/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#include <QGraphicsScene>

#include <QGraphicsProxyWidget>

#include <QGraphicsLinearLayout>

#include <QWebFrame>

#include "HelpDocumentLoader.h"

#include "HelpCommon.h"

#include "BrowserWrapper.h"

#ifdef Q_OS_SYMBIAN

#include <wrtcontroller.h>

#endif

BrowserWrapper::BrowserWrapper()

{

}

BrowserWrapper::~BrowserWrapper()

{

}

void BrowserWrapper::init()

{

#ifdef Q_OS_SYMBIAN

    WRT::WrtController* wrtController = new WRT::WrtController(this, WRT::GraphicsWebView);

    mWebView = wrtController->graphicsWebView();

#else

	mWebView = new QGraphicsWebView();

#endif

    mWebView->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);

    mWebView->page()->mainFrame()->setScrollBarPolicy(Qt::Horizontal, Qt::ScrollBarAlwaysOff);

    mWebView->page()->mainFrame()->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAlwaysOff);

	mWebView->settings()->setAttribute(QWebSettings::PluginsEnabled, true);

	mWebView->settings()->setAttribute(QWebSettings::JavascriptEnabled, true);

    mWebView->settings()->setAttribute(QWebSettings::DeveloperExtrasEnabled, true);

    mWebView->settings()->setAttribute(QWebSettings::JavascriptCanOpenWindows, true);

    connect(mWebView, SIGNAL(linkClicked(const QUrl&)), this, SIGNAL(linkClicked(const QUrl&)));

    QGraphicsLinearLayout* vLayout = new QGraphicsLinearLayout(this);

    vLayout->setOrientation(Qt::Vertical);

    vLayout->addItem(mWebView);

    vLayout->setContentsMargins(0,0,0,0);

    setLayout(vLayout);

}

void BrowserWrapper::setHtml(const QString& html, const QUrl& url)

{

    mWebView->setHtml(html, url);

    if(!mHistory.count() || mHistory.top()!=url)

    {

        mHistory.append(url);

    }

}

void BrowserWrapper::clearHistory()

{

    mHistory.clear();

}

bool BrowserWrapper::canGoBack()

{

    return (mHistory.count() > 1);

}

void BrowserWrapper::back()

{

    if(canGoBack())

    {

        mHistory.pop();

        QUrl url = mHistory.top();

        emit urlChanged(url);

    }

}

// end of file