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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome_frame/chrome_launcher_utils.h"
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/win/windows_version.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_switches.h"
#include "chrome_frame/chrome_frame_automation.h"
namespace {
const char kUpdateCommandFlag[] = "--update-cmd";
CommandLine* CreateChromeLauncherCommandLine() {
// The launcher EXE will be in the same directory as the Chrome Frame DLL,
// so create a full path to it based on this assumption. Since our unit
// tests also use this function, and live in the directory above, we test
// existence of the file and try the path that includes the /servers/
// directory if needed.
FilePath module_path;
if (PathService::Get(base::FILE_MODULE, &module_path)) {
FilePath current_dir = module_path.DirName();
FilePath same_dir_path = current_dir.Append(
chrome_launcher::kLauncherExeBaseName);
if (file_util::PathExists(same_dir_path)) {
return new CommandLine(same_dir_path);
} else {
FilePath servers_path = current_dir.Append(L"servers").Append(
chrome_launcher::kLauncherExeBaseName);
DCHECK(file_util::PathExists(servers_path)) <<
"What module is this? It's not in 'servers' or main output dir.";
return new CommandLine(servers_path);
}
} else {
NOTREACHED();
return NULL;
}
}
} // namespace
namespace chrome_launcher {
const wchar_t kLauncherExeBaseName[] = L"chrome_launcher.exe";
CommandLine* CreateUpdateCommandLine(const std::wstring& update_command) {
CommandLine* command_line = CreateChromeLauncherCommandLine();
if (command_line) {
command_line->AppendArg(kUpdateCommandFlag);
command_line->AppendArg(WideToASCII(update_command));
}
return command_line;
}
CommandLine* CreateLaunchCommandLine() {
// Shortcut for OS versions that don't need the integrity broker.
if (base::win::GetVersion() < base::win::VERSION_VISTA) {
return new CommandLine(GetChromeExecutablePath());
}
return CreateChromeLauncherCommandLine();
}
FilePath GetChromeExecutablePath() {
FilePath cur_path;
PathService::Get(base::DIR_MODULE, &cur_path);
cur_path = cur_path.Append(chrome::kBrowserProcessExecutableName);
// The installation model for Chrome places the DLLs in a versioned
// sub-folder one down from the Chrome executable. If we fail to find
// chrome.exe in the current path, try looking one up and launching that
// instead.
if (!file_util::PathExists(cur_path)) {
PathService::Get(base::DIR_MODULE, &cur_path);
cur_path = cur_path.DirName().Append(chrome::kBrowserProcessExecutableName);
}
return cur_path;
}
} // namespace chrome_launcher
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