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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- *
- * The contents of this file are subject to the Netscape Public License
- * Version 1.1 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is the Mozilla browser.
- *
- * The Initial Developer of the Original Code is Netscape Communications
- * Corporation. Portions created by Netscape are
- * Copyright (C) 2001 Netscape Communications Corporation. All Rights
- * Reserved.
- *
- * Contributors:
- * Bill Law <law@netscape.com>
- * Scott MacGregor <mscott@netscape.com>
- */
-
- /* This file implements the nsIHelperAppLauncherDialog interface.
- *
- * The implementation consists of a JavaScript "class" named nsHelperAppDialog,
- * comprised of:
- * - a JS constructor function
- * - a prototype providing all the interface methods and implementation stuff
- *
- * In addition, this file implements an nsIModule object that registers the
- * nsHelperAppDialog component.
- */
-
-
- /* ctor
- */
- function nsHelperAppDialog() {
- // Initialize data properties.
- this.mLauncher = null;
- this.mContext = null;
- this.mSourcePath = null;
- this.choseApp = false;
- this.chosenApp = null;
- this.givenDefaultApp = false;
- this.strings = new Array;
- this.elements = new Array;
- }
-
- nsHelperAppDialog.prototype = {
- // Turn this on to get debugging messages.
- debug: false,
-
- nsIMIMEInfo : Components.interfaces.nsIMIMEInfo,
-
- // Dump text (if debug is on).
- dump: function( text ) {
- if ( this.debug ) {
- dump( text );
- }
- },
-
- // This "class" supports nsIHelperAppLauncherDialog, and nsISupports.
- QueryInterface: function (iid) {
- if (!iid.equals(Components.interfaces.nsIHelperAppLauncherDialog) &&
- !iid.equals(Components.interfaces.nsISupports)) {
- throw Components.results.NS_ERROR_NO_INTERFACE;
- }
- return this;
- },
-
- // ---------- nsIHelperAppLauncherDialog methods ----------
-
- // show: Open XUL dialog using window watcher. Since the dialog is not
- // modal, it needs to be a top level window and the way to open
- // one of those is via that route).
- show: function(aLauncher, aContext) {
- this.mLauncher = aLauncher;
- this.mContext = aContext;
- // Display the dialog using the Window Watcher interface.
- var ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
- .getService( Components.interfaces.nsIWindowWatcher );
- this.mDialog = ww.openWindow( null, // no parent
- "chrome://global/content/nsHelperAppDlg.xul",
- null,
- "chrome,titlebar,dialog=yes",
- null );
- // Hook this object to the dialog.
- this.mDialog.dialog = this;
- },
-
- // promptForSaveToFile: Display file picker dialog and return selected file.
- promptForSaveToFile: function(aContext, aDefaultFile, aSuggestedFileExtension) {
- var result = "";
-
- // Use file picker to show dialog.
- var nsIFilePicker = Components.interfaces.nsIFilePicker;
- var picker = Components.classes[ "@mozilla.org/filepicker;1" ]
- .createInstance( nsIFilePicker );
- var bundle = Components.classes[ "@mozilla.org/intl/stringbundle;1" ]
- .getService( Components.interfaces.nsIStringBundleService )
- .createBundle( "chrome://global/locale/nsHelperAppDlg.properties");
-
- var windowTitle = bundle.GetStringFromName( "saveDialogTitle" );
-
- var parent = aContext
- .QueryInterface( Components.interfaces.nsIInterfaceRequestor )
- .getInterface( Components.interfaces.nsIDOMWindowInternal );
- picker.init( parent, windowTitle, nsIFilePicker.modeSave );
- picker.defaultString = aDefaultFile;
-
- var wildCardExtension = "*";
- if ( aSuggestedFileExtension ) {
- wildCardExtension += aSuggestedFileExtension;
- picker.appendFilter( wildCardExtension, wildCardExtension );
- }
-
- picker.appendFilters( nsIFilePicker.filterAll );
-
- // Pull in the user's preferences and get the default download directory.
