#ifdef SHARE_FUNC_ENABLED

#include "mpdetailssharedialog.h"

#include "mpsharedata.h"

#include "mpsongdata.h"

#include "mptrace.h"

#include <QObject>

#include <QGraphicsWebView>

#include <QGraphicsScene>

#include <QWebPage>

#include <QWebFrame>

#include <QNetworkAccessManager>

#include <QNetworkDiskCache>

#include <QDesktopServices>

#include <QNetworkProxyFactory>

#include <hbmessagebox.h>

#include <QFile>

#include <QTextStream>

// SHARE_INDEX_FILE defines where the index.html file is loaded from.

#define SHARE_INDEX_URL "qrc:///shareview/index.html"

#ifdef Q_OS_SYMBIAN

// Symbian target.

#ifdef SHARE_PLAYER_RND

// For R&D testing, index.html may be loaded from E: drive.

// User must manually place index.html in the correct location.

// If the RND file does not exist, then SHARE_INDEX_URL will be used.

#define RND_SHARE_INDEX_URL "file:///e:/index.html"

#define RND_SHARE_INDEX_FILE "e:\\index.html"

#define RND_OVI_LOGIN_FILE "e:\\ovicredentials.txt"

#define RND_DEFAULT_USER "hipsu"

#define RND_DEFAULT_PASS "hipsupass"

#endif

#else

// Assume Windows target.

#define RND_SHARE_INDEX_URL "file:///c:/temp/index.html"

#define RND_SHARE_INDEX_FILE "c:\\temp\\index.html"

#define RND_OVI_LOGIN_FILE "c:\\temp\\ovicredentials.txt"

#endif

// For allowing local caching of javascript files loaded by popup

class MpNetworkAccessManager : public QNetworkAccessManager

{

public:

    MpNetworkAccessManager() { };

private:

    QNetworkReply *createRequest( Operation op,

                                 const QNetworkRequest &request,

                                 QIODevice *outgoingData = 0 )

    {

        TX_ENTRY

        QVariant val = request.attribute( QNetworkRequest::CacheLoadControlAttribute );

        qDebug() << "request cachecontrol - " << val.typeName() << val.toInt();

         // Change the cache load control attrbute!

        QNetworkRequest req = request;

        req.setAttribute( QNetworkRequest::CacheLoadControlAttribute,

                           QVariant( QNetworkRequest::PreferCache ) ); // was PreferNetwork

        TX_EXIT

        return QNetworkAccessManager::createRequest( op, req, outgoingData );

    }

};

/*!

 Constructor.

 */

MpDetailsShareDialog::MpDetailsShareDialog()

    : mShareWebView( 0 ),

      mShareNetAccMan( 0 )

{

}

void MpDetailsShareDialog::initialize( MpSongData* aSongData )

{

    TX_ENTRY

    if ( !initUser() )

    {

        emit closeShareDialog();

        return;

    }

    initShareData( aSongData );

    initNetworkAccessManager();

    initWebView();

    initSignalSlots();

    setDismissPolicy( HbDialog::NoDismiss );

    // No timeout needed for the dialog.

    setTimeout( HbPopup::NoTimeout );

#ifdef SHARE_PLAYER_RND

    // Test whether the RND file exists.

    QFile file( RND_SHARE_INDEX_FILE );

    if ( file.exists() )

    {

        // Load the RND URL from the specified location to the web view.

        TX_LOG_ARGS( "share: Use RND index.html file " << RND_SHARE_INDEX_FILE )

        mShareWebView->load( QUrl( RND_SHARE_INDEX_URL ) );

    }

    else

#endif

    {

        // Load the production URL from the application resources to the web view.

        TX_LOG_ARGS( "share: Use QRC index.html file " << SHARE_INDEX_URL )

        mShareWebView->load( QUrl( SHARE_INDEX_URL ) );

    }

    TX_EXIT

}

/*!

 Destructor.

 */

MpDetailsShareDialog::~MpDetailsShareDialog()

{

    TX_ENTRY

    logoutPlayer();

    delete mShareNetAccMan;

    TX_EXIT

}

void MpDetailsShareDialog::initShareData( MpSongData* aSongData )

{

    TX_ENTRY

    // Set information for the share data.

    mShareData.setOwner( this );

    mShareData.setSongData( aSongData );

    // TODO need localized error message.

    mShareData.setErrorMessage( "An error occured. Sharing is not currently available" );

    // TODO need language setting.

    mShareData.setLanguage( "en" );

    TX_EXIT

}

void MpDetailsShareDialog::initNetworkAccessManager()

{

    TX_ENTRY

    // Make our own network access manager to allow JS retrieval from local cache,

    // since configuration for the default network access manager seems to be

    // to always redownload from network.

    mShareNetAccMan = new MpNetworkAccessManager();

    mShareNetAccMan->proxyFactory()->setUseSystemConfiguration( true );

    QNetworkDiskCache* diskCache = new QNetworkDiskCache( this );

    QString location = QDesktopServices::storageLocation( QDesktopServices::CacheLocation );

    diskCache->setCacheDirectory( location );

    mShareNetAccMan->setCache( diskCache );

    TX_EXIT

}

void MpDetailsShareDialog::initWebView()

