1 /* 2 * Copyright (C) 2012 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 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * 3. Neither the name of Google Inc. nor the names of its contributors 15 * may be used to endorse or promote products derived from this 16 * 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 MediaConstraints_h 32 #define MediaConstraints_h 33 34 #include "platform/PlatformExport.h" 35 #include "wtf/RefCounted.h" 36 #include "wtf/text/WTFString.h" 37 38 namespace WebCore { 39 40 struct MediaConstraint { 41 MediaConstraint(String name, String value) 42 : m_name(name) 43 , m_value(value) 44 { 45 } 46 47 String m_name; 48 String m_value; 49 }; 50 51 class PLATFORM_EXPORT MediaConstraints : public RefCounted<MediaConstraints> { 52 public: 53 virtual ~MediaConstraints(); 54 55 virtual void getMandatoryConstraints(Vector<MediaConstraint>&) const = 0; 56 virtual void getOptionalConstraints(Vector<MediaConstraint>&) const = 0; 57 58 virtual bool getMandatoryConstraintValue(const String& name, String& value) const = 0; 59 virtual bool getOptionalConstraintValue(const String& name, String& value) const = 0; 60 61 protected: 62 MediaConstraints() { } 63 }; 64 65 } // namespace WebCore 66 67 #endif // MediaConstraints_h 68
