/*

* 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:  Implements the quality slider for image and video settings*

*/

// INCLUDE FILES

#include <gscamerapluginrsc.rsg>

#include <cameraapp.mbg>

#include <barsread.h>

#include <AknQueryValue.h>

#include <AknIconUtils.h>

#include <StringLoader.h>

#include <AknsUtils.h>

#include <AknsDrawUtils.h>

#include <aknlayoutscalable_apps.cdl.h>

#include <akniconconfig.h>

#include <akntitle.h>  // CAknTitlePane

#include <aknappui.h>

#include <touchfeedback.h>  

#include "CamAppUiBase.h"

#include "GSCamQualitySettingContainer.h"

#include "GSCamQualitySettingSlider.h"

#include "CamUtility.h"

#include "camuiconstants.h"

#include "MCamAppController.h"

#include "CamControllerObservers.h"

#include "MCamStaticSettings.h"

#include "camconfiguration.h"

// CONSTANTS

const TUint KMaxRemainingImagesShown = 9999;

_LIT( KRemainingImagesNumberFormat, "%04d" );

// MACROS

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

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

// CGSCamQualitySettingContainer::CGSCamQualitySettingContainer

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CGSCamQualitySettingContainer::CGSCamQualitySettingContainer(

    MCamAppController& aController,

    TCamCameraMode     aMode,

    CCoeControl*       aParent )

  : iController( aController ),

    iParent( aParent ),

    iMode      ( aMode       )

  {

  }

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

// CGSCamQualitySettingContainer::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CGSCamQualitySettingContainer::ConstructL()

  {

  CCamAppUiBase* appUi = static_cast<CCamAppUiBase*>( CCoeEnv::Static()->AppUi() );

  MCamStaticSettings& model = appUi->StaticSettingsModel();

  iController.AddControllerObserverL( this );

  TCamSettingItemIds settingType = ( ECamControllerVideo == iMode )

                                   ? ECamSettingItemVideoQuality

                                   : ECamSettingItemPhotoQuality;

  iSlider = CGSCamQualitySettingSlider::NewL( iParent, this, settingType, 0,

                                              &(model.Configuration()) );

  iSelectedQuality = model.IntegerSettingValue( settingType );

  iTimeFormat = ( ECamControllerVideo == iMode )                                   

              ? iEikonEnv->AllocReadResourceL( R_QTN_TIME_DURAT_LONG )

              : KRemainingImagesNumberFormat().AllocL();

  TFileName resFileName;

  CamUtility::ResourceFileName( resFileName );

  TPtrC resname = resFileName;

  // ...phone memory icon

  AknIconUtils::CreateIconL( iPhoneIcon,

                             iPhoneIconMask,

                             resname,

                             EMbmCameraappQgn_indi_cam4_memory_phone,

                             EMbmCameraappQgn_indi_cam4_memory_phone_mask );

  // ...mmc icon

  AknIconUtils::CreateIconL( iMMCIcon,

                             iMMCIconMask,

                             resname, 

                             EMbmCameraappQgn_indi_cam4_memory_mmc,

                             EMbmCameraappQgn_indi_cam4_memory_mmc_mask );

   // ...mass storage icon

  AknIconUtils::CreateIconL( iMassStorageIcon,

                             iMassStorageIconMask,

                             resname, 

                             EMbmCameraappQgn_indi_cam4_memory_mass,

                             EMbmCameraappQgn_indi_cam4_memory_mass_mask );

  UpdateRemainingTextL();

  }

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

// CGSCamQualitySettingContainer::NewL

// Two-phased constructor.

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

//

CGSCamQualitySettingContainer* 

CGSCamQualitySettingContainer::NewL( MCamAppController& aController,

                                     TCamCameraMode     aMode,

                                     CCoeControl*       aParent )

  {

  CGSCamQualitySettingContainer* self = 

      new( ELeave ) CGSCamQualitySettingContainer( aController, aMode, aParent );

  CleanupStack::PushL( self );

  self->ConstructL();

  CleanupStack::Pop();

  return self;

  }

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

// CGSCamQualitySettingContainer::~CGSCamQualitySettingContainer

// Destructor

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

//

CGSCamQualitySettingContainer::~CGSCamQualitySettingContainer()

  {

  PRINT( _L("Camera => ~CGSCamQualitySettingContainer") );

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

  if ( appUi )

    {

    TInt resId = ( ECamControllerVideo == iMode )

               ? R_CAM_VIDEO_SETTINGS_TITLE_NAME

               : R_CAM_PHOTO_SETTINGS_TITLE_NAME;

