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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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34 | 34 |
35 #include "bindings/core/v8/ArrayValue.h" | 35 #include "bindings/core/v8/ArrayValue.h" |
36 #include "bindings/core/v8/Dictionary.h" | 36 #include "bindings/core/v8/Dictionary.h" |
37 #include "bindings/core/v8/ExceptionState.h" | 37 #include "bindings/core/v8/ExceptionState.h" |
38 #include "core/dom/ExceptionCode.h" | 38 #include "core/dom/ExceptionCode.h" |
39 #include "wtf/HashMap.h" | 39 #include "wtf/HashMap.h" |
40 #include "wtf/Vector.h" | 40 #include "wtf/Vector.h" |
41 #include "wtf/text/StringHash.h" | 41 #include "wtf/text/StringHash.h" |
42 | 42 |
43 namespace blink { | 43 namespace blink { |
| 44 |
44 namespace MediaConstraintsImpl { | 45 namespace MediaConstraintsImpl { |
45 | 46 |
46 static bool parse(const Dictionary& constraintsDictionary, blink::WebVector<blin
k::WebMediaConstraint>& optional, blink::WebVector<blink::WebMediaConstraint>& m
andatory) | 47 static bool parse(const Dictionary& constraintsDictionary, WebVector<WebMediaCon
straint>& optional, WebVector<WebMediaConstraint>& mandatory) |
47 { | 48 { |
48 if (constraintsDictionary.isUndefinedOrNull()) | 49 if (constraintsDictionary.isUndefinedOrNull()) |
49 return true; | 50 return true; |
50 | 51 |
51 Vector<String> names; | 52 Vector<String> names; |
52 constraintsDictionary.getOwnPropertyNames(names); | 53 constraintsDictionary.getOwnPropertyNames(names); |
53 | 54 |
54 String mandatoryName("mandatory"); | 55 String mandatoryName("mandatory"); |
55 String optionalName("optional"); | 56 String optionalName("optional"); |
56 | 57 |
57 for (Vector<String>::iterator it = names.begin(); it != names.end(); ++it) { | 58 for (Vector<String>::iterator it = names.begin(); it != names.end(); ++it) { |
58 if (*it != mandatoryName && *it != optionalName) | 59 if (*it != mandatoryName && *it != optionalName) |
59 return false; | 60 return false; |
60 } | 61 } |
61 | 62 |
62 Vector<blink::WebMediaConstraint> mandatoryConstraintsVector; | 63 Vector<WebMediaConstraint> mandatoryConstraintsVector; |
63 if (names.contains(mandatoryName)) { | 64 if (names.contains(mandatoryName)) { |
64 Dictionary mandatoryConstraintsDictionary; | 65 Dictionary mandatoryConstraintsDictionary; |
65 bool ok = constraintsDictionary.get(mandatoryName, mandatoryConstraintsD
ictionary); | 66 bool ok = constraintsDictionary.get(mandatoryName, mandatoryConstraintsD
ictionary); |
66 if (!ok || mandatoryConstraintsDictionary.isUndefinedOrNull()) | 67 if (!ok || mandatoryConstraintsDictionary.isUndefinedOrNull()) |
67 return false; | 68 return false; |
68 | 69 |
69 HashMap<String, String> mandatoryConstraintsHashMap; | 70 HashMap<String, String> mandatoryConstraintsHashMap; |
70 ok = mandatoryConstraintsDictionary.getOwnPropertiesAsStringHashMap(mand
atoryConstraintsHashMap); | 71 ok = mandatoryConstraintsDictionary.getOwnPropertiesAsStringHashMap(mand
atoryConstraintsHashMap); |
71 if (!ok) | 72 if (!ok) |
72 return false; | 73 return false; |
73 | 74 |
74 HashMap<String, String>::const_iterator iter = mandatoryConstraintsHashM
ap.begin(); | 75 HashMap<String, String>::const_iterator iter = mandatoryConstraintsHashM
ap.begin(); |
75 for (; iter != mandatoryConstraintsHashMap.end(); ++iter) | 76 for (; iter != mandatoryConstraintsHashMap.end(); ++iter) |
76 mandatoryConstraintsVector.append(blink::WebMediaConstraint(iter->ke
y, iter->value)); | 77 mandatoryConstraintsVector.append(WebMediaConstraint(iter->key, iter
->value)); |
77 } | 78 } |
78 | 79 |
79 Vector<blink::WebMediaConstraint> optionalConstraintsVector; | 80 Vector<WebMediaConstraint> optionalConstraintsVector; |
