gssettingsuis/Gs/GSApplication/Src/GSMainContainer.cpp
changeset 0 8c5d936e5675
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     1 /*
       
     2 * Copyright (c) 2005 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:  Container for the main view of General Settings
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include    <bldvariant.hrh>
       
    21 
       
    22 #include    "GSUi.h"
       
    23 #include    "gsmainview.h"
       
    24 #include    "GSMainContainer.h"
       
    25 #include    "gsplugininterface.h"
       
    26 #include    "GsLogger.h"
       
    27 #include    <GSApp.rsg>         // Resources for mainview
       
    28 
       
    29 #include    <aknlists.h>
       
    30 #include    <calslbs.h>
       
    31 #include    <eikclbd.h>
       
    32 #include    <AknIconArray.h>    // For loading icons
       
    33 #include    <AknsUtils.h>       // For loading icons
       
    34 #include    <aknViewAppUi.h>
       
    35 #include    <akntitle.h>
       
    36 #include    <barsread.h>
       
    37 #include    <gulicon.h>         // For CGulIcon
       
    38 #include    <csxhelp/cp.hlp.hrh>
       
    39 #include    <gsfwviewuids.h>    // for KUidGS
       
    40 
       
    41 //CONSTANTS
       
    42 
       
    43 // ========================= MEMBER FUNCTIONS ================================
       
    44 
       
    45 
       
    46 // ---------------------------------------------------------------------------
       
    47 // CGSMainContainer::ConstructL(const TRect& aRect)
       
    48 // Symbian OS two phased constructor
       
    49 //
       
    50 // ---------------------------------------------------------------------------
       
    51 //
       
    52 void CGSMainContainer::ConstructL(
       
    53     const TRect& aRect,
       
    54     CAknViewAppUi* aAppUi,
       
    55     CArrayPtrFlat<CGSPluginInterface>* aPluginArray )
       
    56     {
       
    57     iAppUi = aAppUi;
       
    58     iPluginArray = aPluginArray;
       
    59 
       
    60     // Initialize the array containing pointers to plugins that are actually
       
    61     // displayed in lbx.
       
    62     iVisiblePlugins = new CArrayPtrFlat<CGSPluginInterface>( 10 );
       
    63 
       
    64     CEikStatusPane* sp = iAppUi->StatusPane();
       
    65     CAknTitlePane* title = static_cast<CAknTitlePane*>
       
    66         ( sp->ControlL( TUid::Uid( EEikStatusPaneUidTitle ) ) );
       
    67 
       
    68     // Set view title from resource:
       
    69     TResourceReader rReader;
       
    70     iCoeEnv->CreateResourceReaderLC( rReader, R_GS_MAIN_VIEW_TITLE );
       
    71     title->SetFromResourceL( rReader );
       
    72     CleanupStack::PopAndDestroy(); //rReader
       
    73 
       
    74     CreateWindowL(); // Makes this control a window-owning control
       
    75 
       
    76     // Create listbox:
       
    77     iListBox = new( ELeave ) CAknSingleLargeStyleListBox;
       
    78     iListBox->ConstructL( this );
       
    79     iListBox->SetContainerWindowL( *this );
       
    80     iListBox->SetListBoxObserver( this );
       
    81     iListBox->CreateScrollBarFrameL(ETrue);
       
    82     iListBox->ScrollBarFrame()->SetScrollBarVisibilityL(
       
    83         CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto );
       
    84 
       
    85     // Obtain reference to listbox's item text array:
       
    86     iItemTextArray
       
    87         = STATIC_CAST( CDesCArray*, iListBox->Model()->ItemTextArray() );
       
    88 
       
    89     SetRect( aRect );
       
    90     ActivateL();
       
    91     __GSLOGSTRING( "[CGSMainContainer] ConstructL()" );
       
    92     }
       
    93 
       
    94 
       
    95 // ---------------------------------------------------------------------------
       
    96 // CGSMainContainer::~CGSMainContainer()
       
    97 // Destructor
       
    98 //
       
    99 // ---------------------------------------------------------------------------
       
   100 //
       
   101 CGSMainContainer::~CGSMainContainer()
       
   102     {
       
   103     if  ( iVisiblePlugins )
       
   104         {
       
   105         iVisiblePlugins->Reset();
       
   106         }
       
   107     delete iVisiblePlugins;
       
   108 
       
   109     if  ( iItemTextArray )
       
   110         {
       
   111         iItemTextArray->Reset();
       
   112         }
       
   113 
       
   114     if ( iListBox )
       
   115         {
       
   116         delete iListBox;
       
   117         }
       
   118     __GSLOGSTRING( "[CGSMainContainer] ~CGSMainContainer" );
       
   119   }
       
   120 
       
   121 // ---------------------------------------------------------------------------
       
   122 // CGSMainContainer::UpdateListbox
       
   123 //
       
   124 // Updates listbox from iPluginArray.
       
