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Unified Diff: Source/WebCore/platform/graphics/clutter/GraphicsLayerClutter.cpp

Issue 13724012: Remove Cairo support. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 8 months ago
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Index: Source/WebCore/platform/graphics/clutter/GraphicsLayerClutter.cpp
diff --git a/Source/WebCore/platform/graphics/clutter/GraphicsLayerClutter.cpp b/Source/WebCore/platform/graphics/clutter/GraphicsLayerClutter.cpp
deleted file mode 100644
index 31b17df2c373dc4860cd9b750f486afc9dba0576..0000000000000000000000000000000000000000
--- a/Source/WebCore/platform/graphics/clutter/GraphicsLayerClutter.cpp
+++ /dev/null
@@ -1,1242 +0,0 @@
-/*
- * Copyright (C) 2010 Apple Inc. All rights reserved.
- * Copyright (C) 2011, 2012, 2013 Collabora Ltd.
- * Copyright (C) 2012 Intel Corporation. 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. ``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 COMPUTER, INC. OR
- * 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"
-
-#if USE(ACCELERATED_COMPOSITING)
-#include "GraphicsLayerClutter.h"
-
-#include "Animation.h"
-#include "FloatConversion.h"
-#include "FloatRect.h"
-#include "GraphicsLayerActor.h"
-#include "GraphicsLayerFactory.h"
-#include "NotImplemented.h"
-#include "RefPtrCairo.h"
-#include "RotateTransformOperation.h"
-#include "ScaleTransformOperation.h"
-#include "TransformState.h"
-#include "TransformationMatrix.h"
-#include "TranslateTransformOperation.h"
-#include <limits.h>
-#include <wtf/text/CString.h>
-#include <wtf/text/WTFString.h>
-
-using namespace std;
-
-namespace WebCore {
-
-// If we send a duration of 0 to ClutterTimeline, then it will fail to set the duration.
-// So send a very small value instead.
-static const float cAnimationAlmostZeroDuration = 1e-3f;
-
-static bool isTransformTypeTransformationMatrix(TransformOperation::OperationType transformType)
-{
- switch (transformType) {
- case TransformOperation::SKEW_X:
- case TransformOperation::SKEW_Y:
- case TransformOperation::SKEW:
- case TransformOperation::MATRIX:
- case TransformOperation::ROTATE_3D:
- case TransformOperation::MATRIX_3D:
- case TransformOperation::PERSPECTIVE:
- case TransformOperation::IDENTITY:
- case TransformOperation::NONE:
- return true;
- default:
- return false;
- }
-}
-
-static bool isTransformTypeFloatPoint3D(TransformOperation::OperationType transformType)
-{
- switch (transformType) {
- case TransformOperation::SCALE:
- case TransformOperation::SCALE_3D:
- case TransformOperation::TRANSLATE:
- case TransformOperation::TRANSLATE_3D:
- return true;
- default:
- return false;
- }
-}
-
-static bool isTransformTypeNumber(TransformOperation::OperationType transformType)
-{
- return !isTransformTypeTransformationMatrix(transformType) && !isTransformTypeFloatPoint3D(transformType);
-}
-
-static void getTransformFunctionValue(const TransformOperation* transformOp, TransformOperation::OperationType transformType, const IntSize& size, float& value)
-{
- switch (transformType) {
- case TransformOperation::ROTATE:
- case TransformOperation::ROTATE_X:
- case TransformOperation::ROTATE_Y:
- value = transformOp ? narrowPrecisionToFloat(deg2rad(static_cast<const RotateTransformOperation*>(transformOp)->angle())) : 0;
- break;
- case TransformOperation::SCALE_X:
- value = transformOp ? narrowPrecisionToFloat(static_cast<const ScaleTransformOperation*>(transformOp)->x()) : 1;
- break;
- case TransformOperation::SCALE_Y:
- value = transformOp ? narrowPrecisionToFloat(static_cast<const ScaleTransformOperation*>(transformOp)->y()) : 1;
- break;
- case TransformOperation::SCALE_Z:
- value = transformOp ? narrowPrecisionToFloat(static_cast<const ScaleTransformOperation*>(transformOp)->z()) : 1;
- break;
- case TransformOperation::TRANSLATE_X:
- value = transformOp ? narrowPrecisionToFloat(static_cast<const TranslateTransformOperation*>(transformOp)->x(size)) : 0;
- break;
- case TransformOperation::TRANSLATE_Y:
- value = transformOp ? narrowPrecisionToFloat(static_cast<const TranslateTransformOperation*>(transformOp)->y(size)) : 0;
- break;
- case TransformOperation::TRANSLATE_Z:
- value = transformOp ? narrowPrecisionToFloat(static_cast<const TranslateTransformOperation*>(transformOp)->z(size)) : 0;
- break;
- default:
- break;
- }
-}
-
-static void getTransformFunctionValue(const TransformOperation* transformOp, TransformOperation::OperationType transformType, const IntSize& size, FloatPoint3D& value)
-{
- switch (transformType) {
- case TransformOperation::SCALE:
- case TransformOperation::SCALE_3D:
- value.setX(transformOp ? narrowPrecisionToFloat(static_cast<const ScaleTransformOperation*>(transformOp)->x()) : 1);
- value.setY(transformOp ? narrowPrecisionToFloat(static_cast<const ScaleTransformOperation*>(transformOp)->y()) : 1);
- value.setZ(transformOp ? narrowPrecisionToFloat(static_cast<const ScaleTransformOperation*>(transformOp)->z()) : 1);
- break;
- case TransformOperation::TRANSLATE:
- case TransformOperation::TRANSLATE_3D:
- value.setX(transformOp ? narrowPrecisionToFloat(static_cast<const TranslateTransformOperation*>(transformOp)->x(size)) : 0);
- value.setY(transformOp ? narrowPrecisionToFloat(static_cast<const TranslateTransformOperation*>(transformOp)->y(size)) : 0);
- value.setZ(transformOp ? narrowPrecisionToFloat(static_cast<const TranslateTransformOperation*>(transformOp)->z(size)) : 0);
- break;
- default:
- break;
- }
-}
-
-static void getTransformFunctionValue(const TransformOperation* transformOp, TransformOperation::OperationType transformType, const IntSize& size, TransformationMatrix& value)
-{
- switch (transformType) {
- case TransformOperation::SKEW_X:
- case TransformOperation::SKEW_Y:
- case TransformOperation::SKEW:
- case TransformOperation::MATRIX:
- case TransformOperation::ROTATE_3D:
- case TransformOperation::MATRIX_3D:
- case TransformOperation::PERSPECTIVE:
- case TransformOperation::IDENTITY:
- case TransformOperation::NONE:
- if (transformOp)
- transformOp->apply(value, size);
- else
- value.makeIdentity();
- break;
- default:
- break;
- }
-}
-
-static PlatformClutterAnimation::ValueFunctionType getValueFunctionNameForTransformOperation(TransformOperation::OperationType transformType)
-{
- // Use literal strings to avoid link-time dependency on those symbols.
