ginebra2/animators/FadeAnimator.cpp
changeset 0 1450b09d0cfd
child 3 0954f5dd2cd0
child 5 0f2326c2a325
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ginebra2/animators/FadeAnimator.cpp	Tue May 04 12:39:35 2010 +0300
@@ -0,0 +1,50 @@
+/*
+* Copyright (c) 2010 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: 
+*
+*/
+
+
+#include "FadeAnimator.h"
+#include "../ChromeSnippet.h"
+#include <QList>
+#include <QDebug>
+
+namespace GVA {
+
+FadeAnimator::FadeAnimator(ChromeSnippet* m_snippet) 
+  : VisibilityAnimator(m_snippet),
+    m_minOpacity(0.1)
+{
+  // If the snippet is currently hidden, it will be shown
+  // before the animator starts. It should therefore show
+  // with minimum opacity.
+
+  if(m_snippet->widget() && !m_snippet->widget()->isVisible())
+    m_snippet->widget()->setOpacity(m_minOpacity);
+}
+
+FadeAnimator::~FadeAnimator()
+{
+}
+
+void FadeAnimator::updateVisibility(qreal step)
+{
+  qreal o = 1.0 - step;
+  m_snippet->widget()->setOpacity((o > m_minOpacity)?o:m_minOpacity);
+      
+  qDebug() << step;
+}
+
+}