mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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78 lines
2.4 KiB
JavaScript
78 lines
2.4 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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function debug(msg) {
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Services.console.logStringMessage("SessionStoreContent: " + msg);
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}
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Cu.import("resource://gre/modules/XPCOMUtils.jsm", this);
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/**
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* Listens for and handles content events that we need for the
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* session store service to be notified of state changes in content.
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*/
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let EventListener = {
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DOM_EVENTS: [
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"pageshow", "change", "input", "MozStorageChanged"
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],
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init: function () {
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this.DOM_EVENTS.forEach(e => addEventListener(e, this, true));
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},
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handleEvent: function (event) {
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switch (event.type) {
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case "pageshow":
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if (event.persisted)
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sendAsyncMessage("SessionStore:pageshow");
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break;
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case "input":
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case "change":
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sendAsyncMessage("SessionStore:input");
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break;
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case "MozStorageChanged": {
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let isSessionStorage = true;
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// We are only interested in sessionStorage events
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try {
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if (event.storageArea != content.sessionStorage) {
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isSessionStorage = false;
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}
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} catch (ex) {
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// This page does not even have sessionStorage
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// (this is typically the case of about: pages)
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isSessionStorage = false;
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}
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if (isSessionStorage) {
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sendAsyncMessage("SessionStore:MozStorageChanged");
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}
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break;
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}
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default:
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debug("received unknown event '" + event.type + "'");
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break;
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}
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}
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};
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EventListener.init();
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let ProgressListener = {
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init: function() {
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let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebProgress);
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webProgress.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_LOCATION);
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},
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onLocationChange: function(aWebProgress, aRequest, aLocation, aFlags) {
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// We are changing page, so time to invalidate the state of the tab
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sendAsyncMessage("SessionStore:loadStart");
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},
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onStateChange: function(aWebProgress, aRequest, aStateFlags, aStatus) {},
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onProgressChange: function() {},
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onStatusChange: function() {},
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onSecurityChange: function() {},
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebProgressListener,
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Ci.nsISupportsWeakReference])
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};
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ProgressListener.init();
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