Implemented Browser Plugin (NOT FOR REVIEW)

content/renderer/guest_to_host_channel.h

+// 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 CONTENT_RENDERER_GUEST_TO_HOST_CHANNEL_H_
+#define CONTENT_RENDERER_GUEST_TO_HOST_CHANNEL_H_
+#pragma once
+
+#include "content/renderer/gpu/webgraphicscontext3d_guest.h"
+#include "gpu/command_buffer/client/gles2_cmd_helper.h"
+#include "gpu/command_buffer/client/gles2_implementation.h"
+#include "ipc/ipc_channel_handle.h"
+#include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/shared_impl/ppb_view_shared.h"
+#include "ppapi/proxy/proxy_channel.h"
+#include "ppapi/proxy/serialized_var.h"
+#include "ppapi/shared_impl/host_resource.h"
+#include "ppapi/shared_impl/ppapi_preferences.h"
+#include "ppapi/shared_impl/ppb_input_event_shared.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebGraphicsContext3D.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
+
+class GuestRenderViewObserver;
+
+namespace gpu {
+  class CommandBuffer;
+}
+
+class GuestToHostChannel: public ppapi::proxy::ProxyChannel {
+public:
+  class ProxyChannelDelegateImpl:
+      public ppapi::proxy::ProxyChannel::Delegate {
+  public:
+   virtual ~ProxyChannelDelegateImpl() { }
+
+    // Returns the dedicated message loop for processing IPC requests.
+    virtual base::MessageLoopProxy* GetIPCMessageLoop();
+
+    // Returns the event object that becomes signalled when the main thread's
+    // message loop exits.
+    virtual base::WaitableEvent* GetShutdownEvent();
+  };
+
+  GuestToHostChannel(GuestRenderViewObserver* guest,
+                     WebKit::WebView* webview);
+
+  virtual ~GuestToHostChannel() { }
+
+  bool InitChannel(const IPC::ChannelHandle& channel_handle);
+
+  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
+
+  virtual bool Send(IPC::Message* message) OVERRIDE;
+
+  virtual void OnChannelError() OVERRIDE;
+
+  WebKit::WebGraphicsContext3D* GetWebGraphicsContext3D();
+
+  int width() const { return width_; }
+
+  int height() const { return height_; }
+
+private:
+  friend class WebGraphicsContext3DGuest;
+
+  void IssueSwapBuffers();
+
+  bool BindGraphics();
+
+  void RequestInputEvents();
+
+  void CreateGraphicsContext();
+
+  void OnMsgSupportsInterface(const std::string& interface_name, bool*result);
+
+  void OnMsgSetPreferences(const ppapi::Preferences& prefs);
+
+  void OnMsgReserveInstanceId(PP_Instance instance, bool* usable);
+
+  // Message handlers from ppp_instance_proxy
+  void OnPluginMsgDidCreate(PP_Instance instance,
+                            const std::vector<std::string>& argn,
+                            const std::vector<std::string>& argv,
+                            PP_Bool* result);
+  void OnPluginMsgDidDestroy(PP_Instance instance);
+  void OnPluginMsgDidChangeView(PP_Instance instance,
+                                const ppapi::ViewData& new_data,
+                                PP_Bool flash_fullscreen);
+  void OnPluginMsgDidChangeFocus(PP_Instance instance, PP_Bool has_focus);
+  void OnPluginMsgHandleDocumentLoad(PP_Instance instance,
+                                     const ppapi::HostResource& url_loader,
+                                     PP_Bool* result);
+
+  // Message handlers from ppp_instance_private_proxy
+  void OnMsgGetInstanceObject(PP_Instance instance,
+                              ppapi::proxy::SerializedVarReturnValue result);
+
+  // Message handlers from ppp_messaging_proxy
+  void OnMsgHandleMessage(PP_Instance instance,
+                          ppapi::proxy::SerializedVarReceiveInput data);
+
+  // Message handlers from ppp_input_event_proxy
+  void OnMsgHandleInputEvent(PP_Instance instance,
+                             const ppapi::InputEventData& data);
+  void OnMsgHandleFilteredInputEvent(PP_Instance instance,
+                                     const ppapi::InputEventData& data,
+                                     PP_Bool* result);
+
+  // Message handlers from ppb_graphics_3d_proxy
+  void OnMsgSwapBuffersACK(const ppapi::HostResource& context,
+                           int32_t pp_error);
+
+  // Message handlers from ppp_graphics3d_proxy
+  void OnMsgContextLost(PP_Instance instance);
+
+  WebKit::WebView* webview_;
+  GuestRenderViewObserver* guest_;
+  ProxyChannelDelegateImpl delegate_;
+  PP_Instance instance_;
+  ppapi::HostResource resource_;
+  scoped_ptr<WebGraphicsContext3DGuest> context_;
+  int width_;
+  int height_;
+};
+#endif