1 files changed, 142 insertions, 0 deletions
diff --git a/dom/media/eme/MediaKeySession.h b/dom/media/eme/MediaKeySession.h
new file mode 100644
index 0000000000..e19488c311
--- /dev/null
+++ b/dom/media/eme/MediaKeySession.h
@@ -0,0 +1,142 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_MediaKeySession_h
+#define mozilla_dom_MediaKeySession_h
+
+#include "DecoderDoctorLogger.h"
+#include "mozilla/Attributes.h"
+#include "nsCycleCollectionParticipant.h"
+#include "mozilla/DOMEventTargetHelper.h"
+#include "nsCOMPtr.h"
+#include "mozilla/dom/TypedArray.h"
+#include "mozilla/Mutex.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/DetailedPromise.h"
+#include "mozilla/dom/MediaKeySessionBinding.h"
+#include "mozilla/dom/MediaKeysBinding.h"
+#include "mozilla/dom/MediaKeyMessageEventBinding.h"
+
+struct JSContext;
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+class MediaKeySession;
+}  // namespace dom
+DDLoggedTypeName(dom::MediaKeySession);
+
+namespace dom {
+
+class ArrayBufferViewOrArrayBuffer;
+class MediaKeyError;
+class MediaKeyStatusMap;
+
+nsCString ToCString(MediaKeySessionType aType);
+
+nsString ToString(MediaKeySessionType aType);
+
+class MediaKeySession final : public DOMEventTargetHelper,
+                              public DecoderDoctorLifeLogger<MediaKeySession> {
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaKeySession,
+                                           DOMEventTargetHelper)
+ public:
+  MediaKeySession(nsPIDOMWindowInner* aParent, MediaKeys* aKeys,
+                  const nsAString& aKeySystem, MediaKeySessionType aSessionType,
+                  ErrorResult& aRv);
+
+  void SetSessionId(const nsAString& aSessionId);
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  // Mark this as resultNotAddRefed to return raw pointers
+  MediaKeyError* GetError() const;
+
+  MediaKeyStatusMap* KeyStatuses() const;
+
+  void GetSessionId(nsString& aRetval) const;
+
+  const nsString& GetSessionId() const;
+
+  // Number of ms since epoch at which expiration occurs, or NaN if unknown.
+  // TODO: The type of this attribute is still under contention.
+  // https://www.w3.org/Bugs/Public/show_bug.cgi?id=25902
+  double Expiration() const;
+
+  Promise* Closed() const;
+
+  already_AddRefed<Promise> GenerateRequest(
+      const nsAString& aInitDataType,
+      const ArrayBufferViewOrArrayBuffer& aInitData, ErrorResult& aRv);
+
+  already_AddRefed<Promise> Load(const nsAString& aSessionId, ErrorResult& aRv);
+
+  already_AddRefed<Promise> Update(const ArrayBufferViewOrArrayBuffer& response,
+                                   ErrorResult& aRv);
+
+  already_AddRefed<Promise> Close(ErrorResult& aRv);
+
+  already_AddRefed<Promise> Remove(ErrorResult& aRv);
+
+  void DispatchKeyMessage(MediaKeyMessageType aMessageType,
+                          const nsTArray<uint8_t>& aMessage);
+
+  void DispatchKeyError(uint32_t system_code);
+
+  void DispatchKeyStatusesChange();
+
+  void OnClosed();
+
+  bool IsClosed() const;
+
+  void SetExpiration(double aExpiry);
+
+  mozilla::dom::EventHandlerNonNull* GetOnkeystatuseschange();
+  void SetOnkeystatuseschange(mozilla::dom::EventHandlerNonNull* aCallback);
+
+  mozilla::dom::EventHandlerNonNull* GetOnmessage();
+  void SetOnmessage(mozilla::dom::EventHandlerNonNull* aCallback);
+
+  // Process-unique identifier.
+  uint32_t Token() const;
+
+ private:
+  ~MediaKeySession();
+
+  void UpdateKeyStatusMap();
+
+  bool IsCallable() const {
+    // The EME spec sets the "callable value" to true whenever the CDM sets
+    // the sessionId. When the session is initialized, sessionId is empty and
+    // callable is thus false.
+    return !mSessionId.IsEmpty();
+  }
+
+  already_AddRefed<DetailedPromise> MakePromise(ErrorResult& aRv,
+                                                const nsACString& aName);
+
+  RefPtr<DetailedPromise> mClosed;
+
+  RefPtr<MediaKeyError> mMediaKeyError;
+  RefPtr<MediaKeys> mKeys;
+  const nsString mKeySystem;
+  nsString mSessionId;
+  const MediaKeySessionType mSessionType;
+  const uint32_t mToken;
+  bool mIsClosed;
+  bool mUninitialized;
+  RefPtr<MediaKeyStatusMap> mKeyStatusMap;
+  double mExpiration;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif