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      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
     74