- switch (transformType) {
- case TransformOperation::ROTATE_X:
- return PlatformClutterAnimation::RotateX;
- case TransformOperation::ROTATE_Y:
- return PlatformClutterAnimation::RotateY;
- case TransformOperation::ROTATE:
- return PlatformClutterAnimation::RotateZ;
- case TransformOperation::SCALE_X:
- return PlatformClutterAnimation::ScaleX;
- case TransformOperation::SCALE_Y:
- return PlatformClutterAnimation::ScaleY;
- case TransformOperation::SCALE_Z:
- return PlatformClutterAnimation::ScaleZ;
- case TransformOperation::TRANSLATE_X:
- return PlatformClutterAnimation::TranslateX;
- case TransformOperation::TRANSLATE_Y:
- return PlatformClutterAnimation::TranslateY;
- case TransformOperation::TRANSLATE_Z:
- return PlatformClutterAnimation::TranslateZ;
- case TransformOperation::SCALE:
- case TransformOperation::SCALE_3D:
- return PlatformClutterAnimation::Scale;
- case TransformOperation::TRANSLATE:
- case TransformOperation::TRANSLATE_3D:
- return PlatformClutterAnimation::Translate;
- case TransformOperation::MATRIX_3D:
- return PlatformClutterAnimation::Matrix;
- default:
- return PlatformClutterAnimation::NoValueFunction;
- }
-}
-
-static String propertyIdToString(AnimatedPropertyID property)
-{
- switch (property) {
- case AnimatedPropertyWebkitTransform:
- return "transform";
- case AnimatedPropertyOpacity:
- return "opacity";
- case AnimatedPropertyBackgroundColor:
- return "backgroundColor";
- case AnimatedPropertyWebkitFilter:
- ASSERT_NOT_REACHED();
- case AnimatedPropertyInvalid:
- ASSERT_NOT_REACHED();
- }
- ASSERT_NOT_REACHED();
- return "";
-}
-
-static String animationIdentifier(const String& animationName, AnimatedPropertyID property, int index)
-{
- return animationName + '_' + String::number(property) + '_' + String::number(index);
-}
-
-static bool animationHasStepsTimingFunction(const KeyframeValueList& valueList, const Animation* anim)
-{
- if (anim->timingFunction()->isStepsTimingFunction())
- return true;
-
- for (unsigned i = 0; i < valueList.size(); ++i) {
- const TimingFunction* timingFunction = valueList.at(i)->timingFunction();
- if (timingFunction && timingFunction->isStepsTimingFunction())
- return true;
- }
-
- return false;
-}
-
-// This is the hook for WebCore compositor to know that the webKit clutter port implements
-// compositing with GraphicsLayerClutter.
-PassOwnPtr<GraphicsLayer> GraphicsLayer::create(GraphicsLayerFactory* factory, GraphicsLayerClient* client)
-{
- if (!factory)
- return adoptPtr(new GraphicsLayerClutter(client));
-
- return factory->createGraphicsLayer(client);
-}
-
-PassOwnPtr<GraphicsLayer> GraphicsLayer::create(GraphicsLayerClient* client)
-{
- return adoptPtr(new GraphicsLayerClutter(client));
-}
-
-GraphicsLayerClutter::GraphicsLayerClutter(GraphicsLayerClient* client)
- : GraphicsLayer(client)
- , m_uncommittedChanges(0)
-{
- // ClutterRectangle will be used to show the debug border.
- m_layer = graphicsLayerActorNewWithClient(LayerTypeWebLayer, this);
-}
-
-static gboolean idleDestroy(gpointer data)
-{
- GRefPtr<ClutterActor> actor = adoptGRef(CLUTTER_ACTOR(data));
- ClutterActor* parent = clutter_actor_get_parent(actor.get());
-
- // We should remove child actors manually because the container of Clutter
- // seems to have a bug to remove its child actors when it is removed.
- if (GRAPHICS_LAYER_IS_ACTOR(GRAPHICS_LAYER_ACTOR(actor.get())))
- graphicsLayerActorRemoveAll(GRAPHICS_LAYER_ACTOR(actor.get()));
-
- if (parent)
- clutter_actor_remove_child(parent, actor.get());
-
- // FIXME: we should assert that the actor's ref count is 1 here, but some
- // of them are getting here with 2!
- // ASSERT((G_OBJECT(actor.get()))->ref_count == 1);
-
- return FALSE;
-}
-
-GraphicsLayerClutter::~GraphicsLayerClutter()
-{
- if (graphicsLayerActorGetLayerType(m_layer.get()) == GraphicsLayerClutter::LayerTypeRootLayer)
- return;
-
- // Even though we call notifyFlushRequired to remove existing animations in removeAnimation(),
- // removeClutterAnimationFromLayer has been never reached since the root layer is destroyed.
- // It means that we haven't lost a change to remove actual animations from clutterActor.
- // So, we call explictly updateAnimations once here to remove uncommitted animations.
- if (m_uncommittedChanges & AnimationChanged)
- updateAnimations();
-
- willBeDestroyed();
-
- // We destroy the actors on an idle so that the main loop can run enough to
- // repaint the background that will replace the actor.
