/*

* Copyright (c) 2007-2010 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:  Base class for all views used in the Camera application*

*/

// INCLUDE FILES

#include "CamAppUi.h"

#include "CamViewBase.h"

#include "CamContainerBase.h"

#include "CamStandbyContainer.h"

#include "CamUtility.h"

#include "CamPanic.h"

#include <eikmenub.h>

#include <StringLoader.h>

#include <AknQueryDialog.h>

#include <aknnotewrappers.h>

#include <cameraapp.rsg>

#include <vgacamsettings.rsg>

#include <akntoolbar.h>

#include "CamUtility.h"

#include <AknWaitDialog.h>

#include "CamWaitDialog.h"

#include "CamCommandHandlerAo.h"

#include "CameraUiConfigManager.h"

static const TRect KCamCbaHiddenRect = TRect(640,640,640,640);

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

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

// CCamViewBase destructor

// 

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

//

CCamViewBase::~CCamViewBase()

  {

  PRINT( _L("Camera => ~CCamViewBase" ))  

  if ( iStandbyContainer )

    {

    CAknViewAppUi* appUi = AppUi();

    if ( appUi )

      {

      appUi->RemoveFromStack( iStandbyContainer );

      }

    delete iStandbyContainer;

    iStandbyContainer = NULL;

    }

  delete iContainer;

  iContainer = NULL;

  delete iCommandHandlerAo;

  iCommandHandlerAo = NULL;

  PRINT( _L("Camera <= ~CCamViewBase" ))  

  }

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

// CCamViewBase::HandleFocusLossL

// Handle focus loss

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

//

void CCamViewBase::HandleFocusLossL()

    {

    // intentionally doing nothing

    }

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

// HandleAppEvent <<virtual>>

//

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

//

void 

CCamViewBase::HandleAppEvent( const TCamAppEvent& aEvent )

  {

  PRINT1( _L("Camera => CCamViewBase::HandleAppEvent, event:%d"), aEvent );

  if( iContainer )

    {

    iContainer->HandleAppEvent( aEvent );

    }

  PRINT( _L("Camera <= CCamViewBase::HandleAppEvent") );

  }

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

// CCamViewBase::PrepareForModeChange

// Prepare for mode change

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

//

void CCamViewBase::PrepareForModeChange()   

    {

    // intentionally doing nothing

    }

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

// CCamViewBase::HandleCommandL

// Handle commands

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

//

void CCamViewBase::HandleCommandL( TInt aCommand )

    {

    PRINT( _L("Camera => CCamViewBase::HandleCommandL"))

    switch(aCommand)

        {

        case ECamCmdInternalExit:

            {   

            TInt standbyError = KErrNone;        

            if ( iStandbyModeActive && iStandbyContainer )

                {

                standbyError = iStandbyContainer->GetStandbyError();

                ExitStandbyModeL();

                }

            if ( standbyError != KErrNone )

                {

                AppUi()->HandleCommandL( EEikCmdExit );

                }

            else

                {

                AppUi()->HandleCommandL( aCommand );

                }

            // dismiss menu - if open

            StopDisplayingMenuBar();

            }

            break;

        case ECamCmdRedrawScreen:

            {

            if( iContainer )

            	{

            	iContainer->DrawDeferred();

            	}           

            }

            break;

        default:

            {

            AppUi()->HandleCommandL( aCommand );

            break;

            }

        }

    }

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

// CCamViewBase::HandleForegroundEventL

// Handle foreground event

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

//

void CCamViewBase::HandleForegroundEventL( TBool /*aForeground*/ )

    {

    PRINT( _L("CCamViewBase::HandleForegroundEventL") );

    CCamAppUiBase* appUi = static_cast<CCamAppUiBase*>( AppUi() );  

    iEmbedded = appUi->IsEmbedded();

    PRINT1( _L("CCamViewBase::HandleForegroundEventL embedded %d"), iEmbedded );    

    }

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

// CCamViewBase::DoActivateL

// Activate this view

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

//

void 

CCamViewBase::DoActivateL( const TVwsViewId& /*aPostvViewId*/, 

                                 TUid        aCustomMessageId, 

                           const TDesC8&     /*aCustomMessage*/ )

  {

  PRINT( _L("Camera => CCamViewBase::DoActivateL"));    

  CCamContainerBase::DestroyActivePalette();     

  if(ECamViewMessageDeactivateFirst == aCustomMessageId.iUid)

    {

    PRINT( _L("CCamViewBase::DoActivateL call deactivate"));    

