvent::Touchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(3U, GestureEventDebouncingQueueSize()); |
| |
| base::MessageLoop::current()->PostDelayedTask( |
| FROM_HERE, |
| base::MessageLoop::QuitClosure(), |
| TimeDelta::FromMilliseconds(5)); |
| base::MessageLoop::current()->Run(); |
| |
| // The deferred events are correctly queued in coalescing queue. |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(5U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_FALSE(ScrollingInProgress()); |
| |
| // Verify that the coalescing queue contains the correct events. |
| WebInputEvent::Type expected[] = { |
| WebInputEvent::GestureScrollUpdate, |
| WebInputEvent::GestureScrollUpdate, |
| WebInputEvent::GestureScrollEnd, |
| WebInputEvent::GestureFlingStart}; |
| |
| for (unsigned i = 0; i < sizeof(expected) / sizeof(WebInputEvent::Type); |
| i++) { |
| WebGestureEvent merged_event = GestureEventQueueEventAt(i); |
| EXPECT_EQ(expected[i], merged_event.type); |
| } |
| } |
| |
| // 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(GestureEventFilterTest, DebounceDropsDeferredEvents) { |
| set_debounce_interval_time_ms(3); |
| EXPECT_FALSE(ScrollingInProgress()); |
| |
| SimulateGestureEvent(WebInputEvent::GestureScrollUpdate, |
| WebGestureEvent::Touchscreen); |
| EXPECT_EQ(1U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| // This event should get discarded. |
| SimulateGestureEvent(WebInputEvent::GestureScrollEnd, |
| WebGestureEvent::Touchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(1U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(1U, GestureEventDebouncingQueueSize()); |
| |
| SimulateGestureEvent(WebInputEvent::GestureScrollUpdate, |
| WebGestureEvent::Touchscreen); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(2U, GestureEventLastQueueEventSize()); |
| EXPECT_EQ(0U, GestureEventDebouncingQueueSize()); |
| EXPECT_TRUE(ScrollingInProgress()); |
| |
| // Verify that the coalescing queue contains the correct events. |
| WebInputEvent::Type expected[] = { |
| WebInputEvent::GestureScrollUpdate, |
| WebInputEvent::GestureScrollUpdate}; |
| |
| for (unsigned i = 0; i < sizeof(expected) / sizeof(WebInputEvent::Type); |
| i++) { |
| WebGestureEvent merged_event = GestureEventQueueEventAt(i); |
| EXPECT_EQ(expected[i], merged_event.type); |
| } |
| } |
| |
| TEST_F(GestureEventFilterTest, DropZeroVelocityFlings) { |
| WebGestureEvent gesture_event; |
| gesture_event.type = WebInputEvent::GestureFlingStart; |
| gesture_event.sourceDevice = WebGestureEvent::Touchpad; |
| gesture_event.data.flingStart.velocityX = 0.f; |
| gesture_event.data.flingStart.velocityY = 0.f; |
| ASSERT_EQ(0U, GetAndResetSentGestureEventCount()); |
| ASSERT_EQ(0U, GestureEventLastQueueEventSize()); |
| EXPECT_FALSE(SimulateGestureEvent(gesture_event)); |
| EXPECT_EQ(0U, GetAndResetSentGestureEventCount()); |
| EXPECT_EQ(0U, GestureEventLastQueueEventSize()); |
| } |
| |
| } // namespace content |