--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarksui/uicontrols/src/CLmkSelectorIconMgr.cpp Wed Sep 01 12:31:27 2010 +0100
@@ -0,0 +1,394 @@
+/*
+* Copyright (c) 2002 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: LandmarksUi Content File -
+*
+*/
+
+
+
+
+
+
+
+
+// INCLUDE FILES
+#include "CLmkSelectorIconMgr.h"
+#include "LmkConsts.h"
+#include "CLmkUiUtils.h"
+#include <data_caging_path_literals.hrh>
+#include <gulicon.h>
+#include <AknIconArray.h>
+#include <avkon.mbg>
+#include <AknsConstants.h>
+#include <AknsUtils.h>
+#include <AknIconUtils.h>
+#include <AknUtils.h>
+#include <lmkerrors.h>
+
+
+// CONSTANTS
+/// Unnamed namespace for local definitions
+namespace {
+const TInt KLmkIconCacheGranularity = 30;
+const TInt KLmkIconFilesGranularity = 5;
+#if defined(_DEBUG)
+
+_LIT(KPanicMsg,"CLmkSelectorIconMgr");
+
+void Panic( TPanicCode aReason )
+ {
+ User::Panic( KPanicMsg, aReason );
+ }
+#endif
+} // namespace
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::TIconData
+// ----------------------------------------------------
+//
+CLmkSelectorIconMgr::TIconData::TIconData():
+ iFileIndex( KErrNotFound ),
+ iIconIndexWithinFile( KErrNotFound ),
+ iIconType( EDefinedIcon ),
+ iIconArrayId( KErrNotFound )
+ {
+ }
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CLmkSelectorIconMgr::CLmkSelectorIconMgr
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CLmkSelectorIconMgr::CLmkSelectorIconMgr( CAknIconArray& aArray )
+ : iArray( &aArray ),
+ iCache( KLmkIconCacheGranularity )
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// CLmkSelectorIconMgr::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CLmkSelectorIconMgr::ConstructL()
+ {
+ iIconFiles = new( ELeave ) CDesCArrayFlat( KLmkIconFilesGranularity );
+ ResetMgrL();
+ }
+
+// -----------------------------------------------------------------------------
+// CLmkSelectorIconMgr::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+
+CLmkSelectorIconMgr* CLmkSelectorIconMgr::NewL(
+ CAknIconArray& aArray )
+ {
+ CLmkSelectorIconMgr* self = new( ELeave ) CLmkSelectorIconMgr( aArray );
+
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop();
+
+ return self;
+ }
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::~CLmkSelectorIconMgr
+// ----------------------------------------------------
+//
+CLmkSelectorIconMgr::~CLmkSelectorIconMgr()
+ {
+ iCache.Close();
+ delete iIconFiles;
+ }
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::GetIconL
+// ----------------------------------------------------
+//
+TInt CLmkSelectorIconMgr::GetIconL(
+ const TDesC& aMbmFileName,
+ TInt aIconIdInFile )
+ {
+ TInt position( 0 );
+ if ( iIconFiles->Find( aMbmFileName, position, ECmpNormal ) == 0 )
+ { // same file has been used already and so it exists in the array
+ TInt count = iCache.Count();
+ for ( TInt i( 0 ); i < count; ++i )
+ {
+ if ( position == iCache[i].iFileIndex &&
+ aIconIdInFile == iCache[i].iIconIndexWithinFile )
+ { // icon was found in icon manager!
+ // If Array Index was not set properly, then set the index propely
+ if (( iCache[i].iIconArrayId < 0) ||
+ (iCache[i].iIconArrayId > KLmkIconCacheGranularity) )
+ {
+ break;
+ }
+ return iCache[i].iIconArrayId;
+ }
+ }
+ }
+
+ // aMbmFileName does not yet exist in the file name array OR it exists but
+ // this specific icon hasn't been requested yet:
+
+ // create icon manager item:
+ TInt iconMgrId = CreateIconMgrItemL( aMbmFileName, aIconIdInFile );
+
+ // try to load new icon:
+ iCache[iconMgrId].iIconArrayId =
+ LoadAndAppendIconL( aMbmFileName, aIconIdInFile );
+
+ return iCache[iconMgrId].iIconArrayId;
+ }
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::GetDefaultIconL
+// ----------------------------------------------------
+//
+TInt CLmkSelectorIconMgr::GetDefaultIconL( TIconType aIcon )
+ {
+ TInt count = iCache.Count();
+ for ( TInt i( 0 ); i < count ; ++i )
+ {
+ TIconData tmp = iCache[i];
+ if ( tmp.iIconType == aIcon )
+ { // default icon was found
+ if ( tmp.iIconArrayId < 0 )
+ { // try to load new icon.
