www.pudn.com > S60_Platform_Bluetooth_OBEX_Example.rar > btobjectexchangeappview.cpp

/* Copyright (c) 2004, Nokia. All rights reserved */ 
 
 
// INCLUDE FILES 
#include "BTObjectExchangeAppView.h" 
#include "BTObjectExchange.pan" 
#include "BTObjectExchangeAppUi.h" 
 
// ============================ MEMBER FUNCTIONS ============================== 
 
// ---------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::NewL() 
// Two-phased constructor. 
// ---------------------------------------------------------------------------- 
// 
CBTObjectExchangeAppView* CBTObjectExchangeAppView::NewL( const TRect& aRect ) 
    { 
    CBTObjectExchangeAppView* self = CBTObjectExchangeAppView::NewLC( aRect ); 
    CleanupStack::Pop( self ); 
    return self; 
    } 
 
// ----------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::NewLC() 
// Two-phased constructor. 
// ----------------------------------------------------------------------------- 
// 
CBTObjectExchangeAppView* CBTObjectExchangeAppView::NewLC( const TRect& aRect ) 
    { 
    CBTObjectExchangeAppView* self = new ( ELeave ) CBTObjectExchangeAppView; 
    CleanupStack::PushL( self ); 
    self->ConstructL( aRect ); 
    return self; 
    } 
 
// ----------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::ConstructL() 
// Symbian 2nd phase constructor can leave. 
// ----------------------------------------------------------------------------- 
// 
void CBTObjectExchangeAppView::ConstructL( const TRect& aRect ) 
    { 
    // Create a window for this application view 
    CreateWindowL(); 
 
    // Set the windows size 
    SetRect( aRect ); 
 
    // Create a control to display a list of messages 
    iListBox = new ( ELeave ) CAknSingleNumberStyleListBox; 
    iListBox->SetContainerWindowL( *this ); 
    iListBox->ConstructL( this, 0 ); 
     
    iListBox->SetRect( aRect.Size() ); 
 
    iListBox->ActivateL(); 
    iListBox->CreateScrollBarFrameL( ETrue ); 
    iListBox->ScrollBarFrame()->SetScrollBarVisibilityL(  
        CEikScrollBarFrame::EOn, CEikScrollBarFrame::EAuto ); 
 
    // Create an array to hold the messages 
    iMessageList = new ( ELeave ) CDesCArrayFlat( 10 ); 
 
    // Give it to the control 
    CTextListBoxModel* model = iListBox->Model(); 
    model->SetItemTextArray( iMessageList ); 
 
    // transfer ownership of iMessageList 
    model->SetOwnershipType( ELbmOwnsItemArray );  
 
    // Activate the window, which makes it ready to be drawn 
    ActivateL(); 
    } 
 
// ---------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::CBTObjectExchangeAppView() 
// Constructor. 
// ---------------------------------------------------------------------------- 
// 
CBTObjectExchangeAppView::CBTObjectExchangeAppView() 
: iMsgIndex( 0 ) 
    { 
    // No implementation required. 
    } 
 
// ---------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::~CBTObjectExchangeAppView() 
// Destructor. 
// ---------------------------------------------------------------------------- 
// 
CBTObjectExchangeAppView::~CBTObjectExchangeAppView() 
    { 
    // iMessageList is not deleted as it is owned by iListBox->Model() 
    delete iListBox; 
    iListBox = NULL; 
    } 
 
// ---------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::CountComponentControls() 
// Return the number of component controls. 
// ---------------------------------------------------------------------------- 
// 
TInt CBTObjectExchangeAppView::CountComponentControls() const 
    { 
    return 1; // Only have one Component 
    } 
 
// ---------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::ComponentControl() 
// Gets the specified component of a compound control. 
// ---------------------------------------------------------------------------- 
// 
CCoeControl* CBTObjectExchangeAppView::ComponentControl( TInt aIndex ) const 
    { 
    __ASSERT_ALWAYS( aIndex == 0,  
        Panic( EBTObjectExchangeInvalidControlIndex ) ); 
    return iListBox; 
    } 
 