- if (m_layer) {
- graphicsLayerActorSetClient(m_layer.get(), 0);
- g_idle_add(idleDestroy, m_layer.leakRef());
- }
-
- if (m_structuralLayer) {
- graphicsLayerActorSetClient(m_structuralLayer.get(), 0);
- g_idle_add(idleDestroy, m_structuralLayer.leakRef());
- }
-}
-
-void GraphicsLayerClutter::setName(const String& name)
-{
- String longName = String::format("Actor(%p) GraphicsLayer(%p) ", m_layer.get(), this) + name;
- GraphicsLayer::setName(longName);
- noteLayerPropertyChanged(NameChanged);
-}
-
-ClutterActor* GraphicsLayerClutter::platformLayer() const
-{
- return CLUTTER_ACTOR(primaryLayer());
-}
-
-void GraphicsLayerClutter::setNeedsDisplay()
-{
- FloatRect hugeRect(FloatPoint(), m_size);
- setNeedsDisplayInRect(hugeRect);
-}
-
-void GraphicsLayerClutter::setNeedsDisplayInRect(const FloatRect& r)
-{
- if (!drawsContent())
- return;
-
- FloatRect rect(r);
- FloatRect layerBounds(FloatPoint(), m_size);
- rect.intersect(layerBounds);
- if (rect.isEmpty())
- return;
-
- const size_t maxDirtyRects = 32;
-
- for (size_t i = 0; i < m_dirtyRects.size(); ++i) {
- if (m_dirtyRects[i].contains(rect))
- return;
- }
-
- if (m_dirtyRects.size() < maxDirtyRects)
- m_dirtyRects.append(rect);
- else
- m_dirtyRects[0].unite(rect);
-
- noteLayerPropertyChanged(DirtyRectsChanged);
-}
-
-void GraphicsLayerClutter::setAnchorPoint(const FloatPoint3D& point)
-{
- if (point == m_anchorPoint)
- return;
-
- GraphicsLayer::setAnchorPoint(point);
- noteLayerPropertyChanged(GeometryChanged);
-}
-
-void GraphicsLayerClutter::setOpacity(float opacity)
-{
- float clampedOpacity = max(0.0f, min(opacity, 1.0f));
- if (clampedOpacity == m_opacity)
- return;
-
- GraphicsLayer::setOpacity(clampedOpacity);
- noteLayerPropertyChanged(OpacityChanged);
-}
-
-void GraphicsLayerClutter::setPosition(const FloatPoint& point)
-{
- if (point == m_position)
- return;
-
- GraphicsLayer::setPosition(point);
- noteLayerPropertyChanged(GeometryChanged);
-}
-
-void GraphicsLayerClutter::setSize(const FloatSize& size)
-{
- if (size == m_size)
- return;
-
- GraphicsLayer::setSize(size);
- noteLayerPropertyChanged(GeometryChanged);
-}
-void GraphicsLayerClutter::setTransform(const TransformationMatrix& t)
-{
- if (t == m_transform)
- return;
-
- GraphicsLayer::setTransform(t);
- noteLayerPropertyChanged(TransformChanged);
-}
-
-void GraphicsLayerClutter::moveOrCopyAnimations(MoveOrCopy operation, GraphicsLayerActor* fromLayer, GraphicsLayerActor* toLayer)
-{
- notImplemented();
-}
-
-void GraphicsLayerClutter::setPreserves3D(bool preserves3D)
-{
- if (preserves3D == m_preserves3D)
- return;
-
- GraphicsLayer::setPreserves3D(preserves3D);
- noteLayerPropertyChanged(Preserves3DChanged);
-}
-
-void GraphicsLayerClutter::setDrawsContent(bool drawsContent)
-{
- if (drawsContent == m_drawsContent)
- return;
-
- GraphicsLayer::setDrawsContent(drawsContent);
- noteLayerPropertyChanged(DrawsContentChanged);
-}
-
-void GraphicsLayerClutter::setParent(GraphicsLayer* childLayer)
-{
- notImplemented();
-
- GraphicsLayer::setParent(childLayer);
-}
-
-bool GraphicsLayerClutter::setChildren(const Vector<GraphicsLayer*>& children)
-{
- bool childrenChanged = GraphicsLayer::setChildren(children);
- if (childrenChanged)
- noteSublayersChanged();
-
- return childrenChanged;
-}
-
-void GraphicsLayerClutter::addChild(GraphicsLayer* childLayer)
-{
- GraphicsLayer::addChild(childLayer);
- noteSublayersChanged();
-}
-
-void GraphicsLayerClutter::addChildAtIndex(GraphicsLayer* childLayer, int index)
-{
- GraphicsLayer::addChildAtIndex(childLayer, index);
- noteSublayersChanged();
-}
-
-void GraphicsLayerClutter::addChildBelow(GraphicsLayer* childLayer, GraphicsLayer* sibling)
-{
- GraphicsLayer::addChildBelow(childLayer, sibling);
- noteSublayersChanged();
-}
-
-void GraphicsLayerClutter::addChildAbove(GraphicsLayer* childLayer, GraphicsLayer* sibling)
-{
- GraphicsLayer::addChildAbove(childLayer, sibling);
- noteSublayersChanged();
-}
-
-bool GraphicsLayerClutter::replaceChild(GraphicsLayer* oldChild, GraphicsLayer* newChild)
-{
- if (GraphicsLayer::replaceChild(oldChild, newChild)) {
- noteSublayersChanged();
- return true;
- }
- return false;
-}
-
-void GraphicsLayerClutter::removeFromParent()
-{
- if (m_parent)
- static_cast<GraphicsLayerClutter*>(m_parent)->noteSublayersChanged();
- GraphicsLayer::removeFromParent();
-}
-
-void GraphicsLayerClutter::platformClutterLayerPaintContents(GraphicsContext& context, const IntRect& clip)
-{
- paintGraphicsLayerContents(context, clip);
-}
-
-void GraphicsLayerClutter::platformClutterLayerAnimationStarted(double startTime)
-{
- if (m_client)
- m_client->notifyAnimationStarted(this, startTime);
-}
-
-void GraphicsLayerClutter::repaintLayerDirtyRects()
-{
- if (!m_dirtyRects.size())
- return;
-
- for (size_t i = 0; i < m_dirtyRects.size(); ++i)
- graphicsLayerActorInvalidateRectangle(m_layer.get(), m_dirtyRects[i]);
-
- m_dirtyRects.clear();
-}
-
-void GraphicsLayerClutter::updateOpacityOnLayer()
-{
- clutter_actor_set_opacity(CLUTTER_ACTOR(primaryLayer()), static_cast<guint8>(roundf(m_opacity * 255)));
-}
-
-void GraphicsLayerClutter::updateAnimations()
-{
- if (m_animationsToProcess.size()) {
- AnimationsToProcessMap::const_iterator end = m_animationsToProcess.end();
- for (AnimationsToProcessMap::const_iterator it = m_animationsToProcess.begin(); it != end; ++it) {
- const String& currAnimationName = it->key;
- AnimationsMap::iterator animationIt = m_runningAnimations.find(currAnimationName);
