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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_layers_APZTestCommon_h
+#define mozilla_layers_APZTestCommon_h
+
+/**
+ * Defines a set of mock classes and utility functions/classes for
+ * writing APZ gtests.
+ */
+
+#include "gtest/gtest.h"
+#include "gmock/gmock.h"
+
+#include "mozilla/Attributes.h"
+#include "mozilla/layers/GeckoContentController.h"
+#include "mozilla/layers/CompositorBridgeParent.h"
+#include "mozilla/layers/APZThreadUtils.h"
+#include "mozilla/layers/MatrixMessage.h"
+#include "mozilla/StaticPrefs_layout.h"
+#include "mozilla/TypedEnumBits.h"
+#include "mozilla/UniquePtr.h"
+#include "apz/src/APZCTreeManager.h"
+#include "apz/src/AsyncPanZoomController.h"
+#include "apz/src/HitTestingTreeNode.h"
+#include "base/task.h"
+#include "gfxPlatform.h"
+#include "TestWRScrollData.h"
+#include "UnitTransforms.h"
+
+using namespace mozilla;
+using namespace mozilla::gfx;
+using namespace mozilla::layers;
+using ::testing::_;
+using ::testing::AtLeast;
+using ::testing::AtMost;
+using ::testing::InSequence;
+using ::testing::MockFunction;
+using ::testing::NiceMock;
+typedef mozilla::layers::GeckoContentController::TapType TapType;
+
+inline TimeStamp GetStartupTime() {
+ static TimeStamp sStartupTime = TimeStamp::Now();
+ return sStartupTime;
+}
+
+inline uint32_t MillisecondsSinceStartup(TimeStamp aTime) {
+ return (aTime - GetStartupTime()).ToMilliseconds();
+}
+
+// Some helper functions for constructing input event objects suitable to be
+// passed either to an APZC (which expects an transformed point), or to an APZTM
+// (which expects an untransformed point). We handle both cases by setting both
+// the transformed and untransformed fields to the same value.
+inline SingleTouchData CreateSingleTouchData(int32_t aIdentifier,
+ const ScreenIntPoint& aPoint) {
+ SingleTouchData touch(aIdentifier, aPoint, ScreenSize(0, 0), 0, 0);
+ touch.mLocalScreenPoint = ParentLayerPoint(aPoint.x, aPoint.y);
+ return touch;
+}
+
+// Convenience wrapper for CreateSingleTouchData() that takes loose coordinates.
+inline SingleTouchData CreateSingleTouchData(int32_t aIdentifier,
+ ScreenIntCoord aX,
+ ScreenIntCoord aY) {
+ return CreateSingleTouchData(aIdentifier, ScreenIntPoint(aX, aY));
+}
+
+inline PinchGestureInput CreatePinchGestureInput(
+ PinchGestureInput::PinchGestureType aType, const ScreenPoint& aFocus,
+ float aCurrentSpan, float aPreviousSpan, TimeStamp timestamp) {
+ ParentLayerPoint localFocus(aFocus.x, aFocus.y);
+ PinchGestureInput result(aType, PinchGestureInput::UNKNOWN, timestamp,
+ ExternalPoint(0, 0), aFocus, aCurrentSpan,
+ aPreviousSpan, 0);
+ return result;
+}
+
+template <class SetArg, class Storage>
+class ScopedGfxSetting {
+ public:
+ ScopedGfxSetting(const std::function<SetArg(void)>& aGetPrefFunc,
+ const std::function<void(SetArg)>& aSetPrefFunc, SetArg aVal)
+ : mSetPrefFunc(aSetPrefFunc) {
+ mOldVal = aGetPrefFunc();
+ aSetPrefFunc(aVal);
+ }
+
+ ~ScopedGfxSetting() { mSetPrefFunc(mOldVal); }
+
+ private:
+ std::function<void(SetArg)> mSetPrefFunc;
+ Storage mOldVal;
+};
+
+static inline constexpr auto kDefaultTouchBehavior =
+ AllowedTouchBehavior::VERTICAL_PAN | AllowedTouchBehavior::HORIZONTAL_PAN |
+ AllowedTouchBehavior::PINCH_ZOOM | AllowedTouchBehavior::ANIMATING_ZOOM;
+
+#define FRESH_PREF_VAR_PASTE(id, line) id##line
+#define FRESH_PREF_VAR_EXPAND(id, line) FRESH_PREF_VAR_PASTE(id, line)
+#define FRESH_PREF_VAR FRESH_PREF_VAR_EXPAND(pref, __LINE__)
+
+#define SCOPED_GFX_PREF_BOOL(prefName, prefValue) \
+ ScopedGfxSetting<bool, bool> FRESH_PREF_VAR( \
+ [=]() { return Preferences::GetBool(prefName); }, \
+ [=](bool aPrefValue) { Preferences::SetBool(prefName, aPrefValue); }, \
+ prefValue)
+
+#define SCOPED_GFX_PREF_INT(prefName, prefValue) \
+ ScopedGfxSetting<int32_t, int32_t> FRESH_PREF_VAR( \
+ [=]() { return Preferences::GetInt(prefName); }, \
+ [=](int32_t aPrefValue) { Preferences::SetInt(prefName, aPrefValue); }, \
+ prefValue)
+
+#define SCOPED_GFX_PREF_FLOAT(prefName, prefValue) \
+ ScopedGfxSetting<float, float> FRESH_PREF_VAR( \
+ [=]() { return Preferences::GetFloat(prefName); }, \
+ [=](float aPrefValue) { Preferences::SetFloat(prefName, aPrefValue); }, \
+ prefValue)
+
+class MockContentController : public GeckoContentController {
