| /* |
| * Copyright 2014, 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 com.android.server.pm; |
| |
| import static com.android.server.pm.CrossProfileIntentFilter.FLAG_IS_PACKAGE_FOR_FILTER; |
| |
| import android.annotation.NonNull; |
| import android.content.IntentFilter; |
| |
| import com.android.server.utils.Snappable; |
| import com.android.server.utils.SnapshotCache; |
| |
| import java.util.List; |
| |
| /** |
| * Used to find a list of {@link CrossProfileIntentFilter}s that match an intent. |
| */ |
| class CrossProfileIntentResolver |
| extends WatchedIntentResolver<CrossProfileIntentFilter, CrossProfileIntentFilter> |
| implements Snappable { |
| @Override |
| protected CrossProfileIntentFilter[] newArray(int size) { |
| return new CrossProfileIntentFilter[size]; |
| } |
| |
| @Override |
| protected boolean isPackageForFilter(String packageName, CrossProfileIntentFilter filter) { |
| return (FLAG_IS_PACKAGE_FOR_FILTER & filter.mFlags) != 0; |
| } |
| |
| @Override |
| protected void sortResults(List<CrossProfileIntentFilter> results) { |
| //We don't sort the results |
| } |
| |
| @Override |
| protected IntentFilter getIntentFilter(@NonNull CrossProfileIntentFilter input) { |
| return input.getIntentFilter(); |
| } |
| |
| CrossProfileIntentResolver() { |
| mSnapshot = makeCache(); |
| } |
| |
| // Take the snapshot of F |
| protected CrossProfileIntentFilter snapshot(CrossProfileIntentFilter f) { |
| return (f == null) ? null : f.snapshot(); |
| } |
| |
| // Copy constructor used only to create a snapshot. |
| private CrossProfileIntentResolver(CrossProfileIntentResolver f) { |
| copyFrom(f); |
| mSnapshot = new SnapshotCache.Sealed(); |
| } |
| |
| // The cache for snapshots, so they are not rebuilt if the base object has not |
| // changed. |
| final SnapshotCache<CrossProfileIntentResolver> mSnapshot; |
| |
| private SnapshotCache makeCache() { |
| return new SnapshotCache<CrossProfileIntentResolver>(this, this) { |
| @Override |
| public CrossProfileIntentResolver createSnapshot() { |
| return new CrossProfileIntentResolver(mSource); |
| }}; |
| } |
| |
| /** |
| * Return a snapshot of the current object. The snapshot is a read-only copy suitable |
| * for read-only methods. |
| * @return A snapshot of the current object. |
| */ |
| public CrossProfileIntentResolver snapshot() { |
| return mSnapshot.snapshot(); |
| } |
| } |