photosgallery/viewframework/visuallistmanager/src/glxvisuallistwindow.cpp
changeset 0 4e91876724a2
child 9 6b87b143d312
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/visuallistmanager/src/glxvisuallistwindow.cpp	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,299 @@
+/*
+* Copyright (c) 2008-2009 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:    Visual list manager
+*
+*/
+
+
+
+
+/**
+ * @internal reviewed 04/07/2007 by M Byrne
+ */
+
+#include "glxvisuallistwindow.h" 
+
+#include <coemain.h>
+#include <alf/alfimagevisual.h>
+#include <alf/alfanchorlayout.h>
+#include <alf/alfenv.h> 
+#include <alf/alfbrush.h>
+#include <alf/alfcontrolgroup.h>
+#include <alf/alfborderbrush.h>
+#include <alf/alfdecklayout.h>
+#include <glxlog.h>
+#include <glxtracer.h>
+#include <mpxmediageneraldefs.h>
+#include <AknUtils.h>
+#include "mglxmedialistobserver.h"
+#include "glxuiutility.h"
+#include "glxitemvisual.h"
+#include <glxtexturemanager.h>
+#include "glxvisuallistcontrol.h"
+#include <mglxanimation.h>
+#include <mglxmedialist.h>
+#include <glxthumbnailutility.h>
+#include <glxuistd.h>
+#include "glxlistwindow.h"
+#include "glxitemvisual.h"
+// -----------------------------------------------------------------------------
+// Constructor
+// -----------------------------------------------------------------------------
+CGlxVisualListWindow* CGlxVisualListWindow::NewL( CGlxVisualListControl* aControl,
+    MGlxMediaList* aMediaList, CGlxUiUtility* aUiUtility,
+        CAlfImageVisual::TScaleMode aThumbnailScaleMode )
+    {
+    TRACER("CGlxVisualListWindow::NewL");
+    GLX_LOG_INFO("CGlxVisualListWindow::NewL");
+    CGlxVisualListWindow* self = new (ELeave) CGlxVisualListWindow();
+    CleanupStack::PushL( self );
+    
+    self->iControl = aControl;    
+    self->iMediaList = aMediaList;
+    self->iUiUtility = aUiUtility;
+    self->iScaleMode = aThumbnailScaleMode;
+    self->ConstructL(); // Construct base class
+    
+    CleanupStack::Pop( self );
+    return self;
+  
+    }
+      
+      
+ CGlxVisualListWindow::CGlxVisualListWindow(): 
+ 	CGlxListWindow( static_cast< MGlxWindowObjectFactory& > ( *this ) )
+	 {
+	 	
+	 }
+ 
+CBase* CGlxVisualListWindow::CreateObjectL() const
+	{
+	TRACER("CGlxVisualListWindow::CreateObjectL");
+    GLX_LOG_INFO("CGlxVisualListWindow::CreateObjectL");
+	
+	CGlxVisualObject* object = CGlxVisualObject::NewLC( *(const_cast<CGlxVisualListWindow*>(this)) ,*iMediaList  );
+	CleanupStack::Pop( object );
+	return object;
+	
+	}
+	
+	
+ void CGlxVisualListWindow::SetupObject(TInt aIndex, CBase& aObject ) 
+	 {
+	 TRACER("CGlxVisualListWindow::SetupObject");
+	 GLX_LOG_INFO("CGlxVisualListWindow::SetupObject");
+	 TRAP_IGNORE(SetupObjectL( aIndex, aObject ));
+	 }
+// -----------------------------------------------------------------------------
+// SetupObjectL
+// -----------------------------------------------------------------------------
+void CGlxVisualListWindow::SetupObjectL( TInt aIndex, CBase& aObject )
+    {
+    TRACER("CGlxVisualListWindow::SetupObjectL 2");
+    GLX_LOG_INFO("CGlxVisualListWindow::SetupObjectL 2");
+    CGlxVisualObject& object = static_cast< CGlxVisualObject& >( aObject );
+	// set the index
+	object.SetIndex( aIndex );
+    
+    // No easy way to get rid of this trap. Would be possible to do
+    // multiple objects within the same trap by modifying the CGlxListWindowBase
+    // but would be surprising if this TRAP is a actually a performance problem
+
+    // create texture from thumbnail 
+    //TSize visSize = object.Visual()->Size().ValueNow().AsSize();
