imstutils/imconversationview/imcvuiapp/src/cimcvnewmsgfadecontrol.cpp
changeset 0 5e5d6b214f4f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imstutils/imconversationview/imcvuiapp/src/cimcvnewmsgfadecontrol.cpp	Tue Feb 02 10:12:18 2010 +0200
@@ -0,0 +1,465 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Fader control in navi pane
+*
+*/
+
+
+// INCLUDE FILES
+#include    "cimcvnewmsgfadecontrol.h"
+#include	"mimcvnewmsgfadecontrolobserver.h"
+
+#include	"cimcvappui.h"
+#include	"mimcvapplayoutinfo.h"
+
+#include	<eikenv.h>
+#include	<AknUtils.h>
+#include	<aknnavi.h>
+#include	<aknconsts.h>
+#include    <aknenv.h>
+#include    <applayout.cdl.h>
+#include    <AknsDrawUtils.h>
+#include    <AknsBasicBackgroundControlContext.h>
+
+
+//CONSTANTS
+const TInt KLafCount( 10 ); //Count of LAF indexes
+const TInt KDelayColorIndex( 5 ); //From LAF: Color 0 is in index 5
+const TTimeIntervalMicroSeconds32 KIndicationDelay( 4000000 ); //4 seconds waiting
+const TUint16 KAIMMessageIcon( 0xF808 ); //PUA icon code for AIMMESSAGE
+
+// ========================= MEMBER FUNCTIONS ================================
+
+// -----------------------------------------------------------------------------
+// CIMCVNewMsgFadeControl::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CIMCVNewMsgFadeControl* CIMCVNewMsgFadeControl::NewL( const TRect& aRect )
+	{
+	CIMCVNewMsgFadeControl* self = CIMCVNewMsgFadeControl::NewLC( aRect );
+	CleanupStack::Pop( self );
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CIMCVNewMsgFadeControl::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CIMCVNewMsgFadeControl* CIMCVNewMsgFadeControl::NewLC( const TRect& aRect )
+	{
+	CIMCVNewMsgFadeControl* self = new ( ELeave ) CIMCVNewMsgFadeControl();
+	CleanupStack::PushL( self );
+	self->ConstructL( aRect );
+	return self;
+	}   
+
+// ---------------------------------------------------------------------------
+// CIMCVNewMsgFadeControl::ConstructL(const TRect& aRect)
+// Symbian OS two phased constructor
+// 
+// ---------------------------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::ConstructL( const TRect& aRect )
+    {
+
+	iLayoutInfo = static_cast<CIMCVAppUi*>( iEikonEnv->AppUi() )->
+			LayoutInfo();
+	// Currently we have 2 observers, so granularity of 2 is logical choice.
+	iObserverArray = new ( ELeave ) CArrayPtrSeg<MIMCVNewMsgFadeControlObserver>(2);
+	iIMessage = HBufC::NewL( 512 + 1);//1 is indication character
+	iTimer = CPeriodic::NewL( CActive::EPriorityStandard );
+	
+	iBgContext = CAknsBasicBackgroundControlContext::NewL( 
+	        KAknsIIDQsnBgNavipaneSolid, aRect, EFalse );
+	iViewRect = TRect( aRect );
+	CreateWindowL();
+	MakeVisible( EFalse );
+	}
+
+// Constructor
+CIMCVNewMsgFadeControl::CIMCVNewMsgFadeControl()
+	:iTimerState( ETimerStopped )	
+	{
+	
+	}
+
+// Destructor
+CIMCVNewMsgFadeControl::~CIMCVNewMsgFadeControl()
+    {
+	
+	if( iObserverArray ) 
+		{
+		iObserverArray->Reset();
+		delete iObserverArray;
+		}
+	delete iTimer;
+	delete iIMessage;
+	delete iClippedMessage;
+	delete iBgContext;
+	iTextLayouts.Close();
+	}
+
+// ---------------------------------------------------------------------------
+// CIMCVNewMsgFadeControl::SizeChanged()
+// called by framework when the view size is changed
+//  
+// ---------------------------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::SizeChanged()
+    {
+	TRect myNavePaneRect;
+	AknLayoutUtils::LayoutMetricsRect( AknLayoutUtils::ENaviPane, 
+	        myNavePaneRect );
+
+	
+    myNavePaneRect.Move( -myNavePaneRect.iTl.iX, -myNavePaneRect.iTl.iY );
+
+	iTextLayouts.Reset();
+	for ( TInt i( 0 ); i < KLafCount; i++ )
+	    {
+		TAknLayoutText text;
+		TAknTextLineLayout textLayout;
+		textLayout= iLayoutInfo->IM_navi_pane_texts_Line_1( i, 0 );
+
+		text.LayoutText( myNavePaneRect, textLayout );