+ public:
+ MOCK_METHOD1(NotifyLayerTransforms, void(nsTArray<MatrixMessage>&&));
+ MOCK_METHOD1(RequestContentRepaint, void(const RepaintRequest&));
+ MOCK_METHOD5(HandleTap, void(TapType, const LayoutDevicePoint&, Modifiers,
+ const ScrollableLayerGuid&, uint64_t));
+ MOCK_METHOD5(NotifyPinchGesture,
+ void(PinchGestureInput::PinchGestureType,
+ const ScrollableLayerGuid&, const LayoutDevicePoint&,
+ LayoutDeviceCoord, Modifiers));
+ // Can't use the macros with already_AddRefed :(
+ void PostDelayedTask(already_AddRefed<Runnable> aTask, int aDelayMs) {
+ RefPtr<Runnable> task = aTask;
+ }
+ bool IsRepaintThread() { return NS_IsMainThread(); }
+ void DispatchToRepaintThread(already_AddRefed<Runnable> aTask) {
+ NS_DispatchToMainThread(std::move(aTask));
+ }
+ MOCK_METHOD4(NotifyAPZStateChange,
+ void(const ScrollableLayerGuid& aGuid, APZStateChange aChange,
+ int aArg, Maybe<uint64_t> aInputBlockId));
+ MOCK_METHOD0(NotifyFlushComplete, void());
+ MOCK_METHOD3(NotifyAsyncScrollbarDragInitiated,
+ void(uint64_t, const ScrollableLayerGuid::ViewID&,
+ ScrollDirection aDirection));
+ MOCK_METHOD1(NotifyAsyncScrollbarDragRejected,
+ void(const ScrollableLayerGuid::ViewID&));
+ MOCK_METHOD1(NotifyAsyncAutoscrollRejected,
+ void(const ScrollableLayerGuid::ViewID&));
+ MOCK_METHOD1(CancelAutoscroll, void(const ScrollableLayerGuid&));
+ MOCK_METHOD2(NotifyScaleGestureComplete,
+ void(const ScrollableLayerGuid&, float aScale));
+ MOCK_METHOD4(UpdateOverscrollVelocity,
+ void(const ScrollableLayerGuid&, float, float, bool));
+ MOCK_METHOD4(UpdateOverscrollOffset,
+ void(const ScrollableLayerGuid&, float, float, bool));
+};
+
+class MockContentControllerDelayed : public MockContentController {
+ public:
+ MockContentControllerDelayed()
+ : mTime(SampleTime::FromTest(GetStartupTime())) {}
+
+ const TimeStamp& Time() { return mTime.Time(); }
+ const SampleTime& GetSampleTime() { return mTime; }
+
+ void AdvanceByMillis(int aMillis) {
+ AdvanceBy(TimeDuration::FromMilliseconds(aMillis));
+ }
+
+ void AdvanceBy(const TimeDuration& aIncrement) {
+ SampleTime target = mTime + aIncrement;
+ while (mTaskQueue.Length() > 0 && mTaskQueue[0].second <= target) {
+ RunNextDelayedTask();
+ }
+ mTime = target;
+ }
+
+ void PostDelayedTask(already_AddRefed<Runnable> aTask, int aDelayMs) {
+ RefPtr<Runnable> task = aTask;
+ SampleTime runAtTime = mTime + TimeDuration::FromMilliseconds(aDelayMs);
+ int insIndex = mTaskQueue.Length();
+ while (insIndex > 0) {
+ if (mTaskQueue[insIndex - 1].second <= runAtTime) {
+ break;
+ }
+ insIndex--;
+ }
+ mTaskQueue.InsertElementAt(insIndex, std::make_pair(task, runAtTime));
+ }
+
+ // Run all the tasks in the queue, returning the number of tasks
+ // run. Note that if a task queues another task while running, that
+ // new task will not be run. Therefore, there may be still be tasks
+ // in the queue after this function is called. Only when the return
+ // value is 0 is the queue guaranteed to be empty.
+ int RunThroughDelayedTasks() {
+ nsTArray<std::pair<RefPtr<Runnable>, SampleTime>> runQueue =
+ std::move(mTaskQueue);
+ int numTasks = runQueue.Length();
+ for (int i = 0; i < numTasks; i++) {
+ mTime = runQueue[i].second;
+ runQueue[i].first->Run();
+
+ // Deleting the task is important in order to release the reference to
+ // the callee object.
+ runQueue[i].first = nullptr;
+ }
+ return numTasks;
+ }
+
+ private:
+ void RunNextDelayedTask() {
+ std::pair<RefPtr<Runnable>, SampleTime> next = mTaskQueue[0];
+ mTaskQueue.RemoveElementAt(0);
+ mTime = next.second;
+ next.first->Run();
+ // Deleting the task is important in order to release the reference to
+ // the callee object.
+ next.first = nullptr;
+ }
+
+ // The following array is sorted by timestamp (tasks are inserted in order by
+ // timestamp).
+ nsTArray<std::pair<RefPtr<Runnable>, SampleTime>> mTaskQueue;
+ SampleTime mTime;
+};
+
+class TestAPZCTreeManager : public APZCTreeManager {
+ public:
+ explicit TestAPZCTreeManager(MockContentControllerDelayed* aMcc,
+ UniquePtr<IAPZHitTester> aHitTester = nullptr)
+ : APZCTreeManager(LayersId{0}, std::move(aHitTester)), mcc(aMcc) {}
+
+ RefPtr<InputQueue> GetInputQueue() const { return mInputQueue; }
+
+ void ClearContentController() { mcc = nullptr; }
+
+ /**
+ * This function is not currently implemented.
