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      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 #include "config.h"
     32 
     33 #include "modules/mediastream/RTCSessionDescription.h"
     34 
     35 #include "bindings/v8/Dictionary.h"
     36 #include "bindings/v8/ExceptionState.h"
     37 #include "core/dom/ExceptionCode.h"
     38 #include "public/platform/WebRTCSessionDescription.h"
     39 
     40 namespace WebCore {
     41 
     42 static bool verifyType(const String& type)
     43 {
     44     return type == "offer" || type == "pranswer" || type == "answer";
     45 }
     46 
     47 PassRefPtr<RTCSessionDescription> RTCSessionDescription::create(const Dictionary& dictionary, ExceptionState& es)
     48 {
     49     String type;
     50     bool ok = dictionary.get("type", type);
     51     if (!ok || !verifyType(type)) {
     52         es.throwDOMException(TypeMismatchError);
     53         return 0;
     54     }
     55 
     56     String sdp;
     57     ok = dictionary.get("sdp", sdp);
     58     if (!ok || sdp.isEmpty()) {
     59         es.throwDOMException(TypeMismatchError);
     60         return 0;
     61     }
     62 
     63     return adoptRef(new RTCSessionDescription(WebKit::WebRTCSessionDescription(type, sdp)));
     64 }
     65 
     66 PassRefPtr<RTCSessionDescription> RTCSessionDescription::create(WebKit::WebRTCSessionDescription webSessionDescription)
     67 {
     68     return adoptRef(new RTCSessionDescription(webSessionDescription));
     69 }
     70 
     71 RTCSessionDescription::RTCSessionDescription(WebKit::WebRTCSessionDescription webSessionDescription)
     72     : m_webSessionDescription(webSessionDescription)
     73 {
     74     ScriptWrappable::init(this);
     75 }
     76 
     77 RTCSessionDescription::~RTCSessionDescription()
     78 {
     79 }
     80 
     81 String RTCSessionDescription::type()
     82 {
     83     return m_webSessionDescription.type();
     84 }
     85 
     86 void RTCSessionDescription::setType(const String& type, ExceptionState& es)
     87 {
     88     if (verifyType(type))
     89         m_webSessionDescription.setType(type);
     90     else
     91         es.throwDOMException(TypeMismatchError);
     92 }
     93 
     94 String RTCSessionDescription::sdp()
     95 {
     96     return m_webSessionDescription.sdp();
     97 }
     98 
     99 void RTCSessionDescription::setSdp(const String& sdp, ExceptionState& es)
    100 {
    101     m_webSessionDescription.setSDP(sdp);
    102 }
    103 
    104 WebKit::WebRTCSessionDescription RTCSessionDescription::webSessionDescription()
    105 {
    106     return m_webSessionDescription;
    107 }
    108 
    109 } // namespace WebCore
    110