#pragma once
#if ENABLE(ENCRYPTED_MEDIA)
#include "MediaKeyMessageType.h"
#include "MediaKeySessionType.h"
#include "MediaKeyStatus.h"
#include <utility>
#include <wtf/Forward.h>
#include <wtf/Optional.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
struct MediaKeySystemConfiguration;
class SharedBuffer;
class CDMInstance : public RefCounted<CDMInstance> {
public:
virtual ~CDMInstance() { }
enum SuccessValue {
Failed,
Succeeded,
};
using LicenseType = MediaKeySessionType;
using KeyStatus = MediaKeyStatus;
using MessageType = MediaKeyMessageType;
virtual SuccessValue initializeWithConfiguration(const MediaKeySystemConfiguration&) = 0;
virtual SuccessValue setDistinctiveIdentifiersAllowed(bool) = 0;
virtual SuccessValue setPersistentStateAllowed(bool) = 0;
virtual SuccessValue setServerCertificate(Ref<SharedBuffer>&&) = 0;
using LicenseCallback = Function<void(Ref<SharedBuffer>&& message, const String& sessionId, bool needsIndividualization, SuccessValue succeeded)>;
virtual void requestLicense(LicenseType, const AtomicString& initDataType, Ref<SharedBuffer>&& initData, LicenseCallback) = 0;
using KeyStatusVector = Vector<std::pair<Ref<SharedBuffer>, KeyStatus>>;
using Message = std::pair<MessageType, Ref<SharedBuffer>>;
using LicenseUpdateCallback = Function<void(bool sessionWasClosed, std::optional<KeyStatusVector>&& changedKeys, std::optional<double>&& changedExpiration, std::optional<Message>&& message, SuccessValue succeeded)>;
virtual void updateLicense(const String& sessionId, LicenseType, const SharedBuffer& response, LicenseUpdateCallback) = 0;
enum class SessionLoadFailure {
None,
NoSessionData,
MismatchedSessionType,
QuotaExceeded,
Other,
};
using LoadSessionCallback = Function<void(std::optional<KeyStatusVector>&&, std::optional<double>&&, std::optional<Message>&&, SuccessValue, SessionLoadFailure)>;
virtual void loadSession(LicenseType, const String& sessionId, const String& origin, LoadSessionCallback) = 0;
using CloseSessionCallback = Function<void()>;
virtual void closeSession(const String& sessionId, CloseSessionCallback) = 0;
using RemoveSessionDataCallback = Function<void(KeyStatusVector&&, std::optional<Ref<SharedBuffer>>&&, SuccessValue)>;
virtual void removeSessionData(const String& sessionId, LicenseType, RemoveSessionDataCallback) = 0;
virtual void storeRecordOfKeyUsage(const String& sessionId) = 0;
};
}
#endif