/* 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 "ui/toast/toast_manager.h" #include "ui/toast/toast_widget.h" namespace Ui { namespace Toast { namespace internal { namespace { NeverFreedPointer> _managers; } // namespace Manager::Manager(QWidget *parent) : QObject(parent) , _hideTimer([=] { hideByTimer(); }) { } bool Manager::eventFilter(QObject *o, QEvent *e) { if (e->type() == QEvent::Resize) { for (auto i = _toastByWidget.cbegin(), e = _toastByWidget.cend(); i != e; ++i) { if (i.key()->parentWidget() == o) { i.key()->onParentResized(); } } } return QObject::eventFilter(o, e); } Manager *Manager::instance(QWidget *parent) { if (!parent) { return nullptr; } _managers.createIfNull(); auto i = _managers->constFind(parent); if (i == _managers->cend()) { i = _managers->insert(parent, new Manager(parent)); } return i.value(); } void Manager::addToast(std::unique_ptr &&toast) { _toasts.push_back(toast.release()); Instance *t = _toasts.back(); Widget *widget = t->_widget.get(); _toastByWidget.insert(widget, t); connect(widget, SIGNAL(destroyed(QObject*)), this, SLOT(onToastWidgetDestroyed(QObject*))); if (auto parent = widget->parentWidget()) { auto found = false; for (auto i = _toastParents.begin(); i != _toastParents.cend();) { if (*i == parent) { found = true; break; } else if (!*i) { i = _toastParents.erase(i); } else { ++i; } } if (!found) { _toastParents.insert(parent); parent->installEventFilter(this); } } auto oldHideNearestMs = _toastByHideTime.isEmpty() ? 0LL : _toastByHideTime.firstKey(); _toastByHideTime.insert(t->_hideAtMs, t); if (!oldHideNearestMs || _toastByHideTime.firstKey() < oldHideNearestMs) { startNextHideTimer(); } } void Manager::hideByTimer() { auto now = crl::now(); for (auto i = _toastByHideTime.begin(); i != _toastByHideTime.cend();) { if (i.key() <= now) { auto toast = i.value(); i = _toastByHideTime.erase(i); toast->hideAnimated(); } else { break; } } startNextHideTimer(); } void Manager::onToastWidgetDestroyed(QObject *widget) { auto i = _toastByWidget.find(static_cast(widget)); if (i != _toastByWidget.cend()) { auto toast = i.value(); _toastByWidget.erase(i); toast->_widget.release(); int index = _toasts.indexOf(toast); if (index >= 0) { _toasts.removeAt(index); delete toast; } } } void Manager::startNextHideTimer() { if (_toastByHideTime.isEmpty()) return; auto ms = crl::now(); if (ms >= _toastByHideTime.firstKey()) { crl::on_main(this, [=] { hideByTimer(); }); } else { _hideTimer.callOnce(_toastByHideTime.firstKey() - ms); } } Manager::~Manager() { _managers->remove(parent()); } } // namespace internal } // namespace Toast } // namespace Ui