idlehomescreen/examples/hscontentcontrolexample/src/HsContentControlListBox.cpp
branchRCL_3
changeset 102 ba63c83f4716
parent 93 b01126ce0bec
child 103 966d119a7e67
equal deleted inserted replaced
93:b01126ce0bec 102:ba63c83f4716
     1 /*
       
     2 * Copyright (c) 2010 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:  Content Control example
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 //  Includes
       
    20 #include <aknlists.h>
       
    21 #include <akncontext.h>
       
    22 #include <akntitle.h>
       
    23 #include <aknnavi.h>
       
    24 #include <aknnavide.h>
       
    25 #include <akntabgrp.h>
       
    26 #include <aknstyluspopupmenu.h>
       
    27 
       
    28 #include <aknsinglestyletreelist.h>
       
    29 #include <aknsbasicbackgroundcontrolcontext.h>
       
    30 
       
    31 #include <hsccapiclient.h>
       
    32 #include <hscontentinfo.h>
       
    33 #include <hscontentinfoarray.h>
       
    34 
       
    35 #include "HsContentControlListBox.h"
       
    36 
       
    37 //  Constants
       
    38 const TInt KFlags( CAknSingleStyleTreeList::EPersistent | 
       
    39         CAknSingleStyleTreeList::EExpanded );
       
    40 
       
    41 _LIT( KActivate, "Activate" );
       
    42 
       
    43 enum TTabs
       
    44     {
       
    45     ETabFirst = 0,
       
    46     ETabActiveConfiguration = ETabFirst,
       
    47     ETabConfigurations,
       
    48     ETabViews,
       
    49     ETabWidgets,
       
    50     ETabLast = ETabWidgets 
       
    51     };
       
    52 
       
    53 // ============================ LOCAL FUNCTIONS ================================
       
    54 
       
    55 // ============================ MEMBER FUNCTIONS ===============================
       
    56 
       
    57 // -----------------------------------------------------------------------------
       
    58 // CHsContentControlListBox::CHsContentControlListBox
       
    59 //
       
    60 // -----------------------------------------------------------------------------
       
    61 //
       
    62 CHsContentControlListBox::CHsContentControlListBox()
       
    63     {
       
    64     }
       
    65 
       
    66 // -----------------------------------------------------------------------------
       
    67 // CHsContentControlListBox::~CHsContentControlListBox
       
    68 //
       
    69 // -----------------------------------------------------------------------------
       
    70 //
       
    71 CHsContentControlListBox::~CHsContentControlListBox()
       
    72     {    
       
    73     delete iHsCcApiClient;
       
    74     delete iCallback;
       
    75     delete iPopup;
       
    76     delete iListBox;
       
    77     delete iBgContext;
       
    78     delete iArray;    
       
    79     delete iDecorator;
       
    80     }
       
    81   
       
    82 // -----------------------------------------------------------------------------
       
    83 // CHsContentControlListBox::NewL
       
    84 //
       
    85 // -----------------------------------------------------------------------------
       
    86 //
       
    87 CHsContentControlListBox* CHsContentControlListBox::NewL( const TRect& aRect,  
       
    88     const CCoeControl* aParent, MEikCommandObserver* aCommandObserver )          
       
    89     {
       
    90     CHsContentControlListBox* self = 
       
    91         CHsContentControlListBox::NewLC( aRect, aParent, aCommandObserver ); 
       
    92     CleanupStack::Pop( self );
       
    93     
       
    94     return self;
       
    95     }
       
    96 
       
    97 // -----------------------------------------------------------------------------
       
    98 // CHsContentControlListBox::NewLC
       
    99 //
       
   100 // -----------------------------------------------------------------------------
       
   101 //
       
   102 CHsContentControlListBox* CHsContentControlListBox::NewLC( const TRect& aRect,          
       
   103     const CCoeControl* aParent, MEikCommandObserver* aCommandObserver )         
       
   104     {
       
   105     CHsContentControlListBox* self = new ( ELeave ) CHsContentControlListBox();
       
   106     CleanupStack::PushL( self );
       
   107     
       
   108     self->ConstructL( aRect, aParent, aCommandObserver );
       
