diff -r 4f2f89ce4247 -r 303757a437d3 WebKitTools/QtTestBrowser/webview.cpp --- a/WebKitTools/QtTestBrowser/webview.cpp Fri Sep 17 09:02:29 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,250 +0,0 @@ -/* - * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies) - * Copyright (C) 2009 Girish Ramakrishnan - * Copyright (C) 2006 George Staikos - * Copyright (C) 2006 Dirk Mueller - * Copyright (C) 2006 Zack Rusin - * Copyright (C) 2006 Simon Hausmann - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "webview.h" - -#include -#include - -WebViewGraphicsBased::WebViewGraphicsBased(QWidget* parent) - : QGraphicsView(parent) - , m_item(new GraphicsWebView) - , m_numPaintsTotal(0) - , m_numPaintsSinceLastMeasure(0) - , m_measureFps(false) - , m_resizesToContents(false) -{ - setScene(new QGraphicsScene(this)); - scene()->addItem(m_item); - - setFrameShape(QFrame::NoFrame); - setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); - setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); - -#if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0) - QStateMachine* machine = new QStateMachine(this); - QState* s0 = new QState(machine); - s0->assignProperty(this, "yRotation", 0); - - QState* s1 = new QState(machine); - s1->assignProperty(this, "yRotation", 90); - - QAbstractTransition* t1 = s0->addTransition(this, SIGNAL(yFlipRequest()), s1); - QPropertyAnimation* yRotationAnim = new QPropertyAnimation(this, "yRotation", this); - yRotationAnim->setDuration(1000); - t1->addAnimation(yRotationAnim); - - QState* s2 = new QState(machine); - s2->assignProperty(this, "yRotation", -90); - s1->addTransition(s1, SIGNAL(propertiesAssigned()), s2); - - QAbstractTransition* t2 = s2->addTransition(s0); - t2->addAnimation(yRotationAnim); - - machine->setInitialState(s0); - machine->start(); -#endif - - m_updateTimer = new QTimer(this); - m_updateTimer->setInterval(1000); - connect(m_updateTimer, SIGNAL(timeout()), this, SLOT(updateFrameRate())); -} - -void WebViewGraphicsBased::setPage(QWebPage* page) -{ - connect(page->mainFrame(), SIGNAL(contentsSizeChanged(const QSize&)), SLOT(contentsSizeChanged(const QSize&))); - m_item->setPage(page); -} - -void WebViewGraphicsBased::contentsSizeChanged(const QSize& size) -{ - if (m_resizesToContents) - scene()->setSceneRect(0, 0, size.width(), size.height()); -} - -void WebViewGraphicsBased::setResizesToContents(bool b) -{ - if (b == m_resizesToContents) - return; - - m_resizesToContents = b; - m_item->setResizesToContents(m_resizesToContents); - - // When setting resizesToContents ON, our web view widget will always size as big as the - // web content being displayed, and so will the QWebPage's viewport. It implies that internally - // WebCore will work as if there was no content rendered offscreen, and then no scrollbars need - // drawing. In order to keep scrolling working, we: - // - // 1) Set QGraphicsView's scrollbars policy back to 'auto'. - // 2) Set scene's boundaries rect to an invalid size, which automatically makes it to be as big - // as it needs to enclose all items onto it. We do that because QGraphicsView also calculates - // the size of its scrollable area according to the amount of content in scene that is rendered - // offscreen. - // 3) Set QWebPage's preferredContentsSize according to the size of QGraphicsView's viewport, - // so WebCore properly lays pages out. - // - // On the other hand, when toggling resizesToContents OFF, we set back the default values, as - // opposite as described above. - if (m_resizesToContents) { - setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded); - setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded); - m_item->page()->setPreferredContentsSize(size()); - QRectF