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Diffstat (limited to 'src/quicktemplates2/qquickstackview_p.cpp')
| -rw-r--r-- | src/quicktemplates2/qquickstackview_p.cpp | 350 |
1 files changed, 0 insertions, 350 deletions
diff --git a/src/quicktemplates2/qquickstackview_p.cpp b/src/quicktemplates2/qquickstackview_p.cpp deleted file mode 100644 index 13e79e0e..00000000 --- a/src/quicktemplates2/qquickstackview_p.cpp +++ /dev/null @@ -1,350 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL3$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPLv3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or later as published by the Free -** Software Foundation and appearing in the file LICENSE.GPL included in -** the packaging of this file. Please review the following information to -** ensure the GNU General Public License version 2.0 requirements will be -** met: http://www.gnu.org/licenses/gpl-2.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickstackview_p_p.h" -#include "qquickstackelement_p_p.h" -#include "qquickstacktransition_p_p.h" - -#include <QtQml/qqmlinfo.h> -#include <QtQml/qqmllist.h> -#include <QtQml/private/qv4qmlcontext_p.h> -#include <QtQml/private/qv4qobjectwrapper_p.h> -#include <QtQml/private/qv4variantobject_p.h> -#include <QtQml/private/qv4urlobject_p.h> -#include <QtQuick/private/qquickanimation_p.h> -#include <QtQuick/private/qquicktransition_p.h> - -QT_BEGIN_NAMESPACE - -void QQuickStackViewPrivate::warn(const QString &error) -{ - Q_Q(QQuickStackView); - if (operation.isEmpty()) - qmlWarning(q) << error; - else - qmlWarning(q) << operation << ": " << error; -} - -void QQuickStackViewPrivate::warnOfInterruption(const QString &attemptedOperation) -{ - Q_Q(QQuickStackView); - qmlWarning(q) << "cannot " << attemptedOperation << " while already in the process of completing a " << operation; -} - -void QQuickStackViewPrivate::setCurrentItem(QQuickStackElement *element) -{ - Q_Q(QQuickStackView); - QQuickItem *item = element ? element->item : nullptr; - if (currentItem == item) - return; - - currentItem = item; - if (element) - element->setVisible(true); - if (item) - item->setFocus(true); - emit q->currentItemChanged(); -} - -static bool initProperties(QQuickStackElement *element, const QV4::Value &props, QQmlV4Function *args) -{ - if (props.isObject()) { - const QV4::QObjectWrapper *wrapper = props.as<QV4::QObjectWrapper>(); - if (!wrapper) { - QV4::ExecutionEngine *v4 = args->v4engine(); - element->properties.set(v4, props); - element->qmlCallingContext.set(v4, v4->qmlContext()); - return true; - } - } - return false; -} - -QList<QQuickStackElement *> QQuickStackViewPrivate::parseElements(int from, QQmlV4Function *args, QStringList *errors) -{ - QV4::ExecutionEngine *v4 = args->v4engine(); - auto context = v4->callingQmlContext(); - QV4::Scope scope(v4); - - QList<QQuickStackElement *> elements; - - int argc = args->length(); - for (int i = from; i < argc; ++i) { - QV4::ScopedValue arg(scope, (*args)[i]); - if (QV4::ArrayObject *array = arg->as<QV4::ArrayObject>()) { - const uint len = uint(array->getLength()); - for (uint j = 0; j < len; ++j) { - QString error; - QV4::ScopedValue value(scope, array->get(j)); - QQuickStackElement *element = createElement(value, context, &error); - if (element) { - if (j < len - 1) { - QV4::ScopedValue props(scope, array->get(j + 1)); - if (initProperties(element, props, args)) - ++j; - } - elements += element; - } else if (!error.isEmpty()) { - *errors += error; - } - } - } else { - QString error; - QQuickStackElement *element = createElement(arg, context, &error); - if (element) { - if (i < argc - 1) { - QV4::ScopedValue props(scope, (*args)[i + 1]); - if (initProperties(element, props, args)) - ++i; - } - elements += element; - } else if (!error.isEmpty()) { - *errors += error; - } - } - } - return elements; -} - -QQuickStackElement *QQuickStackViewPrivate::findElement(QQuickItem *item) const -{ - if (item) { - for (QQuickStackElement *e : qAsConst(elements)) { - if (e->item == item) - return e; - } - } - return nullptr; -} - -QQuickStackElement *QQuickStackViewPrivate::findElement(const QV4::Value &value) const -{ - if (const QV4::QObjectWrapper *o = value.as<QV4::QObjectWrapper>()) - return findElement(qobject_cast<QQuickItem *>(o->object())); - return nullptr; -} - -static QUrl resolvedUrl(const QUrl &url, const QQmlRefPointer<QQmlContextData> &context) -{ - if (url.isRelative()) - return context->resolvedUrl(url).toString(); - return url; -} - -static QString resolvedUrl(const QString &str, const QQmlRefPointer<QQmlContextData> &context) -{ - QUrl url(str); - if (url.isRelative()) - return context->resolvedUrl(url).toString(); - return str; -} - -QQuickStackElement *QQuickStackViewPrivate::createElement(const QV4::Value &value, const QQmlRefPointer<QQmlContextData> &context, QString *error) -{ - Q_Q(QQuickStackView); - if (const QV4::String *s = value.as<QV4::String>()) - return QQuickStackElement::fromString(resolvedUrl(s->toQString(), context), q, error); - if (const QV4::QObjectWrapper *o = value.as<QV4::QObjectWrapper>()) - return QQuickStackElement::fromObject(o->object(), q, error); - if (const QV4::UrlObject *u = value.as<QV4::UrlObject>()) - return