gssettingsuis/Gs/GSApplication/Src/GSMainView.cpp
branchRCL_3
changeset 54 7e0eff37aedb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gssettingsuis/Gs/GSApplication/Src/GSMainView.cpp	Wed Sep 01 12:20:44 2010 +0100
@@ -0,0 +1,449 @@
+/*
+* Copyright (c) 2005 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:  Main View.
+*
+*/
+
+
+// INCLUDE FILES
+#include    <gsmainview.h>
+#include    "GSMainContainer.h"
+#include    "GsLogger.h"
+#include    "gsplugininterface.h"
+#include    "GSDocument.h"
+#include    "GSUi.h"
+#include    <gsapp.rsg>
+#include    <gsfwviewuids.h>
+
+#include    <aknlists.h>
+#include    <ConeResLoader.h>
+#include    <featmgr.h>
+#include    <akntitle.h>
+#include    <bautils.h> // Localization
+#include    <hlplch.h>
+#include    <gscommon.hrh>
+#include    <gfxtranseffect/gfxtranseffect.h>
+#include	  <layoutmetadata.cdl.h>
+
+// ========================= MEMBER FUNCTIONS ================================
+
+// ---------------------------------------------------------------------------
+// CGSMainView::CGSMainView
+// C++ constructor.
+//
+// ---------------------------------------------------------------------------
+//
+CGSMainView::CGSMainView()
+    : iResourceLoader( *iCoeEnv )
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// CGSMainView::NewL()
+// Symbian OS two-phased constructor.
+//
+// ---------------------------------------------------------------------------
+//
+CGSMainView* CGSMainView::NewL()
+    {
+    CGSMainView* self = NewLC();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CGSMainView::NewLC()
+// Symbian OS two-phased constructor.
+//
+// ---------------------------------------------------------------------------
+//
+CGSMainView* CGSMainView::NewLC()
+    {
+    CGSMainView* self = new( ELeave ) CGSMainView();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CGSMainView::ConstructL(const TRect& aRect)
+// Symbian OS default constuctor.
+//
+// ---------------------------------------------------------------------------
+//
+void CGSMainView::ConstructL()
+    {
+    __GSLOGSTRING( "[CGSMainView] ConstructL()" );
+    iAppUi = AppUi();
+
+    OpenLocalizedResourceFileL( KGSMainViewResourceFileName );
+    BaseConstructL( R_GS_MAIN_VIEW );
+
+    iPluginArray = new CArrayPtrFlat<CGSPluginInterface>( 10 );
+
+    iPluginLoader = CGSPluginLoader::NewL( iAppUi );
+    iPluginLoader->SetObserver( this );
+    iPluginLoader->LoadAsyncL( KGSPluginInterfaceUid, KGSMainViewUid,
+        iPluginArray );
+    iPosition.Reset();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CGSMainView::~CGSMainView()
+// Destructor
+//
+// ---------------------------------------------------------------------------
+//
+CGSMainView::~CGSMainView()
+    {
+    __GSLOGSTRING( "[CGSMainView] ~CGSMainView" );
+    if ( iPluginLoader )
+        {
+        delete iPluginLoader;
+        }
+
+    if ( iPluginArray )
+        {
+        // Since the plugins are actually avkon views, avkon is responsible
+        // for owning the plugins. This means we do not reset and destroy
+        // the contents of the array in which the plugins reside. We have to
+        // leave it up to avkon to tidy up.
