phonebookui/Phonebook2/CommonUI/src/CPbk2ControlContainer.cpp
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     1 /*
       
     2 * Copyright (c) 2002-2007 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: 
       
    15 *       Common control container class for Phonebook 2 application.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include "CPbk2ControlContainer.h"
       
    22 
       
    23 // Phonebook 2
       
    24 #include <MPbk2KeyEventHandler.h>
       
    25 #include <MPbk2PointerEventHandler.h>
       
    26 
       
    27 // SYSTEM INCLUDES
       
    28 #include <AknUtils.h>
       
    29 
       
    30 // Debugging headers
       
    31 #include <Pbk2Debug.h>
       
    32 
       
    33 /// Unnamed namespace for local definitions
       
    34 namespace {
       
    35 
       
    36 #ifdef _DEBUG
       
    37 
       
    38 enum TPanicCode
       
    39     {
       
    40     EPanicPostCond_Constructor = 1,
       
    41     EPanicPreCond_ConstructL,
       
    42     EPanicPostCond_ConstructL,
       
    43     EPanicPostCond_DestroyControl,
       
    44     EPanicPreCond_SetCoeControlL,
       
    45     EPanicPostCond_SetCoeControlL,
       
    46     EPanicPreCond_ComponentControl,
       
    47     };
       
    48 
       
    49 void Panic(TPanicCode aReason)
       
    50     {
       
    51     _LIT( KPanicText, "CPbk2ControlContainerImpl" );
       
    52     User::Panic( KPanicText, aReason );
       
    53     }
       
    54 
       
    55 #endif // _DEBUG
       
    56 
       
    57 } // namespace
       
    58 
       
    59 
       
    60 // --------------------------------------------------------------------------
       
    61 // CPbk2ControlContainerImpl::CPbk2ControlContainerImpl
       
    62 // --------------------------------------------------------------------------
       
    63 //
       
    64 EXPORT_C CPbk2ControlContainerImpl::CPbk2ControlContainerImpl
       
    65         ( MPbk2KeyEventHandler* aKeyEventHandler,
       
    66           MPbk2PointerEventHandler* aPointerHandler ) :
       
    67             iKeyEventHandler( aKeyEventHandler ),
       
    68             iPointerEventHandler( aPointerHandler )
       
    69     {
       
    70     SetComponentsToInheritVisibility( ETrue );
       
    71     __ASSERT_DEBUG(!iControl, Panic(EPanicPostCond_Constructor));
       
    72     }
       
    73 
       
    74 // --------------------------------------------------------------------------
       
    75 // CPbk2ControlContainerImpl::~CPbk2ControlContainerImpl
       
    76 // --------------------------------------------------------------------------
       
    77 //
       
    78 EXPORT_C CPbk2ControlContainerImpl::~CPbk2ControlContainerImpl()
       
    79     {
       
    80     if (iOwnsControl)
       
    81         {
       
    82         delete iControl;
       
    83         }
       
    84     delete iLongTapDetector;
       
    85     }
       
    86 
       
    87 // --------------------------------------------------------------------------
       
    88 // CPbk2ControlContainerImpl::ConstructL
       
    89 // --------------------------------------------------------------------------
       
    90 //
       
    91 EXPORT_C void CPbk2ControlContainerImpl::ConstructL
       
    92         ( MObjectProvider& aProvider )
       
    93     {
       
    94     // PreCond
       
    95     __ASSERT_DEBUG(!iControl, Panic(EPanicPreCond_ConstructL));
       
    96 
       
    97     SetMopParent(&aProvider);
       
    98 
       
    99     // Create a window, this is the top-level container control
       
   100     CreateWindowL();
       
   101 
       
   102     // PostCond
       
   103     __ASSERT_DEBUG(!iControl && OwnsWindow(), Panic(EPanicPostCond_ConstructL));
       
   104     }
       
   105 
       
   106 // --------------------------------------------------------------------------
       
