MediaStream API: Updating NavigatorUserMediaError

Source/testing/runner/MockConstraints.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "MockConstraints.h"
 
 #include "public/platform/WebMediaConstraints.h"
+#include "public/platform/WebString.h"
 
 using namespace WebKit;
 
 namespace WebTestRunner {
 
 namespace {
 
 bool isSupported(const WebString& constraint)
 {
     return constraint == "valid_and_supported_1" || constraint == "valid_and_supported_2";
 }
 
 bool isValid(const WebString& constraint)
 {
     return isSupported(constraint) || constraint == "valid_but_unsupported_1" || constraint == "valid_but_unsupported_2";
 }
 
 }
 
-bool MockConstraints::verifyConstraints(const WebMediaConstraints& constraints)
+bool MockConstraints::verifyConstraints(const WebMediaConstraints& constraints, WebString* failedConstraint)
 {
     WebVector<WebMediaConstraint> mandatoryConstraints;
     constraints.getMandatoryConstraints(mandatoryConstraints);
     if (mandatoryConstraints.size()) {
         for (size_t i = 0; i < mandatoryConstraints.size(); ++i) {
             const WebMediaConstraint& curr = mandatoryConstraints[i];
-            if (!isSupported(curr.m_name) || curr.m_value != "1")
+            if (!isSupported(curr.m_name) || curr.m_value != "1") {
+                if (failedConstraint)
+                    *failedConstraint = curr.m_name;
                 return false;
+            }
         }
     }
 
     WebVector<WebMediaConstraint> optionalConstraints;
     constraints.getOptionalConstraints(optionalConstraints);
     if (optionalConstraints.size()) {
         for (size_t i = 0; i < optionalConstraints.size(); ++i) {
             const WebMediaConstraint& curr = optionalConstraints[i];
-            if (!isValid(curr.m_name) || curr.m_value != "0")
+            if (!isValid(curr.m_name) || curr.m_value != "0") {
+                if (failedConstraint)
+                    *failedConstraint = curr.m_name;
                 return false;
+            }
         }
     }
 
     return true;
 }
 
 }