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-rw-r--r--api/logic/tasks/SequentialTask.cpp55
-rw-r--r--api/logic/tasks/SequentialTask.h31
-rw-r--r--api/logic/tasks/Task.cpp88
-rw-r--r--api/logic/tasks/Task.h96
-rw-r--r--api/logic/tasks/ThreadTask.cpp41
-rw-r--r--api/logic/tasks/ThreadTask.h25
6 files changed, 336 insertions, 0 deletions
diff --git a/api/logic/tasks/SequentialTask.cpp b/api/logic/tasks/SequentialTask.cpp
new file mode 100644
index 00000000..ac0e7820
--- /dev/null
+++ b/api/logic/tasks/SequentialTask.cpp
@@ -0,0 +1,55 @@
+#include "SequentialTask.h"
+
+SequentialTask::SequentialTask(QObject *parent) : Task(parent), m_currentIndex(-1)
+{
+}
+
+void SequentialTask::addTask(std::shared_ptr<Task> task)
+{
+ m_queue.append(task);
+}
+
+void SequentialTask::executeTask()
+{
+ m_currentIndex = -1;
+ startNext();
+}
+
+void SequentialTask::startNext()
+{
+ if (m_currentIndex != -1)
+ {
+ std::shared_ptr<Task> previous = m_queue[m_currentIndex];
+ disconnect(previous.get(), 0, this, 0);
+ }
+ m_currentIndex++;
+ if (m_queue.isEmpty() || m_currentIndex >= m_queue.size())
+ {
+ emitSucceeded();
+ return;
+ }
+ std::shared_ptr<Task> next = m_queue[m_currentIndex];
+ connect(next.get(), SIGNAL(failed(QString)), this, SLOT(subTaskFailed(QString)));
+ connect(next.get(), SIGNAL(status(QString)), this, SLOT(subTaskStatus(QString)));
+ connect(next.get(), SIGNAL(progress(qint64, qint64)), this, SLOT(subTaskProgress(qint64, qint64)));
+ connect(next.get(), SIGNAL(succeeded()), this, SLOT(startNext()));
+ next->start();
+}
+
+void SequentialTask::subTaskFailed(const QString &msg)
+{
+ emitFailed(msg);
+}
+void SequentialTask::subTaskStatus(const QString &msg)
+{
+ setStatus(msg);
+}
+void SequentialTask::subTaskProgress(qint64 current, qint64 total)
+{
+ if(total == 0)
+ {
+ setProgress(0, 100);
+ return;
+ }
+ setProgress(current, total);
+}
diff --git a/api/logic/tasks/SequentialTask.h b/api/logic/tasks/SequentialTask.h
new file mode 100644
index 00000000..69031095
--- /dev/null
+++ b/api/logic/tasks/SequentialTask.h
@@ -0,0 +1,31 @@
+#pragma once
+
+#include "Task.h"
+
+#include <QQueue>
+#include <memory>
+
+#include "multimc_logic_export.h"
+
+class MULTIMC_LOGIC_EXPORT SequentialTask : public Task
+{
+ Q_OBJECT
+public:
+ explicit SequentialTask(QObject *parent = 0);
+
+ void addTask(std::shared_ptr<Task> task);
+
+protected:
+ void executeTask();
+
+private
+slots:
+ void startNext();
+ void subTaskFailed(const QString &msg);
+ void subTaskStatus(const QString &msg);
+ void subTaskProgress(qint64 current, qint64 total);
+
+private:
+ QQueue<std::shared_ptr<Task> > m_queue;
+ int m_currentIndex;
+};
diff --git a/api/logic/tasks/Task.cpp b/api/logic/tasks/Task.cpp
new file mode 100644
index 00000000..3c4e3188
--- /dev/null
+++ b/api/logic/tasks/Task.cpp
@@ -0,0 +1,88 @@
+/* Copyright 2013-2015 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Task.h"
+
+#include <QDebug>
+
+Task::Task(QObject *parent) : QObject(parent)
+{
+}
+
+void Task::setStatus(const QString &new_status)
+{
+ if(m_status != new_status)
+ {
+ m_status = new_status;
+ emit status(m_status);
+ }
+}
+
+void Task::setProgress(qint64 current, qint64 total)
+{
+ m_progress = current;
+ m_progressTotal = total;
+ emit progress(m_progress, m_progressTotal);
+}
+
+void Task::start()
+{
+ m_running = true;
+ emit started();
+ executeTask();
+}
+
+void Task::emitFailed(QString reason)
+{
+ m_running = false;
+ m_finished = true;
+ m_succeeded = false;
+ m_failReason = reason;
+ qCritical() << "Task failed: " << reason;
+ emit failed(reason);
+ emit finished();
+}
+
+void Task::emitSucceeded()
+{
+ if (!m_running) { return; } // Don't succeed twice.
