/*

* 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:

*

*/

#include <hbaction.h>

#include <hbtoolbar.h>

#include <hbicon.h>

#include <hblabel.h>

#include <hblistwidgetitem.h>

#include <hbabstractviewitem.h>

#include <hbinputdialog.h>

#include <hbmessagebox.h>

#include <hblistwidget.h>

#include <hbvalidator.h>

#include <hbmenu.h>

#include <hbmessagebox.h>

#include "cbsuitopiclistview.h"

#include "cbsuiviewmanager.h"

#include "rcbsui.h"

#include "cbslog.h"

#include "cbsuiconstants.h"

#include "ccbsuitopiclistmonitor.h"

// DocML usage

const char *T_TOPIC_LIST = "t:ListWidget";

const char *T_TOPICINDEX = "t:topicIndex"; 

// other items (for decoration)

const char *T_LABEL = "t:label";

const char *T_TOGGLE_RECEPTION = "t:toggle_reception";

const char *T_ADD_TOPIC = "t:add_topic";

// Options menu

const char *T_EXIT = "t:exit";

const char *T_OPEN = "t:open";

const char *T_SUBSCRIBE = "t:subscribe";

const char *T_UNSUBSCRIBE = "t:unsubscribe";

const char *T_HOTMARK = "t:hotmark";

const char *T_UNHOTMARK = "t:unhotmark";

const char *T_DELETE = "t:delete";

const char *T_EDIT = "t:edit";

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

// ----------------------------------------------------------------------------

// CbsUiTopicListView::CbsUiTopicListView

// ----------------------------------------------------------------------------

CbsUiTopicListView::CbsUiTopicListView()

    : HbView(),

      mServer(NULL),

      mViewManager(NULL),

      mTopicRow(-1),

      mTopicIndexWidget(NULL),

      mTopicsWidget(NULL),

      mReceptionButton(NULL), 

      mOpenAction(NULL),

      mSubscibeAction(NULL), 

      mUnSubscibeAction(NULL), 

      mHotmarkAction(NULL), 

      mUnHotmarkAction(NULL), 

      mEditAction(NULL), 

      mDeleteAction(NULL),

      mMonitor(NULL),

      mTopicQuery(NULL),

      mTopicNumberList(NULL)

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::CbsUiTopicListView IN");

    mTopicNumberList = new TCbsUiTopicNumberList(KNumberOfStandardTopics);

    QT_TRAP_THROWING(mTopicNumberList->AppendL(0));

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::CbsUiTopicListView OUT");

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::~CbsUiTopicListView

// ----------------------------------------------------------------------------

CbsUiTopicListView::~CbsUiTopicListView()

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::~CbsUiTopicListView IN");

    delete mTopicNumberList;

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::~CbsUiTopicListView OUT");

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::init

// ----------------------------------------------------------------------------

void CbsUiTopicListView::init(MCbs &server, 

               CbsUiViewManager &viewManager)

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::init IN");

    mViewManager = &viewManager;

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::init 1");

    mServer = &server;

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::init 2");

    // First get pointers to UI components

    createComponents();

    // Update reception status to UI

    TBool status; //Symbian variable..

    mServer->GetReceptionStatus(status);

    if (status) {

       LOG(NORMAL,"CBSUI: CbsUiTopicListView::init reception ON");

       mReceptionButton->setText(hbTrId("txt_cbs_deactivate"));

    } else {

       LOG(NORMAL,"CBSUI: CbsUiTopicListView::init reception OFF");

       mReceptionButton->setText(hbTrId("txt_cbs_activate"));

    }

    // Update Topic index and Topics   

    reloadTopicIndex();

    reloadTopics();

    // Symbian code, leave etc to be handled.

    // QT_TRAP_THROWING( mMonitor = CCbsUiTopicListMonitor::NewL( *mServer ) );

    // mMonitor->AddObserverL( this );

    // Longpress in topic list, this is needed always

    bool ret(false);

    // conntect topic index list widget operation

    ret = connect(mTopicIndexWidget, 

                SIGNAL(longPressed(HbListWidgetItem *, QPointF)),

            this, SLOT(showTopicIndexMenu(HbListWidgetItem *, QPointF)));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::init connect \

            TopicIndex long press %d", ret); 

    ret = connect(mTopicIndexWidget, SIGNAL(activated(HbListWidgetItem *)), 

            this, SLOT(showTopicSelectionView(HbListWidgetItem *)));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::init connect \

            TopicIndex short press %d", ret);

    // conntect topics list widget operation

    ret = connect(mTopicsWidget,

            SIGNAL(longPressed(HbListWidgetItem*, QPointF)), 

            this, SLOT(showTopicsMenu(HbListWidgetItem *, QPointF)));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::init connect\

