| /* |
| * 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.tool.expr; |
| |
| import android.databinding.InverseBindingListener; |
| import android.databinding.tool.InverseBinding; |
| import android.databinding.tool.reflection.ModelAnalyzer; |
| import android.databinding.tool.reflection.ModelClass; |
| import android.databinding.tool.writer.KCode; |
| import android.databinding.tool.writer.LayoutBinderWriterKt; |
| |
| import java.util.List; |
| |
| /** |
| * TwoWayListenerExpr is used to set the event listener for a two-way binding expression. |
| */ |
| public class TwoWayListenerExpr extends Expr { |
| final InverseBinding mInverseBinding; |
| |
| public TwoWayListenerExpr(InverseBinding inverseBinding) { |
| mInverseBinding = inverseBinding; |
| } |
| |
| @Override |
| protected ModelClass resolveType(ModelAnalyzer modelAnalyzer) { |
| return modelAnalyzer.findClass(InverseBindingListener.class); |
| } |
| |
| @Override |
| protected List<Dependency> constructDependencies() { |
| return constructDynamicChildrenDependencies(); |
| } |
| |
| @Override |
| protected KCode generateCode(boolean expand) { |
| final String fieldName = LayoutBinderWriterKt.getFieldName(mInverseBinding); |
| return new KCode(fieldName); |
| } |
| |
| @Override |
| protected String computeUniqueKey() { |
| return "event(" + mInverseBinding.getEventAttribute() + ", " + |
| System.identityHashCode(mInverseBinding) + ")"; |
| } |
| |
| @Override |
| public String getInvertibleError() { |
| return "Inverted expressions are already inverted!"; |
| } |
| } |