chromium/content/browser/media/media_license_database.cc

// 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 "content/browser/media/media_license_database.h"

#include "base/files/file.h"
#include "base/files/file_util.h"
#include "base/metrics/histogram_functions.h"
#include "sql/database.h"
#include "sql/meta_table.h"
#include "sql/sqlite_result_code_values.h"
#include "sql/statement.h"

namespace content {

MediaLicenseStorageHostOpenError;

namespace {

static const int kVersionNumber = …;

const char kUmaPrefix[] = …;
const char kUmaPrefixWithPeriod[] = …;

}  // namespace

MediaLicenseDatabase::MediaLicenseDatabase(const base::FilePath& path)
    : … { … }

MediaLicenseDatabase::~MediaLicenseDatabase() = default;

MediaLicenseStorageHostOpenError MediaLicenseDatabase::OpenFile(
    const media::CdmType& cdm_type,
    const std::string& file_name) { … }

std::optional<std::vector<uint8_t>> MediaLicenseDatabase::ReadFile(
    const media::CdmType& cdm_type,
    const std::string& file_name) { … }

bool MediaLicenseDatabase::WriteFile(const media::CdmType& cdm_type,
                                     const std::string& file_name,
                                     const std::vector<uint8_t>& data) { … }

bool MediaLicenseDatabase::DeleteFile(const media::CdmType& cdm_type,
                                      const std::string& file_name) { … }

bool MediaLicenseDatabase::ClearDatabase() { … }

uint64_t MediaLicenseDatabase::GetDatabaseSize() { … }

// Opens and sets up a database if one is not already set up.
MediaLicenseStorageHostOpenError MediaLicenseDatabase::OpenDatabase(
    bool is_retry) { … }

void MediaLicenseDatabase::OnDatabaseError(int error, sql::Statement* stmt) { … }

}  // namespace content