android: Convert GameProvider to Kotlin

master
Charles Lombardo 2023-03-08 15:38:33 +07:00 committed by bunnei
parent 4ce86a526c
commit 9e8ab499dc
2 changed files with 127 additions and 138 deletions

@ -1,138 +0,0 @@
package org.yuzu.yuzu_emu.model;
import android.content.ContentProvider;
import android.content.ContentValues;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import androidx.annotation.NonNull;
import org.yuzu.yuzu_emu.BuildConfig;
import org.yuzu.yuzu_emu.utils.Log;
/**
* Provides an interface allowing Activities to interact with the SQLite database.
* CRUD methods in this class can be called by Activities using getContentResolver().
*/
public final class GameProvider extends ContentProvider {
public static final String REFRESH_LIBRARY = "refresh";
public static final String RESET_LIBRARY = "reset";
public static final String AUTHORITY = "content://" + BuildConfig.APPLICATION_ID + ".provider";
public static final Uri URI_FOLDER =
Uri.parse(AUTHORITY + "/" + GameDatabase.TABLE_NAME_FOLDERS + "/");
public static final Uri URI_REFRESH = Uri.parse(AUTHORITY + "/" + REFRESH_LIBRARY + "/");
public static final Uri URI_RESET = Uri.parse(AUTHORITY + "/" + RESET_LIBRARY + "/");
public static final String MIME_TYPE_FOLDER = "vnd.android.cursor.item/vnd.dolphin.folder";
public static final String MIME_TYPE_GAME = "vnd.android.cursor.item/vnd.dolphin.game";
private GameDatabase mDbHelper;
@Override
public boolean onCreate() {
Log.info("[GameProvider] Creating Content Provider...");
mDbHelper = new GameDatabase(getContext());
return true;
}
@Override
public Cursor query(@NonNull Uri uri, String[] projection, String selection,
String[] selectionArgs, String sortOrder) {
Log.info("[GameProvider] Querying URI: " + uri);
SQLiteDatabase db = mDbHelper.getReadableDatabase();
String table = uri.getLastPathSegment();
if (table == null) {
Log.error("[GameProvider] Badly formatted URI: " + uri);
return null;
}
Cursor cursor = db.query(table, projection, selection, selectionArgs, null, null, sortOrder);
cursor.setNotificationUri(getContext().getContentResolver(), uri);
return cursor;
}
@Override
public String getType(@NonNull Uri uri) {
Log.verbose("[GameProvider] Getting MIME type for URI: " + uri);
String lastSegment = uri.getLastPathSegment();
if (lastSegment == null) {
Log.error("[GameProvider] Badly formatted URI: " + uri);
return null;
}
if (lastSegment.equals(GameDatabase.TABLE_NAME_FOLDERS)) {
return MIME_TYPE_FOLDER;
} else if (lastSegment.equals(GameDatabase.TABLE_NAME_GAMES)) {
return MIME_TYPE_GAME;
}
Log.error("[GameProvider] Unknown MIME type for URI: " + uri);
return null;
}
@Override
public Uri insert(@NonNull Uri uri, ContentValues values) {
Log.info("[GameProvider] Inserting row at URI: " + uri);
SQLiteDatabase database = mDbHelper.getWritableDatabase();
String table = uri.getLastPathSegment();
if (table != null) {
if (table.equals(RESET_LIBRARY)) {
mDbHelper.resetDatabase(database);
return uri;
}
if (table.equals(REFRESH_LIBRARY)) {
Log.info(
"[GameProvider] URI specified table REFRESH_LIBRARY. No insertion necessary; refreshing library contents...");
mDbHelper.scanLibrary(database);
return uri;
}
long id = database.insertWithOnConflict(table, null, values, SQLiteDatabase.CONFLICT_IGNORE);
// If insertion was successful...
if (id > 0) {
// If we just added a folder, add its contents to the game list.
if (table.equals(GameDatabase.TABLE_NAME_FOLDERS)) {
mDbHelper.scanLibrary(database);
}
// Notify the UI that its contents should be refreshed.
getContext().getContentResolver().notifyChange(uri, null);
uri = Uri.withAppendedPath(uri, Long.toString(id));
} else {
Log.error("[GameProvider] Row already exists: " + uri + " id: " + id);
}
} else {
Log.error("[GameProvider] Badly formatted URI: " + uri);
}
database.close();
return uri;
}
@Override
public int delete(@NonNull Uri uri, String selection, String[] selectionArgs) {
Log.error("[GameProvider] Delete operations unsupported. URI: " + uri);
return 0;
}
@Override
public int update(@NonNull Uri uri, ContentValues values, String selection,
String[] selectionArgs) {
Log.error("[GameProvider] Update operations unsupported. URI: " + uri);
return 0;
}
}

