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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict"
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "SystemAppProxy",
"resource://gre/modules/SystemAppProxy.jsm");
function ActivitiesDialog() {
this._id = 0;
this.activities = [];
}
ActivitiesDialog.prototype = {
run: function ap_run() {
let id = "activity-choice" + this._id++;
let activity = this.activities.shift();
let choices = [];
activity.list.forEach(function(item) {
choices.push({ manifest: item.manifest, icon: item.icon });
});
// Keep up the frond-end of an activity choice. The messages contains
// a list of {names, icons} for applications able to handle this particular
// activity. The front-end should display a UI to pick one.
let detail = {
type: "activity-choice",
id: id,
name: activity.name,
choices: choices
};
if (activity.type) {
detail.activityType = activity.type;
}
// Listen the resulting choice from the front-end. If there is no choice,
// let's return -1, which means the user has cancelled the dialog.
SystemAppProxy.addEventListener("mozContentEvent", function act_getChoice(evt) {
if (evt.detail.id != id)
return;
SystemAppProxy.removeEventListener("mozContentEvent", act_getChoice);
activity.callback.handleEvent(Ci.nsIActivityUIGlueCallback.WEBAPPS_ACTIVITY,
evt.detail.value !== undefined
? evt.detail.value
: -1);
});
SystemAppProxy.dispatchEvent(detail);
},
chooseActivity: function ap_chooseActivity(aOptions, aActivities, aCallback) {
// B2G does not have an alternate activity system, make no choice and return.
if (aActivities.length === 0) {
aCallback.handleEvent(Ci.nsIActivityUIGlueCallback.WEBAPPS_ACTIVITY, -1);
return;
}
let activity = {
name: aOptions.name,
list: aActivities,
callback: aCallback
};
if (aOptions.data && aOptions.data.type) {
activity.type = aOptions.data.type;
}
this.activities.push(activity);
Services.tm.currentThread.dispatch(this, Ci.nsIEventTarget.DISPATCH_NORMAL);
},
classID: Components.ID("{3a54788b-48cc-4ab4-93d6-0d6a8ef74f8e}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIActivityUIGlue, Ci.nsIRunnable])
}
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ActivitiesDialog]);
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