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62 lines
1.7 KiB
C++
62 lines
1.7 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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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 Common::U32String &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(true);
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if (t - _lastUpdate >= kMinimumDelay) {
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_lastUpdate = t;
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Common::U32String msg = _messages.pop();
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g_system->displayMessageOnOSD(msg);
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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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