Source/modules/mediastream/MediaConstraintsImpl.cpp - Issue 650063002: Move MediaStream and MediaStreamTrack implementation from modules/mediastream to core/mediastream.

Side by Side Diff: Source/modules/mediastream/MediaConstraintsImpl.cpp

Issue 650063002: Move MediaStream and MediaStreamTrack implementation from modules/mediastream to core/mediastream. Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Rebased. Created 6 years, 2 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch

OLD	NEW
	(Empty)
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/MediaConstraintsImpl.h"

34

35 #include "bindings/core/v8/ArrayValue.h"

36 #include "bindings/core/v8/Dictionary.h"

37 #include "bindings/core/v8/ExceptionState.h"

38 #include "core/dom/ExceptionCode.h"

39 #include "wtf/HashMap.h"

40 #include "wtf/Vector.h"

41 #include "wtf/text/StringHash.h"

42

43 namespace blink {

44

45 namespace MediaConstraintsImpl {

46

47 static bool parse(const Dictionary& constraintsDictionary, WebVector<WebMediaCon straint>& optional, WebVector<WebMediaConstraint>& mandatory)

48 {

49 if (constraintsDictionary.isUndefinedOrNull())

50 return true;

51

52 Vector<String> names;

53 constraintsDictionary.getOwnPropertyNames(names);

54

55 String mandatoryName("mandatory");

56 String optionalName("optional");

57

58 for (Vector<String>::iterator it = names.begin(); it != names.end(); ++it) {

59 if (it != mandatoryName && it != optionalName)

60 return false;

61 }

62

63 Vector<WebMediaConstraint> mandatoryConstraintsVector;

64 if (names.contains(mandatoryName)) {

65 Dictionary mandatoryConstraintsDictionary;

66 bool ok = constraintsDictionary.get(mandatoryName, mandatoryConstraintsD ictionary);

67 if (!ok \|\| mandatoryConstraintsDictionary.isUndefinedOrNull())

68 return false;

69

70 HashMap<String, String> mandatoryConstraintsHashMap;

71 ok = mandatoryConstraintsDictionary.getOwnPropertiesAsStringHashMap(mand atoryConstraintsHashMap);

72 if (!ok)

73 return false;

74

75 HashMap<String, String>::const_iterator iter = mandatoryConstraintsHashM ap.begin();

76 for (; iter != mandatoryConstraintsHashMap.end(); ++iter)

77 mandatoryConstraintsVector.append(WebMediaConstraint(iter->key, iter ->value));

78 }

79

80 Vector<WebMediaConstraint> optionalConstraintsVector;

81 if (names.contains(optionalName)) {

82 ArrayValue optionalConstraints;

83 bool ok = DictionaryHelper::get(constraintsDictionary, optionalName, opt ionalConstraints);

84 if (!ok \|\| optionalConstraints.isUndefinedOrNull())

85 return false;

86

87 size_t numberOfConstraints;

88 ok = optionalConstraints.length(numberOfConstraints);

89 if (!ok)

90 return false;

91

92 for (size_t i = 0; i < numberOfConstraints; ++i) {

93 Dictionary constraint;

94 ok = optionalConstraints.get(i, constraint);

95 if (!ok \|\| constraint.isUndefinedOrNull())

96 return false;

97 Vector<String> localNames;

98 constraint.getOwnPropertyNames(localNames);

99 if (localNames.size() != 1)

100 return false;

101 String key = localNames[0];

102 String value;

103 ok = DictionaryHelper::get(constraint, key, value);

104 if (!ok)

105 return false;

106 optionalConstraintsVector.append(WebMediaConstraint(key, value));

107 }

108 }

109

110 optional.assign(optionalConstraintsVector);

111 mandatory.assign(mandatoryConstraintsVector);

112 return true;

113 }

114

115

116 WebMediaConstraints create(const Dictionary& constraintsDictionary, ExceptionSta te& exceptionState)

117 {

118 WebVector<WebMediaConstraint> optional;

119 WebVector<WebMediaConstraint> mandatory;

120 if (!parse(constraintsDictionary, optional, mandatory)) {

121 exceptionState.throwTypeError("Malformed constraints object.");

122 return WebMediaConstraints();

123 }

124

125 WebMediaConstraints constraints;

126 constraints.initialize(optional, mandatory);

127 return constraints;

128 }

129

130 WebMediaConstraints create()

131 {

132 WebMediaConstraints constraints;

133 constraints.initialize();

134 return constraints;

135 }

136

137 } // namespace MediaConstraintsImpl

138 } // namespace blink

OLD	NEW

« no previous file with comments | « Source/modules/mediastream/MediaConstraintsImpl.h ('k') | Source/modules/mediastream/MediaDeviceInfo.h » ('j') | no next file with comments »