b2g/components/ActivitiesGlue.js

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 "use strict"
michael@0 6
michael@0 7 const Cc = Components.classes;
michael@0 8 const Ci = Components.interfaces;
michael@0 9 const Cu = Components.utils;
michael@0 10
michael@0 11 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0 12 Cu.import("resource://gre/modules/Services.jsm");
michael@0 13
michael@0 14 XPCOMUtils.defineLazyModuleGetter(this, "SystemAppProxy",
michael@0 15 "resource://gre/modules/SystemAppProxy.jsm");
michael@0 16
michael@0 17 function ActivitiesDialog() {
michael@0 18 this._id = 0;
michael@0 19
michael@0 20 this.activities = [];
michael@0 21 }
michael@0 22
michael@0 23 ActivitiesDialog.prototype = {
michael@0 24 run: function ap_run() {
michael@0 25 let id = "activity-choice" + this._id++;
michael@0 26 let activity = this.activities.shift();
michael@0 27
michael@0 28 let choices = [];
michael@0 29 activity.list.forEach(function(item) {
michael@0 30 choices.push({ manifest: item.manifest, icon: item.icon });
michael@0 31 });
michael@0 32
michael@0 33
michael@0 34 // Keep up the frond-end of an activity choice. The messages contains
michael@0 35 // a list of {names, icons} for applications able to handle this particular
michael@0 36 // activity. The front-end should display a UI to pick one.
michael@0 37 let detail = {
michael@0 38 type: "activity-choice",
michael@0 39 id: id,
michael@0 40 name: activity.name,
michael@0 41 choices: choices
michael@0 42 };
michael@0 43
michael@0 44 // Listen the resulting choice from the front-end. If there is no choice,
michael@0 45 // let's return -1, which means the user has cancelled the dialog.
michael@0 46 SystemAppProxy.addEventListener("mozContentEvent", function act_getChoice(evt) {
michael@0 47 if (evt.detail.id != id)
michael@0 48 return;
michael@0 49
michael@0 50 SystemAppProxy.removeEventListener("mozContentEvent", act_getChoice);
michael@0 51 activity.callback.handleEvent(evt.detail.value !== undefined
michael@0 52 ? evt.detail.value
michael@0 53 : -1);
michael@0 54 });
michael@0 55
michael@0 56 SystemAppProxy.dispatchEvent(detail);
michael@0 57 },
michael@0 58
michael@0 59 chooseActivity: function ap_chooseActivity(aName, aActivities, aCallback) {
michael@0 60 this.activities.push({
michael@0 61 name: aName,
michael@0 62 list: aActivities,
michael@0 63 callback: aCallback
michael@0 64 });
michael@0 65 Services.tm.currentThread.dispatch(this, Ci.nsIEventTarget.DISPATCH_NORMAL);
michael@0 66 },
michael@0 67
michael@0 68 classID: Components.ID("{70a83123-7467-4389-a309-3e81c74ad002}"),
michael@0 69
michael@0 70 QueryInterface: XPCOMUtils.generateQI([Ci.nsIActivityUIGlue, Ci.nsIRunnable])
michael@0 71 }
michael@0 72
michael@0 73 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ActivitiesDialog]);
michael@0 74

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