/*

 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.

 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)

 *

 * 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. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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.

 */

#ifndef PolicyCallback_h

#define PolicyCallback_h

#include "FrameLoaderTypes.h"

#include "PlatformString.h"

#include "ResourceRequest.h"

#include <wtf/RefPtr.h>

namespace WebCore {

class FormState;

typedef void (*NavigationPolicyDecisionFunction)(void* argument,

    const ResourceRequest&, PassRefPtr<FormState>, bool shouldContinue);

typedef void (*NewWindowPolicyDecisionFunction)(void* argument,

    const ResourceRequest&, PassRefPtr<FormState>, const String& frameName, bool shouldContinue);

typedef void (*ContentPolicyDecisionFunction)(void* argument, PolicyAction);

class PolicyCallback {

public:

    PolicyCallback();

    ~PolicyCallback();

    void clear();

    void set(const ResourceRequest&, PassRefPtr<FormState>,

        NavigationPolicyDecisionFunction, void* argument);

    void set(const ResourceRequest&, PassRefPtr<FormState>, const String& frameName,

        NewWindowPolicyDecisionFunction, void* argument);

    void set(ContentPolicyDecisionFunction, void* argument);

    const ResourceRequest& request() const { return m_request; }

    void clearRequest();

    void call(bool shouldContinue);

    void call(PolicyAction);

    void cancel();

private:

    ResourceRequest m_request;

    RefPtr<FormState> m_formState;

    String m_frameName;

    NavigationPolicyDecisionFunction m_navigationFunction;

    NewWindowPolicyDecisionFunction m_newWindowFunction;

    ContentPolicyDecisionFunction m_contentFunction;

    void* m_argument;

};

} // namespace WebCore

#endif // PolicyCallback_h