148 lines
4.7 KiB
C++
Executable File
148 lines
4.7 KiB
C++
Executable File
// This file is part of RSS Guard.
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//
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// Copyright (C) 2011-2014 by Martin Rotter <rotter.martinos@gmail.com>
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//
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// RSS Guard is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// RSS Guard is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with RSS Guard. If not, see <http://www.gnu.org/licenses/>.
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#include "miscellaneous/application.h"
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#include "miscellaneous/iconfactory.h"
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#include "gui/feedsview.h"
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#include "gui/feedmessageviewer.h"
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#include "gui/messagebox.h"
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#include "gui/formmain.h"
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#include <QSessionManager>
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#include <QThread>
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Application::Application(const QString &id, int &argc, char **argv)
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: QtSingleApplication(id, argc, argv),
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m_closeLock(NULL), m_userActions(QList<QAction*>()), m_mainForm(NULL),
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m_trayIcon(NULL), m_settings(NULL), m_system(NULL), m_skins(NULL),
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m_localization(NULL), m_icons(NULL), m_database(NULL) {
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connect(this, SIGNAL(aboutToQuit()), this, SLOT(onAboutToQuit()));
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connect(this, SIGNAL(commitDataRequest(QSessionManager&)), this, SLOT(onCommitData(QSessionManager&)));
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connect(this, SIGNAL(saveStateRequest(QSessionManager&)), this, SLOT(onSaveState(QSessionManager&)));
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}
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Application::~Application() {
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delete m_closeLock;
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}
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QList<QAction*> Application::userActions() {
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if (m_mainForm != NULL && m_userActions.isEmpty()) {
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m_userActions = m_mainForm->allActions();
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}
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return m_userActions;
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}
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IconFactory *Application::icons() {
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if (m_icons == NULL) {
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m_icons = new IconFactory(this);
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}
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return m_icons;
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}
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SystemTrayIcon *Application::trayIcon() {
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if (m_trayIcon == NULL) {
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m_trayIcon = new SystemTrayIcon(APP_ICON_PATH, APP_ICON_PLAIN_PATH, m_mainForm);
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m_trayIcon->setToolTip(APP_LONG_NAME);
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}
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return m_trayIcon;
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}
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void Application::showTrayIcon() {
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qDebug("Showing tray icon.");
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trayIcon()->show();
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if (m_mainForm != NULL) {
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m_mainForm->tabWidget()->feedMessageViewer()->feedsView()->notifyWithCounts();
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}
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}
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void Application::deleteTrayIcon() {
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if (m_trayIcon != NULL) {
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qDebug("Disabling tray icon, deleting it and raising main application window.");
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m_mainForm->display();
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delete m_trayIcon;
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m_trayIcon = NULL;
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// Make sure that application quits when last window is closed.
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setQuitOnLastWindowClosed(true);
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}
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}
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void Application::showGuiMessage(const QString& title, const QString& message,
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QSystemTrayIcon::MessageIcon message_type,
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QWidget *parent, int duration) {
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if (SystemTrayIcon::isSystemTrayActivated()) {
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// TODO: Maybe show OSD instead if tray icon bubble, depending on settings.
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trayIcon()->showMessage(title, message, message_type, duration);
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}
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else {
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// TODO: Tray icon or OSD is not available, display simple text box.
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MessageBox::show(parent, (QMessageBox::Icon) message_type, title, message);
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}
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}
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void Application::onCommitData(QSessionManager &manager) {
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qDebug("OS asked application to commit its data.");
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manager.setRestartHint(QSessionManager::RestartNever);
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manager.release();
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}
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void Application::onSaveState(QSessionManager &manager) {
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qDebug("OS asked application to save its state.");
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manager.setRestartHint(QSessionManager::RestartNever);
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manager.release();
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}
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void Application::onAboutToQuit() {
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// Make sure that we obtain close lock
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// BEFORE even trying to quit the application.
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bool locked_safely = closeLock()->tryLock(CLOSE_LOCK_TIMEOUT);
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processEvents();
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qDebug("Cleaning up resources and saving application state.");
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mainForm()->tabWidget()->feedMessageViewer()->quit();
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if (settings()->value(APP_CFG_MESSAGES, "clear_read_on_exit", false).toBool()) {
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mainForm()->tabWidget()->feedMessageViewer()->feedsView()->clearAllReadMessages();
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}
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database()->saveDatabase();
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mainForm()->saveSize();
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if (locked_safely) {
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// Application obtained permission to close
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// in a safety way.
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qDebug("Close lock was obtained safely.");
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// We locked the lock to exit peacefully, unlock it to avoid warnings.
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closeLock()->unlock();
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}
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else {
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// Request for write lock timed-out. This means
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// that some critical action can be processed right now.
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qDebug("Close lock timed-out.");
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}
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}
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