1 /* 2 * Copyright (C) 2017 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.documentsui.base; 17 18 import android.annotation.BoolRes; 19 import android.content.Context; 20 import android.content.res.Resources; 21 import android.os.UserManager; 22 import android.util.SparseBooleanArray; 23 24 import com.android.documentsui.R; 25 26 /** 27 * Provides access to feature flags configured in config.xml. 28 */ 29 public interface Features { 30 31 // technically we want to check >= O, but we'd need to patch back the O version code :| 32 public static final boolean OMC_RUNTIME = 33 android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.N_MR1; 34 isArchiveCreationEnabled()35 boolean isArchiveCreationEnabled(); isCommandInterceptorEnabled()36 boolean isCommandInterceptorEnabled(); isContentPagingEnabled()37 boolean isContentPagingEnabled(); isContentRefreshEnabled()38 boolean isContentRefreshEnabled(); isDebugSupportEnabled()39 boolean isDebugSupportEnabled(); isFoldersInSearchResultsEnabled()40 boolean isFoldersInSearchResultsEnabled(); isGestureScaleEnabled()41 boolean isGestureScaleEnabled(); isLaunchToDocumentEnabled()42 boolean isLaunchToDocumentEnabled(); isNotificationChannelEnabled()43 boolean isNotificationChannelEnabled(); isRemoteActionsEnabled()44 boolean isRemoteActionsEnabled(); isSystemKeyboardNavigationEnabled()45 boolean isSystemKeyboardNavigationEnabled(); isVirtualFilesSharingEnabled()46 boolean isVirtualFilesSharingEnabled(); 47 48 /** 49 * Call this to force-enable any particular feature known by this instance. 50 * Note that all feature may not support being enabled at runtime as 51 * they may depend on runtime initialization guarded by feature check. 52 * 53 * <p>Feature changes will be persisted across activities, but not app restarts. 54 * 55 * @param feature int reference to a boolean feature resource. 56 */ forceFeature(@oolRes int feature, boolean enabled)57 void forceFeature(@BoolRes int feature, boolean enabled); 58 create(Context context)59 public static Features create(Context context) { 60 return new RuntimeFeatures(context.getResources(), UserManager.get(context)); 61 } 62 63 final class RuntimeFeatures implements Features { 64 65 private final SparseBooleanArray mDebugEnabled = new SparseBooleanArray(); 66 67 private final Resources mRes; 68 private final UserManager mUserMgr; 69 RuntimeFeatures(Resources resources, UserManager userMgr)70 public RuntimeFeatures(Resources resources, UserManager userMgr) { 71 mRes = resources; 72 mUserMgr = userMgr; 73 } 74 75 @Override forceFeature(@oolRes int feature, boolean enabled)76 public void forceFeature(@BoolRes int feature, boolean enabled) { 77 mDebugEnabled.put(feature, enabled); 78 } 79 isEnabled(@oolRes int feature)80 private boolean isEnabled(@BoolRes int feature) { 81 return mDebugEnabled.get(feature, mRes.getBoolean(feature)); 82 } 83 84 @Override isArchiveCreationEnabled()85 public boolean isArchiveCreationEnabled() { 86 return isEnabled(R.bool.feature_archive_creation); 87 } 88 89 @Override isCommandInterceptorEnabled()90 public boolean isCommandInterceptorEnabled() { 91 return !mUserMgr.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES) 92 && isEnabled(R.bool.feature_command_interceptor); 93 } 94 95 @Override isContentPagingEnabled()96 public boolean isContentPagingEnabled() { 97 return isEnabled(R.bool.feature_content_paging); 98 } 99 100 @Override isContentRefreshEnabled()101 public boolean isContentRefreshEnabled() { 102 return isEnabled(R.bool.feature_content_refresh); 103 } 104 105 @Override isDebugSupportEnabled()106 public boolean isDebugSupportEnabled() { 107 return !mUserMgr.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES) 108 && !mUserMgr.hasUserRestriction(UserManager.DISALLOW_FUN); 109 } 110 111 @Override isFoldersInSearchResultsEnabled()112 public boolean isFoldersInSearchResultsEnabled() { 113 return isEnabled(R.bool.feature_folders_in_search_results); 114 } 115 116 @Override isGestureScaleEnabled()117 public boolean isGestureScaleEnabled() { 118 return isEnabled(R.bool.feature_gesture_scale); 119 } 120 121 @Override isLaunchToDocumentEnabled()122 public boolean isLaunchToDocumentEnabled() { 123 return isEnabled(R.bool.feature_launch_to_document); 124 } 125 126 @Override isNotificationChannelEnabled()127 public boolean isNotificationChannelEnabled() { 128 return isEnabled(R.bool.feature_notification_channel); 129 } 130 131 @Override isRemoteActionsEnabled()132 public boolean isRemoteActionsEnabled() { 133 return isEnabled(R.bool.feature_remote_actions); 134 } 135 136 @Override isSystemKeyboardNavigationEnabled()137 public boolean isSystemKeyboardNavigationEnabled() { 138 return isEnabled(R.bool.feature_system_keyboard_navigation); 139 } 140 141 @Override isVirtualFilesSharingEnabled()142 public boolean isVirtualFilesSharingEnabled() { 143 return isEnabled(R.bool.feature_virtual_files_sharing); 144 } 145 } 146 } 147