ppapi/proxy/graphics_2d_resource.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef PPAPI_PROXY_GRAPHICS_2D_RESOURCE_H_
   6 #define PPAPI_PROXY_GRAPHICS_2D_RESOURCE_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "ppapi/proxy/plugin_resource.h"
  10 #include "ppapi/proxy/ppapi_proxy_export.h"
  11 #include "ppapi/thunk/ppb_graphics_2d_api.h"
  12
  13 namespace ppapi {
  14
  15 class TrackedCallback;
  16
  17 namespace proxy {
  18
  19 class PPAPI_PROXY_EXPORT Graphics2DResource
  20       : public PluginResource,
  21         public NON_EXPORTED_BASE(thunk::PPB_Graphics2D_API) {
  22  public:
  23   Graphics2DResource(Connection connection,
  24                      PP_Instance instance,
  25                      const PP_Size& size,
  26                      PP_Bool is_always_opaque);
  27
  28   ~Graphics2DResource() override;
  29
  30   // Resource overrides.
  31   thunk::PPB_Graphics2D_API* AsPPB_Graphics2D_API() override;
  32
  33   // PPB_Graphics2D_API overrides.
  34   PP_Bool Describe(PP_Size* size, PP_Bool* is_always_opaque) override;
  35   void PaintImageData(PP_Resource image_data,
  36                       const PP_Point* top_left,
  37                       const PP_Rect* src_rect) override;
  38   void Scroll(const PP_Rect* clip_rect, const PP_Point* amount) override;
  39   void ReplaceContents(PP_Resource image_data) override;
  40   PP_Bool SetScale(float scale) override;
  41   float GetScale() override;
  42   int32_t Flush(scoped_refptr<TrackedCallback> callback) override;
  43   bool ReadImageData(PP_Resource image, const PP_Point* top_left) override;
  44
  45  private:
  46   void OnPluginMsgFlushACK(const ResourceMessageReplyParams& params);
  47
  48   const PP_Size size_;
  49   const PP_Bool is_always_opaque_;
  50   float scale_;
  51
  52   scoped_refptr<TrackedCallback> current_flush_callback_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(Graphics2DResource);
  55 };
  56
  57 }  // namespace proxy
  58 }  // namespace ppapi
  59
  60 #endif  // PPAPI_PROXY_GRAPHICS_2D_RESOURCE_H_