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