+ * See bug 1468804 for more information.
+ **/
+ void CancelAnimation() { EXPECT_TRUE(false); }
+
+ APZEventResult ReceiveInputEvent(
+ InputData& aEvent,
+ InputBlockCallback&& aCallback = InputBlockCallback()) override {
+ APZEventResult result =
+ APZCTreeManager::ReceiveInputEvent(aEvent, std::move(aCallback));
+ if (aEvent.mInputType == PANGESTURE_INPUT &&
+ // In the APZCTreeManager::ReceiveInputEvent some type of pan gesture
+ // events are marked as `mHandledByAPZ = false` (e.g. with Ctrl key
+ // modifier which causes reflow zoom), in such cases the events will
+ // never be processed by InputQueue so we shouldn't try to invoke
+ // AllowsSwipe() here.
+ aEvent.AsPanGestureInput().mHandledByAPZ &&
+ aEvent.AsPanGestureInput().AllowsSwipe()) {
+ SetBrowserGestureResponse(result.mInputBlockId,
+ BrowserGestureResponse::NotConsumed);
+ }
+ return result;
+ }
+
+ protected:
+ AsyncPanZoomController* NewAPZCInstance(
+ LayersId aLayersId, GeckoContentController* aController) override;
+
+ SampleTime GetFrameTime() override { return mcc->GetSampleTime(); }
+
+ private:
+ RefPtr<MockContentControllerDelayed> mcc;
+};
+
+class TestAsyncPanZoomController : public AsyncPanZoomController {
+ public:
+ TestAsyncPanZoomController(LayersId aLayersId,
+ MockContentControllerDelayed* aMcc,
+ TestAPZCTreeManager* aTreeManager,
+ GestureBehavior aBehavior = DEFAULT_GESTURES)
+ : AsyncPanZoomController(aLayersId, aTreeManager,
+ aTreeManager->GetInputQueue(), aMcc, aBehavior),
+ mWaitForMainThread(false),
+ mcc(aMcc) {}
+
+ APZEventResult ReceiveInputEvent(
+ InputData& aEvent,
+ const Maybe<nsTArray<uint32_t>>& aTouchBehaviors = Nothing()) {
+ // This is a function whose signature matches exactly the ReceiveInputEvent
+ // on APZCTreeManager. This allows us to templates for functions like
+ // TouchDown, TouchUp, etc so that we can reuse the code for dispatching
+ // events into both APZC and APZCTM.
+ APZEventResult result = GetInputQueue()->ReceiveInputEvent(
+ this, TargetConfirmationFlags{!mWaitForMainThread}, aEvent,
+ aTouchBehaviors);
+
+ if (aEvent.mInputType == PANGESTURE_INPUT &&
+ aEvent.AsPanGestureInput().AllowsSwipe()) {
+ GetInputQueue()->SetBrowserGestureResponse(
+ result.mInputBlockId, BrowserGestureResponse::NotConsumed);
+ }
+ return result;
+ }
+
+ void ContentReceivedInputBlock(uint64_t aInputBlockId, bool aPreventDefault) {
+ GetInputQueue()->ContentReceivedInputBlock(aInputBlockId, aPreventDefault);
+ }
+
+ void ConfirmTarget(uint64_t aInputBlockId) {
+ RefPtr<AsyncPanZoomController> target = this;
+ GetInputQueue()->SetConfirmedTargetApzc(aInputBlockId, target);
+ }
+
+ void SetAllowedTouchBehavior(uint64_t aInputBlockId,
+ const nsTArray<TouchBehaviorFlags>& aBehaviors) {
+ GetInputQueue()->SetAllowedTouchBehavior(aInputBlockId, aBehaviors);
+ }
+
+ void SetFrameMetrics(const FrameMetrics& metrics) {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ Metrics() = metrics;
+ }
+
+ void SetScrollMetadata(const ScrollMetadata& aMetadata) {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ mScrollMetadata = aMetadata;
+ }
+
+ FrameMetrics& GetFrameMetrics() {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ return mScrollMetadata.GetMetrics();
+ }
+
+ ScrollMetadata& GetScrollMetadata() {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ return mScrollMetadata;
+ }
+
+ const FrameMetrics& GetFrameMetrics() const {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ return mScrollMetadata.GetMetrics();
+ }
+
+ using AsyncPanZoomController::GetOverscrollAmount;
+ using AsyncPanZoomController::GetVelocityVector;
+
+ void AssertStateIsReset() const {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ EXPECT_EQ(NOTHING, mState);
+ }
+
+ void AssertStateIsFling() const {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ EXPECT_EQ(FLING, mState);
+ }
+
+ void AssertStateIsSmoothScroll() const {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ EXPECT_EQ(SMOOTH_SCROLL, mState);
+ }
+
+ void AssertStateIsSmoothMsdScroll() const {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ EXPECT_EQ(SMOOTHMSD_SCROLL, mState);
+ }
+
+ void AssertStateIsPanningLockedY() {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ EXPECT_EQ(PANNING_LOCKED_Y, mState);
+ }
+
+ void AssertStateIsPanningLockedX() {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ EXPECT_EQ(PANNING_LOCKED_X, mState);
+ }
+
+ void AssertStateIsPanning() {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ EXPECT_EQ(PANNING, mState);
+ }
+
+ void AssertStateIsPanMomentum() {
+ RecursiveMutexAutoLock lock(mRecursiveMutex);
+ EXPECT_EQ(PAN_MOMENTUM, mState);
+ }
+
