| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.ui.core.semantics |
| |
| /** |
| * Provides hint values which override the default hints on supported |
| * platforms. |
| * |
| * On iOS, these values are always ignored. |
| */ |
| // @immutable |
| data class SemanticsHintOverrides( |
| /** |
| * The hint text for a tap action. |
| * |
| * If null, the standard hint is used instead. |
| * |
| * The hint should describe what happens when a tap occurs, not the |
| * manner in which a tap is accomplished. |
| * |
| * Bad: 'Double tap to show movies'. |
| * Good: 'show movies'. |
| */ |
| val onTapHint: String?, |
| /** |
| * The hint text for a long press action. |
| * |
| * If null, the standard hint is used instead. |
| * |
| * The hint should describe what happens when a long press occurs, not |
| * the manner in which the long press is accomplished. |
| * |
| * Bad: 'Double tap and hold to show tooltip'. |
| * Good: 'show tooltip'. |
| */ |
| val onLongPressHint: String? |
| ) { |
| |
| // TODO: b/150777826 - fix and re-enable assertion |
| /* |
| init { |
| check(onTapHint != "") |
| check(onLongPressHint != "") |
| } |
| */ |
| |
| /** Whether there are any non-null hint values. */ |
| val isNotEmpty |
| get() = onTapHint != null || onLongPressHint != null |
| } |