src/third_party/WebKit/Source/web/tests/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 "wtf/PassOwnPtr.h"
  34
  35 #include <gtest/gtest.h>
  36 #include "public/platform/Platform.h"
  37 #include "public/platform/WebCompositorSupport.h"
  38 #include "public/platform/WebFloatAnimationCurve.h"
  39 #include "public/platform/WebGraphicsContext3D.h"
  40 #include "public/platform/WebLayer.h"
  41 #include "public/platform/WebLayerTreeView.h"
  42 #include "public/platform/WebUnitTestSupport.h"
  43
  44 using namespace WebCore;
  45 using namespace blink;
  46
  47 namespace {
  48
  49 class MockGraphicsLayerClient : public GraphicsLayerClient {
  50 public:
  51     virtual void notifyAnimationStarted(const GraphicsLayer*, double wallClockTime, double monotonicTime) OVERRIDE { }
  52     virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const IntRect& inClip) OVERRIDE { }
  53     virtual String debugName(const GraphicsLayer*) OVERRIDE { return String(); }
  54 };
  55
  56 class GraphicsLayerForTesting : public GraphicsLayer {
  57 public:
  58     explicit GraphicsLayerForTesting(GraphicsLayerClient* client)
  59         : GraphicsLayer(client) { };
  60
  61     virtual blink::WebLayer* contentsLayer() const { return GraphicsLayer::contentsLayer(); }
  62 };
  63
  64 class GraphicsLayerTest : public testing::Test {
  65 public:
  66     GraphicsLayerTest()
  67     {
  68         m_clipLayer = adoptPtr(new GraphicsLayerForTesting(&m_client));
  69         m_graphicsLayer = adoptPtr(new GraphicsLayerForTesting(&m_client));
  70         m_clipLayer->addChild(m_graphicsLayer.get());
  71         m_graphicsLayer->platformLayer()->setScrollClipLayer(
  72             m_clipLayer->platformLayer());
  73         m_platformLayer = m_graphicsLayer->platformLayer();
  74         m_layerTreeView = adoptPtr(Platform::current()->unitTestSupport()->createLayerTreeViewForTesting(WebUnitTestSupport::TestViewTypeUnitTest));
  75         ASSERT(m_layerTreeView);
  76         m_layerTreeView->setRootLayer(*m_clipLayer->platformLayer());
  77         m_layerTreeView->registerViewportLayers(
  78             m_clipLayer->platformLayer(), m_graphicsLayer->platformLayer(), 0);
  79         m_layerTreeView->setViewportSize(WebSize(1, 1), WebSize(1, 1));
  80     }
  81
  82     virtual ~GraphicsLayerTest()
  83     {
  84         m_graphicsLayer.clear();
  85         m_layerTreeView.clear();
  86     }
  87
  88 protected:
  89     WebLayer* m_platformLayer;
  90     OwnPtr<GraphicsLayerForTesting> m_graphicsLayer;
  91     OwnPtr<GraphicsLayerForTesting> m_clipLayer;
  92
  93 private:
  94     OwnPtr<WebLayerTreeView> m_layerTreeView;
  95     MockGraphicsLayerClient m_client;
  96 };
  97
  98 TEST_F(GraphicsLayerTest, updateLayerShouldFlattenTransformWithAnimations)
  99 {
 100     ASSERT_FALSE(m_platformLayer->hasActiveAnimation());
 101
 102     OwnPtr<WebFloatAnimationCurve> curve = adoptPtr(Platform::current()->compositorSupport()->createFloatAnimationCurve());
 103     curve->add(WebFloatKeyframe(0.0, 0.0));
 104     OwnPtr<WebAnimation> floatAnimation(adoptPtr(Platform::current()->compositorSupport()->createAnimation(*curve, WebAnimation::TargetPropertyOpacity)));
 105     int animationId = floatAnimation->id();
 106     ASSERT_TRUE(m_platformLayer->addAnimation(floatAnimation.leakPtr()));
 107