   109     
       
   110     return self;
       
   111     }
       
   112             
       
   113 // -----------------------------------------------------------------------------
       
   114 // CHsContentControlListBox::ConstructL
       
   115 //
       
   116 // -----------------------------------------------------------------------------
       
   117 //
       
   118 void CHsContentControlListBox::ConstructL( const TRect& aRect,          
       
   119     const CCoeControl* aParent, MEikCommandObserver* /*aCommandObserver*/ )         
       
   120     {
       
   121     iHsCcApiClient = CHsCcApiClient::NewL( this );
       
   122     
       
   123     TCallBack cb( PopulateList, this );
       
   124     
       
   125     iCallback = new ( ELeave ) CAsyncCallBack( cb, CActive::EPriorityStandard );
       
   126     
       
   127     if ( !aParent )
       
   128         {
       
   129         CreateWindowL();
       
   130         }
       
   131     else
       
   132         {
       
   133         SetContainerWindowL( *aParent );
       
   134         }
       
   135     
       
   136     InitializeControlsL();
       
   137 
       
   138     SetRect( aRect );
       
   139                
       
   140     ActivateL();
       
   141     
       
   142     PopulateListL();
       
   143     }
       
   144 
       
   145 // -----------------------------------------------------------------------------
       
   146 // CHsContentControlListBox::CountComponentControls
       
   147 //
       
   148 // -----------------------------------------------------------------------------
       
   149 //
       
   150 TInt CHsContentControlListBox::CountComponentControls() const
       
   151     {
       
   152     return 1;
       
   153     }
       
   154                 
       
   155 // -----------------------------------------------------------------------------
       
   156 // CHsContentControlListBox::CHsContentControlListBox
       
   157 //
       
   158 // -----------------------------------------------------------------------------
       
   159 //
       
   160 CCoeControl* CHsContentControlListBox::ComponentControl( TInt aIndex ) const
       
   161     {
       
   162     if ( aIndex == 0 )
       
   163         {
       
   164         return iListBox;
       
   165         }
       
   166     
       
   167     return NULL;
       
   168     }
       
   169 
       
   170 // -----------------------------------------------------------------------------
       
   171 // CHsContentControlListBox::OfferKeyEventL
       
   172 //
       
   173 // -----------------------------------------------------------------------------
       
   174 //
       
   175 TKeyResponse CHsContentControlListBox::OfferKeyEventL(  
       
   176     const TKeyEvent& aKeyEvent, TEventCode aType )         
       
   177     {    
       
   178     if ( iListBox->OfferKeyEventL( aKeyEvent, aType ) == EKeyWasConsumed )         
       
   179         {
       
   180         return EKeyWasConsumed;
       
   181         }
       
   182     
       
   183     return CCoeControl::OfferKeyEventL( aKeyEvent, aType );
       
   184     }
       
   185                 
       
   186 // -----------------------------------------------------------------------------
       
   187 // CHsContentControlListBox::HandleResourceChange
       
   188 //
       
   189 // -----------------------------------------------------------------------------
       
   190 //
       
   191 void CHsContentControlListBox::HandleResourceChange( TInt aType )
       
   192     {
       
   193     CCoeControl::HandleResourceChange( aType );
       
   194     
       
   195     SetRect( iAvkonAppUi->ClientRect() );
       
   196     }
       
   197                 
       
   198 // -----------------------------------------------------------------------------
       
   199 // CHsContentControlListBox::SizeChanged
       
   200 //
       
   201 // -----------------------------------------------------------------------------
       
   202 //
       
   203 void CHsContentControlListBox::SizeChanged()
       
   204     {
       
   205     CCoeControl::SizeChanged();
       
   206 
       
   207     LayoutControls();    
       
   208     }
       
   209                 
       
   210 // -----------------------------------------------------------------------------
       
   211 // CHsContentControlListBox::MopSupplyObject
       
   212 //
       
   213 // -----------------------------------------------------------------------------
       