             Topics long press %d", ret); 

    ret = connect(mTopicsWidget, SIGNAL(activated(HbListWidgetItem *)), 

            this, SLOT(showTopicView(HbListWidgetItem *)));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::init connect \

            topics short press %d", ret);

    // connect reception action

    ret = connect(mReceptionButton, SIGNAL(triggered(bool)), 

            this, SLOT(toggleReception()));  

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::init connect reception %d", ret);

    // Open

    mOpenAction = qobject_cast<HbAction *>(

    mViewManager->xmlLoader()->findObject(T_OPEN));

    ret = connect(mOpenAction, SIGNAL(triggered()),

            this, SLOT(showTopicView()));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::init open %d", ret)

    // Subscribe

    mSubscibeAction = qobject_cast<HbAction *>(

    mViewManager->xmlLoader()->findObject(T_SUBSCRIBE));

    ret = connect(mSubscibeAction, SIGNAL(triggered()),

            this, SLOT(toggleSubscription()));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::init subscribe %d", ret)

    // UnSubscribe

    mUnSubscibeAction = qobject_cast<HbAction *>(

    mViewManager->xmlLoader()->findObject(T_UNSUBSCRIBE));

    ret = connect(mUnSubscibeAction, SIGNAL(triggered()),

            this, SLOT(toggleSubscription()));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::init subscribe %d", ret)    

    // Hotmark

    mHotmarkAction = qobject_cast<HbAction *>(

    mViewManager->xmlLoader()->findObject(T_HOTMARK));

    ret = connect(mHotmarkAction, SIGNAL(triggered()),

                 this, SLOT(toggleHotmark()));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::init hotmark %d", ret)

    // UnHotmark

    mUnHotmarkAction = qobject_cast<HbAction *>(

    mViewManager->xmlLoader()->findObject(T_UNHOTMARK));

    ret = connect(mUnHotmarkAction, SIGNAL(triggered()),

              this, SLOT(toggleHotmark()));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::init hotmark %d", ret)

    // Edit

    mEditAction = qobject_cast<HbAction *>(

            mViewManager->xmlLoader()->findObject(T_EDIT));

    ret = connect(mEditAction, SIGNAL(triggered()) , 

            this, SLOT(editTopic()));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::init edit %d", ret)

    // Delete

    mDeleteAction =  qobject_cast<HbAction *>(

            mViewManager->xmlLoader()->findObject(T_DELETE));

    ret = connect(mDeleteAction, SIGNAL(triggered()),

                  this, SLOT(deleteTopic()));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::init delete %d", ret)

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::init OUT");   

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::TopicListChangedL

// ---------------------------------------------------------------------------- 

void CbsUiTopicListView::TopicListChangedL(TCbsTopicListEvent /*aEvent*/, 

                                           TCbsTopicNumber /*aTopicNumber*/ )

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::TopicListChangedL IN");

    reloadTopicIndex();

    reloadTopics();

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::TopicListChangedL OUT");

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::createComponents

// ----------------------------------------------------------------------------

void CbsUiTopicListView::createComponents()

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::createComponents IN");

    // The topic index widget

    mTopicIndexWidget = qobject_cast<HbListWidget *>( 

        mViewManager->xmlLoader()->findWidget(T_TOPICINDEX));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::createComponents\

         mTopicIndexWidget=%d", mTopicIndexWidget)

    // The topic list widget

    mTopicsWidget = qobject_cast<HbListWidget *>( 

        mViewManager->xmlLoader()->findWidget(T_TOPIC_LIST));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::createComponents\

         mTopicsWidget=%d", mTopicsWidget)

    // Button for changing reception status

    mReceptionButton = qobject_cast<HbAction *>( 

        mViewManager->xmlLoader()->findObject(T_TOGGLE_RECEPTION));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::createComponents\

        mReceptionButton=%d", mReceptionButton)

    // Connect signals of DocML objects

    HbAction *addTopic = qobject_cast<HbAction *>( 

        mViewManager->xmlLoader()->findObject(T_ADD_TOPIC));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::createComponents\

         addTopic=%d", addTopic)

    connect(addTopic, SIGNAL(triggered(bool)), this, SLOT(addTopic()));

    HbAction *exit =  qobject_cast<HbAction *>( 

        mViewManager->xmlLoader()->findObject(T_EXIT));

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::createComponents\

         exit=%d", exit)

    connect(exit, SIGNAL(triggered(bool)), mViewManager, SLOT(close()));

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::createComponents OUT")  

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::reloadTopicIndex

// ----------------------------------------------------------------------------  

void CbsUiTopicListView::reloadTopicIndex()

