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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "ScopedXREEmbed.h"
#include "base/command_line.h"
#include "base/string_util.h"
#include "nsIFile.h"
#include "nsCOMPtr.h"
#include "nsServiceManagerUtils.h"
#include "nsString.h"
#include "nsXULAppAPI.h"
using mozilla::ipc::ScopedXREEmbed;
ScopedXREEmbed::ScopedXREEmbed()
: mShouldKillEmbedding(false)
{
NS_LogInit();
}
ScopedXREEmbed::~ScopedXREEmbed()
{
Stop();
NS_LogTerm();
}
void
ScopedXREEmbed::SetAppDir(const nsACString& aPath)
{
bool flag;
nsresult rv =
XRE_GetFileFromPath(aPath.BeginReading(), getter_AddRefs(mAppDir));
if (NS_FAILED(rv) ||
NS_FAILED(mAppDir->Exists(&flag)) || !flag) {
NS_WARNING("Invalid application directory passed to content process.");
mAppDir = nullptr;
}
}
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<nsIFile> 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_VOID(localFile);
#ifdef OS_MACOSX
if (XRE_IsContentProcess()) {
// We're an XPCOM-using subprocess. Walk out of
// [subprocess].app/Contents/MacOS to the real GRE dir.
rv = localFile->GetParent(getter_AddRefs(parent));
if (NS_FAILED(rv))
return;
localFile = do_QueryInterface(parent);
NS_ENSURE_TRUE_VOID(localFile);
rv = localFile->GetParent(getter_AddRefs(parent));
if (NS_FAILED(rv))
return;
localFile = do_QueryInterface(parent);
NS_ENSURE_TRUE_VOID(localFile);
rv = localFile->GetParent(getter_AddRefs(parent));
if (NS_FAILED(rv))
return;
localFile = do_QueryInterface(parent);
NS_ENSURE_TRUE_VOID(localFile);
rv = localFile->SetNativeLeafName(NS_LITERAL_CSTRING("Resources"));
if (NS_FAILED(rv)) {
return;
}
}
#endif
if (mAppDir)
rv = XRE_InitEmbedding2(localFile, mAppDir, nullptr);
else
rv = XRE_InitEmbedding2(localFile, localFile, nullptr);
if (NS_FAILED(rv))
return;
mShouldKillEmbedding = true;
}
void
ScopedXREEmbed::Stop()
{
if (mShouldKillEmbedding) {
XRE_TermEmbedding();
mShouldKillEmbedding = false;
}
}
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