customization/ScreenSaverAdapter/ScreenSaverServer/src/ScreenSaverClient.cpp
changeset 0 3ce708148e4d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/customization/ScreenSaverAdapter/ScreenSaverServer/src/ScreenSaverClient.cpp	Thu Dec 17 08:40:12 2009 +0200
@@ -0,0 +1,254 @@
+/*
+* 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 customization components
+*
+*/
+ 
+
+
+#include "ScreenSaverClientServer.h"
+#include "ScreenSaverClient.h"
+#include "debug.h"
+#include <f32file.h>
+
+
+TInt StartServer()
+	{
+	RDEBUG("RScreenSaverClient: StartServer()...");	
+	const TUidType serverUid(KNullUid,KNullUid,KDMSSServerUid);
+
+	RProcess server;
+	TInt r=server.Create(KDMSSServerImg,KNullDesC);
+
+	if (r!=KErrNone)
+		{
+		RDEBUG_2("RScreenSaverClient: server start failed %d",r);
+		return r;
+		}
+	TRequestStatus stat;
+	server.Rendezvous(stat);
+	if (stat!=KRequestPending)
+		server.Kill(0);		// abort startup
+	else
+		server.Resume();	// logon OK - start the server
+	RDEBUG("RScreenSaverClient: Started");
+	User::WaitForRequest(stat);		// wait for start or death
+	r=(server.ExitType()==EExitPanic) ? KErrGeneral : stat.Int();
+	server.Close();
+	return r;
+	}
+
+EXPORT_C TInt RScreenSaverClient::Connect()
+	{
+	RDEBUG("RScreenSaverClient::Connect - start");
+	TInt retry=2;
+	for (;;)
+		{
+		TInt r=CreateSession(KDMSSServerName,TVersion(0,0,0),50);
+		if (r!=KErrNotFound && r!=KErrServerTerminated)
+			return r;
+		if (--retry==0)
+			return r;
+		r=StartServer();
+		if (r!=KErrNone && r!=KErrAlreadyExists)
+			return r;
+		}
+	}
+
+
+EXPORT_C void RScreenSaverClient::Close()
+	{
+	RSessionBase::Close();  //basecall
+	}
+	
+	
+//EXPORT_C void RScreenSaverClient::GetScreenSaverListL(RArray< TUid >& aUids,CDesCArray& aIds)
+EXPORT_C void RScreenSaverClient::GetScreenSaverListL(CDesCArray& aIds)
+	{
+	RDEBUG("	-> RScreenSaverClient: GetScreenSaverList ... STARTED!");
+	TInt ssCount(0);
+	TPckgBuf<TInt>count(ssCount);
+	
+	User::LeaveIfError(SendReceive(EScreenSaversCount,TIpcArgs(&count)));
+	ssCount = count();
+	RDEBUG_2(" RScreenSaverClient: GetScreenSaverList **SSCount : %d",ssCount);
+	
+	HBufC8* buffer = HBufC8::NewLC((sizeof(TUid)*ssCount)+sizeof(TInt8));
+    TPtr8 bufPtr = buffer->Des();
+    TInt err =  SendReceive(EGetAvailableScreenSavers,TIpcArgs(&bufPtr));
+	
+	if ( err == KErrNone || err == KErrOverflow )
+		{
+		RDesReadStream stream( bufPtr );
+		CleanupClosePushL( stream );
+		TInt count = stream.ReadInt8L();
+
+		for ( TInt i = 0; i < count; ++i )
+        	{
+	        TUid uid = TUid::Uid(stream.ReadInt32L());
+	        //aUids.AppendL( uid );
+	        aIds.AppendL( uid.Name() );
+        	}
+        
+		//aUids.SortSigned( );
+		aIds.Sort( );
+		
+    	CleanupStack::PopAndDestroy(&stream);
+		CleanupStack::PopAndDestroy(buffer);
+		}
+	RDEBUG("	-> RScreenSaverClient: GetScreenSaverList ... END!");
+	}
+	
+	
+EXPORT_C void RScreenSaverClient::GetScreenSaverListInfoL(RSSListInfoPtrArray &aScreenSaverList)
+	{
+	RDEBUG("	-> RScreenSaverClient: GetScreenSaverListInfo ... STARTED!");
+	
+	TInt ssCount(0);
+	TPckgBuf<TInt>count(ssCount);
+	User::LeaveIfError(SendReceive(EScreenSaversCount,TIpcArgs(&count)));
+	
+	ssCount = count();