- if (animationIt == m_runningAnimations.end())
- continue;
-
- const AnimationProcessingAction& processingInfo = it->value;
- const Vector<LayerPropertyAnimation>& animations = animationIt->value;
- for (size_t i = 0; i < animations.size(); ++i) {
- const LayerPropertyAnimation& currAnimation = animations[i];
- switch (processingInfo.action) {
- case Remove:
- removeClutterAnimationFromLayer(currAnimation.m_property, currAnimationName, currAnimation.m_index);
- break;
- case Pause:
- pauseClutterAnimationOnLayer(currAnimation.m_property, currAnimationName, currAnimation.m_index, processingInfo.timeOffset);
- break;
- }
- }
-
- if (processingInfo.action == Remove)
- m_runningAnimations.remove(currAnimationName);
- }
-
- m_animationsToProcess.clear();
- }
-
- size_t numAnimations;
- if ((numAnimations = m_uncomittedAnimations.size())) {
- for (size_t i = 0; i < numAnimations; ++i) {
- const LayerPropertyAnimation& pendingAnimation = m_uncomittedAnimations[i];
- setAnimationOnLayer(pendingAnimation.m_animation.get(), pendingAnimation.m_property, pendingAnimation.m_name, pendingAnimation.m_index, pendingAnimation.m_timeOffset);
-
- AnimationsMap::iterator it = m_runningAnimations.find(pendingAnimation.m_name);
- if (it == m_runningAnimations.end()) {
- Vector<LayerPropertyAnimation> animations;
- animations.append(pendingAnimation);
- m_runningAnimations.add(pendingAnimation.m_name, animations);
- } else {
- Vector<LayerPropertyAnimation>& animations = it->value;
- animations.append(pendingAnimation);
- }
- }
-
- m_uncomittedAnimations.clear();
- }
-}
-
-FloatPoint GraphicsLayerClutter::computePositionRelativeToBase(float& pageScale) const
-{
- pageScale = 1;
-
- FloatPoint offset;
- for (const GraphicsLayer* currLayer = this; currLayer; currLayer = currLayer->parent()) {
- if (currLayer->appliesPageScale()) {
- if (currLayer->client())
- pageScale = currLayer->pageScaleFactor();
- return offset;
- }
-
- offset += currLayer->position();
- }
-
- return FloatPoint();
-}
-
-// called from void RenderLayerCompositor::flushPendingLayerChanges
-void GraphicsLayerClutter::flushCompositingState(const FloatRect& clipRect)
-{
- TransformState state(TransformState::UnapplyInverseTransformDirection, FloatQuad(clipRect));
- recursiveCommitChanges(CommitState(), state);
-}
-
-void GraphicsLayerClutter::recursiveCommitChanges(const CommitState& commitState, const TransformState& state, float pageScaleFactor, const FloatPoint& positionRelativeToBase, bool affectedByPageScale)
-{
- if (appliesPageScale()) {
- pageScaleFactor = this->pageScaleFactor();
- affectedByPageScale = true;
- }
-
- // Accumulate an offset from the ancestral pixel-aligned layer.
- FloatPoint baseRelativePosition = positionRelativeToBase;
- if (affectedByPageScale)
- baseRelativePosition += m_position;
-
- commitLayerChangesBeforeSublayers(pageScaleFactor, baseRelativePosition);
-
- const Vector<GraphicsLayer*>& childLayers = children();
- size_t numChildren = childLayers.size();
-
- for (size_t i = 0; i < numChildren; ++i) {
- GraphicsLayerClutter* currentChild = static_cast<GraphicsLayerClutter*>(childLayers[i]);
- currentChild->recursiveCommitChanges(commitState, state, pageScaleFactor, baseRelativePosition, affectedByPageScale);
- }
-
- commitLayerChangesAfterSublayers();
-}
-
-void GraphicsLayerClutter::flushCompositingStateForThisLayerOnly()
-{
- float pageScaleFactor;
- FloatPoint offset = computePositionRelativeToBase(pageScaleFactor);
- commitLayerChangesBeforeSublayers(pageScaleFactor, offset);
- commitLayerChangesAfterSublayers();
-}
-
-void GraphicsLayerClutter::commitLayerChangesAfterSublayers()
-{
- if (!m_uncommittedChanges)
- return;
-
- if (m_uncommittedChanges & ChildrenChanged)
- updateSublayerList();
-
- m_uncommittedChanges = NoChange;
-}
-void GraphicsLayerClutter::noteSublayersChanged()
-{
- noteLayerPropertyChanged(ChildrenChanged);
-}
-
-void GraphicsLayerClutter::noteLayerPropertyChanged(LayerChangeFlags flags)
-{
- if (!m_uncommittedChanges && m_client)
- m_client->notifyFlushRequired(this); // call RenderLayerBacking::notifyFlushRequired
-
- m_uncommittedChanges |= flags;
-}
-
-void GraphicsLayerClutter::commitLayerChangesBeforeSublayers(float pageScaleFactor, const FloatPoint& positionRelativeToBase)
-{
- if (!m_uncommittedChanges)
- return;
-
- // Need to handle Preserves3DChanged first, because it affects which layers subsequent properties are applied to
- if (m_uncommittedChanges & Preserves3DChanged)
- updateStructuralLayer();
-
- if (m_uncommittedChanges & GeometryChanged)
- updateGeometry(pageScaleFactor, positionRelativeToBase);
-
- if (m_uncommittedChanges & DrawsContentChanged)
- updateLayerDrawsContent(pageScaleFactor, positionRelativeToBase);
-
- if (m_uncommittedChanges & NameChanged)
- updateLayerNames();
-
- if (m_uncommittedChanges & TransformChanged)
- updateTransform();
-
- if (m_uncommittedChanges & OpacityChanged)
- updateOpacityOnLayer();
-
- if (m_uncommittedChanges & AnimationChanged)
- updateAnimations();
-
- if (m_uncommittedChanges & DirtyRectsChanged)
- repaintLayerDirtyRects();
-
- if (m_uncommittedChanges & ChildrenChanged) {
- updateSublayerList();
- // Sublayers may set this flag again, so clear it to avoid always updating sublayers in commitLayerChangesAfterSublayers().
- m_uncommittedChanges &= ~ChildrenChanged;
- }
-}
-
-void GraphicsLayerClutter::updateGeometry(float pageScaleFactor, const FloatPoint& positionRelativeToBase)
-{
- // FIXME: Need to support page scaling.
