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 #include "wtf/PassRefPtr.h" 35 #include "wtf/RefCounted.h" 36 37 namespace WebCore { 38 39 class Document; 40 class ExceptionState; 41 class MediaStreamDescriptor; 42 class UserMediaController; 43 44 class MediaDevicesRequest FINAL : public RefCountedWillBeRefCountedGarbageCollected<MediaDevicesRequest>, public ActiveDOMObject { 45 public: 46 static PassRefPtrWillBeRawPtr<MediaDevicesRequest> create(ExecutionContext*, UserMediaController*, PassOwnPtr<MediaDeviceInfoCallback>, ExceptionState&); 47 virtual ~MediaDevicesRequest(); 48 callback()49 MediaDeviceInfoCallback* callback() const { return m_callback.get(); } 50 Document* ownerDocument(); 51 52 void start(); 53 54 void succeed(const MediaDeviceInfoVector&); 55 56 // ActiveDOMObject 57 virtual void stop() OVERRIDE; 58 trace(Visitor *)59 void trace(Visitor*) { } 60 61 private: 62 MediaDevicesRequest(ExecutionContext*, UserMediaController*, PassOwnPtr<MediaDeviceInfoCallback>); 63 64 UserMediaController* m_controller; 65 66 OwnPtr<MediaDeviceInfoCallback> m_callback; 67 }; 68 69 } // namespace WebCore 70 71 #endif // MediaDevicesRequest_h 72