meetingrequest/mrgui/src/cmrnaviarrow.cpp
branchRCL_3
changeset 25 3533d4323edc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mrgui/src/cmrnaviarrow.cpp	Wed Sep 01 12:28:57 2010 +0100
@@ -0,0 +1,291 @@
+/*
+* Copyright (c) 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:  Navigation arrow (used to replace the navipane).
+*
+*/
+
+#include "cmrnaviarrow.h"
+#include "nmrbitmapmanager.h"
+#include "cesmrviewerdialog.h"
+#include "esmricalvieweropcodes.hrh"
+
+#include <aknbutton.h>
+#include <gulicon.h>
+#include <w32std.h>
+
+#include "emailtrace.h"
+
+namespace
+{
+// Value table for 70% Transparency 
+const TInt KTransparency[256] =
+    { 
+    0, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 7, 7, 7,
+    8, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 13, 13, 13,
+    14, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 19,
+    19, 19, 20, 20, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 23, 24, 24,
+    24, 25, 25, 25, 26, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 29,
+    30, 30, 30, 31, 31, 31, 32, 32, 32, 32, 33, 33, 33, 34, 34, 34, 35, 35,
+    35, 35, 36, 36, 36, 37, 37, 37, 38, 38, 38, 38, 39, 39, 39, 40, 40, 40,
+    41, 41, 41, 41, 42, 42, 42, 43, 43, 43, 44, 44, 44, 44, 45, 45, 45, 46,
+    46, 46, 47, 47, 47, 47, 48, 48, 48, 49, 49, 49, 50, 50, 50, 50, 51, 51,
+    51, 52, 52, 52, 53, 53, 53, 53, 54, 54, 54, 55, 55, 55, 56, 56, 56, 56,
+    57, 57, 57, 58, 58, 58, 59, 59, 59, 59, 60, 60, 60, 61, 61, 61, 62, 62,
+    62, 62, 63, 63, 63, 64, 64, 64, 65, 65, 65, 65, 66, 66, 66, 67, 67, 67,
+    68, 68, 68, 68, 69, 69, 69, 70, 70, 70, 71, 71, 71, 71, 72, 72, 72, 73,
+    73, 73, 74, 74, 74, 74, 75, 75, 75, 76, 76, 76, 77, 77 
+    };
+
+}
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CMRNaviArrow::NewL()
+// ---------------------------------------------------------------------------
+//
+CMRNaviArrow* CMRNaviArrow::NewL( const CCoeControl* aParent, 
+		TArrowType aType,
+        MESMRNaviArrowEventObserver* aObserver,
+        TSize aIconSize )
+    {
+    FUNC_LOG;
+    CMRNaviArrow* self = new (ELeave) CMRNaviArrow( aObserver, aType, aIconSize );
+    CleanupStack::PushL( self );
+    self->ConstructL( aParent);
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CMRNaviArrow::CMRNaviArrow()
+// ---------------------------------------------------------------------------
+//
+CMRNaviArrow::CMRNaviArrow( MESMRNaviArrowEventObserver* aObserver, TArrowType aType, TSize aIconSize )
+    :iObserver(aObserver),
+    iArrowType(aType),
+    iIconSize( aIconSize )
+    {
+    FUNC_LOG;
+    // Do nothing
+    }
+
+// ---------------------------------------------------------------------------
+// CMRNaviArrow::~CMRNaviArrow
+// ---------------------------------------------------------------------------
+//
+CMRNaviArrow::~CMRNaviArrow()
+    {
+    FUNC_LOG;
+    delete iArrow;
+    }
+
+// ---------------------------------------------------------------------------
+// CMRNaviArrow::ConstructL()
+// ---------------------------------------------------------------------------
+//
+void CMRNaviArrow::ConstructL( const CCoeControl* aParent )
+    {
+    FUNC_LOG;
+    CreateWindowL( aParent );
+    EnableWindowTransparency();
+    InitNaviArrowsL();
+    }
+
+// ---------------------------------------------------------------------------
+// CMRNaviArrow::InitNaviArrows()
+// ---------------------------------------------------------------------------
+//
+void CMRNaviArrow::InitNaviArrowsL()
+    {
+    FUNC_LOG;
+
+    CFbsBitmap* bitMapL( NULL );
+    CFbsBitmap* bitMapMaskL( NULL );
+    NMRBitmapManager::TMRBitmapId bitmapId;
+    if ( EMRArrowLeft == iArrowType )
+    	{
+    	bitmapId = NMRBitmapManager::EMRBitmapMailPre;
+    	}
+    else
+    	{
+    	bitmapId = NMRBitmapManager::EMRBitmapMailNext;
+    	}
+    NMRBitmapManager::GetSkinBasedBitmapLC(
+    		bitmapId, bitMapL, bitMapMaskL, iIconSize );
+    
+    CGulIcon* transparentIconL = CreateSemiTransparentIconL(  bitMapL, bitMapMaskL );
+    CleanupStack::Pop( 2 ); // bitMap, bitMapMask
+    CleanupStack::PushL( transparentIconL );
+    iArrow = CAknButton::NewL( transparentIconL, NULL, NULL, NULL, KNullDesC,
+            KNullDesC, KAknButtonNoFrame | KAknButtonPressedDownFrame, 0 );
+    CleanupStack::Pop( transparentIconL );
+
+    iArrow->SetParent( this );
+    iArrow->SetContainerWindowL(*this);
+    }
+
+// ---------------------------------------------------------------------------
+// CMRNaviArrow::SizeChanged
+// ---------------------------------------------------------------------------
