147 lines
3.3 KiB
C++
147 lines
3.3 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/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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base::flat_map<not_null<QObject*>, not_null<Manager*>> ManagersMap;
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} // namespace
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Manager::Manager(not_null<QWidget*> parent, const CreateTag &)
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: 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->first->parentWidget() == o) {
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i->first->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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not_null<Manager*> Manager::instance(not_null<QWidget*> parent) {
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auto i = ManagersMap.find(parent);
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if (i == end(ManagersMap)) {
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i = ManagersMap.emplace(
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parent,
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Ui::CreateChild<Manager>(parent.get(), CreateTag())
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).first;
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}
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return i->second;
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}
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base::weak_ptr<Instance> Manager::addToast(
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std::unique_ptr<Instance> &&toast) {
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_toasts.push_back(std::move(toast));
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const auto t = _toasts.back().get();
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const auto widget = t->_widget.get();
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_toastByWidget.emplace(widget, t);
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connect(widget, &QObject::destroyed, [=] {
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toastWidgetDestroyed(widget);
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});
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if (const 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.push_back(parent);
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parent->installEventFilter(this);
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}
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}
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const auto nearestHide = _toastByHideTime.empty()
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? 0LL
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: _toastByHideTime.begin()->first;
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_toastByHideTime.emplace(t->_hideAt, t);
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if (!nearestHide || _toastByHideTime.begin()->first < nearestHide) {
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startNextHideTimer();
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}
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return make_weak(t);
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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->first <= now) {
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const auto toast = i->second;
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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::toastWidgetDestroyed(QObject *widget) {
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const auto i = _toastByWidget.find(static_cast<Widget*>(widget));
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if (i == _toastByWidget.cend()) {
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return;
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}
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const auto toast = i->second;
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_toastByWidget.erase(i);
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toast->_widget.release();
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for (auto i = begin(_toastByHideTime); i != end(_toastByHideTime); ++i) {
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if (i->second == toast) {
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_toastByHideTime.erase(i);
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break;
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}
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}
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const auto j = ranges::find(
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_toasts,
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toast.get(),
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&std::unique_ptr<Instance>::get);
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if (j != end(_toasts)) {
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_toasts.erase(j);
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}
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}
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void Manager::startNextHideTimer() {
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if (_toastByHideTime.empty()) {
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return;
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}
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auto ms = crl::now();
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if (ms >= _toastByHideTime.begin()->first) {
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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.begin()->first - ms);
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}
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}
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Manager::~Manager() {
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ManagersMap.remove(parent());
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_toastByWidget.clear();
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_toasts.clear();
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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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