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.

8 files changed, 164 insertions, 31 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ef623499..5f99a608 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -16,6 +16,7 @@ SET( rekonq_KDEINIT_SRCS
     mainwindow.cpp
     networkaccessmanager.cpp
     newtabpage.cpp
+    notificationbar.cpp
     paneltreeview.cpp
     previewselectorbar.cpp
     protocolhandler.cpp
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"
diff --git a/src/notificationbar.h b/src/notificationbar.h
new file mode 100644
index 00000000..15b0255c
--- /dev/null
+++ b/src/notificationbar.h
@@ -0,0 +1,49 @@
+/* ============================================================
+*
+* 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/>.
+*
+* ============================================================ */
+
+#ifndef NOTIFICATIONBAR_H
+#define NOTIFICATIONBAR_H
+
+// Qt Includes
+#include <QWidget>
+
+// Forward Declarations
+class QPropertyAnimation;
+class BlinkEffect;
+
+class NotificationBar : public QWidget
+{
+public:
+    explicit NotificationBar(QWidget *parent = 0);
+
+    void notifyUser(int animationDuration = 500);
+
+private:
+    BlinkEffect *m_blinkEffect;
+    QPropertyAnimation *m_opacityAnimation;
+
+};
+
+#endif // NOTIFICATIONBAR_H
diff --git a/src/previewselectorbar.cpp b/src/previewselectorbar.cpp
index 2dcdbeff..209a0a92 100644
--- a/src/previewselectorbar.cpp
+++ b/src/previewselectorbar.cpp
@@ -51,7 +51,7 @@
 
 
 PreviewSelectorBar::PreviewSelectorBar(int index, QWidget* parent)
-        : QWidget(parent)
+        : NotificationBar(parent)
         , m_button(0)
         , m_label(0)
         , m_previewIndex(index)
diff --git a/src/previewselectorbar.h b/src/previewselectorbar.h
index ff2c7e2a..214514db 100644
--- a/src/previewselectorbar.h
+++ b/src/previewselectorbar.h
@@ -30,16 +30,14 @@
 
 // Rekonq Includes
 #include "rekonq_defines.h"
-
-// Qt Includes
-#include <QtGui/QWidget>
+#include "notificationbar.h"
 
 // Forward Declarations
 class QLabel;
 class QPushButton;
 
 
-class REKONQ_TESTS_EXPORT PreviewSelectorBar : public QWidget
+class REKONQ_TESTS_EXPORT PreviewSelectorBar : public NotificationBar
 {
     Q_OBJECT
 
diff --git a/src/walletbar.cpp b/src/walletbar.cpp
index f02c74b8..c2397da9 100644
--- a/src/walletbar.cpp
+++ b/src/walletbar.cpp
@@ -43,7 +43,7 @@
 
 
 WalletBar::WalletBar(QWidget *parent)
-        : QWidget(parent)
+        : NotificationBar(parent)
         , m_label(new QLabel(this))
 {
     m_label->setWordWrap(true);
diff --git a/src/walletbar.h b/src/walletbar.h
index a33dc4d3..afd657f4 100644
--- a/src/walletbar.h
+++ b/src/walletbar.h
@@ -30,15 +30,14 @@
 
 // Rekonq Includes
 #include "rekonq_defines.h"
+#include "notificationbar.h"
 
 // Qt Includes
 #include <QtCore/QUrl>
-#include <QtGui/QWidget>
 
 class QLabel;
 
-
-class REKONQ_TESTS_EXPORT WalletBar : public QWidget
+class REKONQ_TESTS_EXPORT WalletBar : public NotificationBar
 {
     Q_OBJECT
 
diff --git a/src/webtab.cpp b/src/webtab.cpp
index a9a43bd9..02c94d32 100644
--- a/src/webtab.cpp
+++ b/src/webtab.cpp
@@ -129,35 +129,35 @@ void WebTab::createWalletBar(const QString &key, const QUrl &url)
     if (blackList.contains(urlString))
         return;
 
-    if(!_walletBar.isNull())
-    {
-        _walletBar.clear();
+    if(_walletBar.isNull()) {
+        _walletBar = new WalletBar(this);
+        KWebWallet *wallet = page()->wallet();
+        _walletBar.data()->onSaveFormData(key, url);
+        qobject_cast<QVBoxLayout *>(layout())->insertWidget(0, _walletBar.data() );
+
+        connect(_walletBar.data(), SIGNAL(saveFormDataAccepted(const QString &)),
+                wallet, SLOT(acceptSaveFormDataRequest(const QString &)));
+        connect(_walletBar.data(), SIGNAL(saveFormDataRejected(const QString &)),
+                wallet, SLOT(rejectSaveFormDataRequest(const QString &)));
+    } else {
+        _walletBar.data()->notifyUser();
     }
-    KWebWallet *wallet = page()->wallet();
-    _walletBar = new WalletBar(this);
-    _walletBar.data()->onSaveFormData(key, url);
-    qobject_cast<QVBoxLayout *>(layout())->insertWidget(0, _walletBar.data() );
-
-    connect(_walletBar.data(), SIGNAL(saveFormDataAccepted(const QString &)),
-            wallet, SLOT(acceptSaveFormDataRequest(const QString &)));
-    connect(_walletBar.data(), SIGNAL(saveFormDataRejected(const QString &)),
-            wallet, SLOT(rejectSaveFormDataRequest(const QString &)));
 }
 
 
 void WebTab::createPreviewSelectorBar(int index)
 {
-    if(!_previewSelectorBar.isNull())
-    {
-        _previewSelectorBar.clear();
+    if(_previewSelectorBar.isNull()) {
+        _previewSelectorBar = new PreviewSelectorBar(index, this);
+        qobject_cast<QVBoxLayout *>(layout())->insertWidget(0, _previewSelectorBar.data());
+
+        connect(page(),             SIGNAL(loadStarted()),      _previewSelectorBar.data(), SLOT(loadProgress()));
+        connect(page(),             SIGNAL(loadProgress(int)),  _previewSelectorBar.data(), SLOT(loadProgress()));
+        connect(page(),             SIGNAL(loadFinished(bool)), _previewSelectorBar.data(), SLOT(loadFinished()));
+        connect(page()->mainFrame(), SIGNAL(urlChanged(QUrl)),  _previewSelectorBar.data(), SLOT(verifyUrl()));
+    } else {
+        _previewSelectorBar.data()->notifyUser();
     }
-    _previewSelectorBar = new PreviewSelectorBar(index, this);
-    qobject_cast<QVBoxLayout *>(layout())->insertWidget(0, _previewSelectorBar.data());
-
-    connect(page(),             SIGNAL(loadStarted()),      _previewSelectorBar.data(), SLOT(loadProgress()));
-    connect(page(),             SIGNAL(loadProgress(int)),  _previewSelectorBar.data(), SLOT(loadProgress()));
-    connect(page(),             SIGNAL(loadFinished(bool)), _previewSelectorBar.data(), SLOT(loadFinished()));
-    connect(page()->mainFrame(), SIGNAL(urlChanged(QUrl)),  _previewSelectorBar.data(), SLOT(verifyUrl()));
 }