/*

* Copyright (c) 2007-2009 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:  Main plugin class

 *

*/

#include <w32std.h>

#include <eikenv.h>

#include <apgtask.h>

#include <apgcli.h>

#include <e32property.h>

#include <hb/hbcore/hbdevicedialogsymbian.h>

#include <hb/hbcore/hbsymbianvariant.h> 

#include <tspropertydefs.h>

#include <afactivitylauncher.h>

#include <homescreendomainpskeys.h>

#include "hsappkeyplugin.h"

_LIT(KHsActivactionUri, "appto://20022F35?activityname=HsIdleView");

_LIT(KAppLibActivactionUri, "appto://20022F35?activityname=AppLibMainView");

_LIT(KTsPluginName, "com.nokia.taskswitcher.tsdevicedialogplugin/1.0");

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

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

// 

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

//

CHsAppKeyPlugin::CHsAppKeyPlugin()

: iEikEnv( CEikonEnv::Static() )

{

}

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

// Two-phased constructor.

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

//

CHsAppKeyPlugin* CHsAppKeyPlugin::NewL()

{

    CHsAppKeyPlugin* self = new (ELeave) CHsAppKeyPlugin;

    return self;

}

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

// C++ Destructor

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

//

CHsAppKeyPlugin::~CHsAppKeyPlugin()

{

    delete mDialog;

}

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

// From MHbDeviceDialogObserver

// 

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

//

void CHsAppKeyPlugin::DataReceived(CHbSymbianVariantMap& /*aData*/)

{

    //no implementation required

}

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

// From MHbDeviceDialogObserver

// 

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

//

void CHsAppKeyPlugin::DeviceDialogClosed(TInt /*aCompletionCode*/)

{

    delete mDialog;

    mDialog = 0;

}

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

// From CSysapKeyHandlerPlugin

// 

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

//

TKeyResponse CHsAppKeyPlugin::HandleKeyEventL(const TKeyEvent &aKeyEvent, 

                                              TEventCode /*aType*/)

{

    TKeyResponse retVal(EKeyWasNotConsumed);

    if (aKeyEvent.iCode == EKeyApplication0) {

        if (iSecondEvent) {

            if (aKeyEvent.iRepeats > 0)

                HandleLongPressL();

            else 

                HandleShortPressL();

            retVal = EKeyWasConsumed;

        }

        iSecondEvent = !iSecondEvent; 

    }

    return retVal;

}

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

// From CSysapKeyHandlerPlugin

// 

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

//

void CHsAppKeyPlugin::ProvideKeyEventsL(RArray<TKeyEvent>& aKeyEventArray) 

{

    TKeyEvent key;

    key.iCode = EKeyApplication0;

    key.iScanCode = EStdKeyApplication0;

    key.iModifiers = 0;

    key.iRepeats = 0;

    aKeyEventArray.Append(key);

    TKeyEvent longkey;

    longkey.iCode = EKeyApplication0;

    longkey.iScanCode = EStdKeyApplication0;

    longkey.iModifiers = 0;

    longkey.iRepeats = 1;

    aKeyEventArray.Append(longkey);

}

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

// 

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

//

void CHsAppKeyPlugin::HandleShortPressL()

{   

    TInt value(0);

    RProperty::Get(TsProperty::KCategory, TsProperty::KVisibilityKey, value);

    if (value) {

        // when Task Switcher dialog is visible, Appkey is used to dismiss it

        // @todo: remove notification through property when SharedDialog flag

        // is implemented in Orbit.

        if (!mDialog) {

            // dismiss dialog launched from HomeScreen

            User::LeaveIfError(RProperty::Set(TsProperty::KCategory, TsProperty::KDismissRequestKey, 1));

        } else {

            // dismiss dialog launched by this plugin

            delete mDialog;

            mDialog = 0;

        }

    } else {

        // when there is no Task Switcher dialog, Appkey is used to switch between Applib and HomeScreen

        RApaLsSession apaLsSession;

        CleanupClosePushL(apaLsSession);

        User::LeaveIfError(apaLsSession.Connect());

        CAfActivityLauncher *activityEnabler = 

            CAfActivityLauncher::NewLC(apaLsSession, 

                                       iEikEnv->WsSession());

        TInt state(0);

        RProperty::Get(KHsCategoryUid, KHsCategoryStateKey, state);

        if (state == EHomeScreenIdleState) {

            activityEnabler->launchActivityL(KAppLibActivactionUri);

        } else {

            activityEnabler->launchActivityL(KHsActivactionUri);

        }    

        CleanupStack::PopAndDestroy(activityEnabler);

        CleanupStack::PopAndDestroy(&apaLsSession);

    }

}

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

// 

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

//

void CHsAppKeyPlugin::HandleLongPressL()

{

    if( !mDialog ) {

        TInt value( 0 );

        RProperty::Get( TsProperty::KCategory, 

                    TsProperty::KVisibilityKey,

                    value );

        if(!value) {

            mDialog = CHbDeviceDialogSymbian::NewL();    

            CHbSymbianVariantMap* params = CHbSymbianVariantMap::NewL();

            if(KErrNone != mDialog->Show(KTsPluginName,*params,this)) {

                delete mDialog;

                mDialog = 0;

            }

            delete params;

        }

    }

}

//  End of File