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/*******************************************************************************
**
** smolbote: yet another qute browser
** Copyright (C) 2017 Xian Nox
**
** 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 3 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, see <http://www.gnu.org/licenses/>.
**
******************************************************************************/
#include "navigationbutton.h"
#include <QStyle>
#include <QWebEngineHistory>
#include <QMenu>
NavigationButton::NavigationButton(Type type, QWidget *parent) :
QToolButton(parent)
{
m_type = type;
menu = new QMenu(this);
switch (type) {
case BackButton:
setIcon(style()->standardIcon(QStyle::SP_ArrowBack));
setMenu(menu);
break;
case ForwardButton:
setIcon(style()->standardIcon(QStyle::SP_ArrowForward));
setMenu(menu);
break;
}
connect(this, &NavigationButton::clicked, this, &NavigationButton::doAction);
connect(menu, &QMenu::aboutToShow, this, &NavigationButton::prepareMenu);
}
void NavigationButton::setView(const WebView *view)
{
disconnect(loadFinishedConnection);
m_view = view;
updateEnableState();
loadFinishedConnection = connect(view, &WebView::loadFinished, this, &NavigationButton::updateEnableState);
}
void NavigationButton::updateEnableState()
{
switch (m_type) {
case BackButton:
if(m_view->history()->canGoBack()) {
setEnabled(true);
} else {
setEnabled(false);
}
break;
case ForwardButton:
if(m_view->history()->canGoForward()) {
setEnabled(true);
} else {
setEnabled(false);
}
break;
}
}
void NavigationButton::doAction()
{
switch (m_type) {
case BackButton:
m_view->history()->back();
break;
case ForwardButton:
m_view->history()->forward();
break;
}
}
void NavigationButton::prepareMenu()
{
menu->clear();
QList<QWebEngineHistoryItem> items;
switch (m_type) {
case BackButton:
items = m_view->history()->backItems(10);
break;
case ForwardButton:
items = m_view->history()->forwardItems(10);
break;
}
for(QWebEngineHistoryItem i : items) {
QAction *a = menu->addAction(i.title());
connect(a, &QAction::triggered, [i, this]() {
m_view->history()->goToItem(i);
});
}
}
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