    TRAP_IGNORE( appUi->SetTitleL( resId ) );

    }

  iController.RemoveControllerObserver( this );

  delete iPhoneIcon;

  delete iPhoneIconMask;

  delete iMMCIcon;

  delete iMMCIconMask;

  delete iMassStorageIcon;

  delete iMassStorageIconMask;

  delete iTimeFormat;

  // delete descriptors from arrays

  if ( iTitleArray )

    {

    iTitleArray->Reset();

    delete iTitleArray;

    }

  if ( iDescArray )

    {

    iDescArray->Reset();

    delete iDescArray;

    }

  if ( iCurrentDescLineArray )

    {

    iCurrentDescLineArray->Reset();

    delete iCurrentDescLineArray;

    }

  iLayoutSettingDescLines.Reset();

  iEnumArray.Reset();

  delete iSlider;

  delete iTextTitle;

  delete iTextTopSubtitle;

  delete iTextBottomSubtitle;

  delete iTextRemainingTitle;

  iSupportedQualitiesArray.Close();

  PRINT( _L("Camera <= ~CGSCamQualitySettingContainer") );

  }

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

// CGSCamQualitySettingContainer::SelectedQuality

// Returns the quality selected by the slider

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

//

TInt CGSCamQualitySettingContainer::SelectedQuality() const

  {

  return iSelectedQuality;

  }

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

// CGSCamQualitySettingContainer::ConstructFromResourceL

// Constructs the container from the resource

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

//

void CGSCamQualitySettingContainer::ConstructFromResourceL( TResourceReader& aReader )

  {

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

  // set up the container windows here as setting page window

  // isn't created until CAknSettingPage::ConstructFromResourceL is called

  SetContainerWindowL( *iParent );

  iSlider->SetContainerWindowL( *iParent );

  // read the texts from the resource file

  iTextTitle = aReader.ReadHBufCL();

  appUi->SetTitleL( iTextTitle->Des() );

  iTextTopSubtitle    = aReader.ReadHBufCL();

  iTextBottomSubtitle = aReader.ReadHBufCL();

  iTextRemainingTitle = aReader.ReadHBufCL();

  TCamPsiKey key = ( ECamControllerVideo == iMode )

                   ? ECamPsiSupportedVideoQualities

                   : ECamPsiSupportedStillQualities;

  iConfiguration = &(appUi->StaticSettingsModel().Configuration());

  iConfiguration->GetPsiIntArrayL( key, iSupportedQualitiesArray );  

  iTitleArray = new( ELeave ) CDesCArrayFlat( 1 );

  iDescArray  = new( ELeave ) CDesCArrayFlat( 1 );

  // read the descriptive text and split the text into 3 lines

  ReadInTextArrayL( aReader, *iTitleArray );

  ReadInTextArrayL( aReader, *iDescArray ); 

  // Read the setting enums that match with the text arrays.

  TInt count = aReader.ReadInt16();

  TInt suppCount = iSupportedQualitiesArray.Count();

  TInt i = 0;    

  TInt j = 0;

  for ( i = 0; i < count && j < suppCount ; i++ )

    {

    TInt val = aReader.ReadInt16();

    // check if it's a supported quality level

    if ( i == iSupportedQualitiesArray[j] )

      {

      if ( ECamControllerVideo == iMode )

        {

        User::LeaveIfError( iEnumArray.Append( static_cast<TCamVideoQualitySettings>( val ) ) );                

        }

      else

        {

        User::LeaveIfError( iEnumArray.Append( static_cast<TCamImageQualitySetting>( val ) ) );

        }                           

      j++;

      }

    }

  // TCamImageQualitySetting enum starts with highest quality == 0

  // so convert this to value the slider understands i.e. 0 == lowest

  TInt sliderValue = iEnumArray.Count() - 1 - iSelectedQuality;

  iSlider->InitializeL( sliderValue, iTextTopSubtitle, iTextBottomSubtitle );

  // Set the new range of values

  iSlider->SetRange( 0, iEnumArray.Count() - 1 );

  iCurrentDescLineArray = new( ELeave ) CArrayFixFlat<TPtrC>( 3 );

  // Use the layout info from the first line for width and font

  TAknLayoutText layout = iLayoutSettingDescLines[0];

  AknTextUtils::WrapToArrayL( ( *iDescArray )[iSelectedQuality], 

                              layout.TextRect().Width(), 

                              *( layout.Font() ), 

                              *iCurrentDescLineArray );   

