mpxplugins/viewplugins/views/commoncontainer/src/mpxcommoncontainertexturemanager.cpp
--- /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