New Pepper API implementation.

webkit/glue/plugins/pepper_plugin_instance.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_PLUGIN_INSTANCE_H_
+#define WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_INSTANCE_H_
+
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/ref_counted.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebCanvas.h"
+
+typedef struct _pp_Instance PP_Instance;
+typedef struct _pp_Resource PP_Resource;
+typedef struct _ppb_Instance PPB_Instance;
+typedef struct _ppp_Instance PPP_Instance;
+
+namespace gfx {
+class Rect;
+}
+
+namespace WebKit {
+struct WebCursorInfo;
+class WebInputEvent;
+}
+
+namespace pepper {
+
+class DeviceContext2D;
+class PluginDelegate;
+class PluginModule;
+
+class PluginInstance : public base::RefCounted<PluginInstance> {
+ public:
+  PluginInstance(PluginDelegate* delegate,
+                 PluginModule* module,
+                 const PPP_Instance* instance_interface);
+  ~PluginInstance();
+
+  static const PPB_Instance* GetInterface();
+
+  // Converts the given instance ID to an actual instance object.
+  static PluginInstance* FromPPInstance(PP_Instance instance);
+
+  PluginDelegate* delegate() const { return delegate_; }
+  PluginModule* module() const { return module_.get(); }
+
+  PP_Instance GetPPInstance();
+
+  void Paint(WebKit::WebCanvas* canvas,
+             const gfx::Rect& plugin_rect,
+             const gfx::Rect& paint_rect);
+
+  // PPB_Instance implementation.
+  bool BindGraphicsDeviceContext(PP_Resource device_id);
+
+  // PPP_Instance pass-through.
+  void Delete();
+  bool Initialize(const std::vector<std::string>& arg_names,
+                  const std::vector<std::string>& arg_values);
+  bool HandleInputEvent(const WebKit::WebInputEvent& event,
+                        WebKit::WebCursorInfo* cursor_info);
+  void ViewChanged(const gfx::Rect& position, const gfx::Rect& clip);
+
+ private:
+  PluginDelegate* delegate_;
+  scoped_refptr<PluginModule> module_;
+  const PPP_Instance* instance_interface_;
+
+  // The current device context for painting in 2D.
+  scoped_refptr<DeviceContext2D> device_context_2d_;
+
+  DISALLOW_COPY_AND_ASSIGN(PluginInstance);
+};
+
+}  // namespace pepper
+
+#endif  // WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_INSTANCE_H_