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/*
* This file is part of smolbote. It's copyrighted by the contributors recorded
* in the version control history of the file, available from its original
* location: git://neueland.iserlohn-fortress.net/smolbote.git
*
* SPDX-License-Identifier: GPL-3.0
*/
#include "webview.h"
// copy page URL
#include <QApplication>
#include <QClipboard>
// zoom widget
#include <QLabel>
#include <QSlider>
#include <QStyle>
#include <QToolButton>
#include <QVBoxLayout>
#include <QWidgetAction>
// printer support
#include <QFileDialog>
#include <QPrintDialog>
#include <QPrinter>
#include <QPrinterInfo>
#include "src/mainwindow/mainwindow.h"
#include <QStatusBar>
// ssl errors
#include "lib/navigation/urllineedit.h"
WebView::WebView(MainWindow *parentMainWindow, QWidget *parent)
: QWebEngineView(parent)
{
Q_CHECK_PTR(parentMainWindow);
m_parent = parentMainWindow;
// load status and progress
connect(this, &QWebEngineView::loadStarted, this, [this]() {
m_loaded = false;
});
connect(this, &QWebEngineView::loadFinished, this, [this]() {
m_loaded = true;
});
connect(this, &QWebEngineView::loadProgress, this, [this](int progress) {
m_loadProgress = progress;
});
m_pageMenu = new QMenu();
m_pageMenu->setMinimumWidth(240);
QAction *copyUrlAction = m_pageMenu->addAction(tr("Copy page URL"));
connect(copyUrlAction, &QAction::triggered, [this]() {
qApp->clipboard()->setText(this->url().toString());
});
QAction *bookmarkAction = m_pageMenu->addAction(tr("TODO: Bookmark page"));
connect(bookmarkAction, &QAction::triggered, this, [this]() {
emit newBookmark(this->title(), this->url());
});
m_pageMenu->addSeparator();
QWidgetAction *zoomWidgetAction = new QWidgetAction(m_pageMenu);
{
QWidget *widget = new QWidget(m_pageMenu);
zoomWidgetAction->setDefaultWidget(widget);
QVBoxLayout *layout = new QVBoxLayout(widget);
widget->setLayout(layout);
QLabel *zoomLabel = new QLabel(tr("Zoom: 1x"));
layout->addWidget(zoomLabel);
QHBoxLayout *zoomLayout = new QHBoxLayout();
layout->addLayout(zoomLayout);
QSlider *zoomSlider = new QSlider(Qt::Horizontal);
zoomSlider->setMinimum(5);
zoomSlider->setMaximum(50);
zoomSlider->setValue(10);
zoomLayout->addWidget(zoomSlider);
QToolButton *zoomResetButton = new QToolButton(widget);
zoomResetButton->setIcon(widget->style()->standardIcon(QStyle::SP_BrowserReload));
zoomLayout->addWidget(zoomResetButton);
connect(zoomResetButton, &QToolButton::clicked, [zoomSlider]() {
zoomSlider->setValue(10);
});
connect(zoomSlider, &QSlider::valueChanged, this, [this, zoomLabel](int value) {
zoomLabel->setText(tr("Zoom: %1x").arg(static_cast<qreal>(value) / 10));
this->setZoomFactor(static_cast<qreal>(value) / 10);
});
}
m_pageMenu->addAction(zoomWidgetAction);
m_pageMenu->addSeparator();
QAction *savePageAction = m_pageMenu->addAction(tr("TODO: Save Page"));
connect(savePageAction, &QAction::triggered, this, [this]() {
this->triggerPageAction(QWebEnginePage::SavePage);
});
#if QT_VERSION >= QT_VERSION_CHECK(5, 8, 0)
QAction *printAction = m_pageMenu->addAction(tr("Print page"));
connect(printAction, &QAction::triggered, [this]() {
QPrinter *printer = new QPrinter(QPrinterInfo::defaultPrinter());
QPrintDialog *dlg = new QPrintDialog(printer, nullptr);
if(dlg->exec() == QDialog::Accepted) {
this->page()->print(printer, [printer](bool success) {
qDebug("print %s", success ? "ok" : "failed");
delete printer;
});
}
delete dlg;
});
#endif
QAction *printPdfAction = m_pageMenu->addAction(tr("Print to PDF"));
connect(printPdfAction, &QAction::triggered, [this]() {
const QString path = QFileDialog::getSaveFileName(this, tr("Print to PDF"), QDir::homePath(), tr("PDF files (*.pdf)"));
this->page()->printToPdf(path);
});
}
WebView::~WebView()
{
delete m_pageMenu;
}
QMenu *WebView::pageMenu()
{
Q_CHECK_PTR(m_pageMenu);
return m_pageMenu;
}
void WebView::setPage(WebPage *page)
{
Q_CHECK_PTR(page);
// make sure the page gets cleaned up if we replace it by taking ownership
page->setParent(this);
connect(page, &WebPage::linkHovered, this, &WebView::handleLinkHovered);
connect(page, &WebPage::certificateErrorMessage, this, &WebView::handleCertificateError);
QWebEngineView::setPage(page);
}
bool WebView::isLoaded() const
{
return m_loaded;
}
int WebView::loadProgress() const
{
return m_loadProgress;
}
WebView *WebView::createWindow(QWebEnginePage::WebWindowType type)
{
WebView *view = new WebView(m_parent);
switch(type) {
case QWebEnginePage::WebBrowserWindow:
// a complete web browser window
m_parent->newWindow()->tabBar->addTab(view);
break;
case QWebEnginePage::WebBrowserTab:
// a web browser tab
m_parent->tabBar->setCurrentIndex(m_parent->tabBar->addTab(view));
break;
case QWebEnginePage::WebDialog:
// a window without decorations
m_parent->newWindow()->tabBar->addTab(view);
break;
case QWebEnginePage::WebBrowserBackgroundTab:
// a web browser tab, but don't swap to it
m_parent->tabBar->addTab(view);
break;
}
return view;
}
void WebView::handleLinkHovered(const QString &url)
{
if(isVisible()) {
m_parent->statusBar()->showMessage(url);
}
}
void WebView::handleCertificateError(const QString &message)
{
m_parent->m_addressBar->showSslError(message);
}
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