{

    TX_ENTRY

    mShareWebView = new QGraphicsWebView();

    mShareWebView->settings()->setAttribute( QWebSettings::LocalContentCanAccessRemoteUrls, true );

    mShareWebView->settings()->setAttribute( QWebSettings::LocalStorageDatabaseEnabled, true );

    mShareWebView->settings()->enablePersistentStorage();

    mShareWebView->page()->setNetworkAccessManager( mShareNetAccMan );

    setContentWidget( mShareWebView );

    TX_EXIT

}

void MpDetailsShareDialog::initSignalSlots()

{

    TX_ENTRY

    // Connect various signals to slots for interface to webview.

    connect( mShareWebView, SIGNAL( loadFinished( bool ) ), SLOT( onIndexLoad( bool ) ) );

    connect( mShareWebView->page()->mainFrame(), SIGNAL( javaScriptWindowObjectCleared() ), this, SLOT( addContext() ) );

    connect( mShareWebView->page(), SIGNAL( windowCloseRequested() ), this, SIGNAL( closeShareDialog() ) );

    TX_EXIT

}

/*!

 initUser is used as temporary solution until Single Sign On is implemented in platform.

 */

bool MpDetailsShareDialog::initUser()

{

    TX_ENTRY

    bool result = false;

#ifdef SHARE_PLAYER_RND

    // ovicredentials.txt is used as temporary solution until Single Sign On is implemented in platform.

    QFile file( RND_OVI_LOGIN_FILE );

    if ( !file.open( QFile::ReadOnly ) )

    {

//        errorHandler( "share", QString( RND_OVI_LOGIN_FILE ) + " missing" );

        mShareData.setUsername( RND_DEFAULT_USER );

        mShareData.setPassword( RND_DEFAULT_PASS );

        result = true;

    }

    else

    {

        QTextStream stream ( &file );

        QString strCred = stream.readLine( 0 );

        file.close();

        QStringList slCred = strCred.split( ":" );

        if ( slCred.length() > 1 )

        {

            mShareData.setUsername( slCred[ 0 ] );

            mShareData.setPassword( slCred[ 1 ] );

            result = true;

        }

        else

        {

            errorHandler( "share", QString( RND_OVI_LOGIN_FILE ) + " username:password expected" );

        }

    }

    TX_LOG_ARGS( "share: credentials " << mShareData.username() << " / " << mShareData.password() )

#else

    // TODO: Single Sign On stuff.

#endif // SHARE_PLAYER_RND

    TX_EXIT

    return result;

}

/*!

 Release resources from share player.

 */

void MpDetailsShareDialog::logoutPlayer()

{

    TX_ENTRY

    if (mShareWebView)

    {

        mShareWebView->page()->mainFrame()->evaluateJavaScript( "music.teardown();" );

    }

    TX_EXIT

}

/*!

 Adds the shared data context to the javascript of the loaded page.

 */

void MpDetailsShareDialog::addContext()

{

    TX_ENTRY

    if (mShareWebView)

    {

        mShareWebView->page()->mainFrame()->addToJavaScriptWindowObject( "context", &mShareData );

    }

    TX_EXIT

}

/*!

 Updates the shared data context in the javascript of the loaded page.

 */

void MpDetailsShareDialog::updateSharedData()

{

    TX_ENTRY

    if (mShareWebView)

    {

        mShareWebView->page()->mainFrame()->evaluateJavaScript( "music.updateContextArea();" );

        mShareWebView->page()->mainFrame()->evaluateJavaScript( "music.updateMetadata();" );

    }

    TX_EXIT

}

/*!

 Slot to call when index.html loading completes.

 */

void MpDetailsShareDialog::onIndexLoad( bool aOk )

{

    TX_ENTRY

    if ( !aOk )

    {

        // Close the popup window, failed to load index.html.

        // This is pretty serious and most likely unrecoverable error.

        // Only thing we can do really is to close the share player

        // dialog - TODO do we need to show any error message to user?

        TX_LOG_ARGS( "share: failed to load index.html" )

        emit closeShareDialog();

    }

    TX_EXIT

}

/*!

 Slot to call for debug output.

 */

void MpDetailsShareDialog::debugJs( QString s )

{

    TX_ENTRY

    TX_LOG_ARGS( "share: debugJs: " << s )

    TX_EXIT

}

/*!

 Slot to call for displaying an error message to the user.

 */

void MpDetailsShareDialog::errorHandler( QString error, QString message )

{

    TX_ENTRY

    TX_LOG_ARGS( "share: errorHandler: " << error << ": " << message )

    HbMessageBox::warning( error + ": " + message ); // For week16 hbwidgets

//    HbMessageBox::launchWarningMessageBox( error + ": " + message ); // For week12 hbwidgets

    TX_EXIT

}

/*!

 Slot to call to clear the web view cache.

 */

void MpDetailsShareDialog::clearCache()

{

    TX_ENTRY

    QAbstractNetworkCache* cache = mShareNetAccMan ? mShareNetAccMan->cache() : NULL;

    if ( cache )

    {

        TX_LOG_ARGS( "share: clearCache: clearing cache" )

        cache->clear();

#ifdef SHARE_PLAYER_RND

        errorHandler( "Cache", "Cleared cache!" );

#endif

    }

    else

    {

        TX_LOG_ARGS( "share: clearCache: unable to clear cache" )

#ifdef SHARE_PLAYER_RND

        errorHandler( "Cache", "Could not clear cache!" );

#endif

    }

    TX_EXIT

}

#endif // SHARE_FUNC_ENABLED