Fixes the multiple preview/walet bars in a single tab.

This also adds a colorful blink effect when an already visible
bar is requested again.

1 files changed, 86 insertions, 0 deletions

diff --git a/src/notificationbar.cpp b/src/notificationbar.cpp
new file mode 100644
index 00000000..4325d73b
--- /dev/null
+++ b/src/notificationbar.cpp
@@ -0,0 +1,86 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2010 by Pierre Rossi <pierre dot rossi at gmail dot com>
+*
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License as
+* published by the Free Software Foundation; either version 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy
+* defined in Section 14 of version 3 of the license.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+* ============================================================ */
+#include <QApplication>
+#include <QColor>
+#include <QGraphicsEffect>
+#include <QPainter>
+#include <QPropertyAnimation>
+
+#include "notificationbar.h"
+
+
+class BlinkEffect : public QGraphicsEffect
+{
+    Q_OBJECT
+    Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity)
+
+public:
+    BlinkEffect(QObject *parent = 0)
+        : QGraphicsEffect(parent)
+        , m_opacity(0)
+        , m_backgroundColor(QApplication::palette().highlight().color().lighter())
+    {}
+
+    qreal opacity() const { return m_opacity; }
+    void setOpacity(qreal opacity)
+    {
+        m_opacity = opacity;
+        update();
+    }
+
+protected:
+    void draw(QPainter *painter)
+    {
+        painter->drawPixmap(QPoint(0,0), sourcePixmap());
+        painter->setOpacity(m_opacity);
+        painter->fillRect(boundingRect(), m_backgroundColor);
+    }
+
+private:
+    double m_opacity;
+    QColor m_backgroundColor;
+
+};
+
+
+NotificationBar::NotificationBar(QWidget *parent)
+    : QWidget(parent)
+    , m_blinkEffect(new BlinkEffect(this))
+    , m_opacityAnimation(new QPropertyAnimation(m_blinkEffect, "opacity"))
+{
+    m_blinkEffect->setOpacity(0);
+    setGraphicsEffect(m_blinkEffect);
+}
+
+void NotificationBar::notifyUser(int animationDuration)
+{
+    m_opacityAnimation->setDuration(animationDuration);
+    m_opacityAnimation->setStartValue(0.9);
+    m_opacityAnimation->setEndValue(0.0);
+    m_opacityAnimation->start();
+
+}
+
+#include "notificationbar.moc"