Publish Vulpes Preview 15 sources for desktop, Android and Tundra
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
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507
gaia/apps/system/js/net_error.js
Executable file
507
gaia/apps/system/js/net_error.js
Executable file
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@ -0,0 +1,507 @@
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(function(exports) {
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'use strict';
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/**
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* Return the current application object
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*/
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var _app;
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function getAppObject(cb) {
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if (_app) {
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cb(_app);
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return;
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}
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var request = navigator.mozApps.getSelf();
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request.onsuccess = function() {
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cb(request.result);
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};
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request.onerror = function() {
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console.warn('about:netError error fetching app: ' + request.error.name);
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cb();
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};
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}
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function getFrameType(error) {
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return isFramed(error) ? 'framed' : 'no-frame';
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}
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/**
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* Check if net_error is coming from within an iframe
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*/
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function isFramed(error) {
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var manifestURL = error.m;
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// frame type values (regular, browser, app)
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var frameType = error.f;
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switch (frameType) {
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// if we are in a "regular" frame, we are indeed framed
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case 'regular':
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return true;
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// if we are an "app" frame, we are not framed
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case 'app':
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return false;
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// If we are in a "browser" frame, we are either in a browser tab/system
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// bookmark, or mozbrowser iframe within in app. Since system
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// bookmarks are considered unframed, we must perform a check here to
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// distinguish between the two cases.
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case 'browser':
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return manifestURL !== window.SYSTEM_MANIFEST;
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default:
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throw new Error('about:netError: invalid frame type - ' + frameType);
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}
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}
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/**
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* Retrieve the application name, if we are not in the context
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* of an app simply return the URI
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*/
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function getAppName(cb) {
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getAppObject(function(app) {
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if (app && app.manifest.name) {
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cb(app.manifest.name);
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} else {
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cb(location.protocol + '//' + location.host);
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}
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});
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}
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/**
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* Populate element with localized string
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*/
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var localizeElement = navigator.mozL10n.setAttributes;
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/**
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* Parse the neterror information that's sent to us as part of the documentURI
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* and return an error object.
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*
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* The error object will contain the following attributes:
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* e - Type of error (eg. 'netOffline').
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* u - URL that generated the error.
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* m - Manifest URI of the application that generated the error.
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* c - Character set for default gecko error message (eg. 'UTF-8').
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* d - Default gecko error message.
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* f - The frame type ("regular", "browser", "app")
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*/
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var _error;
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function getErrorFromURI() {
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if (_error) {
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return _error;
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}
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_error = {};
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var uri = document.documentURI;
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// Quick check to ensure it's the URI format we're expecting.
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if (!uri.startsWith('about:neterror?')) {
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// A blank error will generate the default error message (no network).
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return _error;
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}
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// Small hack to get the URL object to parse the URI correctly.
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var url = new URL(uri.replace('about:', 'http://'));
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// Set the error attributes.
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['e', 'm', 'c', 'd', 'f'].forEach(
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function(v) {
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_error[v] = url.searchParams.get(v);
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}
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);
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// URLs must be displayed in LTR
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_error.u = '\u202a' + url.searchParams.get('u') + '\u202c';
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switch (_error.e) {
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case 'connectionFailure':
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case 'netInterrupt':
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case 'netTimeout':
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case 'netReset':
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_error.e = 'connectionFailed';
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break;
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case 'unknownSocketType':
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case 'unknownProtocolFound':
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case 'cspFrameAncestorBlocked':
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_error.e = 'invalidConnection';
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break;
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}
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return _error;
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}
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/*
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* This method reloads the window if the device is online and in the
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* foreground
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*/
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function reloadIfOnline() {
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if (navigator.onLine && !document.hidden &&
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!document.body.classList.contains('hidden')) {
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document.body.classList.add('hidden');
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NetError.reload(true);
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window.addEventListener('offline', function onOffline() {
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window.removeEventListener('offline', onOffline);
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document.body.classList.remove('hidden');
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});
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}
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}
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function showSettingsView() {
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var activity = new window.MozActivity({
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name: 'configure',
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data: {
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target: 'device',
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section: 'root',
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filterBy: 'connectivity'
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}
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});
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activity.onerror = function() {
