--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/EikStd/coctlsrc/aknitemactionmenu.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,454 @@
+/*
+* 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: Item action menu.
+*
+*/
+
+#include <aknappui.h>
+#include <akncollection.h>
+#include <aknitemactionmenu.h>
+#include <aknlistquerydialog.h>
+#include <aknstyluspopupmenu.h>
+#include <AknTasHook.h>
+#include <avkon.rsg>
+#include <eikmenub.h>
+#include <eikpanic.h>
+
+#include "akncollectionobserver.h"
+#include "aknitemactionmenudata.h"
+#include "aknitemactionmenuregister.h"
+
+/**
+ * Index for invalid list index.
+ */
+const TInt KInvalidListIndex( -1 );
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::NewL
+// ---------------------------------------------------------------------------
+//
+CAknItemActionMenu* CAknItemActionMenu::NewL(
+        MAknCollection& aCollection )
+    {
+    CAknItemActionMenu* self = CAknItemActionMenu::NewLC( aCollection );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::NewLC
+// ---------------------------------------------------------------------------
+//
+CAknItemActionMenu* CAknItemActionMenu::NewLC( MAknCollection& aCollection )
+    {
+    CAknItemActionMenu* self = new ( ELeave ) CAknItemActionMenu();
+    CleanupStack::PushL( self );
+    self->ConstructL( aCollection );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::~CAknItemActionMenu
+// ---------------------------------------------------------------------------
+//
+CAknItemActionMenu::~CAknItemActionMenu()
+    {
+    AKNTASHOOK_REMOVE();
+    delete iPopupMenu;
+    delete iMenuPane;
+    delete iMenuData;
+    iStates.Close();
+    iObservers.Close();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::RegisterCollectionL
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CAknItemActionMenu* CAknItemActionMenu::RegisterCollectionL(
+        MAknCollection& aCollection )
+    {
+    return AknItemActionMenuRegister::RegisterCollectionL( aCollection );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::RemoveCollection
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CAknItemActionMenu::RemoveCollection(
+        MAknCollection& aCollection )
+    {
+    for ( TInt i = 0; i < iStates.Count(); i++ )
+        {
+        MAknCollection* state( iStates[ i ] );
+        if ( state == &aCollection )
+            {
+            iStates.Remove( i );
+            break;
+            }
+        }
+    UnregisterMenu(); 
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::InitMenuL
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TBool CAknItemActionMenu::InitMenuL()
+    {
+    iMenuData->Reset();
+    if ( !iMenuBar )
+        {
+        AknItemActionMenuRegister::RegisterItemActionMenuL( *this );
+        }
+    if ( iMenuBar )
+        {
+        if ( iMenuPane )
+            {
+            delete iMenuPane;
+            iMenuPane = NULL;
+            }
+        iMenuPane = iMenuBar->PopulateItemActionMenuL( *this );
+        }
+    else
+        {
+        return EFalse;
+        }
+
+    return iMenuData->Count();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::ShowMenuL
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CAknItemActionMenu::ShowMenuL(
+        const TPoint& aPosition,
+        TUint /*aFlags*/ )
+    {
+    if ( iMenuData->Count() )
+        {
+        if ( !iPopupMenu )
+            {
+            iPopupMenu = CAknStylusPopUpMenu::NewL( this, TPoint() );
+            }
+        iPopupMenu->Clear();
+        iMenuData->AddMenuItemsToStylusPopupMenuL( iPopupMenu );
+        iPopupMenu->SetPosition(
+                aPosition,
+                CAknStylusPopUpMenu::EPositionTypeRightBottom );
+        iPopupMenu->ShowMenu();
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::CollectionChanged
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CAknItemActionMenu::CollectionChanged(
+        MAknCollection& aCollection )
+    {
+    if ( iObservers.Count() && iStates.Find( &aCollection ) != KErrNotFound )
+        {
+        TBool collectionVisible( aCollection.CollectionState()
+                & MAknCollection::EStateCollectionVisible );
