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.library.util; 18 19 import android.app.slice.SliceManager; 20 import android.content.ContentProviderClient; 21 import android.content.Context; 22 import android.net.Uri; 23 import android.util.Log; 24 25 import java.util.Collection; 26 27 /** Utility class for slice **/ 28 public final class SliceUtils { 29 private static final String TAG = "SliceUtils"; 30 31 public static final String PATH_SLICE_FRAGMENT = 32 "com.android.tv.twopanelsettings.slices.SliceFragment"; 33 34 /** 35 * Check if slice provider exists. 36 */ isSliceProviderValid(Context context, String uri)37 public static boolean isSliceProviderValid(Context context, String uri) { 38 if (uri == null) { 39 return false; 40 } 41 ContentProviderClient client = 42 context.getContentResolver().acquireContentProviderClient(Uri.parse(uri)); 43 if (client != null) { 44 client.close(); 45 return true; 46 } else { 47 return false; 48 } 49 } 50 51 /** 52 * Checks if the slice is enabled 53 * 54 * @param context Current context of the app 55 * @param uri Settings slice uri 56 * @param topLevelSettingsSliceUri Top level settings slice uri, if null, use provided uri to 57 * deduce top level settings slice uri. 58 * @return returns true if slice is enabled, false otherwise 59 */ isSettingsSliceEnabled(Context context, String uri, String topLevelSettingsSliceUri)60 public static boolean isSettingsSliceEnabled(Context context, String uri, 61 String topLevelSettingsSliceUri) { 62 if (uri == null) { 63 return false; 64 } 65 final SliceManager sliceManager = context.getSystemService(SliceManager.class); 66 if (sliceManager == null) { 67 return false; 68 } 69 try { 70 Uri topLevelSettingsSlice = topLevelSettingsSliceUri == null 71 ? Uri.parse(uri).buildUpon().path("/").build() 72 : Uri.parse(ResourcesUtil.getString(context, topLevelSettingsSliceUri)); 73 final Collection<Uri> enabledSlicesUri = sliceManager 74 .getSliceDescendants(topLevelSettingsSlice); 75 if (enabledSlicesUri != null) { 76 for (final Uri sliceUri : enabledSlicesUri) { 77 Log.i(TAG, "Enabled slice: " + sliceUri); 78 if (sliceUri.toString().equals(uri)) { 79 return true; 80 } 81 } 82 } 83 } catch (NullPointerException nullPointerException) { 84 Log.e(TAG, "Unable to get slice descendants", nullPointerException); 85 } 86 return false; 87 } 88 } 89