gecko-dev/minimo/customization/HelperAppDlg.js

169 строки
5.1 KiB
JavaScript
Executable File

const nsIFilePicker = Components.interfaces.nsIFilePicker;
const nsIHelperAppLauncherDialog = Components.interfaces.nsIHelperAppLauncherDialog;
const nsISupports = Components.interfaces.nsISupports;
function HelperAppDlg() {
}
HelperAppDlg.prototype = {
QueryInterface: function (iid) {
if (iid.equals(nsIHelperAppLauncherDialog) ||
iid.equals(nsISupports))
return this;
Components.returnCode = Components.results.NS_ERROR_NO_INTERFACE;
return null;
},
show: function(aLauncher, aContext, aReason) {
aLauncher.saveToDisk( null, false );
},
promptForSaveToFile: function(aLauncher, aContext, aDefaultFile, aSuggestedFileExtension) {
var result = "";
const prefSvcContractID = "@mozilla.org/preferences-service;1";
const prefSvcIID = Components.interfaces.nsIPrefService;
const nsIFile = Components.interfaces.nsIFile;
const nsILocalFile = Components.interfaces.nsILocalFile;
var branch = Components.classes[prefSvcContractID].getService(prefSvcIID)
.getBranch("browser.download.");
var dir = null;
var consoleService = Components.classes['@mozilla.org/consoleservice;1']
.getService(Components.interfaces.nsIConsoleService);
const kDownloadDirPref = "dir";
var dontAsk=branch.getBoolPref("progressDnlgDialog.dontAskForLaunch");
if(dontAsk) {
// Try and pull in download directory pref
try {
//var dirStringPath=branch.getCharPref(kDownloadDirPref);
consoleService.logStringMessage("hi");
dir = branch.getComplexValue(kDownloadDirPref, nsILocalFile);
consoleService.logStringMessage(dir);
} catch (e) { consoleService.logStringMessage(e)}
if (dir && dir.exists())
{
if (aDefaultFile == "")
aDefaultFile = "download";
dir.append(aDefaultFile);
return dir;
}
}
// Use file picker to show dialog.
var picker = Components.classes[ "@mozilla.org/filepicker;1" ]
.createInstance( nsIFilePicker );
var parent = aContext.QueryInterface( Components.interfaces.nsIInterfaceRequestor )
.getInterface( Components.interfaces.nsIDOMWindowInternal );
picker.init( parent, null, nsIFilePicker.modeSave );
picker.defaultString = aDefaultFile;
if (aSuggestedFileExtension) {
// aSuggestedFileExtension includes the period, so strip it
picker.defaultExtension = aSuggestedFileExtension.substring(1);
} else {
try {
picker.defaultExtension = aLauncher.MIMEInfo.primaryExtension;
} catch (ex) {
}
}
var wildCardExtension = "*";
if ( aSuggestedFileExtension ) {
wildCardExtension += aSuggestedFileExtension;
picker.appendFilter( wildCardExtension, wildCardExtension );
}
picker.appendFilters( nsIFilePicker.filterAll );
if (picker.show() == nsIFilePicker.returnCancel || !picker.file) {
return null;
}
return picker.file;
},
}
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 = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
compMgr.registerFactoryLocation( this.cid,
"Mozilla Helper App Launcher Dialog",
this.contractId,
fileSpec,
location,
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("{494cf5f6-c473-46ea-ad70-230ad7a0fe64}"),
/* 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 HelperAppDlg()).QueryInterface(iid);
}
},
// canUnload: n/a (returns true)
canUnload: function(compMgr) {
return true;
}
};
// NSGetModule: Return the nsIModule object.
function NSGetModule(compMgr, fileSpec) {
return module;
}