Migrate Graphics2D to new design, as part of the whole Pepper resource redesign.
New design provides higher performance and involves writing much less code. See the pepper implementation doc for detail.
http://www.chromium.org/developers/design-documents/pepper-plugin-implementation
TODO: Inline impl to PepperGraphics2DHost
Original review URL: https://codereview.chromium.org/11053003/
Patch by Victor Hsieh
R = brettw, Cris Neckar
Review URL: https://codereview.chromium.org/11414171
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@170225 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/ppapi/proxy/graphics_2d_resource.h b/ppapi/proxy/graphics_2d_resource.h
new file mode 100644
index 0000000..01309dc
--- /dev/null
+++ b/ppapi/proxy/graphics_2d_resource.h
@@ -0,0 +1,63 @@
+// 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 bool SetScale(float scale) OVERRIDE;
+ virtual float GetScale() OVERRIDE;
+ virtual int32_t Flush(scoped_refptr<TrackedCallback> callback,
+ PP_Resource* old_image_data) 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_
