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Diffstat (limited to 'gfx/layers/apz/test/gtest/TestHitTesting.cpp')
| -rw-r--r-- | gfx/layers/apz/test/gtest/TestHitTesting.cpp | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/gfx/layers/apz/test/gtest/TestHitTesting.cpp b/gfx/layers/apz/test/gtest/TestHitTesting.cpp new file mode 100644 index 0000000000..04f1e40f5d --- /dev/null +++ b/gfx/layers/apz/test/gtest/TestHitTesting.cpp @@ -0,0 +1,352 @@ +/* -*- 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/. */ + +#include "APZCTreeManagerTester.h" +#include "APZTestCommon.h" + +#include "InputUtils.h" + +class APZHitTestingTester : public APZCTreeManagerTester { + protected: + ScreenToParentLayerMatrix4x4 transformToApzc; + ParentLayerToScreenMatrix4x4 transformToGecko; + + already_AddRefed<AsyncPanZoomController> GetTargetAPZC( + const ScreenPoint& aPoint) { + RefPtr<AsyncPanZoomController> hit = + manager->GetTargetAPZC(aPoint).mTargetApzc; + if (hit) { + transformToApzc = manager->GetScreenToApzcTransform(hit.get()); + transformToGecko = + manager->GetApzcToGeckoTransform(hit.get(), LayoutAndVisual); + } + return hit.forget(); + } + + protected: + void DisableApzOn(WebRenderLayerScrollData* aLayer) { + ModifyFrameMetrics(aLayer, [](ScrollMetadata& aSm, FrameMetrics&) { + aSm.SetForceDisableApz(true); + }); + } + + void CreateComplexMultiLayerTree() { + const char* treeShape = "x(xx(x)xx(x(x)xx))"; + // LayerID 0 12 3 45 6 7 89 + LayerIntRegion layerVisibleRegion[] = { + LayerIntRect(0, 0, 300, 400), // root(0) + LayerIntRect(0, 0, 100, 100), // layer(1) in top-left + LayerIntRect(50, 50, 200, 300), // layer(2) centered in root(0) + LayerIntRect(50, 50, 200, + 300), // layer(3) fully occupying parent layer(2) + LayerIntRect(0, 200, 100, 100), // layer(4) in bottom-left + LayerIntRect(200, 0, 100, + 400), // layer(5) along the right 100px of root(0) + LayerIntRect(200, 0, 100, 200), // layer(6) taking up the top + // half of parent layer(5) + LayerIntRect(200, 0, 100, + 200), // layer(7) fully occupying parent layer(6) + LayerIntRect(200, 200, 100, + 100), // layer(8) in bottom-right (below (6)) + LayerIntRect(200, 300, 100, + 100), // layer(9) in bottom-right (below (8)) + }; + CreateScrollData(treeShape, layerVisibleRegion); + SetScrollableFrameMetrics(layers[1], ScrollableLayerGuid::START_SCROLL_ID); + SetScrollableFrameMetrics(layers[2], ScrollableLayerGuid::START_SCROLL_ID); + SetScrollableFrameMetrics(layers[4], + ScrollableLayerGuid::START_SCROLL_ID + 1); + SetScrollableFrameMetrics(layers[6], + ScrollableLayerGuid::START_SCROLL_ID + 1); + SetScrollableFrameMetrics(layers[7], + ScrollableLayerGuid::START_SCROLL_ID + 2); + SetScrollableFrameMetrics(layers[8], + ScrollableLayerGuid::START_SCROLL_ID + 1); + SetScrollableFrameMetrics(layers[9], + ScrollableLayerGuid::START_SCROLL_ID + 3); + } + + void CreateBug1148350LayerTree() { + const char* treeShape = "x(x)"; + // LayerID 0 1 + LayerIntRegion layerVisibleRegion[] = { + LayerIntRect(0, 0, 200, 200), + LayerIntRect(0, 0, 200, 200), + }; + CreateScrollData(treeShape, layerVisibleRegion); + SetScrollableFrameMetrics(layers[1], ScrollableLayerGuid::START_SCROLL_ID); + } +}; + +TEST_F(APZHitTestingTester, ComplexMultiLayerTree) { + CreateComplexMultiLayerTree(); + ScopedLayerTreeRegistration registration(LayersId{0}, mcc); + UpdateHitTestingTree(); + + /* The layer tree looks like this: + + 0 + |----|--+--|----| + 1 2 4 5 + | /|\ + 3 6 8 