| // Copyright (C) 2016 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| (function() { |
| 'use strict'; |
| |
| Polymer({ |
| is: 'gr-error-manager', |
| |
| properties: { |
| _alertElement: Element, |
| _hideAlertHandle: Number, |
| _hideAlertTimeout: { |
| type: Number, |
| value: 5000, |
| }, |
| }, |
| |
| attached: function() { |
| this.listen(document, 'server-error', '_handleServerError'); |
| this.listen(document, 'network-error', '_handleNetworkError'); |
| }, |
| |
| detached: function() { |
| this._clearHideAlertHandle(); |
| this.unlisten(document, 'server-error', '_handleServerError'); |
| this.unlisten(document, 'network-error', '_handleNetworkError'); |
| }, |
| |
| _handleServerError: function(e) { |
| if (e.detail.response.status === 403) { |
| this._getLoggedIn().then(function(loggedIn) { |
| if (loggedIn) { |
| // The app was logged at one point and is now getting auth errors. |
| // This indicates the auth token is no longer valid. |
| this._showAuthErrorAlert(); |
| } |
| }.bind(this)); |
| } else { |
| e.detail.response.text().then(function(text) { |
| this._showAlert('Server error: ' + text); |
| }.bind(this)); |
| } |
| }, |
| |
| _handleNetworkError: function(e) { |
| this._showAlert('Server unavailable'); |
| console.error(e.detail.error.message); |
| }, |
| |
| _getLoggedIn: function() { |
| return this.$.restAPI.getLoggedIn(); |
| }, |
| |
| _showAlert: function(text) { |
| if (this._alertElement) { return; } |
| |
| this._clearHideAlertHandle(); |
| this._hideAlertHandle = |
| this.async(this._hideAlert.bind(this), this._hideAlertTimeout); |
| var el = this._createToastAlert(); |
| el.show(text); |
| this._alertElement = el; |
| }, |
| |
| _hideAlert: function() { |
| if (!this._alertElement) { return; } |
| |
| this._alertElement.hide(); |
| this._alertElement = null; |
| }, |
| |
| _clearHideAlertHandle: function() { |
| if (this._hideAlertHandle != null) { |
| this.cancelAsync(this._hideAlertHandle); |
| this._hideAlertHandle = null; |
| } |
| }, |
| |
| _showAuthErrorAlert: function() { |
| if (this._alertElement) { return; } |
| |
| var el = this._createToastAlert(); |
| el.addEventListener('action', this._refreshPage.bind(this)); |
| el.show('Auth error', 'Refresh page'); |
| this._alertElement = el; |
| }, |
| |
| _createToastAlert: function() { |
| var el = document.createElement('gr-alert'); |
| el.toast = true; |
| return el; |
| }, |
| |
| _refreshPage: function() { |
| window.location.reload(); |
| }, |
| }); |
| })(); |