+ void SetAxisLocked(ScrollDirections aDirections, bool aLockValue) {
+ if (aDirections.contains(ScrollDirection::eVertical)) {
+ mY.SetAxisLocked(aLockValue);
+ }
+ if (aDirections.contains(ScrollDirection::eHorizontal)) {
+ mX.SetAxisLocked(aLockValue);
+ }
+ }
+
+ void AssertNotAxisLocked() const {
+ EXPECT_FALSE(mY.IsAxisLocked());
+ EXPECT_FALSE(mX.IsAxisLocked());
+ }
+
+ void AssertAxisLocked(ScrollDirection aDirection) const {
+ switch (aDirection) {
+ case ScrollDirection::eHorizontal:
+ EXPECT_TRUE(mY.IsAxisLocked());
+ EXPECT_FALSE(mX.IsAxisLocked());
+ break;
+ case ScrollDirection::eVertical:
+ EXPECT_TRUE(mX.IsAxisLocked());
+ EXPECT_FALSE(mY.IsAxisLocked());
+ break;
+ default:
+ FAIL() << "input direction must be either vertical or horizontal";
+ }
+ }
+
+ void AdvanceAnimationsUntilEnd(
+ const TimeDuration& aIncrement = TimeDuration::FromMilliseconds(10)) {
+ while (AdvanceAnimations(mcc->GetSampleTime())) {
+ mcc->AdvanceBy(aIncrement);
+ }
+ }
+
+ bool SampleContentTransformForFrame(
+ AsyncTransform* aOutTransform, ParentLayerPoint& aScrollOffset,
+ const TimeDuration& aIncrement = TimeDuration::FromMilliseconds(0)) {
+ mcc->AdvanceBy(aIncrement);
+ bool ret = AdvanceAnimations(mcc->GetSampleTime());
+ if (aOutTransform) {
+ *aOutTransform =
+ GetCurrentAsyncTransform(AsyncPanZoomController::eForHitTesting);
+ }
+ aScrollOffset =
+ GetCurrentAsyncScrollOffset(AsyncPanZoomController::eForHitTesting);
+ return ret;
+ }
+
+ CSSPoint GetCompositedScrollOffset() const {
+ return GetCurrentAsyncScrollOffset(
+ AsyncPanZoomController::eForCompositing) /
+ GetFrameMetrics().GetZoom();
+ }
+
+ void SetWaitForMainThread() { mWaitForMainThread = true; }
+
+ bool IsOverscrollAnimationRunning() const {
+ return mState == PanZoomState::OVERSCROLL_ANIMATION;
+ }
+
+ private:
+ bool mWaitForMainThread;
+ MockContentControllerDelayed* mcc;
+};
+
+class APZCTesterBase : public ::testing::Test {
+ public:
+ APZCTesterBase() { mcc = new NiceMock<MockContentControllerDelayed>(); }
+
+ void SetUp() override {
+ gfxPlatform::GetPlatform();
+ // This pref is changed in Pan() without using SCOPED_GFX_PREF
+ // because the modified value needs to be in place until the touch
+ // events are processed, which may not happen until the input queue
+ // is flushed in TearDown(). So, we save and restore its value here.
+ mTouchStartTolerance = StaticPrefs::apz_touch_start_tolerance();
+ }
+
+ void TearDown() override {
+ Preferences::SetFloat("apz.touch_start_tolerance", mTouchStartTolerance);
+ }
+
+ enum class PanOptions {
+ None = 0,
+ KeepFingerDown = 0x1,
+ /*
+ * Do not adjust the touch-start coordinates to overcome the touch-start
+ * tolerance threshold. If this option is passed, it's up to the caller
+ * to pass in coordinates that are sufficient to overcome the touch-start
+ * tolerance *and* cause the desired amount of scrolling.
+ */
+ ExactCoordinates = 0x2,
+ NoFling = 0x4
+ };
+
+ enum class PinchOptions {
+ None = 0,
+ LiftFinger1 = 0x1,
+ LiftFinger2 = 0x2,
+ /*
+ * The bitwise OR result of (LiftFinger1 | LiftFinger2).
+ * Defined explicitly here because it is used as the default
+ * argument for PinchWithTouchInput which is defined BEFORE the
+ * definition of operator| for this class.
+ */
+ LiftBothFingers = 0x3
+ };
+
+ template <class InputReceiver>
+ APZEventResult Tap(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint, TimeDuration aTapLength,
+ nsEventStatus (*aOutEventStatuses)[2] = nullptr,
+ uint64_t* aOutInputBlockId = nullptr);
+
+ template <class InputReceiver>
+ void TapAndCheckStatus(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint, TimeDuration aTapLength);
+
+ template <class InputReceiver>
+ void Pan(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aTouchStart, const ScreenIntPoint& aTouchEnd,
+ PanOptions aOptions = PanOptions::None,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors = nullptr,
+ nsEventStatus (*aOutEventStatuses)[4] = nullptr,
+ uint64_t* aOutInputBlockId = nullptr);
+
+ /*
+ * A version of Pan() that only takes y coordinates rather than (x, y) points
+ * for the touch start and end points, and uses 10 for the x coordinates.
+ * This is for convenience, as most tests only need to pan in one direction.
+ */
+ template <class InputReceiver>
+ void Pan(const RefPtr<InputReceiver>& aTarget, int aTouchStartY,
+ int aTouchEndY, PanOptions aOptions = PanOptions::None,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors = nullptr,
+ nsEventStatus (*aOutEventStatuses)[4] = nullptr,
+ uint64_t* aOutInputBlockId = nullptr);
+
+ /*
+ * Dispatches mock touch events to the apzc and checks whether apzc properly
+ * consumed them and triggered scrolling behavior.
