android: Convert CheckBoxSetting to Kotlin

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/CheckBoxSetting.java

@@ -1,80 +0,0 @@
-package org.yuzu.yuzu_emu.features.settings.model.view;
-
-import org.yuzu.yuzu_emu.YuzuApplication;
-import org.yuzu.yuzu_emu.R;
-import org.yuzu.yuzu_emu.features.settings.model.BooleanSetting;
-import org.yuzu.yuzu_emu.features.settings.model.IntSetting;
-import org.yuzu.yuzu_emu.features.settings.model.Setting;
-import org.yuzu.yuzu_emu.features.settings.ui.SettingsFragmentView;
-
-public final class CheckBoxSetting extends SettingsItem {
-    private boolean mDefaultValue;
-    private boolean mShowPerformanceWarning;
-    private SettingsFragmentView mView;
-
-    public CheckBoxSetting(String key, String section, int titleId, int descriptionId,
-                           boolean defaultValue, Setting setting) {
-        super(key, section, setting, titleId, descriptionId);
-        mDefaultValue = defaultValue;
-        mShowPerformanceWarning = false;
-    }
-
-    public CheckBoxSetting(String key, String section, int titleId, int descriptionId,
-                           boolean defaultValue, Setting setting, boolean show_performance_warning, SettingsFragmentView view) {
-        super(key, section, setting, titleId, descriptionId);
-        mDefaultValue = defaultValue;
-        mView = view;
-        mShowPerformanceWarning = show_performance_warning;
-    }
-
-    public boolean isChecked() {
-        if (getSetting() == null) {
-            return mDefaultValue;
-        }
-
-        // Try integer setting
-        try {
-            IntSetting setting = (IntSetting) getSetting();
-            return setting.getValue() == 1;
-        } catch (ClassCastException exception) {
-        }
-
-        // Try boolean setting
-        try {
-            BooleanSetting setting = (BooleanSetting) getSetting();
-            return setting.getValue() == true;
-        } catch (ClassCastException exception) {
-        }
-
-        return mDefaultValue;
-    }
-
-    /**
-     * Write a value to the backing boolean. If that boolean was previously null,
-     * initializes a new one and returns it, so it can be added to the Hashmap.
-     *
-     * @param checked Pretty self explanatory.
-     * @return null if overwritten successfully; otherwise, a newly created BooleanSetting.
-     */
-    public IntSetting setChecked(boolean checked) {
-        // Show a performance warning if the setting has been disabled
-        if (mShowPerformanceWarning && !checked) {
-            mView.showToastMessage(YuzuApplication.getAppContext().getString(R.string.performance_warning), true);
-        }
-
-        if (getSetting() == null) {
-            IntSetting setting = new IntSetting(getKey(), getSection(), checked ? 1 : 0);
-            setSetting(setting);
-            return setting;
-        } else {
-            IntSetting setting = (IntSetting) getSetting();
-            setting.setValue(checked ? 1 : 0);
-            return null;
-        }
-    }
-
-    @Override
-    public int getType() {
-        return TYPE_CHECKBOX;
-    }
-}

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/CheckBoxSetting.kt

@@ -0,0 +1,91 @@
+package org.yuzu.yuzu_emu.features.settings.model.view
+
+import org.yuzu.yuzu_emu.R
+import org.yuzu.yuzu_emu.YuzuApplication
+import org.yuzu.yuzu_emu.features.settings.model.BooleanSetting
+import org.yuzu.yuzu_emu.features.settings.model.IntSetting
+import org.yuzu.yuzu_emu.features.settings.model.Setting
+import org.yuzu.yuzu_emu.features.settings.ui.SettingsFragmentView
+
+class CheckBoxSetting : SettingsItem {
+    override val type = TYPE_CHECKBOX
+
+    private var defaultValue: Boolean
+    private var showPerformanceWarning: Boolean
+    private var fragmentView: SettingsFragmentView? = null
+
+    constructor(
+        key: String,
+        section: String,
+        setting: Setting?,
+        titleId: Int,
+        descriptionId: Int,
+        defaultValue: Boolean
+    ) : super(key, section, setting, titleId, descriptionId) {
+        this.defaultValue = defaultValue
+        showPerformanceWarning = false
+    }
+
+    constructor(
+        key: String,
+        section: String,
+        titleId: Int,
+        descriptionId: Int,
+        defaultValue: Boolean,
+        setting: Setting,
+        show_performance_warning: Boolean,
+        view: SettingsFragmentView
+    ) : super(key, section, setting, titleId, descriptionId) {
+        this.defaultValue = defaultValue
+        fragmentView = view
+        showPerformanceWarning = show_performance_warning
+    }
+
+    val isChecked: Boolean
+        get() {
+            if (setting == null) {
+                return defaultValue
+            }
+
+            // Try integer setting
+            try {
+                val setting = setting as IntSetting
+                return setting.value == 1
+            } catch (_: ClassCastException) {
+            }
+
+            // Try boolean setting
+            try {
+                val setting = setting as BooleanSetting
+                return setting.value
+            } catch (_: ClassCastException) {
+            }
+            return defaultValue
+        }
+
+    /**
+     * Write a value to the backing boolean. If that boolean was previously null,
+     * initializes a new one and returns it, so it can be added to the Hashmap.
+     *
+     * @param checked Pretty self explanatory.
+     * @return null if overwritten successfully; otherwise, a newly created BooleanSetting.
+     */
+    fun setChecked(checked: Boolean): IntSetting? {
+        // Show a performance warning if the setting has been disabled
+        if (showPerformanceWarning && !checked) {
+            fragmentView!!.showToastMessage(
+                YuzuApplication.appContext.getString(R.string.performance_warning), true
+            )
+        }
+
+        return if (setting == null) {
+            val newSetting = IntSetting(key!!, section!!, if (checked) 1 else 0)
+            setting = newSetting
+            newSetting
+        } else {
+            val newSetting = setting as IntSetting
+            newSetting.value = if (checked) 1 else 0
+            null
+        }
+    }
+}