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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "corecompositor.h"
namespace MockCompositor {
CoreCompositor::CoreCompositor()
: m_display(wl_display_create())
, m_socketName(wl_display_add_socket_auto(m_display))
, m_eventLoop(wl_display_get_event_loop(m_display))
// Start dispatching
, m_dispatchThread([this](){
while (m_running) {
std::this_thread::sleep_for(std::chrono::milliseconds(20));
dispatch();
}
})
{
m_timer.start();
Q_ASSERT(isClean());
}
CoreCompositor::~CoreCompositor()
{
m_running = false;
m_dispatchThread.join();
wl_display_destroy(m_display);
}
bool CoreCompositor::isClean()
{
Lock lock(this);
for (auto *global : qAsConst(m_globals)) {
if (!global->isClean())
return false;
}
return true;
}
QString CoreCompositor::dirtyMessage()
{
Lock lock(this);
QStringList messages;
for (auto *global : qAsConst(m_globals)) {
if (!global->isClean())
messages << (global->metaObject()->className() % QLatin1String(": ") % global->dirtyMessage());
}
return messages.join(", ");
}
void CoreCompositor::dispatch()
{
Lock lock(this);
wl_display_flush_clients(m_display);
constexpr int timeout = 0; // immediate return
wl_event_loop_dispatch(m_eventLoop, timeout);
}
/*!
* \brief Adds a new global interface for the compositor
*
* Takes ownership of \a global
*/
void CoreCompositor::add(Global *global)
{
warnIfNotLockedByThread(Q_FUNC_INFO);
m_globals.append(global);
}
void CoreCompositor::remove(Global *global)
{
warnIfNotLockedByThread(Q_FUNC_INFO);
//TODO: Need to delete global as well!
m_globals.removeAll(global);
}
uint CoreCompositor::nextSerial()
{
warnIfNotLockedByThread(Q_FUNC_INFO);
return wl_display_next_serial(m_display);
}
uint CoreCompositor::currentTimeMilliseconds()
{
warnIfNotLockedByThread(Q_FUNC_INFO);
return uint(m_timer.elapsed());
}
wl_client *CoreCompositor::client(int index)
{
warnIfNotLockedByThread(Q_FUNC_INFO);
wl_list *clients = wl_display_get_client_list(m_display);
wl_client *client = nullptr;
int i = 0;
wl_client_for_each(client, clients) {
if (i++ == index)
return client;
}
return nullptr;
}
void CoreCompositor::warnIfNotLockedByThread(const char *caller)
{
if (!m_lock || !m_lock->isOwnedByCurrentThread()) {
qWarning() << caller << "called without locking the compositor to the current thread."
<< "This means the compositor can start dispatching at any moment,"
<< "potentially leading to threading issues."
<< "Unless you know what you are doing you should probably fix the test"
<< "by locking the compositor before accessing it (see mutex()).";
}
}
} // namespace MockCompositor
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