1 /* 2 * Copyright (C) 2012 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.ide.eclipse.gltrace.state.transforms; 18 19 import com.android.ide.eclipse.gltrace.state.IGLProperty; 20 21 /** 22 * A {@link SparseArrayElementRemoveTransform} changes given state by removing an 23 * element from a sparse array. 24 */ 25 public class SparseArrayElementRemoveTransform implements IStateTransform { 26 private final SparseArrayElementAddTransform mAddTransform; 27 28 public SparseArrayElementRemoveTransform(IGLPropertyAccessor accessor, int key) { 29 mAddTransform = new SparseArrayElementAddTransform(accessor, key); 30 } 31 32 @Override 33 public void apply(IGLProperty currentState) { 34 // applying a RemoveTransform is the same as reverting an AddTransform. 35 mAddTransform.revert(currentState); 36 } 37 38 @Override 39 public void revert(IGLProperty currentState) { 40 // reverting a RemoveTransform is the same as applying an AddTransform. 41 mAddTransform.apply(currentState); 42 } 43 44 @Override 45 public IGLProperty getChangedProperty(IGLProperty currentState) { 46 return mAddTransform.getChangedProperty(currentState); 47 } 48 49 } 50
