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305 lines
11 KiB
JavaScript
305 lines
11 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Protocol Handler Dialog.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Shawn Wilsher <me@shawnwilsher.com> (original author)
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* Dan Mosedale <dmose@mozilla.org>
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* Florian Queze <florian@queze.net>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/**
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* This dialog builds its content based on arguments passed into it.
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* window.arguments[0]:
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* The title of the dialog.
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* window.arguments[1]:
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* The url of the image that appears to the left of the description text
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* window.arguments[2]:
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* The text of the description that will appear above the choices the user
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* can choose from.
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* window.arguments[3]:
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* The text of the label directly above the choices the user can choose from.
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* window.arguments[4]:
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* This is the text to be placed in the label for the checkbox. If no text is
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* passed (ie, it's an empty string), the checkbox will be hidden.
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* window.arguments[5]:
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* The accesskey for the checkbox
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* window.arguments[6]:
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* This is the text that is displayed below the checkbox when it is checked.
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* window.arguments[7]:
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* This is the nsIHandlerInfo that gives us all our precious information.
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* window.arguments[8]:
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* This is the nsIURI that we are being brought up for in the first place.
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* window.arguments[9]:
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* The nsIInterfaceRequestor of the parent window; may be null
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*/
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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var dialog = {
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//////////////////////////////////////////////////////////////////////////////
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//// Member Variables
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_handlerInfo: null,
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_URI: null,
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_itemChoose: null,
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_okButton: null,
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_windowCtxt: null,
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//////////////////////////////////////////////////////////////////////////////
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//// Methods
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/**
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* This function initializes the content of the dialog.
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*/
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initialize: function initialize()
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{
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this._handlerInfo = window.arguments[7].QueryInterface(Ci.nsIHandlerInfo);
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this._URI = window.arguments[8].QueryInterface(Ci.nsIURI);
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this._windowCtxt = window.arguments[9];
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if (this._windowCtxt)
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this._windowCtxt.QueryInterface(Ci.nsIInterfaceRequestor);
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this._itemChoose = document.getElementById("item-choose");
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this._okButton = document.documentElement.getButton("accept");
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this.updateOKButton();
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var description = {
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image: document.getElementById("description-image"),
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text: document.getElementById("description-text")
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};
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var options = document.getElementById("item-action-text");
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var checkbox = {
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desc: document.getElementById("remember"),
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text: document.getElementById("remember-text")
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};
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// Setting values
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document.title = window.arguments[0];
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description.image.src = window.arguments[1];
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description.text.textContent = window.arguments[2];
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options.value = window.arguments[3];
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checkbox.desc.label = window.arguments[4];
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checkbox.desc.accessKey = window.arguments[5];
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checkbox.text.textContent = window.arguments[6];
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// Hide stuff that needs to be hidden
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if (!checkbox.desc.label)
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checkbox.desc.hidden = true;
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// UI is ready, lets populate our list
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this.populateList();
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},
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/**
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* Populates the list that a user can choose from.
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*/
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populateList: function populateList()
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{
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var items = document.getElementById("items");
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var possibleHandlers = this._handlerInfo.possibleApplicationHandlers;
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var preferredHandler = this._handlerInfo.preferredApplicationHandler;
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var ios = Cc["@mozilla.org/network/io-service;1"].
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getService(Ci.nsIIOService);
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for (let i = possibleHandlers.length - 1; i >= 0; --i) {
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let app = possibleHandlers.queryElementAt(i, Ci.nsIHandlerApp);
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let elm = document.createElement("richlistitem");
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elm.setAttribute("type", "handler");
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elm.setAttribute("name", app.name);
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elm.obj = app;
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if (app instanceof Ci.nsILocalHandlerApp) {
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// See if we have an nsILocalHandlerApp and set the icon
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let uri = ios.newFileURI(app.executable);
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elm.setAttribute("image", "moz-icon://" + uri.spec + "?size=32");
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}
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else if (app instanceof Ci.nsIWebHandlerApp) {
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let uri = ios.newURI(app.uriTemplate, null, null);
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if (/^https?/.test(uri.scheme)) {
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let iconURI;
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try {
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iconURI = Cc["@mozilla.org/browser/favicon-service;1"].
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getService(Ci.nsIFaviconService).
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getFaviconForPage(ios.newURI(uri.prePath, null, null)).
