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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "cc/CCLayerImpl.h"
#include "cc/CCSingleThreadProxy.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <public/WebFilterOperation.h>
#include <public/WebFilterOperations.h>
using namespace WebKit;
using namespace WebCore;
namespace {
#define EXECUTE_AND_VERIFY_SUBTREE_CHANGED(codeToTest) \
root->resetAllChangeTrackingForSubtree(); \
codeToTest; \
EXPECT_TRUE(root->layerPropertyChanged()); \
EXPECT_TRUE(child->layerPropertyChanged()); \
EXPECT_TRUE(grandChild->layerPropertyChanged()); \
EXPECT_FALSE(root->layerSurfacePropertyChanged())
#define EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(codeToTest) \
root->resetAllChangeTrackingForSubtree(); \
codeToTest; \
EXPECT_FALSE(root->layerPropertyChanged()); \
EXPECT_FALSE(child->layerPropertyChanged()); \
EXPECT_FALSE(grandChild->layerPropertyChanged()); \
EXPECT_FALSE(root->layerSurfacePropertyChanged())
#define EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(codeToTest) \
root->resetAllChangeTrackingForSubtree(); \
codeToTest; \
EXPECT_TRUE(root->layerPropertyChanged()); \
EXPECT_FALSE(child->layerPropertyChanged()); \
EXPECT_FALSE(grandChild->layerPropertyChanged()); \
EXPECT_FALSE(root->layerSurfacePropertyChanged())
#define EXECUTE_AND_VERIFY_ONLY_SURFACE_CHANGED(codeToTest) \
root->resetAllChangeTrackingForSubtree(); \
codeToTest; \
EXPECT_FALSE(root->layerPropertyChanged()); \
EXPECT_FALSE(child->layerPropertyChanged()); \
EXPECT_FALSE(grandChild->layerPropertyChanged()); \
EXPECT_TRUE(root->layerSurfacePropertyChanged())
TEST(CCLayerImplTest, verifyLayerChangesAreTrackedProperly)
{
//
// This test checks that layerPropertyChanged() has the correct behavior.
//
// The constructor on this will fake that we are on the correct thread.
DebugScopedSetImplThread setImplThread;
// Create a simple CCLayerImpl tree:
OwnPtr<CCLayerImpl> root = CCLayerImpl::create(1);
root->addChild(CCLayerImpl::create(2));
CCLayerImpl* child = root->children()[0].get();
child->addChild(CCLayerImpl::create(3));
CCLayerImpl* grandChild = child->children()[0].get();
// Adding children is an internal operation and should not mark layers as changed.
EXPECT_FALSE(root->layerPropertyChanged());
EXPECT_FALSE(child->layerPropertyChanged());
EXPECT_FALSE(grandChild->layerPropertyChanged());
FloatPoint arbitraryFloatPoint = FloatPoint(0.125f, 0.25f);
float arbitraryNumber = 0.352f;
IntSize arbitraryIntSize = IntSize(111, 222);
IntPoint arbitraryIntPoint = IntPoint(333, 444);
IntRect arbitraryIntRect = IntRect(arbitraryIntPoint, arbitraryIntSize);
FloatRect arbitraryFloatRect = FloatRect(arbitraryFloatPoint, FloatSize(1.234f, 5.678f));
SkColor arbitraryColor = SkColorSetRGB(10, 20, 30);
WebTransformationMatrix arbitraryTransform;
arbitraryTransform.scale3d(0.1, 0.2, 0.3);
WebFilterOperations arbitraryFilters;
arbitraryFilters.append(WebFilterOperation::createOpacityFilter(0.5));
// These properties are internal, and should not be considered "change" when they are used.
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setUseLCDText(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDrawOpacity(arbitraryNumber));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setRenderTarget(0));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDrawTransform(arbitraryTransform));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setScreenSpaceTransform(arbitraryTransform));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDrawableContentRect(arbitraryIntRect));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setUpdateRect(arbitraryFloatRect));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setVisibleContentRect(arbitraryIntRect));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setMaxScrollPosition(arbitraryIntSize));
// Changing these properties affects the entire subtree of layers.
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setAnchorPoint(arbitraryFloatPoint));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setAnchorPointZ(arbitraryNumber));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setFilters(arbitraryFilters));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setMaskLayer(CCLayerImpl::create(4)));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setMasksToBounds(true));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setOpaque(true));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setReplicaLayer(CCLayerImpl::create(5)));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setPosition(arbitraryFloatPoint));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setPreserves3D(true));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setDoubleSided(false)); // constructor initializes it to "true".
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->scrollBy(arbitraryIntSize));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setScrollDelta(IntSize()));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setScrollPosition(arbitraryIntPoint));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setPageScaleDelta(arbitraryNumber));
// Changing these properties only affects the layer itself.
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setContentBounds(arbitraryIntSize));
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setDebugBorderColor(arbitraryColor));
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setDebugBorderWidth(arbitraryNumber));
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setDrawsContent(true));
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setBackgroundColor(SK_ColorGRAY));
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setBackgroundFilters(arbitraryFilters));
// Changing these properties only affects how render surface is drawn
EXECUTE_AND_VERIFY_ONLY_SURFACE_CHANGED(root->setOpacity(arbitraryNumber));
EXECUTE_AND_VERIFY_ONLY_SURFACE_CHANGED(root->setTransform(arbitraryTransform));
// Special case: check that sublayer transform changes all layer's descendants, but not the layer itself.
root->resetAllChangeTrackingForSubtree();
root->setSublayerTransform(arbitraryTransform);
EXPECT_FALSE(root->layerPropertyChanged());
EXPECT_TRUE(child->layerPropertyChanged());
EXPECT_TRUE(grandChild->layerPropertyChanged());
// Special case: check that setBounds changes behavior depending on masksToBounds.
root->setMasksToBounds(false);
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->setBounds(IntSize(135, 246)));
root->setMasksToBounds(true);
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->setBounds(arbitraryIntSize)); // should be a different size than previous call, to ensure it marks tree changed.
// After setting all these properties already, setting to the exact same values again should
// not cause any change.
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setAnchorPoint(arbitraryFloatPoint));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setAnchorPointZ(arbitraryNumber));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setMasksToBounds(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setPosition(arbitraryFloatPoint));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setPreserves3D(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setTransform(arbitraryTransform));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDoubleSided(false)); // constructor initializes it to "true".
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setScrollDelta(IntSize()));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setScrollPosition(arbitraryIntPoint));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setPageScaleDelta(arbitraryNumber));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setContentBounds(arbitraryIntSize));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setOpaque(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setOpacity(arbitraryNumber));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDebugBorderColor(arbitraryColor));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDebugBorderWidth(arbitraryNumber));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setDrawsContent(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setSublayerTransform(arbitraryTransform));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->setBounds(arbitraryIntSize));
}
} // namespace
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