--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/baseline/inc/cmmasourcestream.h Tue Aug 31 15:09:22 2010 +0300
@@ -0,0 +1,165 @@
+/*
+* Copyright (c) 2002-2007 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: Class for reading data from Java SourceStream to native side
+*
+*/
+
+
+#ifndef CMMASOURCESTREAM_H
+#define CMMASOURCESTREAM_H
+
+//#include <jutils.h>
+#include "mmafunctionserver.h"
+
+class CMMASourceStreamEvent;
+class MMMASourceStreamListener;
+class MMMAEventPoster;
+
+// CONSTANTS
+const TInt KMMAReadAllData = -1;
+
+// CLASS DECLARATION
+/**
+* Class for reading data from Java SourceStream to native side
+*
+*
+*/
+NONSHARABLE_CLASS(CMMASourceStream): public CBase
+{
+public:
+ /**
+ * Status of the source stream reader
+ */
+ enum TStatus
+ {
+ EReadAll = 1,
+ ERead = 2,
+ EMoreData = 3,
+ ECompleted = 4,
+ EClosed = 5
+ };
+
+public: // Constructors and destructors
+ /**
+ * Object creation. Static method.
+ *
+ * @param aJNIEnv handle to used jni environment
+ * @param aEventPoster handle to event poster
+ * @param aJavaSourceStream handle to java SourceStream object
+ * @param aListener Handle to source stream listener
+ *
+ * @return CMMASourceStream object
+ */
+ static CMMASourceStream* NewL(JNIEnv* aJNIEnv,
+ MMMAEventPoster* aEventPoster,
+ jobject aJavaSourceStream,
+ MMMASourceStreamListener* aListener);
+
+ /**
+ * The same as NewL with cleanup stack
+ * @see NewL
+ */
+ static CMMASourceStream* NewLC(JNIEnv* aJNIEnv,
+ MMMAEventPoster* aEventPoster,
+ jobject aJavaSourceStream,
+ MMMASourceStreamListener* aListener);
+
+ /**
+ * Deletes owned objects
+ */
+ ~CMMASourceStream(); // Destructor
+
+protected: // Constructors and destructors
+
+ /**
+ * Set variables
+ * @param aEventPoster handle to event poster
+ * @param aListener handle to source stream listener
+ */
+ CMMASourceStream(MMMAEventPoster* aEventPoster,
+ MMMASourceStreamListener* aListener);
+
+ /**
+ * 2nd phase constructor
+ *
+ * @param aJNIEnv used jni environment
+ * @param aJavaSourceStream handle to java source stream object
+ */
+ void ConstructL(JNIEnv* aJNIEnv, jobject aJavaSourceStream);
+
+public: // New methods
+ /**
+ * Writes data to from java buffer to native side
+ *
+ * @param aData data passed by Java side
+ * @param aLength size of passed data
+ * @param state of this class
+ */
+ virtual void WriteL(const TUint8* aData,
+ TInt aLength, TInt aState);
+ /**
+ * Read aLength bytes from Java source stream
+ *
+ * @param aLength size of read
+ */
+ void ReadL(TInt aLength);
+
+ /**
+ * Read all data from Java source stream, clears buffer
+ */
+ void ReadAllL();
+
+ /**
+ * Reset all data
+ */
+ virtual void ResetData();
+
+ /**
+ * Creates data buffer
+ *
+ * @param aBufferSize data buffer size
+ */
+ void CreateDataBufferL(TInt aBufferSize);
+
+
+protected: // New methods
+
+ /**
+ * Prepare whatever is necessary for reading
+ */
+ virtual void PrepareReadL();
+
+protected:
+ CMMASourceStreamEvent* iReadEvent;
+ MMMAEventPoster* iEventPoster;
+ MMMASourceStreamListener* iListener;
+
+protected:
+ /**
+ * Buffer where data from java side will be read, Owned
+ */
+ HBufC8* iData;
+
+ /**
+ * number of bytes coming from java stream, KMMAReadAllData is whole stream
+ */
+ TInt iReadLength;
+
+ /**
+ * current position
+ */
+ TInt iBufferPosition;
+};
+
+#endif // CMMASOURCESTREAM_H