/*

* Copyright (c) 2008 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:  AppUI implementation

*

*/

#include <hlplch.h>                     // Help launcher

#include <sysutil.h>                    // disk space check

#include <f32file.h>                    // TDriveNumber::EDriveC

#include <s32mem.h>

#include <StringLoader.h>

#include <AknQueryDialog.h>

#include <aknview.h>

#include <aknconsts.h>

#include <AiwGenericParam.h>

#include <coeutils.h>

#include <mpxplaybackutility.h>

#include <mpxplaybackmessage.h>

#include <mpxviewutility.h>

#include <vcxmyvideosdefs.h>

#include <mpxvideoplayer.rsg>

#include "mpxvideoplayerappui.h"

#include "mpxvideoplayerconstants.h"

#include "mpxvideoplayerlogger.h"

#include "mpxvideoplayerappuiengine.h"

#include "mpxvideoplayeraiwparamextractor.h"

#include "mpxvideo_debug.h"

#include "videoplayerpskeys.h"

// Matrix uid, needed for activating the suite view.

const TInt KVcxMatrixUid = 0x101F4CD2;

// The action=exit flag tells menu that the suite app view is exiting via options->exit.

_LIT8( KVcxVideoSuiteExitMessage, "mm://tvvideosuite?action=exit" );

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

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

// CMpxVideoPlayerAppUi::CMpxVideoPlayerAppUi

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

//

CMpxVideoPlayerAppUi::CMpxVideoPlayerAppUi()

    : iEndKeyExit( EFalse )

{

    MPX_DEBUG(_L("CMpxVideoPlayerAppUi::CMpxVideoPlayerAppUi()"));

}

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

// CMpxVideoPlayerAppUi::ConstructL

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

//

void CMpxVideoPlayerAppUi::ConstructL()

{

    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUi::ConstructL()"));

    BaseConstructL( EAknEnableSkin | EAknSingleClickCompatible );

    DoWgIdUpkeep();

    if ( IsEmbedded() )

    {

        //

        //  Set the orientation to landscape for Embedded instances

        //

        SetOrientationL( CAknAppUiBase::EAppUiOrientationLandscape );

    }

    else

    {

        //

        //  if we are stand alone mode store window group id to RProperty

        //  so we can identify it in ActionHandlerPlugin.

        //

        RProperty::Define( KVideoPlayerRPropertyCategory,

                           KVideoPlayerRPropertyWGIdKey,

                           RProperty::EInt );

        RProperty::Set( KVideoPlayerRPropertyCategory,

                        KVideoPlayerRPropertyWGIdKey,

                        iCoeEnv->RootWin().Identifier() );

    }

    iAppUiEngine = CMpxVideoPlayerAppUiEngine::NewL( this );

}

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

// CMpxVideoPlayerAppUi::DoWgIdUpkeer

// Checks if stored wgid is run by other application than us

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

//

void CMpxVideoPlayerAppUi::DoWgIdUpkeep()

{

    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUi::DoWgIdUpkeep()"));

    // Do the upkeep for stand alone wg identifier

    // If we find that the WgId of this application is same

    // as the one stored in RProperty we know that the stand

    // alone has crashed and we have to clear it.

    TInt wgId( 0 );

    TInt err( RProperty::Get( KVideoPlayerRPropertyCategory, KVideoPlayerRPropertyWGIdKey, wgId ) );

    if ( wgId && !err )

    {

        if ( IsEmbedded() && wgId == iCoeEnv->RootWin().Identifier() )

        {

            // Stored wgId is ours and we are in embedded mode. Delete!

            RProperty::Delete( KVideoPlayerRPropertyCategory,

                               KVideoPlayerRPropertyWGIdKey );

        }

    }

}

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

// CMpxVideoPlayerAppUi::~CMpxVideoPlayerAppUi

// Destructor. Frees reserved resources

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

//

CMpxVideoPlayerAppUi::~CMpxVideoPlayerAppUi()

{

    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUi::~CMpxVideoPlayerAppUi()"));

    // If we are running in embedded we keep the RProperty alive when exiting.

    if ( ! IsEmbedded() )

    {

        RProperty::Delete( KVideoPlayerRPropertyCategory,

                           KVideoPlayerRPropertyWGIdKey );

    }

    delete iAppUiEngine;

}

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

// CMpxVideoPlayerAppUi::HandleExit

// Handles exit command

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

//

void CMpxVideoPlayerAppUi::HandleExit()

{

    Exit();

}

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

// CMpxVideoPlayerAppUi::ProcessCommandParametersL

// From CEikAppUi, called from plugin when remind occurs and MpxVideoPlayer is not

// exist

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

//

TBool CMpxVideoPlayerAppUi::ProcessCommandParametersL( TApaCommand aCommand,

                                                       TFileName& aDocumentName,

                                                       const TDesC8& aTail )

{

    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUi::ProcessCommandParametersL()"),

                   _L("aCommand = %d"), aCommand );

    return iAppUiEngine->ProcessCommandParametersL( aCommand, aDocumentName, aTail );

}

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

// From CEikAppUi.

// Handle window server events.