9 + | + 7 + + Layers 1,2 have the same APZC + Layers 4,6,8 have the same APZC + Layer 7 has an APZC + Layer 9 has an APZC + */ + + TestAsyncPanZoomController* nullAPZC = nullptr; + // Ensure all the scrollable layers have an APZC + + EXPECT_FALSE(HasScrollableFrameMetrics(layers[0])); + EXPECT_NE(nullAPZC, ApzcOf(layers[1])); + EXPECT_NE(nullAPZC, ApzcOf(layers[2])); + EXPECT_FALSE(HasScrollableFrameMetrics(layers[3])); + EXPECT_NE(nullAPZC, ApzcOf(layers[4])); + EXPECT_FALSE(HasScrollableFrameMetrics(layers[5])); + EXPECT_NE(nullAPZC, ApzcOf(layers[6])); + EXPECT_NE(nullAPZC, ApzcOf(layers[7])); + EXPECT_NE(nullAPZC, ApzcOf(layers[8])); + EXPECT_NE(nullAPZC, ApzcOf(layers[9])); + // Ensure those that scroll together have the same APZCs + EXPECT_EQ(ApzcOf(layers[1]), ApzcOf(layers[2])); + EXPECT_EQ(ApzcOf(layers[4]), ApzcOf(layers[6])); + EXPECT_EQ(ApzcOf(layers[8]), ApzcOf(layers[6])); + // Ensure those that don't scroll together have different APZCs + EXPECT_NE(ApzcOf(layers[1]), ApzcOf(layers[4])); + EXPECT_NE(ApzcOf(layers[1]), ApzcOf(layers[7])); + EXPECT_NE(ApzcOf(layers[1]), ApzcOf(layers[9])); + EXPECT_NE(ApzcOf(layers[4]), ApzcOf(layers[7])); + EXPECT_NE(ApzcOf(layers[4]), ApzcOf(layers[9])); + EXPECT_NE(ApzcOf(layers[7]), ApzcOf(layers[9])); + // Ensure the APZC parent chains are set up correctly + TestAsyncPanZoomController* layers1_2 = ApzcOf(layers[1]); + TestAsyncPanZoomController* layers4_6_8 = ApzcOf(layers[4]); + TestAsyncPanZoomController* layer7 = ApzcOf(layers[7]); + TestAsyncPanZoomController* layer9 = ApzcOf(layers[9]); + EXPECT_EQ(nullptr, layers1_2->GetParent()); + EXPECT_EQ(nullptr, layers4_6_8->GetParent()); + EXPECT_EQ(layers4_6_8, layer7->GetParent()); + EXPECT_EQ(nullptr, layer9->GetParent()); + // Ensure the hit-testing tree looks like the layer tree + RefPtr<HitTestingTreeNode> root = manager->GetRootNode(); + RefPtr<HitTestingTreeNode> node5 = root->GetLastChild(); + RefPtr<HitTestingTreeNode> node4 = node5->GetPrevSibling(); + RefPtr<HitTestingTreeNode> node2 = node4->GetPrevSibling(); + RefPtr<HitTestingTreeNode> node1 = node2->GetPrevSibling(); + RefPtr<HitTestingTreeNode> node3 = node2->GetLastChild(); + RefPtr<HitTestingTreeNode> node9 = node5->GetLastChild(); + RefPtr<HitTestingTreeNode> node8 = node9->GetPrevSibling(); + RefPtr<HitTestingTreeNode> node6 = node8->GetPrevSibling(); + RefPtr<HitTestingTreeNode> node7 = node6->GetLastChild(); + EXPECT_EQ(nullptr, node1->GetPrevSibling()); + EXPECT_EQ(nullptr, node3->GetPrevSibling()); + EXPECT_EQ(nullptr, node6->GetPrevSibling()); + EXPECT_EQ(nullptr, node7->GetPrevSibling()); + EXPECT_EQ(nullptr, node1->GetLastChild()); + EXPECT_EQ(nullptr, node3->GetLastChild()); + EXPECT_EQ(nullptr, node4->GetLastChild()); + EXPECT_EQ(nullptr, node7->GetLastChild()); + EXPECT_EQ(nullptr, node8->GetLastChild()); + EXPECT_EQ(nullptr, node9->GetLastChild()); + + // Assertions about hit-testing have been ported to mochitest, + // in helper_hittest_bug1730606-4.html. +} + +TEST_F(APZHitTestingTester, TestRepaintFlushOnNewInputBlock) { + // The main purpose of this test is to verify that touch-start events (or + // anything that starts a new input block) don't ever get untransformed. This + // should always hold because the APZ code should flush repaints when we start + // a new input block and the transform to gecko space should be empty. + + CreateSimpleScrollingLayer(); + ScopedLayerTreeRegistration