+ */
+ template <class InputReceiver>
+ void PanAndCheckStatus(const RefPtr<InputReceiver>& aTarget, int aTouchStartY,
+ int aTouchEndY, bool aExpectConsumed,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors,
+ uint64_t* aOutInputBlockId = nullptr);
+
+ template <class InputReceiver>
+ void DoubleTap(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint,
+ nsEventStatus (*aOutEventStatuses)[4] = nullptr,
+ uint64_t (*aOutInputBlockIds)[2] = nullptr);
+
+ template <class InputReceiver>
+ void DoubleTapAndCheckStatus(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint,
+ uint64_t (*aOutInputBlockIds)[2] = nullptr);
+
+ template <class InputReceiver>
+ void PinchWithTouchInput(
+ const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aFocus,
+ const ScreenIntPoint& aSecondFocus, float aScale, int& inputId,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors = nullptr,
+ nsEventStatus (*aOutEventStatuses)[4] = nullptr,
+ uint64_t* aOutInputBlockId = nullptr,
+ PinchOptions aOptions = PinchOptions::LiftBothFingers,
+ bool aVertical = false);
+
+ // Pinch with one focus point. Zooms in place with no panning
+ template <class InputReceiver>
+ void PinchWithTouchInput(
+ const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aFocus,
+ float aScale, int& inputId,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors = nullptr,
+ nsEventStatus (*aOutEventStatuses)[4] = nullptr,
+ uint64_t* aOutInputBlockId = nullptr,
+ PinchOptions aOptions = PinchOptions::LiftBothFingers,
+ bool aVertical = false);
+
+ template <class InputReceiver>
+ void PinchWithTouchInputAndCheckStatus(
+ const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aFocus,
+ float aScale, int& inputId, bool aShouldTriggerPinch,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors);
+
+ template <class InputReceiver>
+ void PinchWithPinchInput(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aFocus,
+ const ScreenIntPoint& aSecondFocus, float aScale,
+ nsEventStatus (*aOutEventStatuses)[3] = nullptr);
+
+ template <class InputReceiver>
+ void PinchWithPinchInputAndCheckStatus(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aFocus,
+ float aScale,
+ bool aShouldTriggerPinch);
+
+ protected:
+ RefPtr<MockContentControllerDelayed> mcc;
+
+ private:
+ float mTouchStartTolerance;
+};
+
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(APZCTesterBase::PanOptions)
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(APZCTesterBase::PinchOptions)
+
+template <class InputReceiver>
+APZEventResult APZCTesterBase::Tap(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint,
+ TimeDuration aTapLength,
+ nsEventStatus (*aOutEventStatuses)[2],
+ uint64_t* aOutInputBlockId) {
+ APZEventResult touchDownResult = TouchDown(aTarget, aPoint, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[0] = touchDownResult.GetStatus();
+ }
+ if (aOutInputBlockId) {
+ *aOutInputBlockId = touchDownResult.mInputBlockId;
+ }
+ mcc->AdvanceBy(aTapLength);
+
+ // If touch-action is enabled then simulate the allowed touch behaviour
+ // notification that the main thread is supposed to deliver.
+ if (touchDownResult.GetStatus() != nsEventStatus_eConsumeNoDefault) {
+ SetDefaultAllowedTouchBehavior(aTarget, touchDownResult.mInputBlockId);
+ }
+
+ APZEventResult touchUpResult = TouchUp(aTarget, aPoint, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[1] = touchUpResult.GetStatus();
+ }
+ return touchDownResult;
+}
+
+template <class InputReceiver>
+void APZCTesterBase::TapAndCheckStatus(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint,
+ TimeDuration aTapLength) {
+ nsEventStatus statuses[2];
+ Tap(aTarget, aPoint, aTapLength, &statuses);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[0]);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[1]);
+}
+
+template <class InputReceiver>
+void APZCTesterBase::Pan(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aTouchStart,
+ const ScreenIntPoint& aTouchEnd, PanOptions aOptions,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors,
+ nsEventStatus (*aOutEventStatuses)[4],
+ uint64_t* aOutInputBlockId) {
+ // Reduce the move tolerance to a tiny value.
+ // We can't use a scoped pref because this value might be read at some later
+ // time when the events are actually processed, rather than when we deliver
+ // them.
+ const float touchStartTolerance = 0.1f;
+ const float panThreshold = touchStartTolerance * aTarget->GetDPI();
+ Preferences::SetFloat("apz.touch_start_tolerance", touchStartTolerance);
+ Preferences::SetFloat("apz.touch_move_tolerance", 0.0f);
+ int overcomeTouchToleranceX = 0;
+ int overcomeTouchToleranceY = 0;
+ if (!(aOptions & PanOptions::ExactCoordinates)) {
+ // Have the direction of the adjustment to overcome the touch tolerance
+ // match the direction of the entire gesture, otherwise we run into
+ // trouble such as accidentally activating the axis lock.
+ if (aTouchStart.x != aTouchEnd.x && aTouchStart.y != aTouchEnd.y) {
+ // Tests that need to avoid rounding error here can arrange for
+ // panThreshold to be 10 (by setting the DPI to 100), which makes sure
+ // that these are the legs in a Pythagorean triple where panThreshold is
+ // the hypotenuse. Watch out for changes of APZCPinchTester::mDPI.
