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// Copyright (c) 2011 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 REMOTING_CLIENT_CHROMOTING_VIEW_H_
#define REMOTING_CLIENT_CHROMOTING_VIEW_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "media/base/video_frame.h"
#include "remoting/protocol/connection_to_host.h"
class MessageLoop;
namespace base {
class WaitableEvent;
} // namespace base
namespace remoting {
static const uint32 kCreatedColor = 0xffccccff;
static const uint32 kDisconnectedColor = 0xff00ccff;
static const uint32 kFailedColor = 0xffcc00ff;
// ChromotingView defines the behavior of an object that draws a view of the
// remote desktop. Its main function is to render the update stream onto the
// screen.
class ChromotingView {
public:
ChromotingView();
virtual ~ChromotingView();
// Get screen dimensions.
// TODO(garykac): This will need to be extended to support multi-monitors.
void GetScreenSize(int* width, int* height);
// Initialize the common structures for the view.
virtual bool Initialize() = 0;
// Free up resources allocated by this view.
virtual void TearDown() = 0;
// Tells the ChromotingView to paint the current image on the screen.
virtual void Paint() = 0;
// Fill the screen with one single static color, and ignore updates.
// Useful for debugging.
virtual void SetSolidFill(uint32 color) = 0;
// Removes a previously set solid fill. If no fill was previous set, this
// does nothing.
virtual void UnsetSolidFill() = 0;
// Record the update the state of the connection, updating the UI as needed.
virtual void SetConnectionState(protocol::ConnectionToHost::State state,
protocol::ConnectionToHost::Error error) = 0;
// Update the status of the last login attempt. Updating the UI as needed.
// |success| is set to true if the last login successful otherwise false.
// |info| contains the error information if available.
virtual void UpdateLoginStatus(bool success, const std::string& info) = 0;
// Return the horizontal scale factor of this view.
virtual double GetHorizontalScaleRatio() const = 0;
// Return the vertical scale factor of this view.
virtual double GetVerticalScaleRatio() const = 0;
protected:
// Framebuffer for the decoder.
scoped_refptr<media::VideoFrame> frame_;
// Dimensions of |frame_| bitmap.
int frame_width_;
int frame_height_;
};
} // namespace remoting
#endif // REMOTING_CLIENT_CHROMOTING_VIEW_H_