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Diffstat (limited to 'src/declarative/graphicsitems/qmlgraphicswebview.cpp')
| -rw-r--r-- | src/declarative/graphicsitems/qmlgraphicswebview.cpp | 1335 |
1 files changed, 0 insertions, 1335 deletions
diff --git a/src/declarative/graphicsitems/qmlgraphicswebview.cpp b/src/declarative/graphicsitems/qmlgraphicswebview.cpp deleted file mode 100644 index 92ec4c4913..0000000000 --- a/src/declarative/graphicsitems/qmlgraphicswebview.cpp +++ /dev/null @@ -1,1335 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qmlgraphicswebview_p.h" -#include "qmlgraphicswebview_p_p.h" - -#include "qmlgraphicspainteditem_p_p.h" - -#include <qml.h> -#include <qmlengine.h> -#include <qmlstate_p.h> - -#include <QDebug> -#include <QPen> -#include <QFile> -#include <QEvent> -#include <QMouseEvent> -#include <QKeyEvent> -#include <QBasicTimer> -#include <QApplication> -#include <QGraphicsSceneMouseEvent> -#include <QtWebKit/QWebPage> -#include <QtWebKit/QWebFrame> -#include <QtWebKit/QWebElement> -#include <QtWebKit/QWebSettings> -#include <qlistmodelinterface_p.h> - -QT_BEGIN_NAMESPACE - -static const int MAX_DOUBLECLICK_TIME=500; // XXX need better gesture system - -class QmlGraphicsWebViewPrivate : public QmlGraphicsPaintedItemPrivate -{ - Q_DECLARE_PUBLIC(QmlGraphicsWebView) - -public: - QmlGraphicsWebViewPrivate() - : QmlGraphicsPaintedItemPrivate(), page(0), preferredwidth(0), preferredheight(0), - progress(1.0), status(QmlGraphicsWebView::Null), pending(PendingNone), - newWindowComponent(0), newWindowParent(0), - pressTime(400), - rendering(true) - { - } - - QUrl url; // page url might be different if it has not loaded yet - QWebPage *page; - - int preferredwidth, preferredheight; - qreal progress; - QmlGraphicsWebView::Status status; - QString statusText; - enum { PendingNone, PendingUrl, PendingHtml, PendingContent } pending; - QUrl pending_url; - QString pending_string; - QByteArray pending_data; - mutable QmlGraphicsWebSettings settings; - QmlComponent *newWindowComponent; - QmlGraphicsItem *newWindowParent; - - QBasicTimer pressTimer; - QPoint pressPoint; - int pressTime; // milliseconds before it's a "hold" - - - static void windowObjects_append(QmlListProperty<QObject> *prop, QObject *o) { - static_cast<QmlGraphicsWebViewPrivate *>(prop->data)->windowObjects.append(o); - static_cast<QmlGraphicsWebViewPrivate *>(prop->data)->updateWindowObjects(); - } - - void updateWindowObjects(); - QObjectList windowObjects; - - bool rendering; -}; - -/*! - \qmlclass WebView QmlGraphicsWebView - \since 4.7 - \brief The WebView item allows you to add web content to a canvas. - \inherits Item - - A WebView renders web content based on a URL. - - If the width and height of the item is not set, they will - dynamically adjust to a size appropriate for the content. - This width may be large for typical online web pages. - - If the preferredWidth is set, the width will be this amount or larger, - usually laying out the web content to fit the preferredWidth. - - \qml - WebView { - url: "http://www.nokia.com" - width: 490 - height: 400 - scale: 0.5 - smooth: false - smoothCache: true - } - \endqml - - \image webview.png - - The item includes no scrolling, scaling, - toolbars, etc., those must be implemented around WebView. See the WebBrowser example - for a demonstration of this. -*/ - -/*! - \internal - \class QmlGraphicsWebView - \brief The QmlGraphicsWebView class allows you to add web content to a QmlView. - - A WebView renders web content base on a URL. - - \image webview.png - - The item includes no scrolling, scaling, - toolbars, etc., those must be implemented around WebView. See the WebBrowser example - for a demonstration of this. - - A QmlGraphicsWebView object can be instantiated in Qml using the tag \l WebView. -*/ - -QmlGraphicsWebView::QmlGraphicsWebView(QmlGraphicsItem *parent) - : QmlGraphicsPaintedItem(*(new QmlGraphicsWebViewPrivate), parent) -{ - init(); -} - -QmlGraphicsWebView::~QmlGraphicsWebView() -{ - Q_D(QmlGraphicsWebView); - delete d->page; -} - -void QmlGraphicsWebView::init() -{ - Q_D(QmlGraphicsWebView); - - setAcceptHoverEvents(true); - setAcceptedMouseButtons(Qt::LeftButton); - setFlag(QGraphicsItem::ItemHasNoContents, false); - - d->page = 0; -} - -void QmlGraphicsWebView::componentComplete() -{ - QmlGraphicsPaintedItem::componentComplete(); - Q_D(QmlGraphicsWebView); - switch (d->pending) { - case