+		iTextLayouts.Append( text );
+		
+	    }	
+	TAknWindowLineLayout navipaneLayout = 
+	                        AknLayout::Status_pane_elements_Line_1();
+	iNavipaneRect.LayoutRect( myNavePaneRect, navipaneLayout );
+	
+	UpdateClippedMessage();
+	}
+
+// ---------------------------------------------------------------------------
+// CIMCVNewMsgFadeControl::CountComponentControls() const
+//
+//  
+// ---------------------------------------------------------------------------
+//
+TInt CIMCVNewMsgFadeControl::CountComponentControls() const
+    {
+    return 0;
+    }
+
+// ---------------------------------------------------------------------------
+// CIMCVNewMsgFadeControl::ComponentControl(TInt aIndex) const
+//
+//  
+// ---------------------------------------------------------------------------
+//
+CCoeControl* CIMCVNewMsgFadeControl::ComponentControl(TInt /*aIndex*/) const
+    {
+	return NULL;
+    }
+
+// ---------------------------------------------------------------------------
+// CIMCVNewMsgFadeControl::Draw(const TRect& aRect) const
+// 
+//  
+// ---------------------------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::Draw( const TRect& /*aRect*/ ) const
+	{
+	CWindowGc& gc = SystemGc();
+	
+	MAknsSkinInstance* skin = AknsUtils::SkinInstance();
+	MAknsControlContext* cc = iBgContext;
+	if ( !AknsDrawUtils::Background( skin, cc, gc, iViewRect ) )
+		{
+		gc.Clear( iViewRect );
+		}		
+    iTextLayouts[iColorIndex].DrawText( gc, *iClippedMessage );
+	
+	}
+
+// ---------------------------------------------------------------------------
+// CIMCVNewMsgFadeControl::HandleControlEventL(CCoeControl* aControl,TCoeEvent aEventType)
+//  
+//  
+// ---------------------------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::HandleControlEventL(CCoeControl* /*aControl*/,
+        TCoeEvent /*aEventType*/)
+    {
+    }
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::FadeText()
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+TInt CIMCVNewMsgFadeControl::FadeText( TAny* aAnyPtr )
+	{
+	if ( !aAnyPtr ) 
+		{
+		return EFalse;
+		}
+	
+	CIMCVNewMsgFadeControl* view = reinterpret_cast< CIMCVNewMsgFadeControl* >( aAnyPtr );
+	
+	if( view->iColorIndex < KLafCount - 1 ) 
+		{
+		view->iColorIndex++;
+		view->ReportChange();
+		if ( view->iColorIndex == KDelayColorIndex )
+			{
+			//Delayed color is displayed 4 seconds
+			view->StartTicker( KIndicationDelay );
+			}	
+		return ETrue;
+		}
+	
+	view->iColorIndex = 0;
+	view->Stop();
+	TInt count( view->iObserverArray->Count() );
+	for( TInt i(0); i < count; ++i )
+		{
+        MIMCVNewMsgFadeControlObserver* obs = view->iObserverArray->At( i );
+		if( obs ) 
+			{
+			obs->NotifyWhenCompleted();
+			}
+		}		
+	return EFalse;	
+	}
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::Start()
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::Start()
+	{
+	TRect myNavePaneRect;
+	AknLayoutUtils::LayoutMetricsRect( AknLayoutUtils::ENaviPane, 
+	    myNavePaneRect );
+	myNavePaneRect.Move( -myNavePaneRect.iTl.iX, -myNavePaneRect.iTl.iY );
+	
+	TAknWindowLineLayout navipanelayout = AknLayout::navi_pane( 0 );
+	AknLayoutUtils::LayoutControl( this, myNavePaneRect, navipanelayout );
+	
+	iTimerTick = 10000; //KTimerInterval;
+	
+	TInt count( iObserverArray->Count() );
+	for( TInt i(0); i < count; ++i )
+		{
+        MIMCVNewMsgFadeControlObserver* obs = iObserverArray->At( i );
+		if( obs ) 
+			{
+			obs->NotifyWhenStarted();
+			}
+		}
+		
+	if ( !IsActivated() ) 
+		{
+		TRAPD( err, ActivateL() );
+        if( err != KErrNone )
+            {
+            CActiveScheduler::Current()->Error( err );
+            }
+		}
+	
+	if ( !IsVisible() ) 
+		{
+		MakeVisible( ETrue );
+		}	
+	
+	StartTicker( 0 );
+	}
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::StartTicker()
