gecko/ipc/glue/ScopedXREEmbed.cpp

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/* ***** 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 Mozilla Plugin App.
*
* The Initial Developer of the Original Code is
* Ben Turner <bent.mozilla@gmail.com>.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either 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
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "ScopedXREEmbed.h"
#include "base/command_line.h"
#include "base/string_util.h"
#include "nsIFile.h"
#include "nsILocalFile.h"
#include "nsCOMPtr.h"
#include "nsServiceManagerUtils.h"
#include "nsStringGlue.h"
#include "nsXULAppAPI.h"
using mozilla::ipc::ScopedXREEmbed;
ScopedXREEmbed::ScopedXREEmbed()
: mShouldKillEmbedding(false)
{
NS_LogInit();
}
ScopedXREEmbed::~ScopedXREEmbed()
{
Stop();
NS_LogTerm();
}
void
ScopedXREEmbed::Start()
{
std::string path;
#if defined(OS_WIN)
path = WideToUTF8(CommandLine::ForCurrentProcess()->program());
#elif defined(OS_POSIX)
path = CommandLine::ForCurrentProcess()->argv()[0];
#else
# error Sorry
#endif
nsCOMPtr<nsILocalFile> localFile;
nsresult rv = XRE_GetBinaryPath(path.c_str(), getter_AddRefs(localFile));
if (NS_FAILED(rv))
return;
nsCOMPtr<nsIFile> parent;
rv = localFile->GetParent(getter_AddRefs(parent));
if (NS_FAILED(rv))
return;
localFile = do_QueryInterface(parent);
NS_ENSURE_TRUE(localFile,);
rv = XRE_InitEmbedding(localFile, localFile, nsnull, nsnull, 0);
if (NS_FAILED(rv))
return;
mShouldKillEmbedding = true;
}
void
ScopedXREEmbed::Stop()
{
if (mShouldKillEmbedding) {
XRE_TermEmbedding();
mShouldKillEmbedding = false;
}
}