   125 // ---------------------------------------------------------------------------
       
   126 //
       
   127 void CGSMainContainer::UpdateListBoxL()
       
   128     {
       
   129     __GSLOGSTRING( "[CGSMainContainer::UpdateListBoxL]" );
       
   130     
       
   131     // Empty item array because it will be reoccupied.
       
   132     iItemTextArray->Reset();
       
   133 
       
   134     // Empty the array because it will be updated.
       
   135     iVisiblePlugins->Reset();
       
   136 
       
   137     // Array for icons in the listbox. Owns the icons.
       
   138     CAknIconArray* icons = new (ELeave) CAknIconArray( 10 );
       
   139     CleanupStack::PushL( icons );
       
   140 
       
   141     // Index of the plugin inserted into lbx item array.
       
   142     TInt pluginIndex = 0;
       
   143 
       
   144     // 1) Add each plugin's data to listbox if the plugin is visible.
       
   145     for( TInt i = 0; i < iPluginArray->Count(); i++ )
       
   146         {
       
   147         CGSPluginInterface* plugin = iPluginArray->operator[]( i );
       
   148         if( plugin->Visible() )
       
   149             {
       
   150             AddPluginDataToLbxL( plugin, pluginIndex, iItemTextArray, icons );
       
   151             pluginIndex++;
       
   152             }
       
   153         }
       
   154 
       
   155     // Destroy the old icons because SetIconArray() does not destroy them.
       
   156     CArrayPtr<CGulIcon>* oldIcons
       
   157         = iListBox->ItemDrawer()->ColumnData()->IconArray();
       
   158     if( oldIcons )
       
   159         {
       
   160         oldIcons->ResetAndDestroy();
       
   161         delete oldIcons;
       
   162         }
       
   163 
       
   164     // Transfer ownership of icon array to the lbx.
       
   165     // SetIconArray() does not delete the old icon array
       
   166     iListBox->ItemDrawer()->ColumnData()->SetIconArray( icons );
       
   167     CleanupStack::Pop( icons );
       
   168 
       
   169     // Draws listbox again
       
   170     iListBox->HandleItemAdditionL();
       
   171     }
       
   172 
       
   173 
       
   174 //Disabling warning caused by err variable used inside macros
       
   175 #pragma diag_suppress 550
       
   176 // -----------------------------------------------------------------------------
       
   177 // CGSMainContainer::AddPluginDataToLbxL()
       
   178 //
       
   179 //
       
   180 // -----------------------------------------------------------------------------
       
   181 //
       
   182 void CGSMainContainer::AddPluginDataToLbxL( CGSPluginInterface* aPlugin,
       
   183                                               TInt aIndex,
       
   184                                               CDesCArray* aItemTextArray,
       
   185                                               CAknIconArray* aIconArray )
       
   186     {
       
   187     // Add the plugin to visible plugins array:
       
   188     iVisiblePlugins->AppendL( aPlugin );
       
   189 
       
   190     // 1.1) Read item descriptor from plugin:
       
   191     TBuf<256> buf;
       
   192     _LIT( KTab, "\t" );
       
   193 
       
   194     TRAPD
       
   195         (
       
   196         captionErr,
       
   197         aPlugin->GetCaptionL( buf );
       
   198         )
       
   199 
       
   200     // If plugin caption fails, set caption to error string.
       
   201     if( captionErr != KErrNone )
       
   202         {
       
   203         _LIT( KGSParentPluginCaptionErrorTxt, "Error" );
       
   204         buf.Append( KGSParentPluginCaptionErrorTxt );
       
   205         }
       
   206        else
       
   207         {
       
   208         __GSLOGSTRING2( "[CGSMainContainer] 0x%X::GetCaptionL Error: %d",
       
   209         aPlugin->Id().iUid, captionErr );
       
   210         }
       
   211 
       
   212     /**
       
   213     * 1.2) Create formatted item string.
       
