142 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			142 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| This file is part of Telegram Desktop,
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| the official desktop version of Telegram messaging app, see https://telegram.org
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| 
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| Telegram Desktop 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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| It 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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| In addition, as a special exception, the copyright holders give permission
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| to link the code of portions of this program with the OpenSSL library.
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| 
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| Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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| Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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| */
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| #include "ui/toast/toast_manager.h"
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| 
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| #include "application.h"
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| #include "ui/toast/toast_widget.h"
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| 
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| namespace Ui {
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| namespace Toast {
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| namespace internal {
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| 
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| namespace {
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| 
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| NeverFreedPointer<QMap<QObject*, Manager*>> _managers;
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| 
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| } // namespace
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| 
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| Manager::Manager(QWidget *parent) : QObject(parent) {
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| 	connect(&_hideTimer, SIGNAL(timeout()), this, SLOT(onHideTimeout()));
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| }
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| 
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| bool Manager::eventFilter(QObject *o, QEvent *e) {
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| 	if (e->type() == QEvent::Resize) {
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| 		for (auto i = _toastByWidget.cbegin(), e = _toastByWidget.cend(); i != e; ++i) {
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| 			if (i.key()->parentWidget() == o) {
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| 				i.key()->onParentResized();
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| 			}
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| 		}
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| 	}
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| 	return QObject::eventFilter(o, e);
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| }
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| 
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| Manager *Manager::instance(QWidget *parent) {
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| 	if (!parent) {
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| 		return nullptr;
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| 	}
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| 
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| 	_managers.createIfNull();
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| 	auto i = _managers->constFind(parent);
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| 	if (i == _managers->cend()) {
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| 		i = _managers->insert(parent, new Manager(parent));
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| 	}
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| 	return i.value();
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| }
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| 
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| void Manager::addToast(std::unique_ptr<Instance> &&toast) {
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| 	_toasts.push_back(toast.release());
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| 	Instance *t = _toasts.back();
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| 	Widget *widget = t->_widget.get();
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| 
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| 	_toastByWidget.insert(widget, t);
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| 	connect(widget, SIGNAL(destroyed(QObject*)), this, SLOT(onToastWidgetDestroyed(QObject*)));
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| 	if (auto parent = widget->parentWidget()) {
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| 		auto found = false;
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| 		for (auto i = _toastParents.begin(); i != _toastParents.cend();) {
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| 			if (*i == parent) {
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| 				found = true;
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| 				break;
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| 			} else if (!*i) {
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| 				i = _toastParents.erase(i);
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| 			} else {
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| 				++i;
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| 			}
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| 		}
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| 		if (!found) {
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| 			_toastParents.insert(parent);
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| 			parent->installEventFilter(this);
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| 		}
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| 	}
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| 
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| 	auto oldHideNearestMs = _toastByHideTime.isEmpty() ? 0LL : _toastByHideTime.firstKey();
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| 	_toastByHideTime.insert(t->_hideAtMs, t);
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| 	if (!oldHideNearestMs || _toastByHideTime.firstKey() < oldHideNearestMs) {
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| 		startNextHideTimer();
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| 	}
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| }
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| 
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| void Manager::onHideTimeout() {
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| 	auto now = getms(true);
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| 	for (auto i = _toastByHideTime.begin(); i != _toastByHideTime.cend();) {
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| 		if (i.key() <= now) {
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| 			auto toast = i.value();
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| 			i = _toastByHideTime.erase(i);
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| 			toast->hideAnimated();
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| 		} else {
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| 			break;
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| 		}
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| 	}
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| 	startNextHideTimer();
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| }
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| 
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| void Manager::onToastWidgetDestroyed(QObject *widget) {
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| 	auto i = _toastByWidget.find(static_cast<Widget*>(widget));
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| 	if (i != _toastByWidget.cend()) {
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| 		auto toast = i.value();
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| 		_toastByWidget.erase(i);
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| 		toast->_widget.release();
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| 
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| 		int index = _toasts.indexOf(toast);
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| 		if (index >= 0) {
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| 			_toasts.removeAt(index);
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| 			delete toast;
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| 		}
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| 	}
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| }
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| 
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| void Manager::startNextHideTimer() {
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| 	if (_toastByHideTime.isEmpty()) return;
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| 
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| 	auto ms = getms(true);
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| 	if (ms >= _toastByHideTime.firstKey()) {
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| 		QMetaObject::invokeMethod(this, SLOT("onHideTimeout"), Qt::QueuedConnection);
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| 	} else {
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| 		_hideTimer.start(_toastByHideTime.firstKey() - ms);
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| 	}
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| }
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| 
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| Manager::~Manager() {
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| 	_managers->remove(parent());
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| }
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| 
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| } // namespace internal
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| } // namespace Toast
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| } // namespace Ui
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