- var prefs = Components.classes[ "@mozilla.org/preferences;1" ]
- .getService( Components.interfaces.nsIPref );
- try {
- var startDir = prefs.getFileXPref( "browser.download.dir" );
- if ( startDir.exists() ) {
- picker.displayDirectory = startDir;
- }
- } catch( exception ) {
- }
-
- var dlgResult = picker.show();
-
- if ( dlgResult == nsIFilePicker.returnCancel ) {
- throw Components.results.NS_ERROR_FAILURE;
- }
-
-
- // be sure to save the directory the user chose as the new browser.download.dir
- result = picker.file;
-
- if ( result ) {
- var newDir = result.parent;
- prefs.setFileXPref( "browser.download.dir", newDir );
- }
- return result;
- },
-
- // showProgressDialog: For now, use old dialog. At some point, the caller should be
- // converted to use the new generic progress dialog (when it's
- // finished).
- showProgressDialog: function(aLauncher, aContext) {
- // Display the dialog using the Window Watcher interface.
- var ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
- .getService( Components.interfaces.nsIWindowWatcher );
- ww.openWindow( null, // no parent
- "chrome://global/content/helperAppDldProgress.xul",
- null,
- "chrome,titlebar,minimizable,dialog=yes",
- aLauncher );
- },
-
- // ---------- implementation methods ----------
-
- // initDialog: Fill various dialog fields with initial content.
- initDialog : function() {
- // Check if file is executable (in which case, we will go straight to
- // "save to disk").
- var ignore1 = new Object;
- var ignore2 = new Object;
- var tmpFile = this.mLauncher.getDownloadInfo( ignore1, ignore2 );
- if ( tmpFile.isExecutable() ) {
- this.mLauncher.saveToDisk( null, false );
- this.mDialog.close();
- return;
- }
-
- // Put product brand short name in prompt.
- var prompt = this.dialogElement( "prompt" );
- var modified = this.replaceInsert( prompt.firstChild.nodeValue, 1, this.getString( "brandShortName" ) );
- prompt.firstChild.nodeValue = modified;
-
- // Put file name in window title.
- var win = this.dialogElement( "nsHelperAppDlg" );
- var url = this.mLauncher.source.QueryInterface( Components.interfaces.nsIURL );
- var fname = "";
- this.mSourcePath = url.prePath;
- if ( url ) {
- // A url, use file name from it.
- fname = url.fileName;
- this.mSourcePath += url.directory;
- } else {
- // A generic uri, use path.
- fname = this.mLauncher.source.path;
- this.mSourcePath += url.path;
- }
-
- var title = this.replaceInsert( win.getAttribute( "title" ), 1, fname);
- win.setAttribute( "title", title );
-
- // Put content type and location into intro.
- this.initIntro(url);
-
- var iconString = "moz-icon://" + fname + "?size=32&contentType=" + this.mLauncher.MIMEInfo.MIMEType;
-
- this.dialogElement("contentTypeImage").setAttribute("src", iconString);
-
- this.initAppAndSaveToDiskValues();
-
- // always make sure the window starts off with this checked....
- this.dialogElement( "alwaysAskMe" ).checked = true;
-
- // Add special debug hook.
- if ( this.debug ) {
- var prompt = this.dialogElement( "prompt" );
- prompt.setAttribute( "onclick", "dialog.doDebug()" );
- }
-
- // Set up dialog button callbacks.
- var object = this; // "this.onOK()" doesn't work!
- this.mDialog.doSetOKCancel( function () { return object.onOK(); },
- function () { return object.onCancel(); } );
-
- // Position it.
- if ( this.mDialog.opener ) {
- this.mDialog.moveToAlertPosition();
- } else {
- this.mDialog.centerWindowOnScreen();
- }
- },
-
- // initIntro:
- initIntro: function(url) {
- var intro = this.dialogElement( "intro" );
- var desc = this.mLauncher.MIMEInfo.Description;
- var modified;
- if ( desc != "" )
- {
- // Use intro with descriptive text.
- modified = this.replaceInsert( this.getString( "intro.withDesc" ), 1, this.mLauncher.MIMEInfo.Description );
- }
- else
- {
- // Use intro without descriptive text.
