/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.

For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "platform/linux/main_window_linux.h"

#include "styles/style_window.h"
#include "platform/linux/linux_libs.h"
#include "platform/linux/linux_desktop_environment.h"
#include "platform/platform_notifications_manager.h"
#include "history/history.h"
#include "mainwindow.h"
#include "core/application.h"
#include "lang/lang_keys.h"
#include "storage/localstorage.h"

#include <QtDBus>
#include <QtWidgets/QMenu>
#include <QtWidgets/QAction>

namespace Platform {
namespace {

bool noQtTrayIcon = false, tryAppIndicator = false;
bool useGtkBase = false, useAppIndicator = false, useStatusIcon = false, trayIconChecked = false, useUnityCount = false;

#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
AppIndicator *_trayIndicator = 0;
GtkStatusIcon *_trayIcon = 0;
GtkWidget *_trayMenu = 0;
GdkPixbuf *_trayPixbuf = 0;
QByteArray _trayPixbufData;
QList<QPair<GtkWidget*, QObject*> > _trayItems;
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION

int32 _trayIconSize = 22;
bool _trayIconMuted = true;
int32 _trayIconCount = 0;
QImage _trayIconImageBack, _trayIconImage;
QString _desktopFile;
QString _dbusPath = "/";

#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
void _trayIconPopup(GtkStatusIcon *status_icon, guint button, guint32 activate_time, gpointer popup_menu) {
	Libs::gtk_menu_popup(Libs::gtk_menu_cast(popup_menu), NULL, NULL, Libs::gtk_status_icon_position_menu, status_icon, button, activate_time);
}

void _trayIconActivate(GtkStatusIcon *status_icon, gpointer popup_menu) {
	if (App::wnd()->isActiveWindow() && App::wnd()->isVisible()) {
		Libs::gtk_menu_popup(Libs::gtk_menu_cast(popup_menu), NULL, NULL, Libs::gtk_status_icon_position_menu, status_icon, 0, Libs::gtk_get_current_event_time());
	} else {
		App::wnd()->showFromTray();
	}
}

gboolean _trayIconResized(GtkStatusIcon *status_icon, gint size, gpointer popup_menu) {
	_trayIconSize = size;
	if (Global::started()) Notify::unreadCounterUpdated();
	return FALSE;
}
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION

#define QT_RED 0
#define QT_GREEN 1
#define QT_BLUE 2
#define QT_ALPHA 3

#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
#define GTK_RED 2
#define GTK_GREEN 1
#define GTK_BLUE 0
#define GTK_ALPHA 3
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION

QImage _trayIconImageGen() {
	const auto counter = Core::App().unreadBadge();
	const auto muted = Core::App().unreadBadgeMuted();
	const auto counterSlice = (counter >= 1000)
		? (1000 + (counter % 100))
		: counter;
	if (_trayIconImage.isNull() || _trayIconImage.width() != _trayIconSize || muted != _trayIconMuted || counterSlice != _trayIconCount) {
		if (_trayIconImageBack.isNull() || _trayIconImageBack.width() != _trayIconSize) {
			_trayIconImageBack = Core::App().logo().scaled(_trayIconSize, _trayIconSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
			_trayIconImageBack = _trayIconImageBack.convertToFormat(QImage::Format_ARGB32);
			int w = _trayIconImageBack.width(), h = _trayIconImageBack.height(), perline = _trayIconImageBack.bytesPerLine();
			uchar *bytes = _trayIconImageBack.bits();
			for (int32 y = 0; y < h; ++y) {
				for (int32 x = 0; x < w; ++x) {
					int32 srcoff = y * perline + x * 4;
					bytes[srcoff + QT_RED  ] = qMax(bytes[srcoff + QT_RED  ], uchar(224));
					bytes[srcoff + QT_GREEN] = qMax(bytes[srcoff + QT_GREEN], uchar(165));
					bytes[srcoff + QT_BLUE ] = qMax(bytes[srcoff + QT_BLUE ], uchar(44));
				}
			}
		}
		_trayIconImage = _trayIconImageBack;
		_trayIconMuted = muted;
		_trayIconCount = counterSlice;
		if (counter > 0) {
			QPainter p(&_trayIconImage);
			int32 layerSize = -16;
			if (_trayIconSize >= 48) {
				layerSize = -32;
			} else if (_trayIconSize >= 36) {
				layerSize = -24;
			} else if (_trayIconSize >= 32) {
				layerSize = -20;
			}
			auto &bg = (muted ? st::trayCounterBgMute : st::trayCounterBg);
			auto &fg = st::trayCounterFg;
			auto layer = App::wnd()->iconWithCounter(layerSize, counter, bg, fg, false);
			p.drawImage(_trayIconImage.width() - layer.width() - 1, _trayIconImage.height() - layer.height() - 1, layer);
		}
	}
	return _trayIconImage;
}

