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/* global cordova:false */
/*!
* Module dependencies.
*/
var exec = cordova.require('cordova/exec');
/**
* PushNotification constructor.
*
* @param {Object} options to initiate Push Notifications.
* @return {PushNotification} instance that can be monitored and cancelled.
*/
var PushNotification = function(options) {
this._handlers = {
'registration': [],
'notification': [],
'error': []
};
// require options parameter
if (typeof options === 'undefined') {
throw new Error('The options argument is required.');
}
// store the options to this object instance
this.options = options;
// triggered on registration and notification
var that = this;
var success = function(result) {
if (result && typeof result.registrationId !== 'undefined') {
that.emit('registration', result);
} else if (result && typeof result.callback !== 'undefined') {
var executeFunctionByName = function(functionName, context /*, args */) {
var args = Array.prototype.slice.call(arguments, 2);
var namespaces = functionName.split(".");
var func = namespaces.pop();
for (var i = 0; i < namespaces.length; i++) {
context = context[namespaces[i]];
}
return context[func].apply(context, args);
}
executeFunctionByName(result.callback, window, result);
} else if (result) {
that.emit('notification', result);
}
};
// triggered on error
var fail = function(msg) {
var e = (typeof msg === 'string') ? new Error(msg) : msg;
that.emit('error', e);
};
// wait at least one process tick to allow event subscriptions
setTimeout(function() {
exec(success, fail, 'PushNotification', 'init', [options]);
}, 10);
};
/**
* Unregister from push notifications
*/
PushNotification.prototype.unregister = function(successCallback, errorCallback, options) {
if (errorCallback == null) { errorCallback = function() {}}
if (typeof errorCallback != "function") {
console.log("PushNotification.unregister failure: failure parameter not a function");
return
}
if (typeof successCallback != "function") {
console.log("PushNotification.unregister failure: success callback parameter must be a function");
return
}
exec(successCallback, errorCallback, "PushNotification", "unregister", [options]);
};
/**
* Call this to set the application icon badge
*/
PushNotification.prototype.setApplicationIconBadgeNumber = function(successCallback, errorCallback, badge) {
if (errorCallback == null) { errorCallback = function() {}}
if (typeof errorCallback != "function") {
console.log("PushNotification.setApplicationIconBadgeNumber failure: failure parameter not a function");
return
}
if (typeof successCallback != "function") {
console.log("PushNotification.setApplicationIconBadgeNumber failure: success callback parameter must be a function");
return
}
exec(successCallback, errorCallback, "PushNotification", "setApplicationIconBadgeNumber", [{badge: badge}]);
};
/**
* Listen for an event.
*
* The following events are supported:
*
* - registration
* - notification
* - error
*
* @param {String} eventName to subscribe to.
* @param {Function} callback triggered on the event.
*/
PushNotification.prototype.on = function(eventName, callback) {
if (this._handlers.hasOwnProperty(eventName)) {
this._handlers[eventName].push(callback);
}
};
/**
* Emit an event.
*
* This is intended for internal use only.
*
* @param {String} eventName is the event to trigger.
* @param {*} all arguments are passed to the event listeners.
*
* @return {Boolean} is true when the event is triggered otherwise false.
*/
PushNotification.prototype.emit = function() {
var args = Array.prototype.slice.call(arguments);
var eventName = args.shift();
if (!this._handlers.hasOwnProperty(eventName)) {
return false;
}
for (var i = 0, length = this._handlers[eventName].length; i < length; i++) {
this._handlers[eventName][i].apply(undefined,args);
}
return true;
};
/*!
* Push Notification Plugin.
*/
module.exports = {
/**
* Register for Push Notifications.
*
* This method will instantiate a new copy of the PushNotification object
* and start the registration process.
*
* @param {Object} options
* @return {PushNotification} instance
*/
init: function(options) {
return new PushNotification(options);
},
/**
* PushNotification Object.
*
* Expose the PushNotification object for direct use
* and testing. Typically, you should use the
* .init helper method.
*/
PushNotification: PushNotification
};
|