   214 //
       
   215 TTypeUid::Ptr CHsContentControlListBox::MopSupplyObject( TTypeUid aId )
       
   216     {
       
   217     if ( aId.iUid == MAknsControlContext::ETypeId && iBgContext )
       
   218         {
       
   219         return MAknsControlContext::SupplyMopObject( aId, iBgContext );
       
   220         }
       
   221 
       
   222     return CCoeControl::MopSupplyObject( aId );
       
   223     }
       
   224 
       
   225 // -----------------------------------------------------------------------------
       
   226 // CHsContentControlListBox::HandleTreeListEvent
       
   227 //
       
   228 // -----------------------------------------------------------------------------
       
   229 //
       
   230 TInt CHsContentControlListBox::HandleTreeListEvent(       
       
   231     CAknTreeList& /*aList*/,
       
   232     TAknTreeItemID aItem,
       
   233     TEvent aEvent )
       
   234     {        
       
   235     if ( aEvent == EItemSelected )
       
   236         {        
       
   237         if ( !iListBox->IsLeaf( aItem ) && !iListBox->IsMarked( aItem ) )
       
   238             {
       
   239             return KErrNone;
       
   240             }
       
   241                 
       
   242         const TWsEvent& event( iCoeEnv->LastEvent() );        
       
   243         
       
   244         if ( event.Type() == EEventPointer )
       
   245             {                              
       
   246             TInt x, y;            
       
   247         
       
   248             TPointerEvent& pointer( *event.Pointer() );
       
   249             
       
   250             x = pointer.iParentPosition.iX;
       
   251             y = pointer.iParentPosition.iY;
       
   252 
       
   253             delete iPopup;
       
   254             iPopup = NULL;            
       
   255         
       
   256             iPopup = CAknStylusPopUpMenu::NewL( this, TPoint( x, y ) );             
       
   257                            
       
   258             if ( iTabIndex == ETabConfigurations )
       
   259                 {
       
   260                 iSelectedItem = aItem;
       
   261                 
       
   262                 iPopup->AddMenuItemL( KActivate, 1 );
       
   263                 
       
   264                 iPopup->SetPosition( TPoint( x, y ), 
       
   265                     CAknStylusPopUpMenu::EPositionTypeRightBottom );
       
   266                 
       
   267                 iPopup->ShowMenu();
       
   268                 }
       
   269             }
       
   270         }
       
   271     
       
   272     return KErrNone;
       
   273     }
       
   274 
       
   275 // -----------------------------------------------------------------------------
       
   276 // CHsContentControlListBox::ProcessCommandL
       
   277 //
       
   278 // -----------------------------------------------------------------------------
       
   279 //
       
   280 void CHsContentControlListBox::ProcessCommandL( TInt aCommandId )
       
   281     {  
       
   282     TAknTreeItemID item( iSelectedItem );
       
   283     
       
   284     iSelectedItem = KAknTreeIIDNone;
       
   285     
       
   286     if ( item == KAknTreeIIDNone || aCommandId == KErrCancel )
       
   287         {
       
   288         return;
       
   289         }
       
   290            
       
   291     // Resolve selected item
       
   292     if ( iTabIndex == ETabConfigurations )
       
   293         {
       
   294         TAknTreeItemID id = iListBox->Child( KAknTreeIIDRoot, 0 );
       
   295         
       
   296         TInt count( iListBox->ChildCount( id ) );
       
   297         
       
   298         for ( TInt i = 0; i < count; i++ )
       
   299             {
       
   300             if ( iListBox->Child( id, i ) == item )
       
   301                 {
       
   302                 CHsContentInfo* info( iArray->Array()[i] );
       
   303                 
       
   304                 TRAP_IGNORE( iHsCcApiClient->ActivateAppL( *info ) );
       
   305                 
       
   306                 break;
       
   307                 }
       
   308             }
       
   309         }       
       
   310     }
       
   311 
       
   312 // -----------------------------------------------------------------------------
       
   313 // CHsContentControlListBox::SetEmphasis
       
   314 //
       
   315 // -----------------------------------------------------------------------------
       
