| /* |
| * Copyright 2020 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.focus |
| |
| import androidx.compose.runtime.getValue |
| import androidx.compose.runtime.mutableStateOf |
| import androidx.compose.runtime.setValue |
| |
| @Suppress("DEPRECATION") |
| internal class FocusModifierImpl( |
| focusDetailedState: FocusDetailedState, |
| var focusNode: ModifiedFocusNode? = null |
| ) : FocusModifier { |
| |
| override var focusDetailedState: FocusDetailedState by mutableStateOf(focusDetailedState) |
| var focusedChild: ModifiedFocusNode? = null |
| |
| override fun requestFocus() { |
| val focusNode = focusNode |
| requireNotNull(focusNode) |
| focusNode.requestFocus() |
| } |
| |
| override fun captureFocus(): Boolean { |
| val focusNode = focusNode |
| requireNotNull(focusNode) |
| return focusNode.captureFocus() |
| } |
| |
| override fun freeFocus(): Boolean { |
| val focusNode = focusNode |
| requireNotNull(focusNode) |
| return focusNode.freeFocus() |
| } |
| } |