javauis/mmapi_akn/baseline/src/cmmaaudiometadatacontrol.cpp
branchRCL_3
changeset 14 04becd199f91
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_akn/baseline/src/cmmaaudiometadatacontrol.cpp	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,86 @@
+/*
+* 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:  CMMAAudioMetaDataControl is a concrete class for getting
+*                metadata from an audio media.
+*
+*/
+
+
+//  INCLUDE FILES
+#include <jdebug.h>
+
+#include "cmmaaudiometadatacontrol.h"
+
+CMMAAudioMetaDataControl::CMMAAudioMetaDataControl(
+    RMMFController& aController)
+        : iController(aController)
+{
+    DEBUG("CMMAAudioMetaDataControl constructor called.");
+}
+
+TInt CMMAAudioMetaDataControl::KeyCountL()
+{
+    TInt entries = 0;
+
+    User::LeaveIfError(iController.GetNumberOfMetaDataEntries(entries));
+    return entries;
+}
+
+HBufC* CMMAAudioMetaDataControl::KeyL(TInt aIndex)
+{
+    CMMFMetaDataEntry* currEntry = NULL;
+
+    currEntry = iController.GetMetaDataEntryL(aIndex);
+    CleanupStack::PushL(currEntry);
+    HBufC* key = currEntry->Name().AllocL();
+    CleanupStack::PopAndDestroy(); // currEntry
+
+    return key;
+}
+
+
+/*
+ * Get the value of given audio metadata key. The ownership of the created value
+ * (descriptor) is passed to the caller.
+ */
+HBufC* CMMAAudioMetaDataControl::KeyValueL(const TDesC& aKey)
+{
+    DEBUG("MMA::CMMAAudioMetaDataControl::GetKeyValueL() called.");
+
+    HBufC* retVal = NULL;
+    CMMFMetaDataEntry* currEntry = NULL;
+
+    TInt nEntries = 0;
+    User::LeaveIfError(iController.GetNumberOfMetaDataEntries(nEntries));
+
+    for (TInt i = 0; i < nEntries; ++i)
+    {
+        currEntry = iController.GetMetaDataEntryL(i);
+
+        if (0 == aKey.Compare(currEntry->Name()))
+        {
+            CleanupStack::PushL(currEntry);
+            retVal = currEntry->Value().AllocL();
+            CleanupStack::PopAndDestroy(); // currEntry
+            break;
+        }
+
+        delete currEntry;
+    }
+
+    User::LeaveIfNull(retVal);
+    return retVal;
+}
+
+//  END OF FILE