pjs/uriloader/exthandler/nsLocalHandlerApp.cpp

138 строки
4.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim:expandtab:shiftwidth=2:tabstop=2:cin:
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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
* the Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Dan Mosedale <dmose@mozilla.org>
* Myk Melez <myk@mozilla.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* decision by deleting the provisions above and replace them with the notice
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* ***** END LICENSE BLOCK ***** */
#include "nsLocalHandlerApp.h"
#include "nsIURI.h"
#include "nsIProcess.h"
// XXX why does nsMIMEInfoImpl have a threadsafe nsISupports? do we need one
// here too?
NS_IMPL_ISUPPORTS2(nsLocalHandlerApp, nsILocalHandlerApp, nsIHandlerApp)
////////////////////////////////////////////////////////////////////////////////
//// nsIHandlerApp
NS_IMETHODIMP nsLocalHandlerApp::GetName(nsAString& aName)
{
if (mName.IsEmpty() && mExecutable) {
// Don't want to cache this, just in case someone resets the app
// without changing the description....
mExecutable->GetLeafName(aName);
} else {
aName.Assign(mName);
}
return NS_OK;
}
NS_IMETHODIMP nsLocalHandlerApp::SetName(const nsAString & aName)
{
mName.Assign(aName);
return NS_OK;
}
NS_IMETHODIMP
nsLocalHandlerApp::Equals(nsIHandlerApp *aHandlerApp, PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(aHandlerApp);
// If the handler app isn't a local handler app, then it's not the same app.
nsCOMPtr <nsILocalHandlerApp> localHandlerApp = do_QueryInterface(aHandlerApp);
if (!localHandlerApp) {
*_retval = PR_FALSE;
return NS_OK;
}
// If either handler app doesn't have an executable, then they aren't
// the same app.
nsCOMPtr<nsIFile> executable;
nsresult rv = localHandlerApp->GetExecutable(getter_AddRefs(executable));
if (NS_FAILED(rv) || !executable || !mExecutable) {
*_retval = PR_FALSE;
return NS_OK;
}
return executable->Equals(mExecutable, _retval);
}
NS_IMETHODIMP
nsLocalHandlerApp::LaunchWithURI(nsIURI *aURI,
nsIInterfaceRequestor *aWindowContext)
{
// pass the entire URI to the handler.
nsCAutoString spec;
aURI->GetAsciiSpec(spec);
return LaunchWithIProcess(spec);
}
nsresult
nsLocalHandlerApp::LaunchWithIProcess(const nsCString& aArg)
{
nsresult rv;
nsCOMPtr<nsIProcess> process = do_CreateInstance(NS_PROCESS_CONTRACTID, &rv);
if (NS_FAILED(rv))
return rv;
if (NS_FAILED(rv = process->Init(mExecutable)))
return rv;
const char *string = aArg.get();
PRUint32 pid;
return process->Run(PR_FALSE, &string, 1, &pid);
}
////////////////////////////////////////////////////////////////////////////////
//// nsILocalHandlerApp
NS_IMETHODIMP nsLocalHandlerApp::GetExecutable(nsIFile **aExecutable)
{
NS_IF_ADDREF(*aExecutable = mExecutable);
return NS_OK;
}
NS_IMETHODIMP nsLocalHandlerApp::SetExecutable(nsIFile *aExecutable)
{
mExecutable = aExecutable;
return NS_OK;
}