third_party/WebKit/public/web/WebDOMMediaStreamTrack.h

   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 are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef WebDOMMediaStreamTrack_h
  32 #define WebDOMMediaStreamTrack_h
  33
  34 #include "public/platform/WebMediaStreamTrack.h"
  35 #include "public/platform/WebPrivatePtr.h"
  36
  37 #if BLINK_IMPLEMENTATION
  38 #include "wtf/PassRefPtr.h"
  39 #endif
  40
  41 namespace v8 {
  42 class Value;
  43 template <class T> class Local;
  44 }
  45
  46 namespace blink {
  47
  48 class MediaStreamTrack;
  49
  50 class WebDOMMediaStreamTrack {
  51 public:
  52     WebDOMMediaStreamTrack(const WebDOMMediaStreamTrack& b) { assign(b); }
  53     ~WebDOMMediaStreamTrack() { reset(); }
  54
  55     WebDOMMediaStreamTrack& operator=(const WebDOMMediaStreamTrack& b)
  56     {
  57         assign(b);
  58         return *this;
  59     }
  60
  61     bool isNull() const { return m_private.isNull(); }
  62
  63     BLINK_EXPORT static WebDOMMediaStreamTrack fromV8Value(v8::Local<v8::Value>);
  64
  65     BLINK_EXPORT void reset();
  66     BLINK_EXPORT void assign(const WebDOMMediaStreamTrack&);
  67     BLINK_EXPORT WebMediaStreamTrack component() const;
  68
  69 private:
  70 #if BLINK_IMPLEMENTATION
  71     WebDOMMediaStreamTrack(PassRefPtrWillBeRawPtr<MediaStreamTrack>);
  72 #endif
  73
  74     WebPrivatePtr<MediaStreamTrack> m_private;
  75 };
  76
  77 } // namespace blink
  78
  79 #endif