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// 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 "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 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.
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 OnPaintDone();
void OnPartialDecodeDone();
void OnDecodeDone();
// 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_;
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_
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