   214     * list_single_large_pane:
       
   215     * list item string format: "1\tTextLabel\t0\t0"
       
   216     * where 0 is an index to icon array
       
   217     */
       
   218     TBuf<256> item;
       
   219     item.AppendNum( aIndex );
       
   220     item.Append( KTab );
       
   221     item.Append( buf );
       
   222 
       
   223     aItemTextArray->AppendL( item );
       
   224 
       
   225     // 1.3) Add icons if listbox uses them:
       
   226     CGulIcon* icon;
       
   227     TRAPD
       
   228         (
       
   229         iconErr,
       
   230         icon = aPlugin->CreateIconL( KGSIconTypeLbxItem );
       
   231         )
       
   232 
       
   233     __GSLOGSTRING2(
       
   234         "[CGSMainContainer] CreateIconL result for 0x%X: %d",
       
   235         aPlugin->Id().iUid, iconErr );
       
   236     TSize size = icon->Bitmap()->SizeInPixels();
       
   237     CleanupStack::PushL( icon );
       
   238     aIconArray->AppendL( icon );
       
   239     CleanupStack::Pop( icon );
       
   240 
       
   241     }
       
   242 //Enabling warnings
       
   243 #pragma diag_default 550
       
   244     
       
   245     
       
   246 // ---------------------------------------------------------------------------
       
   247 // CGSMainContainer::GetHelpContext(TCoeHelpContext& aContext) const
       
   248 // Gets Help
       
   249 //
       
   250 // ---------------------------------------------------------------------------
       
   251 //
       
   252 void CGSMainContainer::GetHelpContext( TCoeHelpContext& aContext ) const
       
   253     {
       
   254     aContext.iMajor = KUidGS;
       
   255     aContext.iContext = KCP_HLP_MAIN_VIEW;
       
   256     }
       
   257 
       
   258 
       
   259 // ---------------------------------------------------------------------------
       
   260 // CGSMainContainer::SizeChanged
       
   261 // called by framwork when the view size is changed
       
   262 //
       
   263 // ---------------------------------------------------------------------------
       
   264 //
       
   265 void CGSMainContainer::SizeChanged()
       
   266     {
       
   267     if ( iListBox )
       
   268         {
       
   269         iListBox->SetRect( Rect() );
       
   270         }
       
   271     }
       
   272 
       
   273 
       
   274 // ---------------------------------------------------------------------------
       
   275 // CGSMainContainer::CountComponentControls
       
   276 //
       
   277 //
       
   278 // ---------------------------------------------------------------------------
       
   279 //
       
   280 TInt CGSMainContainer::CountComponentControls() const
       
   281     {
       
   282     return 1;
       
   283     }
       
   284 
       
   285 
       
   286 // ---------------------------------------------------------------------------
       
   287 // CGSMainContainer::ComponentControl
       
   288 //
       
   289 //
       
   290 // ---------------------------------------------------------------------------
       
   291 //
       
   292 CCoeControl* CGSMainContainer::ComponentControl(TInt /*aIndex*/) const
       
   293     {
       
   294     return iListBox;
       
   295     }
       
   296 
       
   297 
       
   298 // ---------------------------------------------------------------------------
       
   299 // CGSMainContainer::TKeyResponse OfferKeyEventL
       
   300 // Called when a key is pressed.
       
   301 //
       
   302 // ---------------------------------------------------------------------------
       
   303 //
       
   304 TKeyResponse  CGSMainContainer::OfferKeyEventL(const TKeyEvent& aKeyEvent,
       
   305                                                TEventCode aType)
       
   306     {
       
   307     switch ( aKeyEvent.iCode )
       
   308         {
       
   309         case EKeyLeftArrow:
       
   310         case EKeyRightArrow:
       
   311             // Listbox takes all event even if it doesn't use them
       
   312             return EKeyWasNotConsumed;
       
   313         default:
       
   314             break;
       
   315         }
       
   316     // now it's iListBox's job to process the key event
       
   317     return iListBox->OfferKeyEventL(aKeyEvent, aType);
       
   318     }
       
   319 
       
   320 
       
   321 // ---------------------------------------------------------------------------
       