QmlGraphicsWebViewPrivate::PendingUrl: - setUrl(d->pending_url); - break; - case QmlGraphicsWebViewPrivate::PendingHtml: - setHtml(d->pending_string, d->pending_url); - break; - case QmlGraphicsWebViewPrivate::PendingContent: - setContent(d->pending_data, d->pending_string, d->pending_url); - break; - default: - break; - } - d->pending = QmlGraphicsWebViewPrivate::PendingNone; - d->updateWindowObjects(); -} - -QmlGraphicsWebView::Status QmlGraphicsWebView::status() const -{ - Q_D(const QmlGraphicsWebView); - return d->status; -} - - -/*! - \qmlproperty real WebView::progress - This property holds the progress of loading the current URL, from 0 to 1. - - If you just want to know when progress gets to 1, use - WebView::onLoadFinished() or WebView::onLoadFailed() instead. -*/ -qreal QmlGraphicsWebView::progress() const -{ - Q_D(const QmlGraphicsWebView); - return d->progress; -} - -void QmlGraphicsWebView::doLoadStarted() -{ - Q_D(QmlGraphicsWebView); - - if (!d->url.isEmpty()) { - d->status = Loading; - emit statusChanged(d->status); - } - emit loadStarted(); -} - -void QmlGraphicsWebView::doLoadProgress(int p) -{ - Q_D(QmlGraphicsWebView); - if (d->progress == p/100.0) - return; - d->progress = p/100.0; - emit progressChanged(); -} - -void QmlGraphicsWebView::pageUrlChanged() -{ - Q_D(QmlGraphicsWebView); - - page()->setViewportSize(QSize( - d->preferredwidth>0 ? d->preferredwidth : width(), - d->preferredheight>0 ? d->preferredheight : height())); - expandToWebPage(); - - if ((d->url.isEmpty() && page()->mainFrame()->url() != QUrl(QLatin1String("about:blank"))) - || (d->url != page()->mainFrame()->url() && !page()->mainFrame()->url().isEmpty())) - { - d->url = page()->mainFrame()->url(); - if (d->url == QUrl(QLatin1String("about:blank"))) - d->url = QUrl(); - emit urlChanged(); - } -} - -void QmlGraphicsWebView::doLoadFinished(bool ok) -{ - Q_D(QmlGraphicsWebView); - - if (title().isEmpty()) - pageUrlChanged(); // XXX bug 232556 - pages with no title never get urlChanged() - - if (ok) { - d->status = d->url.isEmpty() ? Null : Ready; - emit loadFinished(); - } else { - d->status = Error; - emit loadFailed(); - } - emit statusChanged(d->status); -} - -/*! - \qmlproperty url WebView::url - This property holds the URL to the page displayed in this item. It can be set, - but also can change spontaneously (eg. because of network redirection). - - If the url is empty, the page is blank. - - The url is always absolute (QML will resolve relative URL strings in the context - of the containing QML document). -*/ -QUrl QmlGraphicsWebView::url() const -{ - Q_D(const QmlGraphicsWebView); - return d->url; -} - -void QmlGraphicsWebView::setUrl(const QUrl &url) -{ - Q_D(QmlGraphicsWebView); - if (url == d->url) - return; - - if (isComponentComplete()) { - d->url = url; - page()->setViewportSize(QSize( - d->preferredwidth>0 ? d->preferredwidth : width(), - d->preferredheight>0 ? d->preferredheight : height())); - QUrl seturl = url; - if (seturl.isEmpty()) - seturl = QUrl(QLatin1String("about:blank")); - - Q_ASSERT(!seturl.isRelative()); - - page()->mainFrame()->load(seturl); - - emit urlChanged(); - } else { - d->pending = d->PendingUrl; - d->pending_url = url; - } -} - -/*! - \qmlproperty int WebView::preferredWidth - This property holds the ideal width for displaying the current URL. -*/ -int QmlGraphicsWebView::preferredWidth() const -{ - Q_D(const QmlGraphicsWebView); - return d->preferredwidth; -} - -void QmlGraphicsWebView::setPreferredWidth(int iw) -{ - Q_D(QmlGraphicsWebView); - if (d->preferredwidth == iw) return; - d->preferredwidth = iw; - //expandToWebPage(); - emit preferredWidthChanged(); -} - -/*! - \qmlproperty int WebView::preferredHeight - This property holds the ideal height for displaying the current URL. - This only affects the area zoomed by heuristicZoom(). -*/ -int QmlGraphicsWebView::preferredHeight() const -{ - Q_D(const QmlGraphicsWebView); - return d->preferredheight; -} -void QmlGraphicsWebView::setPreferredHeight(int ih) -{ - Q_D(QmlGraphicsWebView); - if (d->preferredheight == ih) return; - d->preferredheight = ih; - emit preferredHeightChanged(); -} - -/*! - \qmlmethod bool WebView::evaluateJavaScript(string) - - Evaluates the \a scriptSource JavaScript inside the context of the - main web frame, and returns the result of the last executed statement. - - Note that this JavaScript does \e not have any access to QML objects - except as made available