868ac4081c
r=danm, sr=jag git-svn-id: svn://10.0.0.236/trunk@120272 18797224-902f-48f8-a5cc-f745e15eee43
37 lines
1.3 KiB
JavaScript
Executable File
37 lines
1.3 KiB
JavaScript
Executable File
const MOZ_HELP_URI = "chrome://help/content/help.xul";
|
|
const MOZILLA_HELP = "chrome://help/locale/mozillahelp.rdf";
|
|
var helpFileURI = MOZILLA_HELP;
|
|
|
|
// Call this function to display a help topic.
|
|
// uri: [chrome uri of rdf help file][?topic]
|
|
function openHelp(topic) {
|
|
var topWindow = locateHelpWindow(helpFileURI);
|
|
if ( topWindow ) {
|
|
topWindow.focus();
|
|
topWindow.displayTopic(topic);
|
|
} else {
|
|
var encodedURI = encodeURIComponent(helpFileURI + "?" + ((topic)?topic:""));
|
|
window.open(MOZ_HELP_URI + "?" + encodedURI, "_blank", "chrome,menubar,toolbar,dialog=no,resizable,scrollbars");
|
|
}
|
|
}
|
|
|
|
function setHelpFileURI(rdfURI) {
|
|
helpFileURI = rdfURI;
|
|
}
|
|
|
|
// Locate mozilla:help window (if any) opened for this help file uri.
|
|
function locateHelpWindow(helpFileURI) {
|
|
var windowManager = Components.classes['@mozilla.org/appshell/window-mediator;1'].getService();
|
|
var windowManagerInterface = windowManager.QueryInterface( Components.interfaces.nsIWindowMediator);
|
|
var iterator = windowManagerInterface.getEnumerator( "mozilla:help");
|
|
var topWindow = null;
|
|
while (iterator.hasMoreElements()) {
|
|
var aWindow = iterator.getNext();
|
|
if (aWindow.getHelpFileURI() == helpFileURI) {
|
|
topWindow = aWindow;
|
|
break;
|
|
}
|
|
}
|
|
return topWindow;
|
|
}
|