1 files changed, 78 insertions, 0 deletions
diff --git a/src/android/app/src/main/java/org/citra/citra_emu/features/settings/ui/SettingsFragmentView.java b/src/android/app/src/main/java/org/citra/citra_emu/features/settings/ui/SettingsFragmentView.java
new file mode 100644
index 000000000..c36eb55a7
--- /dev/null
+++ b/src/android/app/src/main/java/org/citra/citra_emu/features/settings/ui/SettingsFragmentView.java
@@ -0,0 +1,78 @@
+package org.citra.citra_emu.features.settings.ui;
+
+import androidx.fragment.app.FragmentActivity;
+
+import org.citra.citra_emu.features.settings.model.Setting;
+import org.citra.citra_emu.features.settings.model.Settings;
+import org.citra.citra_emu.features.settings.model.view.SettingsItem;
+
+import java.util.ArrayList;
+
+/**
+ * Abstraction for a screen showing a list of settings. Instances of
+ * this type of view will each display a layer of the setting hierarchy.
+ */
+public interface SettingsFragmentView {
+    /**
+     * Called by the containing Activity to notify the Fragment that an
+     * asynchronous load operation completed.
+     *
+     * @param settings The (possibly null) result of the ini load operation.
+     */
+    void onSettingsFileLoaded(Settings settings);
+
+    /**
+     * Pass a settings HashMap to the containing activity, so that it can
+     * share the HashMap with other SettingsFragments; useful so that rotations
+     * do not require an additional load operation.
+     *
+     * @param settings An ArrayList containing all the settings HashMaps.
+     */
+    void passSettingsToActivity(Settings settings);
+
+    /**
+     * Pass an ArrayList to the View so that it can be displayed on screen.
+     *
+     * @param settingsList The result of converting the HashMap to an ArrayList
+     */
+    void showSettingsList(ArrayList<SettingsItem> settingsList);
+
+    /**
+     * Called by the containing Activity when an asynchronous load operation fails.
+     * Instructs the Fragment to load the settings screen with defaults selected.
+     */
+    void loadDefaultSettings();
+
+    /**
+     * @return The Fragment's containing activity.
+     */
+    FragmentActivity getActivity();
+
+    /**
+     * Tell the Fragment to tell the containing Activity to show a new
+     * Fragment containing a submenu of settings.
+     *
+     * @param menuKey Identifier for the settings group that should be shown.
+     */
+    void loadSubMenu(String menuKey);
+
+    /**
+     * Tell the Fragment to tell the containing activity to display a toast message.
+     *
+     * @param message Text to be shown in the Toast
+     * @param is_long Whether this should be a long Toast or short one.
+     */
+    void showToastMessage(String message, boolean is_long);
+
+    /**
+     * Have the fragment add a setting to the HashMap.
+     *
+     * @param setting The (possibly previously missing) new setting.
+     */
+    void putSetting(Setting setting);
+
+    /**
+     * Have the fragment tell the containing Activity that a setting was modified.
+     */
+    void onSettingChanged();
+}