sapi_sysinfo/sysinfoservice/src/activestore.cpp
changeset 0 14df0fbfcc4e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sapi_sysinfo/sysinfoservice/src/activestore.cpp	Mon Mar 30 12:51:10 2009 +0300
@@ -0,0 +1,281 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  class implementation
+*
+*/
+
+#include "activerequests.h"
+#include "entitykeys.h"
+#include "sysnetworkrequest.h"
+#include "sysaccessoryrequest.h"
+#include "sysconnectionrequest.h"
+#include "sysuseractivity.h"
+#include "sysrequest.h"
+
+using namespace SysInfo;
+
+const TInt KGranularity(2);
+
+RPointerArray<CActiveRequest> ActiveStore::iHandlers(KGranularity);
+
+// --------------------------------------------------------------------
+// CActiveRequest::CActiveRequest()
+// C++ default constructor.
+// --------------------------------------------------------------------
+//
+CActiveRequest::CActiveRequest(TSysRequest::TRequestType aReqType, 
+                                TInt32 aTransID,
+                                ISystemObserver* aObsrvr)
+                                :CActive(EPriorityNormal),
+                                iTransactionID(aTransID),
+                                iRequestType(aReqType),
+                                iObserver(aObsrvr)
+								 
+    {
+    CActiveScheduler::Add(this);
+    }
+
+// --------------------------------------------------------------------
+// CActiveRequest::~CActiveRequest()
+// destructor
+// --------------------------------------------------------------------
+//
+CActiveRequest::~CActiveRequest()
+    {
+    }
+
+// --------------------------------------------------------------------
+// CActiveRequest::CreateActiveRequestL()
+// static factory method to create asynchronous requests.
+// --------------------------------------------------------------------
+//
+void CActiveRequest::CreateActiveRequestL(const TSysRequest& aSysRequest,
+                                            CActiveRequest*& aActiveObj)
+    {
+    const TPtrC Entity = aSysRequest.Entity();
+    const TPtrC Key =	aSysRequest.Key();
+
+    aActiveObj = NULL;
+
+    if ( !Entity.CompareF(KNetwork) )
+        CreateNetworkRequestL(aSysRequest,aActiveObj);
+
+    else if( !Entity.CompareF(KGeneral) )
+        CreateGeneralRequestL(aSysRequest,aActiveObj);
+
+    else if( !Entity.CompareF(KBattery) )
+        {
+        // Battery Entity Keys.
+        if( !Key.CompareF(KChargingStatus) )
+            aActiveObj = CPubSubNotifier::NewL(aSysRequest,
+                                            CPubSubNotifier::EChargingStatus);
+
+        else if( !Key.CompareF(KBatteryStrength) )
+            aActiveObj = CNetwork::NewL(aSysRequest,
+                                                CNetwork::EBatteryStrength);
+
+        else
+            User::Leave(KErrNotFound);
+        }
+
+    else if( !Entity.CompareF(KConnectivity) )
+        {
+        // Connectivity Entity Keys.
+        if( !Key.CompareF(KBlueTooth))
+            aActiveObj = CCenrepNotifier::NewL(aSysRequest,
+                                                CCenrepNotifier::EBlueTooth);
+
+        else if( !Key.CompareF(KInfraRed) )
+            aActiveObj = CPubSubNotifier::NewL(aSysRequest,
+                                                CPubSubNotifier::EInfraRed);
+
+        else if( (!Key.CompareF(SysInfo::KConnectionStatus)) 
+                        || (!Key.CompareF(SysInfo::KActiveConnections)))
+            aActiveObj = CConnection::NewL(aSysRequest);
+
+        else
+            User::Leave(KErrNotFound);
+        }
+    else if( !Entity.CompareF(KDisplay))
+        {
+        // Display keys.
+        if ( !Key.CompareF(KUserInactivity) )
+            aActiveObj = CUserActivity::NewL(aSysRequest);
+
+        else if( !Key.CompareF(KAutoLockStatus) )
+            aActiveObj = CCenrepNotifier::NewL(aSysRequest,
+                                                CCenrepNotifier::EKeyLock);
+
+        else
+            User::Leave(KErrNotFound);
+        }
+    else if( !Entity.CompareF(KMemory))
+        {
+        if ( !Key.CompareF(KCriticalMemory) )
+            aActiveObj = CCriticalMemNotifier::NewL(aSysRequest);
+
+        else if( !Key.CompareF(KMemoryCard) )
+            aActiveObj = CPubSubNotifier::NewL(aSysRequest,
+                                            CPubSubNotifier::EMemoryCard);
+
+        else
+            User::Leave(KErrNotFound);
+        }
+    //Ensure we don't return NULL handle.
+    if(!aActiveObj)
+        User::Leave(KErrNotFound);
+    }
+
+// --------------------------------------------------------------------
+// CActiveRequest::CreateActiveRequestL()
+// creates active objs related to Network entity.
+// --------------------------------------------------------------------
+//
+void CActiveRequest::CreateNetworkRequestL(const TSysRequest& aSysRequest,
+                                            CActiveRequest*& aActiveObj)
+    {
+    TPtrC Key = aSysRequest.Key();
+    // parse network entity keys.
