--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ganeswidgets/src/HgImageFader.cpp Mon Apr 19 14:40:06 2010 +0300
@@ -0,0 +1,80 @@
+/*
+* 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:
+*
+*/
+/*
+ * HgImageFader.cpp
+ *
+ * Created on: Feb 10, 2010
+ * Author: anpentti
+ */
+
+#include "HgImageFader.h"
+#include "hgimage.h"
+
+HgImageFader::HgImageFader()
+{
+ QObject::connect(&mTimer, SIGNAL(timeout()), this, SLOT(doFading()));
+}
+
+HgImageFader::~HgImageFader()
+{
+ if (mTimer.isActive())
+ mTimer.stop();
+}
+
+void HgImageFader::addImage(HgImage* image)
+{
+ mImages.push_back(image);
+}
+
+void HgImageFader::removeImage(HgImage* image)
+{
+ mImages.removeOne(image);
+}
+
+void HgImageFader::fadeImages()
+{
+ if (!mImages.empty() && !mTimer.isActive())
+ {
+ mTimer.start(10);
+ }
+}
+
+void HgImageFader::doFading()
+{
+ QLinkedList<HgImage*>::iterator i = mImages.begin();
+ while (i != mImages.end())
+ {
+ HgImage* image = (*i);
+ image->setAlpha(image->alpha() + 0.1f);
+ if (image->alpha() >= 1.0f)
+ {
+ image->setAlpha(1.0f);
+ i = mImages.erase(i);
+ }
+ else
+ {
+ i++;
+ }
+ }
+
+ //emit doUpdate();
+
+ if (mImages.empty())
+ {
+ mTimer.stop();
+ }
+}