customization/ScreenSaverAdapter/ScreenSaverServer/src/ScreenSaverServer.cpp
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     1 /*
       
     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: Implementation of customization components
       
    15 *
       
    16 */
       
    17  
       
    18 
       
    19 
       
    20 #include "ScreenSaverServer.h"
       
    21 #include "ScreenSaverClientServer.h"
       
    22 #include "ScreenSaverSession.h"
       
    23 
       
    24 #include "debug.h"
       
    25 
       
    26 
       
    27 
       
    28 
       
    29 
       
    30 // ----------------------------------------------------------------------------------------
       
    31 // Server startup code
       
    32 // ----------------------------------------------------------------------------------------
       
    33 static void RunServerL()
       
    34 	{
       
    35 	// naming the server thread after the server helps to debug panics
       
    36 	__UHEAP_MARK;
       
    37 
       
    38 	User::LeaveIfError(User::RenameThread(KDMSSServerName)); 
       
    39 
       
    40 	// create and install the active scheduler
       
    41 
       
    42 	CActiveScheduler* s=new(ELeave) CActiveScheduler;
       
    43 	CleanupStack::PushL(s);
       
    44 	CActiveScheduler::Install(s);
       
    45 	__UHEAP_MARK;
       
    46 
       
    47 	// create the server (leave it on the cleanup stack)
       
    48 	CServer2 *t = CScreenSaverServer::NewLC();
       
    49 	// Initialisation complete, now signal the client
       
    50 
       
    51 	RProcess::Rendezvous(KErrNone);
       
    52 
       
    53 	// Ready to run
       
    54 	RDEBUG("CScreenSaverServer is running");
       
    55 	CActiveScheduler::Start();
       
    56 
       
    57 
       
    58 	// Cleanup the server and scheduler
       
    59 	CleanupStack::PopAndDestroy(t);
       
    60 	__UHEAP_MARKEND;
       
    61 
       
    62 	CleanupStack::PopAndDestroy(s);
       
    63 	__UHEAP_MARKEND;
       
    64 	}
       
    65 
       
    66 // Server process entry-point
       
    67 TInt E32Main()
       
    68 	{
       
    69 	__UHEAP_MARK;
       
    70 	RDEBUG("CScreenSaverServer: E32Main");
       
    71 	CTrapCleanup* cleanup=CTrapCleanup::New();
       
    72 	TInt r=KErrNoMemory;
       
    73 	if (cleanup)
       
    74 		{
       
    75 		TRAP(r,RunServerL());
       
    76 		RDEBUG_2("CScreenSaverServer closed with code: %d", r);
       
    77 		delete cleanup;
       
    78 		}
       
    79 	__UHEAP_MARKEND;
       
    80 	return r;
       
    81 	}
       
    82 
       
    83 
       
    84 
       
    85 
       
    86 // -----------------------------------------------------------------------------
       
    87 // CShutDown::CShutdown()
       
    88 // -----------------------------------------------------------------------------
       
    89 
       
    90 inline CShutdown::CShutdown()
       
    91 	:CTimer(-1)
       
    92 	{
       
    93 	CActiveScheduler::Add(this);
       
    94 	}
       
    95 	
       
    96 	
       
    97 // -----------------------------------------------------------------------------
       
    98 // CShutDown::ConstructL()
       
    99 // -----------------------------------------------------------------------------
       
   100 
       
   101 inline void CShutdown::ConstructL()
       
   102 	{
       
   103 	CTimer::ConstructL();
       
   104 	}
       
   105 
       
   106 // -----------------------------------------------------------------------------
       
   107 // CShutDown::Start()
       
   108 // -----------------------------------------------------------------------------
       
   109 
       
   110 inline void CShutdown::Start()
       
   111 	{
       
   112 	
       
   113 	RDEBUG( "creenSaverServer: starting shutdown timeout" );
       
   114 	
       
   115 	After(KScreenSaverServerShutdownDelay);
       
   116 	//SetActive();
       
