1 /* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #include "config.h" 26 27 #include "platform/graphics/GraphicsLayer.h" 28 29 #include "platform/scroll/ScrollableArea.h" 30 #include "platform/transforms/Matrix3DTransformOperation.h" 31 #include "platform/transforms/RotateTransformOperation.h" 32 #include "platform/transforms/TranslateTransformOperation.h" 33 #include "public/platform/Platform.h" 34 #include "public/platform/WebCompositorSupport.h" 35 #include "public/platform/WebFloatAnimationCurve.h" 36 #include "public/platform/WebGraphicsContext3D.h" 37 #include "public/platform/WebLayer.h" 38 #include "public/platform/WebLayerTreeView.h" 39 #include "public/platform/WebUnitTestSupport.h" 40 #include "wtf/PassOwnPtr.h" 41 42 #include <gtest/gtest.h> 43 44 using namespace blink; 45 46 namespace { 47 48 class MockGraphicsLayerClient : public GraphicsLayerClient { 49 public: 50 virtual void notifyAnimationStarted(const GraphicsLayer*, double monotonicTime) OVERRIDE { } 51 virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const IntRect& inClip) OVERRIDE { } 52 virtual String debugName(const GraphicsLayer*) OVERRIDE { return String(); } 53 }; 54 55 class GraphicsLayerForTesting : public GraphicsLayer { 56 public: 57 explicit GraphicsLayerForTesting(GraphicsLayerClient* client) 58 : GraphicsLayer(client) { }; 59 60 virtual WebLayer* contentsLayer() const { return GraphicsLayer::contentsLayer(); } 61 }; 62 63 class GraphicsLayerTest : public testing::Test { 64 public: 65 GraphicsLayerTest() 66 { 67 m_clipLayer = adoptPtr(new GraphicsLayerForTesting(&m_client)); 68 m_graphicsLayer = adoptPtr(new GraphicsLayerForTesting(&m_client)); 69 m_clipLayer->addChild(m_graphicsLayer.get()); 70 m_graphicsLayer->platformLayer()->setScrollClipLayer( 71 m_clipLayer->platformLayer()); 72 m_platformLayer = m_graphicsLayer->platformLayer(); 73 m_layerTreeView = adoptPtr(Platform::current()->unitTestSupport()->createLayerTreeViewForTesting()); 74 ASSERT(m_layerTreeView); 75 m_layerTreeView->setRootLayer(*m_clipLayer->platformLayer()); 76 m_layerTreeView->registerViewportLayers( 77 m_clipLayer->platformLayer(), m_graphicsLayer->platformLayer(), 0); 78 m_layerTreeView->setViewportSize(WebSize(1, 1)); 79 } 80 81 virtual ~GraphicsLayerTest() 82 { 83 m_graphicsLayer.clear(); 84 m_layerTreeView.clear(); 85 } 86 87 protected: 88 WebLayer* m_platformLayer; 89 OwnPtr<GraphicsLayerForTesting> m_graphicsLayer; 90 OwnPtr<GraphicsLayerForTesting> m_clipLayer; 91 92 private: 93 OwnPtr<WebLayerTreeView> m_layerTreeView; 94 MockGraphicsLayerClient m_client; 95 }; 96 97 TEST_F(GraphicsLayerTest, updateLayerShouldFlattenTransformWithAnimations) 98 { 99 ASSERT_FALSE(m_platformLayer->hasActiveAnimation()); 100 101 OwnPtr<WebFloatAnimationCurve> curve = adoptPtr(Platform::current()->compositorSupport()->createFloatAnimationCurve()); 102 curve->add(WebFloatKeyframe(0.0, 0.0)); 103 OwnPtr<WebCompositorAnimation> floatAnimation(adoptPtr(Platform::current()->compositorSupport()->createAnimation(*curve, WebCompositorAnimation::TargetPropertyOpacity))); 104 int animationId = floatAnimation->id(); 105 ASSERT_TRUE(m_platformLayer->addAnimation(floatAnimation.leakPtr())); 106 107 ASSERT_TRUE(m_platformLayer->hasActiveAnimation()); 108 109 m_graphicsLayer->setShouldFlattenTransform(false); 110 111 m_platformLayer = m_graphicsLayer->platformLayer(); 112 ASSERT_TRUE(m_platformLayer); 113 114 ASSERT_TRUE(m_platformLayer->hasActiveAnimation()); 115 m_platformLayer->removeAnimation(animationId); 116 ASSERT_FALSE(m_platformLayer->hasActiveAnimation()); 117 118 m_graphicsLayer->setShouldFlattenTransform(true); 119 120 m_platformLayer = m_graphicsLayer->platformLayer(); 121 ASSERT_TRUE(m_platformLayer); 122 123 ASSERT_FALSE(m_platformLayer->hasActiveAnimation()); 124 } 125 126 class FakeScrollableArea : public ScrollableArea { 127 public: 128 virtual bool isActive() const OVERRIDE { return false; } 129 virtual int scrollSize(ScrollbarOrientation) const OVERRIDE { return 100; } 130 virtual bool isScrollCornerVisible() const OVERRIDE { return false; } 131 virtual IntRect scrollCornerRect() const OVERRIDE { return IntRect(); } 132 virtual int visibleWidth() const OVERRIDE { return 10; } 133 virtual int visibleHeight() const OVERRIDE { return 10; } 134 virtual IntSize contentsSize() const OVERRIDE { return IntSize(100, 100); } 135 virtual bool scrollbarsCanBeActive() const OVERRIDE { return false; } 136 virtual IntRect scrollableAreaBoundingBox() const OVERRIDE { return IntRect(); } 137 virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&) OVERRIDE { } 138 virtual void invalidateScrollCornerRect(const IntRect&) OVERRIDE { } 139 virtual bool userInputScrollable(ScrollbarOrientation) const OVERRIDE { return true; } 140 virtual bool shouldPlaceVerticalScrollbarOnLeft() const OVERRIDE { return false; } 141 virtual int pageStep(ScrollbarOrientation) const OVERRIDE { return 0; } 142 virtual IntPoint minimumScrollPosition() const OVERRIDE { return IntPoint(); } 143 virtual IntPoint maximumScrollPosition() const OVERRIDE 144 { 145 return IntPoint(contentsSize().width() - visibleWidth(), contentsSize().height() - visibleHeight()); 146 } 147 148 virtual void setScrollOffset(const IntPoint& scrollOffset) OVERRIDE { m_scrollPosition = scrollOffset; } 149 virtual IntPoint scrollPosition() const OVERRIDE { return m_scrollPosition; } 150 151 private: 152 IntPoint m_scrollPosition; 153 }; 154 155 TEST_F(GraphicsLayerTest, applyScrollToScrollableArea) 156 { 157 FakeScrollableArea scrollableArea; 158 m_graphicsLayer->setScrollableArea(&scrollableArea, false); 159 160 WebPoint scrollPosition(7, 9); 161 m_platformLayer->setScrollPosition(scrollPosition); 162 m_graphicsLayer->didScroll(); 163 164 EXPECT_EQ(scrollPosition, WebPoint(scrollableArea.scrollPosition())); 165 } 166 167 } // namespace 168