home *** CD-ROM | disk | FTP | other *** search
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Weave
- *
- * The Initial Developer of the Original Code is Mozilla.
- * Portions created by the Initial Developer are Copyright (C) 2008
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Dan Mills <thunder@mozilla.com>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- const EXPORTED_SYMBOLS = ['HistoryEngine'];
-
- const Cc = Components.classes;
- const Ci = Components.interfaces;
- const Cu = Components.utils;
-
- const GUID_ANNO = "weave/guid";
-
- Cu.import("resource://gre/modules/XPCOMUtils.jsm");
- Cu.import("resource://weave/util.js");
- Cu.import("resource://weave/engines.js");
- Cu.import("resource://weave/stores.js");
- Cu.import("resource://weave/trackers.js");
- Cu.import("resource://weave/type_records/history.js");
-
- // Create some helper functions to handle GUIDs
- function setGUID(uri, guid) {
- if (arguments.length == 1)
- guid = Utils.makeGUID();
- Utils.anno(uri, GUID_ANNO, guid, "WITH_HISTORY");
- return guid;
- }
- function GUIDForUri(uri, create) {
- try {
- // Use the existing GUID if it exists
- return Utils.anno(uri, GUID_ANNO);
- }
- catch (ex) {
- // Give the uri a GUID if it doesn't have one
- if (create)
- return setGUID(uri);
- }
- }
-
- function HistoryEngine() {
- this._init();
- }
- HistoryEngine.prototype = {
- __proto__: SyncEngine.prototype,
- name: "history",
- _displayName: "History",
- description: "All the sites you've been to. Take your awesomebar with you!",
- logName: "History",
- _recordObj: HistoryRec,
- _storeObj: HistoryStore,
- _trackerObj: HistoryTracker,
-
- _sync: Utils.batchSync("History", SyncEngine),
-
- _findDupe: function _findDupe(item) {
- return GUIDForUri(item.histUri);
- }
- };
-
- function HistoryStore() {
- this._init();
- }
- HistoryStore.prototype = {
- __proto__: Store.prototype,
- name: "history",
- _logName: "HistStore",
-
- get _hsvc() {
- let hsvc = Cc["@mozilla.org/browser/nav-history-service;1"].
- getService(Ci.nsINavHistoryService);
- hsvc.QueryInterface(Ci.nsIGlobalHistory2);
- hsvc.QueryInterface(Ci.nsIBrowserHistory);
- hsvc.QueryInterface(Ci.nsPIPlacesDatabase);
- this.__defineGetter__("_hsvc", function() hsvc);
- return hsvc;
- },
-
- get _db() {
- return this._hsvc.DBConnection;
- },
-
- get _visitStm() {
- this._log.trace("Creating SQL statement: _visitStm");
- let stm = this._db.createStatement(
- "SELECT visit_type type, visit_date date " +
- "FROM moz_historyvisits_view " +
- "WHERE place_id = (" +
- "SELECT id " +
- "FROM moz_places_view " +
- "WHERE url = :url) " +
- "ORDER BY date DESC LIMIT 10");
- this.__defineGetter__("_visitStm", function() stm);
- return stm;
- },
-
- get _urlStm() {
- this._log.trace("Creating SQL statement: _urlStm");
- let stm = this._db.createStatement(
- "SELECT url, title, frecency " +
- "FROM moz_places_view " +
- "WHERE id = (" +
- "SELECT place_id " +
- "FROM moz_annos " +
- "WHERE content = :guid AND anno_attribute_id = (" +
- "SELECT id " +
- "FROM moz_anno_attributes " +
- "WHERE name = '" + GUID_ANNO + "'))");
- this.__defineGetter__("_urlStm", function() stm);
- return stm;
- },
-
- // See bug 320831 for why we use SQL here
- _getVisits: function HistStore__getVisits(uri) {
- let visits = [];
- if (typeof(uri) != "string")
- uri = uri.spec;
-
- try {
- this._visitStm.params.url = uri;
- while (this._visitStm.step()) {
- visits.push({date: this._visitStm.row.date,
- type: this._visitStm.row.type});
- }
- } finally {
- this._visitStm.reset();
- }
-
- return visits;
- },
-
- // See bug 468732 for why we use SQL here
- _findURLByGUID: function HistStore__findURLByGUID(guid) {
- try {
- this._urlStm.params.guid = guid;
- if (!this._urlStm.step())
- return null;
-
- return {
- url: this._urlStm.row.url,
- title: this._urlStm.row.title,
- frecency: this._urlStm.row.frecency
- };
- }
- finally {
- this._urlStm.reset();
- }
- },
-
- changeItemID: function HStore_changeItemID(oldID, newID) {
- setGUID(this._findURLByGUID(oldID).url, newID);
- },
-
-
- getAllIDs: function HistStore_getAllIDs() {
- let query = this._hsvc.getNewQuery(),
- options = this._hsvc.getNewQueryOptions();
-
- query.minVisits = 1;
