Initial commit

engines/mutationofjb/tasks/taskmanager.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "mutationofjb/tasks/taskmanager.h"
+
+#include "mutationofjb/tasks/task.h"
+
+namespace MutationOfJB {
+
+void TaskManager::startTask(const TaskPtr &task) {
+	_tasks.push_back(task);
+	task->setTaskManager(this);
+	task->start();
+}
+
+void TaskManager::stopTask(const TaskPtr &task) {
+	TaskPtrs::iterator it = Common::find(_tasks.begin(), _tasks.end(), task);
+	if (it == _tasks.end()) {
+		warning("Task is not registered in TaskManager");
+		return;
+	}
+
+	task->stop();
+	assert(task->getState() != Task::RUNNING);
+	_tasks.erase(it);
+}
+
+TaskPtr TaskManager::getTask(Task *const task) {
+	for (TaskPtrs::iterator it = _tasks.begin(); it != _tasks.end(); ++it) {
+		if (it->get() == task) {
+			return *it;
+		}
+	}
+
+	return TaskPtr();
+}
+
+void TaskManager::update() {
+	for (TaskPtrs::iterator it = _tasks.begin(); it != _tasks.end();) {
+		const Task::State state = (*it)->getState();
+		if (state == Task::RUNNING) {
+			(*it)->update();
+		}
+
+		if (state == Task::FINISHED) {
+			it = _tasks.erase(it);
+		} else {
+			++it;
+		}
+	}
+}
+
+}