michael@0: # -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0: #
michael@0: # This Source Code Form is subject to the terms of the Mozilla Public
michael@0: # License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0: # file, You can obtain one at http://mozilla.org/MPL/2.0/.
michael@0: 
michael@0: function AppPicker() {};
michael@0: 
michael@0: var g_dialog = null;
michael@0: 
michael@0: AppPicker.prototype = 
michael@0: {
michael@0:     // Class members
michael@0:     _incomingParams:null,
michael@0: 
michael@0:     /** 
michael@0:     * Init the dialog and populate the application list
michael@0:     */ 
michael@0:     appPickerLoad: function appPickerLoad() {
michael@0:         const nsILocalHandlerApp = Components.interfaces.nsILocalHandlerApp;
michael@0: 
michael@0:         this._incomingParams = window.arguments[0];
michael@0:         this._incomingParams.handlerApp = null;
michael@0: 
michael@0:         document.title = this._incomingParams.title;
michael@0: 
michael@0:         // Header creation - at the very least, we must have 
michael@0:         // a mime type:
michael@0:         //        
michael@0:         // (icon) Zip File
michael@0:         // (icon) filename
michael@0:         //
michael@0:         // (icon) Web Feed
michael@0:         // (icon) mime/type
michael@0:         //
michael@0:         // (icon) mime/type
michael@0:         // (icon)
michael@0: 
michael@0:         var mimeInfo = this._incomingParams.mimeInfo;
michael@0:         var filename = this._incomingParams.filename;
michael@0:         if (!filename) {
michael@0:           filename = mimeInfo.MIMEType;
michael@0:         }
michael@0:         var description = this._incomingParams.description;
michael@0:         if (!description) {
michael@0:           description = filename;
michael@0:           filename = "";
michael@0:         }
michael@0:         
michael@0:         // Setup the dialog header information
michael@0:         document.getElementById("content-description").setAttribute("value", 
michael@0:           description);
michael@0:         document.getElementById("suggested-filename").setAttribute("value",
michael@0:           filename);
michael@0:         document.getElementById("content-icon").setAttribute("src",
michael@0:           "moz-icon://" + filename + "?size=32&contentType=" +
michael@0:           mimeInfo.MIMEType);
michael@0: 
michael@0:         // Grab a list of nsILocalHandlerApp application helpers to list
michael@0:         var fileList = mimeInfo.possibleLocalHandlers;
michael@0: 
michael@0:         var list = document.getElementById("app-picker-listbox");
michael@0: 
michael@0:         var primaryCount = 0;
michael@0:         
michael@0:         if (!fileList || fileList.length == 0) {
michael@0:           // display a message saying nothing is configured
michael@0:           document.getElementById("app-picker-notfound").removeAttribute("hidden");
michael@0:           return;
michael@0:         }
michael@0:         
michael@0:         for (var idx = 0; idx < fileList.length; idx++) {
michael@0:           var file = fileList.queryElementAt(idx, nsILocalHandlerApp);
michael@0:           try {
michael@0:               if (!file.executable || !file.executable.isFile())
michael@0:                 continue;
michael@0:           } catch (err) {
michael@0:             continue;
michael@0:           }
michael@0: 
michael@0:           var item = document.createElement("listitem");
michael@0:           item.className = "listitem-iconic";
michael@0:           item.handlerApp = file;
michael@0:           item.setAttribute("label", this.getFileDisplayName(file.executable));
michael@0:           item.setAttribute("image", this.getFileIconURL(file.executable));
michael@0:           list.appendChild(item);
michael@0: 
michael@0:           primaryCount++;
michael@0:         }
michael@0: 
michael@0:         if ( primaryCount == 0 ) {
michael@0:           // display a message saying nothing is configured
michael@0:           document.getElementById("app-picker-notfound").removeAttribute("hidden");
michael@0:         }
michael@0:     },
michael@0: 
michael@0:     /** 
michael@0:     * Retrieve the moz-icon for the app
michael@0:     */ 
michael@0:     getFileIconURL: function getFileIconURL(file) {
michael@0:       var ios = Components.classes["@mozilla.org/network/io-service;1"].