   322 // CGSMainContainer::HandleListBoxEventL
       
   323 //
       
   324 //
       
   325 // ---------------------------------------------------------------------------
       
   326 void CGSMainContainer::HandleListBoxEventL(
       
   327     CEikListBox* aListBox,
       
   328     TListBoxEvent aEventType )
       
   329     {
       
   330     __GSLOGSTRING1(
       
   331         "[CGSMainContainer] HandleListBoxEventL aEventType:%d",
       
   332         aEventType);
       
   333     switch ( aEventType )
       
   334         {
       
   335         case EEventEnterKeyPressed:
       
   336         case EEventItemSingleClicked:
       
   337             {
       
   338             if (aListBox->CurrentItemIndex() < 0)
       
   339                 {
       
   340                 // Negative listbox value -> no item selected? 
       
   341                 break;
       
   342                 }
       
   343 
       
   344             CGSPluginInterface* selectedPlugin = iVisiblePlugins->operator[](
       
   345                     aListBox->CurrentItemIndex());
       
   346 
       
   347             // Different command is used depending on the plugin type.
       
   348             switch (selectedPlugin->ItemType())
       
   349                 {
       
   350                 // In these cases the plugin is a view:
       
   351                 case EGSItemTypeSingleLarge:
       
   352                 case EGSItemTypeSetting:
       
   353                 case EGSItemTypeSettingIcon:
       
   354                     iAppUi->ActivateLocalViewL(selectedPlugin->Id());
       
   355                     break;
       
   356                     // In these cases the plugin is a dialog:
       
   357                 case EGSItemTypeSettingDialog:
       
   358                 case EGSItemTypeSingleLargeDialog:
       
   359                     selectedPlugin->HandleSelection(
       
   360                             EGSSelectionBySelectionKey);
       
   361                     UpdateListBoxL(); // Refrest the listbox if value changed.
       
   362                     break;
       
   363                 }
       
   364             }
       
   365             break;
       
   366         default:
       
   367            break;
       
   368         }
       
   369     }
       
   370 
       
   371 
       
   372 // ---------------------------------------------------------------------------
       
   373 // CGSMainContainer::ListBox()
       
   374 //
       
   375 //
       
   376 // ---------------------------------------------------------------------------
       
   377 //
       
   378 CAknSingleLargeStyleListBox* CGSMainContainer::ListBox()
       
   379     {
       
   380     return iListBox;
       
   381     }
       
   382 
       
   383 
       
   384 // ---------------------------------------------------------------------------
       
   385 // CGSMainContainer::HandleResourceChange()
       
   386 //
       
   387 //
       
   388 // ---------------------------------------------------------------------------
       
   389 //
       
   390 void CGSMainContainer::HandleResourceChange( TInt aType )
       
   391     {
       
   392     //Handle layout orientation or skin change
       
   393     CCoeControl::HandleResourceChange( aType );
       
   394     if ( aType == KAknsMessageSkinChange )
       
   395         {
       
   396         TRAP_IGNORE( UpdateListBoxL() );
       
   397         }
       
   398     else if ( aType == KEikDynamicLayoutVariantSwitch  )
       
   399 	    {
       
   400         TRect mainPaneRect;
       
   401         AknLayoutUtils::LayoutMetricsRect( AknLayoutUtils::EMainPane,
       
   402                                            mainPaneRect);
       
   403         SetRect( mainPaneRect );
       
   404 	    }
       
   405     }
       
   406     
       
   407 
       
   408 // -----------------------------------------------------------------------------
       
   409 // CGSMainContainer::SelectedPlugin()
       
   410 //
       
   411 //
       
   412 // -----------------------------------------------------------------------------
       
   413 //
       
   414 CGSPluginInterface* CGSMainContainer::SelectedPlugin()
       
   415     {
       
   416     CGSPluginInterface* plugin = NULL;
       
   417     const TInt index = iListBox->CurrentItemIndex();
       
   418     if ( index >= 0 && index <= iVisiblePlugins->Count() )
       
   419         {
       
   420         plugin = iVisiblePlugins->operator[]( index );
       
   421     __GSLOGSTRING2( "[CGSMainContainer] SelectedPlugin 0x%X in index %d",
       
   422         plugin->Id().iUid, index );
       
