CustoMIUIzer/app/src/main/java/name/mikanoshi/customiuizer/SharedPrefsProvider.java

package name.mikanoshi.customiuizer;

import android.content.ContentProvider;
import android.content.ContentValues;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.UriMatcher;
import android.content.res.AssetFileDescriptor;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.net.Uri;
import android.os.ParcelFileDescriptor;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import name.mikanoshi.customiuizer.utils.Helpers;

public class SharedPrefsProvider extends ContentProvider {

	public static final String AUTHORITY = "name.mikanoshi.customiuizer.provider.sharedprefs";
	private static final UriMatcher uriMatcher = new UriMatcher(UriMatcher.NO_MATCH);

	SharedPreferences prefs;

	static {
		uriMatcher.addURI(AUTHORITY, "string/*/", 0);
		uriMatcher.addURI(AUTHORITY, "string/*/*", 1);
		uriMatcher.addURI(AUTHORITY, "integer/*/*", 2);
		uriMatcher.addURI(AUTHORITY, "boolean/*/*", 3);
		uriMatcher.addURI(AUTHORITY, "stringset/*", 4);
		uriMatcher.addURI(AUTHORITY, "test/*", 5);
		uriMatcher.addURI(AUTHORITY, "shortcut_icon/*", 6);
	}

	@Override
	public boolean onCreate() {
		try {
			prefs = Helpers.getSharedPrefs(getContext(), true);
			return true;
		} catch (Throwable throwable) {
			return false;
		}
	}

	@Override
	public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
		List<String> parts = uri.getPathSegments();
		//Log.e("parts", String.valueOf(parts));
		MatrixCursor cursor = new MatrixCursor(new String[]{"data"});

		switch (uriMatcher.match(uri)) {
			case 0: {
				cursor.newRow().add("data", prefs.getString(parts.get(1), ""));
				return cursor;
			}
			case 1: {
				cursor.newRow().add("data", prefs.getString(parts.get(1), parts.get(2)));
				return cursor;
			}
			case 2: {
				cursor.newRow().add("data", prefs.getInt(parts.get(1), Integer.parseInt(parts.get(2))));
				return cursor;
			}
			case 3: {
				cursor.newRow().add("data", prefs.getBoolean(parts.get(1), Integer.parseInt(parts.get(2)) == 1) ? 1 : 0);
				return cursor;
			}
			case 4: {
				Set<String> strings = prefs.getStringSet(parts.get(1), new LinkedHashSet<String>());
				if (strings != null)
				for (String str: strings) cursor.newRow().add("data", str);
				return cursor;
			}
		}
		return null;
	}

	@Override
	public AssetFileDescriptor openAssetFile(Uri uri, String mode) throws FileNotFoundException {
		if (getContext() == null) return null;

		List<String> parts = uri.getPathSegments();
		if (uriMatcher.match(uri) == 5) {
			String filename = null;
			if ("0".equals(parts.get(1))) filename = "test0.png";
			else if ("1".equals(parts.get(1))) filename = "test1.mp3";
			else if ("2".equals(parts.get(1))) filename = "test2.mp4";
			else if ("3".equals(parts.get(1)) || "5".equals(parts.get(1))) filename = "test3.txt";
			else if ("4".equals(parts.get(1))) filename = "test4.zip";

			AssetFileDescriptor afd = null;
			if (filename != null) try {
				afd = getContext().getAssets().openFd(filename);
			} catch (Throwable t) {
				t.printStackTrace();
			}
			return afd;
		} else if (uriMatcher.match(uri) == 6) {
			Context context = Helpers.getProtectedContext(getContext());
			File file = new File(context.getFilesDir() + "/shortcuts/" + parts.get(1) + "_shortcut.png");
			if (!file.exists()) return null;
			return new AssetFileDescriptor(ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY), 0, AssetFileDescriptor.UNKNOWN_LENGTH);
		}

		return null;
	}

	@Override
	public String getType(Uri uri) {
		return null;
	}

	@Override
	public Uri insert(Uri uri, ContentValues values) {
		return null;
	}

	@Override
	public int delete(Uri uri, String selection, String[] selectionArgs) {
		return 0;
	}

	@Override
	public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
		return 0;
	}

}