Added management for downloaded javas from prism

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

launcher/java/JavaInstallList.cpp

@@ -46,7 +46,9 @@
 #include "java/JavaUtils.h"
 #include "tasks/ConcurrentTask.h"
 
-JavaInstallList::JavaInstallList(QObject* parent) : BaseVersionList(parent) {}
+JavaInstallList::JavaInstallList(QObject* parent, bool onlyManagedVersions)
+    : BaseVersionList(parent), m_only_managed_versions(onlyManagedVersions)
+{}
 
 Task::Ptr JavaInstallList::getLoadTask()
 {
@@ -66,7 +68,7 @@ void JavaInstallList::load()
 {
     if (m_status != Status::InProgress) {
         m_status = Status::InProgress;
-        m_load_task.reset(new JavaListLoadTask(this));
+        m_load_task.reset(new JavaListLoadTask(this, m_only_managed_versions));
         m_load_task->start();
     }
 }
@@ -148,7 +150,7 @@ void JavaInstallList::sortVersions()
     endResetModel();
 }
 
-JavaListLoadTask::JavaListLoadTask(JavaInstallList* vlist) : Task()
+JavaListLoadTask::JavaListLoadTask(JavaInstallList* vlist, bool onlyManagedVersions) : Task(), m_only_managed_versions(onlyManagedVersions)
 {
     m_list = vlist;
     m_current_recommended = NULL;
@@ -159,7 +161,7 @@ void JavaListLoadTask::executeTask()
     setStatus(tr("Detecting Java installations..."));
 
     JavaUtils ju;
-    QList<QString> candidate_paths = ju.FindJavaPaths();
+    QList<QString> candidate_paths = m_only_managed_versions ? getPrismJavaBundle() : ju.FindJavaPaths();
 
     ConcurrentTask::Ptr job(new ConcurrentTask(this, "Java detection", APPLICATION->settings()->get("NumberOfConcurrentTasks").toInt()));
     m_job.reset(job);

launcher/java/JavaInstallList.h

@@ -33,7 +33,7 @@ class JavaInstallList : public BaseVersionList {
     enum class Status { NotDone, InProgress, Done };
 
    public:
-    explicit JavaInstallList(QObject* parent = 0);
+    explicit JavaInstallList(QObject* parent = 0, bool onlyManagedVersions = false);
 
     Task::Ptr getLoadTask() override;
     bool isLoaded() override;
@@ -55,13 +55,14 @@ class JavaInstallList : public BaseVersionList {
     Status m_status = Status::NotDone;
     shared_qobject_ptr<JavaListLoadTask> m_load_task;
     QList<BaseVersion::Ptr> m_vlist;
+    bool m_only_managed_versions;
 };
 
 class JavaListLoadTask : public Task {
     Q_OBJECT
 
    public:
-    explicit JavaListLoadTask(JavaInstallList* vlist);
+    explicit JavaListLoadTask(JavaInstallList* vlist, bool onlyManagedVersions = false);
     virtual ~JavaListLoadTask() = default;
 
    protected:
@@ -74,4 +75,5 @@ class JavaListLoadTask : public Task {
     JavaInstallList* m_list;
     JavaInstall* m_current_recommended;
     QList<JavaChecker::Result> m_results;
+    bool m_only_managed_versions;
 };

launcher/java/JavaUtils.cpp

@@ -338,6 +338,7 @@ QList<QString> JavaUtils::FindJavaPaths()
 
     candidates.append(getMinecraftJavaBundle());
     candidates.append(getPrismJavaBundle());
+    candidates.append(getPrismExtraJavaPaths());
     candidates = addJavasFromEnv(candidates);
     candidates.removeDuplicates();
     return candidates;
@@ -365,6 +366,7 @@ QList<QString> JavaUtils::FindJavaPaths()
     }
     javas.append(getMinecraftJavaBundle());
     javas.append(getPrismJavaBundle());
+    javas.append(getPrismExtraJavaPaths());
     javas = addJavasFromEnv(javas);
     javas.removeDuplicates();
     return javas;
@@ -418,6 +420,7 @@ QList<QString> JavaUtils::FindJavaPaths()
 
     javas.append(getMinecraftJavaBundle());
     javas.append(getPrismJavaBundle());
+    javas.append(getPrismExtraJavaPaths());
     javas = addJavasFromEnv(javas);
     javas.removeDuplicates();
     return javas;
@@ -432,6 +435,7 @@ QList<QString> JavaUtils::FindJavaPaths()
 
     javas.append(getMinecraftJavaBundle());
     javas.append(getPrismJavaBundle());
+    javas.append(getPrismExtraJavaPaths());
     javas.removeDuplicates();
     return addJavasFromEnv(javas);
 }
@@ -515,6 +519,33 @@ QStringList getPrismJavaBundle()
 
     scanJavaDir(APPLICATION->javaPath());
 