   107 // CPbk2ControlContainerImpl::CoeControl
       
   108 // --------------------------------------------------------------------------
       
   109 //
       
   110 EXPORT_C CCoeControl* CPbk2ControlContainerImpl::CoeControl() const
       
   111     {
       
   112     return iControl;
       
   113     }
       
   114 
       
   115 // --------------------------------------------------------------------------
       
   116 // CPbk2ControlContainerImpl::DestroyControl
       
   117 // --------------------------------------------------------------------------
       
   118 //
       
   119 EXPORT_C void CPbk2ControlContainerImpl::DestroyControl()
       
   120     {
       
   121     if (iOwnsControl)
       
   122         {
       
   123         delete iControl;
       
   124         iControl = NULL;
       
   125         __ASSERT_DEBUG(!CoeControl(), Panic(EPanicPostCond_DestroyControl));
       
   126         }
       
   127     }
       
   128 
       
   129 // --------------------------------------------------------------------------
       
   130 // CPbk2ControlContainerImpl::KeyEventHandler
       
   131 // --------------------------------------------------------------------------
       
   132 //
       
   133 EXPORT_C MPbk2KeyEventHandler*
       
   134         CPbk2ControlContainerImpl::KeyEventHandler() const
       
   135     {
       
   136     return iKeyEventHandler;
       
   137     }
       
   138     
       
   139 // --------------------------------------------------------------------------
       
   140 // CPbk2ControlContainerImpl::PointerEventHandler
       
   141 // --------------------------------------------------------------------------
       
   142 //
       
   143 EXPORT_C MPbk2PointerEventHandler*
       
   144         CPbk2ControlContainerImpl::PointerEventHandler() const
       
   145     {
       
   146     return iPointerEventHandler;
       
   147     }    
       
   148 
       
   149 // --------------------------------------------------------------------------
       
   150 // CPbk2ControlContainerImpl::SetKeyEventHandler
       
   151 // --------------------------------------------------------------------------
       
   152 //
       
   153 EXPORT_C void CPbk2ControlContainerImpl::SetKeyEventHandler
       
   154         (MPbk2KeyEventHandler* aKeyEventHandler)
       
   155     {
       
   156     iKeyEventHandler = aKeyEventHandler;
       
   157     }
       
   158 
       
   159 // --------------------------------------------------------------------------
       
   160 // CPbk2ControlContainerImpl::SetHelpContext
       
   161 // --------------------------------------------------------------------------
       
   162 //
       
   163 EXPORT_C void CPbk2ControlContainerImpl::SetHelpContext
       
   164         (const TCoeHelpContext& aContext)
       
   165     {
       
   166     iHelpContext = aContext;
       
   167     }
       
   168 
       
   169 // --------------------------------------------------------------------------
       
   170 // CPbk2ControlContainerImpl::GetHelpContext
       
   171 // --------------------------------------------------------------------------
       
   172 //
       
   173 EXPORT_C void CPbk2ControlContainerImpl::GetHelpContext
       
   174         (TCoeHelpContext& aContext) const
       
   175     {
       
   176     aContext = iHelpContext;
       
   177     }
       
   178     
       
   179 // --------------------------------------------------------------------------
       
   180 // CPbk2ControlContainerImpl::LongTapDetectorL
       
   181 // --------------------------------------------------------------------------
       
   182 //
       
   183 EXPORT_C CAknLongTapDetector& CPbk2ControlContainerImpl::LongTapDetectorL()
       
   184     {
       
   185     if ( !iLongTapDetector )
       
   186         {
       
   187         iLongTapDetector = CAknLongTapDetector::NewL( this );
       
   188         }
       
   189     return *iLongTapDetector;
       
   190     }
       
   191 
       
   192 // --------------------------------------------------------------------------
       
   193 // CPbk2ControlContainerImpl::SetCoeControl
       
   194 // --------------------------------------------------------------------------
       
