michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: "use strict"
michael@0: 
michael@0: let Cc = Components.classes;
michael@0: let Ci = Components.interfaces;
michael@0: 
michael@0: Components.utils.import("resource://gre/modules/Services.jsm");
michael@0: 
michael@0: this.EXPORTED_SYMBOLS = ["Notifications"];
michael@0: 
michael@0: function log(msg) {
michael@0:   // Services.console.logStringMessage(msg);
michael@0: }
michael@0: 
michael@0: var _notificationsMap = {};
michael@0: 
michael@0: function Notification(aId, aOptions) {
michael@0:   this._id = aId;
michael@0:   this._when = (new Date).getTime();
michael@0:   this.fillWithOptions(aOptions);
michael@0: }
michael@0: 
michael@0: Notification.prototype = {
michael@0:   fillWithOptions: function(aOptions) {
michael@0:     if ("icon" in aOptions && aOptions.icon != null)
michael@0:       this._icon = aOptions.icon;
michael@0:     else
michael@0:       throw "Notification icon is mandatory";
michael@0: 
michael@0:     if ("title" in aOptions && aOptions.title != null)
michael@0:       this._title = aOptions.title;
michael@0:     else
michael@0:       throw "Notification title is mandatory";
michael@0: 
michael@0:     if ("message" in aOptions && aOptions.message != null)
michael@0:       this._message = aOptions.message;
michael@0:     else
michael@0:       this._message = null;
michael@0: 
michael@0:     if ("priority" in aOptions && aOptions.priority != null)
michael@0:       this._priority = aOptions.priority;
michael@0: 
michael@0:     if ("buttons" in aOptions && aOptions.buttons != null) {
michael@0:       if (aOptions.buttons.length > 3)
michael@0:         throw "Too many buttons provided. The max number is 3";
michael@0: 
michael@0:       this._buttons = {};
michael@0:       for (let i = 0; i < aOptions.buttons.length; i++) {
michael@0:         let button_id = aOptions.buttons[i].buttonId;
michael@0:         this._buttons[button_id] = aOptions.buttons[i];
michael@0:       }
michael@0:     } else {
michael@0:       this._buttons = null;
michael@0:     }
michael@0: 
michael@0:     if ("ongoing" in aOptions && aOptions.ongoing != null)
michael@0:       this._ongoing = aOptions.ongoing;
michael@0:     else
michael@0:       this._ongoing = false;
michael@0: 
michael@0:     if ("progress" in aOptions && aOptions.progress != null)
michael@0:       this._progress = aOptions.progress;
michael@0:     else
michael@0:       this._progress = null;
michael@0: 
michael@0:     if ("onCancel" in aOptions && aOptions.onCancel != null)
michael@0:       this._onCancel = aOptions.onCancel;
michael@0:     else
michael@0:       this._onCancel = null;
michael@0: 
michael@0:     if ("onClick" in aOptions && aOptions.onClick != null)
michael@0:       this._onClick = aOptions.onClick;
michael@0:     else
michael@0:       this._onClick = null;
michael@0: 
michael@0:     if ("cookie" in aOptions && aOptions.cookie != null)
michael@0:       this._cookie = aOptions.cookie;
michael@0:     else
michael@0:       this._cookie = null;
michael@0: 
michael@0:     if ("persistent" in aOptions && aOptions.persistent != null)
michael@0:       this._persistent = aOptions.persistent;
michael@0:     else
michael@0:       this._persistent = false;
michael@0:   },
michael@0: 
michael@0:   show: function() {
michael@0:     let msg = {
michael@0:         type: "Notification:Show",
michael@0:         id: this._id,
michael@0:         title: this._title,
michael@0:         smallIcon: this._icon,
michael@0:         ongoing: this._ongoing,
michael@0:         when: this._when,
michael@0:         persistent: this._persistent
michael@0:     };
michael@0: 
michael@0:     if (this._message)
michael@0:       msg.text = this._message;
michael@0: 
michael@0:     if (this._progress) {
michael@0:       msg.progress_value = this._progress;
michael@0:       msg.progress_max = 100;
michael@0:       msg.progress_indeterminate = false;
michael@0:     } else if (Number.isNaN(this._progress)) {
michael@0:       msg.progress_value = 0;
michael@0:       msg.progress_max = 0;
michael@0:       msg.progress_indeterminate = true;
michael@0:     }
michael@0: 
michael@0:     if (this._priority)
michael@0:       msg.priority = this._priority;
michael@0: 