+ TPtrC iconFile = ( *iIconFiles )[tmp.iFileIndex];
+ tmp.iIconArrayId =
+ LoadAndAppendIconL( iconFile, tmp.iIconIndexWithinFile );
+ }
+ return tmp.iIconArrayId;
+ }
+ }
+ return KErrNotFound; // default icon was not found
+ }
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::SetDefaultIconL
+// ----------------------------------------------------
+//
+void CLmkSelectorIconMgr::SetDefaultIconL(
+ TIconType aIcon,
+ const TDesC& aMbmFileName,
+ TInt aIconIdInFile )
+ {
+ if ( GetDefaultIconL( aIcon ) >= 0 )
+ { // default icon already set
+ User::Leave( KErrAlreadyExists );
+ }
+
+ TInt iconMgrId = CreateIconMgrItemL( aMbmFileName, aIconIdInFile );
+ iCache[iconMgrId].iIconType = aIcon;
+ // Added for updating Icon index
+ iCache[iconMgrId].iIconArrayId =
+ LoadAndAppendIconL( aMbmFileName, aIconIdInFile );
+ }
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::SetIconAtIndexZeroL
+// ----------------------------------------------------
+//
+void CLmkSelectorIconMgr::SetIconAtIndexZeroL(
+ const TDesC& aMbmFileName,
+ TAknsItemID aSkinID,
+ TInt aIconId,
+ TInt aMaskId )
+ {
+ __ASSERT_DEBUG( iArray->Count() >= 2,
+ Panic( KLmkPanicIndexesZeroOneNotSet ) );
+
+ CGulIcon* icon = LoadIconL( aMbmFileName, aSkinID, aIconId, aMaskId );
+ CleanupStack::PushL( icon );
+
+ CGulIcon* old = iArray->At( 0 );
+ iArray->Delete( 0 );
+ delete old;
+ iArray->InsertL( 0, icon );
+
+ CleanupStack::Pop( icon ); // ownership transferred to icon array
+ }
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::SetIconAtIndexOneL
+// ----------------------------------------------------
+//
+void CLmkSelectorIconMgr::SetIconAtIndexOneL(
+ const TDesC& aMbmFileName,
+ TAknsItemID aSkinID,
+ TInt aIconId,
+ TInt aMaskId )
+ {
+ __ASSERT_DEBUG( iArray->Count() >= 2,
+ Panic( KLmkPanicIndexesZeroOneNotSet ) );
+
+ CGulIcon* icon = LoadIconL( aMbmFileName, aSkinID, aIconId, aMaskId );
+ CleanupStack::PushL( icon );
+
+ CGulIcon* old = iArray->At( 1 );
+ iArray->Delete( 1 );
+ delete old;
+ iArray->InsertL( 1, icon );
+
+ CleanupStack::Pop( icon ); // ownership transferred to icon array
+ }
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::ResetMgrL
+// ----------------------------------------------------
+//
+void CLmkSelectorIconMgr::ResetMgrL()
+ {
+ iArray->ResetAndDestroy();
+ iIconFiles->Reset();
+ iCache.Reset();
+
+ // By default set empty icons as selection icons:
+
+ TFileName* iconFile = CLmkUiUtils::AvkonIconFileLC();
+ CGulIcon* icon = LoadIconL( *iconFile,
+ KAknsIIDQgnPropEmpty,
+ EMbmAvkonQgn_prop_empty,
+ EMbmAvkonQgn_prop_empty_mask );
+ CleanupStack::PushL( icon );
+ iArray->AppendL( icon );
+ CleanupStack::Pop( icon ); // ownership transferred to icon array
+ icon = NULL;
+
+ icon = LoadIconL( *iconFile,
+ KAknsIIDQgnPropEmpty,
+ EMbmAvkonQgn_prop_empty,
+ EMbmAvkonQgn_prop_empty_mask );
+ CleanupStack::PushL( icon );
+ iArray->AppendL( icon );
+ CleanupStack::Pop( icon ); // ownership transferred to icon array
