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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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this 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 "MockConstraints.h"
     32 
     33 #include "public/platform/WebMediaConstraints.h"
     34 #include "public/platform/WebString.h"
     35 
     36 using namespace blink;
     37 
     38 namespace WebTestRunner {
     39 
     40 namespace {
     41 
     42 bool isSupported(const WebString& constraint)
     43 {
     44     return constraint == "valid_and_supported_1" || constraint == "valid_and_supported_2";
     45 }
     46 
     47 bool isValid(const WebString& constraint)
     48 {
     49     return isSupported(constraint) || constraint == "valid_but_unsupported_1" || constraint == "valid_but_unsupported_2";
     50 }
     51 
     52 }
     53 
     54 bool MockConstraints::verifyConstraints(const WebMediaConstraints& constraints, WebString* failedConstraint)
     55 {
     56     WebVector<WebMediaConstraint> mandatoryConstraints;
     57     constraints.getMandatoryConstraints(mandatoryConstraints);
     58     if (mandatoryConstraints.size()) {
     59         for (size_t i = 0; i < mandatoryConstraints.size(); ++i) {
     60             const WebMediaConstraint& curr = mandatoryConstraints[i];
     61             if (!isSupported(curr.m_name) || curr.m_value != "1") {
     62                 if (failedConstraint)
     63                     *failedConstraint = curr.m_name;
     64                 return false;
     65             }
     66         }
     67     }
     68 
     69     WebVector<WebMediaConstraint> optionalConstraints;
     70     constraints.getOptionalConstraints(optionalConstraints);
     71     if (optionalConstraints.size()) {
     72         for (size_t i = 0; i < optionalConstraints.size(); ++i) {
     73             const WebMediaConstraint& curr = optionalConstraints[i];
     74             if (!isValid(curr.m_name) || curr.m_value != "0") {
     75                 if (failedConstraint)
     76                     *failedConstraint = curr.m_name;
     77                 return false;
     78             }
     79         }
     80     }
     81 
     82     return true;
     83 }
     84 
     85 }
     86