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/*
* Copyright (C) 2017 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
#include "APIObject.h"
#include "WebProcessProxy.h"
#include <WebCore/ResourceRequest.h>
#include <WebCore/ResourceResponse.h>
#include <WebCore/SharedBuffer.h>
#include <wtf/CompletionHandler.h>
#include <wtf/InstanceCounted.h>
#include <wtf/Lock.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
namespace API {
class FrameInfo;
}
namespace WebCore {
class ResourceError;
class ResourceResponse;
}
namespace WebKit {
struct URLSchemeTaskParameters;
class WebURLSchemeHandler;
class WebPageProxy;
using SyncLoadCompletionHandler = CompletionHandler<void(const WebCore::ResourceResponse&, const WebCore::ResourceError&, Vector<uint8_t>&&)>;
class WebURLSchemeTask : public API::ObjectImpl<API::Object::Type::URLSchemeTask>, public InstanceCounted<WebURLSchemeTask> {
WTF_MAKE_NONCOPYABLE(WebURLSchemeTask);
public:
static Ref<WebURLSchemeTask> create(WebURLSchemeHandler&, WebPageProxy&, WebProcessProxy&, WebCore::PageIdentifier, URLSchemeTaskParameters&&, SyncLoadCompletionHandler&&);
~WebURLSchemeTask();
WebCore::ResourceLoaderIdentifier resourceLoaderID() const { ASSERT(RunLoop::isMain()); return m_resourceLoaderID; }
WebPageProxyIdentifier pageProxyID() const { ASSERT(RunLoop::isMain()); return m_pageProxyID; }
WebCore::PageIdentifier webPageID() const { ASSERT(RunLoop::isMain()); return m_webPageID; }
WebProcessProxy* process() { ASSERT(RunLoop::isMain()); return m_process.get(); }
WebCore::ResourceRequest request() const;
API::FrameInfo& frameInfo() const { return m_frameInfo.get(); }
#if PLATFORM(COCOA)
NSURLRequest *nsRequest() const;
#endif
enum class ExceptionType {
DataAlreadySent,
CompleteAlreadyCalled,
RedirectAfterResponse,
TaskAlreadyStopped,
NoResponseSent,
WaitingForRedirectCompletionHandler,
None,
};
ExceptionType willPerformRedirection(WebCore::ResourceResponse&&, WebCore::ResourceRequest&&, Function<void(WebCore::ResourceRequest&&)>&&);
ExceptionType didPerformRedirection(WebCore::ResourceResponse&&, WebCore::ResourceRequest&&);
ExceptionType didReceiveResponse(const WebCore::ResourceResponse&);
ExceptionType didReceiveData(Ref<WebCore::SharedBuffer>&&);
ExceptionType didComplete(const WebCore::ResourceError&);
void stop();
void pageDestroyed();
void suppressTaskStoppedExceptions() { m_shouldSuppressTaskStoppedExceptions = true; }
bool waitingForRedirectCompletionHandlerCallback() const { return m_waitingForRedirectCompletionHandlerCallback; }
private:
WebURLSchemeTask(WebURLSchemeHandler&, WebPageProxy&, WebProcessProxy&, WebCore::PageIdentifier, URLSchemeTaskParameters&&, SyncLoadCompletionHandler&&);
bool isSync() const { return !!m_syncCompletionHandler; }
Ref<WebURLSchemeHandler> m_urlSchemeHandler;
RefPtr<WebProcessProxy> m_process;
WebCore::ResourceLoaderIdentifier m_resourceLoaderID;
WebPageProxyIdentifier m_pageProxyID;
WebCore::PageIdentifier m_webPageID;
WebCore::ResourceRequest m_request WTF_GUARDED_BY_LOCK(m_requestLock);
Ref<API::FrameInfo> m_frameInfo;
mutable Lock m_requestLock;
bool m_stopped { false };
bool m_responseSent { false };
bool m_dataSent { false };
bool m_completed { false };
bool m_shouldSuppressTaskStoppedExceptions { false };
SyncLoadCompletionHandler m_syncCompletionHandler;
WebCore::ResourceResponse m_syncResponse;
WebCore::SharedBufferBuilder m_syncData;
bool m_waitingForRedirectCompletionHandlerCallback { false };
};
} // namespace WebKit
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