android: Convert GameProvider to Kotlin
This commit is contained in:
Charles Lombardo
bunnei
parent
4ce86a526c
commit
9e8ab499dc
2 changed files with 127 additions and 138 deletions
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package org.yuzu.yuzu_emu.model;
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import android.content.ContentProvider;
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import android.content.ContentValues;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.net.Uri;
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import androidx.annotation.NonNull;
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import org.yuzu.yuzu_emu.BuildConfig;
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import org.yuzu.yuzu_emu.utils.Log;
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/**
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* Provides an interface allowing Activities to interact with the SQLite database.
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* CRUD methods in this class can be called by Activities using getContentResolver().
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*/
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public final class GameProvider extends ContentProvider {
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public static final String REFRESH_LIBRARY = "refresh";
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public static final String RESET_LIBRARY = "reset";
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public static final String AUTHORITY = "content://" + BuildConfig.APPLICATION_ID + ".provider";
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public static final Uri URI_FOLDER =
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Uri.parse(AUTHORITY + "/" + GameDatabase.TABLE_NAME_FOLDERS + "/");
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public static final Uri URI_REFRESH = Uri.parse(AUTHORITY + "/" + REFRESH_LIBRARY + "/");
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public static final Uri URI_RESET = Uri.parse(AUTHORITY + "/" + RESET_LIBRARY + "/");
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public static final String MIME_TYPE_FOLDER = "vnd.android.cursor.item/vnd.dolphin.folder";
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public static final String MIME_TYPE_GAME = "vnd.android.cursor.item/vnd.dolphin.game";
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private GameDatabase mDbHelper;
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@Override
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public boolean onCreate() {
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Log.info("[GameProvider] Creating Content Provider...");
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mDbHelper = new GameDatabase(getContext());
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return true;
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}
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@Override
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public Cursor query(@NonNull Uri uri, String[] projection, String selection,
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String[] selectionArgs, String sortOrder) {
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Log.info("[GameProvider] Querying URI: " + uri);
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SQLiteDatabase db = mDbHelper.getReadableDatabase();
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String table = uri.getLastPathSegment();
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if (table == null) {
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Log.error("[GameProvider] Badly formatted URI: " + uri);
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return null;
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}
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Cursor cursor = db.query(table, projection, selection, selectionArgs, null, null, sortOrder);
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cursor.setNotificationUri(getContext().getContentResolver(), uri);
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return cursor;
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}
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@Override
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public String getType(@NonNull Uri uri) {
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Log.verbose("[GameProvider] Getting MIME type for URI: " + uri);
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String lastSegment = uri.getLastPathSegment();
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if (lastSegment == null) {
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Log.error("[GameProvider] Badly formatted URI: " + uri);
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return null;
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}
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if (lastSegment.equals(GameDatabase.TABLE_NAME_FOLDERS)) {
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return MIME_TYPE_FOLDER;
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} else if (lastSegment.equals(GameDatabase.TABLE_NAME_GAMES)) {
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return MIME_TYPE_GAME;
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}
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Log.error("[GameProvider] Unknown MIME type for URI: " + uri);
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return null;
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}
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@Override
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public Uri insert(@NonNull Uri uri, ContentValues values) {
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Log.info("[GameProvider] Inserting row at URI: " + uri);
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SQLiteDatabase database = mDbHelper.getWritableDatabase();
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String table = uri.getLastPathSegment();
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if (table != null) {
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if (table.equals(RESET_LIBRARY)) {
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mDbHelper.resetDatabase(database);
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return uri;
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}
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if (table.equals(REFRESH_LIBRARY)) {
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Log.info(
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"[GameProvider] URI specified table REFRESH_LIBRARY. No insertion necessary; refreshing library contents...");
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mDbHelper.scanLibrary(database);
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return uri;
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}
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long id = database.insertWithOnConflict(table, null, values, SQLiteDatabase.CONFLICT_IGNORE);
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// If insertion was successful...
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if (id > 0) {
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// If we just added a folder, add its contents to the game list.
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if (table.equals(GameDatabase.TABLE_NAME_FOLDERS)) {
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mDbHelper.scanLibrary(database);
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}
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// Notify the UI that its contents should be refreshed.
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getContext().getContentResolver().notifyChange(uri, null);
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uri = Uri.withAppendedPath(uri, Long.toString(id));
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} else {
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Log.error("[GameProvider] Row already exists: " + uri + " id: " + id);
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}
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} else {
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Log.error("[GameProvider] Badly formatted URI: " + uri);
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}
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database.close();
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return uri;
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}
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@Override
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public int delete(@NonNull Uri uri, String selection, String[] selectionArgs) {
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Log.error("[GameProvider] Delete operations unsupported. URI: " + uri);
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return 0;
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}
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@Override
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public int update(@NonNull Uri uri, ContentValues values, String selection,
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String[] selectionArgs) {
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Log.error("[GameProvider] Update operations unsupported. URI: " + uri);
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return 0;
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}
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}
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@ -0,0 +1,127 @@
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package org.yuzu.yuzu_emu.model
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import android.content.ContentProvider
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import android.content.ContentValues
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import android.database.Cursor
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import android.database.sqlite.SQLiteDatabase
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import android.net.Uri
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import org.yuzu.yuzu_emu.BuildConfig
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import org.yuzu.yuzu_emu.utils.Log
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/**
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* Provides an interface allowing Activities to interact with the SQLite database.