+    return javas;
+}
+
+QStringList getPrismExtraJavaPaths()
+{
+    QList<QString> javas;
+
+    QString executable = "java";
+#if defined(Q_OS_WIN32)
+    executable += "w.exe";
+#endif
+
+    auto scanDir = [&](QString prefix) {
+        javas.append(FS::PathCombine(prefix, "jre", "bin", executable));
+        javas.append(FS::PathCombine(prefix, "bin", executable));
+        javas.append(FS::PathCombine(prefix, executable));
+    };
+    auto scanJavaDir = [&](const QString& dirPath) {
+        QDir dir(dirPath);
+        if (!dir.exists())
+            return;
+        auto entries = dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot);
+        for (auto& entry : entries) {
+            scanDir(entry.canonicalFilePath());
+        }
+    };
+
     auto extra_paths = APPLICATION->settings()->get("JavaExtraSearchPaths").toStringList();
     for (auto& entry : extra_paths) {
         scanDir(entry);

launcher/java/JavaUtils.h

@@ -27,6 +27,7 @@ QString stripVariableEntries(QString name, QString target, QString remove);
 QProcessEnvironment CleanEnviroment();
 QStringList getMinecraftJavaBundle();
 QStringList getPrismJavaBundle();
+QStringList getPrismExtraJavaPaths();
 
 class JavaUtils : public QObject {
     Q_OBJECT

launcher/ui/pages/global/JavaPage.cpp

@@ -36,6 +36,8 @@
 
 #include "JavaPage.h"
 #include "JavaCommon.h"
+#include "java/JavaInstall.h"
+#include "ui/dialogs/CustomMessageBox.h"
 #include "ui/java/JavaDownloader.h"
 #include "ui_JavaPage.h"
 
@@ -59,6 +61,11 @@ JavaPage::JavaPage(QWidget* parent) : QWidget(parent), ui(new Ui::JavaPage)
 {
     ui->setupUi(this);
 
+    ui->managedJavaList->initialize(new JavaInstallList(this, true));
+    ui->managedJavaList->selectCurrent();
+    ui->managedJavaList->setEmptyString(tr("No java versions are currently available in the meta"));
+    ui->managedJavaList->setEmptyErrorString(tr("Couldn't load or download the java version lists!"));
+
     loadSettings();
     updateThresholds();
 }
@@ -244,3 +251,36 @@ void JavaPage::on_removeExtraPathButton_clicked()
     }
     APPLICATION->settings()->set("JavaExtraSearchPaths", m_extra_paths->stringList());
 }
+
+void JavaPage::on_downloadJavaButton_clicked()
+{
+    on_javaDownloadBtn_clicked();
+}
+
+void JavaPage::on_removeJavaButton_clicked()
+{
+    auto version = ui->managedJavaList->selectedVersion();
+    auto dcast = std::dynamic_pointer_cast<JavaInstall>(version);
+    if (!dcast) {
+        return;
+    }
+    QDir dir(APPLICATION->javaPath());
+
+    auto entries = dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot);
+    for (auto& entry : entries) {
+        if (dcast->path.startsWith(entry.canonicalFilePath())) {
+            auto response = CustomMessageBox::selectable(this, tr("Confirm Deletion"),
+                                                         tr("You are about to remove \"%1\" java version.\n"
+                                                            "Are you sure?")
+                                                             .arg(entry.fileName()),
+                                                         QMessageBox::Warning, QMessageBox::Yes | QMessageBox::No, QMessageBox::No)
+                                ->exec();
+
+            if (response == QMessageBox::Yes) {
+                FS::deletePath(entry.canonicalFilePath());
+                ui->managedJavaList->loadList();
+            }
+            break;
+        }
+    }
+}

launcher/ui/pages/global/JavaPage.h

@@ -75,6 +75,8 @@ class JavaPage : public QWidget, public BasePage {
     void on_javaDownloadBtn_clicked();
     void on_addExtraPathButton_clicked();
     void on_removeExtraPathButton_clicked();
+    void on_downloadJavaButton_clicked();
+    void on_removeJavaButton_clicked();
     void on_maxMemSpinBox_valueChanged(int i);
     void checkerFinished();
 

launcher/ui/pages/global/JavaPage.ui

@@ -32,7 +32,7 @@
    <item>
     <widget class="QTabWidget" name="tabWidget">
      <property name="currentIndex">
-      <number>1</number>
+      <number>0</number>
      </property>
      <widget class="QWidget" name="general">
       <attribute name="title">
@@ -317,6 +317,56 @@
        <string>Management</string>
       </attribute>
       <layout class="QVBoxLayout" name="verticalLayout_3">
+       <item>
+        <widget class="QGroupBox" name="groupBox">
+         <property name="title">
+          <string>Downloaded Java Versions</string>
+         </property>
+         <layout class="QHBoxLayout" name="horizontalLayout_4">
+          <item>
+           <widget class="VersionSelectWidget" name="managedJavaList" native="true">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <layout class="QVBoxLayout" name="managedJavaBtnLayout">
+            <item>
+             <widget class="QPushButton" name="downloadJavaButton">
+              <property name="text">
+               <string>Download</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QPushButton" name="removeJavaButton">
+              <property name="text">
+               <string>Remove</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <spacer name="verticalSpacer_2">
+              <property name="orientation">
+               <enum>Qt::Vertical</enum>
+              </property>
+              <property name="sizeHint" stdset="0">
+               <size>
+                <width>20</width>
+                <height>40</height>
+               </size>
+              </property>
+             </spacer>
+            </item>
+           </layout>
+          </item>
+         </layout>
+        </widget>
+       </item>
        <item>
         <widget class="QGroupBox" name="extraJavaPathsGroupBox">
          <property name="title">
@@ -379,6 +429,14 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>VersionSelectWidget</class>
+   <extends>QWidget</extends>
+   <header>ui/widgets/VersionSelectWidget.h</header>
+   <container>1</container>
+  </customwidget>
+ </customwidgets>
  <tabstops>
   <tabstop>minMemSpinBox</tabstop>
   <tabstop>maxMemSpinBox</tabstop>