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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "chrome/app/client_util.h"
#include <shlobj.h>
namespace client_util {
const wchar_t kProductVersionKey[] = L"pv";
bool FileExists(const wchar_t* const file_path) {
WIN32_FILE_ATTRIBUTE_DATA attrs;
return ::GetFileAttributesEx(file_path, GetFileExInfoStandard, &attrs) != 0;
}
bool GetChromiumVersion(const wchar_t* const exe_path,
const wchar_t* const reg_key_path,
wchar_t** version) {
HKEY reg_root = IsUserModeInstall(exe_path) ? HKEY_CURRENT_USER :
HKEY_LOCAL_MACHINE;
HKEY reg_key;
if (::RegOpenKeyEx(reg_root, reg_key_path, 0,
KEY_READ, ®_key) != ERROR_SUCCESS) {
return false;
}
DWORD size = 0;
bool ret = false;
if (::RegQueryValueEx(reg_key, client_util::kProductVersionKey, NULL, NULL,
NULL, &size) == ERROR_SUCCESS) {
*version = new wchar_t[1 + (size / sizeof(wchar_t))];
if (::RegQueryValueEx(reg_key, client_util::kProductVersionKey,
NULL, NULL, reinterpret_cast<BYTE*>(*version),
&size) == ERROR_SUCCESS) {
ret = true;
} else {
delete[] *version;
}
}
::RegCloseKey(reg_key);
return ret;
}
void GetExecutablePath(wchar_t* exe_path) {
DWORD len = ::GetModuleFileName(NULL, exe_path, MAX_PATH);
wchar_t* tmp = exe_path + len - 1;
while (tmp >= exe_path && *tmp != L'\\')
tmp--;
if (tmp > exe_path) {
tmp++;
*tmp = 0;
}
}
bool IsUserModeInstall(const wchar_t* const exe_path) {
wchar_t buffer[MAX_PATH] = {0};
if (!FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAM_FILES, NULL,
SHGFP_TYPE_CURRENT, buffer))) {
if (exe_path == wcsstr(exe_path, buffer)) {
return false;
}
}
return true;
}
} // namespace client_util
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