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 <stdint.h> 9 10 #include "base/compiler_specific.h" 11 #include "base/macros.h" 12 #include "ppapi/proxy/plugin_resource.h" 13 #include "ppapi/proxy/ppapi_proxy_export.h" 14 #include "ppapi/thunk/ppb_graphics_2d_api.h" 15 16 namespace ppapi { 17 18 class TrackedCallback; 19 20 namespace proxy { 21 22 class PPAPI_PROXY_EXPORT Graphics2DResource : public PluginResource, 23 public thunk::PPB_Graphics2D_API { 24 public: 25 Graphics2DResource(Connection connection, 26 PP_Instance instance, 27 const PP_Size& size, 28 PP_Bool is_always_opaque); 29 30 ~Graphics2DResource() override; 31 32 // Resource overrides. 33 thunk::PPB_Graphics2D_API* AsPPB_Graphics2D_API() override; 34 35 // PPB_Graphics2D_API overrides. 36 PP_Bool Describe(PP_Size* size, PP_Bool* is_always_opaque) override; 37 void PaintImageData(PP_Resource image_data, 38 const PP_Point* top_left, 39 const PP_Rect* src_rect) override; 40 void Scroll(const PP_Rect* clip_rect, const PP_Point* amount) override; 41 void ReplaceContents(PP_Resource image_data) override; 42 PP_Bool SetScale(float scale) override; 43 float GetScale() override; 44 PP_Bool SetLayerTransform(float scale, 45 const PP_Point* origin, 46 const PP_Point* translate) override; 47 int32_t Flush(scoped_refptr<TrackedCallback> callback) override; 48 bool ReadImageData(PP_Resource image, const PP_Point* top_left) override; 49 50 private: 51 void OnPluginMsgFlushACK(const ResourceMessageReplyParams& params); 52 53 const PP_Size size_; 54 const PP_Bool is_always_opaque_; 55 float scale_; 56 57 scoped_refptr<TrackedCallback> current_flush_callback_; 58 59 DISALLOW_COPY_AND_ASSIGN(Graphics2DResource); 60 }; 61 62 } // namespace proxy 63 } // namespace ppapi 64 65 #endif // PPAPI_PROXY_GRAPHICS_2D_RESOURCE_H_ 66