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comparison content/collections.js @ 358:c00b3db58dcf

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add 'snowl' to all observer topics to avoid conflicts with other extensions/core code; use the Observers component everywhere
author Myk Melez <myk@mozilla.org>
date Tue, 04 Nov 2008 12:11:07 -0800
parents e9d7087abad1
children
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equal deleted inserted replaced
357:1db123f46ed7 358:c00b3db58dcf
32 * the provisions above, a recipient may use your version of this file under 32 * the provisions above, a recipient may use your version of this file under
33 * the terms of any one of the MPL, the GPL or the LGPL. 33 * the terms of any one of the MPL, the GPL or the LGPL.
34 * 34 *
35 * ***** END LICENSE BLOCK ***** */ 35 * ***** END LICENSE BLOCK ***** */
36 36
37 // modules that come with Firefox
38
39 // modules that are generic
40 Cu.import("resource://snowl/modules/log4moz.js");
41 Cu.import("resource://snowl/modules/Observers.js");
42 Cu.import("resource://snowl/modules/URI.js");
43
44 // modules that are Snowl-specific
37 Cu.import("resource://snowl/modules/service.js"); 45 Cu.import("resource://snowl/modules/service.js");
38 Cu.import("resource://snowl/modules/datastore.js"); 46 Cu.import("resource://snowl/modules/datastore.js");
39 Cu.import("resource://snowl/modules/log4moz.js");
40 Cu.import("resource://snowl/modules/source.js"); 47 Cu.import("resource://snowl/modules/source.js");
41 Cu.import("resource://snowl/modules/feed.js"); 48 Cu.import("resource://snowl/modules/feed.js");
42 Cu.import("resource://snowl/modules/URI.js");
43 Cu.import("resource://snowl/modules/identity.js"); 49 Cu.import("resource://snowl/modules/identity.js");
44 Cu.import("resource://snowl/modules/collection.js"); 50 Cu.import("resource://snowl/modules/collection.js");
45 Cu.import("resource://snowl/modules/opml.js"); 51 Cu.import("resource://snowl/modules/opml.js");
46 52
47 let gBrowserWindow = window.QueryInterface(Ci.nsIInterfaceRequestor). 53 let gBrowserWindow = window.QueryInterface(Ci.nsIInterfaceRequestor).
52 getInterface(Ci.nsIDOMWindow); 58 getInterface(Ci.nsIDOMWindow);
53 59
54 let CollectionsView = { 60 let CollectionsView = {
55 _log: null, 61 _log: null,
56 62
57 // Observer Service
58 get _obsSvc() {
59 let obsSvc = Cc["@mozilla.org/observer-service;1"].
60 getService(Ci.nsIObserverService);
61 delete this._obsSvc;
62 this._obsSvc = obsSvc;
63 return this._obsSvc;
64 },
65
66 get _tree() { 63 get _tree() {
67 delete this._tree; 64 delete this._tree;
68 return this._tree = document.getElementById("sourcesView"); 65 return this._tree = document.getElementById("sourcesView");
69 }, 66 },
70 67
78 //**************************************************************************// 75 //**************************************************************************//
79 // Initialization & Destruction 76 // Initialization & Destruction
80 77
81 init: function() { 78 init: function() {
82 this._log = Log4Moz.Service.getLogger("Snowl.Sidebar"); 79 this._log = Log4Moz.Service.getLogger("Snowl.Sidebar");
83 this._obsSvc.addObserver(this, "sources:changed", true); 80 Observers.add(this, "snowl:sources:changed");
84 this._getCollections(); 81 this._getCollections();
85 this._buildCollectionTree(); 82 this._buildCollectionTree();
86 83
87 // Ensure collection selection maintained, if in List sidebar 84 // Ensure collection selection maintained, if in List sidebar
88 if (document.getElementById("snowlSidebar")) 85 if (document.getElementById("snowlSidebar"))
227 } 224 }
228 }, 225 },
229 226
230 227
231 //**************************************************************************// 228 //**************************************************************************//
232 // Misc XPCOM Interface Implementations 229 // Misc XPCOM Interfaces
233
234 // nsISupports
235 QueryInterface: function(aIID) {
236 if (aIID.equals(Ci.nsIObserver) ||
237 aIID.equals(Ci.nsISupportsWeakReference) ||
238 aIID.equals(Ci.nsISupports))
239 return this;
240
241 throw Cr.NS_ERROR_NO_INTERFACE;
242 },
243 230
244 // nsIObserver 231 // nsIObserver
245 observe: function(subject, topic, data) { 232 observe: function(subject, topic, data) {
246 switch (topic) { 233 switch (topic) {
247 case "sources:changed": 234 case "snowl:sources:changed":
248 this._getCollections(); 235 this._getCollections();
249 // Rebuild the view to reflect the new collection of messages. 236 // Rebuild the view to reflect the new collection of messages.
250 // Since the number of rows might have changed, we do this by reinitializing 237 // Since the number of rows might have changed, we do this by reinitializing
251 // the view instead of merely invalidating the box object (which doesn't 238 // the view instead of merely invalidating the box object (which doesn't
252 // expect changes to the number of rows). 239 // expect changes to the number of rows).
343 catch(ex) { 330 catch(ex) {
344 SnowlDatastore.dbConnection.rollbackTransaction(); 331 SnowlDatastore.dbConnection.rollbackTransaction();
345 throw ex; 332 throw ex;
346 } 333 }
347 334
348 this._obsSvc.notifyObservers(null, "sources:changed", null); 335 Observers.notify(null, "snowl:sources:changed", null);
349 this._obsSvc.notifyObservers(null, "messages:changed", null); 336 Observers.notify(null, "snowl:messages:changed", null);
350 } 337 }
351 338
352 }; 339 };
353 340
354 window.addEventListener("load", function() { CollectionsView.init() }, true); 341 window.addEventListener("load", function() { CollectionsView.init() }, true);