   117 	}
       
   118 
       
   119 // -----------------------------------------------------------------------------
       
   120 // CShutDown::RunL()
       
   121 // -----------------------------------------------------------------------------
       
   122 
       
   123 void CShutdown::RunL()
       
   124 	{
       
   125 	RDEBUG( "creenSaverServer timeout ... closing" );
       
   126 	CActiveScheduler::Stop();
       
   127 	}
       
   128 
       
   129 
       
   130 
       
   131 
       
   132 CServer2* CScreenSaverServer::NewLC()
       
   133 	{
       
   134 	RDEBUG("CScreenSaverServer::NewLC - start");
       
   135 	
       
   136 	CScreenSaverServer* self=new(ELeave) CScreenSaverServer;
       
   137 	CleanupStack::PushL(self);
       
   138 	self->ConstructL();
       
   139 	RDEBUG("CScreenSaverServer::NewLC - end");
       
   140 	return self;
       
   141 	}
       
   142 
       
   143 
       
   144 
       
   145 void CScreenSaverServer::ConstructL()
       
   146 	{
       
   147 	RDEBUG("CScreenSaverServer::ConstructL start");
       
   148 	
       
   149 	StartL(KDMSSServerName);
       
   150 	iShutdown.ConstructL();
       
   151 	iShutdown.Start();	
       
   152 	
       
   153 	RDEBUG("CScreenSaverServer::ConstructL end");
       
   154 	}
       
   155 
       
   156 
       
   157 CScreenSaverServer::CScreenSaverServer() :CServer2(0)
       
   158 	{
       
   159 	RDEBUG("CScreenSaverServer::CScreenSaverServer()");
       
   160 	}
       
   161 	// -----------------------------------------------------------------------------
       
   162 // CApplicationManagementServer::AddSession()
       
   163 // -----------------------------------------------------------------------------
       
   164 
       
   165 void CScreenSaverServer::AddSession()
       
   166 	{
       
   167 	// A new session is being created
       
   168 	RDEBUG( "CScreenSaverServer::AddSession" );
       
   169 	++iSessionCount;
       
   170 	
       
   171 	// Cancel the shutdown timer if it was running
       
   172 	iShutdown.Cancel();
       
   173 	}
       
   174 
       
   175 
       
   176 // -----------------------------------------------------------------------------
       
   177 // CApplicationManagementServer::DropSession()
       
   178 // -----------------------------------------------------------------------------
       
   179 
       
   180 void CScreenSaverServer::DropSession()
       
   181 	{
       
   182 	// A session is being destroyed
       
   183 	RDEBUG( "CScreenSaverServer::DropSession" );
       
   184 
       
   185 	// Start the shutdown timer if it is the last session
       
   186 	if ( --iSessionCount == 0 )
       
   187 		{
       
   188 			iShutdown.Start();
       
   189 		}
       
   190 	}
       
   191 
       
   192 
       
   193 
       
   194 
       
   195 CScreenSaverServer::~CScreenSaverServer()
       
   196 	{
       
   197 	RDEBUG("CScreenSaverServer::CScreenSaverServer()");
       
   198 	}
       
   199 
       
   200 
       
   201 
       
   202 CSession2* CScreenSaverServer::NewSessionL(const TVersion&,const RMessage2&) const
       
   203 	{
       
   204 	RDEBUG("CScreenSaverServer::NewSessionL");
       
   205 	return new (ELeave) CScreenSaverSession();
       
   206 	}
       
   207 
       
   208 
       
   209 void CScreenSaverServer::GetAvailableScreenSaversL(RImplInfoPtrArray& aScreenSaverList)
       
   210 	{
       
   211 	RDEBUG("CScreenSaverServer::GetAvailableScreenSavers()");
       
   212 	CScreensaverPluginInterfaceDefinition::ListImplementationsL( aScreenSaverList );
       
   213 	REComSession::FinalClose();
       
   214 	}