Reapply r51857 to start building chromoting plugin. Update for ppapi changes.

remoting/client/plugin/pepper_view.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.
 
+// This class is an implementation of the ChromotingView using Pepper devices
+// as the backing stores.  The public APIs to this class are thread-safe.
+// Calls will dispatch any interaction with the pepper API onto the pepper
+// main thread.
+//
+// TODO(ajwong): We need to better understand the threading semantics of this
+// class.  Currently, we're just going to always run everything on the pepper
+// main thread.  Is this smart?
+
 #ifndef REMOTING_CLIENT_PLUGIN_PEPPER_VIEW_H_
 #define REMOTING_CLIENT_PLUGIN_PEPPER_VIEW_H_
 
 #include "base/scoped_ptr.h"
 #include "base/task.h"
+#include "media/base/video_frame.h"
 #include "remoting/client/chromoting_view.h"
-#include "third_party/npapi/bindings/npapi.h"
-#include "third_party/npapi/bindings/npapi_extensions.h"
-
-class MessageLoop;
+#include "remoting/client/decoder.h"
+#include "third_party/ppapi/cpp/device_context_2d.h"
 
 namespace remoting {
 
+class ChromotingPlugin;
 class Decoder;
 
 class PepperView : public ChromotingView {
  public:
-  // Constructs a PepperView that draw to the |rendering_device|. The
+  // Constructs a PepperView that draws to the |rendering_device|. The
   // |rendering_device| instance must outlive this class.
   //
   // TODO(ajwong): This probably needs to synchronize with the pepper thread
   // to be safe.
-  PepperView(MessageLoop* message_loop, NPDevice* rendering_device,
-             NPP plugin_instance);
+  explicit PepperView(ChromotingPlugin* plugin);
   virtual ~PepperView();
 
   // ChromotingView implementation.
   virtual void Paint();
   virtual void SetSolidFill(uint32 color);
   virtual void UnsetSolidFill();
   virtual void SetViewport(int x, int y, int width, int height);
   virtual void SetBackingStoreSize(int width, int height);
   virtual void HandleBeginUpdateStream(HostMessage* msg);
   virtual void HandleUpdateStreamPacket(HostMessage* msg);
   virtual void HandleEndUpdateStream(HostMessage* msg);
 
  private:
-  void DoPaint();
-  void DoSetSolidFill(uint32 color);
-  void DoUnsetSolidFill();
-  void DoSetViewport(int x, int y, int width, int height);
-  void DoSetBackingStoreSize(int width, int height);
-  void DoHandleBeginUpdateStream(HostMessage* msg);
-  void DoHandleUpdateStreamPacket(HostMessage* msg);
-  void DoHandleEndUpdateStream(HostMessage* msg);
+  void OnPaintDone();
+  void OnPartialDecodeDone();
+  void OnDecodeDone();
 
-  // Synchronization and thread handling objects.
-  MessageLoop* message_loop_;
+  // Reference to the creating plugin instance. Needed for interacting with
+  // pepper.  Marking explciitly as const since it must be initialized at
+  // object creation, and never change.
+  ChromotingPlugin* const plugin_;
 
-  // Handles to Pepper objects needed for drawing to the screen.
-  NPDevice* rendering_device_;
-  NPP plugin_instance_;
+  pp::DeviceContext2D device_context_;
 
   int backing_store_width_;
   int backing_store_height_;
 
   int viewport_x_;
   int viewport_y_;
   int viewport_width_;
   int viewport_height_;
 
   bool is_static_fill_;
   uint32 static_fill_color_;
 
+  scoped_refptr<media::VideoFrame> frame_;
+  UpdatedRects update_rects_;
+  UpdatedRects all_update_rects_;
+
   scoped_ptr<Decoder> decoder_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperView);
 };
 
 }  // namespace remoting
 
 DISABLE_RUNNABLE_METHOD_REFCOUNT(remoting::PepperView);
 
 #endif  // REMOTING_CLIENT_PLUGIN_PEPPER_VIEW_H_