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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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131 observerInfo.pendingChangeRecords.push(changeRecord); | 131 observerInfo.pendingChangeRecords.push(changeRecord); |
132 } | 132 } |
133 } | 133 } |
134 } | 134 } |
135 | 135 |
136 function NotifyChange(type, object, name, oldValue) { | 136 function NotifyChange(type, object, name, oldValue) { |
137 var objectInfo = objectInfoMap.get(object); | 137 var objectInfo = objectInfoMap.get(object); |
138 var changeRecord = (arguments.length < 4) ? | 138 var changeRecord = (arguments.length < 4) ? |
139 { type: type, object: object, name: name } : | 139 { type: type, object: object, name: name } : |
140 { type: type, object: object, name: name, oldValue: oldValue }; | 140 { type: type, object: object, name: name, oldValue: oldValue }; |
141 ObjectFreeze(changeRecord); | 141 // TODO(rafaelw): This breaks spec-compliance. Re-enable when freezing isn't |
| 142 // slow. |
| 143 // ObjectFreeze(changeRecord); |
142 EnqueueChangeRecord(changeRecord, objectInfo.changeObservers); | 144 EnqueueChangeRecord(changeRecord, objectInfo.changeObservers); |
143 } | 145 } |
144 | 146 |
145 var notifierPrototype = {}; | 147 var notifierPrototype = {}; |
146 | 148 |
147 function ObjectNotifierNotify(changeRecord) { | 149 function ObjectNotifierNotify(changeRecord) { |
148 if (!IS_SPEC_OBJECT(this)) | 150 if (!IS_SPEC_OBJECT(this)) |
149 throw MakeTypeError("called_on_non_object", ["notify"]); | 151 throw MakeTypeError("called_on_non_object", ["notify"]); |
150 | 152 |
151 var target = notifierTargetMap.get(this); | 153 var target = notifierTargetMap.get(this); |
152 if (IS_UNDEFINED(target)) | 154 if (IS_UNDEFINED(target)) |
153 throw MakeTypeError("observe_notify_non_notifier"); | 155 throw MakeTypeError("observe_notify_non_notifier"); |
154 if (!IS_STRING(changeRecord.type)) | 156 if (!IS_STRING(changeRecord.type)) |
155 throw MakeTypeError("observe_type_non_string"); | 157 throw MakeTypeError("observe_type_non_string"); |
156 | 158 |
157 var objectInfo = objectInfoMap.get(target); | 159 var objectInfo = objectInfoMap.get(target); |
158 if (IS_UNDEFINED(objectInfo) || objectInfo.changeObservers.length === 0) | 160 if (IS_UNDEFINED(objectInfo) || objectInfo.changeObservers.length === 0) |
159 return; | 161 return; |
160 | 162 |
161 var newRecord = { object: target }; | 163 var newRecord = { object: target }; |
162 for (var prop in changeRecord) { | 164 for (var prop in changeRecord) { |
163 if (prop === 'object') continue; | 165 if (prop === 'object') continue; |
164 %DefineOrRedefineDataProperty(newRecord, prop, changeRecord[prop], | 166 %DefineOrRedefineDataProperty(newRecord, prop, changeRecord[prop], |
165 READ_ONLY + DONT_DELETE); | 167 READ_ONLY + DONT_DELETE); |
166 } | 168 } |
167 ObjectFreeze(newRecord); | 169 // TODO(rafaelw): This breaks spec-compliance. Re-enable when freezing isn't |
| 170 // slow. |
| 171 // ObjectFreeze(newRecord); |
168 | 172 |
169 EnqueueChangeRecord(newRecord, objectInfo.changeObservers); | 173 EnqueueChangeRecord(newRecord, objectInfo.changeObservers); |
170 } | 174 } |
171 | 175 |
172 function ObjectGetNotifier(object) { | 176 function ObjectGetNotifier(object) { |
173 if (!IS_SPEC_OBJECT(object)) | 177 if (!IS_SPEC_OBJECT(object)) |
174 throw MakeTypeError("observe_non_object", ["getNotifier"]); | 178 throw MakeTypeError("observe_non_object", ["getNotifier"]); |
175 | 179 |
176 if (ObjectIsFrozen(object)) return null; | 180 if (ObjectIsFrozen(object)) return null; |
177 | 181 |
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229 "getNotifier", ObjectGetNotifier, | 233 "getNotifier", ObjectGetNotifier, |
230 "observe", ObjectObserve, | 234 "observe", ObjectObserve, |
231 "unobserve", ObjectUnobserve | 235 "unobserve", ObjectUnobserve |
232 )); | 236 )); |
233 InstallFunctions(notifierPrototype, DONT_ENUM, $Array( | 237 InstallFunctions(notifierPrototype, DONT_ENUM, $Array( |
234 "notify", ObjectNotifierNotify | 238 "notify", ObjectNotifierNotify |
235 )); | 239 )); |
236 } | 240 } |
237 | 241 |
238 SetupObjectObserve(); | 242 SetupObjectObserve(); |
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