itemRect(m_item->geometry().topLeft(), m_item->page()->mainFrame()->contentsSize()); - m_item->setGeometry(itemRect); - scene()->setSceneRect(itemRect); - } else { - setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); - setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); - m_item->page()->setPreferredContentsSize(QSize()); - QRect viewportRect(QPoint(0, 0), size()); - m_item->setGeometry(viewportRect); - scene()->setSceneRect(viewportRect); - } -} - -void WebViewGraphicsBased::resizeEvent(QResizeEvent* event) -{ - QGraphicsView::resizeEvent(event); - - QSize size(event->size()); - - if (m_resizesToContents) { - m_item->page()->setPreferredContentsSize(size); - return; - } - - QRectF rect(QPoint(0, 0), size); - m_item->setGeometry(rect); - scene()->setSceneRect(rect); -} - -void WebViewGraphicsBased::setFrameRateMeasurementEnabled(bool enabled) -{ - m_measureFps = enabled; - if (m_measureFps) { - m_lastConsultTime = m_startTime = QTime::currentTime(); - m_fpsTimer.start(); - m_updateTimer->start(); - } else { - m_fpsTimer.stop(); - m_updateTimer->stop(); - } -} - -void WebViewGraphicsBased::updateFrameRate() -{ - const QTime now = QTime::currentTime(); - int interval = m_lastConsultTime.msecsTo(now); - int frames = m_fpsTimer.numFrames(interval); - int current = interval ? frames * 1000 / interval : 0; - - emit currentFPSUpdated(current); - - m_lastConsultTime = now; -} - -void WebViewGraphicsBased::animatedFlip() -{ -#if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0) - QSizeF center = m_item->boundingRect().size() / 2; - QPointF centerPoint = QPointF(center.width(), center.height()); - m_item->setTransformOriginPoint(centerPoint); - - QPropertyAnimation* animation = new QPropertyAnimation(m_item, "rotation", this); - animation->setDuration(1000); - - int rotation = int(m_item->rotation()); - - animation->setStartValue(rotation); - animation->setEndValue(rotation + 180 - (rotation % 180)); - - animation->start(QAbstractAnimation::DeleteWhenStopped); -#endif -} - -void WebViewGraphicsBased::animatedYFlip() -{ - emit yFlipRequest(); -} - -void WebViewGraphicsBased::paintEvent(QPaintEvent* event) -{ - QGraphicsView::paintEvent(event); - if (!m_measureFps) - return; -} - -static QMenu* createContextMenu(QWebPage* page, QPoint position) -{ - QMenu* menu = page->createStandardContextMenu(); - - QWebHitTestResult r = page->mainFrame()->hitTestContent(position); - - if (!r.linkUrl().isEmpty()) { - WebPage* webPage = qobject_cast(page); - QAction* newTabAction = menu->addAction("Open in Default &Browser", webPage, SLOT(openUrlInDefaultBrowser())); - newTabAction->setData(r.linkUrl()); - menu->insertAction(menu->actions().at(2), newTabAction); - } - return menu; -} - -void GraphicsWebView::mousePressEvent(QGraphicsSceneMouseEvent* event) -{ - setProperty("mouseButtons", QVariant::fromValue(int(event->buttons()))); - setProperty("keyboardModifiers", QVariant::fromValue(int(event->modifiers()))); - - QGraphicsWebView::mousePressEvent(event); -} - -void WebViewTraditional::mousePressEvent(QMouseEvent* event) -{ - setProperty("mouseButtons", QVariant::fromValue(int(event->buttons()))); - setProperty("keyboardModifiers", QVariant::fromValue(int(event->modifiers()))); - - QWebView::mousePressEvent(event); -} - -void GraphicsWebView::contextMenuEvent(QGraphicsSceneContextMenuEvent* event) -{ - QMenu* menu = createContextMenu(page(), event->pos().toPoint()); - menu->exec(event->screenPos()); - delete menu; -} - -void WebViewTraditional::contextMenuEvent(QContextMenuEvent* event) -{ - QMenu* menu = createContextMenu(page(), event->pos()); - menu->exec(event->globalPos()); - delete menu; -} -