Diego Perez | fc970ab6 | 2016-02-26 11:03:39 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.internal.util; |
| 18 | |
| 19 | import com.android.layoutlib.bridge.impl.DelegateManager; |
| 20 | import com.android.tools.layoutlib.annotations.LayoutlibDelegate; |
| 21 | |
| 22 | import android.util.LongSparseLongArray; |
| 23 | |
| 24 | /** |
| 25 | * Delegate used to provide new implementation the native methods of {@link VirtualRefBasePtr} |
| 26 | * |
| 27 | * Through the layoutlib_create tool, the original native methods of VirtualRefBasePtr have been |
| 28 | * replaced by calls to methods of the same name in this delegate class. |
| 29 | * |
| 30 | */ |
| 31 | @SuppressWarnings("unused") |
| 32 | public class VirtualRefBasePtr_Delegate { |
| 33 | private static final DelegateManager<Object> sManager = new DelegateManager<>(Object.class); |
| 34 | private static final LongSparseLongArray sRefCount = new LongSparseLongArray(); |
| 35 | |
| 36 | @LayoutlibDelegate |
| 37 | /*package*/ static synchronized void nIncStrong(long ptr) { |
| 38 | long counter = sRefCount.get(ptr); |
| 39 | sRefCount.put(ptr, ++counter); |
| 40 | } |
| 41 | |
| 42 | @LayoutlibDelegate |
| 43 | /*package*/ static synchronized void nDecStrong(long ptr) { |
| 44 | long counter = sRefCount.get(ptr); |
| 45 | |
| 46 | if (counter > 1) { |
| 47 | sRefCount.put(ptr, --counter); |
| 48 | } else { |
| 49 | sRefCount.delete(ptr); |
| 50 | sManager.removeJavaReferenceFor(ptr); |
| 51 | } |
| 52 | } |
| 53 | } |