+        NotifyChangeToActiveObserver( collectionVisible );
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::AddCollectionStateL
+// ---------------------------------------------------------------------------
+//
+void CAknItemActionMenu::AddCollectionStateL(
+        MAknCollection& aCollection )
+    {
+    if ( iStates.Find( &aCollection ) == KErrNotFound )
+        {
+        iStates.InsertL( &aCollection, 0 );
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::SetMenuBar
+// ---------------------------------------------------------------------------
+//
+void CAknItemActionMenu::SetMenuBar(
+        MEikMenuObserver* aMenuObserver,
+        CEikMenuBar* aMenuBar )
+    {
+    iMenuBarObserver = aMenuObserver;
+    iMenuBar = aMenuBar;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::CollectionHighlightVisible
+// ---------------------------------------------------------------------------
+//
+TBool CAknItemActionMenu::CollectionHighlightVisible() const
+    {
+    TBool highlightVisible( ETrue );
+    for ( TInt i = 0; i < iStates.Count(); i++ )
+        {
+        MAknCollection* state( iStates[ i ] );
+        if ( state->CollectionState() &
+                MAknCollection::EStateCollectionVisible )
+            {
+            highlightVisible = state->CollectionState()
+                & MAknCollection::EStateHighlightVisible;
+            break;
+            }
+        }
+    return highlightVisible;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::CollectionSoftkeyVisible
+// ---------------------------------------------------------------------------
+//
+TBool CAknItemActionMenu::CollectionSoftkeyVisible(
+        TBool aVisibleCollection ) const
+    {
+    TBool softkeyVisible( ETrue );
+    for ( TInt i = 0; i < iStates.Count(); i++ )
+        {
+        TInt state( iStates[ i ]->CollectionState() );
+        if ( !aVisibleCollection
+                || state & MAknCollection::EStateCollectionVisible )
+            {
+            if ( state & MAknCollection::EStateMultipleSelection
+                    || state & MAknCollection::EStateViewOnly )
+                {
+                softkeyVisible = ETrue;
+                }
+            else
+                {
+                softkeyVisible =
+                    state & MAknCollection::EStateHighlightVisible;
+                }
+            break;
+            }
+        }
+    return softkeyVisible;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::MenuData
+// ---------------------------------------------------------------------------
+//
+CAknItemActionMenuData& CAknItemActionMenu::MenuData()
+    {
+    return *iMenuData;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::RegisterCollectionObserverL
+// ---------------------------------------------------------------------------
+//
+void CAknItemActionMenu::RegisterCollectionObserverL(
+        MAknCollectionObserver& aObserver )
+    {
+    if ( iObservers.Find( &aObserver ) == KErrNotFound )
+        {
+        iObservers.InsertL( &aObserver, 0 );
+        aObserver.SetItemActionMenu( this );
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::RemoveCollectionObserver
+// ---------------------------------------------------------------------------
+//
+void CAknItemActionMenu::RemoveCollectionObserver(
+        MAknCollectionObserver& aObserver )
+    {
+    TInt index( iObservers.Find( &aObserver ) );
+    if ( index != KErrNotFound )
+        {
+        iObservers.Remove( index );
+        UnregisterMenu(); 
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::CollectionCount
+// ---------------------------------------------------------------------------
+//
+TInt CAknItemActionMenu::CollectionCount() const
+    {
+    return iStates.Count();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::CAknItemActionMenu
+// ---------------------------------------------------------------------------
+//
+CAknItemActionMenu::CAknItemActionMenu()
+    : iPopupMenu( NULL ),
+    iMenuBarObserver( NULL ),
+    iMenuBar( NULL ),
+    iMenuPane( NULL ),
+    iMenuData( NULL )
+    {
