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Diffstat (limited to 'WebCore/platform/graphics/android/LayerAndroid.h')
| -rw-r--r-- | WebCore/platform/graphics/android/LayerAndroid.h | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/WebCore/platform/graphics/android/LayerAndroid.h b/WebCore/platform/graphics/android/LayerAndroid.h deleted file mode 100644 index d4510c5..0000000 --- a/WebCore/platform/graphics/android/LayerAndroid.h +++ /dev/null @@ -1,384 +0,0 @@ -/* - * Copyright (C) 2009 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef LayerAndroid_h -#define LayerAndroid_h - -#if USE(ACCELERATED_COMPOSITING) - -#include "FloatPoint.h" -#include "FloatPoint3D.h" -#include "FloatRect.h" -#include "GraphicsLayerClient.h" -#include "LayerTexture.h" -#include "RefPtr.h" -#include "SkColor.h" -#include "SkLayer.h" -#include "TextureOwner.h" -#include "TransformationMatrix.h" - -#include <wtf/HashMap.h> -#include <wtf/text/StringHash.h> - -#ifndef BZERO_DEFINED -#define BZERO_DEFINED -// http://www.opengroup.org/onlinepubs/000095399/functions/bzero.html -// For maximum portability, it is recommended to replace the function call to bzero() as follows: -#define bzero(b, len) (memset((b), '\0', (len)), (void) 0) -#endif - -class SkBitmapRef; -class SkCanvas; -class SkMatrix; -class SkPicture; - -namespace android { -class DrawExtra; -} - -using namespace android; - -struct SkLength { - enum SkLengthType { Undefined, Auto, Relative, Percent, Fixed, Static, Intrinsic, MinIntrinsic }; - SkLengthType type; - SkScalar value; - SkLength() - { - type = Undefined; - value = 0; - } - bool defined() const - { - if (type == Undefined) - return false; - return true; - } - float calcFloatValue(float max) const - { - switch (type) { - case Percent: - return (max * value) / 100.0f; - case Fixed: - return value; - default: - return value; - } - } -}; - -namespace WebCore { - -class AndroidAnimation; -class BackedDoubleBufferedTexture; -class LayerAndroidFindState; -class RenderLayer; -class TiledPage; - -class LayerAndroid : public SkLayer, public TextureOwner { - -public: - LayerAndroid(RenderLayer* owner); - LayerAndroid(const LayerAndroid& layer); - LayerAndroid(SkPicture*); - virtual ~LayerAndroid(); - - // TextureOwner methods - virtual bool removeTexture(BackedDoubleBufferedTexture* texture); - - LayerTexture* texture() { return m_reservedTexture; } - virtual TiledPage* page() { return 0; } - - void setBackfaceVisibility(bool value) { m_backfaceVisibility = value; } - void setTransform(const TransformationMatrix& matrix) { m_transform = matrix; } - FloatPoint translation() const; - SkRect bounds() const; - IntRect clippedRect() const; - bool outsideViewport(); - - // Debug/info functions - int countTextureSize(); - int nbLayers(); - void showLayers(int indent = 0); - - // Texture size functions - void computeTextureSize(double time); - void collect(Vector<LayerAndroid*>& layers, - int& size); - int clippedTextureSize() const; - int fullTextureSize() const; - - // called on the root layer - void reserveGLTextures(); - void createGLTextures(); - - virtual bool needsTexture(); - bool needsScheduleRepaint(LayerTexture* texture); - - void setScale(float scale); - float getScale() { return m_scale; } - virtual bool drawGL(GLWebViewState*, SkMatrix&); - bool drawChildrenGL(GLWebViewState*, SkMatrix&); - virtual void paintBitmapGL(); - void updateGLPositions(const TransformationMatrix& parentMatrix, - const FloatRect& clip, float opacity); - void setDrawOpacity(float opacity) { m_drawOpacity = opacity; } - void setVisible(bool value) { m_visible = value; } - - bool preserves3D() { return m_preserves3D; } - void setPreserves3D(bool value) { m_preserves3D = value; } - void setAnchorPointZ(float z) { m_anchorPointZ = z; } - float anchorPointZ() { return m_anchorPointZ; } - void setDrawTransform(const