/*
* Copyright (c) 2008 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: locationfunctionserver
*
*/
#ifndef LOCATIONFUNCTIONSERVER_H
#define LOCATIONFUNCTIONSERVER_H
#include "monitor.h"
#include "functionserver.h"
#include "legacyeventserverwrapper.h"
namespace java
{
namespace location
{
/**
* If we have to execute some operation that essentially
* needs ActiveScheduler, then we use this LocationFunctionServer.
*
* We must however be careful not to make callbacks through FunctionServer.
* Reason: If in callback, app calls another method that needs FunctionServer
* to execute, we enter a deadlock.
*/
class LocationFunctionServer: public java::util::FunctionServer,
public LegacyEventServerWrapper
{
public:
//Making these inline as it has nothing more to implement.
//If implementation grows, then we write separate cpp
LocationFunctionServer(JNIEnv& env, jobject peer) :
java::util::FunctionServer("JavaLocationFunctionServer"), mVmAttached(
false)
{
JELOG2(EJavaLocation);
//Creates a new thread and starts active scheduler
//This results in call to doServerSideInit()
createServerToNewThread();
attachToVm(env, peer);
mVmAttached = true;
iServer = reinterpret_cast<java::util::FunctionServer*>(this);
}
LocationFunctionServer() :
java::util::FunctionServer("JavaLocationFunctionServer"), mVmAttached(
false)
{
JELOG2(EJavaLocation);
//Creates a new thread and starts active scheduler
//This results in call to doServerSideInit()
createServerToNewThread();
iServer = reinterpret_cast<java::util::FunctionServer*>(this);
}
/**
* If we are making any callback in FunctionServer thread context, then we
* must query for the Thread specific JNI Environment variable.
* This function that gives JNI environment variable specific to
* Location Function Server thread.
*/
JNIEnv* getValidJniEnv()
{
JELOG2(EJavaLocation);
return mJniEnv;
}
jobject getPeer()
{
return mJavaPeerObject;
}
~LocationFunctionServer()
{
JELOG2(EJavaLocation);
if (mVmAttached)
{
detachFromVm();
}
stopServer();
}
java::util::FunctionServer* getFunctionServer() const
{
JELOG2(EJavaLocation);
return iServer;
}
private:
void doServerSideInit()
{
JELOG2(EJavaLocation);
FunctionServer::doServerSideInit();
}
void vmDetached()
{
JELOG2(EJavaLocation);
FunctionServer::vmDetached();
}
private:
bool mVmAttached;
java::util::FunctionServer* iServer;
};
} //end namespace location
} //end namespace java
#endif // LOCATIONFUNCTIONSERVER_H