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const nsIAppShellService = Components.interfaces.nsIAppShellService;
const nsISupports = Components.interfaces.nsISupports;
const nsICategoryManager = Components.interfaces.nsICategoryManager;
const nsIComponentRegistrar = Components.interfaces.nsIComponentRegistrar;
const nsICommandLine = Components.interfaces.nsICommandLine;
const nsICommandLineHandler = Components.interfaces.nsICommandLineHandler;
const nsIFactory = Components.interfaces.nsIFactory;
const nsIModule = Components.interfaces.nsIModule;
const nsIWindowWatcher = Components.interfaces.nsIWindowWatcher;
// CHANGEME: to the chrome URI of your extension or application
const CHROME_URI = "chrome://nixos-gui/content/myviewer.xul";
// CHANGEME: change the contract id, CID, and category to be unique
// to your application.
const clh_contractID = "@mozilla.org/commandlinehandler/general-startup;1?type=myapp";
// use uuidgen to generate a unique ID
const clh_CID = Components.ID("{2991c315-b871-42cd-b33f-bfee4fcbf682}");
// category names are sorted alphabetically. Typical command-line handlers use a
// category that begins with the letter "m".
const clh_category = "m-myapp";
/**
* Utility functions
*/
/**
* Opens a chrome window.
* @param aChromeURISpec a string specifying the URI of the window to open.
* @param aArgument an argument to pass to the window (may be null)
*/
function openWindow(aChromeURISpec, aArgument)
{
var ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"].
getService(Components.interfaces.nsIWindowWatcher);
ww.openWindow(null, aChromeURISpec, "_blank",
"chrome,menubar,toolbar,status,resizable,dialog=no",
aArgument);
}
/**
* The XPCOM component that implements nsICommandLineHandler.
* It also implements nsIFactory to serve as its own singleton factory.
*/
const myAppHandler = {
/* nsISupports */
QueryInterface : function clh_QI(iid)
{
if (iid.equals(nsICommandLineHandler) ||
iid.equals(nsIFactory) ||
iid.equals(nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
/* nsICommandLineHandler */
handle : function clh_handle(cmdLine)
{
openWindow(CHROME_URI, cmdLine);
cmdLine.preventDefault = true;
},
// CHANGEME: change the help info as appropriate, but
// follow the guidelines in nsICommandLineHandler.idl
// specifically, flag descriptions should start at
// character 24, and lines should be wrapped at
// 72 characters with embedded newlines,
// and finally, the string should end with a newline
helpInfo : " <filename> Open the file in the viewer\n",
/* nsIFactory */
createInstance : function clh_CI(outer, iid)
{
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
return this.QueryInterface(iid);
},
lockFactory : function clh_lock(lock)
{
/* no-op */
}
};
/**
* The XPCOM glue that implements nsIModule
*/
const myAppHandlerModule = {
/* nsISupports */
QueryInterface : function mod_QI(iid)
{
if (iid.equals(nsIModule) ||
iid.equals(nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
/* nsIModule */
getClassObject : function mod_gch(compMgr, cid, iid)
{
if (cid.equals(clh_CID))
return myAppHandler.QueryInterface(iid);
throw Components.results.NS_ERROR_NOT_REGISTERED;
},
registerSelf : function mod_regself(compMgr, fileSpec, location, type)
{
compMgr.QueryInterface(nsIComponentRegistrar);
compMgr.registerFactoryLocation(clh_CID,
"myAppHandler",
clh_contractID,
fileSpec,
location,
type);
var catMan = Components.classes["@mozilla.org/categorymanager;1"].
getService(nsICategoryManager);
catMan.addCategoryEntry("command-line-handler",
clh_category,
clh_contractID, true, true);
},
unregisterSelf : function mod_unreg(compMgr, location, type)
{
compMgr.QueryInterface(nsIComponentRegistrar);
compMgr.unregisterFactoryLocation(clh_CID, location);
var catMan = Components.classes["@mozilla.org/categorymanager;1"].
getService(nsICategoryManager);
catMan.deleteCategoryEntry("command-line-handler", clh_category);
},
canUnload : function (compMgr)
{
return true;
}
};
/* The NSGetModule function is the magic entry point that XPCOM uses to find what XPCOM objects
* this component provides
*/
function NSGetModule(comMgr, fileSpec)
{
return myAppHandlerModule;
}
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