| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.taobao.weex.ui.component.list.template; |
| |
| import android.support.v7.widget.RecyclerView; |
| |
| import com.taobao.weex.el.parse.ArrayStack; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Created by furture on 2018/1/24. |
| * render state for one cell, manage it's render state |
| */ |
| public class CellRenderState { |
| |
| /** |
| * dirty for current position, for example virtual component has update |
| * */ |
| boolean hasVirtualCompoentUpdate = false; |
| |
| /** |
| * has date update |
| * */ |
| boolean hasDataUpdate = false; |
| |
| /** |
| * position changed |
| * */ |
| boolean hasPositionChange = false; |
| |
| /** |
| * may use position, when position changed should be rendered |
| * */ |
| int position; |
| |
| /** |
| * unique itemId for current position, generate via key core |
| * */ |
| long itemId = RecyclerView.NO_ID; |
| |
| |
| |
| /** |
| * virtualCompoentId for cell, key is viewTreeKey, value is virutalComponentId. |
| * lazy init, |
| * */ |
| private Map<String, String> virtualComponentIds; |
| private Map<String, Object> virtualComponentDatas; |
| |
| |
| /** |
| * mark once statements has rendered |
| * */ |
| private Map<String,ArrayStack> onceComponentStates; |
| |
| |
| public Map<String, String> getVirtualComponentIds() { |
| if(virtualComponentIds == null){ |
| virtualComponentIds = new HashMap<>(8); |
| } |
| return virtualComponentIds; |
| } |
| |
| /** |
| * return current cell has virtual component |
| * */ |
| public boolean hasVirtualComponents(){ |
| return virtualComponentIds != null && virtualComponentIds.size() > 0; |
| } |
| |
| public Map<String, Object> getVirtualComponentDatas() { |
| if(virtualComponentDatas == null){ |
| virtualComponentDatas = new HashMap<>(4); |
| } |
| return virtualComponentDatas; |
| } |
| |
| public Map<String, ArrayStack> getOnceComponentStates() { |
| if(onceComponentStates == null){ |
| onceComponentStates = new HashMap<>(); |
| } |
| return onceComponentStates; |
| } |
| |
| public boolean isDirty() { |
| return hasDataUpdate |
| || hasVirtualCompoentUpdate |
| || hasPositionChange; |
| } |
| |
| public boolean isHasDataUpdate() { |
| return hasDataUpdate; |
| } |
| |
| |
| |
| public void resetDirty(){ |
| hasDataUpdate = false; |
| hasVirtualCompoentUpdate = false; |
| hasPositionChange = false; |
| } |
| |
| |
| } |