as windowObjects. -*/ -QVariant QmlGraphicsWebView::evaluateJavaScript(const QString &scriptSource) -{ - return this->page()->mainFrame()->evaluateJavaScript(scriptSource); -} - -void QmlGraphicsWebView::focusChanged(bool hasFocus) -{ - QFocusEvent e(hasFocus ? QEvent::FocusIn : QEvent::FocusOut); - page()->event(&e); - QmlGraphicsItem::focusChanged(hasFocus); -} - -void QmlGraphicsWebView::initialLayout() -{ - // nothing useful to do at this point -} - -void QmlGraphicsWebView::noteContentsSizeChanged(const QSize&) -{ - expandToWebPage(); -} - -void QmlGraphicsWebView::expandToWebPage() -{ - Q_D(QmlGraphicsWebView); - QSize cs = page()->mainFrame()->contentsSize(); - if (cs.width() < d->preferredwidth) - cs.setWidth(d->preferredwidth); - if (cs.height() < d->preferredheight) - cs.setHeight(d->preferredheight); - if (widthValid()) - cs.setWidth(width()); - if (heightValid()) - cs.setHeight(height()); - if (cs != page()->viewportSize()) { - page()->setViewportSize(cs); - } - if (cs != contentsSize()) - setContentsSize(cs); -} - -void QmlGraphicsWebView::geometryChanged(const QRectF &newGeometry, - const QRectF &oldGeometry) -{ - if (newGeometry.size() != oldGeometry.size()) - expandToWebPage(); - QmlGraphicsPaintedItem::geometryChanged(newGeometry, oldGeometry); -} - -void QmlGraphicsWebView::paintPage(const QRect& r) -{ - dirtyCache(r); - update(); -} - -/*! - \qmlproperty list<object> WebView::javaScriptWindowObjects - - This property is a list of object that are available from within - the webview's JavaScript context. - - The \a object will be inserted as a child of the frame's window - object, under the name given by the attached property \c WebView.windowObjectName. - - \qml - WebView { - javaScriptWindowObjects: Object { - WebView.windowObjectName: "coordinates" - } - } - \endqml - - Properties of the object will be exposed as JavaScript properties and slots as - JavaScript methods. - - If Javascript is not enabled for this page, then this property does nothing. -*/ -QmlListProperty<QObject> QmlGraphicsWebView::javaScriptWindowObjects() -{ - Q_D(QmlGraphicsWebView); - return QmlListProperty<QObject>(this, d, &QmlGraphicsWebViewPrivate::windowObjects_append); -} - -QmlGraphicsWebViewAttached *QmlGraphicsWebView::qmlAttachedProperties(QObject *o) -{ - return new QmlGraphicsWebViewAttached(o); -} - -void QmlGraphicsWebViewPrivate::updateWindowObjects() -{ - Q_Q(QmlGraphicsWebView); - if (!q->isComponentComplete() || !page) - return; - - for (int ii = 0; ii < windowObjects.count(); ++ii) { - QObject *object = windowObjects.at(ii); - QmlGraphicsWebViewAttached *attached = static_cast<QmlGraphicsWebViewAttached *>(qmlAttachedPropertiesObject<QmlGraphicsWebView>(object)); - if (attached && !attached->windowObjectName().isEmpty()) { - page->mainFrame()->addToJavaScriptWindowObject(attached->windowObjectName(), object); - } - } -} - -bool QmlGraphicsWebView::renderingEnabled() const -{ - Q_D(const QmlGraphicsWebView); - return d->rendering; -} - -void QmlGraphicsWebView::setRenderingEnabled(bool enabled) -{ - Q_D(QmlGraphicsWebView); - if (d->rendering == enabled) - return; - d->rendering = enabled; - emit renderingEnabledChanged(); - - setCacheFrozen(!enabled); - if (enabled) - clearCache(); -} - - -void QmlGraphicsWebView::drawContents(QPainter *p, const QRect &r) -{ - Q_D(QmlGraphicsWebView); - if (d->rendering) - page()->mainFrame()->render(p,r); -} - -QMouseEvent *QmlGraphicsWebView::sceneMouseEventToMouseEvent(QGraphicsSceneMouseEvent *e) -{ - QEvent::Type t; - switch(e->type()) { - default: - case QEvent::GraphicsSceneMousePress: - t = QEvent::MouseButtonPress; - break; - case QEvent::GraphicsSceneMouseRelease: - t = QEvent::MouseButtonRelease; - break; - case QEvent::GraphicsSceneMouseMove: - t = QEvent::MouseMove; - break; - case QGraphicsSceneEvent::GraphicsSceneMouseDoubleClick: - t = QEvent::MouseButtonDblClick; - break; - } - - QMouseEvent *me = new QMouseEvent(t, (e->pos()/contentsScale()).toPoint(), e->button(), e->buttons(), 0); - return me; -} - -QMouseEvent *QmlGraphicsWebView::sceneHoverMoveEventToMouseEvent(QGraphicsSceneHoverEvent *e) -{ - QEvent::Type t = QEvent::MouseMove; - - QMouseEvent *me = new QMouseEvent(t, (e->pos()/contentsScale()).toPoint(), Qt::NoButton, Qt::NoButton, 0); - - return me; -} - - -/*! - \qmlsignal WebView::onDoubleClick(clickx,clicky) - - The WebView does not pass double-click events to the web engine, but