1 /*
2  * Copyright (C) 2021 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.tv.settings.util;
18 
19 import android.app.slice.SliceManager;
20 import android.content.Context;
21 import android.content.pm.ProviderInfo;
22 import android.net.Uri;
23 import android.text.TextUtils;
24 import android.util.Log;
25 
26 import java.util.Collection;
27 
28 import kotlin.coroutines.Continuation;
29 
30 /** Utility class for slice **/
31 public final class SliceUtils {
32     private static final String TAG = "SliceUtils";
33 
34     public static final String PATH_SLICE_FRAGMENT =
35             "com.android.tv.twopanelsettings.slices.SliceFragment";
36 
37     /**
38      * Check if slice provider exists.
39      */
isSliceProviderValid(Context context, String stringUri)40     public static boolean isSliceProviderValid(Context context, String stringUri) {
41         if (TextUtils.isEmpty(stringUri)) {
42             return false;
43         }
44         Uri uri = Uri.parse(stringUri);
45         ProviderInfo providerInfo =
46                 context.getPackageManager()
47                         .resolveContentProvider(uri.getAuthority(), /* flags= */ 0);
48         if (providerInfo == null) {
49             Log.i(TAG, "Slice Provider not found for: " + stringUri);
50             return false;
51         }
52         return true;
53     }
54 
55     /**
56      * Checks if the slice is enabled
57      *
58      * @param context                  Current context of the app
59      * @param uri                      Settings slice uri
60      * @param topLevelSettingsSliceUri Top level settings slice uri, if null, use provided uri to
61      *                                 deduce top level settings slice uri.
62      * @return returns true if slice is enabled, false otherwise
63      * @deprecated use {@link SliceUtilsKt#isSettingsSliceEnabled} instead.
64      */
65     @Deprecated
isSettingsSliceEnabled(Context context, String uri, String topLevelSettingsSliceUri)66     public static boolean isSettingsSliceEnabled(Context context, String uri,
67             String topLevelSettingsSliceUri) {
68         if (uri == null) {
69             return false;
70         }
71         final SliceManager sliceManager = context.getSystemService(SliceManager.class);
72         if (sliceManager == null) {
73             return false;
74         }
75         try {
76             Uri topLevelSettingsSlice = topLevelSettingsSliceUri == null
77                     ? Uri.parse(uri).buildUpon().path("/").build()
78                     : Uri.parse(ResourcesUtil.getString(context, topLevelSettingsSliceUri));
79             final Collection<Uri> enabledSlicesUri = sliceManager
80                     .getSliceDescendants(topLevelSettingsSlice);
81             if (enabledSlicesUri != null) {
82                 for (final Uri sliceUri : enabledSlicesUri) {
83                     Log.i(TAG, "Enabled slice: " + sliceUri);
84                     if (sliceUri.toString().equals(uri)) {
85                         return true;
86                     }
87                 }
88             }
89         } catch (NullPointerException nullPointerException) {
90             Log.e(TAG, "Unable to get slice descendants", nullPointerException);
91         }
92         return false;
93     }
94 }
95