1 /* 2 * Copyright (C) 2014 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef MediaDevicesRequest_h 27 #define MediaDevicesRequest_h 28 29 #include "core/dom/ActiveDOMObject.h" 30 #include "modules/mediastream/MediaDeviceInfo.h" 31 #include "modules/mediastream/MediaDeviceInfoCallback.h" 32 #include "platform/heap/Handle.h" 33 #include "wtf/PassOwnPtr.h" 34 35 namespace blink { 36 37 class Document; 38 class ExceptionState; 39 class MediaStreamDescriptor; 40 class UserMediaController; 41 42 class MediaDevicesRequest FINAL : public GarbageCollectedFinalized<MediaDevicesRequest>, public ActiveDOMObject { 43 public: 44 static MediaDevicesRequest* create(ExecutionContext*, UserMediaController*, MediaDeviceInfoCallback*, ExceptionState&); 45 virtual ~MediaDevicesRequest(); 46 callback()47 MediaDeviceInfoCallback* callback() const { return m_callback.get(); } 48 Document* ownerDocument(); 49 50 void start(); 51 52 void succeed(const MediaDeviceInfoVector&); 53 54 // ActiveDOMObject 55 virtual void stop() OVERRIDE; 56 57 void trace(Visitor*); 58 59 private: 60 MediaDevicesRequest(ExecutionContext*, UserMediaController*, MediaDeviceInfoCallback*); 61 62 UserMediaController* m_controller; 63 64 Member<MediaDeviceInfoCallback> m_callback; 65 }; 66 67 } // namespace blink 68 69 #endif // MediaDevicesRequest_h 70