1/* 2 * Copyright (C) 2008 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 17package com.android.layoutlib.bridge; 18 19import android.content.Context; 20import android.util.AttributeSet; 21import android.view.Gravity; 22import android.view.View; 23import android.view.ViewGroup; 24import android.widget.FrameLayout; 25import android.widget.TextView; 26 27/** 28 * Base class for mocked views. 29 * <p/> 30 * FrameLayout with a single TextView. Doesn't allow adding any other views to itself. 31 */ 32public class MockView extends FrameLayout { 33 34 private final TextView mView; 35 36 public MockView(Context context) { 37 this(context, null); 38 } 39 40 public MockView(Context context, AttributeSet attrs) { 41 this(context, attrs, 0); 42 } 43 44 public MockView(Context context, AttributeSet attrs, int defStyleAttr) { 45 this(context, attrs, defStyleAttr, 0); 46 } 47 48 public MockView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 49 super(context, attrs, defStyleAttr, defStyleRes); 50 mView = new TextView(context, attrs); 51 mView.setTextColor(0xFF000000); 52 setGravity(Gravity.CENTER); 53 setText(getClass().getSimpleName()); 54 addView(mView); 55 setBackgroundColor(0xFF7F7F7F); 56 } 57 58 // Only allow adding one TextView. 59 @Override 60 public void addView(View child) { 61 if (child == mView) { 62 super.addView(child); 63 } 64 } 65 66 @Override 67 public void addView(View child, int index) { 68 if (child == mView) { 69 super.addView(child, index); 70 } 71 } 72 73 @Override 74 public void addView(View child, int width, int height) { 75 if (child == mView) { 76 super.addView(child, width, height); 77 } 78 } 79 80 @Override 81 public void addView(View child, ViewGroup.LayoutParams params) { 82 if (child == mView) { 83 super.addView(child, params); 84 } 85 } 86 87 @Override 88 public void addView(View child, int index, ViewGroup.LayoutParams params) { 89 if (child == mView) { 90 super.addView(child, index, params); 91 } 92 } 93 94 // The following methods are called by the IDE via reflection, and should be considered part 95 // of the API. 96 // Historically, MockView used to be a textView and had these methods. Now, we simply delegate 97 // them to the contained textView. 98 99 public void setText(CharSequence text) { 100 mView.setText(text); 101 } 102 103 @SuppressWarnings("WeakerAccess") // This method is used from Studio 104 public void setGravity(int gravity) { 105 mView.setGravity(gravity); 106 } 107} 108