add: clear button for cache directory

HMCL/src/main/java/org/jackhuang/hmcl/ui/SettingsPage.java

@@ -40,9 +40,11 @@ import org.jackhuang.hmcl.upgrade.UpdateChecker;
 import org.jackhuang.hmcl.upgrade.UpdateHandler;
 import org.jackhuang.hmcl.util.Logging;
 import org.jackhuang.hmcl.util.i18n.Locales;
+import org.jackhuang.hmcl.util.io.FileUtils;
 import org.jackhuang.hmcl.util.javafx.SafeStringConverter;
 
 import java.awt.*;
+import java.io.File;
 import java.io.IOException;
 import java.net.Proxy;
 import java.nio.file.Files;
@@ -251,4 +253,9 @@ public final class SettingsPage extends SettingsView implements DecoratorPage {
     protected void onSponsor() {
         FXUtils.openLink("https://hmcl.huangyuhui.net/api/redirect/sponsor");
     }
+
+    @Override
+    protected void clearCacheDirectory() {
+        FileUtils.cleanDirectoryQuietly(new File(Settings.instance().getCommonDirectory(), "cache"));
+    }
 }

HMCL/src/main/java/org/jackhuang/hmcl/ui/SettingsView.java

@@ -183,6 +183,14 @@ public abstract class SettingsView extends StackPane {
                     fileCommonLocation.setHasSubtitle(true);
                     fileCommonLocation.setCustomText("settings.custom");
 
+                    {
+                        JFXButton cleanButton = new JFXButton(i18n("launcher.cache_directory.clean"));
+                        cleanButton.setOnMouseClicked(e -> clearCacheDirectory());
+                        cleanButton.getStyleClass().add("jfx-button-border");
+
+                        fileCommonLocation.setHeaderRight(cleanButton);
+                    }
+
                     settingsPane.getContent().add(fileCommonLocation);
                 }
 
@@ -526,4 +534,5 @@ public abstract class SettingsView extends StackPane {
     protected abstract void onHelp();
     protected abstract void onExportLogs();
     protected abstract void onSponsor();
+    protected abstract void clearCacheDirectory();
 }

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/ComponentSublist.java

@@ -23,7 +23,7 @@ import javafx.beans.property.SimpleObjectProperty;
 import javafx.scene.Node;
 
 @DefaultProperty("content")
-public final class ComponentSublist extends ComponentList {
+public class ComponentSublist extends ComponentList {
 
     private final ObjectProperty<Node> headerLeft = new SimpleObjectProperty<>(this, "headerLeft");
     private final ObjectProperty<Node> headerRight = new SimpleObjectProperty<>(this, "headerRight");

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MultiFileItem.java

@@ -47,7 +47,7 @@ import java.util.function.Consumer;
 
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
 
-public class MultiFileItem<T> extends ComponentList {
+public class MultiFileItem<T> extends ComponentSublist {
     private final StringProperty customTitle = new SimpleStringProperty(this, "customTitle", i18n("selector.custom"));
     private final StringProperty chooserTitle = new SimpleStringProperty(this, "chooserTitle", i18n("selector.choose_file"));
     private final BooleanProperty directory = new SimpleBooleanProperty(this, "directory", false);

HMCL/src/main/resources/assets/lang/I18N.properties

@@ -193,6 +193,7 @@ launcher.background=Background Image
 launcher.background.choose=Choose a background image file
 launcher.background.default=Standard
 launcher.cache_directory=Directory for caching
+launcher.cache_directory.clean=Clear
 launcher.cache_directory.choose=Choose the directory for caching
 launcher.cache_directory.default=Standard
 launcher.cache_directory.disabled=Disabled

HMCL/src/main/resources/assets/lang/I18N_ru.properties

@@ -190,6 +190,7 @@ launcher.background=Изображение на заднем плане
 launcher.background.choose=Выберите путь до изображения на заднем плане
 launcher.background.default=Стандартное
 launcher.cache_directory=Каталог для скачки библиотек
+launcher.cache_directory.clean=Очистить
 launcher.cache_directory.choose=Выбор каталога для скачки кеша
 launcher.cache_directory.default=По умолчанию
 launcher.cache_directory.disabled=Отключено

HMCL/src/main/resources/assets/lang/I18N_zh.properties

@@ -191,6 +191,7 @@ launcher.background=背景位址
 launcher.background.choose=選擇背景路徑
 launcher.background.default=預設（自動尋找啟動器同目錄下的 background.png/jpg 及 bg 資料夾內的圖片）
 launcher.cache_directory=檔案下載快取目錄
+launcher.cache_directory.clean=清理
 launcher.cache_directory.choose=選擇檔案下載快取目錄
 launcher.cache_directory.default=預設
 launcher.cache_directory.disabled=停用

HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties

@@ -192,6 +192,7 @@ launcher.background=背景地址
 launcher.background.choose=选择背景路径
 launcher.background.default=默认（自动检索启动器同目录下的 background.png/jpg 及 bg 文件夹内的图片）
 launcher.cache_directory=文件下载缓存目录
+launcher.cache_directory.clean=清理
 launcher.cache_directory.choose=选择文件下载缓存目录
 launcher.cache_directory.default=默认（%AppData%/.minecraft 或者 ~/.minecraft）
 launcher.cache_directory.disabled=禁用（总是使用游戏路径）

HMCLCore/src/main/java/org/jackhuang/hmcl/task/Schedulers.java

@@ -48,7 +48,7 @@ public final class Schedulers {
 
     public static synchronized ThreadPoolExecutor io() {
         if (IO_EXECUTOR == null)
-            IO_EXECUTOR = new ThreadPoolExecutor(0, 6,
+            IO_EXECUTOR = new ThreadPoolExecutor(6, 6,
                     60L, TimeUnit.SECONDS,
                     new SynchronousQueue<>(),
                     runnable -> {