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/*
* Copyright (C) 2014 Igalia S.L
*
* 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. ``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
* 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 "PolicyChecker.h"
#include "SharedBuffer.h"
#include <wtf/CompletionHandler.h>
#include <wtf/Expected.h>
#include <wtf/Lock.h>
#include <wtf/MainThreadDispatcher.h>
#include <wtf/Noncopyable.h>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
#include <wtf/TZoneMallocInlines.h>
#include <wtf/ThreadSafeRefCounted.h>
namespace WebCore {
class PlatformMediaResource;
class ResourceError;
class ResourceRequest;
class ResourceResponse;
class PlatformMediaResourceClient : public ThreadSafeRefCounted<PlatformMediaResourceClient> {
public:
virtual ~PlatformMediaResourceClient() = default;
// Those methods must be called on PlatformMediaResourceLoader::targetDispatcher()
virtual void responseReceived(PlatformMediaResource&, const ResourceResponse&, CompletionHandler<void(ShouldContinuePolicyCheck)>&& completionHandler) { completionHandler(ShouldContinuePolicyCheck::Yes); }
virtual void redirectReceived(PlatformMediaResource&, ResourceRequest&& request, const ResourceResponse&, CompletionHandler<void(ResourceRequest&&)>&& completionHandler) { completionHandler(WTFMove(request)); }
virtual bool shouldCacheResponse(PlatformMediaResource&, const ResourceResponse&) { return true; }
virtual void dataSent(PlatformMediaResource&, unsigned long long, unsigned long long) { }
virtual void dataReceived(PlatformMediaResource&, const SharedBuffer&) { RELEASE_ASSERT_NOT_REACHED(); }
virtual void accessControlCheckFailed(PlatformMediaResource&, const ResourceError&) { }
virtual void loadFailed(PlatformMediaResource&, const ResourceError&) { }
virtual void loadFinished(PlatformMediaResource&, const NetworkLoadMetrics&) { }
virtual bool isWebCoreNSURLSessionDataTaskClient() const { return false; }
};
class PlatformMediaResourceLoader : public ThreadSafeRefCounted<PlatformMediaResourceLoader, WTF::DestructionThread::Main> {
WTF_MAKE_TZONE_ALLOCATED_INLINE(PlatformMediaResourceLoader);
WTF_MAKE_NONCOPYABLE(PlatformMediaResourceLoader);
public:
enum LoadOption {
BufferData = 1 << 0,
DisallowCaching = 1 << 1,
};
typedef unsigned LoadOptions;
virtual ~PlatformMediaResourceLoader() = default;
virtual void sendH2Ping(const URL&, CompletionHandler<void(Expected<Seconds, ResourceError>&&)>&&) = 0;
// Can be called on any threads. Return the function dispatcher on which the PlaftormMediaResource and PlatformMediaResourceClient must be be called on.
virtual Ref<GuaranteedSerialFunctionDispatcher> targetDispatcher() { return MainThreadDispatcher::singleton(); }
// requestResource will be called on the main thread, the PlatformMediaResource object is to be used on targetDispatcher().
virtual RefPtr<PlatformMediaResource> requestResource(ResourceRequest&&, LoadOptions) = 0;
protected:
PlatformMediaResourceLoader() = default;
};
class PlatformMediaResource : public ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<PlatformMediaResource> {
WTF_MAKE_TZONE_ALLOCATED_INLINE(PlatformMediaResource);
WTF_MAKE_NONCOPYABLE(PlatformMediaResource);
public:
// Called on the main thread.
PlatformMediaResource() = default;
// Can be called on any threads, must be made thread-safe.
virtual bool didPassAccessControlCheck() const { return false; }
// Can be called on any thread.
virtual ~PlatformMediaResource() = default;
virtual void shutdown() { }
void setClient(RefPtr<PlatformMediaResourceClient>&& client)
{
Locker locker { m_lock };
m_client = WTFMove(client);
}
RefPtr<PlatformMediaResourceClient> client() const
{
Locker locker { m_lock };
return m_client;
}
private:
RefPtr<PlatformMediaResourceClient> m_client WTF_GUARDED_BY_LOCK(m_lock);
mutable Lock m_lock;
};
} // namespace WebCore
#endif
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