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#if ENABLE(MEDIA_STREAM) 35 36#include <wtf/RefCounted.h> 37#include <wtf/text/WTFString.h> 38 39namespace WebCore { 40 41struct MediaConstraint { 42 MediaConstraint(String name, String value) 43 : m_name(name) 44 , m_value(value) 45 { 46 } 47 48 String m_name; 49 String m_value; 50}; 51 52class MediaConstraints : public RefCounted<MediaConstraints> { 53public: 54 virtual ~MediaConstraints() { } 55 56 virtual void getMandatoryConstraints(Vector<MediaConstraint>&) const = 0; 57 virtual void getOptionalConstraints(Vector<MediaConstraint>&) const = 0; 58 59 virtual bool getMandatoryConstraintValue(const String& name, String& value) const = 0; 60 virtual bool getOptionalConstraintValue(const String& name, String& value) const = 0; 61 62protected: 63 MediaConstraints() { } 64}; 65 66} // namespace WebCore 67 68#endif // ENABLE(MEDIA_STREAM) 69 70#endif // MediaConstraints_h 71