    TBool wasCameraUser = IsCameraUser();    

    PrepareDeactivate();

    // since we still use it

    if( wasCameraUser )

      {

      IncrementCameraUsers();

      }

    }

  CCamAppUiBase* appUi = static_cast<CCamAppUiBase*>( AppUi() );  

  iEmbedded = appUi->IsEmbedded();

  PRINT1( _L("CCamViewBase::DoActivateL Embedded %d"), iEmbedded);    

  if ( !iContainer )

    {

    CreateContainerL();

    if( iTempContainer )

        {

        AppUi()->RemoveFromStack( iTempContainer );

        }

    AppUi()->AddToStackL( *this, iContainer );

    iContainer->ActivateL();

    }

  PostDeactivate();

  SetTitlePaneTextL();

  TInt orientation;

  TCamPsiKey queryValue = ECamPsiOrientation;

  CCameraUiConfigManager* configManager = iController.UiConfigManagerPtr(); 

  if ( configManager && configManager->IsSecondaryCameraSupported() )

      {

      if ( appUi->IsSecondCameraEnabled() && !appUi->IsQwerty2ndCamera() ) // if front camera is active         

          {

          queryValue = ECamPsiSecondaryCameraOrientation;

          }

      else // back camera is active

          {

          queryValue = ECamPsiPrimaryCameraOrientation;

          }

      }

  CamUtility::GetPsiInt( queryValue, orientation );

  AppUi()->SetOrientationL( ( CAknAppUiBase::TAppUiOrientation ) orientation );

  TCamOrientation camOrientation = appUi->CamOrientation();

  // if in camcorder mode need to show navi-ctr

  if( camOrientation == ECamOrientationCamcorder ||  

      camOrientation == ECamOrientationCamcorderLeft || 

      camOrientation == ECamOrientationPortrait )

    {

		iContainer->SetupNaviPanesL( CCamContainerBase::ECamPaneCounter );

		}

  PRINT( _L("Camera <= CCamViewBase::DoActivateL"));    

  }

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

// CCamViewBase::DoDeactivate

// Deactivate this view

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

//

void CCamViewBase::DoDeactivate()

  {

  PRINT( _L("Camera => CCamViewBase::DoDeactivate" ))

	// Both standard container and standby container should be deactivated

    if ( iStandbyContainer ) // implies IsInStandbyMode

        {

        AppUi()->RemoveFromStack( iStandbyContainer );

        delete iStandbyContainer;

        iStandbyContainer = NULL;

        SetStandbyModeActive( EFalse );

        }

	if ( iContainer )

		{

  		AppUi()->RemoveFromStack( iContainer );

    	delete iContainer;

    	iContainer = NULL;

    	}

	PRINT( _L("Camera <= CCamViewBase::DoDeactivate" ))

	}

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

// CCamViewBase::PrepareDeactivate

// Prepare deactivation of this view

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

//

void CCamViewBase::PrepareDeactivate()

    {

    PRINT( _L("Camera => CCamViewBase::PrepareDeactivate" ));

      // Both standard container and standby container should be deactivated

      // Store them for temporal variables until new containers have been

      // created.

      if ( iStandbyContainer ) // implies IsInStandbyMode

          {

          AppUi()->RemoveFromStack( iStandbyContainer );

          iTempStandbyContainer=iStandbyContainer;

          iStandbyContainer = NULL;

          SetStandbyModeActive( EFalse );

          }

      if ( iContainer )

          {

          iTempContainer=iContainer;

          iContainer = NULL;

          }          

    PRINT( _L("Camera <= CCamViewBase::PrepareDeactivate" ));    

    }

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

// CCamViewBase::PostDeactivate

// Completed prepared deactivation of this view

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

//

void CCamViewBase::PostDeactivate()

    {

    PRINT( _L("Camera => CCamViewBase::PostDeactivate" ));    

    // Both standard container and standby container should be deactivated

    if ( iTempStandbyContainer ) // implies IsInStandbyMode

        {

        delete iTempStandbyContainer;

        iTempStandbyContainer = NULL;

        }

    if ( iTempContainer )

        {

        delete iTempContainer;

        iTempContainer = NULL;

        }              

    PRINT( _L("Camera <= CCamViewBase::PostDeactivate" ));    

    }

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

// CCamViewBase::CCamViewBase

// C++ constructor

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

//

CCamViewBase::CCamViewBase( CCamAppController& aController )

    : iController( aController )

    {

    }

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

// CCamViewBase::UpdateCbaL

// Update softkeys to reflect current state

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

//

void CCamViewBase::UpdateCbaL()