  }

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

// CGSCamQualitySettingContainer::CountComponentControls

// return the number of component controls

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

//

TInt CGSCamQualitySettingContainer::CountComponentControls() const

  {

  return 1; // the slider

  }

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

// CGSCamQualitySettingContainer::ComponentControl

// return the control at a given index

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

//

CCoeControl* CGSCamQualitySettingContainer::ComponentControl( TInt /*aIndex*/ ) const

  {

  return iSlider;

  }

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

// CGSCamQualitySettingContainer::Draw

// Draws the container

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

//

void CGSCamQualitySettingContainer::Draw( const TRect& /*aRect*/ ) const

  {

  PRINT( _L("Camera => CGSCamQualitySettingContainer::Draw") );

  CWindowGc& gc = SystemGc();

  // Draw skin background

  MAknsSkinInstance* skin = AknsUtils::SkinInstance();

  MAknsControlContext* cc = AknsDrawUtils::ControlContext( this );

  AknsDrawUtils::Background( skin, cc, gc, Rect() );

  // draw the title text   

  TRgb color;

  AknsUtils::GetCachedColor( skin, color, KAknsIIDQsnTextColors,

                             EAknsCIQsnTextColorsCG6 );

  // draw the quality description text

  DrawQualityTexts( gc, color );

  // draw the remaining images/remaining video time

  iLayoutRemainingTitle.DrawText( gc, iTextRemainingTitle->Des(), ETrue, color );

  // draw the remaining images/remaining video time

  TBufC<40> Buf( iTextRemaining );

  TPtr Pointer = Buf.Des();

  AknTextUtils::LanguageSpecificNumberConversion( Pointer );

  iLayoutRemainingText.DrawText( gc, /*iTextRemaining*/Buf, ETrue, color );

  // draw the current location icon

  DrawStorageIcon( gc );

  PRINT( _L("Camera <= CGSCamQualitySettingContainer::Draw") );

  }

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

// CGSCamQualitySettingContainer::SizeChanged

// Handles a change in the size of the control

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

//

void CGSCamQualitySettingContainer::SizeChanged()

  {

  TRAP_IGNORE( ReadLayoutL() );

  }

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

// CGSCamQualitySettingContainer::OfferKeyEventL

// Handles key events

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

//

TKeyResponse CGSCamQualitySettingContainer::OfferKeyEventL( const TKeyEvent& aKeyEvent, 

                                                            TEventCode aType ) 

  {

  TKeyResponse keyResponse = iSlider->OfferKeyEventL( aKeyEvent, aType );

  if ( keyResponse == EKeyWasConsumed )

    {

    ReportEventL( MCoeControlObserver::EEventStateChanged );

    }

  return keyResponse;

  }

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

// CGSCamQualitySettingContainer::HandleSettingValueUpdateL

// Handles a change to the setting value of the slider

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

//

void CGSCamQualitySettingContainer::HandleSettingValueUpdateL( TInt aNewValue )

  {

  ASSERT ( aNewValue >= 0 && 

           aNewValue < iEnumArray.Count() );            

  // The slider values range from Max at the top (eg 5) to Min at the bottom (0).

  // For quality settings enum (0 is Max, 4 is Min) need to invert this

  TInt index = iSlider->MaxValue() - aNewValue;

  if ( ECamControllerVideo == iMode )

      {

      iSelectedQuality = index;

      }

  else

      {

      iSelectedQuality = index;

      }

  // remove the old lines

  iCurrentDescLineArray->Reset();

  // Use the layout info from the first line for width and font

  TAknLayoutText layout = iLayoutSettingDescLines[0];

  AknTextUtils::WrapToArrayL( ( *iDescArray )[iSelectedQuality], 

                              layout.TextRect().Width(), 

                              *( layout.Font() ), 

                              *iCurrentDescLineArray );

  /* -

  // Update the number of images remaining

  UpdateRemainingTextL();

  */

  // +

  ResetRemainingTextL();

  // Results in a call to CCamQualitySettingPage::UpdateSettingL()

  ReportEventL( MCoeControlObserver::EEventStateChanged );

  /*ActivateGc();

  Window().Invalidate( iLayoutDescRect.Rect() );

  DeactivateGc();*/

  DrawNow();

  }

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

// CGSCamQualitySettingContainer::HandleControllerEventL

// Handles a change in the controller

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

//

void CGSCamQualitySettingContainer::HandleControllerEventL( 

                         TCamControllerEvent aEvent, TInt /*aError*/ )