- if (m_structuralLayer) {
- clutter_actor_set_position(CLUTTER_ACTOR(m_structuralLayer.get()), m_position.x(), m_position.y());
- clutter_actor_set_size(CLUTTER_ACTOR(m_structuralLayer.get()), m_size.width(), m_size.height());
- graphicsLayerActorSetAnchorPoint(m_structuralLayer.get(), m_anchorPoint.x(), m_anchorPoint.y(), m_anchorPoint.z());
- }
-
- clutter_actor_set_position(CLUTTER_ACTOR(m_layer.get()), m_position.x(), m_position.y());
- clutter_actor_set_size(CLUTTER_ACTOR(m_layer.get()), m_size.width(), m_size.height());
- graphicsLayerActorSetAnchorPoint(m_layer.get(), m_anchorPoint.x(), m_anchorPoint.y(), m_anchorPoint.z());
-}
-
-// Each GraphicsLayer has the corresponding layer in the platform port.
-// So whenever the list of child layer changes, the list of GraphicsLayerActor should be updated accordingly.
-void GraphicsLayerClutter::updateSublayerList()
-{
- GraphicsLayerActorList structuralLayerChildren;
- GraphicsLayerActorList primaryLayerChildren;
-
- GraphicsLayerActorList& childListForSublayers = m_structuralLayer ? structuralLayerChildren : primaryLayerChildren;
-
- if (m_structuralLayer)
- structuralLayerChildren.append(m_layer);
-
- const Vector<GraphicsLayer*>& childLayers = children();
- size_t numChildren = childLayers.size();
- for (size_t i = 0; i < numChildren; ++i) {
- GraphicsLayerClutter* currentChild = static_cast<GraphicsLayerClutter*>(childLayers[i]);
- GraphicsLayerActor* childLayer = currentChild->layerForSuperlayer();
- ASSERT(GRAPHICS_LAYER_IS_ACTOR(childLayer));
- childListForSublayers.append(childLayer);
-
- // The child layer only preserves 3D if either itself or its parent has preserves3D set.
- graphicsLayerActorSetFlatten(childLayer, !(preserves3D() || currentChild->preserves3D()));
- }
-
- if (m_structuralLayer)
- graphicsLayerActorSetSublayers(m_structuralLayer.get(), structuralLayerChildren);
-
- graphicsLayerActorSetSublayers(m_layer.get(), primaryLayerChildren);
-}
-
-void GraphicsLayerClutter::updateLayerNames()
-{
- clutter_actor_set_name(CLUTTER_ACTOR(m_layer.get()), name().utf8().data());
-}
-
-void GraphicsLayerClutter::updateTransform()
-{
- CoglMatrix matrix = m_transform;
- clutter_actor_set_transform(CLUTTER_ACTOR(primaryLayer()), &matrix);
-}
-
-void GraphicsLayerClutter::updateStructuralLayer()
-{
- ensureStructuralLayer(structuralLayerPurpose());
-}
-
-void GraphicsLayerClutter::ensureStructuralLayer(StructuralLayerPurpose purpose)
-{
- const LayerChangeFlags structuralLayerChangeFlags = NameChanged
- | GeometryChanged
- | TransformChanged
- | ChildrenTransformChanged
- | ChildrenChanged
- | BackfaceVisibilityChanged
- | OpacityChanged;
-
- if (purpose == NoStructuralLayer) {
- if (m_structuralLayer) {
- // Replace the transformLayer in the parent with this layer.
- graphicsLayerActorRemoveFromSuperLayer(m_layer.get());
-
- // If m_layer doesn't have a parent, it means it's the root layer and
- // is likely hosted by something that is not expecting to be changed
- ClutterActor* parentActor = clutter_actor_get_parent(CLUTTER_ACTOR(m_structuralLayer.get()));
- ASSERT(parentActor);
- graphicsLayerActorReplaceSublayer(GRAPHICS_LAYER_ACTOR(parentActor), CLUTTER_ACTOR(m_structuralLayer.get()), CLUTTER_ACTOR(m_layer.get()));
-
- moveOrCopyAnimations(Move, m_structuralLayer.get(), m_layer.get());
-
- // Release the structural layer.
- m_structuralLayer = 0;
-
- m_uncommittedChanges |= structuralLayerChangeFlags;
- }
- return;
- }
-
- bool structuralLayerChanged = false;
- if (purpose == StructuralLayerForPreserves3D) {
- if (m_structuralLayer && (graphicsLayerActorGetLayerType(m_structuralLayer.get()) != GraphicsLayerClutter::LayerTypeTransformLayer))
- m_structuralLayer = 0;
-
- if (!m_structuralLayer) {
- m_structuralLayer = graphicsLayerActorNewWithClient(GraphicsLayerClutter::LayerTypeTransformLayer, this);
- structuralLayerChanged = true;
- }
- } else {
- if (m_structuralLayer && (graphicsLayerActorGetLayerType(m_structuralLayer.get()) != GraphicsLayerClutter::LayerTypeLayer))
- m_structuralLayer = 0;
-
- if (!m_structuralLayer) {
- m_structuralLayer = graphicsLayerActorNewWithClient(GraphicsLayerClutter::LayerTypeLayer, this);
- structuralLayerChanged = true;
- }
- }
-
- if (!structuralLayerChanged)
- return;
-
- m_uncommittedChanges |= structuralLayerChangeFlags;
-
- // We've changed the layer that our parent added to its sublayer list, so tell it to update
- // sublayers again in its commitLayerChangesAfterSublayers().
- static_cast<GraphicsLayerClutter*>(parent())->noteSublayersChanged();
-
- // Set properties of m_layer to their default values, since these are expressed on on the structural layer.
