зеркало из https://github.com/mozilla/gecko-dev.git
1248 строки
39 KiB
JavaScript
1248 строки
39 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const Cu = Components.utils;
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////////////////////////////////////////////////////////////////////////////////
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//// Modules
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
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"resource://gre/modules/PlacesUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
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"resource://gre/modules/NetUtil.jsm");
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////////////////////////////////////////////////////////////////////////////////
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//// Services
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XPCOMUtils.defineLazyServiceGetter(this, "secMan",
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"@mozilla.org/scriptsecuritymanager;1",
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"nsIScriptSecurityManager");
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XPCOMUtils.defineLazyGetter(this, "asyncHistory", function () {
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// Lazily add an history observer when it's actually needed.
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PlacesUtils.history.addObserver(PlacesUtils.livemarks, true);
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return Cc["@mozilla.org/browser/history;1"].getService(Ci.mozIAsyncHistory);
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});
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////////////////////////////////////////////////////////////////////////////////
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//// Constants
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// Security flags for checkLoadURIWithPrincipal.
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const SEC_FLAGS = Ci.nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL;
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// Delay between reloads of consecute livemarks.
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const RELOAD_DELAY_MS = 500;
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// Expire livemarks after this time.
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const EXPIRE_TIME_MS = 3600000; // 1 hour.
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// Expire livemarks after this time on error.
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const ONERROR_EXPIRE_TIME_MS = 300000; // 5 minutes.
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////////////////////////////////////////////////////////////////////////////////
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//// LivemarkService
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function LivemarkService()
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{
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// Cleanup on shutdown.
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Services.obs.addObserver(this, PlacesUtils.TOPIC_SHUTDOWN, true);
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// Observe bookmarks and history, but don't init the services just for that.
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PlacesUtils.addLazyBookmarkObserver(this, true);
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// Asynchronously build the livemarks cache.
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this._ensureAsynchronousCache();
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}
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LivemarkService.prototype = {
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// Cache of Livemark objects, hashed by bookmarks folder ids.
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_livemarks: {},
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// Hash associating guids to bookmarks folder ids.
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_guids: {},
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get _populateCacheSQL()
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{
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function getAnnoSQLFragment(aAnnoParam) {
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return "SELECT a.content "
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+ "FROM moz_items_annos a "
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+ "JOIN moz_anno_attributes n ON n.id = a.anno_attribute_id "
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+ "WHERE a.item_id = b.id "
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+ "AND n.name = " + aAnnoParam;
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}
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return "SELECT b.id, b.title, b.parent, b.position, b.guid, b.lastModified, "
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+ "(" + getAnnoSQLFragment(":feedURI_anno") + ") AS feedURI, "
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+ "(" + getAnnoSQLFragment(":siteURI_anno") + ") AS siteURI "
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+ "FROM moz_bookmarks b "
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+ "JOIN moz_items_annos a ON a.item_id = b.id "
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+ "JOIN moz_anno_attributes n ON a.anno_attribute_id = n.id "
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+ "WHERE b.type = :folder_type "
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+ "AND n.name = :feedURI_anno ";
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},
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_ensureAsynchronousCache: function LS__ensureAsynchronousCache()
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{
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let db = PlacesUtils.history.QueryInterface(Ci.nsPIPlacesDatabase)
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.DBConnection;
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let stmt = db.createAsyncStatement(this._populateCacheSQL);
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stmt.params.folder_type = Ci.nsINavBookmarksService.TYPE_FOLDER;
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stmt.params.feedURI_anno = PlacesUtils.LMANNO_FEEDURI;
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stmt.params.siteURI_anno = PlacesUtils.LMANNO_SITEURI;
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let livemarkSvc = this;
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this._pendingStmt = stmt.executeAsync({
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handleResult: function LS_handleResult(aResults)
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{
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for (let row = aResults.getNextRow(); row; row = aResults.getNextRow()) {
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let id = row.getResultByName("id");
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let siteURL = row.getResultByName("siteURI");
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let guid = row.getResultByName("guid");
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livemarkSvc._livemarks[id] =
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new Livemark({ id: id,
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guid: guid,
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title: row.getResultByName("title"),
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parentId: row.getResultByName("parent"),
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index: row.getResultByName("position"),
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lastModified: row.getResultByName("lastModified"),
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feedURI: NetUtil.newURI(row.getResultByName("feedURI")),
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siteURI: siteURL ? NetUtil.newURI(siteURL) : null,
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});
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livemarkSvc._guids[guid] = id;
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}
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},
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handleError: function LS_handleError(aErr)
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{
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Cu.reportError("AsyncStmt error (" + aErr.result + "): '" + aErr.message);
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},
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handleCompletion: function LS_handleCompletion() {
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livemarkSvc._pendingStmt = null;
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}
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});
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stmt.finalize();
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},
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_onCacheReady: function LS__onCacheReady(aCallback, aWaitForAsyncWrites)
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{
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if (this._pendingStmt || aWaitForAsyncWrites) {
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// The cache is still being populated, so enqueue the job to the Storage
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// async thread. Ideally this should just dispatch a runnable to it,
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// that would call back on the main thread, but bug 608142 made that
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// impossible. Thus just enqueue the cheapest query possible.
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let db = PlacesUtils.history.QueryInterface(Ci.nsPIPlacesDatabase)
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.DBConnection;
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let stmt = db.createAsyncStatement("PRAGMA encoding");
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stmt.executeAsync({
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handleError: function () {},
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handleResult: function () {},
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handleCompletion: function ETAT_handleCompletion()
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{
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aCallback();
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}
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});
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stmt.finalize();
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}
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else {
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// The callbacks should always be enqueued per the interface.
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// Just enque on the main thread.
