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/*
* Copyright (C) 2016 Canon Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted, provided that the following conditions
* are required to be 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.
* 3. Neither the name of Canon Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY CANON 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 CANON INC. AND 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
#include <WebCore/ThreadableLoader.h>
#include <WebCore/ThreadableLoaderClient.h>
#include <WebCore/URLKeepingBlobAlive.h>
#include <wtf/CheckedPtr.h>
#include <wtf/URL.h>
namespace WebCore {
class Blob;
class FetchBodyConsumer;
class FetchLoaderClient;
class FetchRequest;
class ScriptExecutionContext;
class FragmentedSharedBuffer;
DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(FetchLoader);
class WEBCORE_EXPORT FetchLoader final : public RefCounted<FetchLoader>, public ThreadableLoaderClient {
WTF_DEPRECATED_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(FetchLoader, FetchLoader);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(FetchLoader);
public:
static Ref<FetchLoader> create(FetchLoaderClient&, FetchBodyConsumer*);
~FetchLoader();
RefPtr<FragmentedSharedBuffer> startStreaming();
void start(ScriptExecutionContext&, const FetchRequest&, const String&);
void start(ScriptExecutionContext&, const Blob&);
void startLoadingBlobURL(ScriptExecutionContext&, const URL& blobURL);
void stop();
bool isStarted() const { return m_isStarted; }
private:
FetchLoader(FetchLoaderClient&, FetchBodyConsumer*);
// ThreadableLoaderClient API.
void didReceiveResponse(ScriptExecutionContextIdentifier, std::optional<ResourceLoaderIdentifier>, const ResourceResponse&) final;
void didReceiveData(const SharedBuffer&) final;
void didFinishLoading(ScriptExecutionContextIdentifier, std::optional<ResourceLoaderIdentifier>, const NetworkLoadMetrics&) final;
void didFail(std::optional<ScriptExecutionContextIdentifier>, const ResourceError&) final;
private:
WeakPtr<FetchLoaderClient> m_client;
RefPtr<ThreadableLoader> m_loader;
WeakPtr<FetchBodyConsumer> m_consumer;
bool m_isStarted { false };
URLKeepingBlobAlive m_urlForReading;
};
} // namespace WebCore
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