- FloatPoint point(0, 0);
- FloatPoint3D anchorPoint(0.5f, 0.5f, 0);
- clutter_actor_set_position(CLUTTER_ACTOR(m_layer.get()), point.x(), point.y());
- graphicsLayerActorSetAnchorPoint(m_layer.get(), anchorPoint.x(), anchorPoint.y(), anchorPoint.z());
-
- CoglMatrix matrix = TransformationMatrix();
- clutter_actor_set_transform(CLUTTER_ACTOR(m_layer.get()), &matrix);
-
- clutter_actor_set_opacity(CLUTTER_ACTOR(m_layer.get()), 255);
-
- moveOrCopyAnimations(Move, m_layer.get(), m_structuralLayer.get());
-}
-
-GraphicsLayerClutter::StructuralLayerPurpose GraphicsLayerClutter::structuralLayerPurpose() const
-{
- if (preserves3D())
- return StructuralLayerForPreserves3D;
-
- return NoStructuralLayer;
-}
-
-void GraphicsLayerClutter::updateLayerDrawsContent(float pageScaleFactor, const FloatPoint& positionRelativeToBase)
-{
- if (m_drawsContent) {
- graphicsLayerActorSetDrawsContent(m_layer.get(), TRUE);
- setNeedsDisplay();
- } else {
- graphicsLayerActorSetDrawsContent(m_layer.get(), FALSE);
- graphicsLayerActorSetSurface(m_layer.get(), 0);
- }
-
- updateDebugIndicators();
-}
-
-void GraphicsLayerClutter::setupAnimation(PlatformClutterAnimation* propertyAnim, const Animation* anim, bool additive)
-{
- double duration = anim->duration();
- if (duration <= 0)
- duration = cAnimationAlmostZeroDuration;
-
- float repeatCount = anim->iterationCount();
- if (repeatCount == Animation::IterationCountInfinite)
- repeatCount = numeric_limits<float>::max();
- else if (anim->direction() == Animation::AnimationDirectionAlternate || anim->direction() == Animation::AnimationDirectionAlternateReverse)
- repeatCount /= 2;
-
- PlatformClutterAnimation::FillModeType fillMode = PlatformClutterAnimation::NoFillMode;
- switch (anim->fillMode()) {
- case AnimationFillModeNone:
- fillMode = PlatformClutterAnimation::Forwards; // Use "forwards" rather than "removed" because the style system will remove the animation when it is finished. This avoids a flash.
- break;
- case AnimationFillModeBackwards:
- fillMode = PlatformClutterAnimation::Both; // Use "both" rather than "backwards" because the style system will remove the animation when it is finished. This avoids a flash.
- break;
- case AnimationFillModeForwards:
- fillMode = PlatformClutterAnimation::Forwards;
- break;
- case AnimationFillModeBoth:
- fillMode = PlatformClutterAnimation::Both;
- break;
- }
-
- propertyAnim->setDuration(duration);
- propertyAnim->setRepeatCount(repeatCount);
- propertyAnim->setAutoreverses(anim->direction() == Animation::AnimationDirectionAlternate || anim->direction() == Animation::AnimationDirectionAlternateReverse);
- propertyAnim->setRemovedOnCompletion(false);
- propertyAnim->setAdditive(additive);
- propertyAnim->setFillMode(fillMode);
-}
-
-const TimingFunction* GraphicsLayerClutter::timingFunctionForAnimationValue(const AnimationValue* animValue, const Animation* anim)
-{
- if (animValue->timingFunction())
- return animValue->timingFunction();
- if (anim->isTimingFunctionSet())
- return anim->timingFunction().get();
-
- return CubicBezierTimingFunction::defaultTimingFunction();
-}
-
-PassRefPtr<PlatformClutterAnimation> GraphicsLayerClutter::createBasicAnimation(const Animation* anim, const String& keyPath, bool additive)
-{
- RefPtr<PlatformClutterAnimation> basicAnim = PlatformClutterAnimation::create(PlatformClutterAnimation::Basic, keyPath);
- setupAnimation(basicAnim.get(), anim, additive);
- return basicAnim;
-}
-
-PassRefPtr<PlatformClutterAnimation>GraphicsLayerClutter::createKeyframeAnimation(const Animation* anim, const String& keyPath, bool additive)
-{
- RefPtr<PlatformClutterAnimation> keyframeAnim = PlatformClutterAnimation::create(PlatformClutterAnimation::Keyframe, keyPath);
- setupAnimation(keyframeAnim.get(), anim, additive);
- return keyframeAnim;
-}
-
-bool GraphicsLayerClutter::setTransformAnimationKeyframes(const KeyframeValueList& valueList, const Animation* animation, PlatformClutterAnimation* keyframeAnim, int functionIndex, TransformOperation::OperationType transformOpType, bool isMatrixAnimation, const IntSize& boxSize)
-{
- Vector<float> keyTimes;
- Vector<float> floatValues;
- Vector<FloatPoint3D> floatPoint3DValues;
- Vector<TransformationMatrix> transformationMatrixValues;
- Vector<const TimingFunction*> timingFunctions;
-
- bool forwards = animation->directionIsForwards();
-
- for (unsigned i = 0; i < valueList.size(); ++i) {
- unsigned index = forwards ? i : (valueList.size() - i - 1);
- const TransformAnimationValue* curValue = static_cast<const TransformAnimationValue*>(valueList.at(index));
- keyTimes.append(forwards ? curValue->keyTime() : (1 - curValue->keyTime()));
-
- if (isMatrixAnimation) {
- TransformationMatrix transform;
- curValue->value()->apply(boxSize, transform);
-
- // FIXME: In CoreAnimation case, if any matrix is singular, CA won't animate it correctly.
- // But I'm not sure clutter also does. Check it later, and then decide
- // whether removing following lines or not.
- if (!transform.isInvertible())
- return false;
-
- transformationMatrixValues.append(transform);
- } else {
- const TransformOperation* transformOp = curValue->value()->at(functionIndex);
- if (isTransformTypeNumber(transformOpType)) {
- float value;
- getTransformFunctionValue(transformOp, transformOpType, boxSize, value);
- floatValues.append(value);
- } else if (isTransformTypeFloatPoint3D(transformOpType)) {
- FloatPoint3D value;
- getTransformFunctionValue(transformOp, transformOpType, boxSize, value);
- floatPoint3DValues.append(value);
- } else {
- TransformationMatrix value;
- getTransformFunctionValue(transformOp, transformOpType, boxSize, value);
- transformationMatrixValues.append(value);
- }
- }
-
- if (i < (valueList.size() - 1))
- timingFunctions.append(timingFunctionForAnimationValue(forwards ? curValue : valueList.at(index - 1), animation));
- }
-
- keyframeAnim->setKeyTimes(keyTimes);
-
- if (isTransformTypeNumber(transformOpType))
- keyframeAnim->setValues(floatValues);
- else if (isTransformTypeFloatPoint3D(transformOpType))
- keyframeAnim->setValues(floatPoint3DValues);
- else
- keyframeAnim->setValues(transformationMatrixValues);
-
- keyframeAnim->setTimingFunctions(timingFunctions, !forwards);
-
- PlatformClutterAnimation::ValueFunctionType valueFunction = getValueFunctionNameForTransformOperation(transformOpType);
- if (valueFunction != PlatformClutterAnimation::NoValueFunction)
- keyframeAnim->setValueFunction(valueFunction);
-
- return true;
-}
-
-bool GraphicsLayerClutter::setTransformAnimationEndpoints(const KeyframeValueList& valueList, const Animation* animation, PlatformClutterAnimation* basicAnim, int functionIndex, TransformOperation::OperationType transformOpType, bool isMatrixAnimation, const IntSize& boxSize)
-{
- ASSERT(valueList.size() == 2);
-
- bool forwards = animation->directionIsForwards();
-
- unsigned fromIndex = !forwards;
- unsigned toIndex = forwards;
-
- const TransformAnimationValue* startValue = static_cast<const TransformAnimationValue*>(valueList.at(fromIndex));
- const TransformAnimationValue* endValue = static_cast<const TransformAnimationValue*>(valueList.at(toIndex));
-
- if (isMatrixAnimation) {
- TransformationMatrix fromTransform, toTransform;
- startValue->value()->apply(boxSize, fromTransform);
- endValue->value()->apply(boxSize, toTransform);
-
- // FIXME: If any matrix is singular, CA won't animate it correctly.
