cc/CCLayerImplTest.cpp

   1 // Copyright 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6
   7 #include "CCLayerImpl.h"
   8
   9 #include "CCSingleThreadProxy.h"
  10 #include "testing/gmock/include/gmock/gmock.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12 #include <public/WebFilterOperation.h>
  13 #include <public/WebFilterOperations.h>
  14
  15 using namespace cc;
  16 using namespace WebKit;
  17
  18 namespace {
  19
  20 #define EXECUTE_AND_VERIFY_SUBTREE_CHANGED(codeToTest)                  \
  21     root->resetAllChangeTrackingForSubtree();                           \
  22     codeToTest;                                                         \
  23     EXPECT_TRUE(root->layerPropertyChanged());                          \
  24     EXPECT_TRUE(child->layerPropertyChanged());                         \
  25     EXPECT_TRUE(grandChild->layerPropertyChanged());                    \
  26     EXPECT_FALSE(root->layerSurfacePropertyChanged())
  27
  28
  29 #define EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(codeToTest)           \
  30     root->resetAllChangeTrackingForSubtree();                           \
  31     codeToTest;                                                         \
  32     EXPECT_FALSE(root->layerPropertyChanged());                         \
  33     EXPECT_FALSE(child->layerPropertyChanged());                        \
  34     EXPECT_FALSE(grandChild->layerPropertyChanged());                   \
  35     EXPECT_FALSE(root->layerSurfacePropertyChanged())
  36
  37 #define EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(codeToTest)               \
  38     root->resetAllChangeTrackingForSubtree();                           \
  39     codeToTest;                                                         \
  40     EXPECT_TRUE(root->layerPropertyChanged());                          \
  41     EXPECT_FALSE(child->layerPropertyChanged());                        \
  42     EXPECT_FALSE(grandChild->layerPropertyChanged());                   \
  43     EXPECT_FALSE(root->layerSurfacePropertyChanged())
  44
  45 #define EXECUTE_AND_VERIFY_ONLY_SURFACE_CHANGED(codeToTest)             \
  46     root->resetAllChangeTrackingForSubtree();                           \
  47     codeToTest;                                                         \
  48     EXPECT_FALSE(root->layerPropertyChanged());                         \
  49     EXPECT_FALSE(child->layerPropertyChanged());                        \
  50     EXPECT_FALSE(grandChild->layerPropertyChanged());                   \
  51     EXPECT_TRUE(root->layerSurfacePropertyChanged())
  52
  53 TEST(CCLayerImplTest, verifyLayerChangesAreTrackedProperly)
  54 {
  55     //
  56     // This test checks that layerPropertyChanged() has the correct behavior.
  57     //
  58
  59     // The constructor on this will fake that we are on the correct thread.
  60     DebugScopedSetImplThread setImplThread;
  61
  62     // Create a simple CCLayerImpl tree:
  63     OwnPtr<CCLayerImpl> root = CCLayerImpl::create(1);
  64     root->addChild(CCLayerImpl::create(2));
  65     CCLayerImpl* child = root->children()[0];
  66     child->addChild(CCLayerImpl::create(3));
  67     CCLayerImpl* grandChild = child->children()[0];
  68
  69     // Adding children is an internal operation and should not mark layers as changed.
  70     EXPECT_FALSE(root->layerPropertyChanged());
  71     EXPECT_FALSE(child->layerPropertyChanged());
  72     EXPECT_FALSE(grandChild->layerPropertyChanged());
  73
  74     FloatPoint arbitraryFloatPoint = FloatPoint(0.125f, 0.25f);
  75     float arbitraryNumber = 0.352f;
  76     IntSize arbitraryIntSize = IntSize(111, 222);
  77     IntPoint arbitraryIntPoint = IntPoint(333, 444);
  78     IntRect arbitraryIntRect = IntRect(arbitraryIntPoint, arbitraryIntSize);
  79     FloatRect arbitraryFloatRect = FloatRect(arbitraryFloatPoint, FloatSize(1.234f, 5.678f));
  80     SkColor arbitraryColor = SkColorSetRGB(10, 20, 30);
  81     WebTransformationMatrix arbitraryTransform;
  82     arbitraryTransform.scale3d(0.1, 0.2, 0.3);
  83     WebFilterOperations arbitraryFilters;
  84     arbitraryFilters.append(WebFilterOperation::createOpacityFilter(0.5));
  85
  86     // These properties are internal, and should not be considered "change" when they are used.