registration(LayersId{0}, mcc); + UpdateHitTestingTree(); + RefPtr<TestAsyncPanZoomController> apzcroot = ApzcOf(root); + + // At this point, the following holds (all coordinates in screen pixels): + // layers[0] has content from (0,0)-(500,500), clipped by composition bounds + // (0,0)-(200,200) + + MockFunction<void(std::string checkPointName)> check; + + { + InSequence s; + + EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(AtLeast(1)); + EXPECT_CALL(check, Call("post-first-touch-start")); + EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(AtLeast(1)); + EXPECT_CALL(check, Call("post-second-fling")); + EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(AtLeast(1)); + EXPECT_CALL(check, Call("post-second-touch-start")); + } + + // This first pan will move the APZC by 50 pixels, and dispatch a paint + // request. + Pan(apzcroot, 100, 50, PanOptions::NoFling); + + // Verify that a touch start doesn't get untransformed + ScreenIntPoint touchPoint(50, 50); + MultiTouchInput mti = + CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_START, mcc->Time()); + mti.mTouches.AppendElement( + SingleTouchData(0, touchPoint, ScreenSize(0, 0), 0, 0)); + + EXPECT_EQ(nsEventStatus_eConsumeDoDefault, + manager->ReceiveInputEvent(mti).GetStatus()); + EXPECT_EQ(touchPoint, mti.mTouches[0].mScreenPoint); + check.Call("post-first-touch-start"); + + // Send a touchend to clear state + mti.mType = MultiTouchInput::MULTITOUCH_END; + manager->ReceiveInputEvent(mti); + + mcc->AdvanceByMillis(1000); + + // Now do two pans. The first of these will dispatch a repaint request, as + // above. The second will get stuck in the paint throttler because the first + // one doesn't get marked as "completed", so this will result in a non-empty + // LD transform. (Note that any outstanding repaint requests from the first + // half of this test don't impact this half because we advance the time by 1 + // second, which will trigger the max-wait-exceeded codepath in the paint + // throttler). + Pan(apzcroot, 100, 50, PanOptions::NoFling); + check.Call("post-second-fling"); + Pan(apzcroot, 100, 50, PanOptions::NoFling); + + // Ensure that a touch start again doesn't get untransformed by flushing + // a repaint + mti.mType = MultiTouchInput::MULTITOUCH_START; + EXPECT_EQ(nsEventStatus_eConsumeDoDefault, + manager->ReceiveInputEvent(mti).GetStatus()); + EXPECT_EQ(touchPoint, mti.mTouches[0].mScreenPoint); + check.Call("post-second-touch-start"); + + mti.mType = MultiTouchInput::MULTITOUCH_END; + EXPECT_EQ(nsEventStatus_eConsumeDoDefault, + manager->ReceiveInputEvent(mti).GetStatus()); + EXPECT_EQ(touchPoint, mti.mTouches[0].mScreenPoint); +} + +TEST_F(APZHitTestingTester, TestRepaintFlushOnWheelEvents) { + // The purpose of this test is to ensure that wheel events trigger a repaint + // flush as per bug 1166871, and that the wheel event untransform is a no-op. + + CreateSimpleScrollingLayer(); + ScopedLayerTreeRegistration registration(LayersId{0}, mcc); + UpdateHitTestingTree(); + TestAsyncPanZoomController* apzcroot = ApzcOf(root); + + EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(AtLeast(3)); + ScreenPoint origin(100, 50); + for (int i = 0; i < 3; i++) { + ScrollWheelInput swi(mcc->Time(), 0, ScrollWheelInput::SCROLLMODE_INSTANT, + ScrollWheelInput::SCROLLDELTA_PIXEL, origin, 0, 10, + false, WheelDeltaAdjustmentStrategy::eNone); + EXPECT_EQ(nsEventStatus_eConsumeDoDefault, + manager->ReceiveInputEvent(swi).GetStatus()); + EXPECT_EQ(origin, swi.mOrigin); + + AsyncTransform