sysstatemgmt/ssmpolicyplugins/ssmstatepolicybase/src/ssmstatepolicybase.cpp
changeset 0 4e1aa6a622a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysstatemgmt/ssmpolicyplugins/ssmstatepolicybase/src/ssmstatepolicybase.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,182 @@
+/*
+* Copyright (c) 2009 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 CSsmStatePolicyBase class.
+*
+*/
+
+#include <bautils.h>
+#include <ssm/ssmcommandlistresourcereader.h>
+#include <ssm/ssmstate.h>
+#include <ssm/ssmstatetransition.h>
+
+#include "ssmstatepolicybase.h"
+#include "ssmmapperutilitystatic.h"
+#include "trace.h"
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CSsmStatePolicyBase::CSsmStatePolicyBase
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CSsmStatePolicyBase::CSsmStatePolicyBase()
+    {
+    FUNC_LOG;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSsmStatePolicyBase::~CSsmStatePolicyBase
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CSsmStatePolicyBase::~CSsmStatePolicyBase()
+    {
+    FUNC_LOG;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSsmStatePolicyBase::Initialize
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CSsmStatePolicyBase::Initialize( TRequestStatus& aStatus )
+    {
+    FUNC_LOG;
+    ASSERT_TRACE( iCommandListResourceReader );
+
+	// initialise command list resource reader.
+	iCommandListResourceReader->Initialise( aStatus );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSsmStatePolicyBase::InitializeCancel
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CSsmStatePolicyBase::InitializeCancel()
+    {
+    FUNC_LOG;
+
+    iCommandListResourceReader->InitialiseCancel();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSsmStatePolicyBase::TransitionAllowed
+// ---------------------------------------------------------------------------
+//
+EXPORT_C MSsmStatePolicy::TResponse CSsmStatePolicyBase::TransitionAllowed(
+    const TSsmStateTransition& aRequest,
+    TSsmStateTransition const* aCurrent,
+    TSsmStateTransition const* aQueued,
+    const RMessagePtr2& aMessage )
+    {
+    FUNC_LOG;
+    INFO_2( "Requested state transition: %04x.%04x", aRequest.State().MainState(), aRequest.State().SubState() );
+
+    SsmMapperUtility::CheckCaps( aMessage );
+
+    if ( IsAllowedTargetState( aRequest ) )
+        {
+        if ( aCurrent )
+            {
+            INFO_2( "Current state transition: %04x.%04x", aCurrent->State().MainState(), aCurrent->State().SubState() );
+
+            TUint16 mainState( aRequest.State().MainState() );
+            if ( mainState == ESsmFail || mainState == ESsmShutdown )
+                {
+    		    INFO( "Failure / shutdown transition requested -> start immediately" );
+                return EReplaceCurrentClearQueue;
+                }
+
+            if ( aQueued ) // There propably can be a queued transition only if there is a current transition(?)
+                {
+                INFO_2( "Queued state transition: %04x.%04x", aQueued->State().MainState(), aQueued->State().SubState() );
+                }
+
+            INFO( "Queuing state transition" );
+            return ECurrentRemainReplaceQueued;
+            }
+
+		INFO( "No current state transition -> start immediately" );
+        return EDefinitelyAllowed;
+        }
+    else
+		{
+		INFO( "State is not reachable" );
+		return ENotAllowed;
+		}
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSsmStatePolicyBase::PrepareCommandList
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CSsmStatePolicyBase::PrepareCommandList(
+    TSsmState aState,
+#ifdef INFO_TRACE
+    TInt aReason,
+#else
+    TInt /*aReason*/,
+#endif
+    TRequestStatus& aStatus )
+    {
+    FUNC_LOG;
+    INFO_3( "State %04x.%04x, reason %04x", aState.MainState(), aState.SubState(), aReason );
+
+	TSsmState publishState(
+	    aState.MainState(), TargetSubState( aState.SubState() ) );
+
+	// Build the commandlist from resource.
+	// Substate id is used as a command list id.
+	iCommandListResourceReader->PrepareCommandList(
+	    publishState.SubState(), publishState, aStatus );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSsmStatePolicyBase::PrepareCommandListCancel
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CSsmStatePolicyBase::PrepareCommandListCancel()
+    {
+    FUNC_LOG;
+
+    iCommandListResourceReader->PrepareCommandListCancel();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSsmStatePolicyBase::CommandList
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CSsmCommandList* CSsmStatePolicyBase::CommandList()
+    {
+    FUNC_LOG;
+
+	return iCommandListResourceReader->GetCommandList();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSsmStatePolicyBase::Release
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CSsmStatePolicyBase::Release()
+    {
+    FUNC_LOG;
+
+    delete this;
+    }