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/*
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef GraphicsLayerTextureMapper_h
#define GraphicsLayerTextureMapper_h
#if !USE(COORDINATED_GRAPHICS)
#include "GraphicsLayer.h"
#include "GraphicsLayerClient.h"
#include "Image.h"
#include "TextureMapperLayer.h"
#include "TextureMapperPlatformLayer.h"
#include "TextureMapperTiledBackingStore.h"
namespace WebCore {
class GraphicsLayerTextureMapper final : public GraphicsLayer, TextureMapperPlatformLayer::Client {
public:
explicit GraphicsLayerTextureMapper(Type, GraphicsLayerClient&);
virtual ~GraphicsLayerTextureMapper();
void setScrollClient(TextureMapperLayer::ScrollingClient* client) { m_layer.setScrollClient(client); }
void setID(uint32_t id) { m_layer.setID(id); }
// GraphicsLayer
bool setChildren(const Vector<GraphicsLayer*>&) override;
void addChild(GraphicsLayer*) override;
void addChildAtIndex(GraphicsLayer*, int index) override;
void addChildAbove(GraphicsLayer*, GraphicsLayer* sibling) override;
void addChildBelow(GraphicsLayer*, GraphicsLayer* sibling) override;
bool replaceChild(GraphicsLayer* oldChild, GraphicsLayer* newChild) override;
void setMaskLayer(GraphicsLayer*) override;
void setReplicatedByLayer(GraphicsLayer*) override;
void setPosition(const FloatPoint&) override;
void setAnchorPoint(const FloatPoint3D&) override;
void setSize(const FloatSize&) override;
void setTransform(const TransformationMatrix&) override;
void setChildrenTransform(const TransformationMatrix&) override;
void setPreserves3D(bool) override;
void setMasksToBounds(bool) override;
void setDrawsContent(bool) override;
void setContentsVisible(bool) override;
void setContentsOpaque(bool) override;
void setBackfaceVisibility(bool) override;
void setOpacity(float) override;
bool setFilters(const FilterOperations&) override;
void setNeedsDisplay() override;
void setNeedsDisplayInRect(const FloatRect&, ShouldClipToLayer = ClipToLayer) override;
void setContentsNeedsDisplay() override;
void setContentsRect(const FloatRect&) override;
bool addAnimation(const KeyframeValueList&, const FloatSize&, const Animation*, const String&, double) override;
void pauseAnimation(const String&, double) override;
void removeAnimation(const String&) override;
void setContentsToImage(Image*) override;
void setContentsToSolidColor(const Color&) override;
void setContentsToPlatformLayer(PlatformLayer*, ContentsLayerPurpose) override;
bool usesContentsLayer() const override { return m_contentsLayer; }
PlatformLayer* platformLayer() const override { return m_contentsLayer; }
void setShowDebugBorder(bool) override;
void setDebugBorder(const Color&, float width) override;
void setShowRepaintCounter(bool) override;
void flushCompositingState(const FloatRect&) override;
void flushCompositingStateForThisLayerOnly() override;
void updateBackingStoreIncludingSubLayers();
TextureMapperLayer& layer() { return m_layer; }
void didCommitScrollOffset(const IntSize&);
void setIsScrollable(bool);
bool isScrollable() const { return m_isScrollable; }
void setFixedToViewport(bool);
bool fixedToViewport() const { return m_fixedToViewport; }
Color debugBorderColor() const { return m_debugBorderColor; }
float debugBorderWidth() const { return m_debugBorderWidth; }
void setRepaintCount(int);
void setAnimations(const TextureMapperAnimations&);
private:
// GraphicsLayer
bool isGraphicsLayerTextureMapper() const override { return true; }
// TextureMapperPlatformLayer::Client
void platformLayerWillBeDestroyed() override { setContentsToPlatformLayer(0, NoContentsLayer); }
void setPlatformLayerNeedsDisplay() override { setContentsNeedsDisplay(); }
void commitLayerChanges();
void updateDebugBorderAndRepaintCount();
void updateBackingStoreIfNeeded();
void prepareBackingStoreIfNeeded();
bool shouldHaveBackingStore() const;
bool filtersCanBeComposited(const FilterOperations&) const;
// This set of flags help us defer which properties of the layer have been
// modified by the compositor, so we can know what to look for in the next flush.
enum ChangeMask {
NoChanges = 0,
ChildrenChange = (1L << 1),
MaskLayerChange = (1L << 2),
ReplicaLayerChange = (1L << 3),
ContentChange = (1L << 4),
ContentsRectChange = (1L << 5),
ContentsVisibleChange = (1L << 6),
ContentsOpaqueChange = (1L << 7),
PositionChange = (1L << 8),
AnchorPointChange = (1L << 9),
SizeChange = (1L << 10),
TransformChange = (1L << 11),
ChildrenTransformChange = (1L << 12),
Preserves3DChange = (1L << 13),
MasksToBoundsChange = (1L << 14),
DrawsContentChange = (1L << 15),
OpacityChange = (1L << 16),
BackfaceVisibilityChange = (1L << 17),
BackingStoreChange = (1L << 18),
DisplayChange = (1L << 19),
ContentsDisplayChange = (1L << 20),
BackgroundColorChange = (1L << 21),
AnimationChange = (1L << 22),
FilterChange = (1L << 23),
DebugVisualsChange = (1L << 24),
RepaintCountChange = (1L << 25),
FixedToViewporChange = (1L << 26),
AnimationStarted = (1L << 27),
CommittedScrollOffsetChange = (1L << 28),
IsScrollableChange = (1L << 29)
};
void notifyChange(ChangeMask);
TextureMapperLayer m_layer;
RefPtr<TextureMapperTiledBackingStore> m_compositedImage;
NativeImagePtr m_compositedNativeImagePtr;
RefPtr<TextureMapperBackingStore> m_backingStore;
int m_changeMask;
bool m_needsDisplay;
bool m_fixedToViewport;
Color m_solidColor;
Color m_debugBorderColor;
float m_debugBorderWidth;
TextureMapperPlatformLayer* m_contentsLayer;
FloatRect m_needsDisplayRect;
TextureMapperAnimations m_animations;
double m_animationStartTime;
IntSize m_committedScrollOffset;
bool m_isScrollable;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_GRAPHICSLAYER(WebCore::GraphicsLayerTextureMapper, isGraphicsLayerTextureMapper())
#endif
#endif // GraphicsLayerTextureMapper_h
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