mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
328 lines
9.0 KiB
JavaScript
328 lines
9.0 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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this.EXPORTED_SYMBOLS = ['FormEngine', 'FormRec'];
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://services-sync/engines.js");
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Cu.import("resource://services-sync/record.js");
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Cu.import("resource://services-common/async.js");
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Cu.import("resource://services-sync/util.js");
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Cu.import("resource://services-sync/constants.js");
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Cu.import("resource://services-common/log4moz.js");
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const FORMS_TTL = 5184000; // 60 days
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this.FormRec = function FormRec(collection, id) {
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CryptoWrapper.call(this, collection, id);
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}
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FormRec.prototype = {
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__proto__: CryptoWrapper.prototype,
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_logName: "Sync.Record.Form",
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ttl: FORMS_TTL
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};
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Utils.deferGetSet(FormRec, "cleartext", ["name", "value"]);
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let FormWrapper = {
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_log: Log4Moz.repository.getLogger("Sync.Engine.Forms"),
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_getEntryCols: ["fieldname", "value"],
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_guidCols: ["guid"],
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// Do a "sync" search by spinning the event loop until it completes.
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_searchSpinningly: function(terms, searchData) {
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let results = [];
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let cb = Async.makeSpinningCallback();
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let callbacks = {
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handleResult: function(result) {
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results.push(result);
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},
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handleCompletion: function(reason) {
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cb(null, results);
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}
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};
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Svc.FormHistory.search(terms, searchData, callbacks);
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return cb.wait();
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},
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_updateSpinningly: function(changes) {
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let cb = Async.makeSpinningCallback();
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let callbacks = {
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handleCompletion: function(reason) {
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cb();
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}
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};
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Svc.FormHistory.update(changes, callbacks);
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return cb.wait();
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},
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getEntry: function (guid) {
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let results = this._searchSpinningly(this._getEntryCols, {guid: guid});
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if (!results.length) {
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return null;
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}
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return {name: results[0].fieldname, value: results[0].value};
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},
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getGUID: function (name, value) {
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// Query for the provided entry.
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let query = { fieldname: name, value: value };
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let results = this._searchSpinningly(this._guidCols, query);
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return results.length ? results[0].guid : null;
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},
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hasGUID: function (guid) {
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// We could probably use a count function here, but searchSpinningly exists...
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return this._searchSpinningly(this._guidCols, {guid: guid}).length != 0;
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},
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replaceGUID: function (oldGUID, newGUID) {
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let changes = {
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op: "update",
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guid: oldGUID,
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newGuid: newGUID,
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}
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this._updateSpinningly(changes);
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}
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};
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this.FormEngine = function FormEngine(service) {
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SyncEngine.call(this, "Forms", service);
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}
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FormEngine.prototype = {
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__proto__: SyncEngine.prototype,
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_storeObj: FormStore,
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_trackerObj: FormTracker,
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_recordObj: FormRec,
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applyIncomingBatchSize: FORMS_STORE_BATCH_SIZE,
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get prefName() "history",
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_findDupe: function _findDupe(item) {
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return FormWrapper.getGUID(item.name, item.value);
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}
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};
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function FormStore(name, engine) {
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Store.call(this, name, engine);
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}
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FormStore.prototype = {
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__proto__: Store.prototype,
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_processChange: function (change) {
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// If this._changes is defined, then we are applying a batch, so we
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// can defer it.
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if (this._changes) {
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this._changes.push(change);
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return;
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}
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// Otherwise we must handle the change synchronously, right now.
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FormWrapper._updateSpinningly(change);
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},
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applyIncomingBatch: function (records) {
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// We collect all the changes to be made then apply them all at once.
