mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-30 13:45:27 +00:00
114 lines
3.1 KiB
JavaScript
114 lines
3.1 KiB
JavaScript
/* 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 { classes: Cc, interfaces: Ci, utils: Cu } = Components;
|
|
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
|
|
Cu.import("resource://gre/modules/Services.jsm");
|
|
Cu.import("resource://gre/modules/Messaging.jsm");
|
|
|
|
XPCOMUtils.defineLazyServiceGetter(this, "uuidgen",
|
|
"@mozilla.org/uuid-generator;1",
|
|
"nsIUUIDGenerator");
|
|
|
|
this.EXPORTED_SYMBOLS = ["PageActions"];
|
|
|
|
// Copied from browser.js
|
|
// TODO: We should move this method to a common importable location
|
|
function resolveGeckoURI(aURI) {
|
|
if (!aURI)
|
|
throw "Can't resolve an empty uri";
|
|
|
|
if (aURI.startsWith("chrome://")) {
|
|
let registry = Cc['@mozilla.org/chrome/chrome-registry;1'].getService(Ci["nsIChromeRegistry"]);
|
|
return registry.convertChromeURL(Services.io.newURI(aURI)).spec;
|
|
} else if (aURI.startsWith("resource://")) {
|
|
let handler = Services.io.getProtocolHandler("resource").QueryInterface(Ci.nsIResProtocolHandler);
|
|
return handler.resolveURI(Services.io.newURI(aURI));
|
|
}
|
|
return aURI;
|
|
}
|
|
|
|
var PageActions = {
|
|
_items: { },
|
|
|
|
_inited: false,
|
|
|
|
_maybeInit: function() {
|
|
if (!this._inited && Object.keys(this._items).length > 0) {
|
|
this._inited = true;
|
|
Services.obs.addObserver(this, "PageActions:Clicked", false);
|
|
Services.obs.addObserver(this, "PageActions:LongClicked", false);
|
|
}
|
|
},
|
|
|
|
_maybeUninit: function() {
|
|
if (this._inited && Object.keys(this._items).length == 0) {
|
|
this._inited = false;
|
|
Services.obs.removeObserver(this, "PageActions:Clicked");
|
|
Services.obs.removeObserver(this, "PageActions:LongClicked");
|
|
}
|
|
},
|
|
|
|
observe: function(aSubject, aTopic, aData) {
|
|
let item = this._items[aData];
|
|
if (aTopic == "PageActions:Clicked") {
|
|
if (item.clickCallback) {
|
|
item.clickCallback();
|
|
}
|
|
} else if (aTopic == "PageActions:LongClicked") {
|
|
if (item.longClickCallback) {
|
|
item.longClickCallback();
|
|
}
|
|
}
|
|
},
|
|
|
|
isShown: function(id) {
|
|
return !!this._items[id];
|
|
},
|
|
|
|
synthesizeClick: function(id) {
|
|
let item = this._items[id];
|
|
if (item && item.clickCallback) {
|
|
item.clickCallback();
|
|
}
|
|
},
|
|
|
|
add: function(aOptions) {
|
|
let id = aOptions.id || uuidgen.generateUUID().toString()
|
|
|
|
Messaging.sendRequest({
|
|
type: "PageActions:Add",
|
|
id: id,
|
|
title: aOptions.title,
|
|
icon: resolveGeckoURI(aOptions.icon),
|
|
important: "important" in aOptions ? aOptions.important : false
|
|
});
|
|
|
|
this._items[id] = {};
|
|
|
|
if (aOptions.clickCallback) {
|
|
this._items[id].clickCallback = aOptions.clickCallback;
|
|
}
|
|
|
|
if (aOptions.longClickCallback) {
|
|
this._items[id].longClickCallback = aOptions.longClickCallback;
|
|
}
|
|
|
|
this._maybeInit();
|
|
return id;
|
|
},
|
|
|
|
remove: function(id) {
|
|
Messaging.sendRequest({
|
|
type: "PageActions:Remove",
|
|
id: id
|
|
});
|
|
|
|
delete this._items[id];
|
|
this._maybeUninit();
|
|
}
|
|
}
|