// ---------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::OfferKeyEventL() 
// Offer the key event to the list box. 
// ---------------------------------------------------------------------------- 
// 
TKeyResponse CBTObjectExchangeAppView 
::OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType ) 
    { 
    //capture keyevent, if it is 'OK' key then get current 
    //text and try to launch the file using document handler 
	if ( aType == EEventKey ) 
	{ 
		switch ( aKeyEvent.iScanCode ) 
		{ 
			case 167: //joystick key press 
				{ 
				TPtrC16 textRow = (*iMessageList)[iListBox->CurrentItemIndex()]; 
				//The row of text is like '1\ttest.txt' 
				TInt tabIndex = textRow.Find(KTabulator) + 2; 
				TPtrC fileName = textRow.Right( textRow.Length() - tabIndex + 1 ); 
				if ( HandleJoystickPressL(fileName) ) 
				   return EKeyWasConsumed; 
				} 
		}; 
	} 
 
   
    return iListBox->OfferKeyEventL( aKeyEvent, aType ); 
    } 
 
// ---------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::LogL( const TDesC& aText ) 
// Add an entry to the log. 
// ---------------------------------------------------------------------------- 
// 
void CBTObjectExchangeAppView::LogL( const TDesC& aText ) 
    { 
    LogL( aText, KNullDesC ); 
    } 
 
// ---------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::LogL( const TDesC& aText, TInt aNumber ) 
// A number to append onto the entry. 
// ---------------------------------------------------------------------------- 
// 
void CBTObjectExchangeAppView::LogL( const TDesC& aText, TInt aNumber ) 
    { 
    TBuf numberString; 
 
    numberString.Num( aNumber ); 
 
    LogL( aText, numberString ); 
    } 
     
 
// ---------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::LogL( const TDesC& aText, const TDesC& aExtraText) 
// Extra text to append onto the entry. 
// ---------------------------------------------------------------------------- 
// 
void CBTObjectExchangeAppView::LogL( const TDesC& aText,  
                                     const TDesC& aExtraText ) 
    { 
    HBufC* buffer = HBufC::NewLC( KMessageHeaderLen + aText.Length() +  
                    aExtraText.Length() ); 
 
    buffer->Des().Num( ++iMsgIndex ); 
    buffer->Des().Append( '\t' ); 
    buffer->Des().Append( aText ); 
    buffer->Des().Append( aExtraText ); 
 
    // add the message to the list 
    iMessageList->AppendL( *buffer ); 
    CleanupStack::PopAndDestroy( buffer ); 
 
    // tell the control about the change 
    iListBox->HandleItemAdditionL(); 
     
    //Set last item current so the recently added log is visible 
    iListBox->SetCurrentItemIndex ( iMessageList->Count()-1 ); 
     
    DrawDeferred(); 
    } 
 
// ---------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::ClearMessageListL() 
// Clears all the entries in the list view. 
// ---------------------------------------------------------------------------- 
// 
void CBTObjectExchangeAppView::ClearMessageListL() 
    { 
    iMessageList->Reset(); 
 
    iListBox->HandleItemRemovalL(); 
    iListBox->Reset(); 
 
    iMsgIndex = 0; 
    } 
 
// ---------------------------------------------------------------------------- 
// CBTObjectExchangeAppView::ContainsEntries() 
// Does the view contain any log entries. 
// ---------------------------------------------------------------------------- 
// 
TBool CBTObjectExchangeAppView::ContainsEntries() 
    { 
    return iListBox->Model()->NumberOfItems() != 0; 
    } 
 
TBool CBTObjectExchangeAppView::HandleJoystickPressL(TDesC& aLine) 
    { 
    CBTObjectExchangeAppUi * appui = static_cast (CCoeEnv::Static()->AppUi() ); 
    return appui->HandleJoystickPressL(aLine); 
    } 
 
// Called by framework when the view size is changed 
void CBTObjectExchangeAppView::SizeChanged() 
    { 
    if(iListBox) 
        { 
    	// Resize the list control 
    	iListBox->SetRect( Rect() );  
        } 
    } 
 
// End of File