/*

* 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 "webnavigation.h"

#include "qwebpage.h"

#include "qwebframe.h"

#include "webtouchnavigation.h"

#include "webcursornavigation.h"

#include "webhtmltabbednavigation.h"

#include "webdirectionalnavigation.h"

namespace WRT {

/*!

    \class WebNavigation

    \since cwrt 1.0

    \brief cwrt navigation.

    \sa WebTouchNavigation, WebCursorNavigation, WebDirectionalNavigation, WebHtmlTabIndexedNavigation

*/

WebNavigation::WebNavigation(QWebPage* webPage,QObject* view) : m_webPage(webPage)

, m_view(view)

, m_webTouchNavigation(0)

, m_webCursorNavigation(0)

, m_webDirectionalNavigation(0)

, m_webHtmlTabIndexNavigation(0)

{

    m_webPage->settings()->setUserStyleSheetUrl(QUrl("data:text/css;charset=utf-8;base64," \

                        + QByteArray("textarea:hover, textarea:focus {                " \

                        "    outline: auto;                              " \

                        "    outline-style: solid;                       " \

                        "    outline-color: rgb(140,140,255);            " \

                        "    outline-width: 2px;                         " \

                        "}                                               " \

                        "select:hover,                                   " \

                        "select[multiple]:hover,                         " \

                        "select:focus,                                   " \

                        "select[multiple]:focus {                        " \

                        "    outline: auto;                              " \

                        "    outline-style: solid;                       " \

                        "    outline-color: rgb(140,140,255);            " \

                        "    outline-width: 2px;                         " \

                        "}                                               " \

                        "input:hover, input:focus {                      " \

                        "    outline: auto;                              " \

                        "    outline-style: solid;                       " \

                        "    outline-color: rgb(140,140,255);            " \

                        "    outline-width: 2px;                         " \

                        "}                                               " \

                        "object:hover, object:focus {                    " \

                        "    outline: auto;                              " \

                        "    outline-style: solid;                       " \

                        "    outline-color: rgb(140,140,255);            " \

                        "    outline-width: 2px;                         " \

                        "}                                               " \

                        "input:disabled, select:disabled, textarea:disabled { " \

                        "    outline: none;                              " \

                        "}                                               " \

                    		"a:-webkit-any-link {                            " \

                        "    padding: 1px 2px;                           " \

                        "}                                               " \

                        "a:-webkit-any-link:visited {                    " \

                        "    color: red;                                 " \

                        "}                                               " \

                        "a:-webkit-any-link:active {                     " \

                        "    background-color: lightgray;                " \

                        "    -webkit-border-radius: 3px;                 " \

                        "    text-decoration: none;                      " \

                        "}                                               " \

                        "a:-webkit-any-link:focus {                      " \

                        "    background-color: lightgray;                " \

                        "    -webkit-border-radius: 3px;                 " \

                        "    text-decoration: none;                      " \

                        "} ").toBase64()));

    setNavigationMode();

    connect(m_webPage->mainFrame(), SIGNAL(initialLayoutCompleted()), this, SLOT(setNavigationMode()));

    connect(this, SIGNAL(longPressEvent()), m_webPage,SIGNAL(longPressEvent()));

    connect(this,SIGNAL(focusElementChanged(wrtBrowserDefs::BrowserElementType &)),

            m_webPage,SLOT(setElementType(wrtBrowserDefs::BrowserElementType &)));

    connect(this, SIGNAL(pageScrollPositionZero()), m_webPage, SIGNAL(pageScrollPositionZero()));

}

/*!

*/

WebNavigation::~WebNavigation() 

{

    delete m_webTouchNavigation;

    delete m_webCursorNavigation;

    delete m_webDirectionalNavigation;

    delete m_webHtmlTabIndexNavigation;

}

void WebNavigation::setPage(QWebPage * page) {

     m_webPage = page;

     if (m_webTouchNavigation)

         m_webTouchNavigation->setPage(page);

     if (m_webCursorNavigation)

         m_webCursorNavigation->setPage(page);

     if (m_webDirectionalNavigation)

         m_webDirectionalNavigation->setPage(page);

     if (m_webHtmlTabIndexNavigation)

         m_webHtmlTabIndexNavigation->setPage(page);

}

/*!

    Sets the navigation mode

*/

void WebNavigation::setNavigationMode()

{

    if (!m_webPage)

        return;

    if (!m_view)

        return;

    if (m_webTouchNavigation)

        m_webTouchNavigation->uninstall();

    if (m_webCursorNavigation)

        m_webCursorNavigation->uninstall();

    if (m_webDirectionalNavigation)

        m_webDirectionalNavigation->uninstall();

    if (m_webHtmlTabIndexNavigation)

        m_webHtmlTabIndexNavigation->uninstall();

    QWebFrame* webFrame = m_webPage->currentFrame();

    if (webFrame) {

        QMultiMap<QString, QString> map = webFrame->metaData();

        if (map.value("touchnavigation") != "off" && map.value("navigation") != "none") {

            if (!m_webTouchNavigation) {

                m_webTouchNavigation = new WebTouchNavigation(m_webPage,m_view);

                connect( (const QObject*)(m_webTouchNavigation),SIGNAL(longPressEvent()),this,SIGNAL(longPressEvent()));

                connect((const QObject*)(m_webTouchNavigation), SIGNAL(focusElementChanged(wrtBrowserDefs::BrowserElementType &)),

                                        this, SIGNAL(focusElementChanged(wrtBrowserDefs::BrowserElementType &)));

                connect( (const QObject*)(m_webTouchNavigation),SIGNAL(pageScrollPositionZero()),this,SIGNAL(pageScrollPositionZero()));

            }

            else 

                m_webTouchNavigation->install();

        }

       // Enable key navigation, browser does not depend on meta data for navigation

        if (!m_webDirectionalNavigation) {

            m_webDirectionalNavigation = new WebDirectionalNavigation(m_webPage,m_view);

            connect( (const QObject*)(m_webDirectionalNavigation),SIGNAL(pageScrollPositionZero()),this,SIGNAL(pageScrollPositionZero()));

        }

        else {

            m_webDirectionalNavigation->install();

        }

    }

}

}