QString _trayIconImageFile() {
	const auto counter = Core::App().unreadBadge();
	const auto muted = Core::App().unreadBadgeMuted();
	const auto counterSlice = (counter >= 1000) ? (1000 + (counter % 100)) : counter;

	QString name = cWorkingDir() + qsl("tdata/ticons/icon%1_%2_%3.png").arg(muted ? "mute" : "").arg(_trayIconSize).arg(counterSlice);
	QFileInfo info(name);
	if (info.exists()) return name;

	QImage img = _trayIconImageGen();
	if (img.save(name, "PNG")) return name;

	QDir dir(info.absoluteDir());
	if (!dir.exists()) {
		dir.mkpath(dir.absolutePath());
		if (img.save(name, "PNG")) return name;
	}

	return QString();
}
#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION

void loadPixbuf(QImage image) {
	int w = image.width(), h = image.height(), perline = image.bytesPerLine(), s = image.byteCount();
	_trayPixbufData.resize(w * h * 4);
	uchar *result = (uchar*)_trayPixbufData.data(), *bytes = image.bits();
	for (int32 y = 0; y < h; ++y) {
		for (int32 x = 0; x < w; ++x) {
			int32 offset = (y * w + x) * 4, srcoff = y * perline + x * 4;
			result[offset + GTK_RED  ] = bytes[srcoff + QT_RED  ];
			result[offset + GTK_GREEN] = bytes[srcoff + QT_GREEN];
			result[offset + GTK_BLUE ] = bytes[srcoff + QT_BLUE ];
			result[offset + GTK_ALPHA] = bytes[srcoff + QT_ALPHA];
		}
	}

	if (_trayPixbuf) Libs::g_object_unref(_trayPixbuf);
	_trayPixbuf = Libs::gdk_pixbuf_new_from_data(result, GDK_COLORSPACE_RGB, true, 8, w, h, w * 4, 0, 0);
}

void _trayMenuCallback(GtkMenu *menu, gpointer data) {
	for (int32 i = 0, l = _trayItems.size(); i < l; ++i) {
		if ((void*)_trayItems.at(i).first == (void*)menu) {
			QMetaObject::invokeMethod(_trayItems.at(i).second, "triggered");
		}
	}
}

static gboolean _trayIconCheck(gpointer/* pIn*/) {
	if (useStatusIcon && !trayIconChecked) {
		if (Libs::gtk_status_icon_is_embedded(_trayIcon)) {
			trayIconChecked = true;
			cSetSupportTray(true);
			if (Global::started()) {
				Global::RefWorkMode().setForced(Global::WorkMode().value(), true);
			}
			if (App::wnd()) {
				Notify::unreadCounterUpdated();
				App::wnd()->updateTrayMenu();
			}
		}
	}
	return FALSE;
}

#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION

quint32 djbStringHash(QString string) {
        quint32 hash = 5381;
        QByteArray chars = string.toLatin1();
        for(int i = 0; i < chars.length(); i++){
                hash = (hash << 5) + hash + chars[i];
        }
        return hash;
}

} // namespace

MainWindow::MainWindow(not_null<Window::Controller*> controller)
: Window::MainWindow(controller) {
	connect(&_psCheckStatusIconTimer, SIGNAL(timeout()), this, SLOT(psStatusIconCheck()));
	_psCheckStatusIconTimer.setSingleShot(false);

	connect(&_psUpdateIndicatorTimer, SIGNAL(timeout()), this, SLOT(psUpdateIndicator()));
	_psUpdateIndicatorTimer.setSingleShot(true);
}

bool MainWindow::hasTrayIcon() const {
#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
	return trayIcon || ((useAppIndicator || (useStatusIcon && trayIconChecked)) && (Global::WorkMode().value() != dbiwmWindowOnly));
#else
	return trayIcon;
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
}