+	TSize visSize =iUiUtility->DisplaySize();
+    
+    CAlfTexture* texture = NULL; 
+    
+    // media will be null if aMedia's Properties are not available
+    // so furtur operation need to be cancle
+    if ( iMediaList->Item( aIndex ).Properties() == NULL)
+        {
+        texture = &iUiUtility->Env()->TextureManager().BlankTexture(); 
+        } 
+    else
+        {
+        TRAPD(err, texture = &iUiUtility->GlxTextureManager().CreateThumbnailTextureL(
+                iMediaList->Item( aIndex ),iMediaList->IdSpaceId( aIndex ), visSize, &object ));
+        if(err != KErrNone)
+            {        
+            texture = &iUiUtility->Env()->TextureManager().BlankTexture();        
+            }
+        }   
+    // add the texture and its id for the visual object
+	object.SetImage(TAlfImage( *texture  ));
+	
+	TSize imageSize ;
+	iMediaList->Item( aIndex ).GetDimensions(imageSize);	
+    // Set scale mode to EScaleFitInside if the Image is bigger then screen
+    // or to scale the grid size thumbnails if full thumbnail is not available while fast swipe
+	if ( imageSize.iWidth >= visSize.iWidth || imageSize.iHeight >= visSize.iHeight 
+			||(texture->Size().iHeight < imageSize.iHeight  && texture->Size().iWidth < imageSize.iWidth ))
+		{
+		object.SetScaleMode(CAlfImageVisual::EScaleFitInside);		
+		}		
+			    
+    // show the object. do this before notifying control, to show
+    // at the image if control leaves
+    object.SetVisible( ETrue );
+    
+    // notify observer
+    iControl->HandleVisualAddedL( object.Visual(), aIndex );
+    }
+
+ void CGlxVisualListWindow::CleanupObject(TInt aListIndex, CBase& aObject) 
+	{
+	TRACER("CGlxVisualListWindow::CleanupObject");
+    GLX_LOG_INFO("CGlxVisualListWindow::CleanupObject");
+	CGlxVisualObject& object = static_cast< CGlxVisualObject& >( aObject );
+
+    object.Reset();
+    
+	iControl->HandleVisualRemoved( object.Visual() );	
+	}
+
+// -----------------------------------------------------------------------------
+// GetObjectL
+// -----------------------------------------------------------------------------
+CGlxVisualObject* CGlxVisualListWindow::GetObjectL( TInt aListIndex )
+	{
+	TRACER("CGlxVisualListWindow::GetObjectL");
+    GLX_LOG_INFO1("CGlxVisualListWindow::GetObjectL %d", aListIndex);
+	// create the object
+    CGlxVisualObject* listObj = 
+        CGlxVisualObject::NewLC( *this, *iMediaList );
+    CleanupStack::Pop( listObj );
+	return listObj;
+	}
+
+// -----------------------------------------------------------------------------
+// CleanupObject
+// -----------------------------------------------------------------------------
+void CGlxVisualListWindow::CleanupObject( TInt aWindowIndex )
+	{
+	TRACER("CGlxVisualListWindow::CleanupObject 2");
+    GLX_LOG_INFO1("CGlxVisualListWindow::CleanupObject 2 %d",aWindowIndex);
+	CGlxVisualObject* item = ObjectByIndex( aWindowIndex);
+	CAlfVisual* visual = item->Visual();
+	
+	iControl->HandleVisualRemoved( visual );
+	}
+
+// -----------------------------------------------------------------------------
+// PostObjectsAdded
+// -----------------------------------------------------------------------------	
+void CGlxVisualListWindow::PostObjectsAdded( RArray<TInt>& aAddedAtListIndexes )	
+    {
+    /*
+   TInt count = aAddedAtListIndexes.Count();
+    // step through array and notify our observers
+    // cant leave so need to just ignore the error
+    TRAP_IGNORE( 
+        {
+        for(TInt i = 0; i < count; i++ )
+            {
