1282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski/* 2282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Copyright (C) 2012 The Android Open Source Project 3282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 4282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Licensed under the Apache License, Version 2.0 (the "License"); 5282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * you may not use this file except in compliance with the License. 6282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * You may obtain a copy of the License at 7282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 8282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * http://www.apache.org/licenses/LICENSE-2.0 9282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 10282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Unless required by applicable law or agreed to in writing, software 11282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * distributed under the License is distributed on an "AS IS" BASIS, 12282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * See the License for the specific language governing permissions and 14282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * limitations under the License. 15282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski */ 16282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 17282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskipackage com.android.layoutlib.bridge.util; 18282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 19282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskiimport com.android.resources.ResourceType; 20282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskiimport com.android.util.Pair; 21282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 22476e582d2ffdf25102d4c55f8c242baa3d21d37fDeepanshu Guptaimport android.annotation.NonNull; 23282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskiimport android.util.SparseArray; 24282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 25282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskiimport java.util.HashMap; 26282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskiimport java.util.Map; 27282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 28282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskipublic class DynamicIdMap { 29282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 30618ca261f370c257723a3c7a5871bb6f6b4d7f3aDeepanshu Gupta private final Map<Pair<ResourceType, String>, Integer> mDynamicIds = new HashMap<>(); 31618ca261f370c257723a3c7a5871bb6f6b4d7f3aDeepanshu Gupta private final SparseArray<Pair<ResourceType, String>> mRevDynamicIds = new SparseArray<>(); 32282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski private int mDynamicSeed; 33282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 34282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski public DynamicIdMap(int seed) { 35282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski mDynamicSeed = seed; 36282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski } 37282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 38282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski public void reset(int seed) { 39282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski mDynamicIds.clear(); 40282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski mRevDynamicIds.clear(); 41282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski mDynamicSeed = seed; 42282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski } 43282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 44282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski /** 45282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Returns a dynamic integer for the given resource type/name, creating it if it doesn't 46282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * already exist. 47282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 48282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * @param type the type of the resource 49282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * @param name the name of the resource 50282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * @return an integer. 51282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski */ 529fa48b09ad06c39be0923d5ca64b81f6b0eee993Deepanshu Gupta @NonNull 53282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski public Integer getId(ResourceType type, String name) { 54282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski return getId(Pair.of(type, name)); 55282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski } 56282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 57282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski /** 58282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Returns a dynamic integer for the given resource type/name, creating it if it doesn't 59282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * already exist. 60282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 61282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * @param resource the type/name of the resource 62282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * @return an integer. 63282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski */ 649fa48b09ad06c39be0923d5ca64b81f6b0eee993Deepanshu Gupta @NonNull 65282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski public Integer getId(Pair<ResourceType, String> resource) { 66282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski Integer value = mDynamicIds.get(resource); 67282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski if (value == null) { 689fa48b09ad06c39be0923d5ca64b81f6b0eee993Deepanshu Gupta value = ++mDynamicSeed; 69282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski mDynamicIds.put(resource, value); 70282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski mRevDynamicIds.put(value, resource); 71282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski } 72282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 73282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski return value; 74282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski } 75282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 76282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski public Pair<ResourceType, String> resolveId(int id) { 77282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski return mRevDynamicIds.get(id); 78282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski } 79282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski} 80