New Pepper API implementation.

webkit/glue/plugins/pepper_device_context_2d.h

+// Copyright (c) 2010 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 WEBKIT_GLUE_PLUGINS_PEPPER_DEVICE_CONTEXT_2D_H_
+#define WEBKIT_GLUE_PLUGINS_PEPPER_DEVICE_CONTEXT_2D_H_
+
+#include "base/basictypes.h"
+#include "base/scoped_ptr.h"
+#include "third_party/ppapi/c/ppb_device_context_2d.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebCanvas.h"
+#include "webkit/glue/plugins/pepper_resource.h"
+
+typedef struct _ppb_DeviceContext2D PPB_DeviceContext2D;
+
+namespace gfx {
+class Rect;
+}
+
+namespace pepper {
+
+class ImageData;
+class PluginModule;
+
+class DeviceContext2D : public Resource {
+ public:
+  DeviceContext2D(PluginModule* module);
+  virtual ~DeviceContext2D();
+
+  // Returns a pointer to the interface implementing PPB_ImageData that is
+  // exposed to the plugin.
+  static const PPB_DeviceContext2D* GetInterface();
+
+  bool Init(int width, int height);
+
+  // Resource override.
+  virtual DeviceContext2D* AsDeviceContext2D() { return this; }
+
+  void PaintImageData(PP_Resource image,
+                      int32_t x, int32_t y,
+                      const PP_Rect* dirty,
+                      uint32_t dirty_rect_count,
+                      PPB_DeviceContext2D_PaintCallback callback,
+                      void* callback_data);
+
+  void Paint(WebKit::WebCanvas* canvas,
+             const gfx::Rect& plugin_rect,
+             const gfx::Rect& paint_rect);
+
+ private:
+  scoped_ptr<ImageData> image_data_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeviceContext2D);
+};
+
+}  // namespace pepper
+
+#endif  // WEBKIT_GLUE_PLUGINS_PEPPER_DEVICE_CONTEXT_2D_H_