michael@0:     if (this._buttons) {
michael@0:       msg.actions = [];
michael@0:       let buttonName;
michael@0:       for (buttonName in this._buttons) {
michael@0:         let button = this._buttons[buttonName];
michael@0:         let obj = {
michael@0:           buttonId: button.buttonId,
michael@0:           title : button.title,
michael@0:           icon : button.icon
michael@0:         };
michael@0:         msg.actions.push(obj);
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     if (this._light)
michael@0:       msg.light = this._light;
michael@0: 
michael@0:     Services.androidBridge.handleGeckoMessage(msg);
michael@0:     return this;
michael@0:   },
michael@0: 
michael@0:   cancel: function() {
michael@0:     let msg = {
michael@0:         type: "Notification:Hide",
michael@0:         id: this._id
michael@0:     };
michael@0:     Services.androidBridge.handleGeckoMessage(msg);
michael@0:   }
michael@0: }
michael@0: 
michael@0: var Notifications = {
michael@0:   _initObserver: function() {
michael@0:     if (!this._observerAdded) {
michael@0:       Services.obs.addObserver(this, "Notification:Event", true);
michael@0:       this._observerAdded = true;
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   get idService() {
michael@0:     delete this.idService;
michael@0:     return this.idService = Cc["@mozilla.org/uuid-generator;1"].getService(Ci.nsIUUIDGenerator);
michael@0:   },
michael@0: 
michael@0:   create: function notif_notify(aOptions) {
michael@0:     this._initObserver();
michael@0:     let id = this.idService.generateUUID().toString();
michael@0:     let notification = new Notification(id, aOptions);
michael@0:     _notificationsMap[id] = notification;
michael@0:     notification.show();
michael@0:     return id;
michael@0:   },
michael@0: 
michael@0:   update: function notif_update(aId, aOptions) {
michael@0:     let notification = _notificationsMap[aId];
michael@0:     if (!notification)
michael@0:       throw "Unknown notification id";
michael@0:     notification.fillWithOptions(aOptions);
michael@0:     notification.show();
michael@0:   },
michael@0: 
michael@0:   cancel: function notif_cancel(aId) {
michael@0:     let notification = _notificationsMap[aId];
michael@0:     if (notification)
michael@0:       notification.cancel();
michael@0:   },
michael@0: 
michael@0:   observe: function notif_observe(aSubject, aTopic, aData) {
michael@0:     let data = JSON.parse(aData);
michael@0:     let id = data.id;
michael@0:     let notification = _notificationsMap[id];
michael@0:     if (!notification) {
michael@0:       Services.console.logStringMessage("Notifications.jsm observe: received unknown event id " + id);
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     switch (data.eventType) {
michael@0:       case "notification-clicked":
michael@0:         if (notification._onClick)
michael@0:           notification._onClick(id, notification._cookie);
michael@0:         break;
michael@0:       case "notification-button-clicked": {
michael@0:         if (!notification._buttons) {
michael@0:           Services.console.logStringMessage("Notifications.jsm: received button clicked event but no buttons are available");
michael@0:           break;
michael@0:         }
michael@0: 
michael@0:         let button = notification._buttons[data.buttonId];
michael@0:         if (button)
michael@0:           button.onClicked(id, notification._cookie);
michael@0:         }
michael@0:         break;
michael@0:       case "notification-cleared":
michael@0:       case "notification-closed":
michael@0:         if (notification._onCancel)
michael@0:           notification._onCancel(id, notification._cookie);
michael@0:         delete _notificationsMap[id]; // since the notification was dismissed, we no longer need to hold a reference.
michael@0:         break;
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   QueryInterface: function (aIID) {
michael@0:     if (!aIID.equals(Ci.nsISupports) &&
michael@0:         !aIID.equals(Ci.nsIObserver) &&
michael@0:         !aIID.equals(Ci.nsISupportsWeakReference))
michael@0:       throw Components.results.NS_ERROR_NO_INTERFACE;
michael@0:     return this;
michael@0:   }
michael@0: }