/*

* 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:

*

*/

//USER

#include "logsviewmanager.h"

#include "logscomponentrepository.h"

#include "logsrecentcallsview.h"

#include "logsmatchesview.h"

#include "logsdetailsview.h"

#include "logsfilter.h"

#include "logsdefs.h"

#include "logslogger.h"

#include "logsservicehandler.h"

#include "logsmainwindow.h"

//SYSTEM

#include <hbmainwindow.h>

#include <hbview.h>

#include <logsservices.h>

#include <QApplication>

#include <hblineedit.h>

#include <dialpad.h>

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

// LogsViewManager::LogsViewManager

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

//

LogsViewManager::LogsViewManager( 

        LogsMainWindow& mainWindow, LogsServiceHandler& service ) : 

    QObject( 0 ), mMainWindow( mainWindow ), mService( service ), 

    mFirstActivation(true), mViewActivationShowDialpad(false)

{

    LOGS_QDEBUG( "logs [UI] -> LogsViewManager::LogsViewManager()" );

    //It is important that we always handle orientation change first, before

    //dialpad widget. If connection is moved to a view, then it's not guarantied.

    connect( &mainWindow, SIGNAL(orientationChanged(Qt::Orientation)),

            this, SLOT(handleOrientationChanged()) );

    mComponentsRepository = new LogsComponentRepository(*this);

    initViews();

    connect( &mService, SIGNAL( activateView(LogsServices::LogsView, bool) ), 

             this, SLOT( changeRecentView(LogsServices::LogsView, bool) ) );

    connect( &mService, SIGNAL( activateView(QString) ), 

             this, SLOT( changeMatchesView(QString) ));

    connect( &mMainWindow, SIGNAL(appFocusGained()), this, SLOT(appFocusGained()) );

    connect( &mMainWindow, SIGNAL(appFocusLost()), this, SLOT(appFocusLost()) );

    LOGS_QDEBUG( "logs [UI] <- LogsViewManager::LogsViewManager()" );

}

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

// LogsViewManager::~LogsViewManager

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

//

LogsViewManager::~LogsViewManager()

{

    LOGS_QDEBUG( "logs [UI] -> LogsViewManager::~LogsViewManager()" );

    delete mComponentsRepository;

    LOGS_QDEBUG( "logs [UI] <- LogsViewManager::~LogsViewManager()" );

}

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

// LogsViewManager::initViews

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

//

void LogsViewManager::initViews()

{

    LOGS_QDEBUG( "logs [UI] -> LogsViewManager::initViews()" );

    // Disable view switching as otherwise flick gestures change

    // views which is not desired.

    //Deprecated:

    //mMainWindow.setViewSwitchingEnabled(false);

    // Don't activate any view, app focus gaining or service request

    // will cause view activation

    //

    LogsRecentCallsView* view = mComponentsRepository->recentCallsView();    

    Q_ASSERT_X(view != 0, "logs [UI] ", "recentCallsView not found!");

    LOGS_QDEBUG( "logs [UI] adding view" );

    mViewStack.append(view);

    mMainWindow.addView(view);

    LogsDetailsView* detailsView = mComponentsRepository->detailsView();

    mViewStack.append(detailsView);

    mMainWindow.addView(detailsView);

    LogsMatchesView* matchesView = mComponentsRepository->matchesView();

    mViewStack.append(matchesView);

    mMainWindow.addView(matchesView);

    LOGS_QDEBUG( "logs [UI] <- LogsViewManager::initViews()" );

}

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

// LogsViewManager::changeRecentView

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

//

void LogsViewManager::changeRecentView(LogsServices::LogsView view, bool showDialpad)

{

    QVariant args(view);

    doActivateView(LogsRecentViewId, showDialpad, args);

}

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

// LogsViewManager::changeMatchesView

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

//

void LogsViewManager::changeMatchesView(QString dialpadText)

{

    Dialpad* dialpad = mComponentsRepository->dialpad();

    dialpad->editor().setText(dialpadText);

}

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

// LogsViewManager::appFocusGained

// Activate recent view if gaining focus first time and app was not started

// via highway service. If app was started by using service request, 

// wait the request to appear before activating view.

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

//

void LogsViewManager::appFocusGained()

{

    LOGS_QDEBUG( "logs [UI] -> LogsViewManager::appFocusGained()" );

    foreach ( LogsBaseView* view, mViewStack ){

        disconnect( view, SIGNAL(exitAllowed()), this, SLOT(proceedExit()) );

    }

    if ( mFirstActivation && !mService.isStartedUsingService() ){

        changeRecentView( mService.currentlyActivatedView(), false );

        mMainWindow.bringAppToForeground();

    }

    mComponentsRepository->model()->refreshData();

    LOGS_QDEBUG( "logs [UI] <- LogsViewManager::appFocusGained()" );

}

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

// LogsViewManager::appFocusLost

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

//

void LogsViewManager::appFocusLost()

{

    LOGS_QDEBUG( "logs [UI] -> LogsViewManager::appFocusLost()" );

    LOGS_QDEBUG( "logs [UI] <- LogsViewManager::appFocusLost()" );