+	RDEBUG_2(" RScreenSaverClient: GetScreenSaverListInfo **SSCount : %d",ssCount);
+
+	HBufC8* buffer = HBufC8::NewLC(KSSInfoBufferLength * ssCount);
+    TPtr8 bufPtr = buffer->Des();
+
+	TInt err =  SendReceive(EGetscreensaverInfo,TIpcArgs(&bufPtr));
+	TInt lenght = bufPtr.Length();
+	if ( err == KErrNone || err == KErrOverflow )
+		{
+		RDesReadStream stream( bufPtr );
+		CleanupClosePushL( stream );
+		TInt count = stream.ReadInt8L();
+		
+			
+		for ( TInt i = 0; i < count; ++i )
+    		{
+	        TUid uid = TUid::Uid(stream.ReadInt32L());
+	        TInt version = stream.ReadInt32L();
+	        
+	        TInt length = stream.ReadUint32L();
+	        HBufC* name = HBufC::NewLC( stream,length  );
+	        
+	        length = stream.ReadUint32L();
+	        HBufC8* opaqueData = HBufC8::NewLC( stream, length );
+	        
+	        
+	        CScreenSaverListInfo *ScreensaverInfo = CScreenSaverListInfo::NewL(uid,
+	        																   version,
+	        																   name,
+	 	       																   opaqueData);
+	        //TInt error = aScreenSaverList.Append(ScreensaverInfo);
+	        User::LeaveIfError(aScreenSaverList.Append(ScreensaverInfo));
+	        
+	        CleanupStack::PopAndDestroy(opaqueData); 
+	        CleanupStack::PopAndDestroy(name); 
+    		}
+  	   	CleanupStack::PopAndDestroy(&stream);
+		CleanupStack::PopAndDestroy(buffer);
+		}
+	RDEBUG("	-> RScreenSaverClient: GetScreenSaverListInfo ... Ended!");
+	}
+
+
+
+CScreenSaverListInfo* CScreenSaverListInfo::NewL(TUid aUid, 
+												   TInt aVersion, 
+												   TDesC*  aName, 
+												   TDesC8* aOpaqueData)
+	{
+	CScreenSaverListInfo* self = CScreenSaverListInfo::NewLC(aUid, 
+															aVersion, 
+															aName, 
+															aOpaqueData);
+    CleanupStack::Pop(self);
+    return self;
+	}
+												   
+
+CScreenSaverListInfo* CScreenSaverListInfo::NewLC(TUid aUid, 
+												   TInt aVersion, 
+												   TDesC*  aName, 
+												   TDesC8* aOpaqueData)
+	{
+	RDEBUG("CScreenSaverListInfo::NewLC - start");
+	
+	CScreenSaverListInfo* self = new(ELeave)CScreenSaverListInfo(aUid,aVersion);
+	CleanupStack::PushL(self);
+	self->ConstructL(aName,aOpaqueData);
+	RDEBUG("CScreenSaverListInfo::NewLC - end");
+	return self;
+	}
+
+
+CScreenSaverListInfo::CScreenSaverListInfo(TUid aUid, 
+											TInt aVersion)
+											
+		
+	:CBase(),
+	iUid(aUid),
+	iVersion(aVersion)								
+	{
+	//Do nothing here
+	}
+
+CScreenSaverListInfo::~CScreenSaverListInfo()
+	{
+	delete iName;
+	iName = NULL;
+	delete iOpaqueData;
+	iOpaqueData = NULL;
+	}
+
+void CScreenSaverListInfo::ConstructL(TDesC*  aName, 
+									  TDesC8* aOpaqueData)
+	{
+	iName = aName->AllocL();
+	iOpaqueData = aOpaqueData->AllocL();
+	}
+
+
+EXPORT_C const TDesC& CScreenSaverListInfo::DisplayName() const
+	{
+	if(iName == NULL)
+		return KNullDesC();
+	else
+		return *iName;
+	}
+
+
+
+EXPORT_C const TDesC8& CScreenSaverListInfo::OpaqueData() const
+	{
+	if(iOpaqueData == NULL)
+		return KNullDesC8();
+	else
+		return *iOpaqueData;
+	}
+
+
+EXPORT_C TUid CScreenSaverListInfo::ImplementationUid() const
+	{
+	return iUid;
+	}
+
+
+EXPORT_C TInt CScreenSaverListInfo::Version() const
+	{
+	return iVersion;
+	}
+	
+//End of file
+