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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // MediaPermission implementation which dispatches queries/requests to Mojo | |
| 6 // PermissionService. It relies on its base class MediaPermissionDispatcher to | |
| 7 // manage pending callbacks. Non-UI threads could create | |
| 8 // MediaPermissionDispatcherProxy by calling CreateProxy such that calls will be | |
| 9 // executed on the UI thread which is where this object lives. | |
| 10 | |
| 11 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_PERMISSION_DISPATCHER_IMPL_H_ | |
| 12 #define CONTENT_RENDERER_MEDIA_MEDIA_PERMISSION_DISPATCHER_IMPL_H_ | |
| 13 | |
| 14 #include <stdint.h> | |
| 15 | |
| 16 #include <map> | |
| 17 | |
| 18 #include "base/macros.h" | |
| 19 #include "base/single_thread_task_runner.h" | |
| 20 #include "base/threading/thread_checker.h" | |
| 21 #include "content/common/content_export.h" | |
| 22 #include "content/common/permission_service.mojom.h" | |
| 23 #include "content/public/renderer/render_frame_observer.h" | |
| 24 #include "content/renderer/media/media_permission_dispatcher.h" | |
| 25 #include "media/base/media_permission.h" | |
| 26 | |
| 27 namespace content { | |
| 28 | |
| 29 class CONTENT_EXPORT MediaPermissionDispatcherImpl | |
| 30 : public MediaPermissionDispatcher, | |
| 31 public RenderFrameObserver { | |
| 32 public: | |
| 33 explicit MediaPermissionDispatcherImpl(RenderFrame* render_frame); | |
| 34 ~MediaPermissionDispatcherImpl() override; | |
| 35 | |
| 36 // media::MediaPermission implementation. | |
| 37 void HasPermission(Type type, | |
| 38 const GURL& security_origin, | |
| 39 const PermissionStatusCB& permission_status_cb) override; | |
| 40 | |
| 41 // MediaStreamDevicePermissionContext doesn't support RequestPermission yet | |
| 42 // and will always return CONTENT_SETTING_BLOCK. | |
| 43 void RequestPermission( | |
| 44 Type type, | |
| 45 const GURL& security_origin, | |
| 46 const PermissionStatusCB& permission_status_cb) override; | |
| 47 | |
| 48 // Create MediaPermissionDispatcherProxy object which will dispatch the | |
| 49 // callback between the |caller_task_runner| and |task_runner_| in a thread | |
| 50 // safe way. This can be called from non-UI thread. | |
| 51 scoped_ptr<media::MediaPermission> CreateProxy( | |
| 52 scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner); | |
| 53 | |
| 54 private: | |
| 55 // Callback for |permission_service_| calls. | |
| 56 void OnPermissionStatus(uint32_t request_id, PermissionStatus status); | |
| 57 | |
| 58 const scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | |
| 59 | |
| 60 PermissionServicePtr permission_service_; | |
| 61 | |
| 62 base::WeakPtrFactory<MediaPermissionDispatcherImpl> weak_ptr_factory_; | |
| 63 | |
| 64 DISALLOW_COPY_AND_ASSIGN(MediaPermissionDispatcherImpl); | |
| 65 }; | |
| 66 | |
| 67 } // namespace content | |
| 68 | |
| 69 #endif // CONTENT_RENDERER_MEDIA_MEDIA_PERMISSION_DISPATCHER_IMPL_H_ | |
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Chromium Code Reviews
Issue 1464183002:
media: Simplify MediaPermissionDispatcher. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master