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// Copyright 2022 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/ash/arc/input_overlay/db/data_controller.h"
#include "base/files/file.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/task_runner.h"
#include "base/task/thread_pool.h"
#include "base/threading/scoped_blocking_call.h"
#include "chrome/browser/ash/arc/input_overlay/db/proto/app_data.pb.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_key.h"
namespace arc::input_overlay {
namespace {
// Base directory for saving customized data in the user profile.
constexpr char kPath[] = "google_gio";
std::optional<base::FilePath> CreateOrGetDirectory(
const base::FilePath& storage_dir) {
if (base::PathExists(storage_dir)) {
return storage_dir;
}
if (base::CreateDirectory(storage_dir)) {
return storage_dir;
}
LOG(ERROR) << "Failed to create the base storage directory: "
<< storage_dir.value();
return std::nullopt;
}
bool ProtoFileExists(const base::FilePath& file_path) {
return base::PathExists(file_path);
}
void CreateEmptyFile(const base::FilePath& file_path) {
if (FILE* file = base::OpenFile(file_path, "wb+")) {
base::CloseFile(file);
return;
}
LOG(ERROR) << "Failed to create file: " << file_path.value();
}
} // namespace
DataController::DataController(
content::BrowserContext& browser_context,
scoped_refptr<base::SequencedTaskRunner> task_runner) {
task_runner_ = task_runner;
Profile* profile = Profile::FromBrowserContext(&browser_context);
ProfileKey* profile_key = profile->GetProfileKey();
storage_dir_ = profile_key->GetPath().Append(kPath);
}
DataController::~DataController() = default;
base::FilePath DataController::GetFilePathFromPackageName(
const std::string& package_name) {
base::FilePath file_path(storage_dir_);
return file_path.Append(package_name);
}
std::unique_ptr<AppDataProto> DataController::ReadProtoFromFile(
base::FilePath file_path) {
if (auto base_path = CreateOrGetDirectory(file_path.DirName()); !base_path) {
return nullptr;
}
if (!ProtoFileExists(file_path)) {
CreateEmptyFile(file_path);
return nullptr;
}
std::string out;
std::unique_ptr<AppDataProto> proto = std::make_unique<AppDataProto>();
if (!base::ReadFileToString(file_path, &out) ||
!(proto->ParseFromString(out))) {
return nullptr;
}
return proto;
}
bool DataController::WriteProtoToFile(std::unique_ptr<AppDataProto> proto,
base::FilePath file_path) {
std::string proto_str;
if (!proto->SerializeToString(&proto_str)) {
return false;
}
return base::WriteFile(file_path, proto_str);
}
} // namespace arc::input_overlay
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