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::reloadTopicIndex IN")

    if (mTopicIndexWidget && mTopicNumberList) {

        LOG(NORMAL,"CBSUI: CbsUiTopicListView::reloadTopicIndex reload")

        HbListWidgetItem *item = new HbListWidgetItem();

        TCbsTopic topic;

        mServer->GetTopic(0, topic);

        mTopicNumberList->At(0) = 0;

        updateItem(*item, topic);

        mTopicIndexWidget->clear();

        mTopicIndexWidget->addItem(item);  

        // Connect signal to indicate topic selection

        connect(mTopicIndexWidget, SIGNAL(activated(HbListWidgetItem *)),

                this, SLOT(showTopicSelectionView(HbListWidgetItem *)));     

    }

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::reloadTopicIndex OUT")

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::reloadTopics

// ----------------------------------------------------------------------------  

void CbsUiTopicListView::reloadTopics()

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::reloadTopics IN");

    if (mTopicNumberList && mTopicsWidget) {

        int count(0);

        mServer->GetTopicCount(count);   

        LOG2(NORMAL,"CBSUI: CbsUiTopicListView::reloadTopics total count %d",

                count);

        // Reset first

        mTopicNumberList->Reset();

        QT_TRAP_THROWING(mTopicNumberList->AppendL(0));

        mTopicsWidget->clear();

        // Add updated topics one by one

        for (int i = 1; i < count; i++) {

            TCbsTopic topic;

            mServer->GetTopic(i, topic);

            QT_TRAP_THROWING(mTopicNumberList->AppendL(topic.iNumber));

            HbListWidgetItem *item = new HbListWidgetItem();

            updateItem(*item, topic);

            mTopicsWidget->addItem(item);    

            // Connect signal to indicate topic selection

            connect(mTopicsWidget, SIGNAL(activated(HbListWidgetItem *)), 

                    this, SLOT(showTopicView(HbListWidgetItem *)));

        }

    }

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::reloadTopics OUT");

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::showTopicSelectionView

// ----------------------------------------------------------------------------

void CbsUiTopicListView::showTopicSelectionView(HbListWidgetItem */*item*/)

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::showTopicSelectionView IN"); 

    mTopicRow = 0;

    if (mTopicNumberList) {

        TInt messages(0);

        mServer->GetMessageCount(0, messages);

        if (messages) {

            // TODO: show topic selection view

        }

    }

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::showTopicSelectionView OUT");

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::showTopicView

// ----------------------------------------------------------------------------

void CbsUiTopicListView::showTopicView(HbListWidgetItem *item)

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::topicSelection IN");

    mTopicRow = mTopicsWidget->row(item)+1;

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::topicSelection index=%d", 

            mTopicRow);

    if (mTopicNumberList) {

        TCbsTopicNumber selectTopic(mTopicNumberList->At(mTopicRow));

        TInt messages(0);

        mServer->GetMessageCount(selectTopic, messages);

        if (messages) {

           // it will be reopened

           // mViewManager->activateTopicView(selectTopic);

        }

    }

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::topicSelection OUT");

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::addTopic

// ----------------------------------------------------------------------------

void CbsUiTopicListView::addTopic()

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::addTopic IN");

    // Handle not OK cases, KErrAlreadyExists, KErrArgument, KErrDiskFull

    // Todo: Add from index if it is available

    TCbsTopic topic;

    if (showTopicQuery(topic, true) &&

        KErrNone == mServer->AddTopic(topic)) {

        reloadTopics(); 

    }

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::addTopic OUT");

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::editTopic

// ----------------------------------------------------------------------------

void CbsUiTopicListView::editTopic()

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::editTopic IN");

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::editTopic mTopicRow=%d", mTopicRow)

    TInt count(0);

    mServer->GetTopicCount(count);

    if (mTopicRow > 0 && mTopicRow < count) {

        // Get topic we need to edit

        TCbsTopic topic;

        mServer->GetTopic(mTopicRow, topic);

        TCbsTopicNumber oldTopicNumber = topic.iNumber;

        TCbsTopicNumber newTopicNumber(EMaxTopicNumber);

        TCbsTopicName newTopicName;

        if (showTopicQuery(topic, false)) {

            newTopicNumber = topic.iNumber;

            newTopicName = topic.iName;

        }

        TInt err = mServer->ChangeTopicNameAndNumber(oldTopicNumber, 

                newTopicNumber, newTopicName);

        if (KErrNone == err) {

            reloadTopics();

        }

    }

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::editTopic OUT");

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::deleteTopic

// ----------------------------------------------------------------------------

void CbsUiTopicListView::deleteTopic()

    {

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::deleteTopic IN row %d", mTopicRow);

