cbs/CbsServer/ServerSrc/CCbsSettings.cpp
changeset 0 ff3b6d0fd310
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cbs/CbsServer/ServerSrc/CCbsSettings.cpp	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,426 @@
+/*
+* Copyright (c) 2003 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:  This module contains the implementation of CCbsSettings class 
+*                member functions. 
+*    
+*                The server-side CbsClient subsession for modifying settings.
+*
+*/
+
+
+// INCLUDE FILES
+
+#include "CbsCommon.h"
+#include "CbsServerPanic.h"
+#include "CbsServerConstants.h"
+#include "CCbsSettings.h"
+#include "CCbsDbImpSettings.H"
+#include "CCbsRecEtel.h"
+#include "CCbsServer.h"
+#include "CbsLogger.h"
+
+// ================= MEMBER FUNCTIONS =======================
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::CCbsSettings
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CCbsSettings::CCbsSettings( 
+    CCbsSession& aSession, 
+    CCbsDbImpSettings& aSettings, 
+    CCbsRecEtel& aReceiver )
+    : CCbsObject( aSession ), 
+    iSettings( aSettings ), 
+    iReceiver( aReceiver )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::ConstructL()
+    {
+    // Add itself as an observer.
+    iSettings.AddObserverL( this );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CCbsSettings* CCbsSettings::NewL( 
+    CCbsSession& aSession, 
+    CCbsDbImpSettings& aSettings, 
+    CCbsRecEtel& aReceiver )
+    {
+    CCbsSettings* self = 
+        new ( ELeave ) CCbsSettings( aSession, aSettings, aReceiver );
+
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop();    
+    return self;
+    }
+
+// Destructor
+CCbsSettings::~CCbsSettings()
+    {
+    CBSLOGSTRING("CBSSERVER: >>> CCbsSettings::~CCbsSettings()"); 
+    iSettings.RemoveObserver( this );
+    CBSLOGSTRING("CBSSERVER: <<< CCbsSettings::~CCbsSettings()"); 
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::HandleRequestsL
+// Handles the requests for this subsession.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TBool CCbsSettings::HandleRequestsL( 
+    const RMessage2& aMessage )
+    {    
+    CBSLOGSTRING("CBSSERVER: >>> CCbsSettings::HandleRequestsL()");
+    
+    TBool requestHandled( ETrue );
+       
+    // Check needed capabilities    
+    TBool hasCapWrite( EFalse );
+    hasCapWrite = aMessage.HasCapability( ECapabilityWriteDeviceData );
+    
+    CBSLOGSTRING2("CBSSERVER: CCbsSettings::HandleRequestsL(), caps checked: %d", hasCapWrite );
+    
+    // Get the request
+    TInt function = aMessage.Function();
+    
+    // If caps are not ok, leave
+    if ( ( function == ECbsSetReceptionStatus || 
+        function == ECbsSetTopicDetectionStatus ||
+        function == ECbsSetLanguages ) &&
+        !hasCapWrite )
+        {
+        CBSLOGSTRING("CBSSERVER: CCbsSettings::HandleRequestsL(): Caps NOT OK, leaving with KErrPermissionDenied...");
+        User::Leave( KErrPermissionDenied );
+        }               
+        
+    // Handle the requests for the subsession
+    switch ( function )
+        {
+        case ECbsCloseSettingsSubsession:           
+            CloseSettings();
+            aMessage.Complete( KErrNone );
+            break;
+
+        case ECbsGetReceptionStatus:
+            GetReceptionStatusL();
+            break;
+
+        case ECbsSetReceptionStatus:            
+            SetReceptionStatusL();
+            break;
+
+        case ECbsGetTopicDetectionStatus:
+            GetTopicDetectionStatusL();
+            break;
+
+        case ECbsSetTopicDetectionStatus:
+            SetTopicDetectionStatusL();
+            break;
+
+        case ECbsGetLanguages:
+            GetLanguagesL();
+            break;
+
+        case ECbsSetLanguages:
+            SetLanguagesL();
+            break;
+
+        case ECbsNotifySettingsChanged:
+            NotifySettingsChanged();
+            break;
+
+        case ECbsNotifySettingsChangedCancel:            
+            NotifySettingsChangedCancel();
+            break;
+        default:
+            requestHandled = EFalse;
+            break;
+        }
+
+    CBSLOGSTRING2("CBSSERVER: <<< CCbsSettings::HandleRequestsL(), returning requestHandled: %d", requestHandled );
+    return requestHandled;
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::TopicDetectionStatusChangedIndL
+// Called when the topic detection is changed.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::TopicDetectionStatusChangedIndL()
+    {
+    // Notify the client in case there is a pending notification request.
+    NotifyClientL( ECbsModifiedTopicDetectionStatus );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::ReceptionStatusChangedIndL
+// Called when reception status is changed.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::ReceptionStatusChangedIndL()
+    {
+    // Notify the client in case there is a pending notification request.
+    NotifyClientL( ECbsModifiedReceptionStatus );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::LanguagesChangedIndL
+// Called when reception status is changed.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::LanguagesChangedIndL()
+    {
+    // Notify the client in case there is a pending notification request.