+    AKNTASHOOK_ADD( this, "CAknItemActionMenu" );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::ConstructL
+// ---------------------------------------------------------------------------
+//
+void CAknItemActionMenu::ConstructL( MAknCollection& aCollection )
+    {
+    AddCollectionStateL( aCollection );
+    iMenuData = CAknItemActionMenuData::NewL();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::LaunchSubMenuQueryL
+// ---------------------------------------------------------------------------
+//
+TInt CAknItemActionMenu::LaunchSubMenuQueryL( const TDesC& aHeading )
+    {
+    TInt selectedIndex( KInvalidListIndex );
+    if ( iMenuData->Count() )
+        {
+        CAknListQueryDialog* queryDialog
+            = new ( ELeave ) CAknListQueryDialog( &selectedIndex );
+        queryDialog->PrepareLC( R_AVKON_ITEM_ACTION_SUB_MENU_QUERY );
+        MDesCArray* itemArray = iMenuData->MenuItemsForQueryDialogL();
+        queryDialog->SetItemTextArray( itemArray );
+        queryDialog->SetOwnershipType( ELbmOwnsItemArray );
+        if ( aHeading != KNullDesC && queryDialog->QueryHeading() )
+            {
+            queryDialog->QueryHeading()->SetTextL( aHeading );
+            }
+        queryDialog->RunLD();
+        }
+    return ++selectedIndex;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::NotifyChangeToActiveObserver
+// ---------------------------------------------------------------------------
+//
+void CAknItemActionMenu::NotifyChangeToActiveObserver(
+        TBool aCollectionVisible )
+    {
+    for ( TInt i = 0; i < iObservers.Count(); i++ )
+        {
+        MAknCollectionObserver* observer( iObservers[ i ] );
+        if ( observer->Active() )
+            {
+            observer->CollectionChanged( aCollectionVisible );
+            break;
+            }
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::SetEmphasis
+// ---------------------------------------------------------------------------
+//
+void CAknItemActionMenu::SetEmphasis(
+        CCoeControl* /*aMenuControl*/,
+        TBool /*aEmphasis*/ )
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::ProcessCommandL
+// ---------------------------------------------------------------------------
+//
+void CAknItemActionMenu::ProcessCommandL( TInt aCommandId )
+    {
+    MAknCollection* informState ( NULL );
+    // Store collection state before sending the command
+    for ( TInt i = 0; i < iStates.Count(); i++ )
+        {
+        MAknCollection* state( iStates[ i ] );
+        if ( state->CollectionState()
+                & MAknCollection::EStateCollectionVisible )
+            {
+            informState = state;
+            break;
+            }
+        }       
+    
+    if ( aCommandId > 0 )
+        {
+        TInt cascadeId( iMenuData->MenuItemCascadeId( aCommandId ) );
+        if ( cascadeId && iMenuPane )
+            {
+            TMenuItemTextBuf text = iMenuData->MenuItemText( aCommandId );
+            iMenuData->Reset();
+            iMenuPane->AddCascadeMenuItemsToActionMenuL(
+                    cascadeId, EFalse, *iMenuData );
+            aCommandId = LaunchSubMenuQueryL( text );
+            }
+                
+        if ( aCommandId > 0 && iMenuBarObserver )
+            {
+            iProcessingCommand = ETrue; 
+            iMenuBarObserver->ProcessCommandL(
+                    iMenuData->MenuItemCommandId( aCommandId ) );
+            iProcessingCommand = EFalse; 
+            }
+        }
+    // Inform collection that submenu was closed
+    if ( iStates.Find( informState ) != KErrNotFound ) 
+        {
+        informState->ItemActionMenuClosed();
+        }
+    UnregisterMenu(); 
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknItemActionMenu::UnregisterMenu
+// ---------------------------------------------------------------------------
+//
+void CAknItemActionMenu::UnregisterMenu()
+    {
+    if ( !iProcessingCommand && !iStates.Count() && !iObservers.Count() )
+        {
+        delete iPopupMenu;
+        iPopupMenu = NULL;
+        delete iMenuPane;
+        iMenuPane = NULL;
+        AknItemActionMenuRegister::UnregisterItemActionMenu( *this );
+        }
+    }
+
+// End of File