1 /* 2 * Copyright (C) 2018 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 17 package com.android.systemui.statusbar.car.hvac; 18 19 /** 20 * Interface for Views that display temperature HVAC properties 21 */ 22 public interface TemperatureView { 23 /** 24 * Formats the float for display 25 * 26 * @param temp - The current temp in Celsius or NaN 27 */ setTemp(float temp)28 void setTemp(float temp); 29 30 /** 31 * Render the displayed temperature in Fahrenheit 32 * 33 * @param displayFahrenheit - True if temperature should be displayed in Fahrenheit 34 */ setDisplayInFahrenheit(boolean displayFahrenheit)35 void setDisplayInFahrenheit(boolean displayFahrenheit); 36 37 /** 38 * Convert the given temperature in Celsius into Fahrenheit 39 * 40 * @param realTemp - The temperature in Celsius 41 * @return Temperature in Fahrenheit. 42 */ convertToFahrenheit(float realTemp)43 default float convertToFahrenheit(float realTemp) { 44 return (realTemp * 9f / 5f) + 32; 45 } 46 47 /** 48 * @return propertiyId Example: CarHvacManager.ID_ZONED_TEMP_SETPOINT (16385) 49 */ getPropertyId()50 int getPropertyId(); 51 52 /** 53 * @return hvac AreaId - Example: VehicleSeat.SEAT_ROW_1_LEFT (1) 54 */ getAreaId()55 int getAreaId(); 56 } 57