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/*
* Copyright (C) 2012 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 "platform/graphics/GraphicsLayer.h"
#include "platform/RuntimeEnabledFeatures.h"
#include "platform/animation/CompositorAnimation.h"
#include "platform/animation/CompositorAnimationHost.h"
#include "platform/animation/CompositorAnimationPlayer.h"
#include "platform/animation/CompositorAnimationPlayerClient.h"
#include "platform/animation/CompositorAnimationTimeline.h"
#include "platform/animation/CompositorFloatAnimationCurve.h"
#include "platform/animation/CompositorTargetProperty.h"
#include "platform/graphics/CompositorElementId.h"
#include "platform/scroll/ScrollableArea.h"
#include "platform/testing/FakeGraphicsLayer.h"
#include "platform/testing/FakeGraphicsLayerClient.h"
#include "platform/testing/WebLayerTreeViewImplForTesting.h"
#include "platform/transforms/Matrix3DTransformOperation.h"
#include "platform/transforms/RotateTransformOperation.h"
#include "platform/transforms/TranslateTransformOperation.h"
#include "public/platform/Platform.h"
#include "public/platform/WebCompositorSupport.h"
#include "public/platform/WebLayer.h"
#include "public/platform/WebLayerTreeView.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "wtf/PtrUtil.h"
#include <memory>
namespace blink {
class GraphicsLayerTest : public testing::Test {
public:
GraphicsLayerTest() {
m_clipLayer = WTF::wrapUnique(new FakeGraphicsLayer(&m_client));
m_scrollElasticityLayer = WTF::wrapUnique(new FakeGraphicsLayer(&m_client));
m_graphicsLayer = WTF::wrapUnique(new FakeGraphicsLayer(&m_client));
m_clipLayer->addChild(m_scrollElasticityLayer.get());
m_scrollElasticityLayer->addChild(m_graphicsLayer.get());
m_graphicsLayer->platformLayer()->setScrollClipLayer(
m_clipLayer->platformLayer());
m_platformLayer = m_graphicsLayer->platformLayer();
m_layerTreeView = WTF::wrapUnique(new WebLayerTreeViewImplForTesting);
ASSERT(m_layerTreeView);
m_layerTreeView->setRootLayer(*m_clipLayer->platformLayer());
m_layerTreeView->registerViewportLayers(
m_scrollElasticityLayer->platformLayer(), m_clipLayer->platformLayer(),
m_graphicsLayer->platformLayer(), 0);
m_layerTreeView->setViewportSize(WebSize(1, 1));
}
~GraphicsLayerTest() override {
m_graphicsLayer.reset();
m_layerTreeView.reset();
}
WebLayerTreeView* layerTreeView() { return m_layerTreeView.get(); }
protected:
WebLayer* m_platformLayer;
std::unique_ptr<FakeGraphicsLayer> m_graphicsLayer;
std::unique_ptr<FakeGraphicsLayer> m_scrollElasticityLayer;
std::unique_ptr<FakeGraphicsLayer> m_clipLayer;
private:
std::unique_ptr<WebLayerTreeView> m_layerTreeView;
FakeGraphicsLayerClient m_client;
};
class AnimationPlayerForTesting : public CompositorAnimationPlayerClient {
public:
AnimationPlayerForTesting() {
m_compositorPlayer = CompositorAnimationPlayer::create();
}
CompositorAnimationPlayer* compositorPlayer() const override {
return m_compositorPlayer.get();
}
std::unique_ptr<CompositorAnimationPlayer> m_compositorPlayer;
};
TEST_F(GraphicsLayerTest, updateLayerShouldFlattenTransformWithAnimations) {
ASSERT_FALSE(m_platformLayer->hasTickingAnimationForTesting());
std::unique_ptr<CompositorFloatAnimationCurve> curve =
CompositorFloatAnimationCurve::create();
curve->addKeyframe(CompositorFloatKeyframe(
0.0, 0.0, *CubicBezierTimingFunction::preset(
CubicBezierTimingFunction::EaseType::EASE)));
std::unique_ptr<CompositorAnimation> floatAnimation(
CompositorAnimation::create(*curve, CompositorTargetProperty::OPACITY, 0,
0));
int animationId = floatAnimation->id();
