Add manage icon packs dialog

app/src/main/java/com/cringe_studios/cringe_authenticator/fragment/EditOTPFragment.java

@@ -12,6 +12,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -21,6 +22,7 @@ import androidx.exifinterface.media.ExifInterface;
 import com.cringe_studios.cringe_authenticator.MainActivity;
 import com.cringe_studios.cringe_authenticator.R;
 import com.cringe_studios.cringe_authenticator.databinding.FragmentEditOtpBinding;
+import com.cringe_studios.cringe_authenticator.icon.IconPack;
 import com.cringe_studios.cringe_authenticator.icon.IconUtil;
 import com.cringe_studios.cringe_authenticator.model.OTPData;
 import com.cringe_studios.cringe_authenticator.util.DialogUtil;
@@ -36,6 +38,7 @@ import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Arrays;
+import java.util.List;
 
 public class EditOTPFragment extends NamedFragment {
 
@@ -184,7 +187,12 @@ public class EditOTPFragment extends NamedFragment {
     }
 
     private void pickImageFromIconPack() {
-        // TODO: check if icon packs installed
+        List<IconPack> packs = IconUtil.loadAllIconPacks(requireContext());
+        if(packs.isEmpty()) {
+            Toast.makeText(requireContext(), R.string.no_icon_packs_installed, Toast.LENGTH_LONG).show();
+            return;
+        }
+
         new PickIconDrawerFragment(icon -> {
             imageData = Base64.encodeToString(icon.getBytes(), Base64.DEFAULT);
             updateImage();

app/src/main/java/com/cringe_studios/cringe_authenticator/fragment/SettingsFragment.java

@@ -8,9 +8,11 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.LinearLayoutManager;
 
 import com.cringe_studios.cringe_authenticator.MainActivity;
 import com.cringe_studios.cringe_authenticator.R;
@@ -20,7 +22,11 @@ import com.cringe_studios.cringe_authenticator.crypto.BiometricKey;
 import com.cringe_studios.cringe_authenticator.crypto.Crypto;
 import com.cringe_studios.cringe_authenticator.crypto.CryptoException;
 import com.cringe_studios.cringe_authenticator.crypto.CryptoParameters;
+import com.cringe_studios.cringe_authenticator.databinding.DialogManageIconPacksBinding;
 import com.cringe_studios.cringe_authenticator.databinding.FragmentSettingsBinding;
+import com.cringe_studios.cringe_authenticator.icon.IconPack;
+import com.cringe_studios.cringe_authenticator.icon.IconPackListAdapter;
+import com.cringe_studios.cringe_authenticator.icon.IconUtil;
 import com.cringe_studios.cringe_authenticator.util.Appearance;
 import com.cringe_studios.cringe_authenticator.util.BackupException;
 import com.cringe_studios.cringe_authenticator.util.BiometricUtil;
@@ -32,6 +38,7 @@ import com.cringe_studios.cringe_authenticator.util.StyledDialogBuilder;
 import com.cringe_studios.cringe_authenticator.util.Theme;
 
 import java.util.Arrays;
+import java.util.List;
 import java.util.Locale;
 
 import javax.crypto.SecretKey;
@@ -256,6 +263,25 @@ public class SettingsFragment extends NamedFragment {
 
         binding.settingsLoadIconPack.setOnClickListener(v -> ((MainActivity) requireActivity()).promptPickIconPackLoad());
 
+        binding.settingsManageIconPacks.setOnClickListener(v -> {
+            List<IconPack> packs = IconUtil.loadAllIconPacks(requireContext());
+            if(packs.isEmpty()) {
+                Toast.makeText(requireContext(), R.string.no_icon_packs_installed, Toast.LENGTH_LONG).show();
+                return;
+            }
+
+            DialogManageIconPacksBinding binding = DialogManageIconPacksBinding.inflate(getLayoutInflater());
+
+            binding.manageIconPacksList.setLayoutManager(new LinearLayoutManager(requireContext()));
+            binding.manageIconPacksList.setAdapter(new IconPackListAdapter(requireContext(), IconUtil.loadAllIconPacks(requireContext())));
+
+            new StyledDialogBuilder(requireContext())
+                    .setTitle("Manage icon packs")
+                    .setView(binding.getRoot())
+                    .setPositiveButton(R.string.ok, (d, which) -> {})
+                    .show();
+        });
+
         return binding.getRoot();
     }
 