void MainWindow::psStatusIconCheck() {
#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
	_trayIconCheck(0);
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
	if (cSupportTray() || !--_psCheckStatusIconLeft) {
		_psCheckStatusIconTimer.stop();
		return;
	}
}

void MainWindow::psShowTrayMenu() {
}

void MainWindow::psTrayMenuUpdated() {
#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
	if (noQtTrayIcon && (useAppIndicator || useStatusIcon)) {
		const QList<QAction*> &actions = trayIconMenu->actions();
		if (_trayItems.isEmpty()) {
			DEBUG_LOG(("Creating tray menu!"));
			for (int32 i = 0, l = actions.size(); i != l; ++i) {
				GtkWidget *item = Libs::gtk_menu_item_new_with_label(actions.at(i)->text().toUtf8());
				Libs::gtk_menu_shell_append(Libs::gtk_menu_shell_cast(_trayMenu), item);
				Libs::g_signal_connect_helper(item, "activate", G_CALLBACK(_trayMenuCallback), this);
				Libs::gtk_widget_show(item);
				Libs::gtk_widget_set_sensitive(item, actions.at(i)->isEnabled());

				_trayItems.push_back(qMakePair(item, actions.at(i)));
			}
		} else {
			DEBUG_LOG(("Updating tray menu!"));
			for (int32 i = 0, l = actions.size(); i != l; ++i) {
				if (i < _trayItems.size()) {
					Libs::gtk_menu_item_set_label(reinterpret_cast<GtkMenuItem*>(_trayItems.at(i).first), actions.at(i)->text().toUtf8());
					Libs::gtk_widget_set_sensitive(_trayItems.at(i).first, actions.at(i)->isEnabled());
				}
			}
		}
	}
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
}

void MainWindow::psSetupTrayIcon() {
	if (noQtTrayIcon) {
		if (!cSupportTray()) return;
		updateIconCounters();
	} else {
		LOG(("Using Qt tray icon."));
		if (!trayIcon) {
			trayIcon = new QSystemTrayIcon(this);
			QIcon icon;
			QFileInfo iconFile(_trayIconImageFile());
			if (iconFile.exists()) {
				QByteArray path = QFile::encodeName(iconFile.absoluteFilePath());
				icon = QIcon(path.constData());
			} else {
				icon = Window::CreateIcon(&account());
			}
			trayIcon->setIcon(icon);

			// This is very important for native notifications via libnotify!
			// Some notification servers compose several notifications with a "Reply"
			// action into one and after that a click on "Reply" button does not call
			// the specified callback from any of the sent notification - libnotify
			// just ignores ibus messages, but Qt tray icon at least emits this signal.
			connect(trayIcon, SIGNAL(messageClicked()), this, SLOT(showFromTray()));

			attachToTrayIcon(trayIcon);
		}
		updateIconCounters();

		trayIcon->show();
	}
}

void MainWindow::workmodeUpdated(DBIWorkMode mode) {
	if (!cSupportTray()) return;

	if (mode == dbiwmWindowOnly) {
		if (noQtTrayIcon) {
#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
			if (useAppIndicator) {
				Libs::app_indicator_set_status(_trayIndicator, APP_INDICATOR_STATUS_PASSIVE);
			} else if (useStatusIcon) {
				Libs::gtk_status_icon_set_visible(_trayIcon, false);
			}
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
		} else {
			if (trayIcon) {
				trayIcon->setContextMenu(0);
				trayIcon->deleteLater();
			}
			trayIcon = 0;
		}
	} else {
		if (noQtTrayIcon) {
#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
			if (useAppIndicator) {
				Libs::app_indicator_set_status(_trayIndicator, APP_INDICATOR_STATUS_ACTIVE);
			} else if (useStatusIcon) {
				Libs::gtk_status_icon_set_visible(_trayIcon, true);
			}
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
		} else {
			psSetupTrayIcon();
		}
	}
}

void MainWindow::psUpdateIndicator() {
#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
	_psUpdateIndicatorTimer.stop();
	_psLastIndicatorUpdate = crl::now();
	QFileInfo iconFile(_trayIconImageFile());
	if (iconFile.exists()) {
		QByteArray path = QFile::encodeName(iconFile.absoluteFilePath()), name = QFile::encodeName(iconFile.fileName());
		name = name.mid(0, name.size() - 4);
		Libs::app_indicator_set_icon_full(_trayIndicator, path.constData(), name);
	} else {
		useAppIndicator = false;
	}
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
}

