src/third_party/WebKit/Source/platform/graphics/GraphicsLayerTest.cpp

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  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
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  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
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  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