| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed 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 android.databinding.adapters; |
| |
| import android.animation.LayoutTransition; |
| import android.annotation.TargetApi; |
| import android.databinding.BindingAdapter; |
| import android.databinding.BindingMethod; |
| import android.databinding.BindingMethods; |
| import android.os.Build; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.ViewGroup.OnHierarchyChangeListener; |
| import android.view.animation.Animation; |
| import android.view.animation.Animation.AnimationListener; |
| |
| @BindingMethods({ |
| @BindingMethod(type = android.view.ViewGroup.class, attribute = "android:alwaysDrawnWithCache", method = "setAlwaysDrawnWithCacheEnabled"), |
| @BindingMethod(type = android.view.ViewGroup.class, attribute = "android:animationCache", method = "setAnimationCacheEnabled"), |
| @BindingMethod(type = android.view.ViewGroup.class, attribute = "android:splitMotionEvents", method = "setMotionEventSplittingEnabled"), |
| }) |
| public class ViewGroupBindingAdapter { |
| |
| @TargetApi(Build.VERSION_CODES.HONEYCOMB) |
| @BindingAdapter({"android:animateLayoutChanges"}) |
| public static void setAnimateLayoutChanges(ViewGroup view, boolean animate) { |
| if (animate) { |
| view.setLayoutTransition(new LayoutTransition()); |
| } else { |
| view.setLayoutTransition(null); |
| } |
| } |
| |
| @BindingAdapter(value = {"android:onChildViewAdded", "android:onChildViewRemoved"}, |
| requireAll = false) |
| public static void setListener(ViewGroup view, final OnChildViewAdded added, |
| final OnChildViewRemoved removed) { |
| if (added == null && removed == null) { |
| view.setOnHierarchyChangeListener(null); |
| } else { |
| view.setOnHierarchyChangeListener(new OnHierarchyChangeListener() { |
| @Override |
| public void onChildViewAdded(View parent, View child) { |
| if (added != null) { |
| added.onChildViewAdded(parent, child); |
| } |
| } |
| |
| @Override |
| public void onChildViewRemoved(View parent, View child) { |
| if (removed != null) { |
| removed.onChildViewRemoved(parent, child); |
| } |
| } |
| }); |
| } |
| } |
| |
| @BindingAdapter(value = {"android:onAnimationStart", "android:onAnimationEnd", |
| "android:onAnimationRepeat"}, requireAll = false) |
| public static void setListener(ViewGroup view, final OnAnimationStart start, |
| final OnAnimationEnd end, final OnAnimationRepeat repeat) { |
| if (start == null && end == null && repeat == null) { |
| view.setLayoutAnimationListener(null); |
| } else { |
| view.setLayoutAnimationListener(new AnimationListener() { |
| @Override |
| public void onAnimationStart(Animation animation) { |
| if (start != null) { |
| start.onAnimationStart(animation); |
| } |
| } |
| |
| @Override |
| public void onAnimationEnd(Animation animation) { |
| if (end != null) { |
| end.onAnimationEnd(animation); |
| } |
| } |
| |
| @Override |
| public void onAnimationRepeat(Animation animation) { |
| if (repeat != null) { |
| repeat.onAnimationRepeat(animation); |
| } |
| } |
| }); |
| } |
| } |
| |
| public interface OnChildViewAdded { |
| void onChildViewAdded(View parent, View child); |
| } |
| |
| public interface OnChildViewRemoved { |
| void onChildViewRemoved(View parent, View child); |
| } |
| |
| public interface OnAnimationStart { |
| void onAnimationStart(Animation animation); |
| } |
| |
| public interface OnAnimationEnd { |
| void onAnimationEnd(Animation animation); |
| } |
| |
| public interface OnAnimationRepeat { |
| void onAnimationRepeat(Animation animation); |
| } |
| } |