Scott Nonnenberg
8 years ago
parent
413fba80af
commit
7f8ade7747
@ -1,190 +0,0 @@
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;(function () {
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'use strict';
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window.Whisper = window.Whisper || {};
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var State = {
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DISCONNECTING: 1,
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EXPORTING: 2,
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COMPLETE: 3
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};
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Whisper.Migration = {
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isComplete: function() {
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return storage.get('migrationState') === State.COMPLETE;
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},
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inProgress: function() {
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return storage.get('migrationState') > 0 || this.everComplete();
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},
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markComplete: function(target) {
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storage.put('migrationState', State.COMPLETE);
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storage.put('migrationEverCompleted', true);
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if (target) {
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storage.put('migrationStorageLocation', target);
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}
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},
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cancel: function() {
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storage.remove('migrationState');
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},
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beginExport: function() {
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storage.put('migrationState', State.EXPORTING);
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return Whisper.Backup.backupToDirectory();
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},
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init: function() {
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storage.put('migrationState', State.DISCONNECTING);
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Whisper.events.trigger('start-shutdown');
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},
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everComplete: function() {
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return Boolean(storage.get('migrationEverCompleted'));
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},
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getExportLocation: function() {
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return storage.get('migrationStorageLocation');
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}
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};
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Whisper.MigrationView = Whisper.View.extend({
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templateName: 'app-migration-screen',
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className: 'app-loading-screen',
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events: {
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'click .install': 'onClickInstall',
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'click .export': 'onClickExport',
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'click .debug-log': 'onClickDebugLog',
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},
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initialize: function() {
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if (!Whisper.Migration.inProgress()) {
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return;
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}
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// We could be wedged in an 'in progress' state, the migration was started then the
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// app restarted in the middle.
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if (Whisper.Migration.everComplete()) {
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// If the user has ever successfully exported before, we'll show the 'finished'
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// screen with the 'Export again' button.
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Whisper.Migration.markComplete();
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} else if (!Whisper.Migration.isComplete()) {
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// This takes the user back to the very beginning of the process.
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Whisper.Migration.cancel();
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}
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},
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render_attributes: function() {
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var message;
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var exportButton;
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var hideProgress = Whisper.Migration.isComplete();
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var debugLogButton = i18n('submitDebugLog');
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var installButton = i18n('installNewSignal');
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if (this.error) {
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return {
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message: i18n('exportError'),
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hideProgress: true,
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exportButton: i18n('exportAgain'),
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debugLogButton: i18n('submitDebugLog'),
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};
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}
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switch (storage.get('migrationState')) {
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case State.COMPLETE:
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var location = Whisper.Migration.getExportLocation() || i18n('selectedLocation');
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message = i18n('exportComplete', location);
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exportButton = i18n('exportAgain');
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debugLogButton = null;
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break;
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case State.EXPORTING:
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message = i18n('exporting');
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break;
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case State.DISCONNECTING:
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message = i18n('migrationDisconnecting');
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installButton = null;
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break;
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default:
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hideProgress = true;
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message = i18n('exportInstructions');
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exportButton = i18n('export');
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debugLogButton = null;
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installButton = null;
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}
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return {
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hideProgress: hideProgress,
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message: message,
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exportButton: exportButton,
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debugLogButton: debugLogButton,
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installButton: installButton,
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};
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},
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onClickInstall: function() {
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var url = 'https://support.whispersystems.org/hc/en-us/articles/214507138';
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window.open(url, '_blank');
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},
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onClickDebugLog: function() {
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this.openDebugLog();
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},
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openDebugLog: function() {
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this.closeDebugLog();
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this.debugLogView = new Whisper.DebugLogView();
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this.debugLogView.$el.appendTo(this.el);
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},
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closeDebugLog: function() {
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if (this.debugLogView) {
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this.debugLogView.remove();
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this.debugLogView = null;
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}
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},
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onClickExport: function() {
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this.error = null;
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if (!Whisper.Migration.everComplete()) {
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return this.beginMigration();
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}
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// Different behavior for the user's second time through
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Whisper.Migration.beginExport()
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.then(this.completeMigration.bind(this))
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.catch(function(error) {
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if (error.name !== 'ChooseError') {
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this.error = error.message;
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}
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// Even if we run into an error, we call this complete because the user has
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// completed the process once before.
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Whisper.Migration.markComplete();
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this.render();
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}.bind(this));
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this.render();
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},
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beginMigration: function() {
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Whisper.events.once('shutdown-complete', function() {
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Whisper.Migration.beginExport()
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.then(this.completeMigration.bind(this))
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.catch(this.onError.bind(this));
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// Rendering because we're now in the 'exporting' state
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this.render();
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}.bind(this));
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// tells MessageReceiver to disconnect and drain its queue, will fire
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// 'shutdown-complete' event when that is done. Might result in a synchronous
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// event, so call it after we register our callback.
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Whisper.Migration.init();
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// Rendering because we're now in the 'disconnected' state
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this.render();
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},
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completeMigration: function(target) {
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// This will prevent connection to the server on future app launches
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Whisper.Migration.markComplete(target);
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this.render();
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},
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onError: function(error) {
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if (error.name === 'ChooseError') {
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this.cancelMigration();
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} else {
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Whisper.Migration.cancel();
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this.error = error.message;
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this.render();
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}
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},
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cancelMigration: function() {
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Whisper.Migration.cancel();
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this.render();
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}
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});
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}());
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