rather - emits this signals. -*/ - -void QmlGraphicsWebView::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) -{ - QMouseEvent *me = sceneMouseEventToMouseEvent(event); - emit doubleClick(me->x(),me->y()); - delete me; -} - -/*! - \qmlmethod bool WebView::heuristicZoom(clickX,clickY,maxzoom) - - Finds a zoom that: - \list - \i shows a whole item - \i includes (\a clickX, \a clickY) - \i fits into the preferredWidth and preferredHeight - \i zooms by no more than \a maxzoom - \i is more than 10% above the current zoom - \endlist - - If such a zoom exists, emits zoomTo(zoom,centerX,centerY) and returns true; otherwise, - no signal is emitted and returns false. -*/ -bool QmlGraphicsWebView::heuristicZoom(int clickX, int clickY, qreal maxzoom) -{ - Q_D(QmlGraphicsWebView); - if (contentsScale() >= maxzoom/zoomFactor()) - return false; - qreal ozf = contentsScale(); - QRect showarea = elementAreaAt(clickX, clickY, d->preferredwidth/maxzoom, d->preferredheight/maxzoom); - qreal z = qMin(qreal(d->preferredwidth)/showarea.width(),qreal(d->preferredheight)/showarea.height()); - if (z > maxzoom/zoomFactor()) - z = maxzoom/zoomFactor(); - if (z/ozf > 1.2) { - QRectF r(showarea.left()*z, showarea.top()*z, showarea.width()*z, showarea.height()*z); - emit zoomTo(z,r.x()+r.width()/2, r.y()+r.height()/2); - return true; - } else { - return false; - } -} - -/*! - \qmlproperty int WebView::pressGrabTime - - The number of milliseconds the user must press before the WebView - starts passing move events through to the web engine (rather than - letting other QML elements such as a Flickable take them). - - Defaults to 400ms. Set to 0 to always grab and pass move events to - the web engine. -*/ -int QmlGraphicsWebView::pressGrabTime() const -{ - Q_D(const QmlGraphicsWebView); - return d->pressTime; -} - -void QmlGraphicsWebView::setPressGrabTime(int ms) -{ - Q_D(QmlGraphicsWebView); - if (d->pressTime == ms) - return; - d->pressTime = ms; - emit pressGrabTimeChanged(); -} - -void QmlGraphicsWebView::mousePressEvent(QGraphicsSceneMouseEvent *event) -{ - Q_D(QmlGraphicsWebView); - - setFocus (true); - QMouseEvent *me = sceneMouseEventToMouseEvent(event); - - d->pressPoint = me->pos(); - if (d->pressTime) { - d->pressTimer.start(d->pressTime,this); - setKeepMouseGrab(false); - } else { - grabMouse(); - setKeepMouseGrab(true); - } - - page()->event(me); - event->setAccepted( -/* - It is not correct to send the press event upwards, if it is not accepted by WebKit - e.g. push button does not work, if done so as QGraphicsScene will not send the release event at all to WebKit - Might be a bug in WebKit, though - */ -#if 1 //QT_VERSION <= 0x040500 // XXX see bug 230835 - true -#else - me->isAccepted() -#endif - ); - delete me; - if (!event->isAccepted()) { - QmlGraphicsPaintedItem::mousePressEvent(event); - } -} - -void QmlGraphicsWebView::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) -{ - Q_D(QmlGraphicsWebView); - - QMouseEvent *me = sceneMouseEventToMouseEvent(event); - page()->event(me); - d->pressTimer.stop(); - event->setAccepted( -/* - It is not correct to send the press event upwards, if it is not accepted by WebKit - e.g. push button does not work, if done so as QGraphicsScene will not send all the events to WebKit - */ -#if 1 //QT_VERSION <= 0x040500 // XXX see bug 230835 - true -#else - me->isAccepted() -#endif - ); - delete me; - if (!event->isAccepted()) { - QmlGraphicsPaintedItem::mouseReleaseEvent(event); - } - setKeepMouseGrab(false); - ungrabMouse(); -} - -void QmlGraphicsWebView::timerEvent(QTimerEvent *event) -{ - Q_D(QmlGraphicsWebView); - if (event->timerId() == d->pressTimer.timerId()) { - d->pressTimer.stop(); - grabMouse(); - setKeepMouseGrab(true); - } -} - -void QmlGraphicsWebView::mouseMoveEvent(QGraphicsSceneMouseEvent *event) -{ - Q_D(QmlGraphicsWebView); - - QMouseEvent *me = sceneMouseEventToMouseEvent(event); - if (d->pressTimer.isActive()) { - if ((me->pos() - d->pressPoint).manhattanLength() > QApplication::startDragDistance()) { - d->pressTimer.stop(); - } - } - if (keepMouseGrab()) { - page()->event(me); - event->setAccepted( -/* - It is not correct to send the press event upwards, if it is not accepted by WebKit - e.g. push button does not work, if done so as QGraphicsScene will not send the release event at all to WebKit - Might be a bug in WebKit, though - */ -#if 1 // QT_VERSION <= 0x040500 // XXX see bug 230835 - true -#else - me->isAccepted() -#endif - ); - } - delete me; - if (!event->isAccepted()) - QmlGraphicsPaintedItem::mouseMoveEvent(event); - -} -void QmlGraphicsWebView::hoverMoveEvent (QGraphicsSceneHoverEvent * event) -{ - QMouseEvent *me = sceneHoverMoveEventToMouseEvent(event); - page()->event(me); - event->setAccepted( -#if QT_VERSION <= 0x040500 // XXX see bug 230835 - true -#else - me->isAccepted() -#endif - ); - delete me; - if (!event->isAccepted()) - QmlGraphicsPaintedItem::hoverMoveEvent(event); -} - -void QmlGraphicsWebView::keyPressEvent(QKeyEvent* event) -{ - page()->event(event); - if (!event->isAccepted()) - QmlGraphicsPaintedItem::keyPressEvent(event); -} - -void QmlGraphicsWebView::keyReleaseEvent(QKeyEvent* event) -{ - page()->event(event); - if (!event->isAccepted()) - QmlGraphicsPaintedItem::keyReleaseEvent(event); -} - -bool QmlGraphicsWebView::sceneEvent(QEvent *event) -{ - if (event->type() == QEvent::KeyPress) { - QKeyEvent *k = static_cast<QKeyEvent *>(event); - if (k->key() == Qt::Key_Tab || k->key() == Qt::Key_Backtab) { - if (!(k->modifiers() & (Qt::ControlModifier | Qt::AltModifier))) { //### Add MetaModifier? - page()->event(event); - if (event->isAccepted()) - return true; - } - } - } - return QmlGraphicsPaintedItem::sceneEvent(event); -} - - -/*! - \qmlproperty action WebView::back - This property holds the action for causing the previous URL in the history to be displayed. -*/ -QAction *QmlGraphicsWebView::backAction() const -{ - return page()->action(QWebPage::Back); -} - -/*! - \qmlproperty action WebView::forward - This property holds the action for causing the next URL in the history to be displayed. -*/ -QAction *QmlGraphicsWebView::forwardAction() const -{ - return page()->action(QWebPage::Forward); -} - -/*! - \qmlproperty action WebView::reload - This property holds the action for reloading with the current URL -*/ -QAction *QmlGraphicsWebView::reloadAction() const -{ - return page()->action(QWebPage::Reload); -} - -/*! - \qmlproperty action WebView::stop - This property holds the action for stopping loading with the current URL -*/ -QAction *QmlGraphicsWebView::stopAction() const -{ - return page()->action(QWebPage::Stop); -} - -/*! - \qmlproperty real WebView::title - This property holds the title of the web page currently viewed - - By default, this property contains an empty string. -*/ -QString QmlGraphicsWebView::title() const -{ - return page()->mainFrame()->title(); -} - - - -/*! - \qmlproperty pixmap WebView::icon - This property holds the icon associated with the web page currently viewed -*/ -QPixmap QmlGraphicsWebView::icon() const -{ - return page()->mainFrame()->icon().pixmap(QSize(256,256)); -} - - -/*! - \qmlproperty real WebView::zoomFactor - This property holds the multiplier used to scale the contents of a Web page. -*/ -void QmlGraphicsWebView::setZoomFactor(qreal factor) -{ - Q_D(QmlGraphicsWebView); - if (factor == page()->mainFrame()->zoomFactor()) - return; - - page()->mainFrame()->setZoomFactor(factor); - page()->setViewportSize(QSize( - d->preferredwidth>0 ? d->preferredwidth*factor : width()*factor, - d->preferredheight>0 ? d->preferredheight*factor : height()*factor)); - expandToWebPage(); - - emit zoomFactorChanged(); -} - -qreal QmlGraphicsWebView::zoomFactor() const -{ - return page()->mainFrame()->zoomFactor(); -} - -/*! - \qmlproperty string WebView::statusText - - This property is the current status suggested by the current web page. In a web browser, - such status is often shown in some kind of status bar. -*/ -void QmlGraphicsWebView::setStatusText(const QString& s) -{ - Q_D(QmlGraphicsWebView); - d->statusText = s; - emit statusTextChanged(); -} - -void QmlGraphicsWebView::windowObjectCleared() -{ - Q_D(QmlGraphicsWebView); - d->updateWindowObjects(); -} - -QString QmlGraphicsWebView::statusText() const -{ - Q_D(const QmlGraphicsWebView); - return d->statusText; -} - -QWebPage *QmlGraphicsWebView::page() const -{ - Q_D(const QmlGraphicsWebView); - - if (!d->page) { - QmlGraphicsWebView *self = const_cast<QmlGraphicsWebView*>(this); - QWebPage *wp = new QmlGraphicsWebPage(self); - - // QML items don't default to having a background, - // even though most we pages will set one anyway. - QPalette pal = QApplication::palette(); - pal.setBrush(QPalette::Base, QColor::fromRgbF(0, 0, 0, 0)); - wp->setPalette(pal); - - wp->setNetworkAccessManager(qmlEngine(this)->networkAccessManager()); - - self->setPage(wp); - - return