QQuickStackElement::fromString(resolvedUrl(u->href(), context), q, error); - - if (const QV4::Object *v = value.as<QV4::Object>()) { - const QVariant data = v->engine()->toVariant(value, QMetaType::QUrl); - if (data.typeId() == QMetaType::QUrl) { - return QQuickStackElement::fromString(resolvedUrl(data.toUrl(), context).toString(), q, - error); - } - } - - return nullptr; -} - -bool QQuickStackViewPrivate::pushElements(const QList<QQuickStackElement *> &elems) -{ - Q_Q(QQuickStackView); - if (!elems.isEmpty()) { - for (QQuickStackElement *e : elems) { - e->setIndex(elements.count()); - elements += e; - } - return elements.top()->load(q); - } - return false; -} - -bool QQuickStackViewPrivate::pushElement(QQuickStackElement *element) -{ - if (element) - return pushElements(QList<QQuickStackElement *>() << element); - return false; -} - -bool QQuickStackViewPrivate::popElements(QQuickStackElement *element) -{ - Q_Q(QQuickStackView); - while (elements.count() > 1 && elements.top() != element) { - delete elements.pop(); - if (!element) - break; - } - return elements.top()->load(q); -} - -bool QQuickStackViewPrivate::replaceElements(QQuickStackElement *target, const QList<QQuickStackElement *> &elems) -{ - if (target) { - while (!elements.isEmpty()) { - QQuickStackElement* top = elements.pop(); - delete top; - if (top == target) - break; - } - } - return pushElements(elems); -} - -void QQuickStackViewPrivate::ensureTransitioner() -{ - if (!transitioner) { - transitioner = new QQuickItemViewTransitioner; - transitioner->setChangeListener(this); - } -} - -void QQuickStackViewPrivate::startTransition(const QQuickStackTransition &first, const QQuickStackTransition &second, bool immediate) -{ - if (first.element) - first.element->transitionNextReposition(transitioner, first.type, first.target); - if (second.element) - second.element->transitionNextReposition(transitioner, second.type, second.target); - - if (first.element) { - if (immediate || !first.element->item || !first.element->prepareTransition(transitioner, first.viewBounds)) - completeTransition(first.element, first.transition, first.status); - else - first.element->startTransition(transitioner, first.status); - } - if (second.element) { - if (immediate || !second.element->item || !second.element->prepareTransition(transitioner, second.viewBounds)) - completeTransition(second.element, second.transition, second.status); - else - second.element->startTransition(transitioner, second.status); - } - - if (transitioner) { - setBusy(!transitioner->runningJobs.isEmpty()); - transitioner->resetTargetLists(); - } -} - -void QQuickStackViewPrivate::completeTransition(QQuickStackElement *element, QQuickTransition *transition, QQuickStackView::Status status) -{ - element->setStatus(status); - if (transition) { - // TODO: add a proper way to complete a transition - QQmlListProperty<QQuickAbstractAnimation> animations = transition->animations(); - int count = animations.count(&animations); - for (int i = 0; i < count; ++i) { - QQuickAbstractAnimation *anim = animations.at(&animations, i); - anim->complete(); - } - } - viewItemTransitionFinished(element); -} - -void QQuickStackViewPrivate::viewItemTransitionFinished(QQuickItemViewTransitionableItem *transitionable) -{ - QQuickStackElement *element = static_cast<QQuickStackElement *>(transitionable); - if (element->status == QQuickStackView::Activating) { - element->setStatus(QQuickStackView::Active); - } else if (element->status == QQuickStackView::Deactivating) { - element->setStatus(QQuickStackView::Inactive); - QQuickStackElement *existingElement = element->item ? findElement(element->item) : nullptr; - // If a different element with the same item is found, - // do not call setVisible(false) since it needs to be visible. - if (!existingElement || element == existingElement) - element->setVisible(false); - if (element->removal || element->isPendingRemoval()) - removed += element; - } - - if (transitioner && transitioner->runningJobs.isEmpty()) { - // ~QQuickStackElement() emits QQuickStackViewAttached::removed(), which may be used - // to modify the stack. Set the status first and make a copy of the destroyable stack - // elements to exclude any modifications that may happen during qDeleteAll(). (QTBUG-62153) - setBusy(false); - QList<QQuickStackElement*> removedElements = removed; - removed.clear(); - - for (QQuickStackElement *removedElement : qAsConst(removedElements)) { - // If an element with the same item is found in the active stack list, - // forget about the item so that we don't hide it. - if (removedElement->item && findElement(removedElement->item)) { - QQuickItemPrivate::get(removedElement->item)->removeItemChangeListener(removedElement, QQuickItemPrivate::Destroyed); - removedElement->item = nullptr; - } - } - - qDeleteAll(removedElements); - } - - removing.remove(element); -} - -void QQuickStackViewPrivate::setBusy(bool b) -{ - Q_Q(QQuickStackView); - if (busy == b) - return; - - busy = b; - q->setFiltersChildMouseEvents(busy); - emit q->busyChanged(); -} - -void QQuickStackViewPrivate::depthChange(int newDepth, int oldDepth) -{ - Q_Q(QQuickStackView); - if (newDepth == oldDepth) - return; - - emit q->depthChanged(); - if (newDepth == 0 || oldDepth == 0) - emit q->emptyChanged(); -} - -QT_END_NAMESPACE |