  87     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setUseLCDText(true));
  88     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDrawOpacity(arbitraryNumber));
  89     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setRenderTarget(0));
  90     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDrawTransform(arbitraryTransform));
  91     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setScreenSpaceTransform(arbitraryTransform));
  92     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDrawableContentRect(arbitraryIntRect));
  93     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setUpdateRect(arbitraryFloatRect));
  94     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setVisibleContentRect(arbitraryIntRect));
  95     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setMaxScrollPosition(arbitraryIntSize));
  96
  97     // Changing these properties affects the entire subtree of layers.
  98     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setAnchorPoint(arbitraryFloatPoint));
  99     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setAnchorPointZ(arbitraryNumber));
 100     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setFilters(arbitraryFilters));
 101     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setMaskLayer(CCLayerImpl::create(4)));
 102     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setMasksToBounds(true));
 103     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setContentsOpaque(true));
 104     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setReplicaLayer(CCLayerImpl::create(5)));
 105     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setPosition(arbitraryFloatPoint));
 106     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setPreserves3D(true));
 107     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setDoubleSided(false)); // constructor initializes it to "true".
 108     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->scrollBy(arbitraryIntSize));
 109     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setScrollDelta(IntSize()));
 110     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setScrollPosition(arbitraryIntPoint));
 111     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setImplTransform(arbitraryTransform));
 112
 113     // Changing these properties only affects the layer itself.
 114     EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setContentBounds(arbitraryIntSize));
 115     EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setDebugBorderColor(arbitraryColor));
 116     EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setDebugBorderWidth(arbitraryNumber));
 117     EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setDrawsContent(true));
 118     EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setBackgroundColor(SK_ColorGRAY));
 119     EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setBackgroundFilters(arbitraryFilters));
 120
 121     // Changing these properties only affects how render surface is drawn
 122     EXECUTE_AND_VERIFY_ONLY_SURFACE_CHANGED(root->setOpacity(arbitraryNumber));
 123     EXECUTE_AND_VERIFY_ONLY_SURFACE_CHANGED(root->setTransform(arbitraryTransform));
 124
 125     // Special case: check that sublayer transform changes all layer's descendants, but not the layer itself.
 126     root->resetAllChangeTrackingForSubtree();
 127     root->setSublayerTransform(arbitraryTransform);
 128     EXPECT_FALSE(root->layerPropertyChanged());
 129     EXPECT_TRUE(child->layerPropertyChanged());
 130     EXPECT_TRUE(grandChild->layerPropertyChanged());
 131
 132     // Special case: check that setBounds changes behavior depending on masksToBounds.
 133     root->setMasksToBounds(false);
 134     EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setBounds(IntSize(135, 246)));
 135     root->setMasksToBounds(true);
 136     EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setBounds(arbitraryIntSize)); // should be a different size than previous call, to ensure it marks tree changed.
 137
 138     // After setting all these properties already, setting to the exact same values again should
 139     // not cause any change.
 140     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setAnchorPoint(arbitraryFloatPoint));
 141     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setAnchorPointZ(arbitraryNumber));
 142     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setMasksToBounds(true));
 143     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setPosition(arbitraryFloatPoint));
 144     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setPreserves3D(true));
 145     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setTransform(arbitraryTransform));
 146     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDoubleSided(false)); // constructor initializes it to "true".
 147     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setScrollDelta(IntSize()));
 148     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setScrollPosition(arbitraryIntPoint));
 149     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setImplTransform(arbitraryTransform));
 150     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setContentBounds(arbitraryIntSize));
 151     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setContentsOpaque(true));
 152     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setOpacity(arbitraryNumber));
 153     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDebugBorderColor(arbitraryColor));
 154     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDebugBorderWidth(arbitraryNumber));
 155     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDrawsContent(true));
 156     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setSublayerTransform(arbitraryTransform));
 157     EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setBounds(arbitraryIntSize));
 158 }
 159
 160 } // namespace