From f2c13ed3791a6abd89c216a25f6c11a40d97f8a1 Mon Sep 17 00:00:00 2001
From: FineFindus <FineFindus@proton.me>
Date: Fri, 21 Apr 2023 21:17:20 +0200
Subject: [PATCH] refactor: add abstract settingsbase fragment

---
 .../settings/SettingsBaseFragment.java        | 415 ++++++++++++++++++
 1 file changed, 415 insertions(+)
 create mode 100644 mastodon/src/main/java/org/joinmastodon/android/fragments/settings/SettingsBaseFragment.java

diff --git a/mastodon/src/main/java/org/joinmastodon/android/fragments/settings/SettingsBaseFragment.java b/mastodon/src/main/java/org/joinmastodon/android/fragments/settings/SettingsBaseFragment.java
new file mode 100644
index 000000000..f00bdd2fb
--- /dev/null
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/settings/SettingsBaseFragment.java
@@ -0,0 +1,415 @@
+package org.joinmastodon.android.fragments.settings;
+
+import android.annotation.SuppressLint;
+import android.graphics.Rect;
+import android.os.Build;
+import android.os.Bundle;
+import android.util.TypedValue;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.WindowInsets;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.ProgressBar;
+import android.widget.Switch;
+import android.widget.TextView;
+
+import androidx.annotation.DrawableRes;
+import androidx.annotation.NonNull;
+import androidx.annotation.StringRes;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import org.joinmastodon.android.DomainManager;
+import org.joinmastodon.android.R;
+import org.joinmastodon.android.api.session.AccountSession;
+import org.joinmastodon.android.api.session.AccountSessionManager;
+import org.joinmastodon.android.fragments.DomainDisplay;
+import org.joinmastodon.android.fragments.MastodonToolbarFragment;
+import org.joinmastodon.android.ui.utils.UiUtils;
+
+import java.util.ArrayList;
+import java.util.function.Consumer;
+
+import me.grishka.appkit.utils.BindableViewHolder;
+import me.grishka.appkit.utils.V;
+import me.grishka.appkit.views.UsableRecyclerView;
+
+public abstract class SettingsBaseFragment extends MastodonToolbarFragment implements DomainDisplay {
+	protected View view;
+	private UsableRecyclerView list;
+	private ArrayList<Item> items=new ArrayList<>();
+	private String accountID;
+
+	public abstract void addItems(ArrayList<Item> items);
+
+	@Override
+	public void onCreate(Bundle savedInstanceState){
+		super.onCreate(savedInstanceState);
+		if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.N)
+			setRetainInstance(true);
+		setTitle(R.string.settings);
+
+		accountID=getArguments().getString("account");
+		AccountSession session = AccountSessionManager.getInstance().getAccount(accountID);
+		DomainManager.getInstance().setCurrentDomain(session.domain + "/settings");
+
+		addItems(items);
+	}
+
+	@Override
+	public View onCreateContentView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
+		list=new UsableRecyclerView(getActivity());
+		list.setLayoutManager(new LinearLayoutManager(getActivity()));
+		list.setAdapter(new SettingsAdapter());
+		list.setBackgroundColor(UiUtils.getThemeColor(getActivity(), android.R.attr.colorBackground));
+		list.setPadding(0, V.dp(16), 0, V.dp(12));
+		list.setClipToPadding(false);
+		list.addItemDecoration(new RecyclerView.ItemDecoration(){
+			@Override
+			public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state){
+				// Add 32dp gaps between sections
+				RecyclerView.ViewHolder holder=parent.getChildViewHolder(view);
+				if((holder instanceof HeaderViewHolder || holder instanceof FooterViewHolder) && holder.getAbsoluteAdapterPosition()>1)
+					outRect.top=V.dp(32);
+			}
+		});
+		return list;
+	}
+
+	@Override
+	public void onApplyWindowInsets(WindowInsets insets){
+		if(Build.VERSION.SDK_INT>=29 && insets.getTappableElementInsets().bottom==0){
+			list.setPadding(0, V.dp(16), 0, V.dp(12)+insets.getSystemWindowInsetBottom());
+			insets=insets.inset(0, 0, 0, insets.getSystemWindowInsetBottom());
+		}
+		super.onApplyWindowInsets(insets);
+	}
+
+	@Override
+	public void onViewCreated(View view, Bundle savedInstanceState){
+		super.onViewCreated(view, savedInstanceState);
+		this.view = view;
+	}
+
+
+	private static abstract class Item{
+		public abstract int getViewType();
+	}
+
+	private class HeaderItem extends Item{
+		private String text;
+
+		public HeaderItem(@StringRes int text){
+			this.text=getString(text);
+		}
+
+		public HeaderItem(String text){
+			this.text=text;
+		}
+
+		@Override
+		public int getViewType(){
+			return Type.HEADER.ordinal();
+		}
+	}
+
+	private class SwitchItem extends Item{
+		private String text;
+		private int icon;
+		private boolean checked;
+		private Consumer<SwitchItem> onChanged;
+		private boolean enabled=true;
+
+		public SwitchItem(@StringRes int text, @DrawableRes int icon, boolean checked, Consumer<SwitchItem> onChanged){
+			this.text=getString(text);
+			this.icon=icon;
+			this.checked=checked;
+			this.onChanged=onChanged;
+		}
+
+		public SwitchItem(@StringRes int text, @DrawableRes int icon, boolean checked, Consumer<SwitchItem> onChanged, boolean enabled){
+			this.text=getString(text);
+			this.icon=icon;
+			this.checked=checked;
+			this.onChanged=onChanged;
+			this.enabled=enabled;
+		}
+
+		@Override
+		public int getViewType(){
+			return Type.SWITCH.ordinal();
+		}
+	}
+
+	public class ButtonItem extends Item{
+		private int text;
+		private int icon;
+		private Consumer<Button> buttonConsumer;
+
+		public ButtonItem(@StringRes int text, @DrawableRes int icon, Consumer<Button> buttonConsumer) {
+			this.text = text;
+			this.icon = icon;
+			this.buttonConsumer = buttonConsumer;
+		}
+
+		@Override
+		public int getViewType(){
+			return Type.BUTTON.ordinal();
+		}
+	}
+
+	private class SmallTextItem extends Item {
+		private String text;
+
+		public SmallTextItem(String text) {
+			this.text = text;
+		}
+
+		@Override
+		public int getViewType() {
+			return Type.SMALL_TEXT.ordinal();
+		}
+	}
+
+	private class TextItem extends Item{
+		private String text;
+		private String secondaryText;
+		private Runnable onClick;
+		private boolean loading;
+		private int icon;
+
+		public TextItem(@StringRes int text, Runnable onClick) {
+			this(text, null, onClick, false, 0);
+		}
+
+		public TextItem(@StringRes int text, Runnable onClick, @DrawableRes int icon) {
+			this(text, null, onClick, false, icon);
+		}
+
+		public TextItem(@StringRes int text, String secondaryText, Runnable onClick, @DrawableRes int icon) {
+			this(text, secondaryText, onClick, false, icon);
+		}
+
+		public TextItem(@StringRes int text, String secondaryText, Runnable onClick, boolean loading, @DrawableRes int icon){
+			this.text=getString(text);
+			this.onClick=onClick;
+			this.loading=loading;
+			this.icon=icon;
+			this.secondaryText = secondaryText;
+		}
+
+		public TextItem(String text, Runnable onClick){
+			this.text=text;
+			this.onClick=onClick;
+		}
+
+		public TextItem(String text, Runnable onClick, @DrawableRes int icon){
+			this.text=text;
+			this.onClick=onClick;
+			this.icon=icon;
+		}
+
+		@Override
+		public int getViewType(){
+			return Type.TEXT.ordinal();
+		}
+	}
+
+	private class FooterItem extends Item{
+		private String text;
+		private Runnable onClick;
+
+		public FooterItem(String text, Runnable onClick){
+			this.text=text;
+			this.onClick=onClick;
+		}
+
+		@Override
+		public int getViewType(){
+			return Type.FOOTER.ordinal();
+		}
+	}
+
+	public enum Type{
+		HEADER,
+		SWITCH,
+		TEXT,
+		FOOTER,
+		BUTTON,
+		SMALL_TEXT,
+	}
+
+
+	private class SettingsAdapter extends RecyclerView.Adapter<BindableViewHolder<Item>>{
+
+		@NonNull
+		@Override
+		public BindableViewHolder<Item> onCreateViewHolder(@NonNull ViewGroup parent, int viewType){
+			//noinspection unchecked
+			return (BindableViewHolder<Item>) switch(Type.values()[viewType]){
+				case HEADER -> new HeaderViewHolder();
+				case SWITCH -> new SwitchViewHolder();
+				case TEXT -> new TextViewHolder();
+				case FOOTER -> new FooterViewHolder();
+				case BUTTON -> new ButtonViewHolder();
+				case SMALL_TEXT -> new SmallTextViewHolder();
+			};
+		}
+
+		@Override
+		public void onBindViewHolder(@NonNull BindableViewHolder<Item> holder, int position){
+			holder.bind(items.get(position));
+		}
+
+		@Override
+		public int getItemCount(){
+			return items.size();
+		}
+
+		@Override
+		public int getItemViewType(int position){
+			return items.get(position).getViewType();
+		}
+	}
+
+	private class HeaderViewHolder extends BindableViewHolder<HeaderItem>{
+		private final TextView text;
+		public HeaderViewHolder(){
+			super(getActivity(), R.layout.item_settings_header, list);
+			text=(TextView) itemView;
+		}
+
+		@Override
+		public void onBind(HeaderItem item){
+			text.setText(item.text);
+		}
+	}
+
+	private class SwitchViewHolder extends BindableViewHolder<SwitchItem> implements UsableRecyclerView.DisableableClickable{
+		private final TextView text;
+		private final ImageView icon;
+		private final Switch checkbox;
+
+		public SwitchViewHolder(){
+			super(getActivity(), R.layout.item_settings_switch, list);
+			text=findViewById(R.id.text);
+			icon=findViewById(R.id.icon);
+			checkbox=findViewById(R.id.checkbox);
+		}
+
+		@Override
+		public void onBind(SwitchItem item){
+			text.setText(item.text);
+			if (item.icon == 0) {
+				icon.setVisibility(View.GONE);
+			} else {
+				icon.setVisibility(View.VISIBLE);
+				icon.setImageResource(item.icon);
+			}
+			checkbox.setChecked(item.checked && item.enabled);
+			checkbox.setEnabled(item.enabled);
+		}
+
+		@Override
+		public void onClick(){
+			item.checked=!item.checked;
+			checkbox.setChecked(item.checked);
+			item.onChanged.accept(item);
+		}
+
+		@Override
+		public boolean isEnabled(){
+			return item.enabled;
+		}
+	}
+
+	private class ButtonViewHolder extends BindableViewHolder<ButtonItem>{
+		private final Button button;
+		private final ImageView icon;
+		private final TextView text;
+
+		@SuppressLint("ClickableViewAccessibility")
+		public ButtonViewHolder(){
+			super(getActivity(), R.layout.item_settings_button, list);
+			text=findViewById(R.id.text);
+			icon=findViewById(R.id.icon);
+			button=findViewById(R.id.button);
+		}
+
+		@Override
+		public void onBind(ButtonItem item){
+			text.setText(item.text);
+			icon.setImageResource(item.icon);
+			item.buttonConsumer.accept(button);
+		}
+	}
+
+	private class TextViewHolder extends BindableViewHolder<TextItem> implements UsableRecyclerView.Clickable{
+		private final TextView text, secondaryText;
+		private final ProgressBar progress;
+		private final ImageView icon;
+
+		public TextViewHolder(){
+			super(getActivity(), R.layout.item_settings_text, list);
+			text = itemView.findViewById(R.id.text);
+			secondaryText = itemView.findViewById(R.id.secondary_text);
+			progress = itemView.findViewById(R.id.progress);
+			icon = itemView.findViewById(R.id.icon);
+		}
+
+		@Override
+		public void onBind(TextItem item){
+			icon.setVisibility(item.icon != 0 ? View.VISIBLE : View.GONE);
+			secondaryText.setVisibility(item.secondaryText != null ? View.VISIBLE : View.GONE);
+
+			text.setText(item.text);
+			progress.animate().alpha(item.loading ? 1 : 0);
+			icon.setImageResource(item.icon);
+			secondaryText.setText(item.secondaryText);
+		}
+
+		@Override
+		public void onClick(){
+			item.onClick.run();
+		}
+	}
+
+	private class SmallTextViewHolder extends BindableViewHolder<SmallTextItem> {
+		private final TextView text;
+
+		public SmallTextViewHolder(){
+			super(getActivity(), R.layout.item_settings_text, list);
+			text = itemView.findViewById(R.id.text);
+			text.setTextColor(UiUtils.getThemeColor(getActivity(), android.R.attr.textColorSecondary));
+			text.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT));
+			text.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14);
+			text.setPaddingRelative(text.getPaddingStart(), 0, text.getPaddingEnd(), text.getPaddingBottom());
+		}
+
+		@Override
+		public void onBind(SmallTextItem item){
+			text.setText(item.text);
+		}
+	}
+
+	private class FooterViewHolder extends BindableViewHolder<FooterItem> implements UsableRecyclerView.Clickable{
+		private final TextView text;
+		public FooterViewHolder(){
+			super(getActivity(), R.layout.item_settings_footer, list);
+			text=(TextView) itemView;
+		}
+
+		@Override
+		public void onBind(FooterItem item){
+			text.setText(item.text);
+		}
+
+		@Override
+		public void onClick(){
+			item.onClick.run();
+		}
+	}
+}