third_party/WebKit/public/platform/WebMediaDeviceInfo.h

   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 WebMediaDeviceInfo_h
  27 #define WebMediaDeviceInfo_h
  28
  29 #include "WebCommon.h"
  30 #include "WebNonCopyable.h"
  31 #include "WebPrivatePtr.h"
  32 #include "WebString.h"
  33
  34 namespace blink {
  35
  36 class WebMediaDeviceInfoPrivate;
  37
  38 class WebMediaDeviceInfo {
  39 public:
  40     enum MediaDeviceKind {
  41         MediaDeviceKindAudioInput,
  42         MediaDeviceKindAudioOutput,
  43         MediaDeviceKindVideoInput
  44     };
  45
  46     WebMediaDeviceInfo() { }
  47     WebMediaDeviceInfo(const WebMediaDeviceInfo& other) { assign(other); }
  48     ~WebMediaDeviceInfo() { reset(); }
  49
  50     WebMediaDeviceInfo& operator=(const WebMediaDeviceInfo& other)
  51     {
  52         assign(other);
  53         return *this;
  54     }
  55
  56     BLINK_PLATFORM_EXPORT void assign(const WebMediaDeviceInfo&);
  57
  58     BLINK_PLATFORM_EXPORT void initialize(const WebString& deviceId, MediaDeviceKind, const WebString& label, const WebString& groupId);
  59     BLINK_PLATFORM_EXPORT void reset();
  60     bool isNull() const { return m_private.isNull(); }
  61
  62     BLINK_PLATFORM_EXPORT WebString deviceId() const;
  63     BLINK_PLATFORM_EXPORT MediaDeviceKind kind() const;
  64     BLINK_PLATFORM_EXPORT WebString label() const;
  65     BLINK_PLATFORM_EXPORT WebString groupId() const;
  66
  67 private:
  68     WebPrivatePtr<WebMediaDeviceInfoPrivate> m_private;
  69 };
  70
  71 } // namespace blink
  72
  73 #endif // WebMediaDeviceInfo_h