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// AirMap Platform SDK
// Copyright © 2018 AirMap, Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the License);
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an AS IS BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <Airmap/qt/dispatcher.h>
#include <QCoreApplication>
#include <QThread>
#include <cassert>
QEvent::Type airmap::qt::Dispatcher::Event::registered_type() {
static const Type rt = static_cast<Type>(registerEventType());
return rt;
}
airmap::qt::Dispatcher::Event::Event(const std::function<void()>& task) : QEvent{registered_type()}, task_{task} {
}
void airmap::qt::Dispatcher::Event::dispatch() {
task_();
}
std::shared_ptr<airmap::qt::Dispatcher::ToQt> airmap::qt::Dispatcher::ToQt::create() {
return std::shared_ptr<ToQt>{new ToQt{}};
}
airmap::qt::Dispatcher::ToQt::ToQt() {
}
void airmap::qt::Dispatcher::ToQt::dispatch(const Task& task) {
auto sp = shared_from_this();
QCoreApplication::postEvent(this, new Event{[sp, task]() { task(); }});
}
bool airmap::qt::Dispatcher::ToQt::event(QEvent* event) {
assert(QCoreApplication::instance());
assert(QThread::currentThread() == QCoreApplication::instance()->thread());
if (event->type() == Event::registered_type()) {
event->accept();
if (auto e = dynamic_cast<Event*>(event)) {
e->dispatch();
}
return true;
}
return false;
}
std::shared_ptr<airmap::qt::Dispatcher::ToNative> airmap::qt::Dispatcher::ToNative::create(
const std::shared_ptr<Context>& context) {
return std::shared_ptr<ToNative>{new ToNative{context}};
}
airmap::qt::Dispatcher::ToNative::ToNative(const std::shared_ptr<Context>& context) : context_{context} {
}
void airmap::qt::Dispatcher::ToNative::dispatch(const Task& task) {
context_->schedule_in(task);
}
airmap::qt::Dispatcher::Dispatcher(const std::shared_ptr<Context>& context)
: to_qt_{ToQt::create()}, to_native_{ToNative::create(context)} {
}
void airmap::qt::Dispatcher::dispatch_to_qt(const std::function<void()>& task) {
to_qt_->dispatch(task);
}
void airmap::qt::Dispatcher::dispatch_to_airmap(const std::function<void()>& task) {
to_native_->dispatch(task);
}
// From QObject