144 lines
2.9 KiB
C++
144 lines
2.9 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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*
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* Strawberry 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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* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <QObject>
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#include <QMutex>
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#include <QList>
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#include <QString>
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#include "taskmanager.h"
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TaskManager::TaskManager(QObject *parent) : QObject(parent), next_task_id_(1) {}
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int TaskManager::StartTask(const QString &name) {
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Task t;
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t.name = name;
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t.progress = 0;
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t.progress_max = 0;
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t.blocks_collection_scans = false;
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{
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QMutexLocker l(&mutex_);
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t.id = next_task_id_++;
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tasks_[t.id] = t;
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}
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emit TasksChanged();
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return t.id;
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}
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QList<TaskManager::Task> TaskManager::GetTasks() {
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QList<TaskManager::Task> ret;
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{
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QMutexLocker l(&mutex_);
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ret = tasks_.values();
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}
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return ret;
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}
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void TaskManager::SetTaskBlocksCollectionScans(int id) {
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{
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QMutexLocker l(&mutex_);
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if (!tasks_.contains(id)) return;
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Task &t = tasks_[id];
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t.blocks_collection_scans = true;
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}
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emit TasksChanged();
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emit PauseCollectionWatchers();
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}
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void TaskManager::SetTaskProgress(int id, int progress, int max) {
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{
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QMutexLocker l(&mutex_);
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if (!tasks_.contains(id)) return;
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Task &t = tasks_[id];
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t.progress = progress;
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if (max) t.progress_max = max;
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}
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emit TasksChanged();
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}
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void TaskManager::IncreaseTaskProgress(int id, int progress, int max) {
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{
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QMutexLocker l(&mutex_);
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if (!tasks_.contains(id)) return;
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Task &t = tasks_[id];
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t.progress += progress;
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if (max) t.progress_max = max;
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}
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emit TasksChanged();
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}
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void TaskManager::SetTaskFinished(int id) {
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bool resume_collection_watchers = false;
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{
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QMutexLocker l(&mutex_);
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if (!tasks_.contains(id)) return;
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if (tasks_[id].blocks_collection_scans) {
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resume_collection_watchers = true;
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for (const Task &task : tasks_.values()) {
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if (task.id != id && task.blocks_collection_scans) {
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resume_collection_watchers = false;
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break;
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}
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}
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}
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tasks_.remove(id);
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}
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emit TasksChanged();
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if (resume_collection_watchers) emit ResumeCollectionWatchers();
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}
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int TaskManager::GetTaskProgress(int id) {
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{
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QMutexLocker l(&mutex_);
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if (!tasks_.contains(id)) return 0;
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return tasks_[id].progress;
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}
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}
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