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// Copyright (c) 2006-2008 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 <windows.h>
#include <shellapi.h>
#include <shlobj.h>
#include "chrome/common/chrome_paths.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/path_service.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_switches.h"
namespace chrome {
bool GetUserDirectory(int directory_type, std::wstring* result) {
wchar_t path_buf[MAX_PATH];
if (FAILED(SHGetFolderPath(NULL, directory_type, NULL,
SHGFP_TYPE_CURRENT, path_buf)))
return false;
result->assign(path_buf);
return true;
}
// Gets the default user data directory, regardless of whether
// DIR_USER_DATA has been overridden by a command-line option.
bool GetDefaultUserDataDirectory(std::wstring* result) {
if (!PathService::Get(base::DIR_LOCAL_APP_DATA, result))
return false;
#if defined(GOOGLE_CHROME_BUILD)
file_util::AppendToPath(result, L"Google");
#endif
file_util::AppendToPath(result, chrome::kBrowserAppName);
file_util::AppendToPath(result, chrome::kUserDataDirname);
return true;
}
bool GetGearsPluginPathFromCommandLine(std::wstring *path) {
#ifndef NDEBUG
// for debugging, support a cmd line based override
CommandLine command_line;
*path = command_line.GetSwitchValue(switches::kGearsPluginPathOverride);
return !path->empty();
#else
return false;
#endif
}
bool PathProvider(int key, std::wstring* result) {
// Some keys are just aliases...
switch (key) {
case chrome::DIR_APP:
return PathService::Get(base::DIR_MODULE, result);
case chrome::DIR_LOGS:
#ifndef NDEBUG
return PathService::Get(chrome::DIR_USER_DATA, result);
#else
return PathService::Get(base::DIR_EXE, result);
#endif
case chrome::FILE_RESOURCE_MODULE:
return PathService::Get(base::FILE_MODULE, result);
}
// We need to go compute the value. It would be nice to support paths with
// names longer than MAX_PATH, but the system functions don't seem to be
// designed for it either, with the exception of GetTempPath (but other
// things will surely break if the temp path is too long, so we don't bother
// handling it.
wchar_t system_buffer[MAX_PATH];
system_buffer[0] = 0;
// Assume that we will need to create the directory if it does not already
// exist. This flag can be set to true to prevent checking.
bool exists = false;
std::wstring cur;
switch (key) {
case chrome::DIR_USER_DATA:
if (!GetDefaultUserDataDirectory(&cur))
return false;
break;
case chrome::DIR_USER_DOCUMENTS:
if (!GetUserDirectory(CSIDL_MYDOCUMENTS, &cur))
return false;
break;
case chrome::DIR_CRASH_DUMPS:
// The crash reports are always stored relative to the default user data
// directory. This avoids the problem of having to re-initialize the
// exception handler after parsing command line options, which may
// override the location of the app's profile directory.
if (!GetDefaultUserDataDirectory(&cur))
return false;
file_util::AppendToPath(&cur, L"Crash Reports");
break;
case chrome::DIR_USER_DESKTOP:
if (FAILED(SHGetFolderPath(NULL, CSIDL_DESKTOPDIRECTORY, NULL,
SHGFP_TYPE_CURRENT, system_buffer)))
return false;
cur = system_buffer;
exists = true;
break;
case chrome::DIR_RESOURCES:
if (!PathService::Get(chrome::DIR_APP, &cur))
return false;
file_util::AppendToPath(&cur, L"resources");
break;
case chrome::DIR_INSPECTOR:
if (!PathService::Get(chrome::DIR_APP, &cur))
return false;
file_util::AppendToPath(&cur, L"Resources");
file_util::AppendToPath(&cur, L"Inspector");
exists = true;
break;
case chrome::DIR_THEMES:
if (!PathService::Get(chrome::DIR_APP, &cur))
return false;
file_util::AppendToPath(&cur, L"themes");
break;
case chrome::DIR_LOCALES:
if (!PathService::Get(chrome::DIR_APP, &cur))
return false;
file_util::AppendToPath(&cur, L"locales");
break;
case chrome::DIR_APP_DICTIONARIES:
if (!PathService::Get(base::DIR_EXE, &cur))
return false;
file_util::AppendToPath(&cur, L"Dictionaries");
break;
case chrome::FILE_LOCAL_STATE:
if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
return false;
file_util::AppendToPath(&cur, chrome::kLocalStateFilename);
exists = true; // don't trigger directory creation code
break;
case chrome::FILE_RECORDED_SCRIPT:
if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
return false;
file_util::AppendToPath(&cur, L"script.log");
exists = true;
break;
case chrome::FILE_GEARS_PLUGIN:
if (!GetGearsPluginPathFromCommandLine(&cur)) {
// Search for gears.dll alongside chrome.dll first. This new model
// allows us to package gears.dll with the Chrome installer and update
// it while Chrome is running.
if (!PathService::Get(base::DIR_MODULE, &cur))
return false;
file_util::AppendToPath(&cur, L"gears.dll");
if (!file_util::PathExists(cur)) {
if (!PathService::Get(base::DIR_EXE, &cur))
return false;
file_util::AppendToPath(&cur, L"plugins");
file_util::AppendToPath(&cur, L"gears");
file_util::AppendToPath(&cur, L"gears.dll");
}
}
exists = true;
break;
// The following are only valid in the development environment, and
// will fail if executed from an installed executable (because the
// generated path won't exist).
case chrome::DIR_TEST_DATA:
if (!PathService::Get(chrome::DIR_APP, &cur))
return false;
file_util::UpOneDirectory(&cur);
file_util::AppendToPath(&cur, L"test");
file_util::AppendToPath(&cur, L"data");
if (!file_util::PathExists(cur)) // we don't want to create this
return false;
exists = true;
break;
case chrome::DIR_TEST_TOOLS:
if (!PathService::Get(chrome::DIR_APP, &cur))
return false;
file_util::UpOneDirectory(&cur);
file_util::AppendToPath(&cur, L"tools");
file_util::AppendToPath(&cur, L"test");
if (!file_util::PathExists(cur)) // we don't want to create this
return false;
exists = true;
break;
case chrome::FILE_PYTHON_RUNTIME:
if (!PathService::Get(chrome::DIR_APP, &cur))
return false;
file_util::UpOneDirectory(&cur); // chrome
file_util::UpOneDirectory(&cur);
file_util::AppendToPath(&cur, L"third_party");
file_util::AppendToPath(&cur, L"python_24");
file_util::AppendToPath(&cur, L"python.exe");
if (!file_util::PathExists(cur)) // we don't want to create this
return false;
exists = true;
break;
case chrome::FILE_TEST_SERVER:
if (!PathService::Get(chrome::DIR_APP, &cur))
return false;
file_util::UpOneDirectory(&cur);
file_util::AppendToPath(&cur, L"tools");
file_util::AppendToPath(&cur, L"test");
file_util::AppendToPath(&cur, L"testserver");
file_util::AppendToPath(&cur, L"testserver.py");
if (!file_util::PathExists(cur)) // we don't want to create this
return false;
exists = true;
break;
default:
return false;
}
if (!exists && !file_util::PathExists(cur) && !file_util::CreateDirectory(cur))
return false;
result->swap(cur);
return true;
}
// This cannot be done as a static initializer sadly since Visual Studio will
// eliminate this object file if there is no direct entry point into it.
void RegisterPathProvider() {
PathService::RegisterProvider(PathProvider, PATH_START, PATH_END);
}
} // namespace chrome
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