wp; - } - - return d->page; -} - - -// The QObject interface to settings(). -/*! - \qmlproperty string WebView::settings.standardFontFamily - \qmlproperty string WebView::settings.fixedFontFamily - \qmlproperty string WebView::settings.serifFontFamily - \qmlproperty string WebView::settings.sansSerifFontFamily - \qmlproperty string WebView::settings.cursiveFontFamily - \qmlproperty string WebView::settings.fantasyFontFamily - - \qmlproperty int WebView::settings.minimumFontSize - \qmlproperty int WebView::settings.minimumLogicalFontSize - \qmlproperty int WebView::settings.defaultFontSize - \qmlproperty int WebView::settings.defaultFixedFontSize - - \qmlproperty bool WebView::settings.autoLoadImages - \qmlproperty bool WebView::settings.javascriptEnabled - \qmlproperty bool WebView::settings.javaEnabled - \qmlproperty bool WebView::settings.pluginsEnabled - \qmlproperty bool WebView::settings.privateBrowsingEnabled - \qmlproperty bool WebView::settings.javascriptCanOpenWindows - \qmlproperty bool WebView::settings.javascriptCanAccessClipboard - \qmlproperty bool WebView::settings.developerExtrasEnabled - \qmlproperty bool WebView::settings.linksIncludedInFocusChain - \qmlproperty bool WebView::settings.zoomTextOnly - \qmlproperty bool WebView::settings.printElementBackgrounds - \qmlproperty bool WebView::settings.offlineStorageDatabaseEnabled - \qmlproperty bool WebView::settings.offlineWebApplicationCacheEnabled - \qmlproperty bool WebView::settings.localStorageDatabaseEnabled - \qmlproperty bool WebView::settings.localContentCanAccessRemoteUrls - - These properties give access to the settings controlling the web view. - - See QWebSettings for details of these properties. - - \qml - WebView { - settings.pluginsEnabled: true - settings.standardFontFamily: "Arial" - ... - } - \endqml -*/ -QmlGraphicsWebSettings *QmlGraphicsWebView::settingsObject() const -{ - Q_D(const QmlGraphicsWebView); - d->settings.s = page()->settings(); - return &d->settings; -} - -void QmlGraphicsWebView::setPage(QWebPage *page) -{ - Q_D(QmlGraphicsWebView); - if (d->page == page) - return; - if (d->page) { - if (d->page->parent() == this) { - delete d->page; - } else { - d->page->disconnect(this); - } - } - d->page = page; - d->page->setViewportSize(QSize( - d->preferredwidth>0 ? d->preferredwidth : width(), - d->preferredheight>0 ? d->preferredheight : height())); - d->page->mainFrame()->setScrollBarPolicy(Qt::Horizontal,Qt::ScrollBarAlwaysOff); - d->page->mainFrame()->setScrollBarPolicy(Qt::Vertical,Qt::ScrollBarAlwaysOff); - connect(d->page,SIGNAL(repaintRequested(QRect)),this,SLOT(paintPage(QRect))); - connect(d->page->mainFrame(),SIGNAL(urlChanged(QUrl)),this,SLOT(pageUrlChanged())); - connect(d->page->mainFrame(), SIGNAL(titleChanged(QString)), this, SIGNAL(titleChanged(QString))); - connect(d->page->mainFrame(), SIGNAL(iconChanged()), this, SIGNAL(iconChanged())); - connect(d->page->mainFrame(), SIGNAL(contentsSizeChanged(QSize)), this, SLOT(noteContentsSizeChanged(QSize))); - connect(d->page->mainFrame(), SIGNAL(initialLayoutCompleted()), this, SLOT(initialLayout())); - - connect(d->page,SIGNAL(loadStarted()),this,SLOT(doLoadStarted())); - connect(d->page,SIGNAL(loadProgress(int)),this,SLOT(doLoadProgress(int))); - connect(d->page,SIGNAL(loadFinished(bool)),this,SLOT(doLoadFinished(bool))); - connect(d->page,SIGNAL(statusBarMessage(QString)),this,SLOT(setStatusText(QString))); - - connect(d->page->mainFrame(),SIGNAL(javaScriptWindowObjectCleared()),this,SLOT(windowObjectCleared())); -} - -/*! - \qmlsignal WebView::onLoadStarted() - - This handler is called when the web engine begins loading - a page. Later, WebView::onLoadFinished() or WebView::onLoadFailed() - will be emitted. -*/ - -/*! - \qmlsignal WebView::onLoadFinished() - - This handler is called when the web engine \e successfully - finishes loading a page, including any component content - (WebView::onLoadFailed() will be emitted otherwise). - - \sa progress -*/ - -/*! - \qmlsignal WebView::onLoadFailed() - - This handler is called when the web engine fails loading - a page or any component content - (WebView::onLoadFinished() will be emitted on success). -*/ - -void QmlGraphicsWebView::load(const QNetworkRequest &request, - QNetworkAccessManager::Operation operation, - const QByteArray &body) -{ - page()->mainFrame()->load(request, operation, body); -} - -QString QmlGraphicsWebView::html() const -{ - return page()->mainFrame()->toHtml(); -} - -/*! - \qmlproperty string WebView::html - This property holds HTML text set directly - - The html property can be set as a string. - - \qml - WebView { - html: "<p>This is <b>HTML</b>." - } - \endqml -*/ -void QmlGraphicsWebView::setHtml(const QString &html, const QUrl &baseUrl) -{ - Q_D(QmlGraphicsWebView); - page()->setViewportSize(QSize( - d->preferredwidth>0 ? d->preferredwidth : width(), - d->preferredheight>0 ? d->preferredheight : height())); - if (isComponentComplete()) - page()->mainFrame()->setHtml(html, baseUrl); - else { - d->pending = d->PendingHtml; - d->pending_url = baseUrl; - d->pending_string = html; - } - emit htmlChanged(); -} - -void QmlGraphicsWebView::setContent(const QByteArray &data, const QString &mimeType, const QUrl &baseUrl) -{ - Q_D(QmlGraphicsWebView); - page()->setViewportSize(QSize( - d->preferredwidth>0 ? d->preferredwidth : width(), - d->preferredheight>0 ? d->preferredheight : height())); - - if (isComponentComplete()) - page()->mainFrame()->setContent(data,mimeType,qmlContext(this)->resolvedUrl(baseUrl)); - else { - d->pending = d->PendingContent; - d->pending_url = baseUrl; - d->pending_string = mimeType; - d->pending_data = data; - } -} - -QWebHistory *QmlGraphicsWebView::history() const -{ - return page()->history(); -} - -QWebSettings *QmlGraphicsWebView::settings() const -{ - return page()->settings(); -} - -QmlGraphicsWebView *QmlGraphicsWebView::createWindow(QWebPage::WebWindowType type) -{ - Q_D(QmlGraphicsWebView); - switch (type) { - case QWebPage::WebBrowserWindow: { - if (!d->newWindowComponent && d->newWindowParent) - qWarning("WebView::newWindowComponent not set - WebView::newWindowParent ignored"); - else if (d->newWindowComponent && !d->newWindowParent) - qWarning("WebView::newWindowParent not set - WebView::newWindowComponent ignored"); - else if (d->newWindowComponent && d->newWindowParent) { - QmlGraphicsWebView *webview = 0; - QmlContext *windowContext = new QmlContext(qmlContext(this)); - - QObject *nobj = d->newWindowComponent->create(windowContext); - if (nobj) { - windowContext->setParent(nobj); - QmlGraphicsItem *item = qobject_cast<QmlGraphicsItem *>(nobj); - if (!item) { - delete nobj; - } else { - webview = item->findChild<QmlGraphicsWebView*>(); - if (!webview) { - delete item; - } else { - nobj->setParent(d->newWindowParent); - static_cast<QGraphicsObject*>(item)->setParentItem(d->newWindowParent); - } - } - } else { - delete windowContext; - } - - return webview; - } - } - break; - case QWebPage::WebModalDialog: { - // Not supported - } - } - return 0; -} - -/*! - \qmlproperty component WebView::newWindowComponent - - This property holds the component to use for new windows. - The component must have a WebView somewhere in its structure. - - When the web engine requests a new window, it will be an instance of - this component. - - The parent of the new window is set by newWindowParent. It must be set. -*/ -QmlComponent *QmlGraphicsWebView::newWindowComponent() const -{ - Q_D(const QmlGraphicsWebView); - return d->newWindowComponent; -} - -void QmlGraphicsWebView::setNewWindowComponent(QmlComponent *newWindow) -{ - Q_D(QmlGraphicsWebView); - if (newWindow == d->newWindowComponent) - return; - d->newWindowComponent = newWindow; - emit newWindowComponentChanged(); -} - - -/*! - \qmlproperty item WebView::newWindowParent - - The parent item for new windows. - - \sa newWindowComponent -*/ -QmlGraphicsItem *QmlGraphicsWebView::newWindowParent() const -{ - Q_D(const QmlGraphicsWebView); - return d->newWindowParent; -} - -void QmlGraphicsWebView::setNewWindowParent(QmlGraphicsItem *parent) -{ - Q_D(QmlGraphicsWebView); - if (parent == d->newWindowParent) - return; - if (d->newWindowParent && parent) { - QList<QGraphicsItem *> children = d->newWindowParent->childItems(); - for (int i = 0; i < children.count(); ++i) { - children.at(i)->setParentItem(parent); - } - } - d->newWindowParent = parent; - emit newWindowParentChanged(); -} - -/*! - Returns the area of the largest element at position (\a x,\a y) that is no larger - than \a maxwidth by \a maxheight pixels. - - May return an area larger in the case when no smaller element is at the position. -*/ -QRect QmlGraphicsWebView::elementAreaAt(int x, int y, int maxwidth, int maxheight) const -{ - QWebHitTestResult hit = page()->mainFrame()->hitTestContent(QPoint(x,y)); - QRect rv = hit.boundingRect(); - QWebElement