9155e4986d
Bug: webrtc:8270 Change-Id: Ibdab81b3fcbe6cba9ae24033f56c84b13c868b21 Reviewed-on: https://webrtc-review.googlesource.com/2684 Commit-Queue: Niels Moller <nisse@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20386}
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
/*
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* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_CONFIGURATION_MONITOR_H_
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#define MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_CONFIGURATION_MONITOR_H_
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#include <ApplicationServices/ApplicationServices.h>
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#include <memory>
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#include <set>
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#include "api/refcountedbase.h"
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#include "modules/desktop_capture/mac/desktop_configuration.h"
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#include "rtc_base/constructormagic.h"
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namespace webrtc {
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class EventWrapper;
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// The class provides functions to synchronize capturing and display
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// reconfiguring across threads, and the up-to-date MacDesktopConfiguration.
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class DesktopConfigurationMonitor : public rtc::RefCountedBase {
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public:
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DesktopConfigurationMonitor();
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// Acquires a lock on the current configuration.
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void Lock();
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// Releases the lock previously acquired.
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void Unlock();
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// Returns the current desktop configuration. Should only be called when the
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// lock has been acquired.
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const MacDesktopConfiguration& desktop_configuration() {
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return desktop_configuration_;
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}
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protected:
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~DesktopConfigurationMonitor() override;
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private:
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static void DisplaysReconfiguredCallback(CGDirectDisplayID display,
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CGDisplayChangeSummaryFlags flags,
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void *user_parameter);
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void DisplaysReconfigured(CGDirectDisplayID display,
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CGDisplayChangeSummaryFlags flags);
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std::set<CGDirectDisplayID> reconfiguring_displays_;
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MacDesktopConfiguration desktop_configuration_;
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std::unique_ptr<EventWrapper> display_configuration_capture_event_;
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RTC_DISALLOW_COPY_AND_ASSIGN(DesktopConfigurationMonitor);
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};
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} // namespace webrtc
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#endif // MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_CONFIGURATION_MONITOR_H_
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