102 lines
4.2 KiB
C++
102 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "APZCTreeManagerTester.h"
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#include "APZTestCommon.h"
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#include "InputUtils.h"
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#include "mozilla/StaticPrefs_layout.h"
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class APZCSnappingOnMomentumTesterMock : public APZCTreeManagerTester {
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public:
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APZCSnappingOnMomentumTesterMock() { CreateMockHitTester(); }
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};
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TEST_F(APZCSnappingOnMomentumTesterMock, Snap_On_Momentum) {
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const char* treeShape = "x";
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LayerIntRect layerVisibleRect[] = {
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LayerIntRect(0, 0, 100, 100),
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};
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CreateScrollData(treeShape, layerVisibleRect);
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SetScrollableFrameMetrics(root, ScrollableLayerGuid::START_SCROLL_ID,
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CSSRect(0, 0, 100, 500));
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// Set up some basic scroll snapping
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ScrollSnapInfo snap;
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snap.mScrollSnapStrictnessY = StyleScrollSnapStrictness::Mandatory;
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snap.mSnapportSize =
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CSSSize::ToAppUnits(layerVisibleRect[0].Size() * LayerToCSSScale(1.0));
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snap.mSnapTargets.AppendElement(ScrollSnapInfo::SnapTarget(
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Nothing(), Some(0 * AppUnitsPerCSSPixel()),
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CSSRect::ToAppUnits(CSSRect(0, 0, 10, 10)), StyleScrollSnapStop::Normal,
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ScrollSnapTargetId{1}));
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snap.mSnapTargets.AppendElement(ScrollSnapInfo::SnapTarget(
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Nothing(), Some(100 * AppUnitsPerCSSPixel()),
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CSSRect::ToAppUnits(CSSRect(0, 100, 10, 10)), StyleScrollSnapStop::Normal,
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ScrollSnapTargetId{2}));
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ModifyFrameMetrics(root, [&](ScrollMetadata& aSm, FrameMetrics&) {
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aSm.SetSnapInfo(ScrollSnapInfo(snap));
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});
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UniquePtr<ScopedLayerTreeRegistration> registration =
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MakeUnique<ScopedLayerTreeRegistration>(LayersId{0}, mcc);
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UpdateHitTestingTree();
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RefPtr<TestAsyncPanZoomController> apzc = ApzcOf(root);
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TimeStamp now = mcc->Time();
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QueueMockHitResult(ScrollableLayerGuid::START_SCROLL_ID);
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PanGesture(PanGestureInput::PANGESTURE_START, manager, ScreenIntPoint(50, 80),
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ScreenPoint(0, 2), now);
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mcc->AdvanceByMillis(5);
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apzc->AdvanceAnimations(mcc->GetSampleTime());
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QueueMockHitResult(ScrollableLayerGuid::START_SCROLL_ID);
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PanGesture(PanGestureInput::PANGESTURE_PAN, manager, ScreenIntPoint(50, 80),
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ScreenPoint(0, 25), mcc->Time());
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mcc->AdvanceByMillis(5);
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apzc->AdvanceAnimations(mcc->GetSampleTime());
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QueueMockHitResult(ScrollableLayerGuid::START_SCROLL_ID);
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PanGesture(PanGestureInput::PANGESTURE_PAN, manager, ScreenIntPoint(50, 80),
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ScreenPoint(0, 25), mcc->Time());
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// The velocity should be positive when panning with positive displacement.
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EXPECT_GT(apzc->GetVelocityVector().y, 3.0);
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mcc->AdvanceByMillis(5);
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apzc->AdvanceAnimations(mcc->GetSampleTime());
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QueueMockHitResult(ScrollableLayerGuid::START_SCROLL_ID);
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PanGesture(PanGestureInput::PANGESTURE_END, manager, ScreenIntPoint(50, 80),
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ScreenPoint(0, 0), mcc->Time());
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// After lifting the fingers, the velocity should be zero and a smooth
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// animation should have been triggered for scroll snap.
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EXPECT_EQ(apzc->GetVelocityVector().y, 0);
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apzc->AssertStateIsSmoothMsdScroll();
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mcc->AdvanceByMillis(5);
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apzc->AdvanceAnimations(mcc->GetSampleTime());
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QueueMockHitResult(ScrollableLayerGuid::START_SCROLL_ID);
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PanGesture(PanGestureInput::PANGESTURE_MOMENTUMSTART, manager,
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ScreenIntPoint(50, 80), ScreenPoint(0, 200), mcc->Time());
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mcc->AdvanceByMillis(10);
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apzc->AdvanceAnimations(mcc->GetSampleTime());
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QueueMockHitResult(ScrollableLayerGuid::START_SCROLL_ID);
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PanGesture(PanGestureInput::PANGESTURE_MOMENTUMPAN, manager,
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ScreenIntPoint(50, 80), ScreenPoint(0, 50), mcc->Time());
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mcc->AdvanceByMillis(10);
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apzc->AdvanceAnimations(mcc->GetSampleTime());
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QueueMockHitResult(ScrollableLayerGuid::START_SCROLL_ID);
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PanGesture(PanGestureInput::PANGESTURE_MOMENTUMEND, manager,
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ScreenIntPoint(50, 80), ScreenPoint(0, 0), mcc->Time());
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apzc->AdvanceAnimationsUntilEnd();
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EXPECT_EQ(100.0f, apzc->GetCurrentAsyncScrollOffset(
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AsyncTransformConsumer::eForEventHandling)
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.y);
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}
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