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// 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 REMOTING_HOST_BASIC_DESKTOP_ENVIRONMENT_H_
#define REMOTING_HOST_BASIC_DESKTOP_ENVIRONMENT_H_
#include <string>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "remoting/host/desktop_environment.h"
namespace webrtc {
class DesktopCaptureOptions;
} // namespace webrtc
namespace remoting {
// Used to create audio/video capturers and event executor that work with
// the local console.
class BasicDesktopEnvironment : public DesktopEnvironment {
public:
~BasicDesktopEnvironment() override;
// DesktopEnvironment implementation.
scoped_ptr<AudioCapturer> CreateAudioCapturer() override;
scoped_ptr<InputInjector> CreateInputInjector() override;
scoped_ptr<ScreenControls> CreateScreenControls() override;
scoped_ptr<webrtc::DesktopCapturer> CreateVideoCapturer() override;
scoped_ptr<webrtc::MouseCursorMonitor> CreateMouseCursorMonitor() override;
std::string GetCapabilities() const override;
void SetCapabilities(const std::string& capabilities) override;
protected:
friend class BasicDesktopEnvironmentFactory;
BasicDesktopEnvironment(
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> video_capture_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
bool supports_touch_events);
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner() const {
return caller_task_runner_;
}
scoped_refptr<base::SingleThreadTaskRunner> video_capture_task_runner()
const {
return video_capture_task_runner_;
}
scoped_refptr<base::SingleThreadTaskRunner> input_task_runner() const {
return input_task_runner_;
}
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner() const {
return ui_task_runner_;
}
webrtc::DesktopCaptureOptions* desktop_capture_options() {
return desktop_capture_options_.get();
}
private:
// Task runner on which methods of DesktopEnvironment interface should be
// called.
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner_;
// Used to run video capturer.
scoped_refptr<base::SingleThreadTaskRunner> video_capture_task_runner_;
// Used to run input-related tasks.
scoped_refptr<base::SingleThreadTaskRunner> input_task_runner_;
// Used to run UI code.
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
// Options shared between |DesktopCapturer| and |MouseCursorMonitor|. It
// might contain expensive resources, thus justifying the sharing.
// Also: it's dynamically allocated to avoid having to bring in
// desktop_capture_options.h which brings in X11 headers which causes hard to
// find build errors.
scoped_ptr<webrtc::DesktopCaptureOptions> desktop_capture_options_;
// True if the touch events capability should be offered.
const bool supports_touch_events_;
DISALLOW_COPY_AND_ASSIGN(BasicDesktopEnvironment);
};
// Used to create |BasicDesktopEnvironment| instances.
class BasicDesktopEnvironmentFactory : public DesktopEnvironmentFactory {
public:
BasicDesktopEnvironmentFactory(
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> video_capture_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
~BasicDesktopEnvironmentFactory() override;
// DesktopEnvironmentFactory implementation.
bool SupportsAudioCapture() const override;
void set_supports_touch_events(bool enable) {
supports_touch_events_ = enable;
}
protected:
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner() const {
return caller_task_runner_;
}
scoped_refptr<base::SingleThreadTaskRunner> video_capture_task_runner()
const {
return video_capture_task_runner_;
}
scoped_refptr<base::SingleThreadTaskRunner> input_task_runner() const {
return input_task_runner_;
}
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner() const {
return ui_task_runner_;
}
bool supports_touch_events() const { return supports_touch_events_; }
private:
// Task runner on which methods of DesktopEnvironmentFactory interface should
// be called.
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner_;
// Used to run video capture tasks.
scoped_refptr<base::SingleThreadTaskRunner> video_capture_task_runner_;
// Used to run input-related tasks.
scoped_refptr<base::SingleThreadTaskRunner> input_task_runner_;
// Used to run UI code.
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
// True if the touch events capability should be offered by the
// DesktopEnvironment instances.
bool supports_touch_events_;
DISALLOW_COPY_AND_ASSIGN(BasicDesktopEnvironmentFactory);
};
} // namespace remoting
#endif // REMOTING_HOST_BASIC_DESKTOP_ENVIRONMENT_H_
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