+//
+void CMRNaviArrow::SizeChanged()
+    {
+    FUNC_LOG;
+    iArrow->SetRect( Rect() );
+    }
+
+// ---------------------------------------------------------------------------
+// CMRNaviArrow::CountComponentControls()
+// ---------------------------------------------------------------------------
+//
+TInt CMRNaviArrow::CountComponentControls() const
+    {
+    FUNC_LOG;
+    TInt count(0);
+    if( iArrow )
+        {
+        count++;
+        }
+    return count;
+    }
+
+// ---------------------------------------------------------------------------
+// CMRNaviArrow::ComponentControl()
+// ---------------------------------------------------------------------------
+//
+CCoeControl* CMRNaviArrow::ComponentControl( TInt aInd ) const
+    {
+    FUNC_LOG;
+    CCoeControl* control = NULL;
+    switch ( aInd )
+        {
+        case 0:                              
+            control = iArrow;
+            break;
+        default:
+            break;
+        }
+
+    return control;
+    }
+
+// ---------------------------------------------------------------------------
+// CMRNaviArrow::HandlePointerEventL()
+// ---------------------------------------------------------------------------
+//
+void CMRNaviArrow::HandlePointerEventL( const TPointerEvent &aPointerEvent )
+    {
+    FUNC_LOG;
+    CCoeControl::HandlePointerEventL(aPointerEvent);
+    TESMRIcalViewerOperationType operationType;
+    if ( EMRArrowLeft == iArrowType )
+    	{
+    	operationType = EESMRCmdMailPreviousMessage;
+    	}
+    else
+    	{
+    	operationType = EESMRCmdMailNextMessage;
+    	}
+    if( aPointerEvent.iType == TPointerEvent::EButton1Up )
+        {
+        if ( iArrow->Rect().Contains( aPointerEvent.iPosition ) )
+            {
+            iObserver->HandleNaviArrowEventL( operationType );
+            }
+        else
+            {
+            Parent()->HandlePointerEventL(aPointerEvent);
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CMRNaviArrow::SetNaviArrowStatus()
+// ---------------------------------------------------------------------------
+//
+void CMRNaviArrow::SetNaviArrowStatus( TBool aVisible )
+    {
+    FUNC_LOG;
+    iArrow->MakeVisible( aVisible );
+    DrawDeferred();
+    }
+
+// ---------------------------------------------------------------------------
+// CMRNaviArrow::Draw()
+// ---------------------------------------------------------------------------
+//
+void CMRNaviArrow::Draw(const TRect& /*aRect*/) const
+    {
+    FUNC_LOG;
+    }
+
+// ---------------------------------------------------------------------------
+// CMRNaviArrow::CreateSemiTransparentIconL()
+// ---------------------------------------------------------------------------
+//
+CGulIcon* CMRNaviArrow::CreateSemiTransparentIconL( CFbsBitmap* aBitMap, 
+                                                CFbsBitmap* aBitMapMask )
+    {
+    CGulIcon* newIcon(NULL);
+    
+    if ( aBitMap && aBitMapMask )
+        {
+        newIcon = CGulIcon::NewLC();
+        newIcon->SetBitmap( aBitMap );
+
+        CFbsBitmap* newMask = new ( ELeave ) CFbsBitmap;        
+        CleanupStack::PushL( newMask );
+        
+        User::LeaveIfError( newMask->Create( 
+            newIcon->Bitmap()->SizeInPixels(), EGray256 ) );        
+           
+        CFbsBitmapDevice* bitmapDevice = CFbsBitmapDevice::NewL( newMask );
+        CleanupStack::PushL( bitmapDevice );
+        
+        CFbsBitGc* bitGc( NULL );
+        User::LeaveIfError( bitmapDevice->CreateContext( bitGc ) );
+        CleanupStack::PushL( bitGc );
+
+        bitGc->SetBrushStyle( CGraphicsContext::ESolidBrush );
+        bitGc->BitBlt( TPoint( 0, 0 ), aBitMapMask );
+        
+        newMask->LockHeap();
+        TInt w = aBitMapMask->SizeInPixels().iWidth; 
+        TInt h = aBitMapMask->SizeInPixels().iHeight;
+        TInt dataStride = aBitMapMask->DataStride() - w; 
+        unsigned char* address = (unsigned char *)newMask->DataAddress();  
+        
+        for ( TInt i = 0; i < h; ++i )
+            {
+            for ( TInt j = 0; j < w; ++j )
+                {
+                *address = KTransparency[*address];
+                ++address;
+                }
+            address += dataStride;         
+            }
+
+        newMask->UnlockHeap();
+        newIcon->SetMask( newMask );
+                           
+        CleanupStack::PopAndDestroy( 2 ); // bitmapDevice, bitGc
+        CleanupStack::Pop( 2 ); // newIcon, newMask
+        }
+    
+    return newIcon;
+    }
+
+// End of file