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- /*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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.
- *
- */
-
- // The last resume event that was received that had the result of a plugin call.
- var lastResumeEvent = null;
-
- module.exports = {
- id: 'android',
- bootstrap: function() {
- var channel = require('cordova/channel'),
- cordova = require('cordova'),
- exec = require('cordova/exec'),
- modulemapper = require('cordova/modulemapper');
-
- // Get the shared secret needed to use the bridge.
- exec.init();
-
- // TODO: Extract this as a proper plugin.
- modulemapper.clobbers('cordova/plugin/android/app', 'navigator.app');
-
- var APP_PLUGIN_NAME = Number(cordova.platformVersion.split('.')[0]) >= 4 ? 'CoreAndroid' : 'App';
-
- // Inject a listener for the backbutton on the document.
- var backButtonChannel = cordova.addDocumentEventHandler('backbutton');
- backButtonChannel.onHasSubscribersChange = function() {
- // If we just attached the first handler or detached the last handler,
- // let native know we need to override the back button.
- exec(null, null, APP_PLUGIN_NAME, "overrideBackbutton", [this.numHandlers == 1]);
- };
-
- // Add hardware MENU and SEARCH button handlers
- cordova.addDocumentEventHandler('menubutton');
- cordova.addDocumentEventHandler('searchbutton');
-
- function bindButtonChannel(buttonName) {
- // generic button bind used for volumeup/volumedown buttons
- var volumeButtonChannel = cordova.addDocumentEventHandler(buttonName + 'button');
- volumeButtonChannel.onHasSubscribersChange = function() {
- exec(null, null, APP_PLUGIN_NAME, "overrideButton", [buttonName, this.numHandlers == 1]);
- };
- }
- // Inject a listener for the volume buttons on the document.
- bindButtonChannel('volumeup');
- bindButtonChannel('volumedown');
-
- // The resume event is not "sticky", but it is possible that the event
- // will contain the result of a plugin call. We need to ensure that the
- // plugin result is delivered even after the event is fired (CB-10498)
- var cordovaAddEventListener = document.addEventListener;
-
- document.addEventListener = function(evt, handler, capture) {
- cordovaAddEventListener(evt, handler, capture);
-
- if (evt === 'resume' && lastResumeEvent) {
- handler(lastResumeEvent);
- }
- };
-
- // Let native code know we are all done on the JS side.
- // Native code will then un-hide the WebView.
- channel.onCordovaReady.subscribe(function() {
- exec(onMessageFromNative, null, APP_PLUGIN_NAME, 'messageChannel', []);
- exec(null, null, APP_PLUGIN_NAME, "show", []);
- });
- }
- };
-
- function onMessageFromNative(msg) {
- var cordova = require('cordova');
- var action = msg.action;
-
- switch (action)
- {
- // Button events
- case 'backbutton':
- case 'menubutton':
- case 'searchbutton':
- // App life cycle events
- case 'pause':
- // Volume events
- case 'volumedownbutton':
- case 'volumeupbutton':
- cordova.fireDocumentEvent(action);
- break;
- case 'resume':
- if(arguments.length > 1 && msg.pendingResult) {
- if(arguments.length === 2) {
- msg.pendingResult.result = arguments[1];
- } else {
- // The plugin returned a multipart message
- var res = [];
- for(var i = 1; i < arguments.length; i++) {
- res.push(arguments[i]);
- }
- msg.pendingResult.result = res;
- }
-
- // Save the plugin result so that it can be delivered to the js
- // even if they miss the initial firing of the event
- lastResumeEvent = msg;
- }
- cordova.fireDocumentEvent(action, msg);
- break;
- default:
- throw new Error('Unknown event action ' + action);
- }
- }
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