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* CRUD methods in this class can be called by Activities using getContentResolver().
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*/
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class GameProvider : ContentProvider() {
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private var mDbHelper: GameDatabase? = null
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override fun onCreate(): Boolean {
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Log.info("[GameProvider] Creating Content Provider...")
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mDbHelper = GameDatabase(context!!)
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return true
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}
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override fun query(
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uri: Uri,
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projection: Array<String>?,
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selection: String?,
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selectionArgs: Array<String>?,
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sortOrder: String?
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): Cursor? {
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Log.info("[GameProvider] Querying URI: $uri")
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val db = mDbHelper!!.readableDatabase
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val table = uri.lastPathSegment
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if (table == null) {
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Log.error("[GameProvider] Badly formatted URI: $uri")
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return null
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}
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val cursor = db.query(table, projection, selection, selectionArgs, null, null, sortOrder)
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cursor.setNotificationUri(context!!.contentResolver, uri)
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return cursor
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}
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override fun getType(uri: Uri): String? {
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Log.verbose("[GameProvider] Getting MIME type for URI: $uri")
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val lastSegment = uri.lastPathSegment
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if (lastSegment == null) {
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Log.error("[GameProvider] Badly formatted URI: $uri")
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return null
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}
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if (lastSegment == GameDatabase.TABLE_NAME_FOLDERS) {
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return MIME_TYPE_FOLDER
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} else if (lastSegment == GameDatabase.TABLE_NAME_GAMES) {
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return MIME_TYPE_GAME
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}
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Log.error("[GameProvider] Unknown MIME type for URI: $uri")
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return null
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}
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override fun insert(uri: Uri, values: ContentValues?): Uri {
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var realUri = uri
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Log.info("[GameProvider] Inserting row at URI: $realUri")
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val database = mDbHelper!!.writableDatabase
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val table = realUri.lastPathSegment
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if (table != null) {
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if (table == RESET_LIBRARY) {
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mDbHelper!!.resetDatabase(database)
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return realUri
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}
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if (table == REFRESH_LIBRARY) {
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Log.info(
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"[GameProvider] URI specified table REFRESH_LIBRARY. No insertion necessary; refreshing library contents..."
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)
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mDbHelper!!.scanLibrary(database)
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return realUri
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}
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val id =
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database.insertWithOnConflict(table, null, values, SQLiteDatabase.CONFLICT_IGNORE)
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// If insertion was successful...
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if (id > 0) {
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// If we just added a folder, add its contents to the game list.
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if (table == GameDatabase.TABLE_NAME_FOLDERS) {
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mDbHelper!!.scanLibrary(database)
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}
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// Notify the UI that its contents should be refreshed.
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context!!.contentResolver.notifyChange(realUri, null)
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realUri = Uri.withAppendedPath(realUri, id.toString())
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} else {
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Log.error("[GameProvider] Row already exists: $realUri id: $id")
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}
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} else {
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Log.error("[GameProvider] Badly formatted URI: $realUri")
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}
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database.close()
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return realUri
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}
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override fun delete(uri: Uri, selection: String?, selectionArgs: Array<String>?): Int {
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Log.error("[GameProvider] Delete operations unsupported. URI: $uri")
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return 0
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}
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override fun update(
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uri: Uri, values: ContentValues?, selection: String?,
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selectionArgs: Array<String>?
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): Int {
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Log.error("[GameProvider] Update operations unsupported. URI: $uri")
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return 0
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}
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companion object {
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const val REFRESH_LIBRARY = "refresh"
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const val RESET_LIBRARY = "reset"
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private const val AUTHORITY = "content://${BuildConfig.APPLICATION_ID}.provider"
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@JvmField
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val URI_FOLDER: Uri = Uri.parse("$AUTHORITY/${GameDatabase.TABLE_NAME_FOLDERS}/")
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@JvmField
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val URI_REFRESH: Uri = Uri.parse("$AUTHORITY/$REFRESH_LIBRARY/")
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@JvmField
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val URI_RESET: Uri = Uri.parse("$AUTHORITY/$RESET_LIBRARY/")
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const val MIME_TYPE_FOLDER = "vnd.android.cursor.item/vnd.yuzu.folder"
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const val MIME_TYPE_GAME = "vnd.android.cursor.item/vnd.yuzu.game"
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}
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}
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