--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpxplugins/viewplugins/views/commoncontainer/src/mpxcommoncontainertexturemanager.cpp	Thu Dec 17 08:45:05 2009 +0200
@@ -0,0 +1,210 @@
+/*
+* Copyright (c) 2007 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:  Implementation of MPX common container Texture Manager.
+*
+*/
+
+
+#include <alf/alftexturemanager.h>
+#include <fbs.h>
+#include <mpxlog.h>
+#include "mpxcommoncontainertexturemanager.h"
+
+// CONSTANTS
+
+// ----------------------------------------------------------------------------
+// Constructor.
+// ----------------------------------------------------------------------------
+//
+CMPXCommonContainerTextureManager::CMPXCommonContainerTextureManager(
+    CAlfTextureManager& aTextureManager )
+    : iTextureManager( aTextureManager )
+    {
+    // Set the TextureId range. Now we can set our own ID outside this Range
+    iTextureManager.SetAutomaticTextureIdRange(
+        KMPXFirstAlfThumbnailTextureId,
+        KMPXLastAlfThumbnailTextureId);
+    }
+
+// ----------------------------------------------------------------------------
+// Destructor
+// ----------------------------------------------------------------------------
+//
+CMPXCommonContainerTextureManager::~CMPXCommonContainerTextureManager()
+    {
+    iTextureArray.Close();
+    }
+
+// ----------------------------------------------------------------------------
+// Creates texture from the specified bitmap and mask
+// ----------------------------------------------------------------------------
+CAlfTexture& CMPXCommonContainerTextureManager::CreateTextureL(
+    TInt aItemIndex,
+    TMPXItemId aItemId,
+    CFbsBitmap* aBitmap,
+    CFbsBitmap* aMask )
+    {
+    MPX_DEBUG1("CMPXCommonContainerTextureManager::CreateTextureL(): Entering");
+
+    // store the bitmaps and the item id for the ProvideBitmapL callback
+    iTextureItem.iType = EMPXTextureImage;
+    iTextureItem.iItemIndex = aItemIndex;
+    iTextureItem.iItemId = aItemId;
+    
+    // store the bitmaps for the ProvideBitmapL callback
+    iTextureItem.iBitmap = aBitmap;
+    iTextureItem.iMask = aMask;
+
+    /// @todo if CreateTextureL leaves, we may need to delete
+    // iBitmap and iMask as we transfer their
+    // ownership to Alf and if a leave occurs the ownership transfer
+    // might have not yet happened
+    CAlfTexture& texture = iTextureManager.CreateTextureL(
+        KAlfAutoGeneratedTextureId,
+        this,
+        EAlfTextureFlagDefault );
+
+    MPX_DEBUG1("CMPXCommonContainerTextureManager::CreateTextureL(): Exiting");
+    return texture;
+    }
+
+// ----------------------------------------------------------------------------
+// Creates icon texture from the specified bitmap and mask (not cached)
+// ----------------------------------------------------------------------------
+CAlfTexture& CMPXCommonContainerTextureManager::CreateIconTextureL(
+    TInt aIconIndex,
+    CFbsBitmap* aBitmap,
+    CFbsBitmap* aMask )
+    {
+    MPX_DEBUG1("CMPXCommonContainerTextureManager::CreateTextureL(): Entering");
+
+    // save the icon index
+    iTextureItem.iType = EMPXTextureIcon;
+    iTextureItem.iItemIndex = aIconIndex;
+    
+    // store the bitmaps for the ProvideBitmapL callback
+    iTextureItem.iBitmap = aBitmap;
+    iTextureItem.iMask = aMask;
+
+    /// @todo if CreateTextureL leaves, we may need to delete
+    // iBitmap and iMask as we transfer their
+    // ownership to Alf and if a leave occurs the ownership transfer
+    // might have not yet happened
+    CAlfTexture& texture = iTextureManager.CreateTextureL(
+        KAlfAutoGeneratedTextureId,
+        this,
+        EAlfTextureFlagDefault );
+
+    MPX_DEBUG1("CMPXCommonContainerTextureManager::CreateTextureL(): Exiting");
+    return texture;
+    }
+
+// ----------------------------------------------------------------------------
+// Updates the specified media with the results from the search
+// criteria
+// ----------------------------------------------------------------------------
+void CMPXCommonContainerTextureManager::ProvideBitmapL(
+    TInt aId,
+    CFbsBitmap*& aBitmap,
+    CFbsBitmap*& aBitmapMask)
+    {
+    MPX_DEBUG1("CMPXCommonContainerTextureManager::ProvideBitmapL(): Entering");
+
+    // store the ID
+	iTextureItem.iTextureId = aId;
+    // give the bitmaps to Alf, it takes ownership
+    aBitmap = iTextureItem.iBitmap;
+    aBitmapMask = iTextureItem.iMask;
+
+    // cache the texture item
+    if( iTextureItem.iType == EMPXTextureImage )
+        {
+        iTextureArray.AppendL( iTextureItem );
+        }
+    else // EMPXTextureIcon
+        {
+        iIconTextureArray.AppendL( iTextureItem );        
+        }
+    
+    MPX_DEBUG1("CMPXCommonContainerTextureManager::ProvideBitmapL(): Exiting");
+    }
+
+// ----------------------------------------------------------------------------
+// Returns the texture id for the specified item
+// ----------------------------------------------------------------------------
+TInt CMPXCommonContainerTextureManager::TextureId( TMPXItemId aItemId ) const
+    {
+    MPX_FUNC("CMPXCommonContainerTextureManager::TextureId()");
+
+    TInt textureId( KErrNotFound );
+
+    // Search for the texture id in the cache
+    const TInt count( iTextureArray.Count() );
+    for( TInt index = 0; index < count; index++ )
+        {
+        if( iTextureArray[index].iItemId == aItemId )
+            {
+            textureId = iTextureArray[index].iTextureId;
+            break;
+            }
+        }
+    
+    return textureId;
+    }
+
+// ----------------------------------------------------------------------------
+// Returns the texture id for the specified icon
+// ----------------------------------------------------------------------------
+TInt CMPXCommonContainerTextureManager::IconTextureId( TInt aIconIndex ) const
+    {
+    MPX_FUNC("CMPXCommonContainerTextureManager::IconTextureId()");
+    
+    TInt textureId( KErrNotFound );
+    
+    // Search for the texture id in the cache
+    const TInt count( iIconTextureArray.Count() );
+    for( TInt index = 0; index < count; index++ )
+        {
+        if( iIconTextureArray[index].iItemIndex == aIconIndex )
+            {
+            textureId = iIconTextureArray[index].iTextureId;
+            break;
+            }
+        }
+    
+    return textureId;
+    }
+
+// ----------------------------------------------------------------------------
+// Clears the texture cache array
+// ----------------------------------------------------------------------------
+void CMPXCommonContainerTextureManager::ClearCache( TMPXTextureType aType )
+    {
+    MPX_FUNC("CMPXCommonContainerTextureManager::ClearCache");
+    switch ( aType )
+        {
+        case EMPXTextureImage:
+            iTextureArray.Reset();
+            break;
+        case EMPXTextureIcon:
+            iIconTextureArray.Reset();
+            break;
+        case EMPXTextureNone:
+            iTextureArray.Reset();
+            iIconTextureArray.Reset();
+            break;
+        }
+    }
+
+//End of file