- // So fall back to software animation, But it's not sure in clutter case.
- // We need to investigate it more.
- if (!fromTransform.isInvertible() || !toTransform.isInvertible())
- return false;
-
- basicAnim->setFromValue(fromTransform);
- basicAnim->setToValue(toTransform);
- } else {
- if (isTransformTypeNumber(transformOpType)) {
- float fromValue;
- getTransformFunctionValue(startValue->value()->at(functionIndex), transformOpType, boxSize, fromValue);
- basicAnim->setFromValue(fromValue);
-
- float toValue;
- getTransformFunctionValue(endValue->value()->at(functionIndex), transformOpType, boxSize, toValue);
- basicAnim->setToValue(toValue);
- } else if (isTransformTypeFloatPoint3D(transformOpType)) {
- FloatPoint3D fromValue;
- getTransformFunctionValue(startValue->value()->at(functionIndex), transformOpType, boxSize, fromValue);
- basicAnim->setFromValue(fromValue);
-
- FloatPoint3D toValue;
- getTransformFunctionValue(endValue->value()->at(functionIndex), transformOpType, boxSize, toValue);
- basicAnim->setToValue(toValue);
- } else {
- TransformationMatrix fromValue;
- getTransformFunctionValue(startValue->value()->at(functionIndex), transformOpType, boxSize, fromValue);
- basicAnim->setFromValue(fromValue);
-
- TransformationMatrix toValue;
- getTransformFunctionValue(endValue->value()->at(functionIndex), transformOpType, boxSize, toValue);
- basicAnim->setToValue(toValue);
- }
- }
-
- // This codepath is used for 2-keyframe animations, so we still need to look in the start
- // for a timing function. Even in the reversing animation case, the first keyframe provides the timing function.
- const TimingFunction* timingFunction = timingFunctionForAnimationValue(valueList.at(0), animation);
- basicAnim->setTimingFunction(timingFunction, !forwards);
-
- PlatformClutterAnimation::ValueFunctionType valueFunction = getValueFunctionNameForTransformOperation(transformOpType);
- if (valueFunction != PlatformClutterAnimation::NoValueFunction)
- basicAnim->setValueFunction(valueFunction);
-
- return true;
-}
-
-bool GraphicsLayerClutter::appendToUncommittedAnimations(const KeyframeValueList& valueList, const TransformOperations* operations, const Animation* animation, const String& animationName, const IntSize& boxSize, int animationIndex, double timeOffset, bool isMatrixAnimation)
-{
- TransformOperation::OperationType transformOp = isMatrixAnimation ? TransformOperation::MATRIX_3D : operations->operations().at(animationIndex)->getOperationType();
- bool additive = animationIndex > 0;
- bool isKeyframe = valueList.size() > 2;
-
- RefPtr<PlatformClutterAnimation> clutterAnimation;
- bool validMatrices = true;
- if (isKeyframe) {
- clutterAnimation = createKeyframeAnimation(animation, propertyIdToString(valueList.property()), additive);
- validMatrices = setTransformAnimationKeyframes(valueList, animation, clutterAnimation.get(), animationIndex, transformOp, isMatrixAnimation, boxSize);
- } else {
- clutterAnimation = createBasicAnimation(animation, propertyIdToString(valueList.property()), additive);
- validMatrices = setTransformAnimationEndpoints(valueList, animation, clutterAnimation.get(), animationIndex, transformOp, isMatrixAnimation, boxSize);
- }
-
- if (!validMatrices)
- return false;
-
- m_uncomittedAnimations.append(LayerPropertyAnimation(clutterAnimation, animationName, valueList.property(), animationIndex, timeOffset));
- return true;
-}
-
-bool GraphicsLayerClutter::createTransformAnimationsFromKeyframes(const KeyframeValueList& valueList, const Animation* animation, const String& animationName, double timeOffset, const IntSize& boxSize)
-{
- ASSERT(valueList.property() == AnimatedPropertyWebkitTransform);
-
- bool hasBigRotation;
- int listIndex = validateTransformOperations(valueList, hasBigRotation);
- const TransformOperations* operations = (listIndex >= 0) ? static_cast<const TransformAnimationValue*>(valueList.at(listIndex))->value() : 0;
-
- // We need to fall back to software animation if we don't have setValueFunction:, and
- // we would need to animate each incoming transform function separately. This is the
- // case if we have a rotation >= 180 or we have more than one transform function.
- if ((hasBigRotation || (operations && operations->size() > 1)) && !PlatformClutterAnimation::supportsValueFunction())
- return false;
-
- bool validMatrices = true;
-
- // If function lists don't match we do a matrix animation, otherwise we do a component hardware animation.
- // Also, we can't do component animation unless we have valueFunction, so we need to do matrix animation
- // if that's not true as well.
