testing-repository/Qt5/simplebrowser/webview.cpp

199 lines
7.3 KiB
C++

/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
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#include "browser.h"
#include "browserwindow.h"
#include "tabwidget.h"
#include "webpage.h"
#include "webpopupwindow.h"
#include "webview.h"
#include <QContextMenuEvent>
#include <QDebug>
#include <QMenu>
#include <QMessageBox>
#include <QTimer>
WebView::WebView(QWidget *parent)
: QWebEngineView(parent)
, m_loadProgress(100)
{
connect(this, &QWebEngineView::loadStarted, [this]() {
m_loadProgress = 0;
emit favIconChanged(favIcon());
});
connect(this, &QWebEngineView::loadProgress, [this](int progress) {
m_loadProgress = progress;
});
connect(this, &QWebEngineView::loadFinished, [this](bool success) {
m_loadProgress = success ? 100 : -1;
emit favIconChanged(favIcon());
});
connect(this, &QWebEngineView::iconChanged, [this](const QIcon &) {
emit favIconChanged(favIcon());
});
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::StandardButton btn = QMessageBox::question(window(), status,
tr("Render process exited with code: %1\n"
"Do you want to reload the page ?").arg(statusCode));
if (btn == QMessageBox::Yes)
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);
}
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();
}
QIcon WebView::favIcon() const
{
QIcon favIcon = icon();
if (!favIcon.isNull())
return favIcon;
if (m_loadProgress < 0) {
static QIcon errorIcon(QStringLiteral(":dialog-error.png"));
return errorIcon;
} else if (m_loadProgress < 100) {
static QIcon loadingIcon(QStringLiteral(":view-refresh.png"));
return loadingIcon;
} else {
static QIcon defaultIcon(QStringLiteral(":text-html.png"));
return defaultIcon;
}
}
QWebEngineView *WebView::createWindow(QWebEnginePage::WebWindowType type)
{
BrowserWindow *mainWindow = qobject_cast<BrowserWindow*>(window());
if (!mainWindow)
return nullptr;
switch (type) {
case QWebEnginePage::WebBrowserTab: {
return mainWindow->tabWidget()->createTab();
}
case QWebEnginePage::WebBrowserBackgroundTab: {
return mainWindow->tabWidget()->createBackgroundTab();
}
case QWebEnginePage::WebBrowserWindow: {
return mainWindow->browser()->createWindow()->currentTab();
}
case QWebEnginePage::WebDialog: {
WebPopupWindow *popup = new WebPopupWindow(page()->profile());
connect(popup->view(), &WebView::devToolsRequested, this, &WebView::devToolsRequested);
return popup->view();
}
}
return nullptr;
}
void WebView::contextMenuEvent(QContextMenuEvent *event)
{
QMenu *menu = page()->createStandardContextMenu();
const QList<QAction *> actions = menu->actions();
auto inspectElement = std::find(actions.cbegin(), actions.cend(), page()->action(QWebEnginePage::InspectElement));
if (inspectElement == actions.cend()) {
auto viewSource = std::find(actions.cbegin(), actions.cend(), page()->action(QWebEnginePage::ViewSource));
if (viewSource == actions.cend())
menu->addSeparator();
QAction *action = new QAction(menu);
action->setText("Open inspector in new window");
connect(action, &QAction::triggered, [this]() { emit devToolsRequested(page()); });
QAction *before(inspectElement == actions.cend() ? nullptr : *inspectElement);
menu->insertAction(before, action);
} else {
(*inspectElement)->setText(tr("Inspect element"));
}
menu->popup(event->globalPos());
}