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Services.tm.mainThread.dispatch(aCallback, Ci.nsIThread.DISPATCH_NORMAL);
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}
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},
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_reloading: false,
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_startReloadTimer: function LS__startReloadTimer()
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{
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if (this._reloadTimer) {
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this._reloadTimer.cancel();
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}
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else {
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this._reloadTimer = Cc["@mozilla.org/timer;1"]
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.createInstance(Ci.nsITimer);
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}
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this._reloading = true;
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this._reloadTimer.initWithCallback(this._reloadNextLivemark.bind(this),
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RELOAD_DELAY_MS,
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Ci.nsITimer.TYPE_ONE_SHOT);
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},
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//////////////////////////////////////////////////////////////////////////////
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//// nsIObserver
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observe: function LS_observe(aSubject, aTopic, aData)
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{
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if (aTopic == PlacesUtils.TOPIC_SHUTDOWN) {
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if (this._pendingStmt) {
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this._pendingStmt.cancel();
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this._pendingStmt = null;
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// Initialization never finished, so just bail out.
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return;
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}
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if (this._reloadTimer) {
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this._reloading = false;
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this._reloadTimer.cancel();
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delete this._reloadTimer;
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}
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// Stop any ongoing update.
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for each (let livemark in this._livemarks) {
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livemark.terminate();
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}
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this._livemarks = {};
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}
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},
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//////////////////////////////////////////////////////////////////////////////
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//// Deprecated nsILivemarkService methods
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_reportDeprecatedMethod: function DEPRECATED_LS__reportDeprecatedMethod()
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{
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let oldFuncName = arguments.callee.caller.name.slice(14);
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Cu.reportError(oldFuncName + " is deprecated and will be removed in a " +
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"future release. Check the nsILivemarkService interface.");
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},
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_ensureSynchronousCache: function DEPRECATED_LS__ensureSynchronousCache()
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{
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if (!this._pendingStmt) {
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return;
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}
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this._pendingStmt.cancel();
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this._pendingStmt = null;
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let db = PlacesUtils.history.QueryInterface(Ci.nsPIPlacesDatabase)
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.DBConnection;
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let stmt = db.createStatement(this._populateCacheSQL);
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stmt.params.folder_type = Ci.nsINavBookmarksService.TYPE_FOLDER;
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stmt.params.feedURI_anno = PlacesUtils.LMANNO_FEEDURI;
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stmt.params.siteURI_anno = PlacesUtils.LMANNO_SITEURI;
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while (stmt.executeStep()) {
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let id = stmt.row.id;
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let siteURL = stmt.row.siteURI;
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let guid = stmt.row.guid;
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this._livemarks[id] =
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new Livemark({ id: id,
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guid: guid,
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title: stmt.row.title,
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parentId: stmt.row.parent,
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index: stmt.row.position,
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lastModified: stmt.row.lastModified,
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feedURI: NetUtil.newURI(stmt.row.feedURI),
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siteURI: siteURL ? NetUtil.newURI(siteURL) : null,
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});
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this._guids[guid] = id;
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}
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stmt.finalize();
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},
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start: function DEPRECATED_LS_start()
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{
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this._reportDeprecatedMethod();
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},
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stopUpdateLivemarks: function DEPRECATED_LS_stopUpdateLivemarks()
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{
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this._reportDeprecatedMethod();
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},
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createLivemark: function DEPRECATED_LS_createLivemark(aParentId, aTitle, aSiteURI,
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aFeedURI, aIndex)
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{
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this._reportDeprecatedMethod();
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this._ensureSynchronousCache();
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if (!aParentId || aParentId < 1 ||
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aIndex < -1 ||
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!aFeedURI || !(aFeedURI instanceof Ci.nsIURI) ||
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(aSiteURI && !(aSiteURI instanceof Ci.nsIURI)) ||
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aParentId in this._livemarks) {
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throw Cr.NS_ERROR_INVALID_ARG;
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}
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let livemark = new Livemark({ title: aTitle
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, parentId: aParentId
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, index: aIndex
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, feedURI: aFeedURI
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, siteURI: aSiteURI
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});
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if (this._itemAdded && this._itemAdded.id == livemark.id) {
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livemark.guid = this._itemAdded.guid;
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livemark.index = this._itemAdded.index;
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livemark.lastModified = this._itemAdded.lastModified;
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}
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this._livemarks[livemark.id] = livemark;
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this._guids[livemark.guid] = livemark.id;
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return livemark.id;
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},
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createLivemarkFolderOnly: function DEPRECATED_LS_(aParentId, aTitle, aSiteURI,
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aFeedURI, aIndex)
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{
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return this.createLivemark(aParentId, aTitle, aSiteURI, aFeedURI, aIndex);
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},
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isLivemark: function DEPRECATED_LS_isLivemark(aId)
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{
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this._reportDeprecatedMethod();
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if (!aId || aId < 1) {
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throw Cr.NS_ERROR_INVALID_ARG;
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}
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this._ensureSynchronousCache();
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return aId in this._livemarks;
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},
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getLivemarkIdForFeedURI:
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function DEPRECATED_LS_getLivemarkIdForFeedURI(aFeedURI)
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{
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this._reportDeprecatedMethod();
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if (!(aFeedURI instanceof Ci.nsIURI)) {
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throw Cr.NS_ERROR_INVALID_ARG;
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}
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this._ensureSynchronousCache();
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for each (livemark in this._livemarks) {
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if (livemark.feedURI.equals(aFeedURI)) {
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return livemark.id;
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}
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}
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return -1;
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},
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getSiteURI: function DEPRECATED_LS_getSiteURI(aId)
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{
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this._reportDeprecatedMethod();
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this._ensureSynchronousCache();
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if (!(aId in this._livemarks)) {
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throw Cr.NS_ERROR_INVALID_ARG;
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}
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return this._livemarks[aId].siteURI;
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},
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setSiteURI: function DEPRECATED_LS_writeSiteURI(aId, aSiteURI)
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{
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this._reportDeprecatedMethod();
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if (!aSiteURI || !(aSiteURI instanceof Ci.nsIURI)) {
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throw Cr.NS_ERROR_INVALID_ARG;
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}
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},
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getFeedURI: function DEPRECATED_LS_getFeedURI(aId)
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{
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this._reportDeprecatedMethod();
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this._ensureSynchronousCache();
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if (!(aId in this._livemarks)) {
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throw Cr.NS_ERROR_INVALID_ARG;
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}
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return this._livemarks[aId].feedURI;
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},
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setFeedURI: function DEPRECATED_LS_writeFeedURI(aId, aFeedURI)
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{
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this._reportDeprecatedMethod();
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if (!aFeedURI || !(aFeedURI instanceof Ci.nsIURI)) {
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throw Cr.NS_ERROR_INVALID_ARG;
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}
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},
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reloadLivemarkFolder: function DEPRECATED_LS_reloadLivemarkFolder(aId)
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{
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this._reportDeprecatedMethod();
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this._ensureSynchronousCache();
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if (!(aId in this._livemarks)) {
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throw Cr.NS_ERROR_INVALID_ARG;
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}
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this._livemarks[aId].reload();
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},
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reloadAllLivemarks: function DEPRECATED_LS_reloadAllLivemarks()
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{
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this._reportDeprecatedMethod();
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this._reloadLivemarks(true);
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},
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//////////////////////////////////////////////////////////////////////////////
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//// mozIAsyncLivemarks
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addLivemark: function LS_addLivemark(aLivemarkInfo,
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aLivemarkCallback)
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{
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// Must provide at least non-null parentId, index and feedURI.