void MainWindow::unreadCounterChangedHook() {
	setWindowTitle(titleText());
	updateIconCounters();
}

void MainWindow::updateIconCounters() {
	updateWindowIcon();

	const auto counter = Core::App().unreadBadge();

	if (useUnityCount) {
		QVariantMap dbusUnityProperties;
		if (counter > 0) {
			// Gnome requires that count is a 64bit integer
			dbusUnityProperties.insert("count", (qint64) ((counter > 9999) ? 9999 : (counter)));
			dbusUnityProperties.insert("count-visible", true);
		} else {
			dbusUnityProperties.insert("count-visible", false);
		}
		QDBusMessage signal = QDBusMessage::createSignal(_dbusPath, "com.canonical.Unity.LauncherEntry", "Update");
		signal << "application://" + _desktopFile;
		signal << dbusUnityProperties;
		QDBusConnection::sessionBus().send(signal);
	}

	if (noQtTrayIcon) {
#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
		if (useAppIndicator) {
			if (crl::now() > _psLastIndicatorUpdate + 1000) {
				psUpdateIndicator();
			} else if (!_psUpdateIndicatorTimer.isActive()) {
				_psUpdateIndicatorTimer.start(100);
			}
		} else if (useStatusIcon && trayIconChecked) {
			QFileInfo iconFile(_trayIconImageFile());
			if (iconFile.exists()) {
				QByteArray path = QFile::encodeName(iconFile.absoluteFilePath());
				Libs::gtk_status_icon_set_from_file(_trayIcon, path.constData());
			} else {
				loadPixbuf(_trayIconImageGen());
				Libs::gtk_status_icon_set_from_pixbuf(_trayIcon, _trayPixbuf);
			}
		}
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
	} else if (trayIcon) {
		QIcon icon;
		QFileInfo iconFile(_trayIconImageFile());
		if (iconFile.exists()) {
			QByteArray path = QFile::encodeName(iconFile.absoluteFilePath());
			icon = QIcon(path.constData());
		} else {
			const auto counter = Core::App().unreadBadge();
			const auto muted = Core::App().unreadBadgeMuted();

			auto &bg = (muted ? st::trayCounterBgMute : st::trayCounterBg);
			auto &fg = st::trayCounterFg;
			icon.addPixmap(App::pixmapFromImageInPlace(iconWithCounter(16, counter, bg, fg, true)));
			icon.addPixmap(App::pixmapFromImageInPlace(iconWithCounter(32, counter, bg, fg, true)));
		}
		trayIcon->setIcon(icon);
	}
}

void MainWindow::LibsLoaded() {
	noQtTrayIcon = !DesktopEnvironment::TryQtTrayIcon();
#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
	tryAppIndicator = DesktopEnvironment::PreferAppIndicatorTrayIcon();
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION

	LOG(("Tray Icon: Try Qt = %1, Prefer appindicator = %2").arg(Logs::b(!noQtTrayIcon)).arg(Logs::b(tryAppIndicator)));

	if (noQtTrayIcon) cSetSupportTray(false);

#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
	useGtkBase = (Libs::gtk_init_check != nullptr)
			&& (Libs::gtk_menu_new != nullptr)
			&& (Libs::gtk_menu_get_type != nullptr)
			&& (Libs::gtk_menu_item_new_with_label != nullptr)
			&& (Libs::gtk_menu_item_set_label != nullptr)
			&& (Libs::gtk_menu_shell_append != nullptr)
			&& (Libs::gtk_menu_shell_get_type != nullptr)
			&& (Libs::gtk_widget_show != nullptr)
			&& (Libs::gtk_widget_get_toplevel != nullptr)
			&& (Libs::gtk_widget_get_visible != nullptr)
			&& (Libs::gtk_widget_set_sensitive != nullptr)
			&& (Libs::g_type_check_instance_cast != nullptr)
			&& (Libs::g_signal_connect_data != nullptr)
			&& (Libs::g_object_ref_sink != nullptr)
			&& (Libs::g_object_unref != nullptr);

	useAppIndicator = useGtkBase
			&& (Libs::app_indicator_new != nullptr)
			&& (Libs::app_indicator_set_status != nullptr)
			&& (Libs::app_indicator_set_menu != nullptr)
			&& (Libs::app_indicator_set_icon_full != nullptr);