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spec;
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}
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catch (e) {
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iconURI = uri.prePath + "/favicon.ico";
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}
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elm.setAttribute("image", iconURI);
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}
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elm.setAttribute("description", uri.prePath);
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}
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else if (app instanceof Ci.nsIDBusHandlerApp){
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elm.setAttribute("description", app.method);
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}
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else
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throw "unknown handler type";
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items.insertBefore(elm, this._itemChoose);
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if (preferredHandler && app == preferredHandler)
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this.selectedItem = elm;
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}
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if (this._handlerInfo.hasDefaultHandler) {
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let elm = document.createElement("richlistitem");
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elm.setAttribute("type", "handler");
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elm.id = "os-default-handler";
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elm.setAttribute("name", this._handlerInfo.defaultDescription);
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items.insertBefore(elm, items.firstChild);
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if (this._handlerInfo.preferredAction ==
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Ci.nsIHandlerInfo.useSystemDefault)
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this.selectedItem = elm;
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}
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items.ensureSelectedElementIsVisible();
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},
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/**
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* Brings up a filepicker and allows a user to choose an application.
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*/
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chooseApplication: function chooseApplication()
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{
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var bundle = document.getElementById("base-strings");
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var title = bundle.getString("choose.application.title");
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var fp = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
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fp.init(window, title, Ci.nsIFilePicker.modeOpen);
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fp.appendFilters(Ci.nsIFilePicker.filterApps);
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if (fp.show() == Ci.nsIFilePicker.returnOK && fp.file) {
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let uri = Cc["@mozilla.org/network/util;1"].
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getService(Ci.nsIIOService).
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newFileURI(fp.file);
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let handlerApp = Cc["@mozilla.org/uriloader/local-handler-app;1"].
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createInstance(Ci.nsILocalHandlerApp);
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handlerApp.executable = fp.file;
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// if this application is already in the list, select it and don't add it again
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let parent = document.getElementById("items");
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for (let i = 0; i < parent.childNodes.length; ++i) {
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let elm = parent.childNodes[i];
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if (elm.obj instanceof Ci.nsILocalHandlerApp && elm.obj.equals(handlerApp)) {
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parent.selectedItem = elm;
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parent.ensureSelectedElementIsVisible();
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return;
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}
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}
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let elm = document.createElement("richlistitem");
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elm.setAttribute("type", "handler");
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elm.setAttribute("name", fp.file.leafName);
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elm.setAttribute("image", "moz-icon://" + uri.spec + "?size=32");
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elm.obj = handlerApp;
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parent.selectedItem = parent.insertBefore(elm, parent.firstChild);
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parent.ensureSelectedElementIsVisible();
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}
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},
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/**
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* Function called when the OK button is pressed.
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*/
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onAccept: function onAccept()
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{
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var checkbox = document.getElementById("remember");
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if (!checkbox.hidden) {
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// We need to make sure that the default is properly set now
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if (this.selectedItem.obj) {
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// default OS handler doesn't have this property
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this._handlerInfo.preferredAction = Ci.nsIHandlerInfo.useHelperApp;
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this._handlerInfo.preferredApplicationHandler = this.selectedItem.obj;
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}
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else
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this._handlerInfo.preferredAction = Ci.nsIHandlerInfo.useSystemDefault;
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}
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this._handlerInfo.alwaysAskBeforeHandling = !checkbox.checked;
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var hs = Cc["@mozilla.org/uriloader/handler-service;1"].
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getService(Ci.nsIHandlerService);
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hs.store(this._handlerInfo);
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this._handlerInfo.launchWithURI(this._URI, this._windowCtxt);
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return true;
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},
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/**
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* Determines if the OK button should be disabled or not
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*/
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updateOKButton: function updateOKButton()
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{
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this._okButton.disabled = this._itemChoose.selected;
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},
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/**
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* Updates the UI based on the checkbox being checked or not.
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*/
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onCheck: function onCheck()
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{
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if (document.getElementById("remember").checked)
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document.getElementById("remember-text").setAttribute("visible", "true");
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else
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document.getElementById("remember-text").removeAttribute("visible");
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},
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/**
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* Function called when the user double clicks on an item of the list
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*/
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onDblClick: function onDblClick()
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{
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if (this.selectedItem == this._itemChoose)
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this.chooseApplication();
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else
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document.documentElement.acceptDialog();
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},
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/////////////////////////////////////////////////////////////////////////////
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//// Getters / Setters
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/**
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* Returns/sets the selected element in the richlistbox
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*/
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get selectedItem()
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{
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return document.getElementById("items").selectedItem;
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},
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set selectedItem(aItem)
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{
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return document.getElementById("items").selectedItem = aItem;
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}
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};
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