localconnectivityservice/dun/atext/src/DunAtEcomListen.cpp
branchRCL_3
changeset 19 0aa8cc770c8a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/localconnectivityservice/dun/atext/src/DunAtEcomListen.cpp	Tue Aug 31 16:03:15 2010 +0300
@@ -0,0 +1,199 @@
+/*
+* Copyright (c) 2008 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:  ECom plugin install/uninstall/version listener
+*
+*/
+
+
+#include "DunAtEcomListen.h"
+#include "DunDebug.h"
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CDunAtEcomListen* CDunAtEcomListen::NewL(
+    RATExt* aAtCmdExt,
+    MDunAtEcomListen* aCallback )
+    {
+    CDunAtEcomListen* self = NewLC( aAtCmdExt, aCallback );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CDunAtEcomListen* CDunAtEcomListen::NewLC(
+    RATExt* aAtCmdExt,
+    MDunAtEcomListen* aCallback )
+    {
+    CDunAtEcomListen* self = new (ELeave) CDunAtEcomListen( aAtCmdExt,
+                                                            aCallback );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CDunAtEcomListen::~CDunAtEcomListen()
+    {
+    FTRACE(FPrint( _L("CDunAtEcomListen::~CDunAtEcomListen()") ));
+    ResetData();
+    FTRACE(FPrint( _L("CDunAtEcomListen::~CDunAtEcomListen() complete") ));
+    }
+
+// ---------------------------------------------------------------------------
+// Resets data to initial values
+// ---------------------------------------------------------------------------
+//
+void CDunAtEcomListen::ResetData()
+    {
+    FTRACE(FPrint( _L("CDunAtEcomListen::ResetData()") ));
+    // APIs affecting this:
+    // IssueRequest()
+    Stop();
+    // Internal
+    Initialize();
+    FTRACE(FPrint( _L("CDunAtEcomListen::ResetData() complete") ));
+    }
+
+// ---------------------------------------------------------------------------
+// Starts waiting for ECom plugin install/uninstall/version status changes
+// ---------------------------------------------------------------------------
+//
+TInt CDunAtEcomListen::IssueRequest()
+    {
+    FTRACE(FPrint( _L("CDunAtEcomListen::IssueRequest()") ));
+    if ( iEcomListenState != EDunStateIdle )
+        {
+        FTRACE(FPrint( _L("CDunAtEcomListen::IssueRequest() (not ready) complete") ));
+        return KErrNotReady;
+        }
+    iStatus = KRequestPending;
+    iAtCmdExt->ReceiveEcomPluginChange( iStatus, iPluginUidPckg, iEcomTypePckg );
+    SetActive();
+    iEcomListenState = EDunStateEcomListening;
+    FTRACE(FPrint( _L("CDunAtEcomListen::IssueRequest() complete") ));
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Stops waiting for Ecom plugin install/uninstall/version status changes
+// ---------------------------------------------------------------------------
+//
+TInt CDunAtEcomListen::Stop()
+    {
+    FTRACE(FPrint( _L("CDunAtEcomListen::Stop()") ));
+    if ( iEcomListenState != EDunStateEcomListening )
+        {
+        FTRACE(FPrint( _L("CDunAtEcomListen::Stop() (not ready) complete" )));
+        return KErrNotReady;
+        }
+    iAtCmdExt->CancelReceiveEcomPluginChange();
+    Cancel();
+    iEcomListenState = EDunStateIdle;
+    FTRACE(FPrint( _L("CDunAtEcomListen::Stop() complete") ));
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// CDunAtEcomListen::CDunAtEcomListen
+// ---------------------------------------------------------------------------
+//
+CDunAtEcomListen::CDunAtEcomListen( RATExt* aAtCmdExt,
+                                    MDunAtEcomListen* aCallback ) :
+    CActive( EPriorityHigh ),
+    iAtCmdExt( aAtCmdExt ),
+    iCallback( aCallback ),
+    iPluginUidPckg( iPluginUid ),
+    iEcomTypePckg( EEcomTypeUninstall )
+    {
+    Initialize();
+    }
+
+// ---------------------------------------------------------------------------
+// CDunAtEcomListen::ConstructL
+// ---------------------------------------------------------------------------
+//
+void CDunAtEcomListen::ConstructL()
+    {
+    FTRACE(FPrint( _L("CDunAtEcomListen::ConstructL()") ));
+    if ( !iAtCmdExt || !iCallback )
+        {
+        User::Leave( KErrGeneral );
+        }
+    CActiveScheduler::Add( this );
+    FTRACE(FPrint( _L("CDunAtEcomListen::ConstructL() complete") ));
+    }
+
+// ---------------------------------------------------------------------------
+// Initializes this class
+// ---------------------------------------------------------------------------
+//
+void CDunAtEcomListen::Initialize()
+    {
+    // Don't initialize iAtCmdExt here (it is set through NewL)
+    // Don't initialize iCallback here (it is set through NewL)
+    iEcomListenState = EDunStateIdle;
+    iPluginUid = TUid::Null();
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// Gets called when plugin installed, uninstalled or changed
+// ---------------------------------------------------------------------------
+//
+void CDunAtEcomListen::RunL()
+    {
+    FTRACE(FPrint( _L("CDunAtEcomListen::RunL()") ));
+    iEcomListenState = EDunStateIdle;
+    TInt retTemp = iStatus.Int();
+    if ( retTemp != KErrNone )
+        {
+        FTRACE(FPrint( _L("CDunAtEcomListen::RunL() (ERROR) complete (%d)"), retTemp ));
+        return;
+        }
+    IssueRequest();
+    // Now the operation is either unintall or install of plugin
+    // Notify parent and ATEXT
+    if ( iEcomTypePckg() == EEcomTypeUninstall )
+        {
+        iCallback->NotifyPluginUninstallation( iPluginUid );
+        }
+    else if ( iEcomTypePckg() == EEcomTypeInstall )
+        {
+        iCallback->NotifyPluginInstallation( iPluginUid );
+        }
+    else
+        {
+        FTRACE(FPrint( _L("CDunAtEcomListen::RunL() (not supported) complete") ));
+        }
+    FTRACE(FPrint( _L("CDunAtEcomListen::RunL() complete") ));
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// Gets called on cancel
+// ---------------------------------------------------------------------------
+//
+void CDunAtEcomListen::DoCancel()
+    {
+    FTRACE(FPrint( _L("CDunAtEcomListen::DoCancel()") ));
+    FTRACE(FPrint( _L("CDunAtEcomListen::DoCancel() complete") ));
+    }