   423         }
       
   424     return plugin;
       
   425     }
       
   426 
       
   427 
       
   428 // -----------------------------------------------------------------------------
       
   429 // CGSMainContainer::SetSelectedItem()
       
   430 //
       
   431 //
       
   432 // -----------------------------------------------------------------------------
       
   433 //
       
   434 void CGSMainContainer::SetSelectedItem( TUid aSelectedItemUid )
       
   435     {
       
   436     __GSLOGSTRING1( "[CGSMainContainer] SetSelectedItem(0x%X)",
       
   437         aSelectedItemUid.iUid );
       
   438 
       
   439     TInt selectedItemIndex  = 0;
       
   440     for( TInt i = 0; i < iVisiblePlugins->Count(); i++ )
       
   441         {
       
   442         CGSPluginInterface* plugin = iVisiblePlugins->operator[]( i );
       
   443 
       
   444         __GSLOGSTRING2( "[CGSMainContainer] Checking [%d] 0x%X)",
       
   445             i, plugin->Id().iUid );
       
   446 
       
   447         // If plugin is found, select it:
       
   448         if( plugin->Id() == aSelectedItemUid )
       
   449             {
       
   450             __GSLOGSTRING2( "[CGSMainContainer] Match 0x%X in index %d",
       
   451                 plugin->Id().iUid, i );
       
   452             selectedItemIndex = i;
       
   453             break;
       
   454             }
       
   455         }
       
   456     iListBox->SetCurrentItemIndexAndDraw( selectedItemIndex );
       
   457     }
       
   458 
       
   459 
       
   460 // ---------------------------------------------------------------------------
       
   461 // CGSMainContainer::FocusChanged
       
   462 //
       
   463 // Set focus on the selected listbox. For animated skins feature.
       
   464 // ---------------------------------------------------------------------------
       
   465 void CGSMainContainer::FocusChanged( TDrawNow /*aDrawNow*/ )
       
   466     {
       
   467     if( iListBox )
       
   468         {
       
   469         iListBox->SetFocus( IsFocused() );
       
   470         }
       
   471     }
       
   472 
       
   473 
       
   474 // -----------------------------------------------------------------------------
       
   475 // CGSMainContainer::SetListBoxEmptyTextL()
       
   476 //
       
   477 //Set the empty text of list box.
       
   478 // -----------------------------------------------------------------------------
       
   479 //
       
   480 void CGSMainContainer::SetListBoxEmptyTextL(const TDes& aEmpty )
       
   481     {
       
   482     if( iListBox )
       
   483         {
       
   484         iListBox->View()->SetListEmptyTextL( aEmpty );
       
   485         }
       
   486     }
       
   487 
       
   488 // -----------------------------------------------------------------------------
       
   489 // CGSParentContainer::GetPositionL()
       
   490 //
       
   491 //Get the exact position of listbox.
       
   492 // -----------------------------------------------------------------------------
       
   493 //
       
   494 void CGSMainContainer::GetPositionL(RArray<TInt>& posArray)
       
   495 	{
       
   496 	posArray.AppendL(iListBox->CurrentItemIndex());
       
   497 	posArray.AppendL(iListBox->View()->ItemOffsetInPixels());
       
   498 	posArray.AppendL(iListBox->View()->TopItemIndex());
       
   499 	return;
       
   500 	}
       
   501 
       
   502 // -----------------------------------------------------------------------------
       
   503 // CGSParentContainer::GetPositionL()
       
   504 //
       
   505 //Get the exact position of listbox.
       
   506 // -----------------------------------------------------------------------------
       
   507 //
       
   508 void CGSMainContainer::SetPosition(const RArray<TInt>& pos, TBool aChangeMode)
       
   509 	{
       
   510 	iListBox->SetCurrentItemIndex(pos.operator[](0));
       
   511 
       
   512 	if (aChangeMode)
       
   513 		{
       
   514 		iListBox->View()->VerticalMoveToItemL(pos.operator[](0),
       
   515 				CListBoxView::ESingleSelection);
       
   516 		}
       
   517 	else
       
   518 		{
       
   519 		iListBox->View()->SetItemOffsetInPixels(pos.operator[](1));
       
   520 		iListBox->View()->SetTopItemIndex(pos.operator[](2));
       
   521 		}	
       
   522 	}
       
   523 // End of File