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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/media/eme/CDMCaps.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/eme/CDMCaps.h')
-rw-r--r--dom/media/eme/CDMCaps.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/dom/media/eme/CDMCaps.h b/dom/media/eme/CDMCaps.h
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+/* -*- 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 CDMCaps_h_
+#define CDMCaps_h_
+
+#include "nsTArray.h"
+#include "nsString.h"
+#include "SamplesWaitingForKey.h"
+
+#include "mozilla/Monitor.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/MediaKeyStatusMapBinding.h" // For MediaKeyStatus
+#include "mozilla/dom/BindingDeclarations.h" // For Optional
+
+namespace mozilla {
+
+// CDM capabilities; what keys a CDMProxy can use.
+// Must be locked to access state.
+class CDMCaps {
+ public:
+ CDMCaps();
+ ~CDMCaps();
+
+ struct KeyStatus {
+ KeyStatus(const CencKeyId& aId, const nsString& aSessionId,
+ dom::MediaKeyStatus aStatus)
+ : mId(aId.Clone()), mSessionId(aSessionId), mStatus(aStatus) {}
+ KeyStatus(const KeyStatus& aOther)
+ : mId(aOther.mId.Clone()),
+ mSessionId(aOther.mSessionId),
+ mStatus(aOther.mStatus) {}
+ bool operator==(const KeyStatus& aOther) const {
+ return mId == aOther.mId && mSessionId == aOther.mSessionId;
+ };
+
+ CencKeyId mId;
+ nsString mSessionId;
+ dom::MediaKeyStatus mStatus;
+ };
+
+ bool IsKeyUsable(const CencKeyId& aKeyId);
+
+ // Returns true if key status changed,
+ // i.e. the key status changed from usable to expired.
+ bool SetKeyStatus(const CencKeyId& aKeyId, const nsString& aSessionId,
+ const dom::Optional<dom::MediaKeyStatus>& aStatus);
+
+ void GetKeyStatusesForSession(const nsAString& aSessionId,
+ nsTArray<KeyStatus>& aOutKeyStatuses);
+
+ // Ensures all keys for a session are marked as 'unknown', i.e. removed.
+ // Returns true if a key status was changed.
+ bool RemoveKeysForSession(const nsString& aSessionId);
+
+ // Notifies the SamplesWaitingForKey when key become usable.
+ void NotifyWhenKeyIdUsable(const CencKeyId& aKey,
+ SamplesWaitingForKey* aSamplesWaiting);
+
+ private:
+ struct WaitForKeys {
+ WaitForKeys(const CencKeyId& aKeyId, SamplesWaitingForKey* aListener)
+ : mKeyId(aKeyId.Clone()), mListener(aListener) {}
+ CencKeyId mKeyId;
+ RefPtr<SamplesWaitingForKey> mListener;
+ };
+
+ nsTArray<KeyStatus> mKeyStatuses;
+
+ nsTArray<WaitForKeys> mWaitForKeys;
+
+ // It is not safe to copy this object.
+ CDMCaps(const CDMCaps&) = delete;
+ CDMCaps& operator=(const CDMCaps&) = delete;
+};
+
+} // namespace mozilla
+
+#endif