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/***************************************************************************
* Copyright (C) 2013~2013 by CSSlayer *
* wengxt@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <QMessageBox>
#include <QIcon>
#include <QTextCodec>
#include <QTemporaryFile>
#include <QUrl>
#include <QUrlQuery>
#include <QWebEngineView>
#include <QDebug>
#include "guicommon.h"
#include "filedownloader.h"
#include "scelconverter.h"
#include "browserdialog.h"
#include "ui_browserdialog.h"
/*
* a typical link looks like this.
* http://download.pinyin.sogou.com/dict/download_cell.php?id=15207&name=%D6%B2%CE%EF%B4%CA%BB%E3%B4%F3%C8%AB%A1%BE%B9%D9%B7%BD%CD%C6%BC%F6%A1%BF
*/
class WebPage : public QWebEnginePage {
public:
WebPage(BrowserDialog *dialog) : QWebEnginePage(dialog), m_dialog(dialog) {
}
protected:
bool acceptNavigationRequest(const QUrl &url, NavigationType type, bool isMainFrame) override {
return m_dialog->linkClicked(url);
}
private:
BrowserDialog *m_dialog;
};
BrowserDialog::BrowserDialog(QWidget* parent): QDialog(parent)
,m_ui(new Ui::BrowserDialog), m_page(new WebPage(this))
{
m_ui->setupUi(this);
m_ui->webView->setPage(m_page);
m_ui->listWidget->hide();
setWindowIcon(QIcon::fromTheme("internet-web-browser"));
setWindowTitle(_("Browse Sogou Cell Dict repository"));
connect(m_ui->webView, &QWebEngineView::loadProgress, m_ui->progressBar, &QProgressBar::setValue);
connect(m_ui->webView, &QWebEngineView::loadStarted, m_ui->progressBar, &QProgressBar::show);
connect(m_ui->webView, &QWebEngineView::loadFinished, m_ui->progressBar, &QProgressBar::hide);
m_ui->webView->load(QUrl(URL_BASE));
}
BrowserDialog::~BrowserDialog()
{
delete m_ui;
}
QString BrowserDialog::decodeName(const QByteArray& in)
{
QTextCodec* codec = QTextCodec::codecForName("UTF-8");
if (!codec) {
return QString();
}
QByteArray out = QByteArray::fromPercentEncoding(in);
return codec->toUnicode(out);
}
bool BrowserDialog::linkClicked(const QUrl& url)
{
do {
if (url.host() != DOWNLOAD_HOST_BASE) {
break;
}
if (url.path() != "/dict/download_cell.php") {
break;
}
QUrlQuery query(url);
QString id = query.queryItemValue("id");
QByteArray name = query.queryItemValue("name", QUrl::FullyEncoded).toLatin1();
QString sname = decodeName(name);
m_name = sname;
if (!id.isEmpty() && !sname.isEmpty()) {
download(url);
return false;
}
} while(0);
if (url.host() != HOST_BASE) {
QMessageBox::information(this, _("Wrong Link"),
_("No browsing outside pinyin.sogou.com, now redirect to home page."));
m_ui->webView->load(QUrl(URL_BASE));
return false;
} else {
return true;
}
}
void BrowserDialog::download(const QUrl& url)
{
m_ui->webView->stop();
m_ui->webView->hide();
m_ui->progressBar->hide();
m_ui->listWidget->show();
FileDownloader* downloader = new FileDownloader(this);
connect(downloader, SIGNAL(message(QMessageBox::Icon,QString)), SLOT(showMessage(QMessageBox::Icon,QString)));
connect(downloader, SIGNAL(finished(bool)), SLOT(downloadFinished(bool)));
connect(downloader, SIGNAL(finished(bool)), downloader, SLOT(deleteLater()));
downloader->download(url);
}
void BrowserDialog::showMessage(QMessageBox::Icon msgLevel, const QString& message)
{
QString iconName;
switch(msgLevel) {
case QMessageBox::Warning:
iconName = "dialog-warning";
break;
case QMessageBox::Critical:
iconName = "dialog-error";
break;
case QMessageBox::Information:
iconName = "dialog-information";
break;
default:
break;
}
QListWidgetItem* item = new QListWidgetItem(QIcon::fromTheme(iconName), message, m_ui->listWidget);
m_ui->listWidget->addItem(item);
}
void BrowserDialog::downloadFinished(bool succ)
{
FileDownloader* downloader = qobject_cast< FileDownloader* >(sender());
if (!succ) {
return;
}
QString fileName = downloader->fileName();
ScelConverter* converter = new ScelConverter(this);
connect(converter, SIGNAL(message(QMessageBox::Icon,QString)), SLOT(showMessage(QMessageBox::Icon,QString)));
connect(converter, SIGNAL(finished(bool)), SLOT(convertFinished(bool)));
connect(converter, SIGNAL(finished(bool)), converter, SLOT(deleteLater()));
converter->convert(fileName, m_name.append(".txt"));
}
void BrowserDialog::convertFinished(bool succ)
{
if (succ) {
accept();
}
}
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