}

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

// LogsViewManager::proceedExit

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

//

void LogsViewManager::proceedExit()

{

    LOGS_QDEBUG( "logs [UI] -> LogsViewManager::proceedExit()" );

    mComponentsRepository->model()->compressData();

    LOGS_QDEBUG( "logs [UI] <- LogsViewManager::proceedExit()" );

}

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

// LogsViewManager::activateView

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

//

bool LogsViewManager::activateView(LogsAppViewId viewId)

{

    return doActivateView(viewId, false, QVariant());

}

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

// LogsViewManager::activateView

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

//

bool LogsViewManager::activateView(

        LogsAppViewId viewId, bool showDialpad, QVariant args)

{

    return doActivateView(viewId, showDialpad, args);

}

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

// LogsViewManager::mainWindow

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

//

HbMainWindow& LogsViewManager::mainWindow()

{

    return mMainWindow;

}

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

// LogsViewManager::exitApplication

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

//

void LogsViewManager::exitApplication()

{

    LOGS_QDEBUG( "logs [UI] -> LogsViewManager::exitApplication()" );

    LOGS_QDEBUG( "logs [UI] Exit delayed" );

    // Fake exit by sending app to background

    mMainWindow.sendAppToBackground();

    // Set application to default state (recent calls and no dialpad)

    activateView( LogsRecentViewId, false, QVariant() );

    mComponentsRepository->recentCallsView()->resetView();

    bool exitAllowed( true );

    foreach ( LogsBaseView* view, mViewStack ){

        if ( !view->isExitAllowed() ){

            exitAllowed = false;

            connect( view, SIGNAL(exitAllowed()), this, SLOT(proceedExit()) );

        }

    }

    if ( exitAllowed ){

        LOGS_QDEBUG( "logs [UI] Handle exit immediataly" );

        proceedExit();

    } else {

        // Just wait for signal from view(s) that exiting can proceed

        LOGS_QDEBUG( "logs [UI] Delayed exit handling" );

    }

    LOGS_QDEBUG( "logs [UI] <- LogsViewManager::exitApplication()" );

}

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

// LogsViewManager::activatePreviousView

// Previously activated view is at slot 1 of view stack

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

//

bool LogsViewManager::activatePreviousView()

{

    if ( mViewStack.count() < 2 ){

        return false;

    }

    return doActivateView(mViewStack.at(1)->viewId(), false, QVariant());

}

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

// LogsViewManager::doActivateView

// Currently activated view is always at beginning of view stack. Deactivates

// previously activated view and activates new view and place it at top of

// view stack.

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

//

bool LogsViewManager::doActivateView(

        LogsAppViewId viewId, bool showDialpad, QVariant args)

{

    LOGS_QDEBUG( "logs [UI] -> LogsViewManager::doActivateView()" );

    bool activated(false);

    LogsBaseView* newView = 0; 

    LogsBaseView* oldView = mViewStack.count() > 0 ? mViewStack.at(0) : 0;

    for ( int i = 0; i < mViewStack.count(); ++i ){

        if ( mViewStack.at(i)->viewId() == viewId ){

            newView = mViewStack.takeAt(i);

        }

    }

    if ( oldView && newView && oldView != newView ){   

        oldView->deactivated();

        disconnect( &mMainWindow, SIGNAL( callKeyPressed() ), oldView, 0 );

    }

    if ( newView ){

        mViewStack.insert(0, newView);

        mMainWindow.setCurrentView(newView);

        mViewActivationArgs = args;

        mViewActivationShowDialpad = showDialpad;

        completeViewActivation();

        activated = true;

    }

    LOGS_QDEBUG( "logs [UI] <- LogsViewManager::doActivateView()" );

    return activated;

}

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

// LogsViewManager::completeViewActivation

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

//

void LogsViewManager::completeViewActivation()

{

    LOGS_QDEBUG_2( "logs [UI] -> LogsViewManager::completeViewActivation(), first", 

                   mFirstActivation );

    if ( mFirstActivation ){

        mFirstActivation = false;

        connect( &mMainWindow, SIGNAL(viewReady()), this, SLOT(completeViewActivation()) );

    } else {

        disconnect( &mMainWindow, SIGNAL(viewReady()), this, SLOT(completeViewActivation()) );

        LogsBaseView* newView = mViewStack.at(0);

        newView->activated(mViewActivationShowDialpad, mViewActivationArgs);

        connect( &mMainWindow, SIGNAL( callKeyPressed() ), newView, SLOT( callKeyPressed() ) );

        // First activation completed, clear counter

        mComponentsRepository->model()->clearMissedCallsCounter();

    }

    LOGS_QDEBUG( "logs [UI] <- LogsViewManager::completeViewActivation()" );

}

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

//

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

//

void LogsViewManager::handleOrientationChanged()

{

    LOGS_QDEBUG( "logs [UI] -> LogsViewManager::handleOrientationChanged()" );

    QMetaObject::invokeMethod(mMainWindow.currentView(), "handleOrientationChanged");

    LOGS_QDEBUG( "logs [UI] <- LogsViewManager::handleOrientationChanged()" );

}