mirror of
https://github.com/scummvm/scummvm.git
synced 2026-05-21 05:40:43 +00:00
Eugene Sandulenko
113 lines
3.0 KiB
C++
113 lines
3.0 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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#include "graphics/surface.h"
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namespace Common {
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DECLARE_SINGLETON(OSDMessageQueue);
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OSDMessageQueue::OSDQueueEntry::OSDQueueEntry(const Common::U32String &msg)
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: _text(new Common::U32String(msg)), _image(nullptr) {}
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OSDMessageQueue::OSDQueueEntry::OSDQueueEntry(const Graphics::Surface *surface)
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: _text(nullptr), _image(nullptr) {
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if (surface) {
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_image = new Graphics::Surface();
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_image->copyFrom(*surface);
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}
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}
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OSDMessageQueue::OSDQueueEntry::~OSDQueueEntry() {
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if (_text)
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delete _text;
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if (_image) {
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_image->free();
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delete _image;
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}
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}
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OSDMessageQueue::OSDMessageQueue() : _lastUpdate(0), _iconWasShown(false) {
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}
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OSDMessageQueue::~OSDMessageQueue() {
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g_system->getEventManager()->getEventDispatcher()->unregisterSource(this);
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_mutex.lock();
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while (!_messages.empty()) {
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OSDQueueEntry *entry = _messages.pop();
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delete entry;
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}
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_mutex.unlock();
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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(new OSDQueueEntry(msg));
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_mutex.unlock();
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}
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void OSDMessageQueue::addImage(const Graphics::Surface *surface) {
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_mutex.lock();
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_messages.push(new OSDQueueEntry(surface));
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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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uint t = g_system->getMillis(true);
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if (!_messages.empty()) {
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if (t - _lastUpdate >= kMinimumDelay) {
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_lastUpdate = t;
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OSDQueueEntry *entry = _messages.pop();
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if (entry->_image) {
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g_system->displayActivityIconOnOSD(entry->_image);
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_iconWasShown = true;
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} else if (entry->_text) {
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g_system->displayMessageOnOSD(*(entry->_text));
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}
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delete entry;
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}
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} else if (t - _lastUpdate >= kIconCleanupDelay) {
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// If there are no messages, but the last message was an icon that was shown, clear it after a delay
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if (_iconWasShown) {
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g_system->displayActivityIconOnOSD(nullptr);
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_iconWasShown = false;
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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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