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/*
* Copyright 2015, Mozilla Foundation and contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __ClearKeyPersistence_h__
#define __ClearKeyPersistence_h__
// This include is required in order for content_decryption_module to work
// on Unix systems.
#include <stddef.h>
#include <functional>
#include <set>
#include <string>
#include <vector>
#include "content_decryption_module.h"
#include "RefCounted.h"
class ClearKeySessionManager;
// Whether we've loaded the persistent session ids yet.
enum PersistentKeyState { UNINITIALIZED, LOADING, LOADED };
class ClearKeyPersistence : public RefCounted {
public:
explicit ClearKeyPersistence(cdm::Host_10* aHost);
void EnsureInitialized(bool aPersistentStateAllowed,
std::function<void()>&& aOnInitialized);
bool IsLoaded() const;
std::string GetNewSessionId(cdm::SessionType aSessionType);
bool IsPersistentSessionId(const std::string& aSid);
void PersistentSessionRemoved(std::string& aSid);
private:
cdm::Host_10* mHost = nullptr;
PersistentKeyState mPersistentKeyState = PersistentKeyState::UNINITIALIZED;
std::set<uint32_t> mPersistentSessionIds;
void ReadAllRecordsFromIndex(std::function<void()>&& aOnComplete);
void WriteIndex();
};
#endif // __ClearKeyPersistence_h__
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