michael@0:                 getService(Components.interfaces.nsIIOService);
michael@0: 
michael@0:       if (!ios) return "";
michael@0:       const nsIFileProtocolHandler =
michael@0:         Components.interfaces.nsIFileProtocolHandler;
michael@0: 
michael@0:       var fph = ios.getProtocolHandler("file")
michael@0:                 .QueryInterface(nsIFileProtocolHandler);
michael@0:       if (!fph) return "";
michael@0: 
michael@0:       var urlSpec = fph.getURLSpecFromFile(file);
michael@0:       return "moz-icon://" + urlSpec + "?size=32";
michael@0:     },
michael@0: 
michael@0:     /** 
michael@0:     * Retrieve the pretty description from the file
michael@0:     */ 
michael@0:     getFileDisplayName: function getFileDisplayName(file) {
michael@0: #ifdef XP_WIN
michael@0:       if (file instanceof Components.interfaces.nsILocalFileWin) {
michael@0:         try {
michael@0:           return file.getVersionInfoField("FileDescription");
michael@0:         } catch (e) {}
michael@0:       }
michael@0: #endif
michael@0: #ifdef XP_MACOSX
michael@0:       if (file instanceof Components.interfaces.nsILocalFileMac) {
michael@0:         try {
michael@0:           return file.bundleDisplayName;
michael@0:         } catch (e) {}
michael@0:       }
michael@0: #endif
michael@0:       return file.leafName;
michael@0:     },
michael@0: 
michael@0:     /**
michael@0:     * Double click accepts an app
michael@0:     */
michael@0:     appDoubleClick: function appDoubleClick() {
michael@0:       var list = document.getElementById("app-picker-listbox");
michael@0:       var selItem = list.selectedItem;
michael@0: 
michael@0:       if (!selItem) {
michael@0:           this._incomingParams.handlerApp = null;
michael@0:           return true;
michael@0:       }
michael@0: 
michael@0:       this._incomingParams.handlerApp = selItem.handlerApp;
michael@0:       window.close();
michael@0: 
michael@0:       return true;
michael@0:     },
michael@0: 
michael@0:     appPickerOK: function appPickerOK() {
michael@0:       if (this._incomingParams.handlerApp) return true;
michael@0: 
michael@0:       var list = document.getElementById("app-picker-listbox");
michael@0:       var selItem = list.selectedItem;
michael@0: 
michael@0:       if (!selItem) {
michael@0:         this._incomingParams.handlerApp = null;
michael@0:         return true;
michael@0:       }
michael@0:       this._incomingParams.handlerApp = selItem.handlerApp;
michael@0: 
michael@0:       return true;
michael@0:     },
michael@0: 
michael@0:     appPickerCancel: function appPickerCancel() {
michael@0:       this._incomingParams.handlerApp = null;
michael@0:       return true;
michael@0:     },
michael@0: 
michael@0:     /**
michael@0:     * User browse for an app.
michael@0:     */
michael@0:     appPickerBrowse: function appPickerBrowse() {
michael@0:       var nsIFilePicker = Components.interfaces.nsIFilePicker;
michael@0:       var fp = Components.classes["@mozilla.org/filepicker;1"].
michael@0:                createInstance(nsIFilePicker);
michael@0: 
michael@0:       fp.init(window, this._incomingParams.title, nsIFilePicker.modeOpen);
michael@0:       fp.appendFilters(nsIFilePicker.filterApps);
michael@0:       
michael@0:       var fileLoc = Components.classes["@mozilla.org/file/directory_service;1"]
michael@0:                             .getService(Components.interfaces.nsIProperties);
michael@0:       var startLocation;
michael@0: #ifdef XP_WIN
michael@0:     startLocation = "ProgF"; // Program Files
michael@0: #else
michael@0: #ifdef XP_MACOSX
michael@0:     startLocation = "LocApp"; // Local Applications
michael@0: #else
michael@0:     startLocation = "Home";
michael@0: #endif
michael@0: #endif
michael@0:       fp.displayDirectory = 
michael@0:         fileLoc.get(startLocation, Components.interfaces.nsILocalFile);
michael@0:       
michael@0:       if (fp.show() == nsIFilePicker.returnOK && fp.file) {
michael@0:           var localHandlerApp = 
michael@0:             Components.classes["@mozilla.org/uriloader/local-handler-app;1"].
michael@0:             createInstance(Components.interfaces.nsILocalHandlerApp);
michael@0:           localHandlerApp.executable = fp.file;
michael@0: 
michael@0:           this._incomingParams.handlerApp = localHandlerApp;
michael@0:           window.close();
michael@0:       }
michael@0:       return true;
michael@0:     }
michael@0: }
michael@0: 
michael@0: // Global object
michael@0: var g_dialog = new AppPicker();