| /* |
| * Copyright (C) 2013 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(LEGACY_ENCRYPTED_MEDIA) |
| |
| #include "ActiveDOMObject.h" |
| #include "EventTarget.h" |
| #include "ExceptionOr.h" |
| #include "GenericEventQueue.h" |
| #include "LegacyCDMSession.h" |
| #include "Timer.h" |
| #include <JavaScriptCore/Uint8Array.h> |
| #include <wtf/Deque.h> |
| |
| namespace WebCore { |
| |
| class WebKitMediaKeyError; |
| class WebKitMediaKeys; |
| |
| class WebKitMediaKeySession final : public RefCounted<WebKitMediaKeySession>, public EventTargetWithInlineData, private ActiveDOMObject, private LegacyCDMSessionClient { |
| WTF_MAKE_ISO_ALLOCATED(WebKitMediaKeySession); |
| public: |
| static Ref<WebKitMediaKeySession> create(ScriptExecutionContext&, WebKitMediaKeys&, const String& keySystem); |
| ~WebKitMediaKeySession(); |
| |
| WebKitMediaKeyError* error() { return m_error.get(); } |
| const String& keySystem() const { return m_keySystem; } |
| const String& sessionId() const { return m_sessionId; } |
| ExceptionOr<void> update(Ref<Uint8Array>&& key); |
| void close(); |
| |
| LegacyCDMSession* session() { return m_session.get(); } |
| |
| void detachKeys() { m_keys = nullptr; } |
| |
| void generateKeyRequest(const String& mimeType, Ref<Uint8Array>&& initData); |
| RefPtr<ArrayBuffer> cachedKeyForKeyId(const String& keyId) const; |
| |
| using RefCounted::ref; |
| using RefCounted::deref; |
| |
| bool hasPendingActivity() const final; |
| |
| private: |
| WebKitMediaKeySession(ScriptExecutionContext&, WebKitMediaKeys&, const String& keySystem); |
| void keyRequestTimerFired(); |
| void addKeyTimerFired(); |
| |
| void sendMessage(Uint8Array*, String destinationURL) final; |
| void sendError(MediaKeyErrorCode, uint32_t systemCode) final; |
| String mediaKeysStorageDirectory() const final; |
| |
| void refEventTarget() final { ref(); } |
| void derefEventTarget() final { deref(); } |
| |
| void suspend(ReasonForSuspension) final; |
| void resume() final; |
| void stop() final; |
| bool canSuspendForDocumentSuspension() const final; |
| const char* activeDOMObjectName() const final; |
| |
| EventTargetInterface eventTargetInterface() const final { return WebKitMediaKeySessionEventTargetInterfaceType; } |
| ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); } |
| |
| WebKitMediaKeys* m_keys; |
| String m_keySystem; |
| String m_sessionId; |
| RefPtr<WebKitMediaKeyError> m_error; |
| GenericEventQueue m_asyncEventQueue; |
| std::unique_ptr<LegacyCDMSession> m_session; |
| |
| struct PendingKeyRequest { |
| String mimeType; |
| Ref<Uint8Array> initData; |
| }; |
| Deque<PendingKeyRequest> m_pendingKeyRequests; |
| Timer m_keyRequestTimer; |
| |
| Deque<Ref<Uint8Array>> m_pendingKeys; |
| Timer m_addKeyTimer; |
| }; |
| |
| } |
| |
| #endif // ENABLE(LEGACY_ENCRYPTED_MEDIA) |