130 lines
3 KiB
C++
130 lines
3 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "ui/toast/toast_manager.h"
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#include "ui/toast/toast_widget.h"
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namespace Ui {
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namespace Toast {
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namespace internal {
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namespace {
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NeverFreedPointer<QMap<QObject*, Manager*>> _managers;
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} // namespace
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Manager::Manager(QWidget *parent) : QObject(parent)
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, _hideTimer([=] { hideByTimer(); }) {
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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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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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_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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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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_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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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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void Manager::hideByTimer() {
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auto now = crl::now();
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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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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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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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void Manager::startNextHideTimer() {
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if (_toastByHideTime.isEmpty()) return;
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auto ms = crl::now();
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if (ms >= _toastByHideTime.firstKey()) {
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crl::on_main(this, [=] {
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hideByTimer();
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});
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} else {
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_hideTimer.callOnce(_toastByHideTime.firstKey() - ms);
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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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} // namespace internal
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} // namespace Toast
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} // namespace Ui
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