/*
 * Copyright (C) 2009 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER 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
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef WebDataSourceImpl_h
#define WebDataSourceImpl_h

#include "core/loader/DocumentLoader.h"
#include "platform/exported/WrappedResourceRequest.h"
#include "platform/exported/WrappedResourceResponse.h"
#include "platform/heap/Handle.h"
#include "platform/weborigin/KURL.h"
#include "public/web/WebDataSource.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/Vector.h"

namespace blink {

class WebDataSourceImpl final : public DocumentLoader, public WebDataSource {
public:
    static PassRefPtrWillBeRawPtr<WebDataSourceImpl> create(LocalFrame*, const ResourceRequest&, const SubstituteData&);

    static WebDataSourceImpl* fromDocumentLoader(DocumentLoader* loader)
    {
        return static_cast<WebDataSourceImpl*>(loader);
    }

    // WebDataSource methods:
    const WebURLRequest& originalRequest() const override;
    const WebURLRequest& request() const override;
    const WebURLResponse& response() const override;
    bool hasUnreachableURL() const override;
    WebURL unreachableURL() const override;
    void appendRedirect(const WebURL&) override;
    void redirectChain(WebVector<WebURL>&) const override;
    bool isClientRedirect() const override;
    bool replacesCurrentHistoryItem() const override;
    WebNavigationType navigationType() const override;
    ExtraData* getExtraData() const override;
    void setExtraData(ExtraData*) override;
    void setNavigationStartTime(double) override;

    static WebNavigationType toWebNavigationType(NavigationType);

    DECLARE_VIRTUAL_TRACE();

private:
    WebDataSourceImpl(LocalFrame*, const ResourceRequest&, const SubstituteData&);
    ~WebDataSourceImpl() override;
    void detachFromFrame() override;
    String debugName() const override { return "WebDataSourceImpl"; }

    // Mutable because the const getters will magically sync these to the
    // latest version from WebKit.
    mutable WrappedResourceRequest m_originalRequestWrapper;
    mutable WrappedResourceRequest m_requestWrapper;
    mutable WrappedResourceResponse m_responseWrapper;

    OwnPtr<ExtraData> m_extraData;
};

} // namespace blink

#endif  // WebDataSourceImpl_h