element = hit.enclosingBlockElement(); - if (maxwidth<=0) maxwidth = INT_MAX; - if (maxheight<=0) maxheight = INT_MAX; - while (!element.parent().isNull() && element.geometry().width() <= maxwidth && element.geometry().height() <= maxheight) { - rv = element.geometry(); - element = element.parent(); - } - return rv; -} - -/*! - \internal - \class QmlGraphicsWebPage - \brief The QmlGraphicsWebPage class is a QWebPage that can create QML plugins. - - \sa QmlGraphicsWebView -*/ -QmlGraphicsWebPage::QmlGraphicsWebPage(QmlGraphicsWebView *parent) : - QWebPage(parent) -{ -} - -QmlGraphicsWebPage::~QmlGraphicsWebPage() -{ -} - -void QmlGraphicsWebPage::javaScriptConsoleMessage(const QString& message, int lineNumber, const QString& sourceID) -{ - qWarning() << sourceID << ':' << lineNumber << ':' << message; -} - -QString QmlGraphicsWebPage::chooseFile(QWebFrame *originatingFrame, const QString& oldFile) -{ - // Not supported (it's modal) - Q_UNUSED(originatingFrame) - Q_UNUSED(oldFile) - return oldFile; -} - -void QmlGraphicsWebPage::javaScriptAlert(QWebFrame *originatingFrame, const QString& msg) -{ - Q_UNUSED(originatingFrame) - emit viewItem()->alert(msg); -} - -bool QmlGraphicsWebPage::javaScriptConfirm(QWebFrame *originatingFrame, const QString& msg) -{ - // Not supported (it's modal) - Q_UNUSED(originatingFrame) - Q_UNUSED(msg) - return false; -} - -bool QmlGraphicsWebPage::javaScriptPrompt(QWebFrame *originatingFrame, const QString& msg, const QString& defaultValue, QString* result) -{ - // Not supported (it's modal) - Q_UNUSED(originatingFrame) - Q_UNUSED(msg) - Q_UNUSED(defaultValue) - Q_UNUSED(result) - return false; -} - - -/* - Qt WebKit does not understand non-QWidget plugins, so dummy widgets - are created, parented to a single dummy tool window. - - The requirements for QML object plugins are input to the Qt WebKit - non-QWidget plugin support, which will obsolete this kludge. -*/ -class QWidget_Dummy_Plugin : public QWidget -{ - Q_OBJECT -public: - static QWidget *dummy_shared_parent() - { - static QWidget *dsp = 0; - if (!dsp) { - dsp = new QWidget(0,Qt::Tool); - dsp->setGeometry(-10000,-10000,0,0); - dsp->show(); - } - return dsp; - } - QWidget_Dummy_Plugin(const QUrl& url, QmlGraphicsWebView *view, const QStringList ¶mNames, const QStringList ¶mValues) : - QWidget(dummy_shared_parent()), - propertyNames(paramNames), - propertyValues(paramValues), - webview(view) - { - QmlEngine *engine = qmlEngine(webview); - component = new QmlComponent(engine, url, this); - item = 0; - if (component->isLoading()) - connect(component, SIGNAL(statusChanged(QmlComponent::Status)), this, SLOT(qmlLoaded())); - else - qmlLoaded(); - } - -public Q_SLOTS: - void qmlLoaded() - { - if (component->isError()) { - // ### Could instead give these errors to the WebView to handle. - qWarning() << component->errors(); - return; - } - item = qobject_cast<QmlGraphicsItem*>(component->create(qmlContext(webview))); - item->setParent(webview); - QString jsObjName; - for (int i=0; i<propertyNames.count(); ++i) { - if (propertyNames[i] != QLatin1String("type") && propertyNames[i] != QLatin1String("data")) { - item->setProperty(propertyNames[i].toUtf8(),propertyValues[i]); - if (propertyNames[i] == QLatin1String("objectname")) - jsObjName = propertyValues[i]; - } - } - if (!jsObjName.isNull()) { - QWebFrame *f = webview->page()->mainFrame(); - f->addToJavaScriptWindowObject(jsObjName, item); - } - resizeEvent(0); - delete component; - component = 0; - } - void resizeEvent(QResizeEvent*) - { - if (item) { - item->setX(x()); - item->setY(y()); - item->setWidth(width()); - item->setHeight(height()); - } - } - -private: - QmlComponent *component; - QmlGraphicsItem *item; - QStringList propertyNames, propertyValues; - QmlGraphicsWebView *webview; -}; - -QmlGraphicsWebView *QmlGraphicsWebPage::viewItem() -{ - return static_cast<QmlGraphicsWebView*>(parent()); -} - -QObject *QmlGraphicsWebPage::createPlugin(const QString &, const QUrl &url, const QStringList ¶mNames, const QStringList ¶mValues) -{ - QUrl comp = qmlContext(viewItem())->resolvedUrl(url); - return new QWidget_Dummy_Plugin(comp,viewItem(),paramNames,paramValues); -} - -QWebPage *QmlGraphicsWebPage::createWindow(WebWindowType type) -{ - QmlGraphicsWebView *newView = viewItem()->createWindow(type); - if (newView) - return newView->page(); - return 0; -} - -QT_END_NAMESPACE - -#include <qmlgraphicswebview.moc> |