idlehomescreen/widgetmanager/src/wminstaller.cpp
branchRCL_3
changeset 83 5456b4e8b3a8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/widgetmanager/src/wminstaller.cpp	Wed Sep 01 12:32:46 2010 +0100
@@ -0,0 +1,236 @@
+/*
+* 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:
+* widget manager plugin implementation
+*
+*/
+
+#include <e32base.h>
+#include <eikenv.h>
+
+#include "wminstaller.h"
+#include "wmwidgetdata.h"
+#include "wmplugin.h"
+
+
+// CONSTANTS
+_LIT8( KWrtMime, "application/x-nokia-widget");
+
+/* 
+  Note: 
+  same mime type as above is used for wgz & wgt in wk9.
+  \ext\mw\cwrt\app\platform\s60\WidgetRecognizer\
+  Uninstalltion will fail with KErrNotFound for now.
+*/
+_LIT8( KCWrtMime, "application/widget");
+
+// ---------------------------------------------------------
+// CWmInstaller::NewL
+// ---------------------------------------------------------
+//
+CWmInstaller* CWmInstaller::NewL( CWmPlugin& aWmPlugin )
+    {
+    CWmInstaller* self = CWmInstaller::NewLC( aWmPlugin );
+    CleanupStack::Pop(); // self;
+    return self;
+    }
+
+// ---------------------------------------------------------
+// CWmInstaller::NewLC
+// ---------------------------------------------------------
+//
+CWmInstaller* CWmInstaller::NewLC( CWmPlugin& aWmPlugin )
+    {
+    CWmInstaller* self = new ( ELeave ) CWmInstaller( aWmPlugin );
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+    }
+
+// ---------------------------------------------------------
+// CWmInstaller::CWmInstaller
+// ---------------------------------------------------------
+//
+CWmInstaller::CWmInstaller( CWmPlugin& aWmPlugin ) :
+    CActive( EPriorityStandard ),
+    iWmPlugin( aWmPlugin )
+    {
+    iUid = KNullUid;
+    iIdle = NULL;
+    CActiveScheduler::Add( this );
+    }
+
+// ---------------------------------------------------------
+// CWmInstaller::ConstructL
+// ---------------------------------------------------------
+//
+void CWmInstaller::ConstructL()
+    {
+    iIdle = CIdle::NewL( CActive::EPriorityStandard );
+    }
+
+// ---------------------------------------------------------
+// CWmInstaller::~CWmInstaller
+// ---------------------------------------------------------
+//
+CWmInstaller::~CWmInstaller()
+    {
+    Cancel();
+
+    if ( iIdle && iIdle->IsActive() )
+        {
+        iIdle->Cancel();
+        }
+    delete iIdle;
+    delete iMime;
+    }
+
+// ---------------------------------------------------------
+// CWmInstaller::DoCancel
+// ---------------------------------------------------------
+//
+void CWmInstaller::DoCancel()
+    {
+    if ( IsActive() )
+        {
+        iInstaller.CancelAsyncRequest( 
+                SwiUI::ERequestSilentUninstall );
+
+        // close session
+        iInstaller.Close();
+        }
+    }
+
+// ---------------------------------------------------------
+// CWmInstaller::RunL
+// ---------------------------------------------------------
+//
+void CWmInstaller::RunL()
+    {
+    // if error has occurred, stop uninstallation animation.
+    CWmWidgetData* widget = 
+            iWmPlugin.GetUninstalledWidgetByUid( iUid );
+    if ( widget )
+        {
+        widget->StopUninstallAnimation();
+        }
+
+    if ( KErrNone !=  iStatus.Int() )
+        {
+        // display error note incase of error
+        CEikonEnv::Static()->HandleError( iStatus.Int() );
+        }
+
+    // close SWI session
+    if ( iIdle && iIdle->IsActive() )
+        {
+        iIdle->Cancel();
+        }
+    iIdle->Start( TCallBack( CloseSwiSession, this ) );
+    }
+
+// ---------------------------------------------------------
+// CWmInstaller::CloseSwiSession
+// ---------------------------------------------------------
+//
+TInt CWmInstaller::CloseSwiSession( TAny* aPtr )
+    {
+    CWmInstaller* self = static_cast< CWmInstaller* >( aPtr );
+    if ( self->iIdle->IsActive() )
+      {
+      self->iIdle->Cancel(); 
+      }
+    
+    self->iUid = KNullUid;
+    
+    self->iInstaller.Close();
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------
+// CWmInstaller::RunError
+// ---------------------------------------------------------
+//
+TInt CWmInstaller::RunError(TInt /*aError*/)
+    {
+     // if error has occurred, stop uninstallation animation.
+    CWmWidgetData* widget = 
+            iWmPlugin.GetUninstalledWidgetByUid( iUid );
+    if ( widget )
+        {
+        widget->StopUninstallAnimation();
+        }
+    // close SWI session
+    if ( iIdle && iIdle->IsActive() )
+        {
+        iIdle->Cancel();
+        }
+    iIdle->Start( TCallBack( CloseSwiSession, this ) );
+
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------
+// CWmInstaller::UninstallL
+// ---------------------------------------------------------
+//
+void CWmInstaller::UninstallL( CWmWidgetData* aData )
+    {
+    if ( IsActive() )
+        {
+        User::Leave( KErrInUse );
+        }
+    else if ( !aData || aData->PublisherUid() == KNullUid ||
+        aData->WrtType() == CWmWidgetData::EUnIdentified )
+        {
+        User::Leave( KErrArgument );
+        }
+    else
+        {
+        delete iMime;
+        iMime = NULL;
+        CloseSwiSession( this );
+        
+        // re-open session to swi server
+        User::LeaveIfError( iInstaller.Connect() );
+        iMime = ( ( aData->WrtType() == CWmWidgetData::EWgt ) ?
+            KCWrtMime().AllocL() : KWrtMime().AllocL() );
+        iUid = aData->PublisherUid();
+        SwiUI::TUninstallOptions optionsUninstall;
+        optionsUninstall.iBreakDependency = SwiUI::EPolicyAllowed;
+        optionsUninstall.iKillApp = SwiUI::EPolicyAllowed;
+        SwiUI::TUninstallOptionsPckg uninstallOptionsPkg( optionsUninstall );
+        iInstaller.SilentUninstall( iStatus, iUid, 
+                                uninstallOptionsPkg, *iMime );
+        
+        aData->VisualizeUninstallL();
+        SetActive();
+        }
+    }
+
+// ---------------------------------------------------------
+// CWmInstaller::Uid
+// ---------------------------------------------------------
+//
+TUid CWmInstaller::UninstallUid()
+    {
+    if ( IsActive() )
+        {
+        return iUid;
+        }
+    else
+        {
+        return KNullUid;
+        }
+    }