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Diffstat (limited to 'hyperui/src/pageview.cpp')
| -rw-r--r-- | hyperui/src/pageview.cpp | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/hyperui/src/pageview.cpp b/hyperui/src/pageview.cpp new file mode 100644 index 0000000..3f3812d --- /dev/null +++ b/hyperui/src/pageview.cpp @@ -0,0 +1,246 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: openBossa - INdT (renato.chencarek@openbossa.org) +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** the openBossa stream from INdT (renato.chencarek@openbossa.org). +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QApplication> +#include <QGraphicsLinearLayout> +#include <QGraphicsSceneResizeEvent> + +#include "dataresource.h" +#include "view.h" +#include "button.h" +#include "pagemenu.h" +#include "pageview.h" + + +class PageSlot : public QGraphicsWidget +{ + Q_OBJECT + +public: + PageSlot(QGraphicsItem *parent = 0); + + View *contents() const; + void setContents(View *contents); + +protected: + void resizeEvent(QGraphicsSceneResizeEvent *event); + +private: + View *m_contents; +}; + + +PageSlot::PageSlot(QGraphicsItem *parent) + : QGraphicsWidget(parent), + m_contents(0) +{ + setFlags(QGraphicsItem::ItemHasNoContents); +} + +View *PageSlot::contents() const +{ + return m_contents; +} + +void PageSlot::setContents(View *contents) +{ + if (m_contents && m_contents->parentItem() == this) + m_contents->setParentItem(0); + + m_contents = contents; + + if (contents) { + contents->setParentItem(this); + contents->setGeometry(0, 0, size().width(), size().height()); + } +} + +void PageSlot::resizeEvent(QGraphicsSceneResizeEvent *event) +{ + QGraphicsWidget::resizeEvent(event); + + if (m_contents) + m_contents->resize(event->newSize()); +} + + +PageView::PageView(QGraphicsItem *parent) + : QGraphicsWidget(parent), + m_isBack(false), + m_isAnimating(false) +{ + m_topOffset = Resource::intValue("page-view/margin-top"); + + setFlag(QGraphicsItem::ItemHasNoContents); + + QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(Qt::Vertical); + layout->setContentsMargins(20 * 0.75, 40, 20 * 0.75, 0); + + QGraphicsLinearLayout *topLayout = new QGraphicsLinearLayout(Qt::Horizontal); + topLayout->setContentsMargins(0, 0, 0, 0); + + setLayout(layout); + layout->addItem(topLayout); + layout->addStretch(1); + + m_menu = new PageMenu(); + + m_backButton = new Button(Resource::pixmap("top_bt_back.png"), + QPixmap(), + Resource::pixmap("top_bt_back_disabled.png")); + + m_optionsButton = new Button(Resource::pixmap("top_bt_options.png"), + QPixmap(), + Resource::pixmap("top_bt_options_disabled.png")); + + connect(m_backButton, SIGNAL(clicked()), SLOT(backClicked())); + connect(m_optionsButton, SIGNAL(clicked()), SLOT(optionsClicked())); + + topLayout->addItem(m_optionsButton); + topLayout->addStretch(1); + topLayout->addItem(m_menu); + topLayout->addStretch(1); + topLayout->addItem(m_backButton); + + m_optionsButton->setEnabled(false); + + m_oldSlot = new PageSlot(this); + m_newSlot = new PageSlot(this); + m_oldSlot->setPos(0, m_topOffset); + m_newSlot->setPos(0, m_topOffset); +} + +bool PageView::add(View *view, bool keepAlive) +{ + if (!view || isAnimating()) + return false; + + view->setPageView(this); + m_keepAlive[view] = keepAlive; + + if (m_views.isEmpty()) { + m_views.push(view); + m_menu->setText(view->title()); + m_oldSlot->setContents(view); + } else + animateTransition(m_views.top(), view, false); + + return true; +} + +bool PageView::back() +{ + if (m_views.count() < 2 || isAnimating()) + return false; + + View *oldView = m_views.pop(); + View *newView = m_views.top(); + + animateTransition(oldView, newView, true); + return true; +} + +bool PageView::isAnimating() const +{ + return m_isAnimating; +} + +void PageView::backClicked() +{ + if (isAnimating()) + return; + + if (m_views.count() < 2) + QApplication::quit(); + else + back(); +} + +void PageView::optionsClicked() +{ + qWarning("options clicked"); +} + +void PageView::transitionFinished() +{ + View *newView = m_newSlot->contents(); + View *oldView = m_oldSlot->contents(); + + disconnect(newView, SIGNAL(transitionInFinished()), + this, SLOT(transitionFinished())); + disconnect(oldView, SIGNAL(transitionOutFinished()), + newView, SLOT(doTransitionOut())); + + if (m_isBack) { + m_oldSlot->setContents(0); + bool keepAlive = m_keepAlive[oldView]; + m_keepAlive.remove(oldView); + if (!keepAlive) + delete oldView; + } else { + oldView->hide(); + m_views.push(newView); + } + + m_isAnimating = false; + m_menu->setText(newView->title()); +} + +void PageView::animateTransition(View *oldView, View *newView, bool isBack) +{ + m_isAnimating = true; + + m_isBack = isBack; + m_oldSlot->setContents(oldView); + m_newSlot->setContents(newView); + + newView->show(); + + connect(newView, SIGNAL(transitionInFinished()), + this, SLOT(transitionFinished())); + connect(oldView, SIGNAL(transitionOutFinished()), + newView, SLOT(doTransitionIn())); + + oldView->doTransitionOut(); +} + +void PageView::resizeEvent(QGraphicsSceneResizeEvent *event) +{ + QGraphicsWidget::resizeEvent(event); + + QSizeF newSize = event->newSize(); + newSize.setHeight(newSize.height() - m_topOffset); + + m_oldSlot->resize(newSize); + m_newSlot->resize(newSize); +} + +#include "pageview.moc" |