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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "stylesheetdialog.h"
MainWindow::MainWindow(const QUrl &url) :
QMainWindow(),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
connect(ui->urlBar, &QLineEdit::returnPressed, this, &MainWindow::urlEntered);
connect(ui->webEngineView, &QWebEngineView::urlChanged, this, &MainWindow::urlChanged);
connect(ui->settingsButton, &QPushButton::clicked, this, &MainWindow::showStyleSheetsDialog);
connect(ui->reloadButton, &QPushButton::clicked, this, &MainWindow::reloadRequested);
QSettings settings;
settings.beginGroup("styleSheets");
QStringList styleSheets = settings.allKeys();
for (auto name : qAsConst(styleSheets))
insertStyleSheet(name, settings.value(name, QString()).toString(), false);
settings.endGroup();
ui->webEngineView->setUrl(url);
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::insertStyleSheet(const QString &name, const QString &source, bool immediately)
{
QWebEngineScript script;
QString s = QString::fromLatin1("(function() {"\
" css = document.createElement('style');"\
" css.type = 'text/css';"\
" css.id = '%1';"\
" document.head.appendChild(css);"\
" css.innerText = '%2';"\
"})()").arg(name).arg(source.simplified());
if (immediately)
ui->webEngineView->page()->runJavaScript(s, QWebEngineScript::ApplicationWorld);
script.setName(name);
script.setSourceCode(s);
script.setInjectionPoint(QWebEngineScript::DocumentReady);
script.setRunsOnSubFrames(true);
script.setWorldId(QWebEngineScript::ApplicationWorld);
ui->webEngineView->page()->scripts().insert(script);
}
void MainWindow::removeStyleSheet(const QString &name, bool immediately)
{
QString s = QString::fromLatin1("(function() {"\
" var element = document.getElementById('%1');"\
" element.outerHTML = '';"\
" delete element;"\
"})()").arg(name);
if (immediately)
ui->webEngineView->page()->runJavaScript(s, QWebEngineScript::ApplicationWorld);
QWebEngineScript script = ui->webEngineView->page()->scripts().findScript(name);
ui->webEngineView->page()->scripts().remove(script);
}
void MainWindow::urlEntered()
{
ui->webEngineView->setUrl(QUrl::fromUserInput(ui->urlBar->text()));
}
void MainWindow::urlChanged(const QUrl &url)
{
ui->urlBar->setText(url.toString());
}
void MainWindow::showStyleSheetsDialog()
{
StylesheetDialog *dialog = new StylesheetDialog(this);
dialog->show();
}
void MainWindow::reloadRequested()
{
ui->webEngineView->reload();
}
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