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if (!aLivemarkInfo ||
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("parentId" in aLivemarkInfo && aLivemarkInfo.parentId < 1) ||
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!("index" in aLivemarkInfo) || aLivemarkInfo.index < Ci.nsINavBookmarksService.DEFAULT_INDEX ||
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!(aLivemarkInfo.feedURI instanceof Ci.nsIURI) ||
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(aLivemarkInfo.siteURI && !(aLivemarkInfo.siteURI instanceof Ci.nsIURI)) ||
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(aLivemarkInfo.guid && !/^[a-zA-Z0-9\-_]{12}$/.test(aLivemarkInfo.guid))) {
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throw Cr.NS_ERROR_INVALID_ARG;
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}
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// The addition is done synchronously due to the fact importExport service
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// and JSON backups require that. The notification is async though.
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// Once bookmarks are async, this may be properly fixed.
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let result = Cr.NS_OK;
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let livemark = null;
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try {
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// Disallow adding a livemark inside another livemark.
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if (aLivemarkInfo.parentId in this._livemarks) {
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throw new Components.Exception("", Cr.NS_ERROR_INVALID_ARG);
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}
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// Don't pass unexpected input data to the livemark constructor.
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livemark = new Livemark({ title: aLivemarkInfo.title
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, parentId: aLivemarkInfo.parentId
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, index: aLivemarkInfo.index
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, feedURI: aLivemarkInfo.feedURI
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, siteURI: aLivemarkInfo.siteURI
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, guid: aLivemarkInfo.guid
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, lastModified: aLivemarkInfo.lastModified
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});
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if (this._itemAdded && this._itemAdded.id == livemark.id) {
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livemark.index = this._itemAdded.index;
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if (!aLivemarkInfo.guid) {
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livemark.guid = this._itemAdded.guid;
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}
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if (!aLivemarkInfo.lastModified) {
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livemark.lastModified = this._itemAdded.lastModified;
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}
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}
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// Updating the cache even if it has not yet been populated doesn't
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// matter since it will just be overwritten. But it must be done now,
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// otherwise checking for the livemark using any deprecated synchronous
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// API from an onItemAnnotation notification would give a wrong result.
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this._livemarks[livemark.id] = livemark;
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this._guids[aLivemarkInfo.guid] = livemark.id;
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}
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catch (ex) {
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result = ex.result;
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livemark = null;
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}
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finally {
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if (aLivemarkCallback) {
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this._onCacheReady(function LS_addLivemark_ETAT() {
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try {
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aLivemarkCallback.onCompletion(result, livemark);
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} catch(ex2) {}
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}, true);
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}
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}
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},
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removeLivemark: function LS_removeLivemark(aLivemarkInfo, aLivemarkCallback)
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{
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if (!aLivemarkInfo) {
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throw Cr.NS_ERROR_INVALID_ARG;
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}
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// Accept either a guid or an id.
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let id = aLivemarkInfo.guid || aLivemarkInfo.id;
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if (("guid" in aLivemarkInfo && !/^[a-zA-Z0-9\-_]{12}$/.test(aLivemarkInfo.guid)) ||
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("id" in aLivemarkInfo && aLivemarkInfo.id < 1) ||
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!id) {
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throw Cr.NS_ERROR_INVALID_ARG;
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}
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// Convert the guid to an id.
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if (id in this._guids) {
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id = this._guids[id];
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}
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let result = Cr.NS_OK;
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try {
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if (!(id in this._livemarks)) {
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throw new Components.Exception("", Cr.NS_ERROR_INVALID_ARG);
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}
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this._livemarks[id].remove();
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}
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catch (ex) {
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result = ex.result;
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}
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finally {
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if (aLivemarkCallback) {
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// Enqueue the notification, per interface definition.
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this._onCacheReady(function LS_removeLivemark_ETAT() {
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try {
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aLivemarkCallback.onCompletion(result, null);
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} catch(ex2) {}
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});
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}
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}
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},
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_reloaded: [],
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_reloadNextLivemark: function LS__reloadNextLivemark()
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{
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this._reloading = false;
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// Find first livemark to be reloaded.
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for (let id in this._livemarks) {
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if (this._reloaded.indexOf(id) == -1) {
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this._reloaded.push(id);
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this._livemarks[id].reload(this._forceUpdate);
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this._startReloadTimer();
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break;
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}
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}
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},
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reloadLivemarks: function LS_reloadLivemarks(aForceUpdate)
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{
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// Check if there's a currently running reload, to save some useless work.
