NOISSUE Flatten gui and logic libraries into MultiMC

launcher/net/NetAction.h

@@ -0,0 +1,113 @@
+/* Copyright 2013-2021 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 <QUrl>
+#include <memory>
+#include <QNetworkReply>
+#include <QObjectPtr.h>
+
+enum JobStatus
+{
+    Job_NotStarted,
+    Job_InProgress,
+    Job_Finished,
+    Job_Failed,
+    Job_Aborted,
+    /*
+     * FIXME: @NUKE this confuses the task failing with us having a fallback in the form of local data. Clear up the confusion.
+     * Same could be true for aborted task - the presence of pre-existing result is a separate concern
+     */
+    Job_Failed_Proceed
+};
+
+typedef std::shared_ptr<class NetAction> NetActionPtr;
+class NetAction : public QObject
+{
+    Q_OBJECT
+protected:
+    explicit NetAction() : QObject(0) {};
+
+public:
+    virtual ~NetAction() {};
+
+    bool isRunning() const
+    {
+        return m_status == Job_InProgress;
+    }
+    bool isFinished() const
+    {
+        return m_status >= Job_Finished;
+    }
+    bool wasSuccessful() const
+    {
+        return m_status == Job_Finished || m_status == Job_Failed_Proceed;
+    }
+
+    qint64 totalProgress() const
+    {
+        return m_total_progress;
+    }
+    qint64 currentProgress() const
+    {
+        return m_progress;
+    }
+    virtual bool abort()
+    {
+        return false;
+    }
+    virtual bool canAbort()
+    {
+        return false;
+    }
+    QUrl url()
+    {
+        return m_url;
+    }
+
+signals:
+    void started(int index);
+    void netActionProgress(int index, qint64 current, qint64 total);
+    void succeeded(int index);
+    void failed(int index);
+    void aborted(int index);
+
+protected slots:
+    virtual void downloadProgress(qint64 bytesReceived, qint64 bytesTotal) = 0;
+    virtual void downloadError(QNetworkReply::NetworkError error) = 0;
+    virtual void downloadFinished() = 0;
+    virtual void downloadReadyRead() = 0;
+
+public slots:
+    virtual void start() = 0;
+
+public:
+    /// index within the parent job, FIXME: nuke
+    int m_index_within_job = 0;
+
+    /// the network reply
+    unique_qobject_ptr<QNetworkReply> m_reply;
+
+    /// source URL
+    QUrl m_url;
+
+    qint64 m_progress = 0;
+    qint64 m_total_progress = 1;
+
+protected:
+    JobStatus m_status = Job_NotStarted;
+};