/*

* Copyright (c) 2010 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:

* Main view for the WLAN Login application

* 

*/

#include <QGraphicsLinearLayout>

#include <QWebFrame>

// System includes

#include <HbToolbar>

#include <HbAction>

#include <HbProgressBar>

#include <HbScrollBar>

#include <HbScrollArea>

#include <HbWidget>

#include <HbMainWindow>

// User includes

#include "wlanlogindocumentloader.h"

#include "wlanloginview.h"

#include "wlanloginwebview.h"

#include "wlanloginwebpage.h"

#include "wlanloginmainwindow.h"

#include "wlanloginengine.h"

#include "ictsqtwrapper.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "wlanloginviewTraces.h"

#endif

/*!

    \class WlanLoginView

    \brief Main view for the WLAN Login application

*/

// External function prototypes

// Local constants

//! WLAN Login view docml file

static const QString wlanLoginViewDocml(":/docml/wlanloginview.docml");

// ======== LOCAL FUNCTIONS ========

// ======== MEMBER FUNCTIONS ========

/*!

    Constructor       

 */

WlanLoginView::WlanLoginView(WlanLoginMainWindow* mainWindow):

    mMainWindow(mainWindow),

    mDocLoader(new WlanLoginDocumentLoader(mainWindow)),

    mProgressBar(NULL),

    mScrollAreaContent(NULL),

    mWebView(NULL),

    mNextAction(NULL),

    mFirstIctsOkResult(true)

{   

    OstTraceFunctionEntry0(WLANLOGINVIEW_WLANLOGINVIEW_ENTRY);

    loadDocml();

    setTitleBarVisible(false);

    setStatusBarVisible(false);

    // Set white background to content widget

    QPixmap pixmap(10,10);

    pixmap.fill(Qt::white);

    QGraphicsPixmapItem *pixmapItem = new QGraphicsPixmapItem(pixmap);

    mScrollAreaContent->setBackgroundItem(pixmapItem);

    mWebView->page()->setNetworkAccessManager(mMainWindow->application()->engine()->networkAccessManager());

    bool connectStatus = connect(

        mWebView,

        SIGNAL(loadStarted()),

        this,

        SLOT(handleLoadStarted())); 

    Q_ASSERT(connectStatus == true);

    connectStatus = connect(

        mWebView,

        SIGNAL(loadProgress(int)),

        this,

        SLOT(handleLoadProgress(int))); 

    Q_ASSERT(connectStatus == true);

    connectStatus = connect(

        mWebView,

        SIGNAL(loadFinished(bool)),

        this,

        SLOT(handleLoadFinished(bool)));

    Q_ASSERT(connectStatus == true);

    connectStatus = connect(

    mWebView,

    SIGNAL(urlChanged(const QUrl&)),

    this,

    SLOT(handleUrlChanged(const QUrl&)));

    Q_ASSERT(connectStatus == true);

    connectStatus = connect(

        mWebView->page(),

        SIGNAL(formSubmitted()),

        this,

        SLOT(handleFormSubmitted()));

    Q_ASSERT(connectStatus == true);

    connectStatus = connect(

        mCancelAction,

        SIGNAL(triggered()),

        this,

        SLOT(handleCancelAction()));

    Q_ASSERT(connectStatus == true);

    connectStatus = connect(

        mNextAction,

        SIGNAL(triggered()),

        this,

        SLOT(handleNextAction()));

    Q_ASSERT(connectStatus == true);

    show();

    OstTraceFunctionExit0(WLANLOGINVIEW_WLANLOGINVIEW_EXIT);

}

/*!

   Loads widgets and objects from the docml file. 

