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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/web_applications/chrome_pwa_launcher/last_browser_file_util.h"
#include <string>
#include "base/base_paths.h"
#include "base/files/file_util.h"
#include "base/path_service.h"
#include "base/strings/string_util.h"
namespace web_app {
const base::FilePath::StringViewType kLastBrowserFilename =
FILE_PATH_LITERAL("Last Browser");
base::FilePath ReadChromePathFromLastBrowserFile(
const base::FilePath& last_browser_file) {
std::string last_browser_file_data;
if (!base::ReadFileToStringWithMaxSize(
last_browser_file, &last_browser_file_data,
MAX_PATH * sizeof(base::FilePath::CharType))) {
return base::FilePath();
}
base::FilePath::StringType chrome_path(
reinterpret_cast<const base::FilePath::CharType*>(
last_browser_file_data.data()),
last_browser_file_data.size() / sizeof(base::FilePath::CharType));
const base::FilePath::StringViewType chrome_path_trimmed =
base::TrimString(chrome_path, FILE_PATH_LITERAL(" \n"), base::TRIM_ALL);
return base::FilePath(chrome_path_trimmed);
}
void WriteChromePathToLastBrowserFile(const base::FilePath& user_data_dir) {
DCHECK(!user_data_dir.empty());
base::FilePath chrome_path;
if (!base::PathService::Get(base::FILE_EXE, &chrome_path))
return;
const base::FilePath::StringType& chrome_path_str = chrome_path.value();
DCHECK(!chrome_path_str.empty());
base::WriteFile(user_data_dir.Append(kLastBrowserFilename),
base::as_byte_span(chrome_path_str));
}
base::FilePath GetLastBrowserFileFromWebAppDir(
const base::FilePath& web_app_dir) {
return web_app_dir.DirName().DirName().DirName().Append(kLastBrowserFilename);
}
} // namespace web_app
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