+    NotifyClientL( ECbsModifiedLanguages );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::LimitedReceptionStatusChangedIndL
+// Called when reception status is changed.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::LimitedReceptionStatusChangedIndL()
+    {
+    // Notify the client in case there is a pending notification request.
+    NotifyClientL( ECbsModifiedLimitedReceptionStatus );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::CleanupTimeChangedIndL
+// Called when clean up time of read messages is changed.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::CleanupTimeChangedIndL()
+    {
+    // Notify the client in case there is a pending notification request.
+    NotifyClientL( ECbsModifiedCleanupTime );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::CloseSettings
+// Close the subsession.
+// Note that the method will delete itself, so the object is no
+// longer valid after the call.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::CloseSettings()
+    {
+    // Removes the object.
+    Session().Server().DeleteObjectByHandle( Message().Int3() );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::GetReceptionStatusL
+// Passes the reception status from the database to the client.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::GetReceptionStatusL()
+    {
+    // First, get the reception status from the database.
+    TBool receptionStatus( EFalse );
+    iSettings.GetReceptionStatus( receptionStatus );
+
+    // Write the reception status to the client side.
+    TPckgBuf< TBool > statusPckg( receptionStatus );
+    Message().WriteL( 0, statusPckg );
+
+    // Complete the request.
+    Message().Complete( KErrNone );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::SetReceptionStatusL
+// Change the reception status to the requested one.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::SetReceptionStatusL()
+    {
+    // Read the reception status from the client side and then
+    // change the current status to the requested one.
+    TPckgBuf< TBool > statusPckg( EFalse );
+    Message().ReadL( 0, statusPckg );
+
+    // Change the status.
+    TBool status( statusPckg() );
+    iSettings.SetReceptionStatusL( status );
+    iReceiver.ApplyStateChangesL();
+
+    // Complete the request.
+    Message().Complete( KErrNone );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::GetTopicDetectionStatusL
+// Return the current topic detection status to the client.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::GetTopicDetectionStatusL()
+    {
+    // First, get the topic detection status.
+    TBool topicDetectionStatus( EFalse );
+    iSettings.GetTopicDetectionStatus( topicDetectionStatus );
+
+    // Write the topic detection status to the client side.
+    TPckgBuf< TBool > statusPckg( topicDetectionStatus );
+    Message().WriteL( 0, statusPckg );
+
+    // Complete the request.
+    Message().Complete( KErrNone );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::SetTopicDetectionStatusL
+// Change the topic detection status to the requested one.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::SetTopicDetectionStatusL()
+    {
+    // Read the topic detection status from the client side and then
+    // change the current status to the requested one.
+    TPckgBuf< TBool > statusPckg( EFalse );
+    Message().ReadL( 0, statusPckg );
+ 
+    iSettings.SetTopicDetectionStatusL( statusPckg() );  
+    iReceiver.ApplyStateChangesL();
+
+    // Complete the request.
+    Message().Complete( KErrNone );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::GetLanguagesL
+// Return the preferred languages to the client.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::GetLanguagesL()
+    {
+    // Get the language settings.
+    TCbsDbLanguages language;
+    iSettings.GetLanguages( language );
+    
+    // Write the preferred languages to the client side.
+    TPckgBuf< TCbsSettingsLanguages > languagePckg( language );
+    Message().WriteL( 0, languagePckg );
+
+    // Complete the request.
+    Message().Complete( KErrNone );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::SetLanguagesL
+// Sets preferred languages.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::SetLanguagesL()
+    {
+    // Read the preferred languages from the client side and then
+    // change the current languages to the requested.
+    TPckgBuf< TCbsSettingsLanguages > languagePckg;
+    Message().ReadL( 0, languagePckg );
+
+    // Update db's language settings.
+    TCbsDbLanguages languages( languagePckg() );
+    iSettings.SetLanguagesL( languages );
+    
+    // Complete the request.
+    Message().Complete( KErrNone );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::NotifySettingsChanged
+// Make request to notify when settings are changed.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::NotifySettingsChanged()
+    {
+    // If there is already a pending request, cancel it.
+    if ( iIsMessage )
+        {
+        NotifySettingsChangedCancel();
+        }
+
+    // And then save the message.
+    iMessage = Message();
+    iIsMessage = ETrue;
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::NotifySettingsChangedCancel
+// Cancel the request to notify when settings are changed.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::NotifySettingsChangedCancel()
+    {               
+    if ( iIsMessage )
+        {
+        iMessage.Complete( KErrCancel );
+        }
+
+    iIsMessage = EFalse;
+    Message().Complete( KErrNone );
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsSettings::NotifyClientL
+// Notifies the client (if there is a pending request).
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsSettings::NotifyClientL( 
+    TCbsSettingsEvent aEvent )
+    {
+    // If there is a pending request, then process it.
+    if ( iIsMessage )
+        {
+        // Make a pointer descriptor
+        TPckg<TCbsSettingsEvent> eventPckg( aEvent );
+        iMessage.WriteL( 0, eventPckg );
+                
+        iMessage.Complete( KErrNone );
+        iIsMessage = EFalse;
+        }       
+    }
+
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+//  End of File  
+