+    if ( !Key.CompareF(SysInfo::KSignalStrength) )
+        aActiveObj = CNetwork::NewL(aSysRequest,CNetwork::ESignalStrength);
+
+    else if ( !Key.CompareF(KRegistrationStatus) )
+        aActiveObj = CPubSubNotifier::NewL(aSysRequest,
+                                    CPubSubNotifier::ERegistrationStatus);
+
+    else if ( !Key.CompareF(SysInfo::KNetworkMode) )
+        aActiveObj = CPubSubNotifier::NewL(aSysRequest,
+                                            CPubSubNotifier::ENetworkMode);
+
+    else if ( !Key.CompareF(KHomeNetwork) )
+        aActiveObj = CNetwork::NewL(aSysRequest,CNetwork::EHomeNetworkInfo);
+
+    else if ( !Key.CompareF(KCurrentNetwork) )
+        aActiveObj = CNetwork::NewL(aSysRequest,CNetwork::ECurrentNetworkInfo);
+
+    else if ( !Key.CompareF(KLocationArea) )
+        aActiveObj = CNetwork::NewL(aSysRequest,CNetwork::ELocationAreaCode);
+
+    else if ( !Key.CompareF(KCellID) )
+        aActiveObj = CNetwork::NewL(aSysRequest,CNetwork::ECellId);
+
+    else
+        User::Leave(KErrNotFound);
+    }
+
+// --------------------------------------------------------------------
+// CActiveRequest::CreateGeneralRequestL()
+// creates active objs related general entity.
+// --------------------------------------------------------------------
+//
+void CActiveRequest::CreateGeneralRequestL(const TSysRequest& aSysRequest,
+                                                CActiveRequest*& aActiveObj)
+    {
+    TPtrC Key = aSysRequest.Key();
+    //parse general entity keys.
+    if ( !Key.CompareF(KAccessoryStatus) )
+        aActiveObj = CAccessory::NewL(aSysRequest);
+
+    else if( !Key.CompareF(KInputLanguage) )
+        aActiveObj = CCenrepNotifier::NewL(aSysRequest,
+                                            CCenrepNotifier::EInputLanguage);
+
+    else if( !Key.CompareF(KPridictiveText) )
+        aActiveObj = CCenrepNotifier::NewL(aSysRequest,
+                                            CCenrepNotifier::EPridictiveText);
+
+    else if( !Key.CompareF(KVibraActive) )
+        aActiveObj = CCenrepNotifier::NewL(aSysRequest,CCenrepNotifier::EVibra);
+
+    else if( !Key.CompareF(KFlipStatus) )
+        aActiveObj = CPubSubNotifier::NewL(aSysRequest,
+                                                CPubSubNotifier::EFlipStatus);
+
+    else if( !Key.CompareF(KGripStatus) )
+        aActiveObj = CPubSubNotifier::NewL(aSysRequest,
+                                                CPubSubNotifier::EGripStatus);
+
+    else
+        User::Leave(KErrNotFound);
+    }
+
+// --------------------------------------------------------------------
+// ActiveStore::AddRequestL()
+// appends an active request to the active obj store.
+// --------------------------------------------------------------------
+//
+void ActiveStore::AddRequestL(const CActiveRequest* aActiveReq )
+    {
+    TInt ActiveReqCnt = iHandlers.Count();
+    // add active obj to store only if this transaction id 
+    // doesn't exists before.
+	for(TInt i=0; i<ActiveReqCnt; i++)
+        {
+        if(iHandlers[i]->TransactionID() == aActiveReq->TransactionID())
+            User::Leave(KErrAlreadyExists);
+        }
+    //append the request.
+    iHandlers.AppendL(aActiveReq);
+    }
+
+// --------------------------------------------------------------------
+// ActiveStore::RemoveRequest()
+// removes an active request from active obj store or performs cancel
+// operation on the active object.
+// --------------------------------------------------------------------
+//
+TInt ActiveStore::RemoveRequest(TInt32 aTransID)
+    {
+    TInt ActiveReqCnt = iHandlers.Count();
+    for(TInt i=0; i<ActiveReqCnt; i++)
+        {
+        // Identify object associated with this transaction ID.
+        if(iHandlers[i]->TransactionID() == aTransID)
+            {
+            CActiveRequest* ActiveObject = iHandlers[i];
+            //delete active request. 
+            delete ActiveObject;
+            //Removes this request from RPointerArray.
+            iHandlers.Remove(i);
+            return KErrNone;
+            }
+        }
+    //specified transaction id doesn't exists in store.
+    return KErrNotFound;
+    }
+
+// --------------------------------------------------------------------
+// ActiveStore::ReleaseResourcesL()
+// removes all active requests in active obj store and release all
+// memory associated with this static class.
+// --------------------------------------------------------------------
+//
+void ActiveStore::ReleaseResources()
+    {
+    TInt count = iHandlers.Count();
+
+    if(count>0)
+        {
+        for(TInt i=0; i<count; i++)
+            {
+            CActiveRequest* activeObject = iHandlers[i];
+            //delete active request.
+            delete activeObject;
+            }
+        //de-allocate all the pointer memory allocated.
+        iHandlers.Reset();
+        }
+    //Close the pointer array to free all the memory allocated to it.
+    iHandlers.Close();
+    }