#pragma once
#if ENABLE(ENCRYPTED_MEDIA)
#include "ContextDestructionObserver.h"
#include "MediaKeySystemConfiguration.h"
#include "SharedBuffer.h"
#include <wtf/Function.h>
#include <wtf/HashSet.h>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
#include <wtf/WeakPtr.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class CDM;
class CDMInstance;
class CDMPrivate;
class Document;
class ScriptExecutionContext;
class SharedBuffer;
struct MediaKeysRestrictions;
class CDMFactory {
public:
virtual ~CDMFactory() { };
virtual std::unique_ptr<CDMPrivate> createCDM(CDM&) = 0;
virtual bool supportsKeySystem(const String&) = 0;
};
class CDM : public RefCounted<CDM>, private ContextDestructionObserver {
public:
WEBCORE_EXPORT static void registerCDMFactory(CDMFactory&);
WEBCORE_EXPORT static void unregisterCDMFactory(CDMFactory&);
static bool supportsKeySystem(const String&);
static bool isPersistentType(MediaKeySessionType);
static Ref<CDM> create(Document&, const String& keySystem);
~CDM();
using SupportedConfigurationCallback = WTF::Function<void(std::optional<MediaKeySystemConfiguration>)>;
void getSupportedConfiguration(MediaKeySystemConfiguration&& candidateConfiguration, SupportedConfigurationCallback&&);
const String& keySystem() const { return m_keySystem; }
void loadAndInitialize();
RefPtr<CDMInstance> createInstance();
bool supportsServerCertificates() const;
bool supportsSessions() const;
bool supportsInitDataType(const AtomicString&) const;
RefPtr<SharedBuffer> sanitizeInitData(const AtomicString& initDataType, const SharedBuffer&);
bool supportsInitData(const AtomicString& initDataType, const SharedBuffer&);
RefPtr<SharedBuffer> sanitizeResponse(const SharedBuffer&);
std::optional<String> sanitizeSessionId(const String& sessionId);
private:
CDM(Document&, const String& keySystem);
enum class ConfigurationStatus {
Supported,
NotSupported,
ConsentDenied,
};
enum class ConsentStatus {
ConsentDenied,
InformUser,
Allowed,
};
enum class AudioVideoType {
Audio,
Video,
};
void doSupportedConfigurationStep(MediaKeySystemConfiguration&& candidateConfiguration, MediaKeysRestrictions&&, SupportedConfigurationCallback&&);
std::optional<MediaKeySystemConfiguration> getSupportedConfiguration(const MediaKeySystemConfiguration& candidateConfiguration, MediaKeysRestrictions&);
std::optional<Vector<MediaKeySystemMediaCapability>> getSupportedCapabilitiesForAudioVideoType(AudioVideoType, const Vector<MediaKeySystemMediaCapability>& requestedCapabilities, const MediaKeySystemConfiguration& partialConfiguration, MediaKeysRestrictions&);
WeakPtr<CDM> createWeakPtr() { return m_weakPtrFactory.createWeakPtr(); }
using ConsentStatusCallback = WTF::Function<void(ConsentStatus, MediaKeySystemConfiguration&&, MediaKeysRestrictions&&)>;
void getConsentStatus(MediaKeySystemConfiguration&& accumulatedConfiguration, MediaKeysRestrictions&&, ConsentStatusCallback&&);
String m_keySystem;
std::unique_ptr<CDMPrivate> m_private;
WeakPtrFactory<CDM> m_weakPtrFactory;
};
}
#endif