+        delete iPluginArray;
+        }
+
+    iResourceLoader.Close();
+
+    if( iContainer && iAppUi )
+        {
+        iAppUi->RemoveFromViewStack( *this, iContainer );
+        delete iContainer;
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// TUid CGSMainView::OpenLocalizedResourceFileL()
+//
+//
+// ---------------------------------------------------------------------------
+//
+void CGSMainView::OpenLocalizedResourceFileL( const TDesC& aResourceFileName )
+    {
+    RFs &fsSession = CCoeEnv::Static()->FsSession();
+
+    // Find the resource file
+    TParse parse;
+    parse.Set( aResourceFileName, &KDC_APP_RESOURCE_DIR, NULL );
+    TFileName fileName( parse.FullName() );
+
+    // Get language of resource file
+    BaflUtils::NearestLanguageFile( fsSession, fileName );
+
+    // Open resource file
+    iResourceLoader.OpenL( fileName );
+    }
+
+
+// ---------------------------------------------------------------------------
+// TUid CGSMainView::Id()
+//
+//
+// ---------------------------------------------------------------------------
+//
+TUid CGSMainView::Id() const
+    {
+    return KGSMainViewUid;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CGSMainView::DoActivateL()
+//
+//
+// ---------------------------------------------------------------------------
+//
+void CGSMainView::DoActivateL( const TVwsViewId& /*aPrevViewId*/,
+                               TUid /*aCustomMessageId*/,
+                               const TDesC8& /*aCustomMessage*/ )
+    {
+    __GSLOGSTRING( "[CGSMainView] DoActivateL()" );
+    
+    iPluginLoader->RequestPriority( CActive::EPriorityHigh );
+    
+    if( iContainer )
+        {
+        iAppUi->RemoveFromViewStack( *this, iContainer );
+        delete iContainer;
+        iContainer = NULL;
+        }
+    NewContainerL();
+    
+    // Set the empty text of list box
+    _LIT( KEmptyText, "" );
+    TBuf<1> empty( KEmptyText );
+    iContainer->SetListBoxEmptyTextL( empty );
+    
+    // Do this to update listbox from already existing iPluginArray.
+    iContainer->UpdateListBoxL();
+    if ( iPosition.iCurrentItemIndex != -1 )
+		{
+		if ( iIsLandscapeOrientation == Layout_Meta_Data::IsLandscapeOrientation() )
+			{
+			iContainer->RestoreListBoxPositionL( iPosition, EFalse );
+			}
+		else
+			{
+			iContainer->RestoreListBoxPositionL( iPosition, ETrue );
+			}
+		}
+    iAppUi->AddToViewStackL( *this, iContainer );
+    // Navigating to main view will reset all child plugin selected indexes:
+    for( TInt i = 0; i < iPluginArray->Count(); i++ )
+        {
+        CGSPluginInterface* plugin = iPluginArray->operator[]( i );
+        plugin->ResetSelectedItemIndex();
+        }
+    GfxTransEffect::EndFullScreen();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CGSMainView::DoDeactivate()
+//
+//
+// ---------------------------------------------------------------------------
+//
+void CGSMainView::DoDeactivate()
+    {
+    __GSLOGSTRING( "[CGSMainView] DoDeactivate()" );
+    
+    iPluginLoader->RequestPriority( CActive::EPriorityLow );
+    
+    if ( iContainer )
+        {
+		
+		iPosition.Reset();
+		TRAPD( err, iContainer->StoreListBoxPositionL( iPosition ) );
+		iIsLandscapeOrientation = Layout_Meta_Data::IsLandscapeOrientation();
+		iAppUi->RemoveFromViewStack(*this, iContainer);
+        delete iContainer;
+        iContainer = NULL;
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CGSMainView::NewContainerL()
+//
+//
+// ---------------------------------------------------------------------------
+//
+void CGSMainView::NewContainerL()
+    {
+    iContainer = new( ELeave ) CGSMainContainer;
+    iContainer->SetMopParent( this );
+
+    TRAPD(
+        error,
+        iContainer->ConstructL( ClientRect() , AppUi(), iPluginArray ) );
+
+    if ( error )
+        {
+        delete iContainer;
+        iContainer = NULL;
+        User::Leave( error );
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// TUid CGSMainView::HandleCommandL()
+//
+//
+// ---------------------------------------------------------------------------
+//
+void CGSMainView::HandleCommandL( TInt aCommand )
+    {
+    __GSLOGSTRING1( "[CGSMainView] HandleCommandL(%d)", aCommand );
+
+    switch ( aCommand )
+        {
+        case EGSCmdAppOpen:
+        case EAknSoftkeyOpen:
+            if( iContainer )
+                {
+                CGSPluginInterface* plugin = iContainer->SelectedPlugin();
+                if ( plugin )
+                	{
+                    switch (plugin->ItemType())
+                        {
+                        // In these cases the plugin is a view:
+                        case EGSItemTypeSingleLarge:
+                        case EGSItemTypeSetting:
+                        case EGSItemTypeSettingIcon:
+                            iAppUi->ActivateLocalViewL(plugin->Id());
+                            break;
+                            // In these cases the plugin is a dialog:
+                        case EGSItemTypeSettingDialog:
+                        case EGSItemTypeSingleLargeDialog:
+                            plugin->HandleSelection(EGSSelectionByMenu);
+                            break;
+                        }
+                	}
+                }
+            break;
+        case EAknCmdHelp:
+            {
+            if( FeatureManager::FeatureSupported( KFeatureIdHelp ) )
+                {
+                HlpLauncher::LaunchHelpApplicationL(
+                    iEikonEnv->WsSession(), iAppUi->AppHelpContextL() );
+                }
+            break;
+            }
+        default:
+            iAppUi->HandleCommandL( aCommand );
+            break;
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// TUid CGSMainView::HandlePluginLoaded()
+//
+//
+// ---------------------------------------------------------------------------
+//
+void CGSMainView::HandlePluginLoaded( KGSPluginLoaderStatus aStatus )
+    {
+    __GSLOGSTRING1( "[CGSMainView::HandlePluginLoaded] aStatus:%d", aStatus );
+    
+    switch( aStatus )
+        {
+        case MGSPluginLoadObserver::EGSSuccess:
+            // Should not update each time when plugin is loaded, only when 
+            // finished loading spesific view plugins?