   195 //
       
   196 EXPORT_C void CPbk2ControlContainerImpl::SetCoeControl(
       
   197         CCoeControl* aControl,
       
   198         const TRect& aRect,
       
   199         TBool aOwnsControl /* = ETrue */ )
       
   200     {
       
   201     __ASSERT_DEBUG(OwnsWindow(), Panic(EPanicPreCond_SetCoeControlL));
       
   202 
       
   203     // Set the control
       
   204     if (aControl != iControl)
       
   205         {
       
   206         if (iOwnsControl)
       
   207             {
       
   208             delete iControl;
       
   209             }
       
   210         iControl = aControl;
       
   211         }
       
   212 
       
   213     // Store ownership request
       
   214     iOwnsControl = aOwnsControl;
       
   215     RemoveForegroundObserver();
       
   216 
       
   217     // Set rectangle
       
   218     SetRect(aRect);
       
   219 
       
   220     __ASSERT_DEBUG(CoeControl()==aControl, Panic(EPanicPostCond_SetCoeControlL));
       
   221     }
       
   222 
       
   223 // --------------------------------------------------------------------------
       
   224 // CPbk2ControlContainerImpl::OfferKeyEventL
       
   225 // --------------------------------------------------------------------------
       
   226 //
       
   227 EXPORT_C TKeyResponse CPbk2ControlContainerImpl::OfferKeyEventL
       
   228         (const TKeyEvent& aKeyEvent, TEventCode aType)
       
   229     {
       
   230     PBK2_DEBUG_PRINT(PBK2_DEBUG_STRING
       
   231     ("CPbk2ControlContainerImpl::OfferKeyEventL(0x%x),Code=%d,Mod=%x,Type=%d"), 
       
   232         this, aKeyEvent.iCode, aKeyEvent.iModifiers, aType );
       
   233         
       
   234     TKeyResponse ret = EKeyWasNotConsumed;
       
   235 
       
   236     // Offer key event first to the key event handler
       
   237     if ( iKeyEventHandler && iKeyEventHandler->Pbk2ProcessKeyEventL
       
   238             ( aKeyEvent, aType ) )
       
   239         {
       
   240         ret = EKeyWasConsumed;
       
   241         }
       
   242     // Not consumed by the key handler, offer to the control next
       
   243     if ( ( ret == EKeyWasNotConsumed ) && iControl )
       
   244         {
       
   245         ret = iControl->OfferKeyEventL( aKeyEvent, aType );
       
   246         }
       
   247     return ret;
       
   248     }
       
   249 
       
   250 // --------------------------------------------------------------------------
       
   251 // CPbk2ControlContainerImpl::CountComponentControls
       
   252 // --------------------------------------------------------------------------
       
   253 //
       
   254 EXPORT_C TInt CPbk2ControlContainerImpl::CountComponentControls() const
       
   255     {
       
   256     // iControl is the only subcontrol
       
   257     return iControl ? 1 : 0;
       
   258     }
       
   259 
       
   260 // --------------------------------------------------------------------------
       
   261 // CPbk2ControlContainerImpl::ComponentControl
       
   262 // --------------------------------------------------------------------------
       
   263 //
       
   264 EXPORT_C CCoeControl* CPbk2ControlContainerImpl::ComponentControl
       
   265         ( TInt PBK2_DEBUG_ONLY( aIndex ) ) const
       
   266     {
       
   267     // PreCond: Assert that the control is assigned and aIndex is sensible
       
   268     __ASSERT_DEBUG( iControl && aIndex == 0,
       
   269         Panic( EPanicPreCond_ComponentControl ) );
       
   270 
       
   271     // iControl is the only subcontrol
       
   272     return iControl;
       
   273     }
       
   274 
       
   275 // --------------------------------------------------------------------------
       
   276 // CPbk2ControlContainerImpl::SizeChanged
       
   277 // This control is only a container; sets iControl's rectangle
       
   278 // to this control's rectangle.
       