    TInt count(0);

    mServer->GetTopicCount(count);

    if (mTopicRow > 0 && mTopicRow < count) {

        // user confirmation 

        HbMessageBox *box = new HbMessageBox(hbTrId("txt_cbs_delete_topic"),

                HbMessageBox::MessageTypeQuestion);

        HbAction *action = box->exec();

        if (action == box->primaryAction()) {

            TCbsTopicNumber selectTopic(mTopicNumberList->At(mTopicRow));

            LOG2(NORMAL,"CBSUI: CbsUiTopicListView::deleteTopic topic number %d",

                    selectTopic);

            if (KErrNone == mServer->DeleteTopic(selectTopic)) {

                reloadTopics();

            }

        }

        delete box;

        box = NULL;

    }

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::deleteTopic OUT");

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::toggleReception

// ----------------------------------------------------------------------------

void CbsUiTopicListView::toggleReception()

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::ToggleReception IN");

    TBool status; //Symbian variable..

    mServer->GetReceptionStatus(status);

    if (status) {

        // Deactivate reception and switch the text on UI

        LOG(NORMAL,"CBSUI: CbsUiTopicListView::ToggleReception 1->0");

        mServer->SetReceptionStatus(EFalse);

        mReceptionButton->setText( hbTrId("txt_cbs_activate") );

    } else {

        LOG(NORMAL,"CBSUI: CbsUiTopicListView::ToggleReception 0->1");

        // Activate reception and switch the text on UI

        mServer->SetReceptionStatus(ETrue);

        mReceptionButton->setText(hbTrId("txt_cbs_deactivate"));

    }

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::ToggleReception OUT");

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::toggleHotmark

// ----------------------------------------------------------------------------

void CbsUiTopicListView::toggleHotmark()

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::toggleHotmark IN")

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::toggleHotmark\

         mTopicRow %d", mTopicRow);

    TInt count(0);

    mServer->GetTopicCount(count);

    if (mTopicRow >= 0 && mTopicRow < count) {

        // Update data

        TCbsTopic topic;

        mServer->GetTopic(mTopicRow, topic);

        LOG3(NORMAL,"CBSUI: CbsUiTopicListView::toggleHotmark\

             before toggle hormark (S,H)=(%d,%d)", 

             topic.iSubscribed, topic.iHotmarked);

        if (topic.iHotmarked) {

            mServer->ChangeTopicHotmarkStatus(topic.iNumber, EFalse);

            mServer->ChangeTopicSubscriptionStatus(topic.iNumber, ETrue);

            topic.iHotmarked = EFalse;

            topic.iSubscribed = ETrue;        

        } else {

            if (topic.iSubscribed){

                mServer->ChangeTopicHotmarkStatus(topic.iNumber, ETrue);

                topic.iHotmarked = ETrue;

            } else {

                mServer->ChangeTopicHotmarkStatus(topic.iNumber, ETrue);

                mServer->ChangeTopicSubscriptionStatus(topic.iNumber, ETrue);

                topic.iHotmarked = ETrue;

                topic.iSubscribed = ETrue;

            }

        }

        LOG3(NORMAL,"CBSUI: CbsUiTopicListView::toggleHotmark\

             after toggle hotmark (S,H)=(%d,%d)", 

             topic.iSubscribed, topic.iHotmarked);  

        // Update icon

        updateCurrentItemIcon(topic);

    }

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::toggleHotmark OUT")

}

// ----------------------------------------------------------------------------

// CbsUiTopicListView::toggleSubscription

// ----------------------------------------------------------------------------    

void CbsUiTopicListView::toggleSubscription()

{

    LOG(NORMAL,"CBSUI: CbsUiTopicListView::toggleSubsciption IN")

    LOG2(NORMAL,"CBSUI: CbsUiTopicListView::toggleSubsciption mTopicRow=%d", 

            mTopicRow)

    TInt count(0);

    mServer->GetTopicCount(count);

    if (mTopicRow >= 0 && mTopicRow < count) {

        TCbsTopic topic;

        mServer->GetTopic(mTopicRow, topic);

        LOG2(NORMAL,"CBSUI: CbsUiTopicListView::toggleSubsciption\

             topic number %d", topic.iNumber);

        LOG3(NORMAL,"CBSUI: CbsUiTopicListView::toggleSubscription\

             before toggle subscibe (S,H)=(%d,%d)", 

             topic.iSubscribed, topic.iHotmarked);

        if (topic.iSubscribed) {

            if (topic.iHotmarked) {

                mServer->ChangeTopicHotmarkStatus(topic.iNumber, EFalse);

                topic.iHotmarked = EFalse;

            }

            mServer->ChangeTopicSubscriptionStatus(topic.iNumber, EFalse);

            topic.iSubscribed = EFalse;

        } else {