| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.provider; |
| |
| import static android.provider.FontsContract.Columns; |
| |
| import android.content.ContentProvider; |
| import android.content.ContentUris; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.res.AssetManager; |
| import android.database.Cursor; |
| import android.database.MatrixCursor; |
| import android.net.Uri; |
| import android.os.ParcelFileDescriptor; |
| |
| import com.android.internal.annotations.GuardedBy; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.file.Files; |
| import java.nio.file.StandardCopyOption; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.locks.Condition; |
| import java.util.concurrent.locks.Lock; |
| import java.util.concurrent.locks.ReentrantLock; |
| |
| public class MockFontProvider extends ContentProvider { |
| final static String AUTHORITY = "android.provider.fonts.font"; |
| |
| private static final long BLOCKING_TIMEOUT_MS = 10000; // 10 sec |
| private static final Lock sLock = new ReentrantLock(); |
| private static final Condition sCond = sLock.newCondition(); |
| @GuardedBy("sLock") |
| private static boolean sSignaled; |
| |
| private static void blockUntilSignal() { |
| long remaining = TimeUnit.MILLISECONDS.toNanos(BLOCKING_TIMEOUT_MS); |
| sLock.lock(); |
| try { |
| sSignaled = false; |
| while (!sSignaled) { |
| try { |
| remaining = sCond.awaitNanos(remaining); |
| } catch (InterruptedException e) { |
| // do nothing. |
| } |
| if (sSignaled) { |
| return; |
| } |
| if (remaining <= 0) { |
| // Timed out |
| throw new RuntimeException("Timeout during waiting"); |
| } |
| } |
| } finally { |
| sLock.unlock(); |
| } |
| } |
| |
| public static void unblock() { |
| sLock.lock(); |
| try { |
| sSignaled = true; |
| sCond.signal(); |
| } finally { |
| sLock.unlock(); |
| } |
| } |
| |
| final static String[] FONT_FILES = { |
| "samplefont1.ttf", |
| }; |
| private static final int NO_FILE_ID = 255; |
| private static final int SAMPLE_FONT_FILE_0_ID = 0; |
| |
| static class Font { |
| public Font(int id, int fileId, int ttcIndex, String varSettings, int weight, int italic, |
| int resultCode) { |
| mId = id; |
| mFileId = fileId; |
| mTtcIndex = ttcIndex; |
| mVarSettings = varSettings; |
| mWeight = weight; |
| mItalic = italic; |
| mResultCode = resultCode; |
| } |
| |
| public int getId() { |
| return mId; |
| } |
| |
| public int getTtcIndex() { |
| return mTtcIndex; |
| } |
| |
| public String getVarSettings() { |
| return mVarSettings; |
| } |
| |
| public int getWeight() { |
| return mWeight; |
| } |
| |
| public int getItalic() { |
| return mItalic; |
| } |
| |
| public int getResultCode() { |
| return mResultCode; |
| } |
| |
| public int getFileId() { |
| return mFileId; |
| } |
| |
| private int mId; |
| private int mFileId; |
| private int mTtcIndex; |
| private String mVarSettings; |
| private int mWeight; |
| private int mItalic; |
| private int mResultCode; |
| }; |
| |
| public static final String BLOCKING_QUERY = "queryBlockingQuery"; |
| public static final String NULL_FD_QUERY = "nullFdQuery"; |
| |
| private static Map<String, Font[]> QUERY_MAP; |
| static { |
| HashMap<String, Font[]> map = new HashMap<>(); |
| int id = 0; |
| |
| map.put("singleFontFamily", new Font[] { |
| new Font(id++, SAMPLE_FONT_FILE_0_ID, 0, null, 400, 0, Columns.RESULT_CODE_OK), |
| }); |
| |
| map.put("singleFontFamily2", new Font[] { |
| new Font(id++, SAMPLE_FONT_FILE_0_ID, 0, null, 700, 0, Columns.RESULT_CODE_OK), |
| }); |
| |
| map.put(BLOCKING_QUERY, new Font[] { |
| new Font(id++, SAMPLE_FONT_FILE_0_ID, 0, null, 700, 0, Columns.RESULT_CODE_OK), |
| }); |
| |
| map.put(NULL_FD_QUERY, new Font[] { |
| new Font(id++, NO_FILE_ID, 0, null, 700, 0, Columns.RESULT_CODE_OK), |
| }); |
| |
| QUERY_MAP = Collections.unmodifiableMap(map); |
| } |
| |
| private static Cursor buildCursor(Font[] in) { |
| MatrixCursor cursor = new MatrixCursor(new String[] { |
| Columns._ID, Columns.TTC_INDEX, Columns.VARIATION_SETTINGS, Columns.WEIGHT, |
| Columns.ITALIC, Columns.RESULT_CODE, Columns.FILE_ID}); |
| for (Font font : in) { |
| MatrixCursor.RowBuilder builder = cursor.newRow(); |
| builder.add(Columns._ID, font.getId()); |
| builder.add(Columns.FILE_ID, font.getFileId()); |
| builder.add(Columns.TTC_INDEX, font.getTtcIndex()); |
| builder.add(Columns.VARIATION_SETTINGS, font.getVarSettings()); |
| builder.add(Columns.WEIGHT, font.getWeight()); |
| builder.add(Columns.ITALIC, font.getItalic()); |
| builder.add(Columns.RESULT_CODE, font.getResultCode()); |
| } |
| return cursor; |
| } |
| |
| public MockFontProvider() { |
| } |
| |
| public static void prepareFontFiles(Context context) { |
| final AssetManager mgr = context.getAssets(); |
| for (String file : FONT_FILES) { |
| try (InputStream is = mgr.open("fonts/" + file)) { |
| Files.copy(is, getCopiedFile(context, file).toPath(), |
| StandardCopyOption.REPLACE_EXISTING); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| |
| public static void cleanUpFontFiles(Context context) { |
| for (String file : FONT_FILES) { |
| getCopiedFile(context, file).delete(); |
| } |
| } |
| |
| public static File getCopiedFile(Context context, String path) { |
| return new File(context.getFilesDir(), path); |
| } |
| |
| @Override |
| public ParcelFileDescriptor openFile(Uri uri, String mode) { |
| final int id = (int)ContentUris.parseId(uri); |
| if (id == NO_FILE_ID) { |
| return null; |
| } |
| final File targetFile = getCopiedFile(getContext(), FONT_FILES[id]); |
| try { |
| return ParcelFileDescriptor.open(targetFile, ParcelFileDescriptor.MODE_READ_ONLY); |
| } catch (FileNotFoundException e) { |
| return null; |
| } |
| } |
| |
| @Override |
| public boolean onCreate() { |
| return true; |
| } |
| |
| @Override |
| public String getType(Uri uri) { |
| return "vnd.android.cursor.dir/vnd.android.provider.font"; |
| } |
| |
| @Override |
| public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, |
| String sortOrder) { |
| final String query = selectionArgs[0]; |
| if (query.equals(BLOCKING_QUERY)) { |
| blockUntilSignal(); |
| } |
| return buildCursor(QUERY_MAP.get(query)); |
| } |
| |
| @Override |
| public Uri insert(Uri uri, ContentValues values) { |
| throw new UnsupportedOperationException("insert is not supported."); |
| } |
| |
| @Override |
| public int delete(Uri uri, String selection, String[] selectionArgs) { |
| throw new UnsupportedOperationException("delete is not supported."); |
| } |
| |
| @Override |
| public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { |
| throw new UnsupportedOperationException("update is not supported."); |
| } |
| } |