+ m_running = false;
+ m_finished = true;
+ m_succeeded = true;
+ qDebug() << "Task succeeded";
+ emit succeeded();
+ emit finished();
+}
+
+bool Task::isRunning() const
+{
+ return m_running;
+}
+
+bool Task::isFinished() const
+{
+ return m_finished;
+}
+
+bool Task::successful() const
+{
+ return m_succeeded;
+}
+
+QString Task::failReason() const
+{
+ return m_failReason;
+}
+
diff --git a/api/logic/tasks/Task.h b/api/logic/tasks/Task.h
new file mode 100644
index 00000000..2b0ccbcd
--- /dev/null
+++ b/api/logic/tasks/Task.h
@@ -0,0 +1,96 @@
+/* Copyright 2013-2015 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QObject>
+#include <QString>
+
+#include "multimc_logic_export.h"
+
+class MULTIMC_LOGIC_EXPORT Task : public QObject
+{
+ Q_OBJECT
+public:
+ explicit Task(QObject *parent = 0);
+ virtual ~Task() {};
+
+ virtual bool isRunning() const;
+
+ virtual bool isFinished() const;
+
+ /*!
+ * True if this task was successful.
+ * If the task failed or is still running, returns false.
+ */
+ virtual bool successful() const;
+
+ /*!
+ * Returns the string that was passed to emitFailed as the error message when the task failed.
+ * If the task hasn't failed, returns an empty string.
+ */
+ virtual QString failReason() const;
+
+ virtual bool canAbort() const { return false; }
+
+ QString getStatus()
+ {
+ return m_status;
+ }
+
+ qint64 getProgress()
+ {
+ return m_progress;
+ }
+
+ qint64 getTotalProgress()
+ {
+ return m_progressTotal;
+ }
+
+signals:
+ void started();
+ void progress(qint64 current, qint64 total);
+ void finished();
+ void succeeded();
+ void failed(QString reason);
+ void status(QString status);
+
+public
+slots:
+ virtual void start();
+ virtual bool abort() { return false; };
+
+protected:
+ virtual void executeTask() = 0;
+
+protected slots:
+ virtual void emitSucceeded();
+ virtual void emitFailed(QString reason);
+
+public slots:
+ void setStatus(const QString &status);
+ void setProgress(qint64 current, qint64 total);
+
+protected:
+ bool m_running = false;
+ bool m_finished = false;
+ bool m_succeeded = false;
+ QString m_failReason = "";
+ QString m_status;
+ int m_progress = 0;
+ int m_progressTotal = 100;
+};
+
diff --git a/api/logic/tasks/ThreadTask.cpp b/api/logic/tasks/ThreadTask.cpp
new file mode 100644
index 00000000..ddd1dee5
--- /dev/null
+++ b/api/logic/tasks/ThreadTask.cpp
@@ -0,0 +1,41 @@
+#include "ThreadTask.h"
+#include <QtConcurrentRun>
+ThreadTask::ThreadTask(Task * internal, QObject *parent) : Task(parent), m_internal(internal)
+{
+}
+
+void ThreadTask::start()
+{
+ connect(m_internal, SIGNAL(failed(QString)), SLOT(iternal_failed(QString)));
+ connect(m_internal, SIGNAL(progress(qint64,qint64)), SLOT(iternal_progress(qint64,qint64)));
+ connect(m_internal, SIGNAL(started()), SLOT(iternal_started()));
+ connect(m_internal, SIGNAL(status(QString)), SLOT(iternal_status(QString)));
+ connect(m_internal, SIGNAL(succeeded()), SLOT(iternal_succeeded()));
+ m_running = true;
+ QtConcurrent::run(m_internal, &Task::start);
+}
+
+void ThreadTask::iternal_failed(QString reason)
+{
+ emitFailed(reason);
+}
+
+void ThreadTask::iternal_progress(qint64 current, qint64 total)
+{
+ progress(current, total);
+}
+
+void ThreadTask::iternal_started()
+{
+ emit started();
+}
+
+void ThreadTask::iternal_status(QString status)
+{
+ setStatus(status);
+}
+
+void ThreadTask::iternal_succeeded()
+{
+ emitSucceeded();
+}
diff --git a/api/logic/tasks/ThreadTask.h b/api/logic/tasks/ThreadTask.h
new file mode 100644
index 00000000..718dbc91
--- /dev/null
+++ b/api/logic/tasks/ThreadTask.h
@@ -0,0 +1,25 @@
+#pragma once
+
+#include "Task.h"
+
+class ThreadTask : public Task
+{
+ Q_OBJECT
+public:
+ explicit ThreadTask(Task * internal, QObject * parent = nullptr);
+
+protected:
+ void executeTask() {};
+
+public slots:
+ virtual void start();
+
+private slots:
+ void iternal_started();
+ void iternal_progress(qint64 current, qint64 total);
+ void iternal_succeeded();
+ void iternal_failed(QString reason);
+ void iternal_status(QString status);
+private:
+ Task * m_internal;
+}; \ No newline at end of file
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