NOISSUE Flatten gui and logic libraries into MultiMC

launcher/java/JavaInstallList.cpp

@@ -0,0 +1,208 @@
+/* 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.
+ */
+
+#include <QtNetwork>
+#include <QtXml>
+#include <QRegExp>
+
+#include <QDebug>
+
+#include "java/JavaInstallList.h"
+#include "java/JavaCheckerJob.h"
+#include "java/JavaUtils.h"
+#include "MMCStrings.h"
+#include "minecraft/VersionFilterData.h"
+
+JavaInstallList::JavaInstallList(QObject *parent) : BaseVersionList(parent)
+{
+}
+
+shared_qobject_ptr<Task> JavaInstallList::getLoadTask()
+{
+    load();
+    return getCurrentTask();
+}
+
+shared_qobject_ptr<Task> JavaInstallList::getCurrentTask()
+{
+    if(m_status == Status::InProgress)
+    {
+        return m_loadTask;
+    }
+    return nullptr;
+}
+
+void JavaInstallList::load()
+{
+    if(m_status != Status::InProgress)
+    {
+        m_status = Status::InProgress;
+        m_loadTask = new JavaListLoadTask(this);
+        m_loadTask->start();
+    }
+}
+
+const BaseVersionPtr JavaInstallList::at(int i) const
+{
+    return m_vlist.at(i);
+}
+
+bool JavaInstallList::isLoaded()
+{
+    return m_status == JavaInstallList::Status::Done;
+}
+
+int JavaInstallList::count() const
+{
+    return m_vlist.count();
+}
+
+QVariant JavaInstallList::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+
+    if (index.row() > count())
+        return QVariant();
+
+    auto version = std::dynamic_pointer_cast<JavaInstall>(m_vlist[index.row()]);
+    switch (role)
+    {
+        case VersionPointerRole:
+            return qVariantFromValue(m_vlist[index.row()]);
+        case VersionIdRole:
+            return version->descriptor();
+        case VersionRole:
+            return version->id.toString();
+        case RecommendedRole:
+            return version->recommended;
+        case PathRole:
+            return version->path;
+        case ArchitectureRole:
+            return version->arch;
+        default:
+            return QVariant();
+    }
+}
+
+BaseVersionList::RoleList JavaInstallList::providesRoles() const
+{
+    return {VersionPointerRole, VersionIdRole, VersionRole, RecommendedRole, PathRole, ArchitectureRole};
+}
+
+
+void JavaInstallList::updateListData(QList<BaseVersionPtr> versions)
+{
+    beginResetModel();
+    m_vlist = versions;
+    sortVersions();
+    if(m_vlist.size())
+    {
+        auto best = std::dynamic_pointer_cast<JavaInstall>(m_vlist[0]);
+        best->recommended = true;
+    }
+    endResetModel();
+    m_status = Status::Done;
+    m_loadTask.reset();
+}
+
+bool sortJavas(BaseVersionPtr left, BaseVersionPtr right)
+{
+    auto rleft = std::dynamic_pointer_cast<JavaInstall>(left);
+    auto rright = std::dynamic_pointer_cast<JavaInstall>(right);
+    return (*rleft) > (*rright);
+}
+
+void JavaInstallList::sortVersions()
+{
+    beginResetModel();
+    std::sort(m_vlist.begin(), m_vlist.end(), sortJavas);
+    endResetModel();
+}
+
+JavaListLoadTask::JavaListLoadTask(JavaInstallList *vlist) : Task()
+{
+    m_list = vlist;
+    m_currentRecommended = NULL;
+}
+
+JavaListLoadTask::~JavaListLoadTask()
+{
+}
+
+void JavaListLoadTask::executeTask()
+{
+    setStatus(tr("Detecting Java installations..."));
+
+    JavaUtils ju;
+    QList<QString> candidate_paths = ju.FindJavaPaths();
+
+    m_job = new JavaCheckerJob("Java detection");
+    connect(m_job.get(), &Task::finished, this, &JavaListLoadTask::javaCheckerFinished);
+    connect(m_job.get(), &Task::progress, this, &Task::setProgress);
+
+    qDebug() << "Probing the following Java paths: ";
+    int id = 0;
+    for(QString candidate : candidate_paths)
+    {
+        qDebug() << " " << candidate;
+
+        auto candidate_checker = new JavaChecker();
+        candidate_checker->m_path = candidate;
+        candidate_checker->m_id = id;
+        m_job->addJavaCheckerAction(JavaCheckerPtr(candidate_checker));
+
+        id++;
+    }
+
+    m_job->start();
+}
+
+void JavaListLoadTask::javaCheckerFinished()
+{
+    QList<JavaInstallPtr> candidates;
+    auto results = m_job->getResults();
+
+    qDebug() << "Found the following valid Java installations:";
+    for(JavaCheckResult result : results)
+    {
+        if(result.validity == JavaCheckResult::Validity::Valid)
+        {
+            JavaInstallPtr javaVersion(new JavaInstall());
+
+            javaVersion->id = result.javaVersion;
+            javaVersion->arch = result.mojangPlatform;
+            javaVersion->path = result.path;
+            candidates.append(javaVersion);
+
+            qDebug() << " " << javaVersion->id.toString() << javaVersion->arch << javaVersion->path;
+        }
+    }
+
+    QList<BaseVersionPtr> javas_bvp;
+    for (auto java : candidates)
+    {
+        //qDebug() << java->id << java->arch << " at " << java->path;
+        BaseVersionPtr bp_java = std::dynamic_pointer_cast<BaseVersion>(java);
+
+        if (bp_java)
+        {
+            javas_bvp.append(java);
+        }
+    }
+
+    m_list->updateListData(javas_bvp);
+    emitSucceeded();
+}