1 /*
2  * Copyright (C) 2009 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 com.android.launcher3.widget;
18 
19 import android.app.WallpaperColors;
20 import android.content.Context;
21 import android.util.SparseIntArray;
22 
23 import androidx.annotation.Nullable;
24 
25 import com.android.launcher3.R;
26 import com.android.launcher3.util.ResourceBasedOverride;
27 
28 /** Extracts the colors we need from the wallpaper at given locations. */
29 public class LocalColorExtractor implements ResourceBasedOverride {
30 
31     /**
32      * Creates a new instance of LocalColorExtractor
33      */
newInstance(Context context)34     public static LocalColorExtractor newInstance(Context context) {
35         return Overrides.getObject(LocalColorExtractor.class, context.getApplicationContext(),
36                 R.string.local_colors_extraction_class);
37     }
38 
39     /**
40      * Updates the base context to contain the colors override
41      */
applyColorsOverride(Context base, WallpaperColors colors)42     public void applyColorsOverride(Context base, WallpaperColors colors) { }
43 
44     /**
45      * Generates color resource overrides from {@link WallpaperColors}.
46      */
47     @Nullable
generateColorsOverride(WallpaperColors colors)48     public SparseIntArray generateColorsOverride(WallpaperColors colors) {
49         return null;
50     }
51 }
52