/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the demonstration applications 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 either Technology Preview License Agreement or the ** Beta Release License Agreement. ** ** 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 1.0, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 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 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** If you are unsure which license is appropriate for your use, please ** contact the sales department at http://qt.nokia.com/contact. ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "browserapplication.h" #include "browsermainwindow.h" #include "cookiejar.h" #include "downloadmanager.h" #include "networkaccessmanager.h" #include "tabwidget.h" #include "webview.h" #include #include #include #include #include #ifndef QT_NO_UITOOLS #include #endif //QT_NO_UITOOLS #include #include WebPage::WebPage(QObject *parent) : QWebPage(parent) , m_keyboardModifiers(Qt::NoModifier) , m_pressedButtons(Qt::NoButton) , m_openInNewTab(false) { setNetworkAccessManager(BrowserApplication::networkAccessManager()); connect(this, SIGNAL(unsupportedContent(QNetworkReply *)), this, SLOT(handleUnsupportedContent(QNetworkReply *))); } BrowserMainWindow *WebPage::mainWindow() { QObject *w = this->parent(); while (w) { if (BrowserMainWindow *mw = qobject_cast(w)) return mw; w = w->parent(); } return BrowserApplication::instance()->mainWindow(); } bool WebPage::acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, NavigationType type) { // ctrl open in new tab // ctrl-shift open in new tab and select // ctrl-alt open in new window if (type == QWebPage::NavigationTypeLinkClicked && (m_keyboardModifiers & Qt::ControlModifier || m_pressedButtons == Qt::MidButton)) { bool newWindow = (m_keyboardModifiers & Qt::AltModifier); WebView *webView; if (newWindow) { BrowserApplication::instance()->newMainWindow(); BrowserMainWindow *newMainWindow = BrowserApplication::instance()->mainWindow(); webView = newMainWindow->currentTab(); newMainWindow->raise(); newMainWindow->activateWindow(); webView->setFocus(); } else { bool selectNewTab = (m_keyboardModifiers & Qt::ShiftModifier); webView = mainWindow()->tabWidget()->newTab(selectNewTab); } webView->load(request); m_keyboardModifiers = Qt::NoModifier; m_pressedButtons = Qt::NoButton; return false; } if (frame == mainFrame()) { m_loadingUrl = request.url(); emit loadingUrl(m_loadingUrl); } return QWebPage::acceptNavigationRequest(frame, request, type); } QWebPage *WebPage::createWindow(QWebPage::WebWindowType type) { Q_UNUSED(type); if (m_keyboardModifiers & Qt::ControlModifier || m_pressedButtons == Qt::MidButton) m_openInNewTab = true; if (m_openInNewTab) { m_openInNewTab = false; return mainWindow()->tabWidget()->newTab()->page(); } BrowserApplication::instance()->newMainWindow(); BrowserMainWindow *mainWindow = BrowserApplication::instance()->mainWindow(); return mainWindow->currentTab()->page(); } #if !defined(QT_NO_UITOOLS) QObject *WebPage::createPlugin(const QString &classId, const QUrl &url, const QStringList ¶mNames, const QStringList ¶mValues) { Q_UNUSED(url); Q_UNUSED(paramNames); Q_UNUSED(paramValues); QUiLoader loader; return loader.createWidget(classId, view()); } #endif // !defined(QT_NO_UITOOLS) void WebPage::handleUnsupportedContent(QNetworkReply *reply) { if (reply->error() == QNetworkReply::NoError) { BrowserApplication::downloadManager()->handleUnsupportedContent(reply); return; } QFile file(QLatin1String(":/notfound.html")); bool isOpened = file.open(QIODevice::ReadOnly); Q_ASSERT(isOpened); QString title = tr("Error loading page: %1").arg(reply->url().toString()); QString html = QString(QLatin1String(file.readAll())) .arg(title) .arg(reply->errorString()) .arg(reply->url().toString()); QBuffer imageBuffer; imageBuffer.open(QBuffer::ReadWrite); QIcon icon = view()->style()->standardIcon(QStyle::SP_MessageBoxWarning, 0, view()); QPixmap pixmap = icon.pixmap(QSize(32,32)); if (pixmap.save(&imageBuffer, "PNG")) { html.replace(QLatin1String("IMAGE_BINARY_DATA_HERE"), QString(QLatin1String(imageBuffer.buffer().toBase64()))); } QList frames; frames.append(mainFrame()); while (!frames.isEmpty()) { QWebFrame *frame = frames.takeFirst(); if (frame->url() == reply->url()) { frame->setHtml(html, reply->url()); return; } QList children = frame->childFrames(); foreach(QWebFrame *frame, children) frames.append(frame); } if (m_loadingUrl == reply->url()) { mainFrame()->setHtml(html, reply->url()); } } WebView::WebView(QWidget* parent) : QWebView(parent) , m_progress(0) , m_page(new WebPage(this)) { setPage(m_page); connect(page(), SIGNAL(statusBarMessage(const QString&)), SLOT(setStatusBarText(const QString&))); connect(this, SIGNAL(loadProgress(int)), this, SLOT(setProgress(int))); connect(this, SIGNAL(loadFinished(bool)), this, SLOT(loadFinished())); connect(page(), SIGNAL(loadingUrl(const QUrl&)), this, SIGNAL(urlChanged(const QUrl &))); connect(page(), SIGNAL(downloadRequested(const QNetworkRequest &)), this, SLOT(downloadRequested(const QNetworkRequest &))); page()->setForwardUnsupportedContent(true); } void WebView::contextMenuEvent(QContextMenuEvent *event) { QWebHitTestResult r = page()->mainFrame()->hitTestContent(event->pos()); if (!r.linkUrl().isEmpty()) { QMenu menu(this); menu.addAction(pageAction(QWebPage::OpenLinkInNewWindow)); menu.addAction(tr("Open in New Tab"), this, SLOT(openLinkInNewTab())); menu.addSeparator(); menu.addAction(pageAction(QWebPage::DownloadLinkToDisk)); // Add link to bookmarks... menu.addSeparator(); menu.addAction(pageAction(QWebPage::CopyLinkToClipboard)); if (page()->settings()->testAttribute(QWebSettings::DeveloperExtrasEnabled)) menu.addAction(pageAction(QWebPage::InspectElement)); menu.exec(mapToGlobal(event->pos())); return; } QWebView::contextMenuEvent(event); } void WebView::wheelEvent(QWheelEvent *event) { if (QApplication::keyboardModifiers() & Qt::ControlModifier) { int numDegrees = event->delta() / 8; int numSteps = numDegrees / 15; setTextSizeMultiplier(textSizeMultiplier() + numSteps * 0.1); event->accept(); return; } QWebView::wheelEvent(event); } void WebView::openLinkInNewTab() { m_page->m_openInNewTab = true; pageAction(QWebPage::OpenLinkInNewWindow)->trigger(); } void WebView::setProgress(int progress) { m_progress = progress; } void WebView::loadFinished() { if (100 != m_progress) { qWarning() << "Recieved finished signal while progress is still:" << progress() << "Url:" << url(); } m_progress = 0; } void WebView::loadUrl(const QUrl &url) { m_initialUrl = url; load(url); } QString WebView::lastStatusBarText() const { return m_statusBarText; } QUrl WebView::url() const { QUrl url = QWebView::url(); if (!url.isEmpty()) return url; return m_initialUrl; } void WebView::mousePressEvent(QMouseEvent *event) { m_page->m_pressedButtons = event->buttons(); m_page->m_keyboardModifiers = event->modifiers(); QWebView::mousePressEvent(event); } void WebView::mouseReleaseEvent(QMouseEvent *event) { QWebView::mouseReleaseEvent(event); if (!event->isAccepted() && (m_page->m_pressedButtons & Qt::MidButton)) { QUrl url(QApplication::clipboard()->text(QClipboard::Selection)); if (!url.isEmpty() && url.isValid() && !url.scheme().isEmpty()) { setUrl(url); } } } void WebView::setStatusBarText(const QString &string) { m_statusBarText = string; } void WebView::downloadRequested(const QNetworkRequest &request) { BrowserApplication::downloadManager()->download(request); }