- modified = this.getString( "intro.noDesc" );
- }
-
- modified = this.replaceInsert( modified, 2, this.mLauncher.MIMEInfo.MIMEType );
-
- // if mSourcePath is a local file, then let's use the pretty path name instead of an ugly
- // url...
- var pathString = this.mSourcePath;
- try
- {
- var fileURL = url.QueryInterface( Components.interfaces.nsIFileURL);
- if (fileURL)
- {
- var fileObject = fileURL.file;
- if (fileObject)
- {
- var parentObject = fileObject.parent;
- if (parentObject)
- {
- pathString = parentObject.unicodePath;
- }
- }
- }
- } catch(ex) {}
-
-
- modified = this.replaceInsert( modified, 3, pathString );
- intro.firstChild.nodeValue = "";
- intro.firstChild.nodeValue = modified;
- },
-
- // initAppAndSaveToDiskValues:
- initAppAndSaveToDiskValues: function() {
-
- // Pre-select the choice the user made last time.
- this.chosenApp = this.mLauncher.MIMEInfo.preferredApplicationHandler;
- var applicationDescription = this.mLauncher.MIMEInfo.applicationDescription;
-
- if (applicationDescription != "")
- {
- this.updateApplicationName(applicationDescription);
- this.givenDefaultApp = true;
- }
- else if (this.chosenApp && this.chosenApp.unicodePath)
- {
- // If a user-chosen application, show its path.
- this.updateApplicationName(this.chosenApp.unicodePath);
- this.choseApp = true;
- }
- else
- this.updateApplicationName(this.getString("noApplicationSpecified"));
-
- if ( (applicationDescription || this.choseApp) && this.mLauncher.MIMEInfo.preferredAction != this.nsIMIMEInfo.saveToDisk )
- {
- this.dialogElement( "openUsing" ).checked = true;
- this.dialogElement( "saveToDisk" ).checked = false;
- }
- else
- {
- // Save to disk.
- this.dialogElement( "saveToDisk" ).checked = true;
- this.dialogElement( "openUsing" ).checked = false;
- // Disable choose app button.
- this.dialogElement( "chooseApp" ).setAttribute( "disabled", "true" );
- }
- },
-
- updateApplicationName: function(newValue)
- {
- var applicationText = this.getString( "openUsingString" );
- applicationText = this.replaceInsert( applicationText, 1, newValue );
- var expl = this.dialogElement( "openUsing" );
- expl.label = applicationText;
- },
-
- // Enable pick app button if the user chooses that option.
- toggleChoice : function () {
- // See what option is checked.
- if ( this.dialogElement( "openUsing" ).checked ) {
- // We can enable the pick app button.
- this.dialogElement( "chooseApp" ).removeAttribute( "disabled" );
- } else {
- // We can disable the pick app button.
- this.dialogElement( "chooseApp" ).setAttribute( "disabled", "true" );
- }
-
- this.updateOKButton();
- },
-
- processAlwaysAskState : function ()
- {
- // if the user deselected the always ask checkbox, then store that on the mime object for future use...
- if (!this.dialogElement( "alwaysAskMe" ).checked)
- {
- // we first need to rest the user action if the user selected save to disk instead of open...
- // reset the preferred action in this case...we need to do this b4 setting the always ask before handling state
-
- if (!this.dialogElement( "openUsing" ).checked)
- this.mLauncher.MIMEInfo.preferredAction = this.nsIMIMEInfo.saveToDisk;
-
-
- this.mLauncher.MIMEInfo.alwaysAskBeforeHandling = false;
- }
- },
- updateOKButton: function() {
- var ok = false;
- if ( this.dialogElement( "saveToDisk" ).checked )
- {
- // This is always OK.
- ok = true;
- }
- else
- {
- // only enable the OK button if we have a default app to use or if
- // the user chose an app....
- if ((this.choseApp && this.chosenApp.unicodePath) || this.givenDefaultApp)
- ok = true;
- }
-
- // Enable Ok button if ok to press.
- this.dialogElement( "ok" ).disabled = !ok;
- },
-
- // onOK:
- onOK: function() {
-
- this.processAlwaysAskState();
-
- if ( this.dialogElement( "openUsing" ).checked )
- {
- // If no app "chosen" then convert input string to file.