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this._changes = [];
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let failures = Store.prototype.applyIncomingBatch.call(this, records);
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if (this._changes.length) {
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FormWrapper._updateSpinningly(this._changes);
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}
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delete this._changes;
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return failures;
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},
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getAllIDs: function () {
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let results = FormWrapper._searchSpinningly(["guid"], [])
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let guids = {};
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for (let result of results) {
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guids[result.guid] = true;
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}
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return guids;
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},
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changeItemID: function (oldID, newID) {
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FormWrapper.replaceGUID(oldID, newID);
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},
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itemExists: function (id) {
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return FormWrapper.hasGUID(id);
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},
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createRecord: function (id, collection) {
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let record = new FormRec(collection, id);
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let entry = FormWrapper.getEntry(id);
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if (entry != null) {
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record.name = entry.name;
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record.value = entry.value;
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} else {
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record.deleted = true;
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}
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return record;
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},
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create: function (record) {
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this._log.trace("Adding form record for " + record.name);
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let change = {
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op: "add",
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fieldname: record.name,
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value: record.value
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};
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this._processChange(change);
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},
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remove: function (record) {
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this._log.trace("Removing form record: " + record.id);
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let change = {
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op: "remove",
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guid: record.id
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};
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this._processChange(change);
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},
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update: function (record) {
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this._log.trace("Ignoring form record update request!");
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},
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wipe: function () {
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let change = {
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op: "remove"
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};
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FormWrapper._updateSpinningly(change);
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}
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};
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function FormTracker(name, engine) {
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Tracker.call(this, name, engine);
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Svc.Obs.add("weave:engine:start-tracking", this);
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Svc.Obs.add("weave:engine:stop-tracking", this);
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Svc.Obs.add("profile-change-teardown", this);
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}
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FormTracker.prototype = {
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__proto__: Tracker.prototype,
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QueryInterface: XPCOMUtils.generateQI([
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Ci.nsIFormSubmitObserver,
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Ci.nsIObserver,
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Ci.nsISupportsWeakReference]),
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_enabled: false,
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observe: function (subject, topic, data) {
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switch (topic) {
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case "weave:engine:start-tracking":
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if (!this._enabled) {
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Svc.Obs.add("form-notifier", this);
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Svc.Obs.add("satchel-storage-changed", this);
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// nsHTMLFormElement doesn't use the normal observer/observe
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// pattern and looks up nsIFormSubmitObservers to .notify()
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// them so add manually to observers
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Cc["@mozilla.org/observer-service;1"]
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.getService(Ci.nsIObserverService)
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.addObserver(this, "earlyformsubmit", true);
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this._enabled = true;
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}
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break;
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case "weave:engine:stop-tracking":
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if (this._enabled) {
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Svc.Obs.remove("form-notifier", this);
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Svc.Obs.remove("satchel-storage-changed", this);
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Cc["@mozilla.org/observer-service;1"]
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.getService(Ci.nsIObserverService)
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.removeObserver(this, "earlyformsubmit");
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this._enabled = false;
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}
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break;
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case "satchel-storage-changed":
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if (data == "formhistory-add" || data == "formhistory-remove") {
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let guid = subject.QueryInterface(Ci.nsISupportsString).toString();
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this.addChangedID(guid);
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this.score += SCORE_INCREMENT_MEDIUM;
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}
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break;
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case "profile-change-teardown":
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FormWrapper._finalize();
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break;
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}
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},
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notify: function (formElement, aWindow, actionURI) {
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if (this.ignoreAll) {
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return;
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}
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this._log.trace("Form submission notification for " + actionURI.spec);
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// XXX Bug 487541 Copy the logic from nsFormHistory::Notify to avoid
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// divergent logic, which can lead to security issues, until there's a
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// better way to get satchel's results like with a notification.
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// Determine if a dom node has the autocomplete attribute set to "off"
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let completeOff = function(domNode) {
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let autocomplete = domNode.getAttribute("autocomplete");
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return autocomplete && autocomplete.search(/^off$/i) == 0;
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}
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if (completeOff(formElement)) {
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this._log.trace("Form autocomplete set to off");
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return;
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}
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/* Get number of elements in form, add points and changedIDs */
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let len = formElement.length;
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let elements = formElement.elements;
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for (let i = 0; i < len; i++) {
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let el = elements.item(i);
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// Grab the name for debugging, but check if empty when satchel would
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let name = el.name;
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if (name === "") {
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name = el.id;
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}
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if (!(el instanceof Ci.nsIDOMHTMLInputElement)) {
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this._log.trace(name + " is not a DOMHTMLInputElement: " + el);
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continue;
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}
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if (el.type.search(/^text$/i) != 0) {
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this._log.trace(name + "'s type is not 'text': " + el.type);
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continue;
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}
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if (completeOff(el)) {
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this._log.trace(name + "'s autocomplete set to off");
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continue;
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}
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if (el.value === "") {
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this._log.trace(name + "'s value is empty");
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continue;
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}
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if (el.value == el.defaultValue) {
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this._log.trace(name + "'s value is the default");
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continue;
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}
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if (name === "") {
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this._log.trace("Text input element has no name or id");
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continue;
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}
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// Get the GUID on a delay so that it can be added to the DB first...
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Utils.nextTick(function() {
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this._log.trace("Logging form element: " + [name, el.value]);
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this.trackEntry(name, el.value);
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}, this);
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}
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}
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};
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