TransformationMatrix& transform) { m_drawTransform = transform; } - const TransformationMatrix& drawTransform() const { return m_drawTransform; } - void setChildrenTransform(const TransformationMatrix& t) { m_childrenTransform = t; } - void setDrawClip(const FloatRect& rect) { m_clippingRect = rect; } - const FloatRect& drawClip() { return m_clippingRect; } - - void setFixedPosition(SkLength left, // CSS left property - SkLength top, // CSS top property - SkLength right, // CSS right property - SkLength bottom, // CSS bottom property - SkLength marginLeft, // CSS margin-left property - SkLength marginTop, // CSS margin-top property - SkLength marginRight, // CSS margin-right property - SkLength marginBottom, // CSS margin-bottom property - const IntPoint& renderLayerPos, // For undefined fixed position - SkRect viewRect) { // view rect, can be smaller than the layer's - m_fixedLeft = left; - m_fixedTop = top; - m_fixedRight = right; - m_fixedBottom = bottom; - m_fixedMarginLeft = marginLeft; - m_fixedMarginTop = marginTop; - m_fixedMarginRight = marginRight; - m_fixedMarginBottom = marginBottom; - m_fixedRect = viewRect; - m_isFixed = true; - m_renderLayerPos = renderLayerPos; - setInheritFromRootTransform(true); - } - - void setBackgroundColor(SkColor color); - void setMaskLayer(LayerAndroid*); - void setMasksToBounds(bool masksToBounds) - { - m_haveClip = masksToBounds; - } - bool masksToBounds() const { return m_haveClip; } - - SkPicture* recordContext(); - - void addAnimation(PassRefPtr<AndroidAnimation> anim); - void removeAnimationsForProperty(AnimatedPropertyID property); - void removeAnimationsForKeyframes(const String& name); - bool evaluateAnimations(); - bool evaluateAnimations(double time); - bool hasAnimations() const; - void addDirtyArea(GLWebViewState*); - - SkPicture* picture() const { return m_recordingPicture; } - - // remove layers bounds from visible rectangle to show what can be - // scrolled into view; returns original minus layer bounds in global space. - SkRect subtractLayers(const SkRect& visibleRect) const; - - void dumpLayers(FILE*, int indentLevel) const; - void dumpToLog() const; - - /** Call this with the current viewport (scrolling, zoom) to update - the position of the fixed layers. - - This call is recursive, so it should be called on the root of the - hierarchy. - */ - void updateFixedLayersPositions(SkRect viewPort, LayerAndroid* parentIframeLayer = 0); - - /** Call this to update the position attribute, so that later calls - like bounds() will report the corrected position. - - This call is recursive, so it should be called on the root of the - hierarchy. - */ - void updatePositions(); - - void clipArea(SkTDArray<SkRect>* region) const; - const LayerAndroid* find(int* xPtr, int* yPtr, SkPicture* root) const; - const LayerAndroid* findById(int uniqueID) const - { - return const_cast<LayerAndroid*>(this)->findById(uniqueID); - } - LayerAndroid* findById(int uniqueID); - LayerAndroid* getChild(int index) const - { - return static_cast<LayerAndroid*>(this->INHERITED::getChild(index)); - } - void setExtra(DrawExtra* extra); // does not assign ownership - int uniqueId() const { return m_uniqueId; } - bool isFixed() { return m_isFixed; } - - /** This sets a content image -- calling it means we will use - the image directly when drawing the layer instead of using - the content painted by WebKit. See comments below for - m_recordingPicture and m_contentsImage. - */ - void setContentsImage(SkBitmapRef* img); - bool hasContentsImage() { return m_contentsImage; } - void copyBitmap(SkBitmap*); - - void bounds(SkRect*) const; - - virtual bool contentIsScrollable() const { return false; } - virtual LayerAndroid* copy() const { return new LayerAndroid(*this); } - - void needsRepaint() { m_pictureUsed++; } - unsigned int pictureUsed() { return m_pictureUsed; } - void contentDraw(SkCanvas*); - void