   316 //
       
   317 void CHsContentControlListBox::SetEmphasis( CCoeControl* /*aMenuControl*/, 
       
   318     TBool /*aEmphasis*/ )
       
   319     {         
       
   320     }
       
   321 
       
   322 // -----------------------------------------------------------------------------
       
   323 // CHsContentControlListBox::TabChangedL
       
   324 //
       
   325 // -----------------------------------------------------------------------------
       
   326 //
       
   327 void CHsContentControlListBox::TabChangedL( TInt aIndex )
       
   328     {
       
   329     if ( aIndex != iTabIndex )
       
   330         {
       
   331         iTabIndex = aIndex;
       
   332         
       
   333         iDecorator->SetScrollButtonDimmed( 
       
   334             CAknNavigationDecorator::ERightButton, EFalse );
       
   335         
       
   336         iDecorator->SetScrollButtonDimmed( 
       
   337             CAknNavigationDecorator::ELeftButton, EFalse );
       
   338         
       
   339         if ( iTabIndex == ETabFirst )
       
   340             {
       
   341             iDecorator->SetScrollButtonDimmed( 
       
   342                 CAknNavigationDecorator::ELeftButton, ETrue );    
       
   343             }
       
   344         else if ( iTabIndex == ETabLast )
       
   345             {
       
   346             iDecorator->SetScrollButtonDimmed( 
       
   347                 CAknNavigationDecorator::ERightButton, ETrue );    
       
   348             }
       
   349         
       
   350         iCallback->Cancel();
       
   351         iCallback->CallBack();        
       
   352         }    
       
   353     }
       
   354 
       
   355 // -----------------------------------------------------------------------------
       
   356 // CHsContentControlListBox::NotifyWidgetListChanged
       
   357 //
       
   358 // -----------------------------------------------------------------------------
       
   359 //
       
   360 void CHsContentControlListBox::NotifyWidgetListChanged()
       
   361     {
       
   362     iCallback->Cancel();
       
   363     iCallback->CallBack();
       
   364     }
       
   365 
       
   366 // -----------------------------------------------------------------------------
       
   367 // CHsContentControlListBox::NotifyViewListChanged
       
   368 //
       
   369 // -----------------------------------------------------------------------------
       
   370 //
       
   371 void CHsContentControlListBox::NotifyViewListChanged()
       
   372     {
       
   373     iCallback->Cancel();
       
   374     iCallback->CallBack();
       
   375     }
       
   376 
       
   377 // -----------------------------------------------------------------------------
       
   378 // CHsContentControlListBox::NotifyAppListChanged
       
   379 //
       
   380 // -----------------------------------------------------------------------------
       
   381 //
       
   382 void CHsContentControlListBox::NotifyAppListChanged()
       
   383     {
       
   384     iCallback->Cancel();
       
   385     iCallback->CallBack();
       
   386     }
       
   387 
       
   388 // -----------------------------------------------------------------------------
       
   389 // CHsContentControlListBox::InitializeControlsL
       
   390 //
       
   391 // -----------------------------------------------------------------------------
       
   392 //
       
   393 void CHsContentControlListBox::InitializeControlsL()
       
   394     {
       
   395     iListBox = CAknSingleStyleTreeList::NewL( *this );
       
   396     iListBox->SetContainerWindowL( *this );    
       
   397     iListBox->AddObserverL( this );    
       
   398     iListBox->SetFocus( ETrue );
       
   399     
       
   400     iBgContext = CAknsBasicBackgroundControlContext::NewL(
       
   401         KAknsIIDQsnBgScreen, TRect(), ETrue );
       
   402     
       
   403     CEikStatusPane* sp( iAvkonAppUi->StatusPane() );
       
   404     
       
   405     TUid naviPaneUid( TUid::Uid( EEikStatusPaneUidNavi ) );
       
   406                                  
       
   407     CAknNavigationControlContainer* naviPane = 
       
   408         static_cast< CAknNavigationControlContainer* >( sp->ControlL( naviPaneUid ) ); 
       