app/src/main/java/com/cringe_studios/cringe_authenticator/icon/IconPackItem.java

@@ -0,0 +1,31 @@
+package com.cringe_studios.cringe_authenticator.icon;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.cringe_studios.cringe_authenticator.databinding.DialogManageIconPacksItemBinding;
+
+public class IconPackItem extends RecyclerView.ViewHolder {
+
+    private DialogManageIconPacksItemBinding binding;
+
+    private IconPack pack;
+
+    public IconPackItem(@NonNull DialogManageIconPacksItemBinding binding) {
+        super(binding.getRoot());
+        this.binding = binding;
+    }
+
+    public DialogManageIconPacksItemBinding getBinding() {
+        return binding;
+    }
+
+    public void setPack(IconPack pack) {
+        this.pack = pack;
+    }
+
+    public IconPack getPack() {
+        return pack;
+    }
+
+}

app/src/main/java/com/cringe_studios/cringe_authenticator/icon/IconPackListAdapter.java

@@ -0,0 +1,52 @@
+package com.cringe_studios.cringe_authenticator.icon;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.cringe_studios.cringe_authenticator.R;
+import com.cringe_studios.cringe_authenticator.databinding.DialogManageIconPacksItemBinding;
+import com.cringe_studios.cringe_authenticator.util.DialogUtil;
+
+import java.util.List;
+
+public class IconPackListAdapter extends RecyclerView.Adapter<IconPackItem> {
+
+    private Context context;
+
+    private LayoutInflater inflater;
+
+    private List<IconPack> packs;
+
+    public IconPackListAdapter(Context context, List<IconPack> packs) {
+        this.context = context;
+        this.inflater = LayoutInflater.from(context);
+        this.packs = packs;
+    }
+
+    @NonNull
+    @Override
+    public IconPackItem onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        return new IconPackItem(DialogManageIconPacksItemBinding.inflate(inflater, parent, false));
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull IconPackItem holder, int position) {
+        IconPack pack = packs.get(position);
+        holder.setPack(pack);
+
+        holder.getBinding().iconPackName.setText(pack.getMetadata().getName());
+
+        holder.getBinding().iconPackDelete.setOnClickListener(view -> {
+            DialogUtil.showYesNo(context, R.string.delete_pack_title, R.string.delete_pack_message, () -> IconUtil.removeIconPack(context, pack.getMetadata().getUuid()), null);
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return packs.size();
+    }
+}

app/src/main/java/com/cringe_studios/cringe_authenticator/icon/IconUtil.java

@@ -103,6 +103,12 @@ public class IconUtil {
         return meta;
     }
 
+    public static void removeIconPack(Context context, String uuid) {
+        File packFile = new File(getIconPacksDir(context), uuid);
+        packFile.delete();
+        loadedPacks.remove(uuid);
+    }
+
     private static IconPackMetadata loadPackMetadata(Context context, Uri uri) throws IconPackException {
         try(InputStream in = context.getContentResolver().openInputStream(uri)) {
             if(in == null) throw new IconPackException("Failed to read icon pack");

app/src/main/res/layout/dialog_manage_icon_packs.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="16dp">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/manage_icon_packs_list"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</LinearLayout>

app/src/main/res/layout/dialog_manage_icon_packs_item.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="horizontal"
+    android:padding="10dp">
+
+    <TextView
+        android:id="@+id/icon_pack_name"
+        android:layout_weight="1"
+        android:layout_width="0dp"
+        android:layout_height="match_parent"
+        android:gravity="left|center"
+        tools:text="My Icon Pack"/>
+
+    <androidx.appcompat.widget.AppCompatImageButton
+        android:id="@+id/icon_pack_delete"
+        android:layout_width="30dp"
+        android:layout_height="30dp"
+        android:background="@android:color/transparent"
+        android:src="@drawable/baseline_delete_24" />
+
+</LinearLayout>

app/src/main/res/values/strings.xml

@@ -104,4 +104,7 @@
     <string name="otp_add_algorithm">Algorithm</string>
     <string name="otp_add_digits">Digits</string>
     <string name="show_images">Show Images</string>
+    <string name="delete_pack_title">Delete pack</string>
+    <string name="delete_pack_message">Do you want to delete the icon pack?</string>
+    <string name="no_icon_packs_installed">No icon packs are currently installed</string>
 </resources>