Source/WebCore/platform/network/ios/PreviewConverter.h

/*
 * 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.
 */

#include <objc/objc.h>
#include <wtf/RetainPtr.h>
#include <wtf/text/WTFString.h>

OBJC_CLASS NSData;
OBJC_CLASS QLPreviewConverter;

namespace WebCore {

class ResourceRequest;
class ResourceResponse;

class PreviewConverter {
    WTF_MAKE_FAST_ALLOCATED;
    WTF_MAKE_NONCOPYABLE(PreviewConverter);
public:
    PreviewConverter(id delegate, const ResourceResponse&, const String& password = { });
    PreviewConverter(NSData *, const String& uti, const String& password = { });

    WEBCORE_EXPORT static bool supportsMIMEType(const String& mimeType);

    QLPreviewConverter *platformConverter() const { return m_platformConverter.get(); }
    ResourceRequest safeRequest(const ResourceRequest&) const;
    ResourceRequest previewRequest() const;
    ResourceResponse previewResponse() const;
    String previewFileName() const;
    String previewUTI() const;

private:
    RetainPtr<QLPreviewConverter> m_platformConverter;
};

} // namespace WebCore