std::unique_ptr<CompositorAnimationTimeline> compositorTimeline =
CompositorAnimationTimeline::create();
AnimationPlayerForTesting player;
CompositorAnimationHost host(layerTreeView()->compositorAnimationHost());
host.addTimeline(*compositorTimeline);
compositorTimeline->playerAttached(player);
m_platformLayer->setElementId(CompositorElementId(m_platformLayer->id(), 0));
player.compositorPlayer()->attachElement(m_platformLayer->elementId());
ASSERT_TRUE(player.compositorPlayer()->isElementAttached());
player.compositorPlayer()->addAnimation(std::move(floatAnimation));
ASSERT_TRUE(m_platformLayer->hasTickingAnimationForTesting());
m_graphicsLayer->setShouldFlattenTransform(false);
m_platformLayer = m_graphicsLayer->platformLayer();
ASSERT_TRUE(m_platformLayer);
ASSERT_TRUE(m_platformLayer->hasTickingAnimationForTesting());
player.compositorPlayer()->removeAnimation(animationId);
ASSERT_FALSE(m_platformLayer->hasTickingAnimationForTesting());
m_graphicsLayer->setShouldFlattenTransform(true);
m_platformLayer = m_graphicsLayer->platformLayer();
ASSERT_TRUE(m_platformLayer);
ASSERT_FALSE(m_platformLayer->hasTickingAnimationForTesting());
player.compositorPlayer()->detachElement();
ASSERT_FALSE(player.compositorPlayer()->isElementAttached());
compositorTimeline->playerDestroyed(player);
host.removeTimeline(*compositorTimeline.get());
}
class FakeScrollableArea : public GarbageCollectedFinalized<FakeScrollableArea>,
public ScrollableArea {
USING_GARBAGE_COLLECTED_MIXIN(FakeScrollableArea);
public:
static FakeScrollableArea* create() { return new FakeScrollableArea; }
LayoutRect visualRectForScrollbarParts() const override {
return LayoutRect();
}
bool isActive() const override { return false; }
int scrollSize(ScrollbarOrientation) const override { return 100; }
bool isScrollCornerVisible() const override { return false; }
IntRect scrollCornerRect() const override { return IntRect(); }
int visibleWidth() const override { return 10; }
int visibleHeight() const override { return 10; }
IntSize contentsSize() const override { return IntSize(100, 100); }
bool scrollbarsCanBeActive() const override { return false; }
IntRect scrollableAreaBoundingBox() const override { return IntRect(); }
void scrollControlWasSetNeedsPaintInvalidation() override {}
bool userInputScrollable(ScrollbarOrientation) const override { return true; }
bool shouldPlaceVerticalScrollbarOnLeft() const override { return false; }
int pageStep(ScrollbarOrientation) const override { return 0; }
IntSize minimumScrollOffsetInt() const override { return IntSize(); }
IntSize maximumScrollOffsetInt() const override {
return contentsSize() - IntSize(visibleWidth(), visibleHeight());
}
void updateScrollOffset(const ScrollOffset& offset, ScrollType) override {
m_scrollOffset = offset;
}
ScrollOffset getScrollOffset() const override { return m_scrollOffset; }
IntSize scrollOffsetInt() const override {
return flooredIntSize(m_scrollOffset);
}
DEFINE_INLINE_VIRTUAL_TRACE() { ScrollableArea::trace(visitor); }
private:
ScrollOffset m_scrollOffset;
};
TEST_F(GraphicsLayerTest, applyScrollToScrollableArea) {
FakeScrollableArea* scrollableArea = FakeScrollableArea::create();
m_graphicsLayer->setScrollableArea(scrollableArea, false);
WebDoublePoint scrollPosition(7, 9);
m_platformLayer->setScrollPositionDouble(scrollPosition);
m_graphicsLayer->didScroll();
EXPECT_FLOAT_EQ(scrollPosition.x, scrollableArea->getScrollOffset().width());
EXPECT_FLOAT_EQ(scrollPosition.y, scrollableArea->getScrollOffset().height());
}
} // namespace blink
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