extraDraw(SkCanvas*); - - virtual bool isMedia() const { return false; } - virtual bool isVideo() const { return false; } - - RenderLayer* owningLayer() const { return m_owningLayer; } - - void setIsIframe(bool isIframe) { m_isIframe = isIframe; } - float zValue() const { return m_zValue; } - -protected: - virtual void onDraw(SkCanvas*, SkScalar opacity); - -private: - class FindState; -#if DUMP_NAV_CACHE - friend class CachedLayer::Debug; // debugging access only -#endif - - void findInner(FindState&) const; - bool prepareContext(bool force = false); - void clipInner(SkTDArray<SkRect>* region, const SkRect& local) const; - - bool m_haveClip; - bool m_isFixed; - bool m_backgroundColorSet; - bool m_isIframe; - - SkLength m_fixedLeft; - SkLength m_fixedTop; - SkLength m_fixedRight; - SkLength m_fixedBottom; - SkLength m_fixedMarginLeft; - SkLength m_fixedMarginTop; - SkLength m_fixedMarginRight; - SkLength m_fixedMarginBottom; - SkRect m_fixedRect; - - SkPoint m_iframeOffset; - // When fixed element is undefined or auto, the render layer's position - // is needed for offset computation - IntPoint m_renderLayerPos; - - TransformationMatrix m_transform; - float m_zValue; - bool m_backfaceVisibility; - bool m_visible; - - SkColor m_backgroundColor; - - bool m_preserves3D; - float m_anchorPointZ; - float m_drawOpacity; - TransformationMatrix m_drawTransform; - TransformationMatrix m_childrenTransform; - FloatRect m_clippingRect; - - // Note that m_recordingPicture and m_contentsImage are mutually exclusive; - // m_recordingPicture is used when WebKit is asked to paint the layer's - // content, while m_contentsImage contains an image that we directly - // composite, using the layer's dimensions as a destination rect. - // We do this as if the layer only contains an image, directly compositing - // it is a much faster method than using m_recordingPicture. - SkPicture* m_recordingPicture; - - SkBitmap* m_contentsImage; - - typedef HashMap<pair<String, int>, RefPtr<AndroidAnimation> > KeyframesMap; - KeyframesMap m_animations; - SkPicture* m_extra; - int m_uniqueId; - - // We have two textures pointers -- one if the texture we are currently - // using to draw (m_drawingTexture), the other one is the one we get - // from trying to reserve a texture from the TilesManager. Usually, they - // are identical, but in some cases they are not (different scaling - // resulting in the need for different geometry, at initilisation, and - // if the texture asked does not fit in memory) - LayerTexture* m_drawingTexture; - LayerTexture* m_reservedTexture; - - // rect used to query TilesManager for the right texture - IntRect m_layerTextureRect; - - // used to signal that the tile is out-of-date and needs to be redrawn - bool m_dirty; - unsigned int m_pictureUsed; - - // used to signal the framework we need a repaint - bool m_hasRunningAnimations; - - // painting request sent - bool m_requestSent; - - float m_scale; - - // We try to not always compute the texture size, as this is quite heavy - static const double s_computeTextureDelay = 0.2; // 200 ms - double m_lastComputeTextureSize; - - // This mutex serves two purposes. (1) It ensures that certain operations - // happen atomically and (2) it makes sure those operations are synchronized - // across all threads and cores. - android::Mutex m_atomicSync; - - RenderLayer* m_owningLayer; - - typedef SkLayer INHERITED; -}; - -} - -#else - -class SkPicture; - -namespace WebCore { - -class LayerAndroid { -public: - LayerAndroid(SkPicture* picture) : - m_recordingPicture(picture), // does not assign ownership - m_uniqueId(-1) - {} - SkPicture* picture() const { return m_recordingPicture; } - int uniqueId() const { return m_uniqueId; } -private: - SkPicture* m_recordingPicture; - int m_uniqueId; -}; - -} - -#endif // USE(ACCELERATED_COMPOSITING) - -#endif // LayerAndroid_h |