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      1 /*
      2  * Copyright 2011 The Android Open Source Project
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *  * Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  *  * Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef VideoLayerAndroid_h
     27 #define VideoLayerAndroid_h
     28 
     29 #if USE(ACCELERATED_COMPOSITING)
     30 
     31 #include "GLUtils.h"
     32 #include "LayerAndroid.h"
     33 #include <jni.h>
     34 
     35 namespace android {
     36 class GLConsumer;
     37 }
     38 
     39 namespace WebCore {
     40 
     41 // state get from UI thread to decide which image to draw.
     42 // PREPARING should be the progressing image
     43 // PLAYING will be the Video (Surface Texture).
     44 // Otherwise will draw a static image.
     45 // NOTE: These values are matching the ones in HTML5VideoView.java
     46 // Please keep them in sync when changed here.
     47 typedef enum {INITIALIZED, PREPARING, PREPARED, PLAYING, RESETTED, RELEASED} PlayerState;
     48 
     49 class VideoLayerAndroid : public LayerAndroid {
     50 
     51 public:
     52     VideoLayerAndroid();
     53     explicit VideoLayerAndroid(const VideoLayerAndroid& layer);
     54 
     55     virtual bool isVideo() const { return true; }
     56     virtual LayerAndroid* copy() const { return new VideoLayerAndroid(*this); }
     57 
     58     // The following functions are called in UI thread only.
     59     virtual bool drawGL(bool layerTilesDisabled);
     60     void setSurfaceTexture(sp<GLConsumer> texture, int textureName, PlayerState playerState);
     61     virtual bool needsIsolatedSurface() { return true; }
     62 
     63 private:
     64     void init();
     65     void showPreparingAnimation(const SkRect& rect,
     66                                 const SkRect innerRect);
     67     SkRect calVideoRect(const SkRect& rect);
     68     // Surface texture for showing the video is actually allocated in Java side
     69     // and passed into this native code.
     70     sp<android::GLConsumer> m_surfaceTexture;
     71 
     72     PlayerState m_playerState;
     73 
     74     static double m_rotateDegree;
     75 
     76     static const int ROTATESTEP = 12;
     77 };
     78 
     79 } // namespace WebCore
     80 
     81 #endif // USE(ACCELERATED_COMPOSITING)
     82 
     83 #endif // VideoLayerAndroid_h
     84