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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 #ifndef TALK_APP_WEBRTC_TEST_FAKECONSTRAINTS_H_
     29 #define TALK_APP_WEBRTC_TEST_FAKECONSTRAINTS_H_
     30 
     31 #include <string>
     32 #include <vector>
     33 
     34 #include "talk/app/webrtc/mediaconstraintsinterface.h"
     35 #include "webrtc/base/stringencode.h"
     36 
     37 namespace webrtc {
     38 
     39 class FakeConstraints : public webrtc::MediaConstraintsInterface {
     40  public:
     41   FakeConstraints() { }
     42   virtual ~FakeConstraints() { }
     43 
     44   virtual const Constraints& GetMandatory() const {
     45     return mandatory_;
     46   }
     47 
     48   virtual const Constraints& GetOptional() const {
     49     return optional_;
     50   }
     51 
     52   template <class T>
     53   void AddMandatory(const std::string& key, const T& value) {
     54     mandatory_.push_back(Constraint(key, rtc::ToString<T>(value)));
     55   }
     56 
     57   template <class T>
     58   void SetMandatory(const std::string& key, const T& value) {
     59     std::string value_str;
     60     if (mandatory_.FindFirst(key, &value_str)) {
     61       for (Constraints::iterator iter = mandatory_.begin();
     62            iter != mandatory_.end(); ++iter) {
     63         if (iter->key == key) {
     64           mandatory_.erase(iter);
     65           break;
     66         }
     67       }
     68     }
     69     mandatory_.push_back(Constraint(key, rtc::ToString<T>(value)));
     70   }
     71 
     72   template <class T>
     73   void AddOptional(const std::string& key, const T& value) {
     74     optional_.push_back(Constraint(key, rtc::ToString<T>(value)));
     75   }
     76 
     77   void SetMandatoryMinAspectRatio(double ratio) {
     78     SetMandatory(MediaConstraintsInterface::kMinAspectRatio, ratio);
     79   }
     80 
     81   void SetMandatoryMinWidth(int width) {
     82     SetMandatory(MediaConstraintsInterface::kMinWidth, width);
     83   }
     84 
     85   void SetMandatoryMinHeight(int height) {
     86     SetMandatory(MediaConstraintsInterface::kMinHeight, height);
     87   }
     88 
     89   void SetOptionalMaxWidth(int width) {
     90     AddOptional(MediaConstraintsInterface::kMaxWidth, width);
     91   }
     92 
     93   void SetMandatoryMaxFrameRate(int frame_rate) {
     94     SetMandatory(MediaConstraintsInterface::kMaxFrameRate, frame_rate);
     95   }
     96 
     97   void SetMandatoryReceiveAudio(bool enable) {
     98     SetMandatory(MediaConstraintsInterface::kOfferToReceiveAudio, enable);
     99   }
    100 
    101   void SetMandatoryReceiveVideo(bool enable) {
    102     SetMandatory(MediaConstraintsInterface::kOfferToReceiveVideo, enable);
    103   }
    104 
    105   void SetMandatoryUseRtpMux(bool enable) {
    106     SetMandatory(MediaConstraintsInterface::kUseRtpMux, enable);
    107   }
    108 
    109   void SetMandatoryIceRestart(bool enable) {
    110     SetMandatory(MediaConstraintsInterface::kIceRestart, enable);
    111   }
    112 
    113   void SetAllowRtpDataChannels() {
    114     SetMandatory(MediaConstraintsInterface::kEnableRtpDataChannels, true);
    115     SetMandatory(MediaConstraintsInterface::kEnableDtlsSrtp, false);
    116   }
    117 
    118   void SetOptionalVAD(bool enable) {
    119     AddOptional(MediaConstraintsInterface::kVoiceActivityDetection, enable);
    120   }
    121 
    122   void SetAllowDtlsSctpDataChannels() {
    123     SetMandatory(MediaConstraintsInterface::kEnableDtlsSrtp, true);
    124   }
    125 
    126  private:
    127   Constraints mandatory_;
    128   Constraints optional_;
    129 };
    130 
    131 }  // namespace webrtc
    132 
    133 #endif  // TALK_APP_WEBRTC_TEST_FAKECONSTRAINTS_H_
    134