   409     
       
   410     iDecorator = naviPane->ResourceDecorator();
       
   411             
       
   412     iDecorator->MakeScrollButtonVisible( ETrue );
       
   413     
       
   414     iDecorator->SetScrollButtonDimmed( 
       
   415         CAknNavigationDecorator::ELeftButton, ETrue );
       
   416 
       
   417     iDecorator->SetScrollButtonDimmed( 
       
   418         CAknNavigationDecorator::ERightButton, EFalse );
       
   419     
       
   420     iTabGroup = static_cast< CAknTabGroup* > ( iDecorator->DecoratedControl() );    
       
   421     iTabGroup->SetObserver( this );       
       
   422     }
       
   423 
       
   424 // -----------------------------------------------------------------------------
       
   425 // CHsContentControlListBox::LayoutControls
       
   426 //
       
   427 // -----------------------------------------------------------------------------
       
   428 //
       
   429 void CHsContentControlListBox::LayoutControls()
       
   430     {
       
   431     iListBox->SetRect( Rect() );
       
   432     
       
   433     TRect rect;
       
   434     
       
   435     AknLayoutUtils::LayoutMetricsRect( AknLayoutUtils::EScreen, rect );     
       
   436     
       
   437     iBgContext->SetRect( rect );
       
   438     }
       
   439 
       
   440 // -----------------------------------------------------------------------------
       
   441 // CHsContentControlListBox::PopulateListL
       
   442 //
       
   443 // -----------------------------------------------------------------------------
       
   444 //    
       
   445 void CHsContentControlListBox::PopulateListL()
       
   446     {
       
   447     if ( !iListBox->IsEmpty( KAknTreeIIDRoot ) )
       
   448         {
       
   449         // Remove all
       
   450         iListBox->RemoveItem( KAknTreeIIDRoot, EFalse );
       
   451         }
       
   452     
       
   453     delete iArray;
       
   454     iArray = NULL;
       
   455 
       
   456     if ( iTabIndex == ETabActiveConfiguration )
       
   457         {       
       
   458         CHsContentInfo* activeApp = CHsContentInfo::NewL();
       
   459         CleanupStack::PushL( activeApp );
       
   460         
       
   461         // Get active homescreen configuration
       
   462         iHsCcApiClient->ActiveAppL( *activeApp );
       
   463 
       
   464         _LIT( KActiveConfiguration, "Active configuration" );
       
   465         
       
   466         TAknTreeItemID root = iListBox->AddNodeL( 
       
   467             KAknTreeIIDRoot, KActiveConfiguration, KFlags, EFalse );
       
   468                        
       
   469         CHsContentInfoArray* viewList = CHsContentInfoArray::NewL();
       
   470         CleanupStack::PushL( viewList );
       
   471         
       
   472         // Get view list from the active configuration
       
   473         iHsCcApiClient->ViewListL( *activeApp, *viewList );
       
   474         
       
   475         _LIT( KView, "View " );
       
   476         
       
   477         for ( TInt j = 0; j < viewList->Array().Count(); j++ )
       
   478             {
       
   479             TBuf< 32 > viewname;        
       
   480             viewname = KView();
       
   481             viewname.AppendNum( j + 1 );
       
   482             
       
   483             CHsContentInfo* view( viewList->Array()[j] );
       
   484             
       
   485             TAknTreeItemID parent = iListBox->AddNodeL( 
       
   486                 root, viewname, KFlags, EFalse );
       
   487     
       
   488             CHsContentInfoArray* widgetList = CHsContentInfoArray::NewL();
       
   489             CleanupStack::PushL( widgetList );
       
   490     
       
   491             // Get widget list from the view 
       
   492             iHsCcApiClient->WidgetListL( *view, *widgetList );
       
   493             
       
   494             for ( TInt k = 0; k < widgetList->Array().Count(); k++ )
       
   495                 {
       
   496                 CHsContentInfo* widget( widgetList->Array()[k] );
       
   497                 
       
   498                 iListBox->AddLeafL( parent, widget->Name(), KFlags, EFalse );            
       
