path: root/patches/vclplug/fpicker-gnome-asynceventnotifier.diff

--- /dev/null	2003-01-30 15:54:37.000000000 +0530
+++ fpicker/source/unx/gnome/asynceventnotifier.hxx	2004-07-19 15:18:28.000000000 +0530
@@ -0,0 +1,142 @@
+/*************************************************************************
+ *
+ *  $RCSfile$
+ *
+ *  $Revision$
+ *
+ *  last change: $Author$ $Date$
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _ASYNCEVENTNOTIFIER_HXX_
+#define _ASYNCEVENTNOTIFIER_HXX_
+
+//------------------------------------------------------------------------
+// includes
+//------------------------------------------------------------------------
+
+#ifndef _OSL_MUTEX_HXX_
+#include <osl/mutex.hxx>
+#endif
+
+#ifndef _OSL_CONDITN_HXX_
+#include <osl/conditn.hxx>
+#endif
+
+#ifndef _CPPUHELPER_INTERFACECONTAINER_H_
+#include <cppuhelper/interfacecontainer.h>
+#endif
+
+#include <list>
+#include <utility>
+
+#ifndef _EVENTNOTIFICATION_HXX_
+#include "eventnotification.hxx"
+#endif
+#ifndef _THREAD_HXX_
+#include <osl/thread.hxx>
+#endif
+
+//---------------------------------------------
+//
+//---------------------------------------------
+
+class SalGtkAsyncEventNotifier : public ::osl::Thread
+{
+public:
+	SalGtkAsyncEventNotifier(cppu::OBroadcastHelper& rBroadcastHelper);
+	~SalGtkAsyncEventNotifier();
+
+	bool SAL_CALL startup(bool bCreateSuspended = true);
+	void SAL_CALL shutdown();
+
+	// this class is responsible for the memory management of
+	// the CEventNotification instance
+	void SAL_CALL notifyEvent(CEventNotification* EventNotification);
+private:
+	void SAL_CALL run( );
+
+	bool			m_bRun;
+	osl::Mutex		m_aMutex;    
+	::osl::Condition	m_aExitCondition;
+	::osl::Condition	m_aNotifyCondition;
+
+	size_t              SAL_CALL getEventListSize();
+//	void                SAL_CALL resetNotifyEvent();
+	CEventNotification* SAL_CALL getNextEventRecord();
+	void                SAL_CALL removeNextEventRecord();
+
+#if 0
+
+	static unsigned int WINAPI ThreadProc(LPVOID pParam);
+#endif
+private:    
+    std::list<CEventNotification*>  m_EventList;
+#if 0
+    HANDLE							m_hThread;
+	unsigned						m_ThreadId;    
+#endif
+    ::cppu::OBroadcastHelper&		m_rBroadcastHelper;		
+#if 0
+    HANDLE                          m_hEvents[2];
+    HANDLE&                         m_NotifyEvent;
+    HANDLE&                         m_ResumeNotifying;	
+#endif
+// prevent copy and assignment
+private:
+    SalGtkAsyncEventNotifier( const SalGtkAsyncEventNotifier& );
+    SalGtkAsyncEventNotifier& operator=( const SalGtkAsyncEventNotifier& );
+};
+
+#endif
--- /dev/null	2003-01-30 15:54:37.000000000 +0530
+++ fpicker/source/unx/gnome/asynceventnotifier.cxx	2004-07-19 15:18:28.000000000 +0530
@@ -0,0 +1,276 @@
+/*************************************************************************
+ *
+ *  $RCSfile$
+ *
+ *  $Revision$
+ *
+ *  last change: $Author$ $Date$
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+//------------------------------------------------------------------------
+// includes
+//------------------------------------------------------------------------
+
+#ifndef _OSL_DIAGNOSE_H_
+#include <osl/diagnose.h>
+#endif
+
+#ifndef _ASYNCEVENTNOTIFIER_HXX_
+#include "asynceventnotifier.hxx"
+#endif
+
+#ifndef _COM_SUN_STAR_UNO_RUNTIMEEXCEPTION_HPP_
+#include <com/sun/star/uno/RuntimeException.hpp>
+#endif
+
+#ifndef _COM_SUN_STAR_UI_DIALOGS_XFILEPICKERLISTENER_HPP_
+#include <com/sun/star/ui/dialogs/XFilePickerListener.hpp>
+#endif
+
+#include <memory>
+
+//------------------------------------------------
+//
+//------------------------------------------------
+
+using namespace com::sun::star;
+using ::com::sun::star::ui::dialogs::XFilePickerListener;
+
+//------------------------------------------------
+//
+//------------------------------------------------
+
+SalGtkAsyncEventNotifier::SalGtkAsyncEventNotifier(cppu::OBroadcastHelper& rBroadcastHelper) :    
+	m_bRun(false)
+	, m_rBroadcastHelper(rBroadcastHelper)
+#if 0
+	, m_NotifyEvent(m_hEvents[0])
+	, m_ResumeNotifying(m_hEvents[1])
+#endif
+{    
+#if 0
+    // m_NotifyEvent
+    m_hEvents[0] = CreateEvent(0,		/* no security */
+				               true,	/* manual reset */
