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/*
* Copyright (C) 2014 Igalia S.L
* Copyright (C) 2016-2025 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(VIDEO)
#include <WebCore/CachedRawResourceClient.h>
#include <WebCore/CachedResourceHandle.h>
#include <WebCore/ContextDestructionObserver.h>
#include <WebCore/FetchOptions.h>
#include <WebCore/PlatformMediaResourceLoader.h>
#include <WebCore/ResourceResponse.h>
#include <wtf/Atomics.h>
#include <wtf/HashSet.h>
#include <wtf/Ref.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakHashSet.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class CachedRawResource;
class Document;
class Element;
class MediaResource;
class WeakPtrImplWithEventTargetData;
enum class LoadedFromOpaqueSource : bool;
class MediaResourceLoader final : public PlatformMediaResourceLoader, public ContextDestructionObserver {
WTF_MAKE_TZONE_ALLOCATED_EXPORT(MediaResourceLoader, WEBCORE_EXPORT);
public:
static Ref<MediaResourceLoader> create(Document& document, Element& element, const String& crossOriginMode, FetchOptions::Destination destination) { return adoptRef(*new MediaResourceLoader(document, element, crossOriginMode, destination)); }
WEBCORE_EXPORT virtual ~MediaResourceLoader();
// ContextDestructionObserver.
void ref() const final { PlatformMediaResourceLoader::ref(); }
void deref() const final { PlatformMediaResourceLoader::deref(); }
RefPtr<PlatformMediaResource> requestResource(ResourceRequest&&, LoadOptions) final;
void sendH2Ping(const URL&, CompletionHandler<void(Expected<Seconds, ResourceError>&&)>&&) final;
void removeResource(MediaResource&);
Document* document();
RefPtr<Document> protectedDocument();
const String& crossOriginMode() const;
WEBCORE_EXPORT static void recordResponsesForTesting();
WEBCORE_EXPORT Vector<ResourceResponse> responsesForTesting() const;
void addResponseForTesting(const ResourceResponse&);
bool verifyMediaResponse(const URL& requestURL, const ResourceResponse&, const SecurityOrigin*);
void redirectReceived(const URL&);
private:
WEBCORE_EXPORT MediaResourceLoader(Document&, Element&, const String& crossOriginMode, FetchOptions::Destination);
void contextDestroyed() final;
WeakPtr<Document, WeakPtrImplWithEventTargetData> m_document WTF_GUARDED_BY_CAPABILITY(mainThread);
WeakPtr<Element, WeakPtrImplWithEventTargetData> m_element WTF_GUARDED_BY_CAPABILITY(mainThread);
String m_crossOriginMode WTF_GUARDED_BY_CAPABILITY(mainThread);
SingleThreadWeakHashSet<MediaResource> m_resources WTF_GUARDED_BY_CAPABILITY(mainThread);
Vector<ResourceResponse> m_responsesForTesting WTF_GUARDED_BY_CAPABILITY(mainThread);
FetchOptions::Destination m_destination WTF_GUARDED_BY_CAPABILITY(mainThread);
struct ValidationInformation {
RefPtr<const SecurityOrigin> origin;
bool usedOpaqueResponse { false };
bool usedServiceWorker { false };
};
HashMap<URL, ValidationInformation> m_validationLoadInformations WTF_GUARDED_BY_CAPABILITY(mainThread);
HashSet<URL> m_nonOpaqueLoadURLs;
std::optional<LoadedFromOpaqueSource> m_loadedFromOpaqueSource;
};
class MediaResource : public PlatformMediaResource, public CachedRawResourceClient {
WTF_MAKE_TZONE_ALLOCATED(MediaResource);
public:
static Ref<MediaResource> create(MediaResourceLoader&, CachedResourceHandle<CachedRawResource>&&);
virtual ~MediaResource();
// PlatformMediaResource
void shutdown() override;
bool didPassAccessControlCheck() const override { return m_didPassAccessControlCheck.load(); }
// CachedRawResourceClient
void ref() const final { PlatformMediaResource::ref(); }
void deref() const final { PlatformMediaResource::deref(); }
void responseReceived(const CachedResource&, const ResourceResponse&, CompletionHandler<void()>&&) override;
void redirectReceived(CachedResource&, ResourceRequest&&, const ResourceResponse&, CompletionHandler<void(ResourceRequest&&)>&&) override;
bool shouldCacheResponse(CachedResource&, const ResourceResponse&) override;
void dataSent(CachedResource&, unsigned long long, unsigned long long) override;
void dataReceived(CachedResource&, const SharedBuffer&) override;
void notifyFinished(CachedResource&, const NetworkLoadMetrics&, LoadWillContinueInAnotherProcess) override;
private:
CachedResourceHandle<CachedRawResource> protectedResource() const;
MediaResource(MediaResourceLoader&, CachedResourceHandle<CachedRawResource>&&);
void ensureShutdown();
const Ref<MediaResourceLoader> m_loader;
Atomic<bool> m_didPassAccessControlCheck { false };
CachedResourceHandle<CachedRawResource> m_resource;
};
} // namespace WebCore
#endif // ENABLE(VIDEO)
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