/*
 * Copyright (c) 2004 Nokia. 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 Nokia 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, 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 "KWQPageState.h"

#include <JavaScriptCore/property_map.h>
#include <JavaScriptCore/interpreter.h>
#include "kjs_window.h"

#include "dom_docimpl.h"
#include "khtmlview.h"


#include "KWQAssertions.h"
#include "KWQKHTMLPart.h"

using DOM::DocumentImpl;

using khtml::RenderObject;

using KJS::SavedProperties;
using KJS::SavedBuiltins;

KWQPageState::KWQPageState(DocumentImpl *doc, const KURL &u, SavedProperties * wp, SavedProperties *lp, SavedBuiltins * interpreterBuiltins)
{
    ASSERT(doc);
    ASSERT(doc->view());
    ASSERT(!doc->inPageCache());

    doc->ref();
    _document = doc;
    _document->setInPageCache(true);
    _document->view()->ref();
    _URL = new KURL(u);
    _windowProperties = wp;
    _locationProperties = lp;
    _interpreterBuiltins = interpreterBuiltins;
}

void KWQPageState::setPausedActions(QMap<int, KJS::ScheduledAction*> *pa)
{
    _pausedActions = pa;
}

QMap<int, KJS::ScheduledAction*> * KWQPageState::pausedActions()
{
    return _pausedActions;
}

void KWQPageState::_cleanupPausedActions()
{
    if (_pausedActions){
        QMapIterator<int,KJS::ScheduledAction*> it = _pausedActions->begin();        
	QMapIterator<int,KJS::ScheduledAction*> end = _pausedActions->end();
        for (; it != end; ++it) {
            KJS::ScheduledAction *action = *it;
            delete action;
        }
        delete _pausedActions;
        _pausedActions = 0;
    }

    QObject::clearPausedTimers(this);
}

// Called when the KWQPageState is restored.  It relinquishs ownership
// of objects to core.
void KWQPageState::clear()
{
    _document = 0;

    delete _URL;
    _URL = 0;
    delete _windowProperties;
    _windowProperties = 0;
    delete _locationProperties;
    _locationProperties = 0;
    delete _interpreterBuiltins;
    _interpreterBuiltins = 0;
    _cleanupPausedActions();    
}

void KWQPageState::invalidate()
{
    // Should only ever invalidate once.
    ASSERT(_document);
    ASSERT(!_document->inPageCache());

    _document->view()->deref();
    _document->deref();

    clear();
}   

KWQPageState::~KWQPageState()
{
    if (_document) {
        ASSERT(_document->inPageCache());
        ASSERT(_document->view());
	
        KHTMLView *view = _document->view();

        KWQKHTMLPart::clearTimers(view);

        bool detached = _document->renderer() == 0;	
        _document->setInPageCache(false);

        if (detached) {
            _document->detach();
        }
        _document->deref();
        
        if (view) {
            view->clearPart();
	    view->deref();
        }
    }

    clear();
}

DocumentImpl * KWQPageState::document()
{
    return _document;
}

KURL * KWQPageState::URL()
{
    return _URL;
}

SavedProperties * KWQPageState::windowProperties()
{
    return _windowProperties;
}

SavedProperties * KWQPageState::locationProperties()
{
    return _locationProperties;
}

SavedBuiltins * KWQPageState::interpreterBuiltins()
{
    return _interpreterBuiltins;
}