 108     ASSERT_TRUE(m_platformLayer->hasActiveAnimation());
 109
 110     m_graphicsLayer->setShouldFlattenTransform(false);
 111
 112     m_platformLayer = m_graphicsLayer->platformLayer();
 113     ASSERT_TRUE(m_platformLayer);
 114
 115     ASSERT_TRUE(m_platformLayer->hasActiveAnimation());
 116     m_platformLayer->removeAnimation(animationId);
 117     ASSERT_FALSE(m_platformLayer->hasActiveAnimation());
 118
 119     m_graphicsLayer->setShouldFlattenTransform(true);
 120
 121     m_platformLayer = m_graphicsLayer->platformLayer();
 122     ASSERT_TRUE(m_platformLayer);
 123
 124     ASSERT_FALSE(m_platformLayer->hasActiveAnimation());
 125 }
 126
 127 class FakeScrollableArea : public ScrollableArea {
 128 public:
 129     virtual bool isActive() const OVERRIDE { return false; }
 130     virtual int scrollSize(ScrollbarOrientation) const OVERRIDE { return 100; }
 131     virtual bool isScrollCornerVisible() const OVERRIDE { return false; }
 132     virtual IntRect scrollCornerRect() const OVERRIDE { return IntRect(); }
 133     virtual int visibleWidth() const OVERRIDE { return 10; }
 134     virtual int visibleHeight() const OVERRIDE { return 10; }
 135     virtual IntSize contentsSize() const OVERRIDE { return IntSize(100, 100); }
 136     virtual bool scrollbarsCanBeActive() const OVERRIDE { return false; }
 137     virtual ScrollableArea* enclosingScrollableArea() const OVERRIDE { return 0; }
 138     virtual IntRect scrollableAreaBoundingBox() const OVERRIDE { return IntRect(); }
 139     virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&) OVERRIDE { }
 140     virtual void invalidateScrollCornerRect(const IntRect&) OVERRIDE { }
 141     virtual bool userInputScrollable(ScrollbarOrientation) const OVERRIDE { return true; }
 142     virtual bool shouldPlaceVerticalScrollbarOnLeft() const OVERRIDE { return false; }
 143     virtual int pageStep(ScrollbarOrientation) const OVERRIDE { return 0; }
 144     virtual IntPoint minimumScrollPosition() const OVERRIDE { return IntPoint(); }
 145     virtual IntPoint maximumScrollPosition() const OVERRIDE
 146     {
 147         return IntPoint(contentsSize().width() - visibleWidth(), contentsSize().height() - visibleHeight());
 148     }
 149
 150     virtual void setScrollOffset(const IntPoint& scrollOffset) OVERRIDE { m_scrollPosition = scrollOffset; }
 151     virtual IntPoint scrollPosition() const OVERRIDE { return m_scrollPosition; }
 152
 153 private:
 154     IntPoint m_scrollPosition;
 155 };
 156
 157 TEST_F(GraphicsLayerTest, applyScrollToScrollableArea)
 158 {
 159     FakeScrollableArea scrollableArea;
 160     m_graphicsLayer->setScrollableArea(&scrollableArea, false);
 161
 162     WebPoint scrollPosition(7, 9);
 163     m_platformLayer->setScrollPosition(scrollPosition);
 164     m_graphicsLayer->didScroll();
 165
 166     EXPECT_EQ(scrollPosition, WebPoint(scrollableArea.scrollPosition()));
 167 }
 168
 169 TEST_F(GraphicsLayerTest, DISABLED_setContentsToSolidColor)
 170 {
 171     m_graphicsLayer->setContentsToSolidColor(Color::transparent);
 172     EXPECT_FALSE(m_graphicsLayer->contentsLayer());
 173
 174     m_graphicsLayer->setContentsToSolidColor(Color::white);
 175     EXPECT_TRUE(m_graphicsLayer->contentsLayer());
 176
 177     m_graphicsLayer->setContentsToSolidColor(Color());
 178     EXPECT_FALSE(m_graphicsLayer->contentsLayer());
 179 }
 180
 181 } // namespace