Home | History | Annotate | Download | only in mediastream
      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