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let notWorthRestarting =
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this._forceUpdate || // We're already forceUpdating.
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!aForceUpdate; // The caller didn't request a forced update.
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if (this._reloading && notWorthRestarting) {
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// Ignore this call.
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return;
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}
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this._onCacheReady((function LS_reloadAllLivemarks_ETAT() {
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this._forceUpdate = !!aForceUpdate;
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this._reloaded = [];
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// Livemarks reloads happen on a timer, and are delayed for performance
|
|
// reasons.
|
|
this._startReloadTimer();
|
|
}).bind(this));
|
|
},
|
|
|
|
getLivemark: function LS_getLivemark(aLivemarkInfo, aLivemarkCallback)
|
|
{
|
|
if (!aLivemarkInfo) {
|
|
throw Cr.NS_ERROR_INVALID_ARG;
|
|
}
|
|
// Accept either a guid or an id.
|
|
let id = aLivemarkInfo.guid || aLivemarkInfo.id;
|
|
if (("guid" in aLivemarkInfo && !/^[a-zA-Z0-9\-_]{12}$/.test(aLivemarkInfo.guid)) ||
|
|
("id" in aLivemarkInfo && aLivemarkInfo.id < 1) ||
|
|
!id) {
|
|
throw Cr.NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
this._onCacheReady((function LS_getLivemark_ETAT() {
|
|
// Convert the guid to an id.
|
|
if (id in this._guids) {
|
|
id = this._guids[id];
|
|
}
|
|
if (id in this._livemarks) {
|
|
try {
|
|
aLivemarkCallback.onCompletion(Cr.NS_OK, this._livemarks[id]);
|
|
} catch (ex) {}
|
|
}
|
|
else {
|
|
try {
|
|
aLivemarkCallback.onCompletion(Cr.NS_ERROR_INVALID_ARG, null);
|
|
} catch (ex) {}
|
|
}
|
|
}).bind(this));
|
|
},
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//// nsINavBookmarkObserver
|
|
|
|
onBeginUpdateBatch: function () {},
|
|
onEndUpdateBatch: function () {},
|
|
onItemVisited: function () {},
|
|
onBeforeItemRemoved: function () {},
|
|
|
|
_itemAdded: null,
|
|
onItemAdded: function LS_onItemAdded(aItemId, aParentId, aIndex, aItemType,
|
|
aURI, aTitle, aDateAdded, aGUID)
|
|
{
|
|
if (aItemType == Ci.nsINavBookmarksService.TYPE_FOLDER) {
|
|
this._itemAdded = { id: aItemId
|
|
, guid: aGUID
|
|
, index: aIndex
|
|
, lastModified: aDateAdded
|
|
};
|
|
}
|
|
},
|
|
|
|
onItemChanged: function LS_onItemChanged(aItemId, aProperty, aIsAnno, aValue,
|
|
aLastModified, aItemType)
|
|
{
|
|
if (aItemType == Ci.nsINavBookmarksService.TYPE_FOLDER) {
|
|
if (this._itemAdded && this._itemAdded.id == aItemId) {
|
|
this._itemAdded.lastModified = aLastModified;
|
|
}
|
|
if (aItemId in this._livemarks) {
|
|
if (aProperty == "title") {
|
|
this._livemarks[aItemId].title = aValue;
|
|
}
|
|
this._livemarks[aItemId].lastModified = aLastModified;
|
|
}
|
|
}
|
|
},
|
|
|
|
onItemMoved: function LS_onItemMoved(aItemId, aOldParentId, aOldIndex,
|
|
aNewParentId, aNewIndex, aItemType)
|
|
{
|
|
if (aItemType == Ci.nsINavBookmarksService.TYPE_FOLDER &&
|
|
aItemId in this._livemarks) {
|
|
this._livemarks[aItemId].parentId = aNewParentId;
|
|
this._livemarks[aItemId].index = aNewIndex;
|
|
}
|
|
},
|
|
|
|
onItemRemoved: function LS_onItemRemoved(aItemId, aParentId, aIndex,
|
|
aItemType, aURI, aGUID)
|
|
{
|
|
if (aItemType == Ci.nsINavBookmarksService.TYPE_FOLDER &&
|
|
aItemId in this._livemarks) {
|
|
this._livemarks[aItemId].terminate();
|
|
delete this._livemarks[aItemId];
|
|
delete this._guids[aGUID];
|
|
}
|
|
},
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//// nsINavHistoryObserver
|
|
|
|
onBeginUpdateBatch: function () {},
|
|
onEndUpdateBatch: function () {},
|
|
onPageChanged: function () {},
|
|
onTitleChanged: function () {},
|
|
onDeleteVisits: function () {},
|
|
onBeforeDeleteURI: function () {},
|
|
|
|
onClearHistory: function () {},
|
|
|
|
onDeleteURI: function PS_onDeleteURI(aURI) {
|
|
for each (let livemark in this._livemarks) {
|
|
livemark.updateURIVisitedStatus(aURI, false);
|
|
}
|
|
},
|
|
|
|
onVisit: function PS_onVisit(aURI) {
|
|
for each (let livemark in this._livemarks) {
|
|
livemark.updateURIVisitedStatus(aURI, true);
|
|
}
|
|
},
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//// nsISupports
|
|
|
|
classID: Components.ID("{dca61eb5-c7cd-4df1-b0fb-d0722baba251}"),
|
|
|
|
_xpcom_factory: XPCOMUtils.generateSingletonFactory(LivemarkService),
|
|
|
|
QueryInterface: XPCOMUtils.generateQI([
|
|
Ci.nsILivemarkService
|
|
, Ci.mozIAsyncLivemarks
|
|
, Ci.nsINavBookmarkObserver
|
|
, Ci.nsINavHistoryObserver
|
|
, Ci.nsIObserver
|
|
, Ci.nsISupportsWeakReference
|
|
])
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//// Livemark
|
|
|
|
/**
|
|
* Object used internally to represent a livemark.
