Move Magisk Manager files into subfolder

app/src/main/java/com/topjohnwu/magisk/utils/Utils.java

@@ -0,0 +1,160 @@
+package com.topjohnwu.magisk.utils;
+
+import android.Manifest;
+import android.app.DownloadManager;
+import android.content.Context;
+import android.content.IntentFilter;
+import android.content.SharedPreferences;
+import android.content.res.Configuration;
+import android.database.Cursor;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+import android.net.Uri;
+import android.provider.OpenableColumns;
+import android.support.annotation.StringRes;
+import android.widget.Toast;
+
+import com.topjohnwu.magisk.MagiskManager;
+import com.topjohnwu.magisk.R;
+import com.topjohnwu.magisk.components.Activity;
+import com.topjohnwu.magisk.receivers.DownloadReceiver;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Locale;
+
+public class Utils {
+
+    public static boolean isDownloading = false;
+
+    public static void dlAndReceive(Context context, DownloadReceiver receiver, String link, String filename) {
+        if (isDownloading)
+            return;
+
+        Activity.runWithPermission(context,
+                new String[] { Manifest.permission.WRITE_EXTERNAL_STORAGE }, () -> {
+            File file = new File(Const.EXTERNAL_PATH, getLegalFilename(filename));
+
+            if ((!file.getParentFile().exists() && !file.getParentFile().mkdirs())
+                    || (file.exists() && !file.delete())) {
+                return;
+            }
+
+            MagiskManager.toast(context.getString(R.string.downloading_toast, filename), Toast.LENGTH_LONG);
+            isDownloading = true;
+
+            DownloadManager.Request request = new DownloadManager
+                    .Request(Uri.parse(link))
+                    .setDestinationUri(Uri.fromFile(file));
+
+            DownloadManager dm = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
+            receiver.setDownloadID(dm.enqueue(request)).setFile(file);
+            context.getApplicationContext().registerReceiver(receiver,
+                    new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));
+        });
+    }
+
+    public static String getLegalFilename(CharSequence filename) {
+        return filename.toString().replace(" ", "_").replace("'", "").replace("\"", "")
+                .replace("$", "").replace("`", "").replace("*", "").replace("/", "_")
+                .replace("#", "").replace("@", "").replace("\\", "_");
+    }
+
+    public static int getPrefsInt(SharedPreferences prefs, String key, int def) {
+        return Integer.parseInt(prefs.getString(key, String.valueOf(def)));
+    }
+
+    public static int getPrefsInt(SharedPreferences prefs, String key) {
+        return getPrefsInt(prefs, key, 0);
+    }
+
+    public static MagiskManager getMagiskManager(Context context) {
+        return (MagiskManager) context.getApplicationContext();
+    }
+
+    public static String getNameFromUri(Context context, Uri uri) {
+        String name = null;
+        try (Cursor c = context.getContentResolver().query(uri, null, null, null, null)) {
+            if (c != null) {
+                int nameIndex = c.getColumnIndex(OpenableColumns.DISPLAY_NAME);
+                if (nameIndex != -1) {
+                    c.moveToFirst();
+                    name = c.getString(nameIndex);
+                }
+            }
+        }
+        if (name == null) {
+            int idx = uri.getPath().lastIndexOf('/');
+            name = uri.getPath().substring(idx + 1);
+        }
+        return name;
+    }
+
+    public static boolean checkNetworkStatus() {
+        ConnectivityManager manager = (ConnectivityManager)
+                MagiskManager.get().getSystemService(Context.CONNECTIVITY_SERVICE);
+        NetworkInfo networkInfo = manager.getActiveNetworkInfo();
+        return networkInfo != null && networkInfo.isConnected();
+    }
+
+    public static String getLocaleString(Locale locale, @StringRes int id) {
+        Context context = MagiskManager.get();
+        Configuration config = context.getResources().getConfiguration();
+        config.setLocale(locale);
+        Context localizedContext = context.createConfigurationContext(config);
+        return localizedContext.getString(id);
+    }
+
+    public static List<Locale> getAvailableLocale() {
+        List<Locale> locales = new ArrayList<>();
+        HashSet<String> set = new HashSet<>();
+        Locale locale;
+
+        @StringRes int compareId = R.string.download_file_error;
+
+        // Add default locale
+        locales.add(Locale.ENGLISH);
+        set.add(getLocaleString(Locale.ENGLISH, compareId));
+
+        // Add some special locales
+        locales.add(Locale.TAIWAN);
+        set.add(getLocaleString(Locale.TAIWAN, compareId));
+        locale = new Locale("pt", "BR");
+        locales.add(locale);
+        set.add(getLocaleString(locale, compareId));
+
+        // Other locales
+        for (String s : MagiskManager.get().getAssets().getLocales()) {
+            locale = Locale.forLanguageTag(s);
+            if (set.add(getLocaleString(locale, compareId))) {
+                locales.add(locale);
+            }
+        }
+
+        Collections.sort(locales, (l1, l2) -> l1.getDisplayName(l1).compareTo(l2.getDisplayName(l2)));
+
+        return locales;
+    }
+
+    public static int dpInPx(int dp) {
+        Context context = MagiskManager.get();
+        float scale = context.getResources().getDisplayMetrics().density;
+        return (int) (dp * scale + 0.5);
+    }
+
+    public static String fmt(String fmt, Object... args) {
+        return String.format(Locale.US, fmt, args);
+    }
+
+    public static String dos2unix(String s) {
+        String newString = s.replace("\r\n", "\n");
+        if(!newString.endsWith("\n")) {
+            return newString + "\n";
+        } else {
+            return newString;
+        }
+    }
+}