text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef PPAPI_PROXY_GRAPHICS_2D_RESOURCE_H_
  #define PPAPI_PROXY_GRAPHICS_2D_RESOURCE_H_
  
  #include "base/compiler_specific.h"
  #include "ppapi/proxy/plugin_resource.h"
  #include "ppapi/proxy/ppapi_proxy_export.h"
  #include "ppapi/thunk/ppb_graphics_2d_api.h"
  
  namespace ppapi {
  
  class TrackedCallback;
  
  namespace proxy {
  
  class PPAPI_PROXY_EXPORT Graphics2DResource
        : public PluginResource,
          public NON_EXPORTED_BASE(thunk::PPB_Graphics2D_API) {
   public:
    Graphics2DResource(Connection connection,
                       PP_Instance instance,
                       const PP_Size& size,
                       PP_Bool is_always_opaque);
  
    virtual ~Graphics2DResource();
  
    // Resource overrides.
    virtual thunk::PPB_Graphics2D_API* AsPPB_Graphics2D_API() OVERRIDE;
  
    // PPB_Graphics2D_API overrides.
    virtual PP_Bool Describe(PP_Size* size, PP_Bool* is_always_opaque) OVERRIDE;
    virtual void PaintImageData(PP_Resource image_data,
                                const PP_Point* top_left,
                                const PP_Rect* src_rect) OVERRIDE;
    virtual void Scroll(const PP_Rect* clip_rect,
                        const PP_Point* amount) OVERRIDE;
    virtual void ReplaceContents(PP_Resource image_data) OVERRIDE;
    virtual PP_Bool SetScale(float scale) OVERRIDE;
    virtual float GetScale() OVERRIDE;
    virtual int32_t Flush(scoped_refptr<TrackedCallback> callback) OVERRIDE;
    virtual bool ReadImageData(PP_Resource image,
                               const PP_Point* top_left) OVERRIDE;
  
   private:
    void OnPluginMsgFlushACK(const ResourceMessageReplyParams& params);
  
    const PP_Size size_;
    const PP_Bool is_always_opaque_;
    float scale_;
  
    scoped_refptr<TrackedCallback> current_flush_callback_;
  
    DISALLOW_COPY_AND_ASSIGN(Graphics2DResource);
  };
  
  }  // namespace proxy
  }  // namespace ppapi
  
  #endif  // PPAPI_PROXY_GRAPHICS_2D_RESOURCE_H_
  