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