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/*
* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_CONFIGURATION_MONITOR_H_
#define MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_CONFIGURATION_MONITOR_H_
#include <ApplicationServices/ApplicationServices.h>
#include <memory>
#include <set>
#include "api/ref_counted_base.h"
#include "modules/desktop_capture/mac/desktop_configuration.h"
#include "rtc_base/constructor_magic.h"
#include "rtc_base/synchronization/mutex.h"
namespace webrtc {
// The class provides functions to synchronize capturing and display
// reconfiguring across threads, and the up-to-date MacDesktopConfiguration.
class DesktopConfigurationMonitor final
: public rtc::RefCountedNonVirtual<DesktopConfigurationMonitor> {
public:
DesktopConfigurationMonitor();
~DesktopConfigurationMonitor();
// Returns the current desktop configuration.
MacDesktopConfiguration desktop_configuration();
private:
static void DisplaysReconfiguredCallback(CGDirectDisplayID display,
CGDisplayChangeSummaryFlags flags,
void* user_parameter);
void DisplaysReconfigured(CGDirectDisplayID display,
CGDisplayChangeSummaryFlags flags);
Mutex desktop_configuration_lock_;
MacDesktopConfiguration desktop_configuration_
RTC_GUARDED_BY(&desktop_configuration_lock_);
std::set<CGDirectDisplayID> reconfiguring_displays_;
RTC_DISALLOW_COPY_AND_ASSIGN(DesktopConfigurationMonitor);
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_CONFIGURATION_MONITOR_H_
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