+ overcomeTouchToleranceX = panThreshold / 10 * 6;
+ overcomeTouchToleranceY = panThreshold / 10 * 8;
+ } else if (aTouchStart.x != aTouchEnd.x) {
+ overcomeTouchToleranceX = panThreshold;
+ } else if (aTouchStart.y != aTouchEnd.y) {
+ overcomeTouchToleranceY = panThreshold;
+ }
+ }
+
+ const TimeDuration TIME_BETWEEN_TOUCH_EVENT =
+ TimeDuration::FromMilliseconds(20);
+
+ // Even if the caller doesn't care about the block id, we need it to set the
+ // allowed touch behaviour below, so make sure aOutInputBlockId is non-null.
+ uint64_t blockId;
+ if (!aOutInputBlockId) {
+ aOutInputBlockId = &blockId;
+ }
+
+ // Make sure the move is large enough to not be handled as a tap
+ APZEventResult result =
+ TouchDown(aTarget,
+ ScreenIntPoint(aTouchStart.x + overcomeTouchToleranceX,
+ aTouchStart.y + overcomeTouchToleranceY),
+ mcc->Time());
+ if (aOutInputBlockId) {
+ *aOutInputBlockId = result.mInputBlockId;
+ }
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[0] = result.GetStatus();
+ }
+
+ mcc->AdvanceBy(TIME_BETWEEN_TOUCH_EVENT);
+
+ // Allowed touch behaviours must be set after sending touch-start.
+ if (result.GetStatus() != nsEventStatus_eConsumeNoDefault) {
+ if (aAllowedTouchBehaviors) {
+ EXPECT_EQ(1UL, aAllowedTouchBehaviors->Length());
+ aTarget->SetAllowedTouchBehavior(*aOutInputBlockId,
+ *aAllowedTouchBehaviors);
+ } else {
+ SetDefaultAllowedTouchBehavior(aTarget, *aOutInputBlockId);
+ }
+ }
+
+ result = TouchMove(aTarget, aTouchStart, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[1] = result.GetStatus();
+ }
+
+ mcc->AdvanceBy(TIME_BETWEEN_TOUCH_EVENT);
+
+ const int numSteps = 3;
+ auto stepVector = (aTouchEnd - aTouchStart) / numSteps;
+ for (int k = 1; k < numSteps; k++) {
+ auto stepPoint = aTouchStart + stepVector * k;
+ Unused << TouchMove(aTarget, stepPoint, mcc->Time());
+
+ mcc->AdvanceBy(TIME_BETWEEN_TOUCH_EVENT);
+ }
+
+ result = TouchMove(aTarget, aTouchEnd, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[2] = result.GetStatus();
+ }
+
+ mcc->AdvanceBy(TIME_BETWEEN_TOUCH_EVENT);
+
+ if (!(aOptions & PanOptions::KeepFingerDown)) {
+ result = TouchUp(aTarget, aTouchEnd, mcc->Time());
+ } else {
+ result.SetStatusAsIgnore();
+ }
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[3] = result.GetStatus();
+ }
+
+ if ((aOptions & PanOptions::NoFling)) {
+ aTarget->CancelAnimation();
+ }
+
+ // Don't increment the time here. Animations started on touch-up, such as
+ // flings, are affected by elapsed time, and we want to be able to sample
+ // them immediately after they start, without time having elapsed.
+}
+
+template <class InputReceiver>
+void APZCTesterBase::Pan(const RefPtr<InputReceiver>& aTarget, int aTouchStartY,
+ int aTouchEndY, PanOptions aOptions,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors,
+ nsEventStatus (*aOutEventStatuses)[4],
+ uint64_t* aOutInputBlockId) {
+ Pan(aTarget, ScreenIntPoint(10, aTouchStartY), ScreenIntPoint(10, aTouchEndY),
+ aOptions, aAllowedTouchBehaviors, aOutEventStatuses, aOutInputBlockId);
+}
+
+template <class InputReceiver>
+void APZCTesterBase::PanAndCheckStatus(
+ const RefPtr<InputReceiver>& aTarget, int aTouchStartY, int aTouchEndY,
+ bool aExpectConsumed, nsTArray<uint32_t>* aAllowedTouchBehaviors,
+ uint64_t* aOutInputBlockId) {
+ nsEventStatus statuses[4]; // down, move, move, up
+ Pan(aTarget, aTouchStartY, aTouchEndY, PanOptions::None,
+ aAllowedTouchBehaviors, &statuses, aOutInputBlockId);
+
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[0]);
+
+ nsEventStatus touchMoveStatus;
+ if (aExpectConsumed) {
+ touchMoveStatus = nsEventStatus_eConsumeDoDefault;
+ } else {
+ touchMoveStatus = nsEventStatus_eIgnore;
+ }
+ EXPECT_EQ(touchMoveStatus, statuses[1]);
+ EXPECT_EQ(touchMoveStatus, statuses[2]);
+}
+
+template <class InputReceiver>
+void APZCTesterBase::DoubleTap(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint,
+ nsEventStatus (*aOutEventStatuses)[4],
+ uint64_t (*aOutInputBlockIds)[2]) {
+ APZEventResult result = TouchDown(aTarget, aPoint, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[0] = result.GetStatus();
+ }
+ if (aOutInputBlockIds) {
+ (*aOutInputBlockIds)[0] = result.mInputBlockId;
+ }
+ mcc->AdvanceByMillis(10);
+
+ // If touch-action is enabled then simulate the allowed touch behaviour
+ // notification that the main thread is supposed to deliver.