    {

    }

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

// CCamViewBase::BlankSoftKeysL

// Blank the softkeys

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

//

void CCamViewBase::BlankSoftkeysL()

    {

    // blank the cba 

    SetSoftKeysL( R_CAM_SOFTKEYS_BLANK );

    }

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

// CCamViewBase::SwitchToStandbyModeL

// Switches to standby mode

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

//

void CCamViewBase::SwitchToStandbyModeL( TCamAppViewIds aViewId, TInt aError )

    {

    PRINT( _L("Camera => CCamViewBase::SwitchToStandbyModeL") );

    // check if already in standby mode

    if( iStandbyModeActive )

    	{

    	PRINT( _L("Camera <= CCamViewBase::SwitchToStandbyModeL: already in standby") );

    	return;

    	}

    StatusPane()->MakeVisible( ETrue );

    delete iStandbyContainer;

    iStandbyContainer = NULL;

    iStandbyContainer = CCamStandbyContainer::NewL( AppUi()->ClientRect(),

                                                    *this, iController, aError );

    // dismiss menu - if open

    StopDisplayingMenuBar();

    // save options menu id for reactivation

    if ( aViewId == ECamViewIdStillPreCapture )

        {

        if ( iEmbedded )

            {

            iPreviousMenuResourceId = ROID(R_CAM_STILL_EMBEDDED_PRE_CAPTURE_MENUBAR_ID);

            }

        else

            {

            iPreviousMenuResourceId = ROID(R_CAM_STILL_PRE_CAPTURE_MENUBAR_ID);

            }

        }

    else if ( aViewId == ECamViewIdVideoPreCapture )

        {

        if ( iEmbedded )

            {

            iPreviousMenuResourceId = ROID(R_CAM_VIDEO_EMBEDDED_PRE_CAPTURE_MENUBAR_ID);

            }

        else

            {

            iPreviousMenuResourceId = ROID(R_CAM_VIDEO_PRE_CAPTURE_MENUBAR_ID);

            }

        }

    else if ( aViewId == ECamViewIdVideoSettings )

        {

        iPreviousMenuResourceId = ROID(R_CAM_SETTINGS_LIST_MENUBAR_ID);

        }

    else if ( aViewId == ECamViewIdPhotoSettings )

        {

        iPreviousMenuResourceId = ROID(R_CAM_SETTINGS_LIST_MENUBAR_ID);

        }

    else

        {

        // remove Lint error

        }

    // activate standby container and deactivate current container

    iStandbyContainer->SetMopParent( this );   

    CCamAppUi* appUi =  static_cast<CCamAppUi*>( AppUi() );

    appUi->AddToStackL( *this, iStandbyContainer );

    iStandbyContainer->ActivateL();

    appUi->RemoveFromStack( iContainer );

    iContainer->MakeVisible( EFalse );   

    iStandbyContainer->MakeVisible( ETrue );

    iStandbyContainer->DrawNow();

    UnsetCourtesySoftKeysL();

    // update softkeys

    if ( !appUi->IsConstructionComplete() )

    	{

    	BlankSoftkeysL();

    	}

    else if ( appUi->StandbyStatus() == KErrInUse ||

              appUi->StandbyStatus() == KErrPermissionDenied ||

              appUi->StandbyStatus() == KErrAccessDenied )

        {

        SetSoftKeysL( R_CAM_SOFTKEYS_OPTIONS_EXIT );	

        }	

    else if ( iEmbedded )

        {

        SetSoftKeysL( R_CAM_SOFTKEYS_OPTIONS_BACK__CONTINUE );

        }

    else

        {

        SetSoftKeysL( R_CAM_SOFTKEYS_OPTIONS_EXIT__CONTINUE );

        if( Cba() && !appUi->IsRecoverableStatus() )

            {

            Cba()->MakeCommandVisible( ECamCmdExitStandby, EFalse );

            }

        }

    // change options menu

    CEikMenuBar* menuBar = MenuBar();

    if ( menuBar )

        {

        menuBar->SetMenuTitleResourceId( R_CAM_STANDBY_MENUBAR );

        }

//    if ( iStandbyError != KErrNone )

    if ( appUi->StandbyStatus() != KErrNone && appUi->IsRecoverableStatus())

        {

        // stop idle timer - non recoverable error

        iController.StopIdleTimer();

        }

    SetStandbyModeActive(ETrue);

    // Release the camera hardware

    iController.ReleaseCamera();