/*
 * Copyright (C) 2012 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,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef MixedContentChecker_h
#define MixedContentChecker_h

#include "wtf/text/WTFString.h"

namespace blink {

class LocalFrame;
class FrameLoaderClient;
class KURL;
class SecurityOrigin;

class MixedContentChecker {
    WTF_MAKE_NONCOPYABLE(MixedContentChecker);
public:
    MixedContentChecker(LocalFrame*);

    bool canDisplayInsecureContent(SecurityOrigin* securityOrigin, const KURL& url) const
    {
        return canDisplayInsecureContentInternal(securityOrigin, url, MixedContentChecker::Display);
    }

    bool canRunInsecureContent(SecurityOrigin* securityOrigin, const KURL& url) const
    {
        return canRunInsecureContentInternal(securityOrigin, url, MixedContentChecker::Execution);
    }

    bool canSubmitToInsecureForm(SecurityOrigin*, const KURL&) const;
    bool canConnectInsecureWebSocket(SecurityOrigin*, const KURL&) const;
    bool canFrameInsecureContent(SecurityOrigin*, const KURL&) const;
    static bool isMixedContent(SecurityOrigin*, const KURL&);

private:
    enum MixedContentType {
        Display,
        Execution,
        WebSocket,
        Submission
    };

    // FIXME: This should probably have a separate client from FrameLoader.
    FrameLoaderClient* client() const;

    bool canDisplayInsecureContentInternal(SecurityOrigin*, const KURL&, const MixedContentType) const;

    bool canRunInsecureContentInternal(SecurityOrigin*, const KURL&, const MixedContentType) const;

    void logWarning(bool allowed, const KURL& i, const MixedContentType) const;

    LocalFrame* m_frame;
};

} // namespace blink

#endif // MixedContentChecker_h
