sdk/sources/android-25/android/support/v7/widget/AppCompatMultiAutoCompleteTextView.java

   1 /*
   2  * Copyright (C) 2014 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
  17 package android.support.v7.widget;
  18
  19 import android.content.Context;
  20 import android.content.res.ColorStateList;
  21 import android.graphics.PorterDuff;
  22 import android.graphics.drawable.Drawable;
  23 import android.support.annotation.DrawableRes;
  24 import android.support.annotation.Nullable;
  25 import android.support.annotation.RestrictTo;
  26 import android.support.v4.view.TintableBackgroundView;
  27 import android.support.v7.appcompat.R;
  28 import android.support.v7.content.res.AppCompatResources;
  29 import android.util.AttributeSet;
  30 import android.widget.MultiAutoCompleteTextView;
  31
  32 import static android.support.annotation.RestrictTo.Scope.GROUP_ID;
  33
  34 /**
  35  * A {@link MultiAutoCompleteTextView} which supports compatible features on older version of the
  36  * platform, including:
  37  * <ul>
  38  *     <li>Supports {@link R.attr#textAllCaps} style attribute which works back to
  39  *     {@link android.os.Build.VERSION_CODES#GINGERBREAD Gingerbread}.</li>
  40  *     <li>Allows dynamic tint of it background via the background tint methods in
  41  *     {@link android.support.v4.view.ViewCompat}.</li>
  42  *     <li>Allows setting of the background tint using {@link R.attr#backgroundTint} and
  43  *     {@link R.attr#backgroundTintMode}.</li>
  44  * </ul>
  45  *
  46  * <p>This will automatically be used when you use {@link MultiAutoCompleteTextView} in your layouts.
  47  * You should only need to manually use this class when writing custom views.</p>
  48  */
  49 public class AppCompatMultiAutoCompleteTextView extends MultiAutoCompleteTextView
  50         implements TintableBackgroundView {
  51
  52     private static final int[] TINT_ATTRS = {
  53             android.R.attr.popupBackground
  54     };
  55
  56     private AppCompatBackgroundHelper mBackgroundTintHelper;
  57     private AppCompatTextHelper mTextHelper;
  58
  59     public AppCompatMultiAutoCompleteTextView(Context context) {
  60         this(context, null);
  61     }
  62
  63     public AppCompatMultiAutoCompleteTextView(Context context, AttributeSet attrs) {
  64         this(context, attrs, R.attr.autoCompleteTextViewStyle);
  65     }
  66
  67     public AppCompatMultiAutoCompleteTextView(Context context, AttributeSet attrs, int defStyleAttr) {
  68         super(TintContextWrapper.wrap(context), attrs, defStyleAttr);
  69
  70         TintTypedArray a = TintTypedArray.obtainStyledAttributes(getContext(), attrs,
  71                 TINT_ATTRS, defStyleAttr, 0);
  72         if (a.hasValue(0)) {
  73             setDropDownBackgroundDrawable(a.getDrawable(0));
  74         }
  75         a.recycle();
  76
  77         mBackgroundTintHelper = new AppCompatBackgroundHelper(this);
  78         mBackgroundTintHelper.loadFromAttributes(attrs, defStyleAttr);
  79
  80         mTextHelper = AppCompatTextHelper.create(this);
  81         mTextHelper.loadFromAttributes(attrs, defStyleAttr);
  82         mTextHelper.applyCompoundDrawablesTints();
  83     }
  84
  85     @Override
  86     public void setDropDownBackgroundResource(@DrawableRes int resId) {
  87         setDropDownBackgroundDrawable(AppCompatResources.getDrawable(getContext(), resId));
  88     }
  89
  90     @Override
  91     public void setBackgroundResource(@DrawableRes int resId) {
  92         super.setBackgroundResource(resId);
  93         if (mBackgroundTintHelper != null) {
  94             mBackgroundTintHelper.onSetBackgroundResource(resId);
  95         }
  96     }
  97
  98     @Override
  99     public void setBackgroundDrawable(Drawable background) {
 100         super.setBackgroundDrawable(background);
 101         if (mBackgroundTintHelper != null) {
 102             mBackgroundTintHelper.onSetBackgroundDrawable(background);
 103         }
 104     }
 105
 106     /**
 107      * This should be accessed via
 108      * {@link android.support.v4.view.ViewCompat#setBackgroundTintList(android.view.View, ColorStateList)}
 109      *
 110      * @hide
 111      */
 112     @RestrictTo(GROUP_ID)
 113     @Override
 114     public void setSupportBackgroundTintList(@Nullable ColorStateList tint) {
 115         if (mBackgroundTintHelper != null) {
 116             mBackgroundTintHelper.setSupportBackgroundTintList(tint);
 117         }
 118     }
 119
 120     /**
 121      * This should be accessed via
 122      * {@link android.support.v4.view.ViewCompat#getBackgroundTintList(android.view.View)}
 123      *
 124      * @hide
 125      */
 126     @RestrictTo(GROUP_ID)
 127     @Override
 128     @Nullable
 129     public ColorStateList getSupportBackgroundTintList() {
 130         return mBackgroundTintHelper != null
 131                 ? mBackgroundTintHelper.getSupportBackgroundTintList() : null;
 132     }
 133
 134     /**
 135      * This should be accessed via
 136      * {@link android.support.v4.view.ViewCompat#setBackgroundTintMode(android.view.View, PorterDuff.Mode)}
 137      *
 138      * @hide
 139      */
 140     @RestrictTo(GROUP_ID)
 141     @Override
 142     public void setSupportBackgroundTintMode(@Nullable PorterDuff.Mode tintMode) {
 143         if (mBackgroundTintHelper != null) {
 144             mBackgroundTintHelper.setSupportBackgroundTintMode(tintMode);
 145         }
 146     }
 147
 148     /**
 149      * This should be accessed via
 150      * {@link android.support.v4.view.ViewCompat#getBackgroundTintMode(android.view.View)}
 151      *
 152      * @hide
 153      */
 154     @RestrictTo(GROUP_ID)
 155     @Override
 156     @Nullable
 157     public PorterDuff.Mode getSupportBackgroundTintMode() {
 158         return mBackgroundTintHelper != null
 159                 ? mBackgroundTintHelper.getSupportBackgroundTintMode() : null;
 160     }
 161
 162     @Override
 163     protected void drawableStateChanged() {
 164         super.drawableStateChanged();
 165         if (mBackgroundTintHelper != null) {
 166             mBackgroundTintHelper.applySupportBackgroundTint();
 167         }
 168         if (mTextHelper != null) {
 169             mTextHelper.applyCompoundDrawablesTints();
 170         }
 171     }
 172
 173     @Override
 174     public void setTextAppearance(Context context, int resId) {
 175         super.setTextAppearance(context, resId);
 176         if (mTextHelper != null) {
 177             mTextHelper.onSetTextAppearance(context, resId);
 178         }
 179     }
 180 }