1 /* 2 * Copyright (C) 2013 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 APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef WebMediaStream_h 26 #define WebMediaStream_h 27 28 #include "WebCommon.h" 29 #include "WebNonCopyable.h" 30 #include "WebPrivatePtr.h" 31 #include "WebVector.h" 32 33 namespace WebCore { 34 class MediaStreamDescriptor; 35 } 36 37 namespace blink { 38 39 class WebMediaStreamSource; 40 class WebMediaStreamTrack; 41 class WebString; 42 43 class WebMediaStream { 44 public: 45 class ExtraData { 46 public: 47 virtual ~ExtraData() { } 48 }; 49 50 WebMediaStream() { } 51 WebMediaStream(const WebMediaStream& other) { assign(other); } 52 ~WebMediaStream() { reset(); } 53 54 WebMediaStream& operator=(const WebMediaStream& other) 55 { 56 assign(other); 57 return *this; 58 } 59 60 BLINK_EXPORT void assign(const WebMediaStream&); 61 62 BLINK_EXPORT void initialize(const WebVector<WebMediaStreamTrack>& audioTracks, const WebVector<WebMediaStreamTrack>& videoTracks); 63 BLINK_EXPORT void initialize(const WebString& label, const WebVector<WebMediaStreamTrack>& audioTracks, const WebVector<WebMediaStreamTrack>& videoTracks); 64 65 BLINK_EXPORT void reset(); 66 bool isNull() const { return m_private.isNull(); } 67 68 BLINK_EXPORT WebString id() const; 69 70 BLINK_EXPORT void audioTracks(WebVector<WebMediaStreamTrack>&) const; 71 BLINK_EXPORT void videoTracks(WebVector<WebMediaStreamTrack>&) const; 72 73 BLINK_EXPORT void addTrack(const WebMediaStreamTrack&); 74 BLINK_EXPORT void removeTrack(const WebMediaStreamTrack&); 75 76 // Extra data associated with this WebMediaStream. 77 // If non-null, the extra data pointer will be deleted when the object is destroyed. 78 // Setting the extra data pointer will cause any existing non-null 79 // extra data pointer to be deleted. 80 BLINK_EXPORT ExtraData* extraData() const; 81 BLINK_EXPORT void setExtraData(ExtraData*); 82 83 #if BLINK_IMPLEMENTATION 84 WebMediaStream(WebCore::MediaStreamDescriptor*); 85 WebMediaStream(const WTF::PassRefPtr<WebCore::MediaStreamDescriptor>&); 86 operator WTF::PassRefPtr<WebCore::MediaStreamDescriptor>() const; 87 operator WebCore::MediaStreamDescriptor*() const; 88 WebMediaStream& operator=(const WTF::PassRefPtr<WebCore::MediaStreamDescriptor>&); 89 #endif 90 91 private: 92 WebPrivatePtr<WebCore::MediaStreamDescriptor> m_private; 93 }; 94 95 } // namespace blink 96 97 #endif // WebMediaStream_h 98