|
|
*
|
|
* @param aLivemarkInfo
|
|
* Object containing information on the livemark. If the livemark is
|
|
* not included in the object, a new livemark will be created.
|
|
*
|
|
* @note terminate() must be invoked before getting rid of this object.
|
|
*/
|
|
function Livemark(aLivemarkInfo)
|
|
{
|
|
this.title = aLivemarkInfo.title;
|
|
this.parentId = aLivemarkInfo.parentId;
|
|
this.index = aLivemarkInfo.index;
|
|
|
|
this._status = Ci.mozILivemark.STATUS_READY;
|
|
|
|
// Hash of resultObservers, hashed by container.
|
|
this._resultObservers = new Map();
|
|
// This keeps a list of the containers used as keys in the map, since
|
|
// it's not iterable. In future may use an iterable Map.
|
|
this._resultObserversList = [];
|
|
|
|
// Sorted array of objects representing livemark children in the form
|
|
// { uri, title, visited }.
|
|
this._children = [];
|
|
|
|
// Keeps a separate array of nodes for each requesting container, hashed by
|
|
// the container itself.
|
|
this._nodes = new Map();
|
|
|
|
this._guid = "";
|
|
this._lastModified = 0;
|
|
|
|
this.loadGroup = null;
|
|
this.feedURI = null;
|
|
this.siteURI = null;
|
|
this.expireTime = 0;
|
|
|
|
if (aLivemarkInfo.id) {
|
|
// This request comes from the cache.
|
|
this.id = aLivemarkInfo.id;
|
|
this.guid = aLivemarkInfo.guid;
|
|
this.feedURI = aLivemarkInfo.feedURI;
|
|
this.siteURI = aLivemarkInfo.siteURI;
|
|
this.lastModified = aLivemarkInfo.lastModified;
|
|
}
|
|
else {
|
|
// Create a new livemark.
|
|
this.id = PlacesUtils.bookmarks.createFolder(aLivemarkInfo.parentId,
|
|
aLivemarkInfo.title,
|
|
aLivemarkInfo.index);
|
|
PlacesUtils.bookmarks.setFolderReadonly(this.id, true);
|
|
if (aLivemarkInfo.guid) {
|
|
this.writeGuid(aLivemarkInfo.guid);
|
|
}
|
|
this.writeFeedURI(aLivemarkInfo.feedURI);
|
|
if (aLivemarkInfo.siteURI) {
|
|
this.writeSiteURI(aLivemarkInfo.siteURI);
|
|
}
|
|
// Last modified time must be the last change.
|
|
if (aLivemarkInfo.lastModified) {
|
|
this.lastModified = aLivemarkInfo.lastModified;
|
|
PlacesUtils.bookmarks.setItemLastModified(this.id, this.lastModified);
|
|
}
|
|
}
|
|
}
|
|
|
|
Livemark.prototype = {
|
|
get status() this._status,
|
|
set status(val) {
|
|
if (this._status != val) {
|
|
this._status = val;
|
|
this._invalidateRegisteredContainers();
|
|
}
|
|
return this._status;
|
|
},
|
|
|
|
/**
|
|
* Sets an annotation on the bookmarks folder id representing the livemark.
|
|
*
|
|
* @param aAnnoName
|
|
* Name of the annotation.
|
|
* @param aValue
|
|
* Value of the annotation.
|
|
* @return The annotation value.
|
|
* @throws If the folder is invalid.
|
|
*/
|
|
_setAnno: function LM__setAnno(aAnnoName, aValue)
|
|
{
|
|
PlacesUtils.annotations
|
|
.setItemAnnotation(this.id, aAnnoName, aValue, 0,
|
|
PlacesUtils.annotations.EXPIRE_NEVER);
|
|
},
|
|
|
|
writeFeedURI: function LM_writeFeedURI(aFeedURI)
|
|
{
|
|
this._setAnno(PlacesUtils.LMANNO_FEEDURI, aFeedURI.spec);
|
|
this.feedURI = aFeedURI;
|
|
},
|
|
|
|
writeSiteURI: function LM_writeSiteURI(aSiteURI)
|
|
{
|
|
if (!aSiteURI) {
|
|
PlacesUtils.annotations.removeItemAnnotation(this.id,
|
|
PlacesUtils.LMANNO_SITEURI)
|
|
this.siteURI = null;
|
|
return;
|
|
}
|
|
|
|
// Security check the site URI against the feed URI principal.
|
|
let feedPrincipal = secMan.getSimpleCodebasePrincipal(this.feedURI);
|
|
try {
|
|
secMan.checkLoadURIWithPrincipal(feedPrincipal, aSiteURI, SEC_FLAGS);
|
|
}
|
|
catch (ex) {
|
|
return;
|
|
}
|
|
|
|
this._setAnno(PlacesUtils.LMANNO_SITEURI, aSiteURI.spec)
|
|
this.siteURI = aSiteURI;
|
|
},
|
|
|
|
writeGuid: function LM_writeGuid(aGUID)
|
|
{
|
|
// There isn't a way to create a bookmark with a given guid yet, nor to
|
|
// set a guid on an existing one. So, for now, just go the dirty way.
