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63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "common/osd_message_queue.h"
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#include "common/system.h"
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namespace Common {
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DECLARE_SINGLETON(OSDMessageQueue);
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OSDMessageQueue::OSDMessageQueue() : _lastUpdate(0) {
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}
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OSDMessageQueue::~OSDMessageQueue() {
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g_system->getEventManager()->getEventDispatcher()->unregisterSource(this);
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}
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void OSDMessageQueue::registerEventSource() {
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g_system->getEventManager()->getEventDispatcher()->registerSource(this, false);
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}
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void OSDMessageQueue::addMessage(const char *msg) {
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_mutex.lock();
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_messages.push(msg);
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_mutex.unlock();
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}
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bool OSDMessageQueue::pollEvent(Common::Event &event) {
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_mutex.lock();
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if (!_messages.empty()) {
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uint t = g_system->getMillis();
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if (t - _lastUpdate >= kMinimumDelay) {
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_lastUpdate = t;
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String msg = _messages.pop();
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g_system->displayMessageOnOSD(msg.c_str());
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}
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}
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_mutex.unlock();
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return false;
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}
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} // End of namespace Common
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