messagingappbase/msgeditor/viewsrc/MsgHeader.cpp
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     1 /*
       
     2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  MsgHeader implementation
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // ========== INCLUDE FILES ================================
       
    21 
       
    22 #include <eikenv.h>                        // for CEikonEnv
       
    23 #include <gulutil.h>                       // for ColorUtils
       
    24 #include <AknUtils.h>                      // for AknUtils
       
    25 
       
    26 #include <applayout.cdl.h>              // LAF
       
    27 #include <AknsDrawUtils.h>                 // for Skinned drawing
       
    28 
       
    29 #include "MsgEditorCommon.h"               //
       
    30 #include "MsgHeader.h"                     // for CMsgHeader
       
    31 #include "MsgCaptionedHighlight.h"
       
    32 #include "MsgDummyHeaderCleaner.h"  
       
    33 #include "MsgControlArray.h"               // for CMsgControlArray
       
    34 #include "MsgExpandableControl.h"
       
    35 #include "MsgEditorPanic.h"                // for CMsgEditor panics
       
    36 #include "MsgEditorLogging.h"
       
    37 
       
    38 // ========== EXTERNAL DATA STRUCTURES =====================
       
    39 
       
    40 // ========== EXTERNAL FUNCTION PROTOTYPES =================
       
    41 
       
    42 // ========== CONSTANTS ====================================
       
    43 
       
    44 // ========== MACROS =======================================
       
    45 
       
    46 // ========== LOCAL CONSTANTS AND MACROS ===================
       
    47 
       
    48 // ========== MODULE DATA STRUCTURES =======================
       
    49 
       
    50 // ========== LOCAL FUNCTION PROTOTYPES ====================
       
    51 
       
    52 // ========== LOCAL FUNCTIONS ==============================
       
    53 
       
    54 // ========== MEMBER FUNCTIONS =============================
       
    55 
       
    56 // ---------------------------------------------------------
       
    57 // CMsgHeader::CMsgHeader
       
    58 //
       
    59 // Constructor.
       
    60 // ---------------------------------------------------------
       
    61 //
       
    62 CMsgHeader::CMsgHeader( const TMargins& aMargins )
       
    63     : CMsgFormComponent( aMargins )
       
    64     {
       
    65     }
       
    66 
       
    67 // ---------------------------------------------------------
       
    68 // CMsgHeader::~CMsgHeader
       
    69 //
       
    70 // Destructor.
       
    71 // ---------------------------------------------------------
       
    72 //
       
    73 CMsgHeader::~CMsgHeader()
       
    74     {
       
    75     AknsUtils::DeregisterControlPosition( iFrame );
       
    76     delete iFrame;
       
    77     delete iHeaderCleaner;
       
    78     AknsUtils::DeregisterControlPosition( this );
       
    79     }
       
    80 
       
    81 // ---------------------------------------------------------
       
    82 // CMsgHeader::NewL
       
    83 //
       
    84 // Factory method that creates this control.
       
    85 // ---------------------------------------------------------
       
    86 //
       
    87 CMsgHeader* CMsgHeader::NewL( const CCoeControl& aParent, const TMargins& aMargins )
       
    88     {
       
    89     CMsgHeader* self = new ( ELeave ) CMsgHeader( aMargins );
       
    90 
       
    91     CleanupStack::PushL( self );
       
    92     self->ConstructL( aParent );
       
    93     CleanupStack::Pop();
       
    94 
       
    95     return self;
       
    96     }
       
    97 
       
    98 // ---------------------------------------------------------
       
    99 // CMsgHeader::ConstructL
       
   100 //
       
   101 // 2nd phase constructor.
       
   102 // ---------------------------------------------------------
       
   103 //
       
   104 void CMsgHeader::ConstructL( const CCoeControl& aParent )
       
   105     {
       
   106     CMsgFormComponent::BaseConstructL( aParent );
       
   107     
       
   108     iFrame = CMsgCaptionedHighlight::NewL( *this );
       
   109     
       
   110     iHeaderCleaner = new (ELeave) CMsgDummyHeaderCleaner(this);
       
   111     iHeaderCleaner->ConstructL();
       
   112     
       
   113 #ifdef RD_SCALABLE_UI_V2
       
   114     User::LeaveIfError( iFrame->SetHitTest( this ) );
       
   115     User::LeaveIfError( iHeaderCleaner->SetHitTest( this ) );
       
   116 #endif // RD_SCALABLE_UI_V2
       
   117     }
       
   118 
       
   119 // ---------------------------------------------------------
       
   120 // CMsgHeader::SetAndGetSizeL
       
   121 //
       
   122 // Calculates and sets the size for the header and returns new size as reference
       
   123 // aSize. If aInit == ETrue, sets also size for the controls by calling their
       
   124 // SetAndGetSizeL functions.
       