- options.maxResults = 1000;
- options.sortingMode = options.SORT_BY_DATE_DESCENDING;
- options.queryType = options.QUERY_TYPE_HISTORY;
-
- let root = this._hsvc.executeQuery(query, options).root;
- root.QueryInterface(Ci.nsINavHistoryQueryResultNode);
- root.containerOpen = true;
-
- let items = {};
- for (let i = 0; i < root.childCount; i++) {
- let item = root.getChild(i);
- let guid = GUIDForUri(item.uri, true);
- items[guid] = item.uri;
- }
- return items;
- },
-
- create: function HistStore_create(record) {
- // Add the url and set the GUID
- this.update(record);
- setGUID(record.histUri, record.id);
- },
-
- remove: function HistStore_remove(record) {
- let page = this._findURLByGUID(record.id)
- if (page == null) {
- this._log.debug("Page already removed: " + record.id);
- return;
- }
-
- let uri = Utils.makeURI(page.url);
- Svc.History.removePage(uri);
- this._log.trace("Removed page: " + [record.id, page.url, page.title]);
- },
-
- update: function HistStore_update(record) {
- this._log.trace(" -> processing history entry: " + record.histUri);
-
- let uri = Utils.makeURI(record.histUri);
- if (!uri) {
- this._log.warn("Attempted to process invalid URI, skipping");
- throw "invalid URI in record";
- }
- let curvisits = [];
- if (this.urlExists(uri))
- curvisits = this._getVisits(record.histUri);
-
- // Add visits if there's no local visit with the same date
- for each (let {date, type} in record.visits)
- if (curvisits.every(function(cur) cur.date != date))
- Svc.History.addVisit(uri, date, null, type, type == 5 || type == 6, 0);
-
- this._hsvc.setPageTitle(uri, record.title);
- },
-
- itemExists: function HistStore_itemExists(id) {
- if (this._findURLByGUID(id))
- return true;
- return false;
- },
-
- urlExists: function HistStore_urlExists(url) {
- if (typeof(url) == "string")
- url = Utils.makeURI(url);
- // Don't call isVisited on a null URL to work around crasher bug 492442.
- return url ? this._hsvc.isVisited(url) : false;
- },
-
- createRecord: function HistStore_createRecord(guid, cryptoMetaURL) {
- let foo = this._findURLByGUID(guid);
- let record = new HistoryRec();
- record.id = guid;
- if (foo) {
- record.histUri = foo.url;
- record.title = foo.title;
- record.sortindex = foo.frecency;
- record.visits = this._getVisits(record.histUri);
- record.encryption = cryptoMetaURL;
- }
- else
- record.deleted = true;
- this.cache.put(guid, record);
- return record;
- },
-
- wipe: function HistStore_wipe() {
- this._hsvc.removeAllPages();
- }
- };
-
- function HistoryTracker() {
- this._init();
- }
- HistoryTracker.prototype = {
- __proto__: Tracker.prototype,
- name: "history",
- _logName: "HistoryTracker",
- file: "history",
-
- QueryInterface: XPCOMUtils.generateQI([
- Ci.nsINavHistoryObserver,
- Ci.nsINavHistoryObserver_MOZILLA_1_9_1_ADDITIONS
- ]),
-
- get _hsvc() {
- let hsvc = Cc["@mozilla.org/browser/nav-history-service;1"].
- getService(Ci.nsINavHistoryService);
- this.__defineGetter__("_hsvc", function() hsvc);
- return hsvc;
- },
-
- _init: function HT__init() {
- Tracker.prototype._init.call(this);
- this._hsvc.addObserver(this, false);
- },
-
- onBeginUpdateBatch: function HT_onBeginUpdateBatch() {},
- onEndUpdateBatch: function HT_onEndUpdateBatch() {},
- onPageChanged: function HT_onPageChanged() {},
- onTitleChanged: function HT_onTitleChanged() {},
-
- /* Every add or remove is worth 1 point.
- * Clearing the whole history is worth 50 points (see below)
- */
- _upScore: function BMT__upScore() {
- this.score += 1;
- },
-
- onVisit: function HT_onVisit(uri, vid, time, session, referrer, trans) {
- if (this.ignoreAll)
- return;
- this._log.trace("onVisit: " + uri.spec);
- if (this.addChangedID(GUIDForUri(uri, true)))
- this._upScore();
- },
- onPageExpired: function HT_onPageExpired(uri, time, entry) {
- },
- onBeforeDeleteURI: function onBeforeDeleteURI(uri) {
- if (this.ignoreAll)
- return;
- this._log.trace("onBeforeDeleteURI: " + uri.spec);
- if (this.addChangedID(GUIDForUri(uri, true)))
- this._upScore();
- },
- onDeleteURI: function HT_onDeleteURI(uri) {
- },
- onClearHistory: function HT_onClearHistory() {
- this._log.trace("onClearHistory");
- this.score += 500;
- }
- };
-