gecko/services/sync/modules/engines/input.js

274 lines
8.5 KiB
JavaScript

/* ***** 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 Bookmarks Sync.
*
* 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):
* Anant Narayanan <anant@kix.in>
*
* 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 = ['InputEngine'];
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://weave/log4moz.js");
Cu.import("resource://weave/util.js");
Cu.import("resource://weave/engines.js");
Cu.import("resource://weave/stores.js");
Cu.import("resource://weave/trackers.js");
function InputEngine(pbeId) {
this._init(pbeId);
}
InputEngine.prototype = {
get enabled() null, // XXX force disabled in-case the pref was somehow set
__proto__: SyncEngine.prototype,
get name() { return "input"; },
get _displayName() { return "Input History (Location Bar)"; },
get logName() { return "InputEngine"; },
get serverPrefix() { return "user-data/input/"; },
__store: null,
get _store() {
if (!this.__store)
this.__store = new InputStore();
return this.__store;
},
__tracker: null,
get _tracker() {
if (!this.__tracker)
this.__tracker = new InputTracker();
return this.__tracker;
}
};
function InputStore() {
// XXX disabled for now..
return;
this._init();
}
InputStore.prototype = {
__proto__: Store.prototype,
_logName: "InputStore",
_lookup: null,
__placeDB: null,
get _placeDB() {
if (!this.__placeDB) {
let file = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIProperties).
get("ProfD", Ci.nsIFile);
file.append("places.sqlite");
let stor = Cc["@mozilla.org/storage/service;1"].
getService(Ci.mozIStorageService);
this.__histDB = stor.openDatabase(file);
}
return this.__histDB;
},
_getIDfromURI: function InputStore__getIDfromURI(uri) {
let pidStmnt = this._placeDB.createStatement("SELECT id FROM moz_places WHERE url = ?1");
pidStmnt.bindUTF8StringParameter(0, uri);
if (pidStmnt.executeStep())
return pidStmnt.getInt32(0);
else
return null;
},
_getInputHistory: function InputStore__getInputHistory(id) {
let ipStmnt = this._placeDB.createStatement("SELECT input, use_count FROM moz_inputhistory WHERE place_id = ?1");
ipStmnt.bindInt32Parameter(0, id);
let input = [];
while (ipStmnt.executeStep()) {
let ip = ipStmnt.getUTF8String(0);
let cnt = ipStmnt.getInt32(1);
input[input.length] = {'input': ip, 'count': cnt};
}
return input;
},
_createCommand: function InputStore__createCommand(command) {
this._log.info("InputStore got createCommand: " + command);
let placeID = this._getIDfromURI(command.GUID);
if (placeID) {
let createStmnt = this._placeDB.createStatement("INSERT INTO moz_inputhistory (?1, ?2, ?3)");
createStmnt.bindInt32Parameter(0, placeID);
createStmnt.bindUTF8StringParameter(1, command.data.input);
createStmnt.bindInt32Parameter(2, command.data.count);
createStmnt.execute();
}
},
_removeCommand: function InputStore__removeCommand(command) {
this._log.info("InputStore got removeCommand: " + command);
if (!(command.GUID in this._lookup)) {
this._log.warn("Invalid GUID found, ignoring remove request.");
return;
}
let placeID = this._getIDfromURI(command.GUID);
let remStmnt = this._placeDB.createStatement("DELETE FROM moz_inputhistory WHERE place_id = ?1 AND input = ?2");
remStmnt.bindInt32Parameter(0, placeID);
remStmnt.bindUTF8StringParameter(1, command.data.input);
remStmnt.execute();
delete this._lookup[command.GUID];
},
_editCommand: function InputStore__editCommand(command) {
this._log.info("InputStore got editCommand: " + command);
if (!(command.GUID in this._lookup)) {
this._log.warn("Invalid GUID found, ignoring remove request.");
return;
}
let placeID = this._getIDfromURI(command.GUID);
let editStmnt = this._placeDB.createStatement("UPDATE moz_inputhistory SET input = ?1, use_count = ?2 WHERE place_id = ?3");
if ('input' in command.data) {
editStmnt.bindUTF8StringParameter(0, command.data.input);
} else {
editStmnt.bindUTF8StringParameter(0, this._lookup[command.GUID].input);
}
if ('count' in command.data) {
editStmnt.bindInt32Parameter(1, command.data.count);
} else {
editStmnt.bindInt32Parameter(1, this._lookup[command.GUID].count);
}
editStmnt.bindInt32Parameter(2, placeID);
editStmnt.execute();
},
wrap: function InputStore_wrap() {
this._lookup = {};
let stmnt = this._placeDB.createStatement("SELECT * FROM moz_inputhistory");
while (stmnt.executeStep()) {
let pid = stmnt.getInt32(0);
let inp = stmnt.getUTF8String(1);
let cnt = stmnt.getInt32(2);
let idStmnt = this._placeDB.createStatement("SELECT url FROM moz_places WHERE id = ?1");
idStmnt.bindInt32Parameter(0, pid);
if (idStmnt.executeStep()) {
let key = idStmnt.getUTF8String(0);
this._lookup[key] = { 'input': inp, 'count': cnt };
}
}
return this._lookup;
},
wipe: function InputStore_wipe() {
var stmnt = this._placeDB.createStatement("DELETE FROM moz_inputhistory");
stmnt.execute();
},
_resetGUIDs: function InputStore__resetGUIDs() {
// Not needed.
}
};
function InputTracker() {
// XXX disabled for now..
return;
this._init();
}
InputTracker.prototype = {
__proto__: Tracker.prototype,
_logName: "InputTracker",
__placeDB: null,
get _placeDB() {
if (!this.__placeDB) {
let file = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIProperties).
get("ProfD", Ci.nsIFile);
file.append("places.sqlite");
let stor = Cc["@mozilla.org/storage/service;1"].
getService(Ci.mozIStorageService);
this.__histDB = stor.openDatabase(file);
}
return this.__histDB;
},
/*
* To calculate scores, we just count the changes in
* the database since the last time we were asked.
*
* Each change is worth 5 points.
*/
_rowCount: 0,
get score() {
var stmnt = this._placeDB.createStatement("SELECT COUNT(place_id) FROM moz_inputhistory");
stmnt.executeStep();
var count = stmnt.getInt32(0);
stmnt.reset();
this._score = Math.abs(this._rowCount - count) * 5;
if (this._score >= 100)
return 100;
else
return this._score;
},
resetScore: function InputTracker_resetScore() {
var stmnt = this._placeDB.createStatement("SELECT COUNT(place_id) FROM moz_inputhistory");
stmnt.executeStep();
this._rowCount = stmnt.getInt32(0);
stmnt.reset();
this._score = 0;
},
_init: function InputTracker__init() {
this._log = Log4Moz.Service.getLogger("Service." + this._logName);
this._score = 0;
var stmnt = this._placeDB.createStatement("SELECT COUNT(place_id) FROM moz_inputhistory");
stmnt.executeStep();
this._rowCount = stmnt.getInt32(0);
stmnt.reset();
}
};