	if (tryAppIndicator && useGtkBase && useAppIndicator) {
		noQtTrayIcon = true;
		cSetSupportTray(false);
	}

	useStatusIcon = (Libs::gdk_init_check != nullptr)
			&& (Libs::gdk_pixbuf_new_from_data != nullptr)
			&& (Libs::gtk_status_icon_new_from_pixbuf != nullptr)
			&& (Libs::gtk_status_icon_set_from_pixbuf != nullptr)
			&& (Libs::gtk_status_icon_new_from_file != nullptr)
			&& (Libs::gtk_status_icon_set_from_file != nullptr)
			&& (Libs::gtk_status_icon_set_title != nullptr)
			&& (Libs::gtk_status_icon_set_tooltip_text != nullptr)
			&& (Libs::gtk_status_icon_set_visible != nullptr)
			&& (Libs::gtk_status_icon_is_embedded != nullptr)
			&& (Libs::gtk_status_icon_get_geometry != nullptr)
			&& (Libs::gtk_status_icon_position_menu != nullptr)
			&& (Libs::gtk_menu_popup != nullptr)
			&& (Libs::gtk_get_current_event_time != nullptr)
			&& (Libs::g_idle_add != nullptr);
	if (useStatusIcon) {
		DEBUG_LOG(("Status icon api loaded!"));
	}
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
}

void MainWindow::psCreateTrayIcon() {
	if (!noQtTrayIcon) {
		LOG(("Tray Icon: Using Qt tray icon, available: %1").arg(Logs::b(QSystemTrayIcon::isSystemTrayAvailable())));
		cSetSupportTray(QSystemTrayIcon::isSystemTrayAvailable());
		return;
	}

#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
	if (useAppIndicator) {
		DEBUG_LOG(("Trying to create AppIndicator"));
		_trayMenu = Libs::gtk_menu_new();
		if (_trayMenu) {
			DEBUG_LOG(("Created gtk menu for appindicator!"));
			QFileInfo iconFile(_trayIconImageFile());
			if (iconFile.exists()) {
				QByteArray path = QFile::encodeName(iconFile.absoluteFilePath());
				_trayIndicator = Libs::app_indicator_new("Telegram Desktop", path.constData(), APP_INDICATOR_CATEGORY_APPLICATION_STATUS);
				if (_trayIndicator) {
					LOG(("Tray Icon: Using appindicator tray icon."));
				} else {
					DEBUG_LOG(("Failed to app_indicator_new()!"));
				}
			} else {
				useAppIndicator = false;
				DEBUG_LOG(("Failed to create image file!"));
			}
		} else {
			DEBUG_LOG(("Failed to gtk_menu_new()!"));
		}
		if (_trayMenu && _trayIndicator) {
			Libs::app_indicator_set_status(_trayIndicator, APP_INDICATOR_STATUS_ACTIVE);
			Libs::app_indicator_set_menu(_trayIndicator, Libs::gtk_menu_cast(_trayMenu));
			useStatusIcon = false;
		} else {
			DEBUG_LOG(("AppIndicator failed!"));
			useAppIndicator = false;
		}
	}
	if (useStatusIcon) {
		if (Libs::gdk_init_check(0, 0)) {
			if (!_trayMenu) _trayMenu = Libs::gtk_menu_new();
			if (_trayMenu) {
				QFileInfo iconFile(_trayIconImageFile());
				if (iconFile.exists()) {
					QByteArray path = QFile::encodeName(iconFile.absoluteFilePath());
					_trayIcon = Libs::gtk_status_icon_new_from_file(path.constData());
				} else {
					loadPixbuf(_trayIconImageGen());
					_trayIcon = Libs::gtk_status_icon_new_from_pixbuf(_trayPixbuf);
				}
				if (_trayIcon) {
					LOG(("Tray Icon: Using GTK status tray icon."));

					Libs::g_signal_connect_helper(_trayIcon, "popup-menu", GCallback(_trayIconPopup), _trayMenu);
					Libs::g_signal_connect_helper(_trayIcon, "activate", GCallback(_trayIconActivate), _trayMenu);
					Libs::g_signal_connect_helper(_trayIcon, "size-changed", GCallback(_trayIconResized), _trayMenu);

