1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/b2g/components/ActivitiesGlue.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,74 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +"use strict"
1.9 +
1.10 +const Cc = Components.classes;
1.11 +const Ci = Components.interfaces;
1.12 +const Cu = Components.utils;
1.13 +
1.14 +Cu.import("resource://gre/modules/XPCOMUtils.jsm");
1.15 +Cu.import("resource://gre/modules/Services.jsm");
1.16 +
1.17 +XPCOMUtils.defineLazyModuleGetter(this, "SystemAppProxy",
1.18 + "resource://gre/modules/SystemAppProxy.jsm");
1.19 +
1.20 +function ActivitiesDialog() {
1.21 + this._id = 0;
1.22 +
1.23 + this.activities = [];
1.24 +}
1.25 +
1.26 +ActivitiesDialog.prototype = {
1.27 + run: function ap_run() {
1.28 + let id = "activity-choice" + this._id++;
1.29 + let activity = this.activities.shift();
1.30 +
1.31 + let choices = [];
1.32 + activity.list.forEach(function(item) {
1.33 + choices.push({ manifest: item.manifest, icon: item.icon });
1.34 + });
1.35 +
1.36 +
1.37 + // Keep up the frond-end of an activity choice. The messages contains
1.38 + // a list of {names, icons} for applications able to handle this particular
1.39 + // activity. The front-end should display a UI to pick one.
1.40 + let detail = {
1.41 + type: "activity-choice",
1.42 + id: id,
1.43 + name: activity.name,
1.44 + choices: choices
1.45 + };
1.46 +
1.47 + // Listen the resulting choice from the front-end. If there is no choice,
1.48 + // let's return -1, which means the user has cancelled the dialog.
1.49 + SystemAppProxy.addEventListener("mozContentEvent", function act_getChoice(evt) {
1.50 + if (evt.detail.id != id)
1.51 + return;
1.52 +
1.53 + SystemAppProxy.removeEventListener("mozContentEvent", act_getChoice);
1.54 + activity.callback.handleEvent(evt.detail.value !== undefined
1.55 + ? evt.detail.value
1.56 + : -1);
1.57 + });
1.58 +
1.59 + SystemAppProxy.dispatchEvent(detail);
1.60 + },
1.61 +
1.62 + chooseActivity: function ap_chooseActivity(aName, aActivities, aCallback) {
1.63 + this.activities.push({
1.64 + name: aName,
1.65 + list: aActivities,
1.66 + callback: aCallback
1.67 + });
1.68 + Services.tm.currentThread.dispatch(this, Ci.nsIEventTarget.DISPATCH_NORMAL);
1.69 + },
1.70 +
1.71 + classID: Components.ID("{70a83123-7467-4389-a309-3e81c74ad002}"),
1.72 +
1.73 + QueryInterface: XPCOMUtils.generateQI([Ci.nsIActivityUIGlue, Ci.nsIRunnable])
1.74 +}
1.75 +
1.76 +this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ActivitiesDialog]);
1.77 +