+				               false,	/* initial state not signaled */
+				               0);	    /* automatic name */ 
+
+    // m_ResumeNotifying				               
+    m_hEvents[1] = CreateEvent(0,		/* no security */
+				               true,	/* manual reset */
+				               false,	/* initial state not signaled */
+				               0);	    /* automatic name */    				        
+#endif
+}
+
+//------------------------------------------------
+//
+//------------------------------------------------
+
+SalGtkAsyncEventNotifier::~SalGtkAsyncEventNotifier()
+{
+	OSL_ENSURE(!isRunning(),"Thread not stopped, destroying this instance leads to desaster");
+}
+
+//------------------------------------------------
+//
+//------------------------------------------------
+
+bool SAL_CALL SalGtkAsyncEventNotifier::startup(bool bCreateSuspended)
+{
+	osl::MutexGuard aGuard(m_aMutex);
+
+	// m_bRun may already be false because of a
+	// call to stop but the thread did not yet
+	// terminate so m_hEventNotifierThread is
+	// yet a valid thread handle that should 
+	// not be overwritten
+	if (!m_bRun)
+	{
+		if (bCreateSuspended)
+	        	m_bRun = createSuspended();
+		else
+			m_bRun = create();
+	}
+
+	OSL_POSTCOND(m_bRun, "Could not start event notifier!");
+
+	return m_bRun;
+}
+
+
+//------------------------------------------------
+//
+//------------------------------------------------
+void SAL_CALL SalGtkAsyncEventNotifier::shutdown()
+{
+	osl::ResettableMutexGuard aGuard(m_aMutex);
+	
+	OSL_PRECOND(m_bRun,"Event notifier does not run!");
+
+	m_bRun = false;
+	m_aExitCondition.reset();
+
+	m_aNotifyCondition.set();
+	
+	aGuard.clear();
+	m_aExitCondition.wait();
+
+	terminate();
+	join();
+}
+
+//------------------------------------------------
+//
+//------------------------------------------------
+
+void SAL_CALL SalGtkAsyncEventNotifier::notifyEvent(CEventNotification* EventNotification)
+{
+	osl::MutexGuard aGuard(m_aMutex);
+
+	OSL_ENSURE(m_bRun,"Event notifier is not running!");
+
+	if (m_bRun)
+	{
+		m_EventList.push_back(EventNotification);
+		m_aNotifyCondition.set();
+	}
+}
+
+//------------------------------------------------
+//
+//------------------------------------------------
+
+size_t SAL_CALL SalGtkAsyncEventNotifier::getEventListSize()
+{
+	osl::MutexGuard aGuard(m_aMutex);
+	return m_EventList.size();
+}
+
+#if 0
+
+//------------------------------------------------
+//
+//------------------------------------------------
+
+void SAL_CALL SalGtkAsyncEventNotifier::resetNotifyEvent()
+{
+	osl::MutexGuard aGuard(m_aMutex);
+	if (0 == m_EventList.size()) 		
+		ResetEvent(m_NotifyEvent); 
+}
+
+#endif
+//------------------------------------------------
+//
+//------------------------------------------------
+
+CEventNotification* SAL_CALL SalGtkAsyncEventNotifier::getNextEventRecord()
+{
+	osl::MutexGuard aGuard(m_aMutex);
+	return m_EventList.front();
+}
+//------------------------------------------------
+//
+//------------------------------------------------
+
+void SAL_CALL SalGtkAsyncEventNotifier::removeNextEventRecord()
+{
+	osl::MutexGuard aGuard(m_aMutex);    
+	m_EventList.pop_front();	
+}
+
+//------------------------------------------------
+//
+//------------------------------------------------
+
+void SAL_CALL SalGtkAsyncEventNotifier::run() 
+{
+	while (m_bRun)
+	{       
+		m_aNotifyCondition.wait();
+
+		while (getEventListSize() > 0)
+		{
+			std::auto_ptr<CEventNotification> EventNotification(getNextEventRecord());
+			removeNextEventRecord();
+
+			::cppu::OInterfaceContainerHelper* pICHelper = 
+				m_rBroadcastHelper.getContainer(getCppuType(
+					(uno::Reference<XFilePickerListener>*)0));
+
+			if (pICHelper)
+			{
+				::cppu::OInterfaceIteratorHelper iter(*pICHelper);
+
+				while(iter.hasMoreElements())
+				{
+					try
+					{
+						EventNotification->notifyEventListener(iter.next());
+					}
+					catch(uno::RuntimeException&)
+					{
+					    OSL_ENSURE(sal_False,
+						"RuntimeException during event dispatching");
+					}
+				}
+			}
+		} // while(getEventListSize() > 0)
+		m_aNotifyCondition.reset();
+	} // while(m_bRun)
+	m_aExitCondition.set();
+}
+