logsui/logsapp/src/logspageindicatoritem.cpp
changeset 0 4a5361db8937
child 4 e52d42f9500c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/logsui/logsapp/src/logspageindicatoritem.cpp	Tue May 04 12:39:37 2010 +0300
@@ -0,0 +1,108 @@
+/*
+* 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:
+*
+*/
+
+#include <QGraphicsColorizeEffect>
+#include <QPropertyAnimation>
+
+#include "logspageindicatoritem.h"
+
+
+const char logsNormalIconName[]    = "qtg_graf_hspage_normal";//"qtg_mono_tab_passive";//
+const char logsHighlightIconName[] = "qtg_graf_hspage_highlight";//"qtg_mono_tab_active";//
+  
+const int logsEffectDurationInMs = 1000;
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+LogsPageIndicatorItem::LogsPageIndicatorItem(bool active, QGraphicsItem *parent)
+  : HbIconItem(parent),
+    mIsActive(active)
+{
+    if (active) {
+        setIcon(HbIcon(logsHighlightIconName));
+    } else {
+        setIcon(HbIcon(logsNormalIconName));
+    }
+
+    QGraphicsColorizeEffect *effect = new QGraphicsColorizeEffect;
+    effect->setColor(Qt::white);
+    effect->setStrength(0);
+    effect->setEnabled(false);
+    setGraphicsEffect(effect);
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+LogsPageIndicatorItem::~LogsPageIndicatorItem()
+{
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void LogsPageIndicatorItem::setActive(bool active)
+{
+    if (mIsActive != active) {
+        mIsActive = active;
+        if (mIsActive) {
+            setIcon(HbIcon(logsHighlightIconName));
+            startAnimation();
+        } else {
+            setIcon(HbIcon(logsNormalIconName));
+        }
+    }
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+bool LogsPageIndicatorItem::isActive() const
+{
+    return mIsActive;
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void LogsPageIndicatorItem::startAnimation()
+{
+    graphicsEffect()->setEnabled(true);
+    setTransformOriginPoint(rect().center());
+    QPropertyAnimation *animation = 
+        new QPropertyAnimation(graphicsEffect(), "strength");
+    animation->setDuration(logsEffectDurationInMs);
+    animation->setKeyValueAt(0.2, 1);
+    animation->setEndValue(0);
+    connect(animation, SIGNAL(finished()), SLOT(animationFinished()));
+    animation->start(QAbstractAnimation::DeleteWhenStopped);
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void LogsPageIndicatorItem::animationFinished()
+{
+    graphicsEffect()->setEnabled(false);
+}