142 lines
4.3 KiB
JavaScript
142 lines
4.3 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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const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
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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, "FormHistory",
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"resource://gre/modules/FormHistory.jsm");
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function FormHistoryStartup() { }
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FormHistoryStartup.prototype = {
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classID: Components.ID("{3A0012EB-007F-4BB8-AA81-A07385F77A25}"),
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QueryInterface: XPCOMUtils.generateQI([
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Ci.nsIObserver,
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Ci.nsISupportsWeakReference,
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Ci.nsIFrameMessageListener,
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]),
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observe(subject, topic, data) {
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switch (topic) {
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case "nsPref:changed":
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FormHistory.updatePrefs();
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break;
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case "idle-daily":
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case "formhistory-expire-now":
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FormHistory.expireOldEntries();
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break;
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case "profile-before-change":
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FormHistory.shutdown();
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break;
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case "profile-after-change":
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this.init();
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break;
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}
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},
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inited: false,
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pendingQuery: null,
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init() {
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if (this.inited) {
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return;
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}
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this.inited = true;
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Services.prefs.addObserver("browser.formfill.", this, true);
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// triggers needed service cleanup and db shutdown
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Services.obs.addObserver(this, "profile-before-change", true);
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Services.obs.addObserver(this, "formhistory-expire-now", true);
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Services.ppmm.loadProcessScript("chrome://satchel/content/formSubmitListener.js", true);
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Services.ppmm.addMessageListener("FormHistory:FormSubmitEntries", this);
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let messageManager = Cc["@mozilla.org/globalmessagemanager;1"]
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.getService(Ci.nsIMessageListenerManager);
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// For each of these messages, we could receive them from content,
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// or we might receive them from the ppmm if the searchbar is
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// having its history queried.
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for (let manager of [messageManager, Services.ppmm]) {
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manager.addMessageListener("FormHistory:AutoCompleteSearchAsync", this);
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manager.addMessageListener("FormHistory:RemoveEntry", this);
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}
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},
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receiveMessage(message) {
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switch (message.name) {
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case "FormHistory:FormSubmitEntries": {
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let entries = message.data;
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let changes = entries.map(entry => ({
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op: "bump",
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fieldname: entry.name,
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value: entry.value,
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}));
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FormHistory.update(changes);
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break;
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}
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case "FormHistory:AutoCompleteSearchAsync": {
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let { id, searchString, params } = message.data;
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if (this.pendingQuery) {
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this.pendingQuery.cancel();
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this.pendingQuery = null;
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}
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let mm;
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let query = null;
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if (message.target instanceof Ci.nsIMessageListenerManager) {
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// The target is the PPMM, meaning that the parent process
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// is requesting FormHistory data on the searchbar.
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mm = message.target;
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} else {
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// Otherwise, the target is a <xul:browser>.
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mm = message.target.messageManager;
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}
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let results = [];
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let processResults = {
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handleResult: aResult => {
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results.push(aResult);
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},
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handleCompletion: aReason => {
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// Check that the current query is still the one we created. Our
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// query might have been canceled shortly before completing, in
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// that case we don't want to call the callback anymore.
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if (query === this.pendingQuery) {
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this.pendingQuery = null;
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if (!aReason) {
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mm.sendAsyncMessage("FormHistory:AutoCompleteSearchResults",
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{ id, results });
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}
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}
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},
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};
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query = FormHistory.getAutoCompleteResults(searchString, params, processResults);
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this.pendingQuery = query;
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break;
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}
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case "FormHistory:RemoveEntry": {
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let { inputName, value } = message.data;
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FormHistory.update({
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op: "remove",
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fieldname: inputName,
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value,
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});
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break;
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}
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}
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},
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([FormHistoryStartup]);
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