 */

void WlanLoginView::loadDocml()

{

    OstTraceFunctionEntry0( WLANLOGINVIEW_LOADDOCML_ENTRY );

    setObjectName(QString("wlanLoginView"));

    QObjectList objectList;

    objectList.append(this);

    mDocLoader->setObjectTree(objectList);

    bool ok = false;

    mDocLoader->load(wlanLoginViewDocml, &ok);

    Q_ASSERT(ok);

    //Fetch pointer for progress bar

    mProgressBar = reinterpret_cast<HbProgressBar *>(

        mDocLoader->findObject("progressBar"));

    Q_ASSERT(mProgressBar);

    //Fetch pointer for scroll area content

    mScrollAreaContent = reinterpret_cast<HbWidget *>(

        mDocLoader->findObject("scrollAreaContent"));

    Q_ASSERT(mScrollAreaContent);

    //Fetch pointer for Web View

    mWebView = reinterpret_cast<WlanLoginWebView *>(

        mDocLoader->findObject("webView"));

    Q_ASSERT(mWebView);

	//Fetch pointer for cancel action

    mCancelAction = qobject_cast<HbAction*> (

        mDocLoader->findObject("cancelAction"));

    Q_ASSERT(mCancelAction != NULL);

	//Fetch pointer for next action

    mNextAction = qobject_cast<HbAction*> (

        mDocLoader->findObject("nextAction"));

    Q_ASSERT(mNextAction != NULL);

    OstTraceFunctionExit0( WLANLOGINVIEW_LOADDOCML_EXIT );

}

/*!

    Destructor       

 */

WlanLoginView::~WlanLoginView()

{

    OstTraceFunctionEntry0(WLANLOGINVIEW_DESTRUCTOR_ENTRY);

    OstTraceFunctionExit0(WLANLOGINVIEW_DESTRUCTOR_EXIT);

}

/*!

    This function handles connectionReady signal from engine and starts loading of

    provided web page

    @param [in] url URL to be loaded

 */

void WlanLoginView::handleConnectionReady(QUrl url)

{

    OstTraceFunctionEntry0(WLANLOGINVIEW_HANDLECONNECTIONREADY_ENTRY);

    mWebView->load(url);

    OstTraceFunctionExit0(WLANLOGINVIEW_HANDLECONNECTIONREADY_EXIT);

}

/*!

    This function handles orientationChanged signal

    @param [in] orientation New Orientation of the screen

 */

void WlanLoginView::handleOrientationChanged(Qt::Orientation orientation)

{

    Q_UNUSED(orientation);

    OstTraceFunctionEntry0( WLANLOGINVIEW_ORIENTATIONCHANGED_ENTRY );

    adjustViewSize();

    OstTraceFunctionEntry0( WLANLOGINVIEW_ORIENTATIONCHANGED_EXIT );

}

void WlanLoginView::adjustViewSize()

{

    OstTraceFunctionEntry0( WLANLOGINVIEW_ADJUSTVIEWSIZE_ENTRY );

    //Store current screen size

    QSizeF screenSize = mMainWindow->layoutRect().size();

    //Store current content size

    QSize contentSize = mWebView->page()->mainFrame()->contentsSize();

    //Set viewPortSize to biggest values of content size or current screen size 

    QSize newViewPortSize;

    if (screenSize.toSize().width() > contentSize.width()) {

        newViewPortSize.setWidth(screenSize.toSize().width());

    } else {    

        newViewPortSize.setWidth(contentSize.width());

    }

    if (screenSize.toSize().height() > contentSize.height()) {

        newViewPortSize.setHeight(screenSize.toSize().height());

    } else {    

        newViewPortSize.setHeight(contentSize.height());

    }

    mWebView->page()->setViewportSize(newViewPortSize);

    //Set Web View size to same size as viewport

    mWebView->setMinimumWidth((qreal)newViewPortSize.width());

    mWebView->setMaximumWidth((qreal)newViewPortSize.width());

    mWebView->setPreferredWidth((qreal)newViewPortSize.width());

    mWebView->setMinimumHeight((qreal)newViewPortSize.height());

    mWebView->setMaximumHeight((qreal)newViewPortSize.height());

    mWebView->setPreferredHeight((qreal)newViewPortSize.height());

    //Set preferred content size to current screen size

    mWebView->page()->setPreferredContentsSize(mMainWindow->layoutRect().size().toSize());

    OstTraceFunctionEntry0( WLANLOGINVIEW_ADJUSTVIEWSIZE_EXIT );

}

/*!