- bool isMatrixAnimation = listIndex < 0 || !PlatformClutterAnimation::supportsValueFunction() || (operations->size() >= 2 && !PlatformClutterAnimation::supportsAdditiveValueFunction());
- int numAnimations = isMatrixAnimation ? 1 : operations->size();
-
- for (int animationIndex = 0; animationIndex < numAnimations; ++animationIndex) {
- if (!appendToUncommittedAnimations(valueList, operations, animation, animationName, boxSize, animationIndex, timeOffset, isMatrixAnimation)) {
- validMatrices = false;
- break;
- }
- }
-
- return validMatrices;
-}
-
-bool GraphicsLayerClutter::createAnimationFromKeyframes(const KeyframeValueList& valueList, const Animation* animation, const String& animationName, double timeOffset)
-{
- ASSERT(valueList.property() != AnimatedPropertyWebkitTransform);
-
- bool isKeyframe = valueList.size() > 2;
- bool valuesOK;
-
- bool additive = false;
- int animationIndex = 0;
-
- RefPtr<PlatformClutterAnimation> clutterAnimation;
-
- if (isKeyframe) {
- clutterAnimation = createKeyframeAnimation(animation, propertyIdToString(valueList.property()), additive);
- valuesOK = setAnimationKeyframes(valueList, animation, clutterAnimation.get());
- } else {
- clutterAnimation = createBasicAnimation(animation, propertyIdToString(valueList.property()), additive);
- valuesOK = setAnimationEndpoints(valueList, animation, clutterAnimation.get());
- }
-
- if (!valuesOK)
- return false;
-
- m_uncomittedAnimations.append(LayerPropertyAnimation(clutterAnimation, animationName, valueList.property(), animationIndex, timeOffset));
-
- return true;
-}
-
-bool GraphicsLayerClutter::addAnimation(const KeyframeValueList& valueList, const IntSize& boxSize, const Animation* anim, const String& animationName, double timeOffset)
-{
- ASSERT(!animationName.isEmpty());
-
- if (!anim || anim->isEmptyOrZeroDuration() || valueList.size() < 2)
- return false;
-
- // FIXME: ClutterTimeline seems to support steps timing function. So we need to improve here.
- // See http://developer.gnome.org/clutter/stable/ClutterTimeline.html#ClutterAnimationMode
- if (animationHasStepsTimingFunction(valueList, anim))
- return false;
-
- bool createdAnimations = false;
- if (valueList.property() == AnimatedPropertyWebkitTransform)
- createdAnimations = createTransformAnimationsFromKeyframes(valueList, anim, animationName, timeOffset, boxSize);
- else
- createdAnimations = createAnimationFromKeyframes(valueList, anim, animationName, timeOffset);
-
- if (createdAnimations)
- noteLayerPropertyChanged(AnimationChanged);
-
- return createdAnimations;
-}
-
-void GraphicsLayerClutter::removeAnimation(const String& animationName)
-{
- if (!animationIsRunning(animationName))
- return;
-
- m_animationsToProcess.add(animationName, AnimationProcessingAction(Remove));
- noteLayerPropertyChanged(AnimationChanged);
-}
-
-bool GraphicsLayerClutter::removeClutterAnimationFromLayer(AnimatedPropertyID property, const String& animationName, int index)
-{
- GraphicsLayerActor* layer = animatedLayer(property);
-
- String animationID = animationIdentifier(animationName, property, index);
-
- PlatformClutterAnimation* existingAnimation = graphicsLayerActorGetAnimationForKey(layer, animationID);
- if (!existingAnimation)
- return false;
-
- existingAnimation->removeAnimationForKey(layer, animationID);
- return true;
-}
-
-void GraphicsLayerClutter::pauseClutterAnimationOnLayer(AnimatedPropertyID property, const String& animationName, int index, double timeOffset)
-{
- notImplemented();
-}
-
-void GraphicsLayerClutter::setAnimationOnLayer(PlatformClutterAnimation* clutterAnim, AnimatedPropertyID property, const String& animationName, int index, double timeOffset)
-{
- GraphicsLayerActor* layer = animatedLayer(property);
-
- if (timeOffset)
- clutterAnim->setBeginTime(g_get_real_time() - timeOffset);
-
- String animationID = animationIdentifier(animationName, property, index);
-
- PlatformClutterAnimation* existingAnimation = graphicsLayerActorGetAnimationForKey(layer, animationID);
- if (existingAnimation)
- existingAnimation->removeAnimationForKey(layer, animationID);
-
- clutterAnim->addAnimationForKey(layer, animationID);
-}
-
-bool GraphicsLayerClutter::setAnimationEndpoints(const KeyframeValueList& valueList, const Animation* animation, PlatformClutterAnimation* basicAnim)
-{
- bool forwards = animation->directionIsForwards();
-
- unsigned fromIndex = !forwards;
- unsigned toIndex = forwards;
-
- switch (valueList.property()) {
- case AnimatedPropertyOpacity: {
- basicAnim->setFromValue(static_cast<const FloatAnimationValue*>(valueList.at(fromIndex))->value());
- basicAnim->setToValue(static_cast<const FloatAnimationValue*>(valueList.at(toIndex))->value());
- break;
- }
- default:
- ASSERT_NOT_REACHED(); // we don't animate color yet
- break;
- }
-
- // This codepath is used for 2-keyframe animations, so we still need to look in the start
- // for a timing function. Even in the reversing animation case, the first keyframe provides the timing function.
- const TimingFunction* timingFunction = timingFunctionForAnimationValue(valueList.at(0), animation);
- if (timingFunction)
- basicAnim->setTimingFunction(timingFunction, !forwards);
-
- return true;
-}
-
-bool GraphicsLayerClutter::setAnimationKeyframes(const KeyframeValueList& valueList, const Animation* animation, PlatformClutterAnimation* keyframeAnim)
-{
- Vector<float> keyTimes;
- Vector<float> values;
- Vector<const TimingFunction*> timingFunctions;
-
- bool forwards = animation->directionIsForwards();
-
- for (unsigned i = 0; i < valueList.size(); ++i) {
- unsigned index = forwards ? i : (valueList.size() - i - 1);
- const AnimationValue* curValue = valueList.at(index);
- keyTimes.append(forwards ? curValue->keyTime() : (1 - curValue->keyTime()));
-
- switch (valueList.property()) {
- case AnimatedPropertyOpacity: {
- const FloatAnimationValue* floatValue = static_cast<const FloatAnimationValue*>(curValue);
- values.append(floatValue->value());
- break;
- }
- default:
- ASSERT_NOT_REACHED(); // we don't animate color yet
- break;
- }
-
- if (i < (valueList.size() - 1))
- timingFunctions.append(timingFunctionForAnimationValue(forwards ? curValue : valueList.at(index - 1), animation));
- }
-
- keyframeAnim->setKeyTimes(keyTimes);
- keyframeAnim->setValues(values);
- keyframeAnim->setTimingFunctions(timingFunctions, !forwards);
-
- return true;
-}
-
-GraphicsLayerActor* GraphicsLayerClutter::layerForSuperlayer() const
-{
- return m_structuralLayer ? m_structuralLayer.get() : m_layer.get();
-}
-
-GraphicsLayerActor* GraphicsLayerClutter::animatedLayer(AnimatedPropertyID property) const
-{
- return primaryLayer();
-}
-
-} // namespace WebCore
-
-#endif // USE(ACCELERATED_COMPOSITING)

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