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console.warn('Configure activity error:', activity.error.name);
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};
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}
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function hasHistory() {
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return window.history.length > 1;
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}
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function cancel() {
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hasHistory() ? goBack() : closeWindow();
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}
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function goBack() {
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window.history.back();
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}
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function closeWindow() {
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window.close();
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}
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function addConnectionHandlers() {
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document.addEventListener('visibilitychange', reloadIfOnline);
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window.addEventListener('online', reloadIfOnline);
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}
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var ErrorView = function(error, title, message) {
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this.error = error;
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this.titleText = title || 'unable-to-connect';
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this.messageText = message || this.error.d;
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this.node = document.getElementById('net-error-confirm-dialog');
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};
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ErrorView.prototype = {
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applyStyle: function ew_applyStyle() {
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document.body.classList.add(this.error.e);
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},
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addHandlers: function ew_addHandlers() {
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// Subclasses should add the handlers
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},
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populateMessages: function ew_populateMessages() {
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localizeElement(this.title, this.titleText);
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localizeElement(this.message, this.messageText);
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},
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init: function ew_init() {
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window.LazyLoader.load(this.node, (function loaded() {
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this.title = document.getElementById('error-title');
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this.message = document.getElementById('error-message');
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this.applyStyle();
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this.populateMessages();
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this.addHandlers();
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}).bind(this));
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}
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};
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var FramedErrorView = function(error, title, message) {
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ErrorView.call(this, error, title, message);
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};
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FramedErrorView.prototype = Object.create(ErrorView.prototype);
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FramedErrorView.prototype.applyStyle = function few_applyStyle() {
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ErrorView.prototype.applyStyle.call(this);
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document.body.classList.add('framed');
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};
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FramedErrorView.prototype.addHandlers = function few_addHandlers() {
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document.body.onclick = function bodyClick() {
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document.getElementById('retry-icon').classList.remove('still');
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NetError.reload(true);
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};
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};
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var AppErrorView = function(error, title, message) {
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ErrorView.call(this, error, title, message);
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};
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AppErrorView.prototype = Object.create(ErrorView.prototype);
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AppErrorView.prototype.applyStyle = function few_applyStyle() {
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ErrorView.prototype.applyStyle.call(this);
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document.body.classList.add('no-frame');
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};
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AppErrorView.prototype.addHandlers = function aew_addHandlers() {
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document.getElementById('retry-btn').onclick = function retryClick() {
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NetError.reload(true);
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};
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document.getElementById('close-btn').onclick = closeWindow;
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};
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// Dns error view
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var DnsErrorAppErrorView = function(error, title, message) {
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AppErrorView.call(this, error, title, message);
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};
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DnsErrorAppErrorView.prototype = Object.create(AppErrorView.prototype);
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DnsErrorAppErrorView.prototype.populateMessages =
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function noew_populateMessages() {
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localizeElement(this.title, this.titleText);
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localizeElement(this.message, this.messageText,
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{ name: '\u2068' + this.error.u + '\u2069' });
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};
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var DnsErrorFramedErrorView = function(error, title, message) {
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FramedErrorView.call(this, error, title, message);
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};
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DnsErrorFramedErrorView.prototype = Object.create(FramedErrorView.prototype);
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DnsErrorFramedErrorView.prototype.populateMessages =
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function noew_populateMessages() {
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localizeElement(this.title, this.titleText);
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localizeElement(this.message, this.messageText,
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{ name: '\u2068' + this.error.u + '\u2069' });
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};
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// Offline view
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var NetOfflineAppErrorView = function(error) {
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AppErrorView.call(this, error);
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this.node = document.getElementById('net-error-action-menu');
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};
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NetOfflineAppErrorView.prototype = Object.create(AppErrorView.prototype);
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NetOfflineAppErrorView.prototype.populateMessages =
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function noew_populateMessages() {
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if (hasHistory()) {
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localizeElement(this.title, 'network-error-in-app');
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} else {
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getAppName((function localizeTitle(appName) {
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localizeElement(this.title, 'network-error-launching', {
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name: appName
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});
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}).bind(this));
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}
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};
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NetOfflineAppErrorView.prototype.addHandlers = function noew_addHandlers() {
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addConnectionHandlers();
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document.getElementById('settings-btn').onclick = showSettingsView;
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document.getElementById('cancel-btn').onclick = cancel;
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};
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var NetOfflineFramedErrorView = function(error) {
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FramedErrorView.call(this, error);
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};
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NetOfflineFramedErrorView.prototype =
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Object.create(FramedErrorView.prototype);
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NetOfflineFramedErrorView.prototype.populateMessages =
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function noew_populateMessages() {
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localizeElement(this.title, 'unable-to-connect');
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localizeElement(this.message, 'tap-to-check-settings');
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};
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NetOfflineFramedErrorView.prototype.addHandlers =
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function noew_addHandlers() {
