webkit layers support

1 files changed, 129 insertions, 0 deletions

diff --git a/WebCore/platform/graphics/android/LayerAndroid.h b/WebCore/platform/graphics/android/LayerAndroid.h
new file mode 100644
index 0000000..284185d
--- /dev/null
+++ b/WebCore/platform/graphics/android/LayerAndroid.h
@@ -0,0 +1,129 @@
+/*
+ * 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 "Color.h"
+#include "FloatPoint.h"
+#include "FloatPoint3D.h"
+#include "FloatSize.h"
+#include "GraphicsContext.h"
+#include "GraphicsLayer.h"
+#include "RefPtr.h"
+#include "StringHash.h"
+#include "Vector.h"
+#include <wtf/HashSet.h>
+
+class SkCanvas;
+class SkPicture;
+class SkRect;
+
+namespace WebCore {
+
+class AndroidAnimation;
+class AndroidAnimationValue;
+
+class LayerAndroid : public RefCounted<LayerAndroid> {
+
+public:
+    static PassRefPtr<LayerAndroid> create(bool isRootLayer);
+    LayerAndroid(bool isRootLayer);
+    LayerAndroid(LayerAndroid* layer);
+    ~LayerAndroid();
+
+    static int instancesCount();
+
+    void setSize(FloatSize size) { m_size = size; }
+    void setOpacity(float opacity) { m_opacity = opacity; }
+    void setTranslation(FloatPoint translation) { m_translation = translation; }
+    void setRotation(float a) { m_angleTransform = a; m_doRotation = true; }
+    void setScale(FloatPoint3D scale) { m_scale = scale; }
+    void setPosition(FloatPoint position) { m_position = position; }
+    void setAnchorPoint(FloatPoint3D point) { m_anchorPoint = point; }
+    void setHaveContents(bool haveContents) { m_haveContents = haveContents; }
+    void setHaveImage(bool haveImage) { m_haveImage = haveImage; }
+    void setDrawsContent(bool drawsContent);
+    void setMaskLayer(LayerAndroid*);
+    void setMasksToBounds(bool);
+    void setBackgroundColor(const Color& color);
+    void setIsRootLayer(bool isRootLayer) { m_isRootLayer = isRootLayer; }
+
+    void paintOn(float scrollX, float scrollY, float scale, SkCanvas*);
+    GraphicsContext* paintContext();
+    void removeAllChildren() { m_children.clear(); }
+    void addChildren(LayerAndroid* layer) { m_children.append(layer); }
+    bool prepareContext(bool force = false);
+    void startRecording();
+    void stopRecording();
+    SkPicture* recordContext();
+    void setClip(SkCanvas* clip);
+    FloatPoint position() { return m_position; }
+    FloatPoint translation() { return m_translation; }
+    FloatSize size() { return m_size; }
+
+    void setFixedPosition(FloatPoint position);
+    void addAnimation(PassRefPtr<AndroidAnimation> anim);
+    void removeAnimation(const String& name);
+    Vector<RefPtr<AndroidAnimationValue> >* evaluateAnimations() const;
+    bool evaluateAnimations(double time,
+             Vector<RefPtr<AndroidAnimationValue> >* result) const;
+    bool hasAnimations() const;
+
+private:
+
+    void paintChildren(float scrollX, float scrollY,
+                       float scale, SkCanvas* canvas,
+                       float opacity);
+
+    void paintMe(float scrollX, float scrollY,
+                 float scale, SkCanvas* canvas,
+                 float opacity);
+
+    bool m_doRotation;
+    bool m_isRootLayer;
+    bool m_isFixed;
+    bool m_haveContents;
+    bool m_drawsContent;
+    bool m_haveImage;
+    bool m_haveClip;
+    bool m_backgroundColorSet;
+
+    float m_angleTransform;
+    float m_opacity;
+
+    FloatSize m_size;
+    FloatPoint m_position;
+    FloatPoint m_translation;
+    FloatPoint m_fixedPosition;
+    FloatPoint3D m_anchorPoint;
+    FloatPoint3D m_scale;
+
+    SkPicture* m_recordingPicture;
+    Color m_backgroundColor;
+
+    Vector<RefPtr<LayerAndroid> > m_children;
+    typedef HashMap<String, RefPtr<AndroidAnimation> > KeyframesMap;
+    KeyframesMap m_animations;
+};
+
+}
+
+#endif // USE(ACCELERATED_COMPOSITING)
+
+#endif  // LayerAndroid_h