+ if (result.GetStatus() != nsEventStatus_eConsumeNoDefault) {
+ SetDefaultAllowedTouchBehavior(aTarget, result.mInputBlockId);
+ }
+
+ result = TouchUp(aTarget, aPoint, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[1] = result.GetStatus();
+ }
+ mcc->AdvanceByMillis(10);
+ result = TouchDown(aTarget, aPoint, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[2] = result.GetStatus();
+ }
+ if (aOutInputBlockIds) {
+ (*aOutInputBlockIds)[1] = result.mInputBlockId;
+ }
+ mcc->AdvanceByMillis(10);
+
+ if (result.GetStatus() != nsEventStatus_eConsumeNoDefault) {
+ SetDefaultAllowedTouchBehavior(aTarget, result.mInputBlockId);
+ }
+
+ result = TouchUp(aTarget, aPoint, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[3] = result.GetStatus();
+ }
+}
+
+template <class InputReceiver>
+void APZCTesterBase::DoubleTapAndCheckStatus(
+ const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aPoint,
+ uint64_t (*aOutInputBlockIds)[2]) {
+ nsEventStatus statuses[4];
+ DoubleTap(aTarget, aPoint, &statuses, aOutInputBlockIds);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[0]);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[1]);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[2]);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[3]);
+}
+
+template <class InputReceiver>
+void APZCTesterBase::PinchWithTouchInput(
+ const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aFocus,
+ float aScale, int& inputId, nsTArray<uint32_t>* aAllowedTouchBehaviors,
+ nsEventStatus (*aOutEventStatuses)[4], uint64_t* aOutInputBlockId,
+ PinchOptions aOptions, bool aVertical) {
+ // Perform a pinch gesture with the same start & end focus point
+ PinchWithTouchInput(aTarget, aFocus, aFocus, aScale, inputId,
+ aAllowedTouchBehaviors, aOutEventStatuses,
+ aOutInputBlockId, aOptions, aVertical);
+}
+
+template <class InputReceiver>
+void APZCTesterBase::PinchWithTouchInput(
+ const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aFocus,
+ const ScreenIntPoint& aSecondFocus, float aScale, int& inputId,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors,
+ nsEventStatus (*aOutEventStatuses)[4], uint64_t* aOutInputBlockId,
+ PinchOptions aOptions, bool aVertical) {
+ // Having pinch coordinates in float type may cause problems with
+ // high-precision scale values since SingleTouchData accepts integer value.
+ // But for trivial tests it should be ok.
+ const float pinchLength = 100.0;
+ const float pinchLengthScaled = pinchLength * aScale;
+
+ const float pinchLengthX = aVertical ? 0 : pinchLength;
+ const float pinchLengthScaledX = aVertical ? 0 : pinchLengthScaled;
+ const float pinchLengthY = aVertical ? pinchLength : 0;
+ const float pinchLengthScaledY = aVertical ? pinchLengthScaled : 0;
+
+ // Even if the caller doesn't care about the block id, we need it to set the
+ // allowed touch behaviour below, so make sure aOutInputBlockId is non-null.
+ uint64_t blockId;
+ if (!aOutInputBlockId) {
+ aOutInputBlockId = &blockId;
+ }
+
+ const TimeDuration TIME_BETWEEN_TOUCH_EVENT =
+ TimeDuration::FromMilliseconds(20);
+
+ MultiTouchInput mtiStart =
+ MultiTouchInput(MultiTouchInput::MULTITOUCH_START, 0, mcc->Time(), 0);
+ mtiStart.mTouches.AppendElement(CreateSingleTouchData(inputId, aFocus));
+ mtiStart.mTouches.AppendElement(CreateSingleTouchData(inputId + 1, aFocus));
+ APZEventResult result;
+ result = aTarget->ReceiveInputEvent(mtiStart);
+ if (aOutInputBlockId) {
+ *aOutInputBlockId = result.mInputBlockId;
+ }
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[0] = result.GetStatus();
+ }
+
+ mcc->AdvanceBy(TIME_BETWEEN_TOUCH_EVENT);
+
+ if (aAllowedTouchBehaviors) {
+ EXPECT_EQ(2UL, aAllowedTouchBehaviors->Length());
+ aTarget->SetAllowedTouchBehavior(*aOutInputBlockId,
+ *aAllowedTouchBehaviors);
+ } else {
+ SetDefaultAllowedTouchBehavior(aTarget, *aOutInputBlockId, 2);
+ }
+
+ ScreenIntPoint pinchStartPoint1(aFocus.x - int32_t(pinchLengthX),
+ aFocus.y - int32_t(pinchLengthY));
+ ScreenIntPoint pinchStartPoint2(aFocus.x + int32_t(pinchLengthX),
+ aFocus.y + int32_t(pinchLengthY));
+
+ MultiTouchInput mtiMove1 =
+ MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, mcc->Time(), 0);
+ mtiMove1.mTouches.AppendElement(
+ CreateSingleTouchData(inputId, pinchStartPoint1));
+ mtiMove1.mTouches.AppendElement(
+ CreateSingleTouchData(inputId + 1, pinchStartPoint2));
+ result = aTarget->ReceiveInputEvent(mtiMove1);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[1] = result.GetStatus();
+ }
+
+ mcc->AdvanceBy(TIME_BETWEEN_TOUCH_EVENT);
+
+ // Pinch instantly but move in steps.
