phonebookui/Phonebook2/UIControls/src/CPbk2ThumbnailPopupControl.cpp
changeset 0 e686773b3f54
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/UIControls/src/CPbk2ThumbnailPopupControl.cpp	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,284 @@
+/*
+* Copyright (c) 2005-2007 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:  Phonebook 2 thumbnail popup control.
+*
+*/
+
+
+// INCLUDE FILES
+#include "CPbk2ThumbnailPopupControl.h"
+
+// System includes
+#include <eiklbx.h>
+#include <aknlayoutscalable_apps.cdl.h>
+#include <aknlayoutscalable_avkon.cdl.h>
+#include <layoutmetadata.cdl.h>
+#include <AknsDrawUtils.h>
+#include <AknsBasicBackgroundControlContext.h>
+#include <eikenv.h>
+#include <eikappui.h>
+#include <AknUtils.h>
+
+
+// Debugging headers
+#include <Pbk2Debug.h>
+
+// --------------------------------------------------------------------------
+//
+// --------------------------------------------------------------------------
+//
+CPbk2ThumbnailPopupControl::CPbk2ThumbnailPopupControl( TPbk2ThumbnailLocation aThumbnailLocation,
+                                                        const CEikListBox* aListBox )
+    : iThumbnailLocation( aThumbnailLocation ),
+      iListBox( aListBox )
+    {
+    }
+
+// --------------------------------------------------------------------------
+//
+// --------------------------------------------------------------------------
+//
+CPbk2ThumbnailPopupControl::~CPbk2ThumbnailPopupControl()
+    {
+    AknsUtils::DeregisterControlPosition( this );
+    CEikonEnv::Static()->EikAppUi()->RemoveFromStack( this );
+    delete iBitmap;
+    delete iBgContext;
+    }
+
+// --------------------------------------------------------------------------
+//
+// --------------------------------------------------------------------------
+//
+CPbk2ThumbnailPopupControl* CPbk2ThumbnailPopupControl::NewL(
+        TPbk2ThumbnailLocation aThumbnailLocation,
+        const CEikListBox* aListBox )
+    {
+    CPbk2ThumbnailPopupControl* self =
+        new( ELeave )CPbk2ThumbnailPopupControl( aThumbnailLocation, aListBox );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// --------------------------------------------------------------------------
+//
+// --------------------------------------------------------------------------
+//
+void CPbk2ThumbnailPopupControl::ConstructL()
+    {
+    SetupSkinContext(); // we need to be able to clear the background using skin
+
+    CreateWindowL( iListBox );
+
+    MakeVisible( EFalse );
+    SetFocusing( EFalse );
+    SetPointerCapture( EFalse );
+
+    // add to stack to get resource change notifications,
+    // we must refuse focus and all input to prevent breaking the UI below
+    CEikonEnv::Static()->EikAppUi()->AddToStackL(
+            this,
+            ECoeStackPriorityDefault,
+            ECoeStackFlagRefusesAllKeys|ECoeStackFlagRefusesFocus );
+    }
+
+// --------------------------------------------------------------------------
+//
+// --------------------------------------------------------------------------
+//
+void CPbk2ThumbnailPopupControl::SetBitmap(CFbsBitmap* aBitmap)
+    {
+    if( aBitmap != iBitmap )
+        {
+        delete iBitmap;
+        iBitmap = aBitmap;
+        }
+    }
+
+// --------------------------------------------------------------------------
+//
+// --------------------------------------------------------------------------
+//
+void CPbk2ThumbnailPopupControl::SetThumbnailBackg( CFbsBitmap* aThumbBackg,
+                                                    CFbsBitmap* aThumbBackgMask )
+    {
+    iThumbSize=aThumbBackg->SizeInPixels();
+    iThumbBackg = aThumbBackg;
+    iThumbBackgMask = aThumbBackgMask;
+    }
+
+// --------------------------------------------------------------------------
+//
+// --------------------------------------------------------------------------
+//
+void CPbk2ThumbnailPopupControl::MakeControlVisible(TBool aVisible)
+    {
+    // hide the thumbnail if the highlighted listbox item isn't visible anymore
+    // (in ELocationUpDown mode the thumbnail is always visible)
+    if( iThumbnailLocation == ELocationHanging &&
+        !iListBox->View()->ItemIsVisible( iListBox->CurrentItemIndex() ) )
+        {
+        aVisible = EFalse;
+        }
+
+    if( aVisible )
+        {
+        Layout();
+        ActivateL();
+        }
+    MakeVisible( aVisible );
+    DrawDeferred(); // won't draw if invisible (or inactive)
+    }
+
+// --------------------------------------------------------------------------
+//
+// --------------------------------------------------------------------------
+//
+void CPbk2ThumbnailPopupControl::Draw( const TRect& /*aRect*/ ) const
+    {
+    CWindowGc& gc = SystemGc();
+    if ( iBitmap )
+        {
+        const TInt orientation( Layout_Meta_Data::IsLandscapeOrientation() ? 0 : 1 );