80 if (names.contains(optionalName)) { | 81 if (names.contains(optionalName)) { |
81 ArrayValue optionalConstraints; | 82 ArrayValue optionalConstraints; |
82 bool ok = DictionaryHelper::get(constraintsDictionary, optionalName, opt
ionalConstraints); | 83 bool ok = DictionaryHelper::get(constraintsDictionary, optionalName, opt
ionalConstraints); |
83 if (!ok || optionalConstraints.isUndefinedOrNull()) | 84 if (!ok || optionalConstraints.isUndefinedOrNull()) |
84 return false; | 85 return false; |
85 | 86 |
86 size_t numberOfConstraints; | 87 size_t numberOfConstraints; |
87 ok = optionalConstraints.length(numberOfConstraints); | 88 ok = optionalConstraints.length(numberOfConstraints); |
88 if (!ok) | 89 if (!ok) |
89 return false; | 90 return false; |
90 | 91 |
91 for (size_t i = 0; i < numberOfConstraints; ++i) { | 92 for (size_t i = 0; i < numberOfConstraints; ++i) { |
92 Dictionary constraint; | 93 Dictionary constraint; |
93 ok = optionalConstraints.get(i, constraint); | 94 ok = optionalConstraints.get(i, constraint); |
94 if (!ok || constraint.isUndefinedOrNull()) | 95 if (!ok || constraint.isUndefinedOrNull()) |
95 return false; | 96 return false; |
96 Vector<String> localNames; | 97 Vector<String> localNames; |
97 constraint.getOwnPropertyNames(localNames); | 98 constraint.getOwnPropertyNames(localNames); |
98 if (localNames.size() != 1) | 99 if (localNames.size() != 1) |
99 return false; | 100 return false; |
100 String key = localNames[0]; | 101 String key = localNames[0]; |
101 String value; | 102 String value; |
102 ok = DictionaryHelper::get(constraint, key, value); | 103 ok = DictionaryHelper::get(constraint, key, value); |
103 if (!ok) | 104 if (!ok) |
104 return false; | 105 return false; |
105 optionalConstraintsVector.append(blink::WebMediaConstraint(key, valu
e)); | 106 optionalConstraintsVector.append(WebMediaConstraint(key, value)); |
106 } | 107 } |
107 } | 108 } |
108 | 109 |
109 optional.assign(optionalConstraintsVector); | 110 optional.assign(optionalConstraintsVector); |
110 mandatory.assign(mandatoryConstraintsVector); | 111 mandatory.assign(mandatoryConstraintsVector); |
111 return true; | 112 return true; |
112 } | 113 } |
113 | 114 |
114 | 115 |
115 blink::WebMediaConstraints create(const Dictionary& constraintsDictionary, Excep
tionState& exceptionState) | 116 WebMediaConstraints create(const Dictionary& constraintsDictionary, ExceptionSta
te& exceptionState) |
116 { | 117 { |
117 blink::WebVector<blink::WebMediaConstraint> optional; | 118 WebVector<WebMediaConstraint> optional; |
118 blink::WebVector<blink::WebMediaConstraint> mandatory; | 119 WebVector<WebMediaConstraint> mandatory; |
119 if (!parse(constraintsDictionary, optional, mandatory)) { | 120 if (!parse(constraintsDictionary, optional, mandatory)) { |
120 exceptionState.throwTypeError("Malformed constraints object."); | 121 exceptionState.throwTypeError("Malformed constraints object."); |
121 return blink::WebMediaConstraints(); | 122 return WebMediaConstraints(); |
122 } | 123 } |
123 | 124 |
124 blink::WebMediaConstraints constraints; | 125 WebMediaConstraints constraints; |
125 constraints.initialize(optional, mandatory); | 126 constraints.initialize(optional, mandatory); |
126 return constraints; | 127 return constraints; |
127 } | 128 } |
128 | 129 |
129 blink::WebMediaConstraints create() | 130 WebMediaConstraints create() |
130 { | 131 { |
131 blink::WebMediaConstraints constraints; | 132 WebMediaConstraints constraints; |
132 constraints.initialize(); | 133 constraints.initialize(); |
133 return constraints; | 134 return constraints; |
134 } | 135 } |
135 | 136 |
136 } // namespace MediaConstraintsImpl | 137 } // namespace MediaConstraintsImpl |
137 } // namespace blink | 138 } // namespace blink |
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