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addConnectionHandlers();
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document.body.onclick = showSettingsView;
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};
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// Confirm views
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var ConfirmAppErrorView = function(error, title, message) {
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AppErrorView.call(this, error, title, message);
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};
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ConfirmAppErrorView.prototype = Object.create(AppErrorView.prototype);
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ConfirmAppErrorView.prototype.applyStyle = function caew_applyStyle() {
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AppErrorView.prototype.applyStyle.call(this);
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document.body.classList.add('dialog');
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};
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// Alert view
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var AlertAppErrorView = function(error, title, message) {
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AppErrorView.call(this, error, title, message);
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};
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AlertAppErrorView.prototype = Object.create(AppErrorView.prototype);
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AlertAppErrorView.prototype.applyStyle = function aaew_applyStyle() {
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AppErrorView.prototype.applyStyle.call(this);
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document.body.classList.add('dialog', 'alert');
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};
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var views = {
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netOffline: {
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'framed': NetOfflineFramedErrorView,
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'no-frame': NetOfflineAppErrorView
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},
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dnsNotFound: {
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'framed': DnsErrorFramedErrorView,
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'no-frame': DnsErrorAppErrorView,
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'title': 'server-not-found',
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'message': 'server-not-found-error'
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},
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connectionFailed: {
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'framed': FramedErrorView,
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'no-frame': ConfirmAppErrorView,
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'title': 'connection-failed',
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'message': 'connection-failed-error'
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},
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notCached: {
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'framed': FramedErrorView,
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'no-frame': ConfirmAppErrorView,
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'title': 'not-cached',
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'message': 'not-cached-error'
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},
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fileNotFound: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'file-not-found',
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'message': 'file-not-found-error'
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},
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invalidConnection: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'invalid-connection',
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'message': 'invalid-connection-error'
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},
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malformedURI: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'malformed-uri',
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'message': 'malformed-uri-error'
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},
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redirectLoop: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'redirect-loop',
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'message': 'redirect-loop-error'
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},
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isprinting: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'message': 'is-printing-error'
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},
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deniedPortAccess: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'denied-port-access',
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'message': 'denied-port-access-error'
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},
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proxyResolveFailure: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'proxy-resolve-failure',
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'message': 'proxy-resolve-failure-error'
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},
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proxyConnectFailure: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'proxy-connect-failure',
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'message': 'proxy-connect-failure-error'
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},
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contentEncodingError: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'content-encoding',
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'message': 'content-encoding-error'
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},
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remoteXUL: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'remote-xul',
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'message': 'remote-xul-error'
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},
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unsafeContentType: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'unsafe-content-type',
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'message': 'unsafe-content-type-error'
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},
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corruptedContentError: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'corrupted-content',
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'message': 'corrupted-content-error'
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},
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phishingBlocked: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'phishing-blocked',
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'message': 'phishing-blocked-error'
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},
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malwareBlocked: {
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'framed': FramedErrorView,
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'no-frame': AlertAppErrorView,
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'title': 'malware-blocked',
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'message': 'malware-blocked-error'
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},
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byDefault: {
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'framed': FramedErrorView,
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'no-frame': AppErrorView
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}
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};
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var ErrorViewFactory = {
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create: function nef_create() {
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var error = getErrorFromURI();
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var view = views[error.e] || views.byDefault;
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return new view[getFrameType(error)](error, view.title,
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view.message);
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}
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};
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/**
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* Initialize the page
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*/
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function initPage() {
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_error = _app = null;
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// Display detailed info about the error.
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console.error('net-error');
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ErrorViewFactory.create().init();
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}
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navigator.mozL10n.ready(initPage);
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var NetError = {
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init: initPage,
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reload: function reload(forcedReload) {
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// When reloading a page with POSTDATA the user will be prompted to
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// confirm if he wants to resend the data. If the user accepted to resend
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// the data, during the reload function call the onbeforeunload event is
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// fired, otherwise if the event is not triggered then the last url from
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// the history is loaded.
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var isReloading = false;
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window.addEventListener('beforeunload', function onBeforeunload() {
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isReloading = true;
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});
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window.location.reload(forcedReload);
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if (!isReloading) {
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history.back();
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}
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}
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};
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exports.NetError = NetError;
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}(this));
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