|
|
let db = PlacesUtils.history.QueryInterface(Ci.nsPIPlacesDatabase)
|
|
.DBConnection;
|
|
let stmt = db.createAsyncStatement("UPDATE moz_bookmarks " +
|
|
"SET guid = :guid " +
|
|
"WHERE id = :item_id");
|
|
stmt.params.guid = aGUID;
|
|
stmt.params.item_id = this.id;
|
|
let livemark = this;
|
|
stmt.executeAsync({
|
|
handleError: function () {},
|
|
handleResult: function () {},
|
|
handleCompletion: function ETAT_handleCompletion(aReason)
|
|
{
|
|
if (aReason == Ci.mozIStorageStatementCallback.REASON_FINISHED) {
|
|
livemark._guid = aGUID;
|
|
}
|
|
}
|
|
});
|
|
stmt.finalize();
|
|
},
|
|
|
|
set guid(aGUID) {
|
|
this._guid = aGUID;
|
|
return aGUID;
|
|
},
|
|
get guid()
|
|
{
|
|
if (!/^[a-zA-Z0-9\-_]{12}$/.test(this._guid)) {
|
|
// The old synchronous interface is not guid-aware, so this may still have
|
|
// to be populated manually.
|
|
let db = PlacesUtils.history.QueryInterface(Ci.nsPIPlacesDatabase)
|
|
.DBConnection;
|
|
let stmt = db.createStatement("SELECT guid FROM moz_bookmarks " +
|
|
"WHERE id = :item_id");
|
|
stmt.params.item_id = this.id;
|
|
try {
|
|
if (stmt.executeStep()) {
|
|
this._guid = stmt.row.guid;
|
|
}
|
|
} finally {
|
|
stmt.finalize();
|
|
}
|
|
}
|
|
return this._guid;
|
|
},
|
|
|
|
set lastModified(aLastModified) {
|
|
this._lastModified = aLastModified;
|
|
return aLastModified;
|
|
},
|
|
get lastModified()
|
|
{
|
|
if (!this._lastModified) {
|
|
// The old synchronous interface ignores the last modified time.
|
|
let db = PlacesUtils.history.QueryInterface(Ci.nsPIPlacesDatabase)
|
|
.DBConnection;
|
|
let stmt = db.createStatement("SELECT lastModified FROM moz_bookmarks " +
|
|
"WHERE id = :item_id");
|
|
stmt.params.item_id = this.id;
|
|
try {
|
|
if (stmt.executeStep()) {
|
|
this._lastModified = stmt.row.lastModified;
|
|
}
|
|
} finally {
|
|
stmt.finalize();
|
|
}
|
|
}
|
|
return this._lastModified;
|
|
},
|
|
|
|
/**
|
|
* Tries to updates the livemark if needed.
|
|
* The update process is asynchronous.
|
|
*
|
|
* @param [optional] aForceUpdate
|
|
* If true will try to update the livemark even if its contents have
|
|
* not yet expired.
|
|
*/
|
|
updateChildren: function LM_updateChildren(aForceUpdate)
|
|
{
|
|
// Check if the livemark is already updating.
|
|
if (this.status == Ci.mozILivemark.STATUS_LOADING)
|
|
return;
|
|
|
|
// Check the TTL/expiration on this, to check if there is no need to update
|
|
// this livemark.
|
|
if (!aForceUpdate && this.children.length && this.expireTime > Date.now())
|
|
return;
|
|
|
|
this.status = Ci.mozILivemark.STATUS_LOADING;
|
|
|
|
// Setting the status notifies observers that may remove the livemark.
|
|
if (this._terminated)
|
|
return;
|
|
|
|
try {
|
|
// Create a load group for the request. This will allow us to
|
|
// automatically keep track of redirects, so we can always
|
|
// cancel the channel.
|
|
let loadgroup = Cc["@mozilla.org/network/load-group;1"].
|
|
createInstance(Ci.nsILoadGroup);
|
|
let channel = NetUtil.newChannel(this.feedURI.spec).
|
|
QueryInterface(Ci.nsIHttpChannel);
|
|
channel.loadGroup = loadgroup;
|
|
channel.loadFlags |= Ci.nsIRequest.LOAD_BACKGROUND |
|
|
Ci.nsIRequest.LOAD_BYPASS_CACHE;
|
|
channel.requestMethod = "GET";
|
|
channel.setRequestHeader("X-Moz", "livebookmarks", false);
|
|
|
|
// Stream the result to the feed parser with this listener
|
|
let listener = new LivemarkLoadListener(this);
|
|
channel.notificationCallbacks = listener;
|
|
channel.asyncOpen(listener, null);
|
|
|
|
this.loadGroup = loadgroup;
|
|
}
|
|
catch (ex) {
|
|
this.status = Ci.mozILivemark.STATUS_FAILED;
|
|
}
|
|
},
|
|
|
|
reload: function LM_reload(aForceUpdate)
|
|
{
|
|
this.updateChildren(aForceUpdate);
|
|
},
|
|
|
|
remove: function LM_remove() {
|
|
PlacesUtils.bookmarks.removeItem(this.id);
|
|
},
|
|
|
|
get children() this._children,
|
|
set children(val) {
|
|
this._children = val;
|
|
|
|
// Discard the previous cached nodes, new ones should be generated.
|
|
for (let i = 0; i < this._resultObserversList.length; i++) {
|
|
let container = this._resultObserversList[i];
|
|
this._nodes.delete(container);
|
|
}
|
|
|
|
// Update visited status for each entry.
|
|
for (let i = 0; i < this._children.length; i++) {
|
|
let child = this._children[i];
|
|
asyncHistory.isURIVisited(child.uri,
|
|
(function(aURI, aIsVisited) {
|
|
this.updateURIVisitedStatus(aURI, aIsVisited);
|
|
}).bind(this));
|
|
}
|
|
|
|
return this._children;
|
|
},
|
|
|
|
_isURIVisited: function LM__isURIVisited(aURI) {
|
|
for (let i = 0; i < this.children.length; i++) {
|
|
if (this.children[i].uri.equals(aURI)) {
|
|
return this.children[i].visited;
|
|
}
|
|
}
|
|
},
|
|
|
|
getNodesForContainer: function LM_getNodesForContainer(aContainerNode)
|
|
{
|
|
if (this._nodes.has(aContainerNode)) {
|
|
return this._nodes.get(aContainerNode);
|
|
}
|
|
|
|
let livemark = this;
|
|
let nodes = [];
|
|
let now = Date.now() * 1000;
|
|
for (let i = 0; i < this._children.length; i++) {
|
|
let child = this._children[i];
|
|
let node = {
|
|
// The QueryInterface is needed cause aContainerNode is a jsval.
