QtFlickProvider::QtFlickProvider(QQuickWebView* viewItem, QQuickWebPage* pageItem)
: QObject(viewItem)
{
ASSERT(viewItem);
ASSERT(pageItem);
QDeclarativeEngine* engine = qmlEngine(viewItem);
QDeclarativeContext* context = qmlContext(viewItem);
ASSERT(engine);
ASSERT(context);
QDeclarativeComponent component(engine, viewItem);
// Create the internal Flickable instance dynamically.
// We only use public QML API so that we do not depend
// on private API of the QtDeclarative module.
component.setData(QByteArrayLiteral("import QtQuick 2.0\nFlickable {}"), QUrl());
m_flickable = qobject_cast<QQuickItem*>(component.create(context));
QMetaProperty content = resolveMetaProperty(m_flickable, "contentItem");
m_contentItem = content.read(m_flickable).value<QQuickItem*>();
ASSERT(m_contentItem);
// Resolve meta methods and properties of the Flickable instance.
m_returnToBoundsMethod = resolveMetaMethod(m_flickable, "returnToBounds()");
m_cancelFlickMethod = resolveMetaMethod(m_flickable, "cancelFlick()");
m_contentWidth = resolveMetaProperty(m_flickable, "contentWidth");
m_contentHeight = resolveMetaProperty(m_flickable, "contentHeight");
m_contentX = resolveMetaProperty(m_flickable, "contentX");
m_contentY = resolveMetaProperty(m_flickable, "contentY");
m_moving = resolveMetaProperty(m_flickable, "moving");
m_dragging = resolveMetaProperty(m_flickable, "dragging");
m_flicking = resolveMetaProperty(m_flickable, "flicking");
m_flickableData = resolveMetaProperty(m_flickable, "flickableData");
// Set the viewItem as the parent of the flickable instance
// and reparent the page so it is placed on the flickable contentItem.
m_flickable->setParentItem(viewItem);
pageItem->setParentItem(m_contentItem);
// Propagate flickable signals.
connect(m_flickable, SIGNAL(movementStarted()), SIGNAL(movementStarted()), Qt::DirectConnection);
connect(m_flickable, SIGNAL(movementEnded()), SIGNAL(movementEnded()), Qt::DirectConnection);
connect(m_flickable, SIGNAL(flickingChanged()), SIGNAL(flickingChanged()), Qt::DirectConnection);
connect(m_flickable, SIGNAL(draggingChanged()), SIGNAL(draggingChanged()), Qt::DirectConnection);
connect(m_flickable, SIGNAL(contentWidthChanged()), SIGNAL(contentWidthChanged()), Qt::DirectConnection);
connect(m_flickable, SIGNAL(contentHeightChanged()), SIGNAL(contentHeightChanged()), Qt::DirectConnection);
connect(m_flickable, SIGNAL(contentXChanged()), SIGNAL(contentXChanged()), Qt::DirectConnection);
connect(m_flickable, SIGNAL(contentYChanged()), SIGNAL(contentYChanged()), Qt::DirectConnection);
}
QtViewportHandler::QtViewportHandler(WebKit::WebPageProxy* proxy, QQuickWebView* viewportItem, QQuickWebPage* pageItem)
: m_webPageProxy(proxy)
, m_viewportItem(viewportItem)
, m_pageItem(pageItem)
, m_allowsUserScaling(false)
, m_minimumScale(1)
, m_maximumScale(1)
, m_devicePixelRatio(1)
, m_suspendCount(0)
, m_hasSuspendedContent(false)
, m_hadUserInteraction(false)
, m_scaleAnimation(new ScaleAnimation(this))
, m_pinchStartScale(-1)
, m_lastCommittedScale(-1)
, m_zoomOutScale(0.0)
{
m_scaleAnimation->setDuration(kScaleAnimationDurationMillis);
m_scaleAnimation->setEasingCurve(QEasingCurve::OutCubic);
connect(m_viewportItem, SIGNAL(movementStarted()), SLOT(flickMoveStarted()), Qt::DirectConnection);
connect(m_viewportItem, SIGNAL(movementEnded()), SLOT(flickMoveEnded()), Qt::DirectConnection);
connect(m_scaleAnimation, SIGNAL(valueChanged(QVariant)),
SLOT(scaleAnimationValueChanged(QVariant)), Qt::DirectConnection);
connect(m_scaleAnimation, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)),
SLOT(scaleAnimationStateChanged(QAbstractAnimation::State, QAbstractAnimation::State)), Qt::DirectConnection);
}
QtViewportInteractionEngine::QtViewportInteractionEngine(QQuickWebView* viewport, QQuickWebPage* content)
: m_viewport(viewport)
, m_content(content)
, m_suspendCount(0)
, m_hasSuspendedContent(false)
, m_hadUserInteraction(false)
, m_scaleAnimation(new ScaleAnimation(this))
, m_pinchStartScale(-1)
{
reset();
connect(m_content, SIGNAL(widthChanged()), SLOT(itemSizeChanged()), Qt::DirectConnection);
connect(m_content, SIGNAL(heightChanged()), SLOT(itemSizeChanged()), Qt::DirectConnection);
connect(m_viewport, SIGNAL(movementStarted()), SLOT(flickableMoveStarted()), Qt::DirectConnection);
connect(m_viewport, SIGNAL(movementEnded()), SLOT(flickableMoveEnded()), Qt::DirectConnection);
connect(m_scaleAnimation, SIGNAL(valueChanged(QVariant)),
SLOT(scaleAnimationValueChanged(QVariant)), Qt::DirectConnection);
connect(m_scaleAnimation, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)),
SLOT(scaleAnimationStateChanged(QAbstractAnimation::State, QAbstractAnimation::State)), Qt::DirectConnection);
}
PageViewportControllerClientQt::PageViewportControllerClientQt(QQuickWebView* viewportItem, QQuickWebPage* pageItem)
: m_viewportItem(viewportItem)
, m_pageItem(pageItem)
, m_scaleAnimation(new ScaleAnimation(this))
, m_pinchStartScale(-1)
, m_lastCommittedScale(-1)
, m_zoomOutScale(0)
, m_isUserInteracting(false)
, m_ignoreViewportChanges(false)
{
m_scaleAnimation->setDuration(kScaleAnimationDurationMillis);
m_scaleAnimation->setEasingCurve(QEasingCurve::OutCubic);
connect(m_viewportItem, SIGNAL(movementStarted()), SLOT(flickMoveStarted()), Qt::DirectConnection);
connect(m_viewportItem, SIGNAL(movementEnded()), SLOT(flickMoveEnded()), Qt::DirectConnection);
connect(m_viewportItem, SIGNAL(contentXChanged()), SLOT(pageItemPositionChanged()));
connect(m_viewportItem, SIGNAL(contentYChanged()), SLOT(pageItemPositionChanged()));
connect(m_scaleAnimation, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)),
SLOT(scaleAnimationStateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
}