Clementine-audio-player-Mac.../src/core/globalshortcutbackend.cpp

81 lines
2.1 KiB
C++

/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "globalshortcutbackend.h"
#include "globalshortcuts.h"
#include <QFuture>
#include <QFutureWatcher>
#include <QtConcurrentRun>
GlobalShortcutBackend::GlobalShortcutBackend(GlobalShortcuts *parent)
: QObject(parent),
manager_(parent),
active_(false),
register_in_progress_(false),
should_unregister_(false)
{
}
void GlobalShortcutBackend::Register() {
if (register_in_progress_) {
should_unregister_ = false;
return;
}
if (RegisterInNewThread()) {
register_in_progress_ = true;
QFuture<bool> future = QtConcurrent::run(this, &GlobalShortcutBackend::DoRegister);
QFutureWatcher<bool>* watcher = new QFutureWatcher<bool>(this);
watcher->setFuture(future);
connect(watcher, SIGNAL(finished()), SLOT(RegisterFinishedSlot()));
} else {
bool ret = DoRegister();
if (ret)
active_ = true;
emit RegisterFinished(ret);
}
}
void GlobalShortcutBackend::Unregister() {
if (register_in_progress_) {
should_unregister_ = true;
return;
}
DoUnregister();
active_ = false;
}
void GlobalShortcutBackend::RegisterFinishedSlot() {
QFutureWatcher<bool>* watcher = dynamic_cast<QFutureWatcher<bool>*>(sender());
const bool success = watcher->result();
watcher->deleteLater();
register_in_progress_ = false;
if (success)
active_ = true;
if (should_unregister_) {
Unregister();
should_unregister_ = false;
} else {
emit RegisterFinished(success);
}
}