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      1 /*
      2  * Copyright (C) 2016 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 package com.android.systemui.qs.external;
     17 
     18 import android.content.Context;
     19 import android.content.res.ColorStateList;
     20 import android.service.quicksettings.Tile;
     21 import android.support.annotation.VisibleForTesting;
     22 import com.android.systemui.R;
     23 
     24 public class TileColorPicker {
     25     @VisibleForTesting static final int[] DISABLE_STATE_SET = {-android.R.attr.state_enabled};
     26     @VisibleForTesting static final int[] ENABLE_STATE_SET = {android.R.attr.state_enabled,
     27             android.R.attr.state_activated};
     28     @VisibleForTesting static final int[] INACTIVE_STATE_SET = {-android.R.attr.state_activated};
     29     private static TileColorPicker sInstance;
     30 
     31     private ColorStateList mColorStateList;
     32 
     33     private TileColorPicker(Context context) {
     34         mColorStateList = context.getResources().
     35                 getColorStateList(R.color.tint_color_selector, context.getTheme());
     36     }
     37 
     38     public static TileColorPicker getInstance(Context context) {
     39         if (sInstance == null) {
     40             sInstance = new TileColorPicker(context);
     41         }
     42         return sInstance;
     43     }
     44 
     45     public int getColor(int state) {
     46         final int defaultColor = 0;
     47 
     48         switch (state) {
     49             case Tile.STATE_UNAVAILABLE:
     50                 return mColorStateList.getColorForState(DISABLE_STATE_SET, defaultColor);
     51             case Tile.STATE_INACTIVE:
     52                 return mColorStateList.getColorForState(INACTIVE_STATE_SET, defaultColor);
     53             case Tile.STATE_ACTIVE:
     54                 return mColorStateList.getColorForState(ENABLE_STATE_SET, defaultColor);
     55             default:
     56                 return mColorStateList.getColorForState(ENABLE_STATE_SET, defaultColor);
     57         }
     58     }
     59 
     60 }
     61