+            break;
+        case MGSPluginLoadObserver::EGSFinished:
+            if( iContainer )
+                {
+                TRAPD( err,
+                       iContainer->UpdateListBoxL(); )
+                if( err != KErrNone )
+                    {
+                    __GSLOGSTRING1(
+                        "[CGSMainView] Error updating listbox: %d", 
+                        err );
+                    }
+                }
+            break;
+        default:
+            break;
+        }
+
+    }
+
+
+// ---------------------------------------------------------------------------
+// CGSMainView::TransferDynamicPluginL()
+//
+//
+// ---------------------------------------------------------------------------
+//
+void CGSMainView::TransferDynamicPluginL( CGSPluginInterface* aPlugin )
+    {
+    __GSLOGSTRING1( "[CGSMainView] CGSMainView::TransferDynamicPluginL() - plugin id: 0x%x added to appUi.", aPlugin->Id() );
+
+    CleanupStack::PushL( aPlugin );
+    iAppUi->AddViewL( aPlugin );
+    CleanupStack::Pop( aPlugin );
+    
+    // Add to the overall plugin array for this parent plugin
+    iPluginArray->AppendL( aPlugin );
+    
+    // Resort the plugins so that they are in order
+    iPluginLoader->SortPluginsL( iPluginArray );
+    
+    // Update the listbox with the new information
+    HandlePluginLoaded( MGSPluginLoadObserver::EGSSuccess );
+    }
+
+
+// -------------------------------------------------    --------------------------
+// TUid CGSMainView::TabbedViews()
+//
+//
+// ---------------------------------------------------------------------------
+//
+CArrayPtrFlat<CGSPluginInterface>* CGSMainView::TabbedViews()
+    {
+    return iPluginArray;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CGSMainView::TabChangedL()
+//
+//
+// -----------------------------------------------------------------------------
+//
+void CGSMainView::TabChangedL( TUid selectedTabUid )
+    {
+    // Update selected item because changing tab in main view's children
+    // affects also main view's selected item:
+    iSelectedPluginUid = selectedTabUid;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CGSMainView::UpdateView()
+//
+//
+// -----------------------------------------------------------------------------
+//
+void CGSMainView::UpdateView()
+    {
+    TRAP_IGNORE( iContainer->UpdateListBoxL() );
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CGSMainView::DynInitMenuPaneL()
+//
+// dynamically handle help item if not supported
+// -----------------------------------------------------------------------------
+//
+void CGSMainView::DynInitMenuPaneL( TInt aResourceId, 
+                                    CEikMenuPane* aMenuPane )
+    {   
+    if( aResourceId == R_GS_MENU_ITEM_HELP )
+        {
+        User::LeaveIfNull( aMenuPane );
+        
+        if ( FeatureManager::FeatureSupported( KFeatureIdHelp ))
+            {
+            aMenuPane->SetItemDimmed( EAknCmdHelp, EFalse );
+            }
+        else
+            {
+            aMenuPane->SetItemDimmed( EAknCmdHelp, ETrue );
+            }
+        }
+    }
+
+//End of File