/*

 * Copyright (C) 2006, 2007 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 COMPUTER, 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 COMPUTER, 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. 

 */

#ifndef WebDataSource_H

#define WebDataSource_H

#include "WebKit.h"

#include "COMPtr.h"

#include <WTF/RefPtr.h>

class WebDocumentLoader;

class WebMutableURLRequest;

extern const GUID IID_WebDataSource;

class WebDataSource : public IWebDataSource, public IWebDataSourcePrivate

{

public:

    static WebDataSource* createInstance(WebDocumentLoader*);

protected:

    WebDataSource(WebDocumentLoader*);

    ~WebDataSource();

public:

    // IUnknown

    virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject);

    virtual ULONG STDMETHODCALLTYPE AddRef(void);

    virtual ULONG STDMETHODCALLTYPE Release(void);

    // IWebDataSource

    virtual HRESULT STDMETHODCALLTYPE initWithRequest( 

        /* [in] */ IWebURLRequest *request);

    virtual HRESULT STDMETHODCALLTYPE data( 

        /* [retval][out] */ IStream **stream);

    virtual HRESULT STDMETHODCALLTYPE representation( 

        /* [retval][out] */ IWebDocumentRepresentation **rep);

    virtual HRESULT STDMETHODCALLTYPE webFrame( 

        /* [retval][out] */ IWebFrame **frame);

    virtual HRESULT STDMETHODCALLTYPE initialRequest( 

        /* [retval][out] */ IWebURLRequest **request);

    virtual HRESULT STDMETHODCALLTYPE request( 

        /* [retval][out] */ IWebMutableURLRequest **request);

    virtual HRESULT STDMETHODCALLTYPE response( 

        /* [retval][out] */ IWebURLResponse **response);

    virtual HRESULT STDMETHODCALLTYPE textEncodingName( 

        /* [retval][out] */ BSTR *name);

    virtual HRESULT STDMETHODCALLTYPE isLoading( 

        /* [retval][out] */ BOOL *loading);

    virtual HRESULT STDMETHODCALLTYPE pageTitle( 

        /* [retval][out] */ BSTR *title);

    virtual HRESULT STDMETHODCALLTYPE unreachableURL( 

        /* [retval][out] */ BSTR *url);

    virtual HRESULT STDMETHODCALLTYPE webArchive( 

        /* [retval][out] */ IWebArchive **archive);

    virtual HRESULT STDMETHODCALLTYPE mainResource( 

        /* [retval][out] */ IWebResource **resource);

    virtual HRESULT STDMETHODCALLTYPE subresources( 

        /* [retval][out] */ IEnumVARIANT **enumResources);

    virtual HRESULT STDMETHODCALLTYPE subresourceForURL( 

        /* [in] */ BSTR url,

        /* [retval][out] */ IWebResource **resource);

    virtual HRESULT STDMETHODCALLTYPE addSubresource( 

        /* [in] */ IWebResource *subresource);

    // IWebDataSourcePrivate

    virtual HRESULT STDMETHODCALLTYPE overrideEncoding( 

        /* [retval][out] */ BSTR *encoding);

    virtual HRESULT STDMETHODCALLTYPE setOverrideEncoding( 

        /* [in] */ BSTR encoding);

    virtual HRESULT STDMETHODCALLTYPE mainDocumentError(

        /* [retval][out] */ IWebError** error);

    virtual HRESULT STDMETHODCALLTYPE setDeferMainResourceDataLoad(

        /* [in] */ BOOL flag);

    // WebDataSource

    WebDocumentLoader* documentLoader() const;

protected:

    ULONG m_refCount;

    RefPtr<WebDocumentLoader> m_loader;

    COMPtr<IWebDocumentRepresentation> m_representation;

};

#endif