+ CleanupStack::PopAndDestroy( ); // iconFile
+ }
+
+// ============================= HELPER METHODS ================================
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::LoadIconL
+// ----------------------------------------------------
+//
+CGulIcon* CLmkSelectorIconMgr::LoadIconL(
+ const TDesC& aMbmFileName,
+ TInt aIconIdInFile )
+ {
+ CFbsBitmap* bitmap = NULL;
+ CFbsBitmap* bitmapMask = NULL;
+
+ AknIconUtils::CreateIconLC(bitmap, bitmapMask, aMbmFileName,
+ aIconIdInFile, aIconIdInFile + 1);
+ CGulIcon* icon = CGulIcon::NewL( bitmap, bitmapMask );
+ CleanupStack::Pop( 2 ); // bitmapMask, bitmap. icon has now ownership
+ return icon;
+ }
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::LoadIconL
+// ----------------------------------------------------
+//
+CGulIcon* CLmkSelectorIconMgr::LoadIconL(
+ const TDesC& aMbmFileName,
+ TAknsItemID aSkinID,
+ TInt aIconId,
+ TInt aMaskId )
+ {
+ MAknsSkinInstance* skin = AknsUtils::SkinInstance();
+
+ CFbsBitmap* bitmap = NULL;
+ CFbsBitmap* bitmapMask = NULL;
+ AknsUtils::CreateIconLC( skin, aSkinID, bitmap, bitmapMask, aMbmFileName,
+ aIconId, aMaskId );
+ CGulIcon* icon = CGulIcon::NewL( bitmap, bitmapMask );
+ CleanupStack::Pop( 2 ); // bitmapMask, bitmap. icon has now ownership
+ return icon;
+ }
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::LoadAndAppendIconL
+// ----------------------------------------------------
+//
+TInt CLmkSelectorIconMgr::LoadAndAppendIconL(
+ const TDesC& aMbmFileName,
+ TInt aIconIdInFile )
+ {
+ CGulIcon* icon = LoadIconL( aMbmFileName, aIconIdInFile );
+ CleanupStack::PushL( icon );
+ iArray->AppendL( icon );
+ CleanupStack::Pop( icon );
+ // Added for avoiding returning -1 as bitmap Index
+ if (iArray->Count() > 0)
+ {
+ return iArray->Count() - 1;
+ }
+ else
+ {
+ return 0;
+ }
+ }
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::CreateIconMgrItemL
+// ----------------------------------------------------
+//
+TInt CLmkSelectorIconMgr::CreateIconMgrItemL(
+ const TDesC& aMbmFileName,
+ TInt aIconIdInFile )
+ {
+ TIconData tmp;
+
+
+ tmp.iFileIndex = AppendedIconFileIndexL( aMbmFileName );
+ tmp.iIconIndexWithinFile = aIconIdInFile;
+
+ User::LeaveIfError( iCache.Append( tmp ) );
+ if (iCache.Count() > 0)
+ {
+ return iCache.Count() - 1;
+ }
+ else
+ {
+ return 0;
+ }
+ }
+
+// ----------------------------------------------------
+// CLmkSelectorIconMgr::AppendedIconFileIndexL
+// ----------------------------------------------------
+//
+TInt CLmkSelectorIconMgr::AppendedIconFileIndexL( const TDesC& aMbmFileName )
+ {
+ TInt position( 0 );
+ if ( iIconFiles->Find( aMbmFileName, position, ECmpNormal ) != 0 )
+ { // file does not yet exist in the file name array
+ iIconFiles->AppendL( aMbmFileName );
+ return iIconFiles->Count() - 1;
+ }
+ else
+ { // file already exists, just return its position
+ return position;
+ }
+ }
+
+// End of File