   499                 }
       
   500             
       
   501             CleanupStack::PopAndDestroy( widgetList );
       
   502             }   
       
   503         
       
   504         CleanupStack::PopAndDestroy( viewList );
       
   505         
       
   506         CleanupStack::PopAndDestroy( activeApp );    
       
   507         }
       
   508     else if ( iTabIndex == ETabConfigurations )
       
   509         {
       
   510         _LIT( KConfigurations, "Configurations" );
       
   511         
       
   512         TAknTreeItemID root = iListBox->AddNodeL( 
       
   513             KAknTreeIIDRoot, KConfigurations, KFlags, EFalse );
       
   514                    
       
   515         iArray = CHsContentInfoArray::NewL();
       
   516         
       
   517         // Get all homescreen configurations 
       
   518         iHsCcApiClient->AppListL( *iArray );
       
   519         
       
   520         _LIT( KConfiguration, "Configuration " );
       
   521         
       
   522         for ( TInt i = 0; i < iArray->Array().Count(); i++ )
       
   523             {
       
   524             TBuf< 32 > confname;
       
   525             confname = KConfiguration();
       
   526             confname.AppendNum( i + 1 );
       
   527             
       
   528             CHsContentInfo* app( iArray->Array()[i] );
       
   529                         
       
   530             iListBox->AddLeafL( root, confname, KFlags, EFalse );            
       
   531             }
       
   532         }
       
   533     
       
   534     else if ( iTabIndex == ETabViews )
       
   535         {
       
   536         _LIT( KViews, "Views" );
       
   537         
       
   538         TAknTreeItemID root = iListBox->AddNodeL( 
       
   539             KAknTreeIIDRoot, KViews, KFlags, EFalse );
       
   540     
       
   541         iArray = CHsContentInfoArray::NewL();        
       
   542     
       
   543         // Get all homescreen views
       
   544         iHsCcApiClient->ViewListL( *iArray );
       
   545         
       
   546         _LIT( KView, "View " );
       
   547         
       
   548         for ( TInt i = 0; i < iArray->Array().Count(); i++ )
       
   549             {
       
   550             TBuf< 32 > viewname;        
       
   551             viewname = KView();
       
   552             viewname.AppendNum( i + 1 );
       
   553         
       
   554             CHsContentInfo* view( iArray->Array()[i] );
       
   555             
       
   556             iListBox->AddLeafL( root, viewname, KFlags, EFalse );                 
       
   557             }
       
   558         }
       
   559 
       
   560     else if ( iTabIndex == ETabWidgets )
       
   561         {
       
   562         _LIT( KWidgets, "Widgets" );
       
   563         
       
   564         TAknTreeItemID root = iListBox->AddNodeL( 
       
   565             KAknTreeIIDRoot, KWidgets, KFlags, EFalse );
       
   566     
       
   567         iArray = CHsContentInfoArray::NewL();
       
   568             
       
   569         // Get all homescreen widgets
       
   570         iHsCcApiClient->WidgetListL( *iArray );
       
   571         
       
   572         for ( TInt i = 0; i < iArray->Array().Count(); i++ )
       
   573             {
       
   574             CHsContentInfo* widget( iArray->Array()[i] );
       
   575             
       
   576             iListBox->AddLeafL( root, widget->Name(), KFlags, EFalse );                 
       
   577             }
       
   578         }
       
   579     
       
   580     DrawNow();
       
   581     }
       
   582 
       
   583 // -----------------------------------------------------------------------------
       
   584 // CHsContentControlListBox::PopulateList
       
   585 //
       
   586 // -----------------------------------------------------------------------------
       
   587 //    
       
   588 /*static*/ TInt CHsContentControlListBox::PopulateList( TAny* aAny )
       
   589     {
       
   590     CHsContentControlListBox* self = 
       
   591         static_cast< CHsContentControlListBox* >( aAny );
       
   592     
       
   593     TRAP_IGNORE( self->PopulateListL() );       
       
   594     
       
   595     return KErrNone;
       
   596     }
       
   597 
       
   598 // End of file