--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javaextensions/location/common/inc/locationfunctionserver.h Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,127 @@
+/*
+* 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