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      1 /*
      2  * Copyright (C) 2011 Ericsson AB. All rights reserved.
      3  * Copyright (C) 2013 Google Inc. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer
     13  *    in the documentation and/or other materials provided with the
     14  *    distribution.
     15  * 3. Neither the name of Ericsson nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this
     17  *    software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef MediaStreamComponent_h
     33 #define MediaStreamComponent_h
     34 
     35 #include "wtf/PassRefPtr.h"
     36 #include "wtf/RefCounted.h"
     37 #include "wtf/text/WTFString.h"
     38 
     39 namespace WebCore {
     40 
     41 class MediaStreamDescriptor;
     42 class MediaStreamSource;
     43 
     44 class MediaStreamComponent : public RefCounted<MediaStreamComponent> {
     45 public:
     46     static PassRefPtr<MediaStreamComponent> create(PassRefPtr<MediaStreamSource>);
     47     static PassRefPtr<MediaStreamComponent> create(const String& id, PassRefPtr<MediaStreamSource>);
     48     static PassRefPtr<MediaStreamComponent> create(MediaStreamDescriptor*, PassRefPtr<MediaStreamSource>);
     49 
     50     MediaStreamDescriptor* stream() const { return m_stream; }
     51     void setStream(MediaStreamDescriptor* stream) { ASSERT(!m_stream && stream); m_stream = stream; }
     52 
     53     MediaStreamSource* source() const { return m_source.get(); }
     54 
     55     String id() const { return m_id; }
     56     bool enabled() const { return m_enabled; }
     57     void setEnabled(bool enabled) { m_enabled = enabled; }
     58 
     59 private:
     60     MediaStreamComponent(const String& id, MediaStreamDescriptor*, PassRefPtr<MediaStreamSource>);
     61 
     62     MediaStreamDescriptor* m_stream;
     63     RefPtr<MediaStreamSource> m_source;
     64     String m_id;
     65     bool m_enabled;
     66 };
     67 
     68 typedef Vector<RefPtr<MediaStreamComponent> > MediaStreamComponentVector;
     69 
     70 } // namespace WebCore
     71 
     72 #endif // MediaStreamComponent_h
     73