/*

* 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 <QUrl>

#include <QProcess>

#include <QLatin1String>

#include <QDebug>

#include <hbaction.h>

#include <hbmainwindow.h>

#include <hbmenu.h>

#include "BrowserWrapper.h"

#include "HelpDocumentLoader.h"

#include "HelpDataProvider.h"

#include "HelpUtils.h"

#include "HelpContentsView.h"

HelpContentsView::HelpContentsView() : mBrowser(NULL)

{

}

HelpContentsView::~HelpContentsView()

{

}

void HelpContentsView::init()

{

    initBackAction();

    mBrowser = HelpUIBuilder::findWidget<BrowserWrapper*>(DOCML_BROWSER_CONTENTS);

    mBrowser->init();

    connect(mBrowser, SIGNAL(linkClicked(const QUrl&)), this, SLOT(onLinkClicked(const QUrl&)));

    connect(mBrowser, SIGNAL(urlChanged(const QUrl&)), this, SLOT(onUrlChanged(const QUrl&)));

    connect(mainWindow(), SIGNAL(currentViewChanged(HbView*)), this, SLOT(onCurrentViewChanged(HbView*)));

}

void HelpContentsView::initBackAction()

{

    mSoftKeyAction = new HbAction(Hb::BackAction);

    connect(mSoftKeyAction, SIGNAL(triggered()), this, SLOT(onBackAction()));

}

///////////////////////////////////////////////////////////////////////////////////////

bool HelpContentsView::openApplication(const QUrl& url)

{

	QString str = url.toString();

	if(str.startsWith(URL_HEADER_APP))

	{

        //app://cmd@localhost/APP_NAME/APP_UID

        QString appUid = str.section(BACKSLASH, -1,-1);

        if(appUid.contains("0x", Qt::CaseInsensitive))

        {

            appUid.remove(0,2);

        }

        int error = HelpUtils::launchApplication(appUid);

        if(error != 0)

        {

            qDebug() << "AIW-ERROR: AppMgrClient:test: Send failed" << error;

        }

        return true;

	}

	return false;

}

bool HelpContentsView::openExternalLink(const QUrl& url)

{

	QString str = url.toString();

	if(str.startsWith(URL_HEADER_HTTP) || 

	   str.startsWith(URL_HEADER_HTTPS) || 

	   str.startsWith(URL_HEADER_FTP))

	{

		return true;

	}

    return false;

}

void HelpContentsView::openHelpContent(const QUrl& url)

{

    QString html;

    QString baseUrl = url.toString();

    HelpDataProvider::instance()->getHelpContentData(html, baseUrl);

    mBrowser->setHtml(html, baseUrl);

}

////////////////////////////////////////////////////////////////////////////////////////////

void HelpContentsView::onCurrentViewChanged(HbView *view)

{

    if(this == view)

    {

        setNavigationAction(mSoftKeyAction);

        openHelpContent();

    }

    else

    {

        mBrowser->clearHistory();

    }    

}

///////////////////////////////////////////////////////////////////////////////////////

void HelpContentsView::onBackAction()

{

	if(this == mainWindow()->currentView())

	{

		if(mBrowser->canGoBack())

		{

			mBrowser->back();

		}

		else

		{

			emit activateView(HelpViewCategory);

		}

	}

}

///////////////////////////////////////////////////////////////////////////////////////

void HelpContentsView::onLinkClicked(const QUrl& url)

{

    // try to open as application

    if(openApplication(url))

    {

        return;

    }

    // try to open as remote link

    if(openExternalLink(url))

    {

        return;

    }

    // try to open as local link

    {

        openHelpContent(url);

        return;

    }

}

void HelpContentsView::onUrlChanged(const QUrl& url)

{

    openHelpContent(url);

}

// end of file