+        TAknLayoutRect thumbBgLayoutRect, thumbLayoutRect;
+        thumbBgLayoutRect.LayoutRect(
+                Rect(),
+                AknLayoutScalable_Apps::bg_popup_preview_window_pane_cp01( orientation ) );
+        thumbLayoutRect.LayoutRect(
+                Rect(),
+                AknLayoutScalable_Apps::popup_phob_thumbnail2_window_g1( orientation ) );
+
+        AknsDrawUtils::BackgroundBetweenRects( AknsUtils::SkinInstance(), iBgContext, this, gc, Rect(), thumbLayoutRect.Rect() );
+
+        thumbBgLayoutRect.DrawImage( gc, iThumbBackg, iThumbBackgMask );
+        thumbLayoutRect.DrawImage( gc, iBitmap, NULL );
+
+        }
+    else
+        {
+        AknsDrawUtils::Background( AknsUtils::SkinInstance(), iBgContext, this, gc, Rect() );
+        }
+    }
+
+// --------------------------------------------------------------------------
+//
+// --------------------------------------------------------------------------
+//
+inline void CPbk2ThumbnailPopupControl::Layout()
+    {
+    // calculate indentation (0.5u) in pixels (aid_value_unit2 is a 10ux10u rectangle)
+    TAknWindowComponentLayout unit( AknLayoutScalable_Avkon::aid_value_unit2() );
+    const TInt indent( unit.LayoutLine().iW / 10 / 2 ); // 0.5u
+
+    // background bitmap was already sized according to the thumbnail size and LAF specification
+    // -> set window size to match the size of the bg bitmap
+    TSize thumbWindowSize;
+    if (iThumbBackg)
+        {
+        thumbWindowSize= iThumbSize;    
+        }
+    
+
+    // calculate the thumbnail window X co-ordinate using listbox layout
+    TAknLayoutRect listPaneLayoutRect; // for horizontal positioning
+    listPaneLayoutRect.LayoutRect( iListBox->View()->ViewRect(), AknLayoutScalable_Avkon::list_gen_pane( 0 ) );
+
+    // window position:
+    // normal   - right side of the listbox -(thubnail window idth + indent)
+    // mirrored - left side of the listbox + indent
+    TPoint thumbWindowPt( Layout_Meta_Data::IsMirrored() ?
+                            listPaneLayoutRect.Rect().iTl.iX + indent :
+                            listPaneLayoutRect.Rect().iBr.iX - (indent + thumbWindowSize.iWidth),
+                          0 );
+
+    // thumbnail Y co-ordinate depends on the listbox focus position
+    const TPoint focusPt( iListBox->View()->ItemPos( iListBox->CurrentItemIndex() ) );
+    const TInt yMax( iListBox->View()->ViewRect().iBr.iY );
+
+    if ( iThumbnailLocation == ELocationHanging )
+    // thumbnail moves with the focus
+    	{
+    	// bottom Y of the focused listbox item
+        const TInt focusBottom( focusPt.iY + iListBox->ItemHeight() );
+
+        // place the thumbnail below the focus if there is enough space
+        if ( yMax - focusBottom >= thumbWindowSize.iHeight + indent )
+            {
+            thumbWindowPt.iY = focusBottom - iListBox->ItemHeight()/5;
+            }
+        else // otherwise place it above the focus
+            {
+            thumbWindowPt.iY = focusPt.iY + iListBox->ItemHeight()/4 - thumbWindowSize.iHeight;
+            }
+    	}
+    else if ( iThumbnailLocation == ELocationUpDown )
+    // thumbnail is placed at the top or bottom corner
+    	{
+    	thumbWindowPt.iY = indent; // default to top
+
+        // thumbnail is always at the top if focus is not visible
+    	if( iListBox->View()->ItemIsVisible( iListBox->CurrentItemIndex() ) )
+    	    {
+        	const TRect focusRect( focusPt, iListBox->View()->ItemSize() );
+        	const TRect thumbWindowRect( thumbWindowPt, thumbWindowSize );
+
+        	// place the thumbnail at the bottom if it overlaps the focus
+        	if( thumbWindowRect.Intersects( focusRect ) )
+        		{
+        		thumbWindowPt.iY = yMax - (indent + thumbWindowSize.iHeight);
+        		}
+            }
+    	}
+
+    SetExtent( thumbWindowPt, thumbWindowSize );
+    AknsUtils::RegisterControlPosition( this );
+    }
+
+// --------------------------------------------------------------------------
+//
+// --------------------------------------------------------------------------
+//
+void CPbk2ThumbnailPopupControl::HandleResourceChange(TInt aType)
+	{
+	CCoeControl::HandleResourceChange( aType );
+
+	if( aType == KEikDynamicLayoutVariantSwitch ||
+        aType == KAknsMessageSkinChange )
+		{
+		SetupSkinContext();
+		// This control may be invalid when it's invisible
+		// e.g. iThumbBackg,iThumbBackgMaksk may be destroyed
+		if ( IsVisible() )
+			{	
+			Layout();
+			}
+		}
+	}
+
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CPbk2ThumbnailPopupControl::SetupSkinContext()
+    {
+    delete iBgContext;
+    iBgContext = NULL;
+    iBgContext = CAknsBasicBackgroundControlContext::NewL( KAknsIIDQsnBgAreaMain, iListBox->Rect(), ETrue );
+    iBgContext->SetParentPos( iListBox->PositionRelativeToScreen() );
+    }
+
+
+//  End of File