@ -0,0 +1,127 @@
package org.yuzu.yuzu_emu.model
import android.content.ContentProvider
import android.content.ContentValues
import android.database.Cursor
import android.database.sqlite.SQLiteDatabase
import android.net.Uri
import org.yuzu.yuzu_emu.BuildConfig
import org.yuzu.yuzu_emu.utils.Log
/**
* Provides an interface allowing Activities to interact with the SQLite database.
* CRUD methods in this class can be called by Activities using getContentResolver().
*/
class GameProvider : ContentProvider() {
private var mDbHelper: GameDatabase? = null
override fun onCreate(): Boolean {
Log.info("[GameProvider] Creating Content Provider...")
mDbHelper = GameDatabase(context!!)
return true
}
override fun query(
uri: Uri,
projection: Array<String>?,
selection: String?,
selectionArgs: Array<String>?,
sortOrder: String?
): Cursor? {
Log.info("[GameProvider] Querying URI: $uri")
val db = mDbHelper!!.readableDatabase
val table = uri.lastPathSegment
if (table == null) {
Log.error("[GameProvider] Badly formatted URI: $uri")
return null
}
val cursor = db.query(table, projection, selection, selectionArgs, null, null, sortOrder)
cursor.setNotificationUri(context!!.contentResolver, uri)
return cursor
}
override fun getType(uri: Uri): String? {
Log.verbose("[GameProvider] Getting MIME type for URI: $uri")
val lastSegment = uri.lastPathSegment
if (lastSegment == null) {
Log.error("[GameProvider] Badly formatted URI: $uri")
return null
}
if (lastSegment == GameDatabase.TABLE_NAME_FOLDERS) {
return MIME_TYPE_FOLDER
} else if (lastSegment == GameDatabase.TABLE_NAME_GAMES) {
return MIME_TYPE_GAME
}
Log.error("[GameProvider] Unknown MIME type for URI: $uri")
return null
}
override fun insert(uri: Uri, values: ContentValues?): Uri {
var realUri = uri
Log.info("[GameProvider] Inserting row at URI: $realUri")
val database = mDbHelper!!.writableDatabase
val table = realUri.lastPathSegment
if (table != null) {
if (table == RESET_LIBRARY) {
mDbHelper!!.resetDatabase(database)
return realUri
}
if (table == REFRESH_LIBRARY) {
Log.info(
"[GameProvider] URI specified table REFRESH_LIBRARY. No insertion necessary; refreshing library contents..."
)
mDbHelper!!.scanLibrary(database)
return realUri
}
val id =
database.insertWithOnConflict(table, null, values, SQLiteDatabase.CONFLICT_IGNORE)
// If insertion was successful...
if (id > 0) {
// If we just added a folder, add its contents to the game list.
if (table == GameDatabase.TABLE_NAME_FOLDERS) {
mDbHelper!!.scanLibrary(database)
}
// Notify the UI that its contents should be refreshed.
context!!.contentResolver.notifyChange(realUri, null)
realUri = Uri.withAppendedPath(realUri, id.toString())
} else {
Log.error("[GameProvider] Row already exists: $realUri id: $id")
}
} else {
Log.error("[GameProvider] Badly formatted URI: $realUri")
}
database.close()
return realUri
}
override fun delete(uri: Uri, selection: String?, selectionArgs: Array<String>?): Int {
Log.error("[GameProvider] Delete operations unsupported. URI: $uri")
return 0
}
override fun update(
uri: Uri, values: ContentValues?, selection: String?,
selectionArgs: Array<String>?
): Int {
Log.error("[GameProvider] Update operations unsupported. URI: $uri")
return 0
}
companion object {
const val REFRESH_LIBRARY = "refresh"
const val RESET_LIBRARY = "reset"
private const val AUTHORITY = "content://${BuildConfig.APPLICATION_ID}.provider"
@JvmField
val URI_FOLDER: Uri = Uri.parse("$AUTHORITY/${GameDatabase.TABLE_NAME_FOLDERS}/")
@JvmField
val URI_REFRESH: Uri = Uri.parse("$AUTHORITY/$REFRESH_LIBRARY/")
@JvmField
val URI_RESET: Uri = Uri.parse("$AUTHORITY/$RESET_LIBRARY/")
const val MIME_TYPE_FOLDER = "vnd.android.cursor.item/vnd.yuzu.folder"
const val MIME_TYPE_GAME = "vnd.android.cursor.item/vnd.yuzu.game"
}
}