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

//

void CMpxVideoPlayerAppUi::HandleWsEventL( const TWsEvent& aEvent, CCoeControl* aDestination )

{

    TInt eventType = aEvent.Type();

    if ( eventType == KAknUidValueEndKeyCloseEvent // End Call key

            || eventType == KAknShutOrHideApp ) // Exit cmd from Task Switcher

    {

        MPX_DEBUG(_L("CMpxVideoPlayerAppUi::HandleWsEventL() Closed by framework"));

        iEndKeyExit = ETrue;

        iAppUiEngine->PrepareCloseMpxL();

    }

    CAknAppUi::HandleWsEventL( aEvent, aDestination );

}

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

// CMpxVideoPlayerAppUi::HandleCommandL

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

//

void CMpxVideoPlayerAppUi::HandleCommandL( TInt aCommand )

{

    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUi::HandleCommandL()"),

                   _L("aCommand = %d"), aCommand );

    switch ( aCommand )

    {

        case EEikCmdExit: // fall through

        case EAknCmdExit:

        {

            MPX_DEBUG(_L("CMpxVideoPlayerAppUi::HandleCommandL() - Exit"));

            iAppUiEngine->PrepareCloseMpxL();

            //

            //  Send message to matrix menu on a stand alone instance if:

            //     1)  End Key is pressed

            //     2)  Exit command has been issued

            //

            if ( ! IsEmbedded() && ( ! iEndKeyExit && iAppUiEngine->ExitToMatrixMenu() ) )

            {

                LaunchMmViewL( KVcxVideoSuiteExitMessage );

            }

            HandleExit();

            break;

        }

        case EAknSoftkeyBack:

        {

            iAppUiEngine->HandleSoftKeyBackL();

            break;

        }

        case EAknCmdHelp:

        {

            MPX_DEBUG(_L("CMpxVideoPlayerAppUi::HandleCommandL() - Help"));

            HlpLauncher::LaunchHelpApplicationL( iEikonEnv->WsSession(), AppHelpContextL() );

            break;

        }

        case EAknCmdHideInBackground:

        {

            iAppUiEngine->ClearPdlInformation();

            break;

        }

        default:

        {

            // do nothing if the command is not reconized

            break;

        }

    }

}

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

// Querying whether the application is launched in embedded mode or not.

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

//

TBool CMpxVideoPlayerAppUi::IsEmbedded() const

{

    TBool embedded = iEikonEnv->StartedAsServerApp();

    MPX_DEBUG(_L("CMpxVideoPlayerAppUi::IsEmbedded(%d)"), embedded );

    return embedded;

}

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

// Opens the specified file in response to a corresponding message.

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

//

void CMpxVideoPlayerAppUi::OpenFileL( RFile& aFile, const CAiwGenericParamList* aParams )

{

    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUi::OpenFileL(RFile)"));

    MPX_TRAPD( err, iAppUiEngine->OpenFileL( aFile, aParams ) );

    //

    //  Cancel comes from a Cancel on the Select AP dialog

    //  Perform a softkey back

    //

    if ( err )

    {

        if ( err == KErrCancel )

        {

            // if the app is launched in embedded mode (view history depth would be zero)

            // we close the app using the softkey back, if it was launched by a active view

            // we stay in that view.

            if ( iAppUiEngine->ViewHistoryDepth() <= 0 )

            {

                MPX_TRAPD( error, HandleCommandL( EAknSoftkeyBack ) );

            }

        }

        else

        {

            User::Leave( err );

        }

    }

    aFile.Close();

}

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

// From CEikAppUi.

// Opens the specified file

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

//

void CMpxVideoPlayerAppUi::OpenFileL( const TDesC& aFileName )

{

    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUi::OpenFileL()"),

                   _L("aFileName = %S"), &aFileName );

    MPX_TRAPD( err, iAppUiEngine->OpenFileL( aFileName ) );

    //

    //  Cancel comes from a Cancel on the Select AP dialog

    //  Perform a softkey back

    //

    if ( err )

    {

        if ( err == KErrCancel )

        {

            // if the app is launched in embedded mode (view history depth would be zero)

            // we close the app using the softkey back, if it was launched by a active view

            // we stay in that view.

            if ( iAppUiEngine->ViewHistoryDepth() <= 0 )

            {

                MPX_TRAPD( error, HandleCommandL( EAknSoftkeyBack ) );

            }

        }

        else

        {

            User::Leave( err );

        }

    }

}

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

// From CEikAppUi

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

//

MCoeMessageObserver::TMessageResponse

CMpxVideoPlayerAppUi::HandleMessageL( TUint32 aClientHandleOfTargetWindowGroup,

                                      TUid aMessageUid,

                                      const TDesC8& aMessageParameters )

{

    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUi::HandleMessageL()"));

    MCoeMessageObserver::TMessageResponse ret( EMessageNotHandled );

    if ( iAppUiEngine->HandleMessageL( aMessageUid, aMessageParameters ) )

    {

        ret = EMessageHandled;

    }

    else

    {

        ret = CAknViewAppUi::HandleMessageL( aClientHandleOfTargetWindowGroup,

                                             aMessageUid,

                                             aMessageParameters );

    }

    return  ret;

}

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

// From CCoeAppUi.

// Handle foreground event.

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

//

void CMpxVideoPlayerAppUi::HandleForegroundEventL( TBool aForeground )

{

    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUi::HandleForegroundEventL()"),

                   _L("aForeground = %d"), aForeground );

    CAknViewAppUi::HandleForegroundEventL( aForeground );

}

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

// Return active view.

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

CAknView* CMpxVideoPlayerAppUi::View()

{

    return iView;

}

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

// Sends a message to Matrix Menu

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

//

void CMpxVideoPlayerAppUi::LaunchMmViewL( const TDesC8& aMessage )

{

    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUi::LaunchMmViewL()"));

    TApaTaskList taskList( iCoeEnv->WsSession() );

    TApaTask task = taskList.FindApp( TUid::Uid( KVcxMatrixUid ) );

    if ( task.Exists() )

    {

        //

        //  Matrix is already running in background - send APA Message

        //

        task.SendMessage( TUid::Uid( KUidApaMessageSwitchOpenFileValue ), aMessage );

    }

}