idlehomescreen/xmluirendering/uiengine/src/xnwallpaperview.cpp
branchRCL_3
changeset 83 5456b4e8b3a8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluirendering/uiengine/src/xnwallpaperview.cpp	Wed Sep 01 12:32:46 2010 +0100
@@ -0,0 +1,279 @@
+/*
+* 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:  Wallpaper view.
+*
+*/
+
+// System includes
+#include <eikbtgpc.h>
+#include <avkon.rsg>
+#include <MGFetch.h> 
+#include <bautils.h>
+#include <data_caging_path_literals.hrh>
+
+// User includes
+#include <xnwallpaperview.rsg>
+#include "xnwallpaperview.h"
+#include "xnwallpapercontainer.h"
+#include "xnuiengine.h"
+#include "xnappuiadapter.h"
+#include "xnviewadapter.h"
+#include "xnviewmanager.h"
+#include "xneffectmanager.h"
+#include "xnspbgcleaner.h"
+
+// Constants
+_LIT( KResourceDrive, "z:" );
+_LIT( KResourceFile, "xnwallpaperview.rsc" );
+
+_LIT8( KMulti, "multi" );
+_LIT8( KSetWallpaper, "setwallpaper" );
+
+const TInt KFileArrayGranularity( 6 );
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// C++ default constructor.
+//
+// -----------------------------------------------------------------------------
+//
+CXnWallpaperView::CXnWallpaperView( CXnUiEngine& aEngine ) 
+    : iEngine( aEngine ), iAppUi( iEngine.AppUiAdapter() )    
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// Symbian 2nd phase constructor.
+//
+// -----------------------------------------------------------------------------
+//
+void CXnWallpaperView::ConstructL()
+    {
+    TFileName resFile;
+    resFile.Append( KResourceDrive );
+    resFile.Append( KDC_APP_RESOURCE_DIR );
+    resFile.Append( KResourceFile );
+    
+    CCoeEnv* env( CCoeEnv::Static() );
+
+    BaflUtils::NearestLanguageFile( env->FsSession(), resFile );
+
+    iResourceOffset = env->AddResourceFileL( resFile );
+    
+    BaseConstructL( R_WALLPAPER_VIEW );
+           
+    TCallBack cb( HandleCallback, this );
+    
+    iAsyncCb = new ( ELeave ) CAsyncCallBack( cb, CActive::EPriorityHigh );
+    
+    iFiles = new ( ELeave ) CDesCArrayFlat( KFileArrayGranularity );                
+    }
+
+// -----------------------------------------------------------------------------
+// Two-phased constructor.
+//
+// -----------------------------------------------------------------------------
+//
+CXnWallpaperView* CXnWallpaperView::NewL( CXnUiEngine& aEngine )
+    {
+    CXnWallpaperView* self = new (ELeave) CXnWallpaperView( aEngine );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// Destructor.
+//
+// -----------------------------------------------------------------------------
+//
+CXnWallpaperView::~CXnWallpaperView()
+    {        
+    CCoeEnv::Static()->DeleteResourceFile( iResourceOffset );    
+    
+    if ( iFiles )
+        {
+        iFiles->Reset();
+        }
+    
+    delete iFiles;    
+    delete iContainer;
+    delete iSpBgCleaner;
+    delete iAsyncCb;
+    }
+
+// -----------------------------------------------------------------------------
+// CXnWallpaperView::Id
+//
+// -----------------------------------------------------------------------------
+//
+TUid CXnWallpaperView::Id() const
+    {
+    return KWallpaperViewUid;
+    }
+
+// -----------------------------------------------------------------------------
+// CXnWallpaperView::DoActivateL
+//
+// -----------------------------------------------------------------------------
+//
+void CXnWallpaperView::DoActivateL( const TVwsViewId& /*aPrevViewId*/,           
+    TUid /*aCustomMessageId*/, const TDesC8& aCustomMessage )            
+    {
+    // switch layout 
+    CEikStatusPane* sp( iAppUi.StatusPane() );
+    
+    // setup status pane layout
+    sp->SwitchLayoutL( R_AVKON_STATUS_PANE_LAYOUT_USUAL_FLAT );
+    // apply changes 
+    sp->ApplyCurrentSettingsL();
+    // disable transparancy
+    sp->EnableTransparent( EFalse );
+    
+    // create background cleaner for sp