viewTransform; + ParentLayerPoint point; + apzcroot->SampleContentTransformForFrame(&viewTransform, point); + EXPECT_EQ(0, point.x); + EXPECT_EQ((i + 1) * 10, point.y); + EXPECT_EQ(0, viewTransform.mTranslation.x); + EXPECT_EQ((i + 1) * -10, viewTransform.mTranslation.y); + + mcc->AdvanceByMillis(5); + } +} + +TEST_F(APZHitTestingTester, TestForceDisableApz) { + CreateSimpleScrollingLayer(); + ScopedLayerTreeRegistration registration(LayersId{0}, mcc); + UpdateHitTestingTree(); + DisableApzOn(root); + TestAsyncPanZoomController* apzcroot = ApzcOf(root); + + ScreenPoint origin(100, 50); + ScrollWheelInput swi(mcc->Time(), 0, ScrollWheelInput::SCROLLMODE_INSTANT, + ScrollWheelInput::SCROLLDELTA_PIXEL, origin, 0, 10, + false, WheelDeltaAdjustmentStrategy::eNone); + EXPECT_EQ(nsEventStatus_eConsumeDoDefault, + manager->ReceiveInputEvent(swi).GetStatus()); + EXPECT_EQ(origin, swi.mOrigin); + + AsyncTransform viewTransform; + ParentLayerPoint point; + apzcroot->SampleContentTransformForFrame(&viewTransform, point); + // Since APZ is force-disabled, we expect to see the async transform via + // the NORMAL AsyncMode, but not via the RESPECT_FORCE_DISABLE AsyncMode. + EXPECT_EQ(0, point.x); + EXPECT_EQ(10, point.y); + EXPECT_EQ(0, viewTransform.mTranslation.x); + EXPECT_EQ(-10, viewTransform.mTranslation.y); + viewTransform = apzcroot->GetCurrentAsyncTransform( + AsyncPanZoomController::eForCompositing); + point = apzcroot->GetCurrentAsyncScrollOffset( + AsyncPanZoomController::eForCompositing); + EXPECT_EQ(0, point.x); + EXPECT_EQ(0, point.y); + EXPECT_EQ(0, viewTransform.mTranslation.x); + EXPECT_EQ(0, viewTransform.mTranslation.y); + + mcc->AdvanceByMillis(10); + + // With untransforming events we should get normal behaviour (in this case, + // no noticeable untransform, because the repaint request already got + // flushed). + swi = ScrollWheelInput(mcc->Time(), 0, ScrollWheelInput::SCROLLMODE_INSTANT, + ScrollWheelInput::SCROLLDELTA_PIXEL, origin, 0, 0, + false, WheelDeltaAdjustmentStrategy::eNone); + EXPECT_EQ(nsEventStatus_eConsumeDoDefault, + manager->ReceiveInputEvent(swi).GetStatus()); + EXPECT_EQ(origin, swi.mOrigin); +} + +TEST_F(APZHitTestingTester, Bug1148350) { + CreateBug1148350LayerTree(); + ScopedLayerTreeRegistration registration(LayersId{0}, mcc); + UpdateHitTestingTree(); + + MockFunction<void(std::string checkPointName)> check; + { + InSequence s; + EXPECT_CALL(*mcc, + HandleTap(TapType::eSingleTap, LayoutDevicePoint(100, 100), 0, + ApzcOf(layers[1])->GetGuid(), _)) + .Times(1); + EXPECT_CALL(check, Call("Tapped without transform")); + EXPECT_CALL(*mcc, + HandleTap(TapType::eSingleTap, LayoutDevicePoint(100, 100), 0, + ApzcOf(layers[1])->GetGuid(), _)) + .Times(1); + EXPECT_CALL(check, Call("Tapped with interleaved transform")); + } + + Tap(manager, ScreenIntPoint(100, 100), TimeDuration::FromMilliseconds(100)); + mcc->RunThroughDelayedTasks(); + check.Call("Tapped without transform"); + + uint64_t blockId = + TouchDown(manager, ScreenIntPoint(100, 100), mcc->Time()).mInputBlockId; + SetDefaultAllowedTouchBehavior(manager, blockId); + mcc->AdvanceByMillis(100); + + layers[0]->SetVisibleRegion(LayerIntRegion(LayerIntRect(0, 50, 200, 150))); + layers[0]->SetTransform(Matrix4x4::Translation(0, 50, 0)); + UpdateHitTestingTree(); + + TouchUp(manager, ScreenIntPoint(100, 100), mcc->Time()); + mcc->RunThroughDelayedTasks(); + check.Call("Tapped with interleaved transform"); +} |