+            TInt listIdx = aAddedAtListIndexes[i];
+            //TInt idx =  ListIndexToWindowIndex( listIdx );
+            //CGlxVisualObject* item = ObjectByIndex( idx);
+    	    //iControl->HandleVisualAddedL( item->Visual(), listIdx );
+            }
+        }); 
+       */
+    }
+
+// -----------------------------------------------------------------------------
+// SetFocusIndexL
+// -----------------------------------------------------------------------------
+void CGlxVisualListWindow::SetFocusIndexL( TInt aFocusIndex )
+	{
+	TRACER("CGlxVisualListWindow::SetFocusIndexL");
+    GLX_LOG_INFO1("CGlxVisualListWindow::SetFocusIndexL %d",aFocusIndex);
+	CGlxListWindow::SetFocusIndex( aFocusIndex );
+	
+	UpdatePositions();
+
+	}
+
+// -----------------------------------------------------------------------------
+// UpdatePositions
+// -----------------------------------------------------------------------------
+void CGlxVisualListWindow::UpdatePositions()
+	{
+	TRACER("CGlxVisualListWindow::UpdatePositions");
+    GLX_LOG_INFO("CGlxVisualListWindow::UpdatePositions");
+	// Set positions of items in the window to current list index.
+    TGlxWindowIterator iterator = Iterator();
+    TInt index = 0;
+    while ( KErrNotFound != ( index = iterator++ ) )
+        {
+		CGlxVisualObject* visualObj = ObjectByIndex( index );
+		// set index for the visual
+		visualObj->SetIndex( index );
+		// get screen size
+		TSize screenSize = iUiUtility->DisplaySize();
+		// update the layout data
+		visualObj->RefreshLayout(screenSize);                        
+        }
+	}
+
+// -----------------------------------------------------------------------------
+// Layout
+// -----------------------------------------------------------------------------
+CAlfLayout* CGlxVisualListWindow::Layout()
+	{
+	TRACER("CGlxVisualListWindow::Layout");
+    GLX_LOG_INFO("CGlxVisualListWindow::Layout");
+	return static_cast<CAlfLayout*>(iControl->iParentLayout);
+	}
+
+// -----------------------------------------------------------------------------
+// VisualOwner
+// -----------------------------------------------------------------------------
+CAlfControl& CGlxVisualListWindow::VisualOwner()
+	{
+	TRACER("CGlxVisualListWindow::VisualOwner");
+    GLX_LOG_INFO("CGlxVisualListWindow::VisualOwner");
+	return *iControl;
+	}
+
+// -----------------------------------------------------------------------------
+// BorderBrush
+// -----------------------------------------------------------------------------
+CAlfBrush* CGlxVisualListWindow::BorderBrush()
+	{
+	TRACER("CGlxVisualListWindow::BorderBrush");
+    GLX_LOG_INFO("CGlxVisualListWindow::BorderBrush");
+	return iControl->iBorderBrush;
+	}
+
+// -----------------------------------------------------------------------------
+// ThumbnailScaleMode
+// -----------------------------------------------------------------------------
+CAlfImageVisual::TScaleMode CGlxVisualListWindow::ThumbnailScaleMode()
+    {
+    TRACER("CGlxVisualListWindow::ThumbnailScaleMode");
+    GLX_LOG_INFO("CGlxVisualListWindow::ThumbnailScaleMode");
+    return iScaleMode;
+    }
+
+// -----------------------------------------------------------------------------
+// Return visual object by index
+// -----------------------------------------------------------------------------
+CGlxVisualObject* CGlxVisualListWindow::ObjectByIndex( TInt aIndex ) 
+    {
+    TRACER("CGlxVisualListWindow::ObjectByIndex");
+    GLX_LOG_INFO("CGlxVisualListWindow::ObjectByIndex");
+    return static_cast< CGlxVisualObject* >( At( aIndex ) );
+    }
+