+ const int numSteps = 3;
+ auto stepVector = (aSecondFocus - aFocus) / numSteps;
+ for (int k = 1; k < numSteps; k++) {
+ ScreenIntPoint stepFocus = aFocus + stepVector * k;
+ ScreenIntPoint stepPoint1(stepFocus.x - int32_t(pinchLengthScaledX),
+ stepFocus.y - int32_t(pinchLengthScaledY));
+ ScreenIntPoint stepPoint2(stepFocus.x + int32_t(pinchLengthScaledX),
+ stepFocus.y + int32_t(pinchLengthScaledY));
+ MultiTouchInput mtiMoveStep =
+ MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, mcc->Time(), 0);
+ mtiMoveStep.mTouches.AppendElement(
+ CreateSingleTouchData(inputId, stepPoint1));
+ mtiMoveStep.mTouches.AppendElement(
+ CreateSingleTouchData(inputId + 1, stepPoint2));
+ Unused << aTarget->ReceiveInputEvent(mtiMoveStep);
+
+ mcc->AdvanceBy(TIME_BETWEEN_TOUCH_EVENT);
+ }
+
+ ScreenIntPoint pinchEndPoint1(aSecondFocus.x - int32_t(pinchLengthScaledX),
+ aSecondFocus.y - int32_t(pinchLengthScaledY));
+ ScreenIntPoint pinchEndPoint2(aSecondFocus.x + int32_t(pinchLengthScaledX),
+ aSecondFocus.y + int32_t(pinchLengthScaledY));
+
+ MultiTouchInput mtiMove2 =
+ MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, mcc->Time(), 0);
+ mtiMove2.mTouches.AppendElement(
+ CreateSingleTouchData(inputId, pinchEndPoint1));
+ mtiMove2.mTouches.AppendElement(
+ CreateSingleTouchData(inputId + 1, pinchEndPoint2));
+ result = aTarget->ReceiveInputEvent(mtiMove2);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[2] = result.GetStatus();
+ }
+
+ if (aOptions & (PinchOptions::LiftFinger1 | PinchOptions::LiftFinger2)) {
+ mcc->AdvanceBy(TIME_BETWEEN_TOUCH_EVENT);
+
+ MultiTouchInput mtiEnd =
+ MultiTouchInput(MultiTouchInput::MULTITOUCH_END, 0, mcc->Time(), 0);
+ if (aOptions & PinchOptions::LiftFinger1) {
+ mtiEnd.mTouches.AppendElement(
+ CreateSingleTouchData(inputId, pinchEndPoint1));
+ }
+ if (aOptions & PinchOptions::LiftFinger2) {
+ mtiEnd.mTouches.AppendElement(
+ CreateSingleTouchData(inputId + 1, pinchEndPoint2));
+ }
+ result = aTarget->ReceiveInputEvent(mtiEnd);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[3] = result.GetStatus();
+ }
+ }
+
+ inputId += 2;
+}
+
+template <class InputReceiver>
+void APZCTesterBase::PinchWithTouchInputAndCheckStatus(
+ const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aFocus,
+ float aScale, int& inputId, bool aShouldTriggerPinch,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors) {
+ nsEventStatus statuses[4]; // down, move, move, up
+ PinchWithTouchInput(aTarget, aFocus, aScale, inputId, aAllowedTouchBehaviors,
+ &statuses);
+
+ nsEventStatus expectedMoveStatus = aShouldTriggerPinch
+ ? nsEventStatus_eConsumeDoDefault
+ : nsEventStatus_eIgnore;
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[0]);
+ EXPECT_EQ(expectedMoveStatus, statuses[1]);
+ EXPECT_EQ(expectedMoveStatus, statuses[2]);
+}
+
+template <class InputReceiver>
+void APZCTesterBase::PinchWithPinchInput(
+ const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aFocus,
+ const ScreenIntPoint& aSecondFocus, float aScale,
+ nsEventStatus (*aOutEventStatuses)[3]) {
+ const TimeDuration TIME_BETWEEN_PINCH_INPUT =
+ TimeDuration::FromMilliseconds(50);
+
+ auto event = CreatePinchGestureInput(PinchGestureInput::PINCHGESTURE_START,
+ aFocus, 10.0, 10.0, mcc->Time());
+ APZEventResult actual = aTarget->ReceiveInputEvent(event);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[0] = actual.GetStatus();
+ }
+ mcc->AdvanceBy(TIME_BETWEEN_PINCH_INPUT);
+
+ event =
+ CreatePinchGestureInput(PinchGestureInput::PINCHGESTURE_SCALE,
+ aSecondFocus, 10.0 * aScale, 10.0, mcc->Time());
+ actual = aTarget->ReceiveInputEvent(event);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[1] = actual.GetStatus();
+ }
+ mcc->AdvanceBy(TIME_BETWEEN_PINCH_INPUT);
+
+ event =
+ CreatePinchGestureInput(PinchGestureInput::PINCHGESTURE_END, aSecondFocus,
+ 10.0 * aScale, 10.0 * aScale, mcc->Time());
+ actual = aTarget->ReceiveInputEvent(event);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[2] = actual.GetStatus();
+ }
+}
+
+template <class InputReceiver>
+void APZCTesterBase::PinchWithPinchInputAndCheckStatus(
+ const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aFocus,
+ float aScale, bool aShouldTriggerPinch) {
+ nsEventStatus statuses[3]; // scalebegin, scale, scaleend
+ PinchWithPinchInput(aTarget, aFocus, aFocus, aScale, &statuses);
+
+ nsEventStatus expectedStatus = aShouldTriggerPinch
+ ? nsEventStatus_eConsumeDoDefault
+ : nsEventStatus_eIgnore;
+ EXPECT_EQ(expectedStatus, statuses[0]);
+ EXPECT_EQ(expectedStatus, statuses[1]);
+}
+
+inline FrameMetrics TestFrameMetrics() {
+ FrameMetrics fm;
+
+ fm.SetDisplayPort(CSSRect(0, 0, 10, 10));
+ fm.SetCompositionBounds(ParentLayerRect(0, 0, 10, 10));
+ fm.SetScrollableRect(CSSRect(0, 0, 100, 100));
+
+ return fm;
+}
+
+#endif // mozilla_layers_APZTestCommon_h
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