diff options
author | Michal Klocek <michal.klocek@theqtcompany.com> | 2016-02-23 15:48:03 +0100 |
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committer | Kai Koehne <kai.koehne@theqtcompany.com> | 2016-03-16 07:58:00 +0000 |
commit | 0b6a32543f53784789991a4d4e8ad4f98c8446c6 (patch) | |
tree | 6c717eaf2114aa07c581d0d67534e6ff6828a877 /examples/webenginewidgets/simplebrowser/webview.cpp | |
parent | b3cc469ef024c864be6b6e757e7759736e373fef (diff) |
Strip down demobrowser to become simplebrowser
Demobrowser changes:
* remove QLocalServer/Socket
* remove AutoSaver
* remove restoreLastSession
* remove general QSettings
* remove downloadManager
* remove bookmarkManager
* remove historyManager
* remove searchBar
* favor setStyleSheet over overriding paint methods
* use lambdas where suitable
* use QProgressBar instead of own painted widget
* use QToolButton instead of own painted buttons
* remove QStackWidget, use single UrlLineEdit per window
instead of per tab
* split files to keep own classes: webpage and webview
* remove tracking windows by QPoiner
* remove WebPageActionMapper, TabBar classes
* remove QDrag dead code
* remove special OS X close app handling
* fix encapsulation, clean up application logic
Change-Id: I4849b6a2de739dea4f01229abdb90418601a2397
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>
Reviewed-by: Alexandru Croitor <alexandru.croitor@theqtcompany.com>
Diffstat (limited to 'examples/webenginewidgets/simplebrowser/webview.cpp')
-rw-r--r-- | examples/webenginewidgets/simplebrowser/webview.cpp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/examples/webenginewidgets/simplebrowser/webview.cpp b/examples/webenginewidgets/simplebrowser/webview.cpp new file mode 100644 index 000000000..1fabcc69f --- /dev/null +++ b/examples/webenginewidgets/simplebrowser/webview.cpp @@ -0,0 +1,189 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * 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. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "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 THE COPYRIGHT +** OWNER 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "browser.h" +#include "browserwindow.h" +#include "tabwidget.h" +#include "webpage.h" +#include "webpopupwindow.h" +#include "webview.h" +#include <QContextMenuEvent> +#include <QMenu> +#include <QMessageBox> +#include <QNetworkReply> +#include <QTimer> + +WebView::WebView(QWidget *parent) + : QWebEngineView(parent) + , m_loadProgress(0) +{ + connect(this, &QWebEngineView::loadProgress, [this](int progress) { + m_loadProgress = progress; + }); + connect(this, &QWebEngineView::loadFinished, [this](bool success) { + if (!success) { + qWarning() << "Could not load page: " << url(); + m_loadProgress = 0; + } + }); + connect(this, &QWebEngineView::iconUrlChanged, this, &WebView::handleIconUrlChanged); + connect(this, &QWebEngineView::renderProcessTerminated, + [this](QWebEnginePage::RenderProcessTerminationStatus termStatus, int statusCode) { + QString status; + switch (termStatus) { + case QWebEnginePage::NormalTerminationStatus: + status = tr("Render process normal exit"); + break; + case QWebEnginePage::AbnormalTerminationStatus: + status = tr("Render process abnormal exit"); + break; + case QWebEnginePage::CrashedTerminationStatus: + status = tr("Render process crashed"); + break; + case QWebEnginePage::KilledTerminationStatus: + status = tr("Render process killed"); + break; + } + QMessageBox::critical(window(), status, tr("Render process exited with code: %1").arg(statusCode)); + QTimer::singleShot(0, [this] { reload(); }); + }); +} + +void WebView::setPage(WebPage *page) +{ + createWebActionTrigger(page,QWebEnginePage::Forward); + createWebActionTrigger(page,QWebEnginePage::Back); + createWebActionTrigger(page,QWebEnginePage::Reload); + createWebActionTrigger(page,QWebEnginePage::Stop); + QWebEngineView::setPage(page); +} + +QIcon WebView::icon() const +{ + if (!m_icon.isNull()) + return m_icon; + return QIcon(QLatin1String(":defaulticon.png")); +} + +int WebView::loadProgress() const +{ + return m_loadProgress; +} + +void WebView::createWebActionTrigger(QWebEnginePage *page, QWebEnginePage::WebAction webAction) +{ + QAction *action = page->action(webAction); + connect(action, &QAction::changed, [this, action, webAction]{ + emit webActionEnabledChanged(webAction, action->isEnabled()); + }); +} + +bool WebView::isWebActionEnabled(QWebEnginePage::WebAction webAction) const +{ + return page()->action(webAction)->isEnabled(); +} + +QNetworkAccessManager &WebView::networkAccessManager() +{ + static QNetworkAccessManager networkAccessManager; + return networkAccessManager; +} + +QWebEngineView *WebView::createWindow(QWebEnginePage::WebWindowType type) +{ + switch (type) { + case QWebEnginePage::WebBrowserTab: { + BrowserWindow *mainWindow = qobject_cast<BrowserWindow*>(window()); + return mainWindow->tabWidget()->createTab(); + } + case QWebEnginePage::WebBrowserWindow: { + BrowserWindow *mainWindow = new BrowserWindow(); + Browser::instance().addWindow(mainWindow); + return mainWindow->currentTab(); + } + case QWebEnginePage::WebDialog: { + WebPopupWindow *popup = new WebPopupWindow(page()->profile()); + return popup->view(); + } + } + return nullptr; +} + +void WebView::contextMenuEvent(QContextMenuEvent *event) +{ + QMenu *menu = page()->createStandardContextMenu(); + const QList<QAction*> actions = menu->actions(); + auto it = std::find(actions.cbegin(), actions.cend(), page()->action(QWebEnginePage::OpenLinkInThisWindow)); + if (it != actions.cend()) { + (*it)->setText(tr("Open Link in This Tab")); + ++it; + menu->insertAction(*it, page()->action(QWebEnginePage::OpenLinkInNewWindow)); + menu->insertAction(*it, page()->action(QWebEnginePage::OpenLinkInNewTab)); + } + menu->popup(event->globalPos()); +} + +void WebView::handleIconUrlChanged(const QUrl &url) +{ + QNetworkRequest iconRequest(url); +#ifndef QT_NO_OPENSSL + QSslConfiguration conf = iconRequest.sslConfiguration(); + conf.setPeerVerifyMode(QSslSocket::VerifyNone); + iconRequest.setSslConfiguration(conf); +#endif + QNetworkReply *iconReply = networkAccessManager().get(iconRequest); + iconReply->setParent(this); + connect(iconReply, &QNetworkReply::finished, this, &WebView::handleIconLoaded); +} + +void WebView::handleIconLoaded() +{ + QNetworkReply *iconReply = qobject_cast<QNetworkReply*>(sender()); + if (iconReply && iconReply->error() == QNetworkReply::NoError) { + QByteArray data = iconReply->readAll(); + QPixmap pixmap; + pixmap.loadFromData(data); + m_icon.addPixmap(pixmap); + iconReply->deleteLater(); + } else { + m_icon = QIcon(QStringLiteral(":defaulticon.png")); + } + emit iconChanged(m_icon); +} |