1 files changed, 92 insertions, 0 deletions
diff --git a/Source/WebCore/Modules/encryptedmedia/CDMInstance.h b/Source/WebCore/Modules/encryptedmedia/CDMInstance.h
new file mode 100644
index 000000000..d4d84d86e
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+++ b/Source/WebCore/Modules/encryptedmedia/CDMInstance.h
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+/*
+ * Copyright (C) 2017 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#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