|
|
// This is required to avoid issues with scriptable wrappers that would
|
|
// not allow the view to correctly set expandos.
|
|
get parent()
|
|
aContainerNode.QueryInterface(Ci.nsINavHistoryContainerResultNode),
|
|
get parentResult() this.parent.parentResult,
|
|
get uri() child.uri.spec,
|
|
get type() Ci.nsINavHistoryResultNode.RESULT_TYPE_URI,
|
|
get title() child.title,
|
|
get accessCount()
|
|
Number(livemark._isURIVisited(NetUtil.newURI(this.uri))),
|
|
get time() 0,
|
|
get icon() "",
|
|
get indentLevel() this.parent.indentLevel + 1,
|
|
get bookmarkIndex() -1,
|
|
get itemId() -1,
|
|
get dateAdded() now + i,
|
|
get lastModified() now + i,
|
|
get tags()
|
|
PlacesUtils.tagging.getTagsForURI(NetUtil.newURI(this.uri)).join(", "),
|
|
QueryInterface: XPCOMUtils.generateQI([Ci.nsINavHistoryResultNode])
|
|
};
|
|
nodes.push(node);
|
|
}
|
|
this._nodes.set(aContainerNode, nodes);
|
|
return nodes;
|
|
},
|
|
|
|
registerForUpdates: function LM_registerForUpdates(aContainerNode,
|
|
aResultObserver)
|
|
{
|
|
this._resultObservers.set(aContainerNode, aResultObserver);
|
|
this._resultObserversList.push(aContainerNode);
|
|
},
|
|
|
|
unregisterForUpdates: function LM_unregisterForUpdates(aContainerNode)
|
|
{
|
|
this._resultObservers.delete(aContainerNode);
|
|
let index = this._resultObserversList.indexOf(aContainerNode);
|
|
this._resultObserversList.splice(index, 1);
|
|
|
|
this._nodes.delete(aContainerNode);
|
|
},
|
|
|
|
_invalidateRegisteredContainers: function LM__invalidateRegisteredContainers()
|
|
{
|
|
for (let i = 0; i < this._resultObserversList.length; i++) {
|
|
let container = this._resultObserversList[i];
|
|
let observer = this._resultObservers.get(container);
|
|
observer.invalidateContainer(container);
|
|
}
|
|
},
|
|
|
|
updateURIVisitedStatus:
|
|
function LM_updateURIVisitedStatus(aURI, aVisitedStatus)
|
|
{
|
|
for (let i = 0; i < this.children.length; i++) {
|
|
if (this.children[i].uri.equals(aURI)) {
|
|
this.children[i].visited = aVisitedStatus;
|
|
}
|
|
}
|
|
|
|
for (let i = 0; i < this._resultObserversList.length; i++) {
|
|
let container = this._resultObserversList[i];
|
|
let observer = this._resultObservers.get(container);
|
|
if (this._nodes.has(container)) {
|
|
let nodes = this._nodes.get(container);
|
|
for (let j = 0; j < nodes.length; j++) {
|
|
let node = nodes[j];
|
|
if (node.uri == aURI.spec) {
|
|
Services.tm.mainThread.dispatch((function () {
|
|
observer.nodeHistoryDetailsChanged(node, 0, aVisitedStatus);
|
|
}).bind(this), Ci.nsIThread.DISPATCH_NORMAL);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Terminates the livemark entry, cancelling any ongoing load.
|
|
* Must be invoked before destroying the entry.
|
|
*/
|
|
terminate: function LM_terminate()
|
|
{
|
|
// Avoid handling any updateChildren request from now on.
|
|
this._terminated = true;
|
|
// Clear the list before aborting, since abort() would try to set the
|
|
// status and notify about it, but that's not really useful at this point.
|
|
this._resultObserversList = [];
|
|
this.abort();
|
|
},
|
|
|
|
/**
|
|
* Aborts the livemark loading if needed.
|
|
*/
|
|
abort: function LM_abort()
|
|
{
|
|
this.status = Ci.mozILivemark.STATUS_FAILED;
|
|
if (this.loadGroup) {
|
|
this.loadGroup.cancel(Cr.NS_BINDING_ABORTED);
|
|
this.loadGroup = null;
|
|
}
|
|
},
|
|
|
|
QueryInterface: XPCOMUtils.generateQI([
|
|
Ci.mozILivemark
|
|
])
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//// LivemarkLoadListener
|
|
|
|
/**
|
|
* Object used internally to handle loading a livemark's contents.
|
|
*
|
|
* @param aLivemark
|
|
* The Livemark that is loading.
|
|
*/
|
|
function LivemarkLoadListener(aLivemark)
|
|
{
|
|
this._livemark = aLivemark;
|
|
this._processor = null;
|
|
this._isAborted = false;
|
|
this._ttl = EXPIRE_TIME_MS;
|
|
}
|
|
|
|
LivemarkLoadListener.prototype = {
|
|
abort: function LLL_abort(aException)
|
|
{
|
|
if (!this._isAborted) {
|
|
this._isAborted = true;
|
|
this._livemark.abort();
|
|
this._setResourceTTL(ONERROR_EXPIRE_TIME_MS);
|
|
}
|
|
},
|
|
|
|
// nsIFeedResultListener
|
|
handleResult: function LLL_handleResult(aResult)
|
|
{
|
|
if (this._isAborted) {
|
|
return;
|
|
}
|
|
|
|
try {
|
|
// We need this to make sure the item links are safe
|
|
let feedPrincipal =
|
|
secMan.getSimpleCodebasePrincipal(this._livemark.feedURI);
|
|
|
|
// Enforce well-formedness because the existing code does
|
|
if (!aResult || !aResult.doc || aResult.bozo) {
|
|
throw new Components.Exception("", Cr.NS_ERROR_FAILURE);
|
|
}
|
|
|
|
let feed = aResult.doc.QueryInterface(Ci.nsIFeed);
|
|
let siteURI = this._livemark.siteURI;
|
|
if (feed.link && (!siteURI || !feed.link.equals(siteURI))) {
|
|
siteURI = feed.link;
|
|
this._livemark.writeSiteURI(siteURI);
|
|
}
|
|
|
|
// Insert feed items.
