| /* |
| * Copyright (C) 2017 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 com.android.systemui.doze; |
| |
| import android.support.annotation.VisibleForTesting; |
| import android.view.Display; |
| |
| import com.android.systemui.statusbar.phone.DozeParameters; |
| |
| /** |
| * Prevents usage of doze screen states on devices that don't support them. |
| */ |
| public class DozeScreenStatePreventingAdapter extends DozeMachine.Service.Delegate { |
| |
| @VisibleForTesting |
| DozeScreenStatePreventingAdapter(DozeMachine.Service inner) { |
| super(inner); |
| } |
| |
| @Override |
| public void setDozeScreenState(int state) { |
| if (state == Display.STATE_DOZE) { |
| state = Display.STATE_ON; |
| } else if (state == Display.STATE_DOZE_SUSPEND) { |
| state = Display.STATE_ON_SUSPEND; |
| } |
| super.setDozeScreenState(state); |
| } |
| |
| /** |
| * If the device supports the doze display state, return {@code inner}. Otherwise |
| * return a new instance of {@link DozeScreenStatePreventingAdapter} wrapping {@code inner}. |
| */ |
| public static DozeMachine.Service wrapIfNeeded(DozeMachine.Service inner, |
| DozeParameters params) { |
| return isNeeded(params) ? new DozeScreenStatePreventingAdapter(inner) : inner; |
| } |
| |
| private static boolean isNeeded(DozeParameters params) { |
| return !params.getDisplayStateSupported(); |
| } |
| } |