diff --git a/akonadi/progressspinnerdelegate.cpp b/akonadi/progressspinnerdelegate.cpp index c37d6cb35..4502b69b8 100644 --- a/akonadi/progressspinnerdelegate.cpp +++ b/akonadi/progressspinnerdelegate.cpp @@ -1,103 +1,101 @@ /* Copyright (C) 2010 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.net, author Stephen Kelly This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "progressspinnerdelegate_p.h" #include "entitytreemodel.h" #include #include using namespace Akonadi; DelegateAnimator::DelegateAnimator(QAbstractItemView *view) - : QObject(view), m_view(view) + : QObject(view), m_view(view), m_timerId(-1) { - m_timerId = startTimer(40); - m_pixmapSequence = KPixmapSequence(QLatin1String("process-working"), 22); } void DelegateAnimator::timerEvent(QTimerEvent* event) { if (!(event->timerId() == m_timerId && m_view)) return QObject::timerEvent(event); QRegion region; foreach (const Animation &animation, m_animations) { // This repaints the entire delegate. // TODO: See if there's a way to repaint only part of it. animation.animate(); region += m_view->visualRect(animation.index); } m_view->viewport()->update(region); } QPixmap DelegateAnimator::sequenceFrame(const QModelIndex& index) { foreach(const Animation &animation, m_animations) { if (animation.index == index) { return m_pixmapSequence.frameAt(animation.frame); } } return QPixmap(); } ProgressSpinnerDelegate::ProgressSpinnerDelegate(DelegateAnimator *animator, QObject* parent) : QStyledItemDelegate(parent), m_animator(animator) { } void ProgressSpinnerDelegate::initStyleOption(QStyleOptionViewItem* option, const QModelIndex& index) const { QStyledItemDelegate::initStyleOption(option, index); const Akonadi::Collection collection = index.data(Akonadi::EntityTreeModel::CollectionRole).value(); if (!collection.isValid()) { m_animator->pop(index); return; } if (index.data(Akonadi::EntityTreeModel::FetchStateRole).toInt() != Akonadi::EntityTreeModel::FetchingState) { m_animator->pop(index); return; } m_animator->push(index); if (QStyleOptionViewItemV4 *v4 = qstyleoption_cast(option)) { v4->icon = m_animator->sequenceFrame(index); } } uint Akonadi::qHash(Akonadi::DelegateAnimator::Animation anim) { return qHash(anim.index); } diff --git a/akonadi/progressspinnerdelegate_p.h b/akonadi/progressspinnerdelegate_p.h index abb7bb28f..a5370178f 100644 --- a/akonadi/progressspinnerdelegate_p.h +++ b/akonadi/progressspinnerdelegate_p.h @@ -1,90 +1,98 @@ /* Copyright (C) 2010 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.net, author Stephen Kelly This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef PROGRESSSPINNERDELEGATE_P_H #define PROGRESSSPINNERDELEGATE_P_H #include #include #include namespace Akonadi { class DelegateAnimator : public QObject { Q_OBJECT public: DelegateAnimator(QAbstractItemView *view); - void push(const QModelIndex &index) { m_animations.insert(Animation(index)); } - void pop(const QModelIndex &index) { m_animations.remove(Animation(index)); } + void push(const QModelIndex &index) { + if (m_animations.isEmpty()) + m_timerId = startTimer(200); + m_animations.insert(Animation(index)); + } + void pop(const QModelIndex &index) { + m_animations.remove(Animation(index)); + if (m_animations.isEmpty()) + killTimer(m_timerId); + } QPixmap sequenceFrame(const QModelIndex &index); static const int sCount = 7; struct Animation { inline Animation(const QPersistentModelIndex &idx) : frame(0), index(idx) { } bool operator==(const Animation &other) const { return index == other.index; } inline void animate() const { frame = ++frame % sCount; } mutable int frame; QPersistentModelIndex index; }; protected: virtual void timerEvent(QTimerEvent *event); private: int m_timerId; mutable QSet m_animations; QAbstractItemView *m_view; KPixmapSequence m_pixmapSequence; }; uint qHash(Akonadi::DelegateAnimator::Animation anim); /** * */ class ProgressSpinnerDelegate : public QStyledItemDelegate { Q_OBJECT public: ProgressSpinnerDelegate(DelegateAnimator *animator, QObject* parent = 0); protected: virtual void initStyleOption(QStyleOptionViewItem* option, const QModelIndex& index) const; private: DelegateAnimator *m_animator; }; } #endif