The Tor Browser: toolkit/components/apppicker/content/appPicker.js@925c144e1f1f (annotated)

toolkit/components/apppicker/content/appPicker.js@925c144e1f1f (annotated)

toolkit/components/apppicker/content/appPicker.js

Fri, 16 Jan 2015 18:13:44 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Fri, 16 Jan 2015 18:13:44 +0100
branch: TOR_BUG_9701
changeset 14: 925c144e1f1f
permissions: -rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

 # -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 #
 # 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/.
 function AppPicker() {};
 var g_dialog = null;
 AppPicker.prototype =
 {
     // Class members
     _incomingParams:null,
     /**
     * Init the dialog and populate the application list
     */
     appPickerLoad: function appPickerLoad() {
         const nsILocalHandlerApp = Components.interfaces.nsILocalHandlerApp;
         this._incomingParams = window.arguments[0];
         this._incomingParams.handlerApp = null;
         document.title = this._incomingParams.title;
         // Header creation - at the very least, we must have
         // a mime type:
         //
         // (icon) Zip File
         // (icon) filename
         //
         // (icon) Web Feed
         // (icon) mime/type
         //
         // (icon) mime/type
         // (icon)
         var mimeInfo = this._incomingParams.mimeInfo;
         var filename = this._incomingParams.filename;
         if (!filename) {
           filename = mimeInfo.MIMEType;
         }
         var description = this._incomingParams.description;
         if (!description) {
           description = filename;
           filename = "";
         }
         // Setup the dialog header information
         document.getElementById("content-description").setAttribute("value",
           description);
         document.getElementById("suggested-filename").setAttribute("value",
           filename);
         document.getElementById("content-icon").setAttribute("src",
           "moz-icon://" + filename + "?size=32&contentType=" +
           mimeInfo.MIMEType);
         // Grab a list of nsILocalHandlerApp application helpers to list
         var fileList = mimeInfo.possibleLocalHandlers;
         var list = document.getElementById("app-picker-listbox");
         var primaryCount = 0;
         if (!fileList || fileList.length == 0) {
           // display a message saying nothing is configured
           document.getElementById("app-picker-notfound").removeAttribute("hidden");
           return;
         }
         for (var idx = 0; idx < fileList.length; idx++) {
           var file = fileList.queryElementAt(idx, nsILocalHandlerApp);
           try {
               if (!file.executable || !file.executable.isFile())
                 continue;
           } catch (err) {
             continue;
           }
           var item = document.createElement("listitem");
           item.className = "listitem-iconic";
           item.handlerApp = file;
           item.setAttribute("label", this.getFileDisplayName(file.executable));
           item.setAttribute("image", this.getFileIconURL(file.executable));
           list.appendChild(item);
           primaryCount++;
         }
         if ( primaryCount == 0 ) {
           // display a message saying nothing is configured
           document.getElementById("app-picker-notfound").removeAttribute("hidden");
         }
     },
     /**
     * Retrieve the moz-icon for the app
     */
     getFileIconURL: function getFileIconURL(file) {
       var ios = Components.classes["@mozilla.org/network/io-service;1"].
                 getService(Components.interfaces.nsIIOService);
       if (!ios) return "";
       const nsIFileProtocolHandler =
         Components.interfaces.nsIFileProtocolHandler;
       var fph = ios.getProtocolHandler("file")
                 .QueryInterface(nsIFileProtocolHandler);
       if (!fph) return "";
       var urlSpec = fph.getURLSpecFromFile(file);
       return "moz-icon://" + urlSpec + "?size=32";
     },
     /**
     * Retrieve the pretty description from the file
     */
     getFileDisplayName: function getFileDisplayName(file) {
 #ifdef XP_WIN
       if (file instanceof Components.interfaces.nsILocalFileWin) {
         try {
           return file.getVersionInfoField("FileDescription");
         } catch (e) {}
       }
 #endif
 #ifdef XP_MACOSX
       if (file instanceof Components.interfaces.nsILocalFileMac) {
         try {
           return file.bundleDisplayName;
         } catch (e) {}
       }
 #endif
       return file.leafName;
     },
     /**
     * Double click accepts an app
     */
     appDoubleClick: function appDoubleClick() {
       var list = document.getElementById("app-picker-listbox");
       var selItem = list.selectedItem;
       if (!selItem) {
           this._incomingParams.handlerApp = null;
           return true;
       }
       this._incomingParams.handlerApp = selItem.handlerApp;
       window.close();
       return true;
     },
     appPickerOK: function appPickerOK() {
       if (this._incomingParams.handlerApp) return true;
       var list = document.getElementById("app-picker-listbox");
       var selItem = list.selectedItem;
       if (!selItem) {
         this._incomingParams.handlerApp = null;
         return true;
       }
       this._incomingParams.handlerApp = selItem.handlerApp;
       return true;
     },
     appPickerCancel: function appPickerCancel() {
       this._incomingParams.handlerApp = null;
       return true;
     },
     /**
     * User browse for an app.
     */
     appPickerBrowse: function appPickerBrowse() {
       var nsIFilePicker = Components.interfaces.nsIFilePicker;
       var fp = Components.classes["@mozilla.org/filepicker;1"].
                createInstance(nsIFilePicker);
       fp.init(window, this._incomingParams.title, nsIFilePicker.modeOpen);
       fp.appendFilters(nsIFilePicker.filterApps);
       var fileLoc = Components.classes["@mozilla.org/file/directory_service;1"]
                             .getService(Components.interfaces.nsIProperties);
       var startLocation;
 #ifdef XP_WIN
     startLocation = "ProgF"; // Program Files
 #else
 #ifdef XP_MACOSX
     startLocation = "LocApp"; // Local Applications
 #else
     startLocation = "Home";
 #endif
 #endif
       fp.displayDirectory =
         fileLoc.get(startLocation, Components.interfaces.nsILocalFile);
       if (fp.show() == nsIFilePicker.returnOK && fp.file) {
           var localHandlerApp =
             Components.classes["@mozilla.org/uriloader/local-handler-app;1"].
             createInstance(Components.interfaces.nsILocalHandlerApp);
           localHandlerApp.executable = fp.file;
           this._incomingParams.handlerApp = localHandlerApp;
           window.close();
       }
       return true;
     }
 }
 // Global object
 var g_dialog = new AppPicker();