/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
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 * 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.
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 * 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
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 */

#ifndef PagePopupClient_h
#define PagePopupClient_h

#include "core/loader/DocumentWriter.h"
#include "core/platform/graphics/IntRect.h"
#include "wtf/text/CString.h"
#include "wtf/text/WTFString.h"

namespace WebCore {

class DocumentWriter;
class Locale;

class PagePopupClient {
public:
    virtual IntSize contentSize() = 0;

    // Provide an HTML source through the specified DocumentWriter. The HTML
    // source is rendered in a PagePopup.
    // The content HTML supports:
    //  - No <select> popups
    //  - window.setValueAndClosePopup(number, string).
    virtual void writeDocument(DocumentWriter&) = 0;

    // Returns a Locale object associated to the client.
    virtual Locale& locale() = 0;

    // This is called by the content HTML of a PagePopup.
    // An implementation of this function should call ChromeClient::closePagePopup().
    virtual void setValueAndClosePopup(int numValue, const String& stringValue) = 0;

    // This is called by the content HTML of a PagePopup.
    virtual void setValue(const String&) = 0;

    // This is called by the content HTML of a PagePopup.
    virtual void closePopup() = 0;

    // This is called whenever a PagePopup was closed.
    virtual void didClosePopup() = 0;

    virtual ~PagePopupClient() { }

    // Helper functions to be used in PagePopupClient::writeDocument().
    static void addString(const String&, DocumentWriter&);
    static void addJavaScriptString(const String&, DocumentWriter&);
    static void addProperty(const char* name, const String& value, DocumentWriter&);
    static void addProperty(const char* name, int value, DocumentWriter&);
    static void addProperty(const char* name, unsigned value, DocumentWriter&);
    static void addProperty(const char* name, bool value, DocumentWriter&);
    static void addProperty(const char* name, const Vector<String>& values, DocumentWriter&);
    static void addProperty(const char* name, const IntRect&, DocumentWriter&);
};

inline void PagePopupClient::addString(const String& str, DocumentWriter& writer)
{
    CString str8 = str.utf8();
    writer.addData(str8.data(), str8.length());
}

}
#endif