					Libs::gtk_status_icon_set_title(_trayIcon, "Telegram Desktop");
					Libs::gtk_status_icon_set_tooltip_text(_trayIcon, "Telegram Desktop");
					Libs::gtk_status_icon_set_visible(_trayIcon, true);
				} else {
					useStatusIcon = false;
				}
			} else {
				useStatusIcon = false;
			}
		} else {
			useStatusIcon = false;
		}
	}
	if (!useStatusIcon && !useAppIndicator) {
		LOG(("Tray Icon: Not able to use any tray icon :("));
		if (_trayMenu) {
			Libs::g_object_ref_sink(_trayMenu);
			Libs::g_object_unref(_trayMenu);
			_trayMenu = nullptr;
		}
	}
	cSetSupportTray(useAppIndicator);
	if (useStatusIcon) {
		Libs::g_idle_add((GSourceFunc)_trayIconCheck, 0);
		_psCheckStatusIconTimer.start(100);
	} else {
		workmodeUpdated(Global::WorkMode().value());
	}
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
}

void MainWindow::psFirstShow() {
	psCreateTrayIcon();

	if (QDBusInterface("com.canonical.Unity", "/").isValid()) {
		auto snapName = QString::fromLatin1(qgetenv("SNAP_NAME"));
		if(snapName.isEmpty()) {
			std::vector<QString> possibleDesktopFiles = {
#ifdef TDESKTOP_LAUNCHER_FILENAME
#define TDESKTOP_LAUNCHER_FILENAME_TO_STRING_HELPER(V) #V
#define TDESKTOP_LAUNCHER_FILENAME_TO_STRING(V) TDESKTOP_LAUNCHER_FILENAME_TO_STRING_HELPER(V)
				TDESKTOP_LAUNCHER_FILENAME_TO_STRING(TDESKTOP_LAUNCHER_FILENAME),
#endif // TDESKTOP_LAUNCHER_FILENAME
				"telegramdesktop.desktop",
				"Telegram.desktop"
			};
			
			for (auto it = possibleDesktopFiles.begin(); it != possibleDesktopFiles.end(); it++) {
				if (!QStandardPaths::locate(QStandardPaths::ApplicationsLocation, *it).isEmpty()) {
					_desktopFile = *it;
					LOG(("Found Unity Launcher entry %1!").arg(_desktopFile));
					useUnityCount = true;
					break;
				}
			}
			if (!useUnityCount) {
				LOG(("Could not get Unity Launcher entry!"));
			}
		} else {
			LOG(("SNAP Environment detected, setting Launcher entry to %1-telegramdesktop.desktop!").arg(snapName));
			_desktopFile = snapName + "_telegramdesktop.desktop";
			useUnityCount=true;
		}
		_dbusPath = "/com/canonical/unity/launcherentry/" + QString::number(djbStringHash("application://" + _desktopFile));
	} else {
		LOG(("Not using Unity Launcher count."));
	}

	psUpdateMargins();

	bool showShadows = true;

	show();
	//_private.enableShadow(winId());
	if (cWindowPos().maximized) {
		DEBUG_LOG(("Window Pos: First show, setting maximized."));
		setWindowState(Qt::WindowMaximized);
	}

	if ((cLaunchMode() == LaunchModeAutoStart && cStartMinimized()) || cStartInTray()) {
		setWindowState(Qt::WindowMinimized);
		if (Global::WorkMode().value() == dbiwmTrayOnly || Global::WorkMode().value() == dbiwmWindowAndTray) {
			hide();
		} else {
			show();
		}
		showShadows = false;
	} else {
		show();
	}

	setPositionInited();
}

void MainWindow::psInitSysMenu() {
}

void MainWindow::psUpdateMargins() {
}

MainWindow::~MainWindow() {
#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
	if (_trayIcon) {
		Libs::g_object_unref(_trayIcon);
		_trayIcon = nullptr;
	}
	if (_trayPixbuf) {
		Libs::g_object_unref(_trayPixbuf);
		_trayPixbuf = nullptr;
	}
	if (_trayMenu) {
		Libs::g_object_ref_sink(_trayMenu);
		Libs::g_object_unref(_trayMenu);
		_trayMenu = nullptr;
	}
	if (_trayIndicator) {
		Libs::g_object_unref(_trayIndicator);
		_trayIndicator = nullptr;
	}
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
}

} // namespace Platform