File indexing completed on 2024-05-12 04:58:26

 /* ============================================================
 * Falkon - Qt web browser
 * Copyright (C) 2018 David Rosca <nowrep@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 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 "closedwindowsmanager.h"
 #include "mainapplication.h"
 #include "tabbedwebview.h"
 #include "qztools.h"
 
 #include <QAction>
 
 ClosedWindowsManager::ClosedWindowsManager(QObject *parent)
     : QObject(parent)
 {
 }
 
 bool ClosedWindowsManager::isClosedWindowAvailable() const
 {
     return !m_closedWindows.isEmpty();
 }
 
 QVector<ClosedWindowsManager::Window> ClosedWindowsManager::closedWindows() const
 {
     return m_closedWindows;
 }
 
 void ClosedWindowsManager::saveWindow(BrowserWindow *window)
 {
     if (mApp->isPrivate() || mApp->windowCount() == 1 || !window->weView()) {
         return;
     }
 
     Window closedWindow;
     closedWindow.icon = window->weView()->icon();
     closedWindow.title = window->weView()->title();
     closedWindow.windowState = BrowserWindow::SavedWindow(window);
     m_closedWindows.prepend(closedWindow);
 }
 
 ClosedWindowsManager::Window ClosedWindowsManager::takeLastClosedWindow()
 {
     Window window;
     if (!m_closedWindows.isEmpty()) {
         window = m_closedWindows.takeFirst();
     }
     return window;
 }
 
 ClosedWindowsManager::Window ClosedWindowsManager::takeClosedWindowAt(int index)
 {
     Window window;
     if (QzTools::containsIndex(m_closedWindows, index)) {
         window = m_closedWindows.takeAt(index);
     }
     return window;
 }
 
 void ClosedWindowsManager::restoreClosedWindow()
 {
     Window window;
     auto *act = qobject_cast<QAction*>(sender());
     if (act) {
         window = takeClosedWindowAt(act->data().toInt());
     } else {
         window = takeLastClosedWindow();
     }
 
     if (!window.isValid()) {
         return;
     }
 
     mApp->createWindow(Qz::BW_OtherRestoredWindow)->restoreWindow(window.windowState);
 }
 
 void ClosedWindowsManager::restoreAllClosedWindows()
 {
     const int count = m_closedWindows.count();
     for (int i = 0; i < count; ++i) {
         restoreClosedWindow();
     }
 }
 
 void ClosedWindowsManager::clearClosedWindows()
 {
     m_closedWindows.clear();
 }
 
 static const int closedWindowsVersion = 1;
 
 QByteArray ClosedWindowsManager::saveState() const
 {
     QByteArray data;
     QDataStream stream(&data, QIODevice::WriteOnly);
 
     stream << closedWindowsVersion;
 
     // Only save last 3 windows
     const int windowCount = qBound(0, m_closedWindows.count(), 3);
     stream << windowCount;
 
     for (int i = 0; i < windowCount; ++i) {
         stream << m_closedWindows.at(i).windowState;
     }
 
     return data;
 }
 
 void ClosedWindowsManager::restoreState(const QByteArray &state)
 {
     QDataStream stream(state);
 
     int version;
     stream >> version;
 
     if (version < 1) {
         return;
     }
 
     m_closedWindows.clear();
 
     int windowCount;
     stream >> windowCount;
     m_closedWindows.reserve(windowCount);
 
     for (int i = 0; i < windowCount; ++i) {
         Window window;
         stream >> window.windowState;
         if (!window.isValid()) {
             continue;
         }
         window.icon = window.windowState.tabs.at(0).icon;
         window.title = window.windowState.tabs.at(0).title;
         m_closedWindows.append(window);
     }
 }