- if (this.chosenApp)
- this.mLauncher.launchWithApplication( this.chosenApp, false );
- else
- this.mLauncher.launchWithApplication( null, false );
- }
- else
- this.mLauncher.saveToDisk( null, false );
-
- // Unhook dialog from this object.
- this.mDialog.dialog = null;
-
- // Close up dialog by returning true.
- return true;
- //this.mDialog.close();
- },
-
- // onCancel:
- onCancel: function() {
- // Cancel app launcher.
- try {
- this.mLauncher.Cancel();
- } catch( exception ) {
- }
-
- // Unhook dialog from this object.
- this.mDialog.dialog = null;
-
- // Close up dialog by returning true.
- return true;
- },
-
- // dialogElement: Try cache; obtain from document if not there.
- dialogElement: function( id ) {
- // Check if we've already fetched it.
- if ( !( id in this.elements ) ) {
- // No, then get it from dialog.
- this.elements[ id ] = this.mDialog.document.getElementById( id );
- }
- return this.elements[ id ];
- },
-
- // chooseApp: Open file picker and prompt user for application.
- chooseApp: function() {
- var nsIFilePicker = Components.interfaces.nsIFilePicker;
- var fp = Components.classes["@mozilla.org/filepicker;1"].createInstance( nsIFilePicker );
- fp.init( this.mDialog,
- this.getString( "chooseAppFilePickerTitle" ),
- nsIFilePicker.modeOpen );
-
- // XXX - We want to say nsIFilePicker.filterExecutable or something
- fp.appendFilters( nsIFilePicker.filterAll );
-
- if ( fp.show() == nsIFilePicker.returnOK && fp.file ) {
- // Remember the file they chose to run.
- this.choseApp = true;
- this.chosenApp = fp.file;
- // Update dialog.
-
- this.updateApplicationName(this.chosenApp.unicodePath);
- }
- },
-
- // setDefault: Open "edit MIMEInfo" dialog (borrowed from prefs).
- setDefault: function() {
- // Get RDF service.
- var rdf = Components.classes[ "@mozilla.org/rdf/rdf-service;1" ]
- .getService( Components.interfaces.nsIRDFService );
- // Now ask if it knows about this mime type.
- var exists = false;
- var fileLocator = Components.classes[ "@mozilla.org/file/directory_service;1" ]
- .getService( Components.interfaces.nsIProperties );
- var file = fileLocator.get( "UMimTyp", Components.interfaces.nsIFile );
-
- // We must try creating a fresh remote DS in order to avoid accidentally
- // having GetDataSource trigger an asych load.
- var ds = Components.classes[ "@mozilla.org/rdf/datasource;1?name=xml-datasource" ].createInstance( Components.interfaces.nsIRDFDataSource );
- try {
- // Initialize it. This will fail if the uriloader (or anybody else)
- // has already loaded/registered this data source.
- var remoteDS = ds.QueryInterface( Components.interfaces.nsIRDFRemoteDataSource );
- remoteDS.Init( file.URL );
- remoteDS.Refresh( true );
- } catch ( all ) {
- // OK then, presume it was already registered; get it.
- ds = rdf.GetDataSource( file.URL );
- }
-
- // Now check if this mimetype is really in there;
- // This is done by seeing if there's a "value" arc from the mimetype resource
- // to the mimetype literal string.
- var mimeRes = rdf.GetResource( "urn:mimetype:" + this.mLauncher.MIMEInfo.MIMEType );
- var valueProperty = rdf.GetResource( "http://home.netscape.com/NC-rdf#value" );
- var mimeLiteral = rdf.GetLiteral( this.mLauncher.MIMEInfo.MIMEType );
- exists = ds.HasAssertion( mimeRes, valueProperty, mimeLiteral, true );
-
- var dlgUrl;
- if ( exists ) {
- // Open "edit mime type" dialog.
- dlgUrl = "chrome://communicator/content/pref/pref-applications-edit.xul";
- } else {
- // Open "add mime type" dialog.
- dlgUrl = "chrome://communicator/content/pref/pref-applications-new.xul";
- }
-
- // Open whichever dialog is appropriate, passing this dialog object as argument.