   279 // --------------------------------------------------------------------------
       
   280 //
       
   281 EXPORT_C void CPbk2ControlContainerImpl::SizeChanged()
       
   282     {
       
   283     if ( iControl )
       
   284         {
       
   285         // Set the control's rectangle to fill this container's rectangle
       
   286         iControl->SetRect( Rect() );
       
   287         }
       
   288     }
       
   289 
       
   290 // --------------------------------------------------------------------------
       
   291 // CPbk2ControlContainerImpl::FocusChanged
       
   292 // Forwards focus changed events.
       
   293 // --------------------------------------------------------------------------
       
   294 //
       
   295 EXPORT_C void CPbk2ControlContainerImpl::FocusChanged( TDrawNow aDrawNow )
       
   296     {
       
   297     if ( iControl && !IsNonFocusing() )
       
   298         {
       
   299         iControl->SetFocus( IsFocused(), aDrawNow );
       
   300         }
       
   301     
       
   302     if ( iObserver && iControl )
       
   303         {
       
   304         TRAP_IGNORE( iObserver->HandleForegroundEventL( IsFocused() ) );
       
   305         }
       
   306     }
       
   307 
       
   308 // --------------------------------------------------------------------------
       
   309 // CPbk2ControlContainerImpl::HandlePointerEventL
       
   310 // --------------------------------------------------------------------------
       
   311 //    
       
   312 EXPORT_C void CPbk2ControlContainerImpl::HandlePointerEventL(
       
   313         const TPointerEvent& aPointerEvent )
       
   314     {    
       
   315     if ( AknLayoutUtils::PenEnabled() )
       
   316         { 
       
   317         // Offer pointer event first to the control
       
   318         if (  iControl )
       
   319             {
       
   320             iControl->HandlePointerEventL( aPointerEvent );
       
   321             }           
       
   322             
       
   323         // Offer pointer event next to the pointer event handler        
       
   324         if ( iPointerEventHandler )    
       
   325             {
       
   326             iPointerEventHandler->Pbk2ProcessPointerEventL( aPointerEvent );
       
   327             }             
       
   328         }
       
   329     }
       
   330 
       
   331 // --------------------------------------------------------------------------
       
   332 // CPbk2ControlContainerImpl::HandleLongTapEventL
       
   333 // --------------------------------------------------------------------------
       
   334 //    
       
   335 EXPORT_C void CPbk2ControlContainerImpl::HandleLongTapEventL(
       
   336         const TPoint& aPenEventLocation, 
       
   337         const TPoint& aPenEventScreenLocation )
       
   338     {
       
   339     if ( AknLayoutUtils::PenEnabled() )
       
   340         { 
       
   341         // Offer long tap event to the pointer event handler
       
   342         if ( iPointerEventHandler )    
       
   343             {
       
   344             iPointerEventHandler->Pbk2HandleLongTapEventL(
       
   345                 aPenEventLocation, aPenEventScreenLocation );
       
   346             }             
       
   347         }
       
   348     }
       
   349 
       
   350 // --------------------------------------------------------------------------
       
   351 // CPbk2ControlContainerImpl::AddForegroundObserver
       
   352 // --------------------------------------------------------------------------
       
   353 // 
       
   354 EXPORT_C void CPbk2ControlContainerImpl::AddForegroundObserver
       
   355         ( MPbk2ControlContainerForegroundEventObserver* aObserver )
       
   356     {
       
   357     iObserver = aObserver;
       
   358     }
       
   359 
       
   360 
       
   361 // --------------------------------------------------------------------------
       
   362 // CPbk2ControlContainerImpl::RemoveForegroundObserver
       
   363 // --------------------------------------------------------------------------
       
   364 // 
       
   365 EXPORT_C void CPbk2ControlContainerImpl::RemoveForegroundObserver()
       
   366     {
       
   367     iObserver = NULL;
       
   368     }
       
   369 
       
   370 //  End of File