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::StartTicker( 
+            const TTimeIntervalMicroSeconds32 aDelayInternal )
+	{
+	if ( iTimerState == ETimerActivated ) 
+		{
+		iTimer->Cancel();
+		iTimerState = ETimerStopped;
+		}
+	TCallBack cb( FadeText, this );
+	iTimer->Start( aDelayInternal, iTimerTick, cb );
+	iTimerState = ETimerActivated;
+	}
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::Stop()
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::Stop()
+	{	
+	if ( IsVisible() ) 
+		{
+		MakeVisible( EFalse );
+		}	
+	StopTicker();
+	}
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::AddObserver()
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::AddObserver( MIMCVNewMsgFadeControlObserver* aObserver )
+	{	
+	TRAPD( err, iObserverArray->AppendL( aObserver ) );
+	HandleError( err );
+	}	
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::SetMessage()
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::SetMessage( TDesC& aMsg )
+	{
+    HBufC* temp = NULL;
+    TRAPD( err, temp = HBufC::NewL( aMsg.Length() + 1 ) );
+	HandleError( err );
+    if( temp )
+        {
+        delete iIMessage;
+	    iIMessage = temp;
+	    TPtr imMsgPtr( iIMessage->Des() );
+		imMsgPtr.Append( TChar( KAIMMessageIcon ) ); 
+		imMsgPtr.Append( aMsg );
+
+        UpdateClippedMessage();
+        }
+	}
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::Message()
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+TPtrC CIMCVNewMsgFadeControl::Message() const
+	{
+	return *iIMessage;
+	}
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::IsActive()
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+TBool CIMCVNewMsgFadeControl::IsActive()
+	{
+	if ( iTimer ) 
+		{
+		return iTimer->IsActive();
+		}
+	return EFalse;
+	}
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::Reset()
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::Reset()
+	{
+	if ( iIMessage ) 
+		{
+		TPtr mesgPtr( iIMessage->Des() );
+		mesgPtr.Zero();
+		}
+    
+    if( iClippedMessage )
+        {
+        TPtr clipPtr( iClippedMessage->Des() );
+        clipPtr.Zero();
+		DrawNow();
+        }
+	}
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::StopTicker()
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::StopTicker()
+	{
+	if ( iTimerState == ETimerActivated ) 
+		{
+		iTimer->Cancel();
+		iTimerState = ETimerStopped;
+		}	
+	}
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::ReportChange()
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::ReportChange()
+	{
+	TRAPD( err, ReportEventL( MCoeControlObserver::EEventStateChanged ) );
+	HandleError( err );
+	}
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::HandleError
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::HandleError( TInt aError )
+    {
+    
+    if( (aError < KErrNone) )
+        {
+        // propagate system errors to current active scheduler,
+        // it should show a note
+        CActiveScheduler::Current()->Error( aError );
+        }
+
+    // imps errors are ignored at the moment as we don't have any
+    // notes specified for them
+    }
+
+// ---------------------------------------------------------
+// CIMCVNewMsgFadeControl::UpdateClippedMessage
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CIMCVNewMsgFadeControl::UpdateClippedMessage()
+    {
+    HBufC* temp = NULL;
+    TRAPD( err, temp = iIMessage->AllocL() );
+    if ( err )
+        {
+        delete temp;
+        HandleError( err );
+        }
+    
+    if ( temp )
+        {
+        delete iClippedMessage;
+        iClippedMessage = temp;
+        TPtr clipPtr( iClippedMessage->Des() );
+        
+        const CFont* font = iTextLayouts[iColorIndex].Font();
+        AknTextUtils::ClipToFit( clipPtr, *font, Rect().Width() );
+        }
+    }
+
+// End of file