| /** |
| * Copyright (C) 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 android.hardware.lights; |
| |
| import android.annotation.ColorInt; |
| import android.annotation.NonNull; |
| import android.annotation.SystemApi; |
| import android.annotation.TestApi; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| /** |
| * Represents the state of a device light. |
| * |
| * <p>Controlling the color and brightness of a light is done on a best-effort basis. Each of the R, |
| * G and B channels represent the intensities of the respective part of an RGB LED, if that is |
| * supported. For devices that only support on or off lights, everything that's not off will turn |
| * the light on. If the light is monochrome and only the brightness can be controlled, the RGB color |
| * will be converted to only a brightness value and that will be used for the light's single |
| * channel. |
| * |
| * @hide |
| */ |
| @SystemApi |
| @TestApi |
| public final class LightState implements Parcelable { |
| private final int mColor; |
| |
| /** |
| * Creates a new LightState with the desired color and intensity. |
| * |
| * @param color the desired color and intensity in ARGB format. |
| */ |
| public LightState(@ColorInt int color) { |
| mColor = color; |
| } |
| |
| private LightState(@NonNull Parcel in) { |
| mColor = in.readInt(); |
| } |
| |
| /** |
| * Return the color and intensity associated with this LightState. |
| * @return the color and intensity in ARGB format. The A channel is ignored. |
| */ |
| public @ColorInt int getColor() { |
| return mColor; |
| } |
| |
| @Override |
| public void writeToParcel(@NonNull Parcel dest, int flags) { |
| dest.writeInt(mColor); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| public static final @NonNull Parcelable.Creator<LightState> CREATOR = |
| new Parcelable.Creator<LightState>() { |
| public LightState createFromParcel(Parcel in) { |
| return new LightState(in); |
| } |
| |
| public LightState[] newArray(int size) { |
| return new LightState[size]; |
| } |
| }; |
| } |