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 MediaConstraintsImpl_h 32#define MediaConstraintsImpl_h 33 34#if ENABLE(MEDIA_STREAM) 35 36#include "ExceptionBase.h" 37#include "MediaConstraints.h" 38#include <wtf/HashMap.h> 39#include <wtf/Vector.h> 40 41namespace WebCore { 42class Dictionary; 43 44class MediaConstraintsImpl : public MediaConstraints { 45public: 46 static PassRefPtr<MediaConstraintsImpl> create(); 47 static PassRefPtr<MediaConstraintsImpl> create(const Dictionary&, ExceptionCode&); 48 49 virtual ~MediaConstraintsImpl(); 50 bool initialize(const Dictionary&); 51 52 virtual void getMandatoryConstraints(Vector<MediaConstraint>&) const override; 53 virtual void getOptionalConstraints(Vector<MediaConstraint>&) const override; 54 55 virtual bool getMandatoryConstraintValue(const String& name, String& value) const override; 56 virtual bool getOptionalConstraintValue(const String& name, String& value) const override; 57 58private: 59 MediaConstraintsImpl() { } 60 61 HashMap<String, String> m_mandatoryConstraints; 62 Vector<MediaConstraint> m_optionalConstraints; 63}; 64 65} // namespace WebCore 66 67#endif // ENABLE(MEDIA_STREAM) 68 69#endif // MediaConstraintsImpl_h 70 71 72