    This function handles urlChanged signal from QGraphicsWebView

    @param [in] newUrl New URL

 */

void WlanLoginView::handleUrlChanged(const QUrl& newUrl )

{

    OstTraceFunctionEntry0(WLANLOGINVIEW_HANDLEURLCHANGED_ENTRY);

#ifdef OST_TRACE_COMPILER_IN_USE

    QString url = newUrl.toString();

    TPtrC tmp(url.utf16(),url.length() );

    OstTraceExt1(

        TRACE_NORMAL,

        WLANLOGINVIEW_HANDLEURLCHANGED_URL_TRACE, 

        "WlanLoginEngine::handleUrlChanged;newUrl=%S",

        tmp);

#endif

    OstTraceFunctionExit0(WLANLOGINVIEW_HANDLEURLCHANGED_EXIT);

}

/*!

    This function handles loadStarted signal from QGraphicsWebView

 */

void WlanLoginView::handleLoadStarted()

{

   OstTraceFunctionEntry0(WLANLOGINVIEW_HANDLELOADSTARTED_ENTRY);

    mProgressBar->setVisible(true);

    OstTraceFunctionExit0(WLANLOGINVIEW_HANDLELOADSTARTED_EXIT);

}

/*!

    This function handles loadProgress signal from QGraphicsWebView

    @param [in] progressValue Indicates page loading progress: 0..100

 */

void WlanLoginView::handleLoadProgress(int progressValue)

{

    OstTraceFunctionEntry0(WLANLOGINVIEW_HANDLELOADPROGRESS_ENTRY);

    mProgressBar->setProgressValue(progressValue);

    OstTraceFunctionExit0(WLANLOGINVIEW_HANDLELOADPROGRESS_EXIT);

}

/*!

    This function handles loadfinished signal from QGraphicsWebView

    @param [in] status Success status

 */

void WlanLoginView::handleLoadFinished(bool status)

{

   OstTraceFunctionEntry0(WLANLOGINVIEW_HANDLELOADFINISHED_ENTRY);

    if(status)

    {   

        adjustViewSize();

    }

    mProgressBar->setVisible(false);

    OstTraceFunctionExit0(WLANLOGINVIEW_HANDLELOADFINISHED_EXIT);

}

/*!

    This function handles formSumitted signal from WlanLoginWebPage

 */

void WlanLoginView::handleFormSubmitted()

{

    OstTraceFunctionEntry0(WLANLOGINVIEW_HANDLEFORMSUBMITTED_ENTRY);

    //User has submitted credentials, let's start internet connectivity test

    emit startIcts();       

    OstTraceFunctionExit0(WLANLOGINVIEW_HANDLEFORMSUBMITTED_EXIT);

}

/*!

    This function handles triggered signal from "cancel" button

 */

void WlanLoginView::handleCancelAction()

{

    OstTraceFunctionEntry0(WLANLOGINVIEW_HANDLECANCELACTION_ENTRY);

    mWebView->stop();

    emit cancelTriggered();

    OstTraceFunctionExit0(WLANLOGINVIEW_HANDLECANCELACTION_EXIT);

}

/*!

    This function handles triggered signal from "next" button

 */

void WlanLoginView::handleNextAction()

{

    OstTraceFunctionEntry0(WLANLOGINVIEW_HANDLENEXTACTION_ENTRY);

    emit nextTriggered();

    OstTraceFunctionExit0(WLANLOGINVIEW_HANDLENEXTACTION_EXIT);

}

/*!

    This function handles ictsOk signal from engine

 */

void WlanLoginView::handleIctsOk()

{

    OstTraceFunctionEntry0(WLANLOGINVIEW_HANDLEICTSRESULT_ENTRY);

    mNextAction->setEnabled(true);

    //Send application to background automatically only in first successfull login

    //as in other cases WLAN Wizard won't exist in the underneath

    if (mFirstIctsOkResult) {

        mFirstIctsOkResult = false;

        emit nextTriggered();

    }

    OstTraceFunctionExit0(WLANLOGINVIEW_HANDLEICTSRESULT_EXIT);

}