- this.mDialog.openDialog( dlgUrl,
- "_blank",
- "chrome,modal=yes,resizable=no",
- this );
-
- // Refresh dialog with updated info about the default action.
- this.initIntro();
- this.initAppAndSaveToDiskValues();
- },
-
- // updateMIMEInfo: This is called from the pref-applications-edit dialog when the user
- // presses OK. Take the updated MIMEInfo and have the helper app service
- // "write" it back out to the RDF datasource.
- updateMIMEInfo: function() {
- this.dumpObjectProperties( "\tMIMEInfo", this.mLauncher.MIMEInfo );
- },
-
- // dumpInfo:
- doDebug: function() {
- const nsIProgressDialog = Components.interfaces.nsIProgressDialog;
- // Open new progress dialog.
- var progress = Components.classes[ "@mozilla.org/progressdialog;1" ]
- .createInstance( nsIProgressDialog );
- // Show it.
- progress.open( this.mDialog );
- },
-
- // dumpObj:
- dumpObj: function( spec ) {
- var val = "<undefined>";
- try {
- val = eval( "this."+spec ).toString();
- } catch( exception ) {
- }
- this.dump( spec + "=" + val + "\n" );
- },
-
- // dumpObjectProperties
- dumpObjectProperties: function( desc, obj ) {
- for( prop in obj ) {
- this.dump( desc + "." + prop + "=" );
- var val = "<undefined>";
- try {
- val = obj[ prop ];
- } catch ( exception ) {
- }
- this.dump( val + "\n" );
- }
- },
-
- // getString: Fetch data string from dialog content (and cache it).
- getString: function( id ) {
- // Check if we've fetched this string already.
- if ( !( id in this.strings ) ) {
- // Try to get it.
- var elem = this.mDialog.document.getElementById( id );
- if ( elem
- &&
- elem.firstChild
- &&
- elem.firstChild.nodeValue ) {
- this.strings[ id ] = elem.firstChild.nodeValue;
- } else {
- // If unable to fetch string, use an empty string.
- this.strings[ id ] = "";
- }
- }
- return this.strings[ id ];
- },
-
- // replaceInsert: Replace given insert with replacement text and return the result.
- replaceInsert: function( text, insertNo, replacementText ) {
- var result = text;
- var regExp = eval( "/#"+insertNo+"/" );
- result = result.replace( regExp, replacementText );
- return result;
- }
- }
-
- // This Component's module implementation. All the code below is used to get this
- // component registered and accessible via XPCOM.
- var module = {
- firstTime: true,
-
- // registerSelf: Register this component.
- registerSelf: function (compMgr, fileSpec, location, type) {
- if (this.firstTime) {
- this.firstTime = false;
- throw Components.results.NS_ERROR_FACTORY_REGISTER_AGAIN;
- }
- compMgr.registerComponentWithType( this.cid,
- "Mozilla Helper App Launcher Dialog",
- this.contractId,
- fileSpec,
- location,
- true,
- true,
- type );
- },
-
- // getClassObject: Return this component's factory object.
- getClassObject: function (compMgr, cid, iid) {
- if (!cid.equals(this.cid)) {
- throw Components.results.NS_ERROR_NO_INTERFACE;
- }
-
- if (!iid.equals(Components.interfaces.nsIFactory)) {
- throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
- }
-
- return this.factory;
- },
-
- /* CID for this class */
- cid: Components.ID("{F68578EB-6EC2-4169-AE19-8C6243F0ABE1}"),
-
- /* Contract ID for this class */
- contractId: "@mozilla.org/helperapplauncherdialog;1",
-
- /* factory object */
- factory: {
- // createInstance: Return a new nsProgressDialog object.
- createInstance: function (outer, iid) {
- if (outer != null)
- throw Components.results.NS_ERROR_NO_AGGREGATION;
-
- return (new nsHelperAppDialog()).QueryInterface(iid);
- }
- },
-
- // canUnload: n/a (returns true)
- canUnload: function(compMgr) {
- return true;
- }
- };
-
- // NSGetModule: Return the nsIModule object.
- function NSGetModule(compMgr, fileSpec) {
- return module;
- }
-