Index: content/renderer/media/media_devices_listener_impl.h |
diff --git a/content/renderer/media/media_devices_listener_impl.h b/content/renderer/media/media_devices_listener_impl.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5198457a6c87620a77e5214a685e5c61e78d24e3 |
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+++ b/content/renderer/media/media_devices_listener_impl.h |
@@ -0,0 +1,42 @@ |
+// Copyright 2016 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 CONTENT_RENDERER_MEDIA_MEDIA_DEVICES_LISTENER_IMPL_H_ |
+#define CONTENT_RENDERER_MEDIA_MEDIA_DEVICES_LISTENER_IMPL_H_ |
+ |
+#include "base/macros.h" |
+#include "base/threading/thread_checker.h" |
+#include "content/common/content_export.h" |
+#include "content/common/media/media_devices.h" |
+#include "content/common/media/media_devices.mojom.h" |
+ |
+namespace content { |
+ |
+// This class implements a Mojo object that receives notifications about changes |
+// in the set of media devices for a given frame. |
+class CONTENT_EXPORT MediaDevicesListenerImpl |
+ : public ::mojom::MediaDevicesListener { |
+ public: |
+ static void Create(int render_frame_id, |
+ ::mojom::MediaDevicesListenerRequest request); |
+ explicit MediaDevicesListenerImpl(int render_frame_id); |
+ ~MediaDevicesListenerImpl() override; |
+ |
+ // ::mojom::MediaDevicesListener implementation. |
+ void OnDevicesChanged(MediaDeviceType type, |
+ uint32_t subscription_id, |
+ const MediaDeviceInfoArray& device_infos) override; |
+ |
+ private: |
+ // Used for DCHECKs so methods calls won't execute in the wrong thread. |
+ base::ThreadChecker thread_checker_; |
+ |
+ int render_frame_id_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(MediaDevicesListenerImpl); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_RENDERER_MEDIA_MEDIA_DEVICES_LISTENER_IMPL_H_ |