|
|
let livemarkChildren = [];
|
|
for (let i = 0; i < feed.items.length; ++i) {
|
|
let entry = feed.items.queryElementAt(i, Ci.nsIFeedEntry);
|
|
let uri = entry.link || siteURI;
|
|
if (!uri) {
|
|
continue;
|
|
}
|
|
|
|
try {
|
|
secMan.checkLoadURIWithPrincipal(feedPrincipal, uri, SEC_FLAGS);
|
|
}
|
|
catch(ex) {
|
|
continue;
|
|
}
|
|
|
|
let title = entry.title ? entry.title.plainText() : "";
|
|
livemarkChildren.push({ uri: uri, title: title, visited: false });
|
|
}
|
|
|
|
this._livemark.children = livemarkChildren;
|
|
}
|
|
catch (ex) {
|
|
this.abort(ex);
|
|
}
|
|
finally {
|
|
this._processor.listener = null;
|
|
this._processor = null;
|
|
}
|
|
},
|
|
|
|
onDataAvailable: function LLL_onDataAvailable(aRequest, aContext,
|
|
aInputStream, aSourceOffset,
|
|
aCount)
|
|
{
|
|
if (this._processor) {
|
|
this._processor.onDataAvailable(aRequest, aContext, aInputStream,
|
|
aSourceOffset, aCount);
|
|
}
|
|
},
|
|
|
|
onStartRequest: function LLL_onStartRequest(aRequest, aContext)
|
|
{
|
|
if (this._isAborted) {
|
|
throw Cr.NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
let channel = aRequest.QueryInterface(Ci.nsIChannel);
|
|
try {
|
|
// Parse feed data as it comes in
|
|
this._processor = Cc["@mozilla.org/feed-processor;1"].
|
|
createInstance(Ci.nsIFeedProcessor);
|
|
this._processor.listener = this;
|
|
this._processor.parseAsync(null, channel.URI);
|
|
this._processor.onStartRequest(aRequest, aContext);
|
|
}
|
|
catch (ex) {
|
|
Components.utils.reportError("Livemark Service: feed processor received an invalid channel for " + channel.URI.spec);
|
|
this.abort(ex);
|
|
}
|
|
},
|
|
|
|
onStopRequest: function LLL_onStopRequest(aRequest, aContext, aStatus)
|
|
{
|
|
if (!Components.isSuccessCode(aStatus)) {
|
|
this.abort();
|
|
return;
|
|
}
|
|
|
|
// Set an expiration on the livemark, to reloading the data in future.
|
|
try {
|
|
if (this._processor) {
|
|
this._processor.onStopRequest(aRequest, aContext, aStatus);
|
|
}
|
|
|
|
// Calculate a new ttl
|
|
let channel = aRequest.QueryInterface(Ci.nsICachingChannel);
|
|
if (channel) {
|
|
let entryInfo = channel.cacheToken.QueryInterface(Ci.nsICacheEntryInfo);
|
|
if (entryInfo) {
|
|
// nsICacheEntryInfo returns value as seconds.
|
|
let expireTime = entryInfo.expirationTime * 1000;
|
|
let nowTime = Date.now();
|
|
// Note, expireTime can be 0, see bug 383538.
|
|
if (expireTime > nowTime) {
|
|
this._setResourceTTL(Math.max((expireTime - nowTime),
|
|
EXPIRE_TIME_MS));
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
this._setResourceTTL(EXPIRE_TIME_MS);
|
|
}
|
|
catch (ex) {
|
|
this.abort(ex);
|
|
}
|
|
finally {
|
|
if (this._livemark.status == Ci.mozILivemark.STATUS_LOADING) {
|
|
this._livemark.status = Ci.mozILivemark.STATUS_READY;
|
|
}
|
|
this._livemark.locked = false;
|
|
this._livemark.loadGroup = null;
|
|
}
|
|
},
|
|
|
|
_setResourceTTL: function LLL__setResourceTTL(aMilliseconds)
|
|
{
|
|
this._livemark.expireTime = Date.now() + aMilliseconds;
|
|
},
|
|
|
|
// nsIBadCertListener2
|
|
notifyCertProblem: function LLL_certProblem(aSocketInfo, aStatus, aTargetSite)
|
|
{
|
|
return true;
|
|
},
|
|
|
|
// nsISSLErrorListener
|
|
notifySSLError: function LLL_SSLError(aSocketInfo, aError, aTargetSite)
|
|
{
|
|
return true;
|
|
},
|
|
|
|
// nsIInterfaceRequestor
|
|
getInterface: function LLL_getInterface(aIID)
|
|
{
|
|
return this.QueryInterface(aIID);
|
|
},
|
|
|
|
// nsISupports
|
|
QueryInterface: XPCOMUtils.generateQI([
|
|
Ci.nsIFeedResultListener
|
|
, Ci.nsIStreamListener
|
|
, Ci.nsIRequestObserver
|
|
, Ci.nsIBadCertListener2
|
|
, Ci.nsISSLErrorListener
|
|
, Ci.nsIInterfaceRequestor
|
|
])
|
|
}
|
|
|
|
const NSGetFactory = XPCOMUtils.generateNSGetFactory([LivemarkService]);
|