+    if ( !iSpBgCleaner )
+        {
+        iSpBgCleaner = CXnSpBgCleaner::NewL();
+        AppUi()->AddToStackL( *this, iSpBgCleaner );
+        }
+
+    // update sp
+    iSpBgCleaner->DrawNow();
+    sp->DrawNow();
+    
+    // update cba
+    CEikButtonGroupContainer* bgc( Cba() );
+    CEikCba* cba = static_cast< CEikCba* >( bgc->ButtonGroup() );
+
+    if ( cba ) 
+        {       
+        bgc->SetBoundingRect( TRect() );
+        cba->DrawNow();
+        }
+    
+    if ( !iContainer )
+        {
+        iContainer = CXnWallpaperContainer::NewL();
+        iAppUi.AddToStackL( *this, iContainer );
+        iContainer->ActivateL();
+        iContainer->DrawNow();
+        }
+      
+    iAppUi.EffectManager()->EndFullscreenEffect( KGfxContextOpenWallpaperView );
+    
+    iMultiple = ( aCustomMessage == KMulti ) ? ETrue : EFalse;
+           
+    // Run image selection dialog asynchronously    
+    iAsyncCb->CallBack();
+    }
+
+// -----------------------------------------------------------------------------
+// CXnWallpaperView::DoDeactivate
+//
+// -----------------------------------------------------------------------------
+//
+void CXnWallpaperView::DoDeactivate()
+    {       
+    if ( iContainer )
+        {
+        iAppUi.RemoveFromStack( iContainer );
+        delete iContainer;
+        iContainer = NULL;
+        }
+    
+    if ( iSpBgCleaner )
+        {
+        AppUi()->RemoveFromStack( iSpBgCleaner );
+        delete iSpBgCleaner;
+        iSpBgCleaner = NULL;
+        }
+    
+    iAppUi.EffectManager()->EndFullscreenEffect( KGfxContextCloseWallpaperView );
+    }
+
+// -----------------------------------------------------------------------------
+// CXnWallpaperView::SelectedWallpaper
+//
+// -----------------------------------------------------------------------------
+//
+void CXnWallpaperView::SelectedWallpaper( TFileName& aFileName ) const
+    {
+    aFileName.Copy( iFileName );       
+    }
+
+// -----------------------------------------------------------------------------
+// CXnWallpaperView::HandleCallback
+//
+// -----------------------------------------------------------------------------
+//
+TInt CXnWallpaperView::HandleCallback( TAny* aAny )
+    {       
+    CXnWallpaperView* self = static_cast< CXnWallpaperView* >( aAny );
+          
+    TRAP_IGNORE( self->DoHandleCallbackL() );
+    
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CXnWallpaperView::DoHandleCallbackL
+//
+// -----------------------------------------------------------------------------
+//
+void CXnWallpaperView::DoHandleCallbackL()
+    {    
+    // Reset 
+    iFileName = KNullDesC();    
+    iFiles->Reset();
+        
+    TBool selected( EFalse );
+                   
+    TRAP_IGNORE( selected = 
+        MGFetch::RunL( *iFiles, EImageFile, iMultiple ) ); 
+            
+    if ( selected && iFiles->MdcaCount() > 0 )                 
+        {
+        // Reset
+        selected = EFalse;
+                
+        if( iFiles->MdcaCount() == 1 )
+            {
+            TPtrC fileName( iFiles->MdcaPoint( 0 ) );
+                            
+            RFs& fs( CEikonEnv::Static()->FsSession() );
+            
+            if ( BaflUtils::FileExists( fs, fileName ) )
+                {
+                // Accept the selected file
+                selected = ETrue;
+                iFileName.Copy( fileName );
+                }
+            }
+        
+        iFiles->Reset();
+        }       
+    
+    // Default view
+    TVwsViewId xmlViewId( iAppUi.View().ViewId() );
+    
+    const TDesC8& param( selected ? KSetWallpaper() : KNullDesC8() );
+    
+    iAppUi.EffectManager()->BeginFullscreenEffectL( KGfxContextCloseWallpaperView );
+    
+    iAppUi.ActivateLocalViewL( xmlViewId.iViewUid, TUid(), param );                         
+    }
+
+//  End of File