  {

  PRINT( _L("Camera => CGSCamQualitySettingContainer::HandleControllerEventL") );

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

  TBool redrawNeeded = EFalse;

  // If this is a capture complete event, or the image quality or save

  // location has changed...

  if ( aEvent == ECamEventImageQualityChanged ||

       aEvent == ECamEventSaveLocationChanged ||

       aEvent == ECamEventVideoQualityChanged  )

    {

    UpdateRemainingTextL();

    if ( aEvent == ECamEventSaveLocationChanged )

      {

      /*TCamSettingItemIds storageLocation = ( ECamControllerVideo == iMode) 

                                         ? ECamSettingItemVideoMediaStorage 

                                         : ECamSettingItemPhotoMediaStorage;*/

      // update location

      /*if ( static_cast<CCamAppUi*>( iEikonEnv->AppUi() )->IsMMCRemovedNotePending() )

      	{

      	iStorageLocation = static_cast< TCamMediaStorage >

      		( iController.IntegerSettingValueUnfiltered( storageLocation ) );

      	}

      else

      	{

      	iStorageLocation = static_cast< TCamMediaStorage > 

      		( iController.IntegerSettingValue( storageLocation ) );

      	}*/

      }

    redrawNeeded = ETrue;

    }

  else

    {

    // Other events: no action

    }

  if ( redrawNeeded )        

    {

    DrawNow();

    }

  PRINT( _L("Camera <= CGSCamQualitySettingContainer::HandleControllerEventL") );

  }

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

// CGSCamQualitySettingContainer::ReadLayoutL

// Reads the layout information from the resource file

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

//

void CGSCamQualitySettingContainer::ReadLayoutL()

    {

    TAknLayoutRect settingLayout;

    settingLayout.LayoutRect( Rect(), AknLayoutScalable_Apps::main_cam_set_pane( 0 ) );

    TRect settingRect( settingLayout.Rect() );

    AknLayoutUtils::LayoutControl( iSlider, settingRect, AknLayoutScalable_Apps::main_cset_slider_pane( 2 ) );

    // set the layouts for the rects

    // containing the descriptions

    TRect infoboxRect;

    iLayoutDescRect.LayoutRect( settingRect, AknLayoutScalable_Apps::main_cset_text_pane( 0 ) );

    infoboxRect = iLayoutDescRect.Rect();

    // set quality setting title layout

    iLayoutSettingTitle.LayoutText( infoboxRect,  AknLayoutScalable_Apps::main_cset_text_pane_t1( 0 ) );

    // set layouts for 3 lines of descriptive text

    iLayoutSettingDescLines.Reset();

    TAknLayoutText layout;

    layout.LayoutText( infoboxRect, AknLayoutScalable_Apps::main_cset_text_pane_t2( 0 ) );

    User::LeaveIfError( iLayoutSettingDescLines.Append( layout ) );

    layout.LayoutText( infoboxRect, AknLayoutScalable_Apps::main_cset_text_pane_t3( 0 ) );

    User::LeaveIfError( iLayoutSettingDescLines.Append( layout ) );

    layout.LayoutText( infoboxRect, AknLayoutScalable_Apps::main_cset_text_pane_t4( 0 ) );

    User::LeaveIfError( iLayoutSettingDescLines.Append( layout ) );

    // set remaining text layouts

    iLayoutRemainingTitle.LayoutText( infoboxRect, AknLayoutScalable_Apps::main_cset_text_pane_t6( 0 ) );

    iLayoutRemainingText.LayoutText( infoboxRect, AknLayoutScalable_Apps::main_cset_text_pane_t7( 0 )  );

    // read the storage icon layout

    iLayoutIcon.LayoutRect( infoboxRect, AknLayoutScalable_Apps::main_cset_text_pane_g1( 0 ) );

    // set size for different memory type icons

    TSize iconSize ( iLayoutIcon.Rect().Size() );

    AknIconUtils::SetSize( iPhoneIcon, iconSize, EAspectRatioPreserved );

    AknIconUtils::SetSize( iMMCIcon, iconSize, EAspectRatioPreserved );

    AknIconUtils::SetSize( iMassStorageIcon, iconSize, EAspectRatioPreserved );

    }

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

// CGSCamQualitySettingContainer::DrawQualityTexts

// Draws the quality information texts

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

//

void CGSCamQualitySettingContainer::DrawQualityTexts( CWindowGc& aGc, TRgb aColor ) const

    {

    // Set the brushstyle to ENullBrush in order to not show the 

    // text background box. Otherwise it would show slightly from