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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
ChromeUtils.defineModuleGetter(
this,
"FormHistory",
);
function FormHistoryStartup() {}
FormHistoryStartup.prototype = {
classID: Components.ID("{3A0012EB-007F-4BB8-AA81-A07385F77A25}"),
QueryInterface: ChromeUtils.generateQI([
"nsIObserver",
"nsISupportsWeakReference",
]),
observe(subject, topic, data) {
switch (topic) {
case "nsPref:changed":
FormHistory.updatePrefs();
break;
case "idle-daily":
case "formhistory-expire-now":
FormHistory.expireOldEntries();
break;
case "profile-after-change":
this.init();
break;
}
},
inited: false,
pendingQuery: null,
init() {
if (this.inited) {
return;
}
this.inited = true;
Services.prefs.addObserver("browser.formfill.", this, true);
// triggers needed service cleanup and db shutdown
Services.obs.addObserver(this, "idle-daily", true);
Services.obs.addObserver(this, "formhistory-expire-now", true);
Services.ppmm.addMessageListener(
"FormHistory:AutoCompleteSearchAsync",
this
);
Services.ppmm.addMessageListener("FormHistory:RemoveEntry", this);
},
receiveMessage(message) {
switch (message.name) {
case "FormHistory:AutoCompleteSearchAsync": {
// This case is only used for the search field. There is a
// similar algorithm in FormHistoryParent.jsm that uses
// sendQuery for other form fields.
let { id, searchString, params } = message.data;
if (this.pendingQuery) {
this.pendingQuery.cancel();
this.pendingQuery = null;
}
let query = null;
let results = [];
let processResults = {
handleResult: aResult => {
results.push(aResult);
},
handleCompletion: aReason => {
// Check that the current query is still the one we created. Our
// query might have been canceled shortly before completing, in
// that case we don't want to call the callback anymore.
if (query === this.pendingQuery) {
this.pendingQuery = null;
if (!aReason) {
message.target.sendAsyncMessage(
"FormHistory:AutoCompleteSearchResults",
{
id,
results,
}
);
}
}
},
};
query = FormHistory.getAutoCompleteResults(
searchString,
params,
processResults
);
this.pendingQuery = query;
break;
}
case "FormHistory:RemoveEntry": {
let { inputName, value, guid } = message.data;
FormHistory.update({
op: "remove",
fieldname: inputName,
value,
guid,
});
break;
}
}
},
};
var EXPORTED_SYMBOLS = ["FormHistoryStartup"];