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      1 /*
      2  * libjingle
      3  * Copyright 2012 Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 // Implements the IceCandidateInterface.
     29 
     30 #ifndef TALK_APP_WEBRTC_JSEPICECANDIDATE_H_
     31 #define TALK_APP_WEBRTC_JSEPICECANDIDATE_H_
     32 
     33 #include <string>
     34 
     35 #include "talk/app/webrtc/jsep.h"
     36 #include "webrtc/p2p/base/candidate.h"
     37 #include "webrtc/base/constructormagic.h"
     38 
     39 namespace webrtc {
     40 
     41 class JsepIceCandidate : public IceCandidateInterface {
     42  public:
     43   JsepIceCandidate(const std::string& sdp_mid, int sdp_mline_index);
     44   JsepIceCandidate(const std::string& sdp_mid, int sdp_mline_index,
     45                    const cricket::Candidate& candidate);
     46   ~JsepIceCandidate();
     47   // |error| can be NULL if don't care about the failure reason.
     48   bool Initialize(const std::string& sdp, SdpParseError* err);
     49   void SetCandidate(const cricket::Candidate& candidate) {
     50     candidate_ = candidate;
     51   }
     52 
     53   virtual std::string sdp_mid() const { return sdp_mid_; }
     54   virtual int sdp_mline_index() const { return sdp_mline_index_; }
     55   virtual const cricket::Candidate& candidate() const {
     56     return candidate_;
     57   }
     58 
     59   virtual bool ToString(std::string* out) const;
     60 
     61  private:
     62   std::string sdp_mid_;
     63   int sdp_mline_index_;
     64   cricket::Candidate candidate_;
     65 
     66   RTC_DISALLOW_COPY_AND_ASSIGN(JsepIceCandidate);
     67 };
     68 
     69 // Implementation of IceCandidateCollection.
     70 // This implementation stores JsepIceCandidates.
     71 class JsepCandidateCollection : public IceCandidateCollection {
     72  public:
     73   ~JsepCandidateCollection();
     74   virtual size_t count() const {
     75     return candidates_.size();
     76   }
     77   virtual bool HasCandidate(const IceCandidateInterface* candidate) const;
     78   // Adds and takes ownership of the JsepIceCandidate.
     79   virtual void add(JsepIceCandidate* candidate) {
     80     candidates_.push_back(candidate);
     81   }
     82   virtual const IceCandidateInterface* at(size_t index) const {
     83     return candidates_[index];
     84   }
     85 
     86  private:
     87   std::vector<JsepIceCandidate*> candidates_;
     88 };
     89 
     90 }  // namespace webrtc
     91 
     92 #endif  // TALK_APP_WEBRTC_JSEPICECANDIDATE_H_
     93