| /** |
| * 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 org.apache.weex.ui.animation; |
| |
| |
| import android.util.Property; |
| import android.view.View; |
| import android.view.ViewGroup.LayoutParams; |
| import org.apache.weex.ui.component.WXComponent; |
| import org.apache.weex.ui.view.IRenderResult; |
| |
| /** |
| * android.util.IntProperty<T> cannot be applied here, as it is only added at API 24. |
| */ |
| abstract class LayoutParamsProperty extends Property<View, Integer> { |
| |
| LayoutParamsProperty() { |
| super(Integer.class, "layoutParams"); |
| } |
| |
| @Override |
| public Integer get(View object) { |
| LayoutParams layoutParams; |
| if (object != null && (layoutParams = object.getLayoutParams()) != null) { |
| return getProperty(layoutParams); |
| } |
| return 0; |
| } |
| |
| @Override |
| public void set(View object, Integer value) { |
| LayoutParams layoutParams; |
| if (object != null && (layoutParams = object.getLayoutParams()) != null) { |
| setProperty(layoutParams, value); |
| if (object instanceof IRenderResult) { |
| WXComponent component = ((IRenderResult) object).getComponent(); |
| if (component != null) { |
| component.notifyNativeSizeChanged(layoutParams.width, layoutParams.height); |
| } |
| } |
| object.requestLayout(); |
| } |
| } |
| |
| protected abstract Integer getProperty(LayoutParams layoutParams); |
| |
| protected abstract void setProperty(LayoutParams layoutParams, Integer expected); |
| } |