   125 // ---------------------------------------------------------
       
   126 //
       
   127 void CMsgHeader::SetAndGetSizeL( TSize& aSize, TBool aInit )
       
   128     {
       
   129     aSize = MsgEditorCommons::MsgHeaderPane().Size();
       
   130 
       
   131     TInt numberOfControls( iControls->Count() );
       
   132     iMargins.iTop = 0;
       
   133     iMargins.iBottom = numberOfControls ? MsgEditorCommons::MsgBaseLineDelta() : 
       
   134                                           0;
       
   135                                           
       
   136     TInt marginsDeltaHeight = iMargins.iTop + iMargins.iBottom;
       
   137     TInt marginsDeltaWidth = iMargins.iLeft + iMargins.iRight;
       
   138     TSize headerSize( aSize.iWidth, marginsDeltaHeight );
       
   139     TSize controlSize( 0, 0 );
       
   140 
       
   141     controlSize.iWidth = aSize.iWidth - marginsDeltaWidth;
       
   142     CMsgBaseControl* control = NULL;
       
   143     TInt minimumHeigth = marginsDeltaHeight;
       
   144 
       
   145     for ( TInt cc = 0; cc < numberOfControls; cc++ )
       
   146         {
       
   147         controlSize.iHeight = aSize.iHeight;
       
   148         control = (*iControls)[cc];
       
   149 
       
   150         if ( aInit )
       
   151             {
       
   152             control->SetAndGetSizeL( controlSize );
       
   153             }
       
   154         else
       
   155             {
       
   156             controlSize = control->Size();
       
   157             }
       
   158 
       
   159         headerSize.iHeight += control->DistanceFromComponentAbove() + controlSize.iHeight /* + 1 */;
       
   160         minimumHeigth += control->DistanceFromComponentAbove() + control->MinimumSize().iHeight /* + 1 */;
       
   161 
       
   162         //MEBLOGGER_WRITEF(_L("MEB: CMsgHeader::SetAndGetSizeL: headerSize.iHeight %d "), headerSize.iHeight);
       
   163         }
       
   164 
       
   165     if ( minimumHeigth < marginsDeltaHeight )
       
   166         // make top margin higher if there is no space for the icon
       
   167         {
       
   168         TInt additionalTopMargin = marginsDeltaHeight - minimumHeigth;
       
   169         headerSize.iHeight += additionalTopMargin;
       
   170         iMargins.iTop += additionalTopMargin;
       
   171         }
       
   172 
       
   173     SetSizeWithoutNotification( headerSize );
       
   174     aSize = headerSize;
       
   175     }
       
   176 
       
   177 // ---------------------------------------------------------
       
   178 // CMsgHeader::CountComponentControls
       
   179 //
       
   180 // Returns a number of controls.
       
   181 // ---------------------------------------------------------
       
   182 //
       
   183 TInt CMsgHeader::CountComponentControls() const
       
   184     {
       
   185     // Component controls + iFrame + iHeaderCleaner
       
   186     return ( CMsgFormComponent::CountComponentControls() + 1 + 1);
       
   187     }
       
   188 
       
   189 // ---------------------------------------------------------
       
   190 // CMsgHeader::ComponentControl
       
   191 //
       
   192 // Returns a control of index aIndex.
       
