graphics_2d_resource.h revision f2477e01787aa58f445919b809d89e252beef54f 
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
13namespace ppapi {
14
15class TrackedCallback;
16
17namespace proxy {
18
19class 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  virtual ~Graphics2DResource();
29
30  // Resource overrides.
31  virtual thunk::PPB_Graphics2D_API* AsPPB_Graphics2D_API() OVERRIDE;
32
33  // PPB_Graphics2D_API overrides.
34  virtual PP_Bool Describe(PP_Size* size, PP_Bool* is_always_opaque) OVERRIDE;
35  virtual void PaintImageData(PP_Resource image_data,
36                              const PP_Point* top_left,
37                              const PP_Rect* src_rect) OVERRIDE;
38  virtual void Scroll(const PP_Rect* clip_rect,
39                      const PP_Point* amount) OVERRIDE;
40  virtual void ReplaceContents(PP_Resource image_data) OVERRIDE;
41  virtual PP_Bool SetScale(float scale) OVERRIDE;
42  virtual float GetScale() OVERRIDE;
43  virtual void SetOffset(const PP_Point* offset) OVERRIDE;
44  virtual void SetResizeMode(PP_Graphics2D_Dev_ResizeMode resize_mode) OVERRIDE;
45  virtual int32_t Flush(scoped_refptr<TrackedCallback> callback) OVERRIDE;
46  virtual bool ReadImageData(PP_Resource image,
47                             const PP_Point* top_left) OVERRIDE;
48
49 private:
50  void OnPluginMsgFlushACK(const ResourceMessageReplyParams& params);
51
52  const PP_Size size_;
53  const PP_Bool is_always_opaque_;
54  float scale_;
55
56  scoped_refptr<TrackedCallback> current_flush_callback_;
57
58  DISALLOW_COPY_AND_ASSIGN(Graphics2DResource);
59};
60
61}  // namespace proxy
62}  // namespace ppapi
63
64#endif  // PPAPI_PROXY_GRAPHICS_2D_RESOURCE_H_
65