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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 /** The top-level collection of all sections for a user. */ | 5 /** The top-level collection of all sections for a user. */ |
6 // TODO(jimhug): This is known as UserData in the server model. | 6 // TODO(jimhug): This is known as UserData in the server model. |
7 class Sections implements Collection<Section> { | 7 class Sections implements Collection<Section> { |
8 final List<Section> _sections; | 8 final List<Section> _sections; |
9 | 9 |
10 Sections(this._sections); | 10 Sections(this._sections); |
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52 sections.add(Section.decode(decoder)); | 52 sections.add(Section.decode(decoder)); |
53 } | 53 } |
54 callback(new Sections(sections)); | 54 callback(new Sections(sections)); |
55 } | 55 } |
56 | 56 |
57 static void initializeFromUrl(void callback(Sections sections)) { | 57 static void initializeFromUrl(void callback(Sections sections)) { |
58 if (Sections.runningFromFile) { | 58 if (Sections.runningFromFile) { |
59 initializeFromData(CannedData.data['user.data'], callback); | 59 initializeFromData(CannedData.data['user.data'], callback); |
60 } else { | 60 } else { |
61 // TODO(jmesserly): display an error if we fail here! Silent failure bad. | 61 // TODO(jmesserly): display an error if we fail here! Silent failure bad. |
62 new XMLHttpRequest.get('data/user.data', | 62 new HttpRequest.get('data/user.data', |
63 EventBatch.wrap((request) { | 63 EventBatch.wrap((request) { |
64 // TODO(jimhug): Nice response if get error back from server. | 64 // TODO(jimhug): Nice response if get error back from server. |
65 // TODO(jimhug): Might be more efficient to parse request in sections. | 65 // TODO(jimhug): Might be more efficient to parse request in sections. |
66 initializeFromData(request.responseText, callback); | 66 initializeFromData(request.responseText, callback); |
67 })); | 67 })); |
68 } | 68 } |
69 } | 69 } |
70 | 70 |
71 Section findSectionById(String id) { | 71 Section findSectionById(String id) { |
72 return CollectionUtils.find(_sections, (section) => section.id == id); | 72 return CollectionUtils.find(_sections, (section) => section.id == id); |
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218 // TODO(jimhug): need to return a lazy Observable<String> and also | 218 // TODO(jimhug): need to return a lazy Observable<String> and also |
219 // add support for preloading. | 219 // add support for preloading. |
220 void _ensureLoaded() { | 220 void _ensureLoaded() { |
221 if (_htmlBody !== null) return; | 221 if (_htmlBody !== null) return; |
222 | 222 |
223 var name = '$dataUri.html'; | 223 var name = '$dataUri.html'; |
224 if (Sections.runningFromFile) { | 224 if (Sections.runningFromFile) { |
225 _htmlBody = CannedData.data[name]; | 225 _htmlBody = CannedData.data[name]; |
226 } else { | 226 } else { |
227 // TODO(jimhug): Remove this truly evil synchronoush xhr. | 227 // TODO(jimhug): Remove this truly evil synchronoush xhr. |
228 final req = new XMLHttpRequest(); | 228 final req = new HttpRequest(); |
229 req.open('GET', 'data/$name', false); | 229 req.open('GET', 'data/$name', false); |
230 req.send(); | 230 req.send(); |
231 _htmlBody = req.responseText; | 231 _htmlBody = req.responseText; |
232 } | 232 } |
233 } | 233 } |
234 | 234 |
235 static Article decodeHeader(Feed source, Decoder decoder) { | 235 static Article decodeHeader(Feed source, Decoder decoder) { |
236 final id = decoder.readString(); | 236 final id = decoder.readString(); |
237 final title = decoder.readString(); | 237 final title = decoder.readString(); |
238 final srcUrl = decoder.readString(); | 238 final srcUrl = decoder.readString(); |
239 final hasThumbnail = decoder.readBool(); | 239 final hasThumbnail = decoder.readBool(); |
240 final author = decoder.readString(); | 240 final author = decoder.readString(); |
241 final dateInSeconds = decoder.readInt(); | 241 final dateInSeconds = decoder.readInt(); |
242 final snippet = decoder.readString(); | 242 final snippet = decoder.readString(); |
243 final date = | 243 final date = |
244 new Date.fromMillisecondsSinceEpoch(dateInSeconds*1000, isUtc: true); | 244 new Date.fromMillisecondsSinceEpoch(dateInSeconds*1000, isUtc: true); |
245 return new Article(source, id, date, title, author, srcUrl, hasThumbnail, | 245 return new Article(source, id, date, title, author, srcUrl, hasThumbnail, |
246 snippet); | 246 snippet); |
247 } | 247 } |
248 } | 248 } |
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