   193 // ---------------------------------------------------------
       
   194 //
       
   195 CCoeControl* CMsgHeader::ComponentControl( TInt aIndex ) const
       
   196     {
       
   197     // The order of component is important as now the frame gets drawn
       
   198     // before the editor edwins. In the end iHeaderCleaner 
       
   199     // cleans the top of the display
       
   200     TInt compCount = CMsgFormComponent::CountComponentControls();
       
   201     // Component controls + iFrame 
       
   202     __ASSERT_DEBUG( aIndex < compCount + 1 + 1,
       
   203         Panic( EMsgIncorrectComponentIndex ) );
       
   204 
       
   205     if ( aIndex == 0 )
       
   206         {
       
   207         return iFrame;
       
   208         }
       
   209 
       
   210     if ( aIndex <= compCount )
       
   211         {
       
   212         return CMsgFormComponent::ComponentControl( aIndex-1 );
       
   213         }
       
   214         
       
   215     if ( aIndex == compCount +1 )
       
   216         {
       
   217         return iHeaderCleaner;
       
   218         }
       
   219 
       
   220     return NULL;
       
   221     }
       
   222 
       
   223 // ---------------------------------------------------------
       
   224 // CMsgHeader::HitRegionContains
       
   225 // 
       
   226 // Note! CONE will do final verification if control is really hit so
       
   227 //       not need to do it here.
       
   228 // ---------------------------------------------------------
       
   229 //
       
   230 TBool CMsgHeader::HitRegionContains( const TPoint& /*aPoint*/, 
       
   231                                      const CCoeControl& /*aControl*/ ) const
       
   232     {
       
   233     return EFalse;
       
   234     }
       
   235 
       
   236 // ---------------------------------------------------------
       
   237 // CMsgHeader::SizeChanged
       
   238 //
       
   239 // Sets new position for all the controls.
       
   240 // ---------------------------------------------------------
       
   241 //
       
   242 void CMsgHeader::SizeChanged()
       
   243     {
       
   244     MEBLOGGER_ENTERFN( "CMsgHeader::SizeChanged" );
       
   245 
       
   246     CMsgFormComponent::SizeChanged();
       
   247     TRect rect = Rect( );
       
   248 	iFrame->SetRect( rect );
       
   249 	iHeaderCleaner->SetRect( rect );
       
   250     AknsUtils::RegisterControlPosition( iFrame );
       
   251     AknsUtils::RegisterControlPosition( this );
       
   252 
       
   253     // Resize also the frame control around the focused editor
       
   254     CMsgBaseControl* ctrl = FocusedControl();
       
   255     if( ctrl )
       
   256         {
       
   257         switch( ctrl->ControlType( ) )
       
   258             { // HandleFrameSizeChange should be called only for expandable and address controls
       
   259             case EMsgExpandableControl:
       
   260             case EMsgAddressControl:
       
   261             case EMsgAttachmentControl:
       
   262                 {
       
   263                 (static_cast<CMsgExpandableControl*>(ctrl))->HandleFrameSizeChange( );    
       
   264                 break;
       
   265                 }
       
   266             default: // don't call it for example for body control as there's no frame
       
   267                 break;
       
   268             }
       
   269         }
       
   270 
       
   271     MEBLOGGER_LEAVEFN( "CMsgHeader::SizeChanged" );
       
   272     }
       
   273 
       
   274 // ---------------------------------------------------------
       
   275 // CMsgFormComponent::FocusChanged
       
   276 //
       
   277 // Sets focus off or on if this form component lost focus or gets focused.
       
   278 // ---------------------------------------------------------
       
   279 //
       
   280 void CMsgHeader::FocusChanged( TDrawNow /*aDrawNow*/ )
       
   281     {
       
   282     CMsgFormComponent::FocusChanged( ENoDrawNow );
       
   283     DrawNow();
       
   284     }
       
   285 
       
   286 
       
   287 // ---------------------------------------------------------
       
   288 // CMsgHeader::Draw
       
   289 //
       
   290 // Draws the header.
       
   291 // ---------------------------------------------------------
       
   292 //
       
   293 void CMsgHeader::Draw( const TRect& /*aRect*/ ) const
       
   294     {
       
   295     CWindowGc& gc = SystemGc();
       
   296     TRect rect( Rect() );
       
   297 
       
   298     if ( !AknsDrawUtils::Background( AknsUtils::SkinInstance(), 
       
   299                                      AknsDrawUtils::ControlContext( this ), 
       
   300                                      this, 
       
   301                                      gc, 
       
   302                                      rect ) )
       
   303         {
       
   304 	    gc.SetBrushColor( AKN_LAF_COLOR( 0 ) );
       
   305 		gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
       
   306 		gc.SetPenStyle( CGraphicsContext::ENullPen );
       
   307 		gc.DrawRect( rect );
       
   308 		}
       
   309     }
       
   310 
       
   311 //  End of File