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82 lines
3.0 KiB
JavaScript
82 lines
3.0 KiB
JavaScript
/*
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* Provide supports for Offline Applications
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*/
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var OfflineApps = {
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offlineAppRequested: function(aRequest, aTarget) {
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if (!Services.prefs.getBoolPref("browser.offline-apps.notify"))
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return;
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let currentURI = Services.io.newURI(aRequest.location, aRequest.charset, null);
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// don't bother showing UI if the user has already made a decision
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if (Services.perms.testExactPermission(currentURI, "offline-app") != Ci.nsIPermissionManager.UNKNOWN_ACTION)
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return;
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try {
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if (Services.prefs.getBoolPref("offline-apps.allow_by_default")) {
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// all pages can use offline capabilities, no need to ask the user
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return;
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}
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} catch(e) {
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// this pref isn't set by default, ignore failures
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}
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let host = currentURI.asciiHost;
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let notificationID = "offline-app-requested-" + host;
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let notificationBox = Browser.getNotificationBox(aTarget);
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let notification = notificationBox.getNotificationWithValue(notificationID);
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let strings = Strings.browser;
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if (notification) {
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notification.documents.push(aRequest);
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} else {
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let buttons = [{
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label: strings.GetStringFromName("offlineApps.allow"),
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accessKey: null,
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callback: function() {
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for (let i = 0; i < notification.documents.length; i++)
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OfflineApps.allowSite(notification.documents[i], aTarget);
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}
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},{
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label: strings.GetStringFromName("offlineApps.never"),
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accessKey: null,
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callback: function() {
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for (let i = 0; i < notification.documents.length; i++)
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OfflineApps.disallowSite(notification.documents[i]);
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}
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},{
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label: strings.GetStringFromName("offlineApps.notNow"),
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accessKey: null,
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callback: function() { /* noop */ }
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}];
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const priority = notificationBox.PRIORITY_INFO_LOW;
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let message = strings.formatStringFromName("offlineApps.available2", [host], 1);
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notification = notificationBox.appendNotification(message, notificationID, "", priority, buttons);
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notification.documents = [aRequest];
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}
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},
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allowSite: function(aRequest, aTarget) {
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let currentURI = Services.io.newURI(aRequest.location, aRequest.charset, null);
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Services.perms.add(currentURI, "offline-app", Ci.nsIPermissionManager.ALLOW_ACTION);
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// When a site is enabled while loading, manifest resources will start
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// fetching immediately. This one time we need to do it ourselves.
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// The update must be started on the content process.
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aTarget.messageManager.sendAsyncMessage("Browser:MozApplicationCache:Fetch", aRequest);
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},
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disallowSite: function(aRequest) {
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let currentURI = Services.io.newURI(aRequest.location, aRequest.charset, null);
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Services.perms.add(currentURI, "offline-app", Ci.nsIPermissionManager.DENY_ACTION);
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},
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receiveMessage: function receiveMessage(aMessage) {
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if (aMessage.name == "Browser:MozApplicationManifest") {
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this.offlineAppRequested(aMessage.json, aMessage.target);
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}
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}
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};
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