Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/third_party/libwebrtc/modules/desktop_capture/mac/desktop_configuration_monitor.h b/third_party/libwebrtc/modules/desktop_capture/mac/desktop_configuration_monitor.h
new file mode 100644
index 0000000000..747295a538
--- /dev/null
+++ b/third_party/libwebrtc/modules/desktop_capture/mac/desktop_configuration_monitor.h
@@ -0,0 +1,55 @@
+/*
+ *  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/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();
+
+  DesktopConfigurationMonitor(const DesktopConfigurationMonitor&) = delete;
+  DesktopConfigurationMonitor& operator=(const DesktopConfigurationMonitor&) =
+      delete;
+
+  // 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_;
+};
+
+}  // namespace webrtc
+
+#endif  // MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_CONFIGURATION_MONITOR_H_