1 /* 2 * Copyright (C) 2020 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.car.hvac; 18 19 /** 20 * Interface for Views that display temperature HVAC properties. 21 */ 22 public interface TemperatureView { 23 24 /** 25 * Sets the {@link HvacController} to handle changes to HVAC properties. The View is only 26 * responsible for the UI to display temperature. It should not contain logic that makes direct 27 * changes to HVAC properties and instead use this {@link HvacController}. 28 */ setHvacController(HvacController controller)29 void setHvacController(HvacController controller); 30 31 /** 32 * Formats the float for display 33 * 34 * @param temp - The current temp in Celsius or NaN 35 */ setTemp(float temp)36 void setTemp(float temp); 37 38 /** 39 * Renders the displayed temperature in Fahrenheit 40 * 41 * @param displayFahrenheit - True if temperature should be displayed in Fahrenheit 42 */ setDisplayInFahrenheit(boolean displayFahrenheit)43 void setDisplayInFahrenheit(boolean displayFahrenheit); 44 45 /** 46 * @return hvac AreaId - Example: VehicleAreaSeat.SEAT_ROW_1_LEFT (1) 47 */ getAreaId()48 int getAreaId(); 49 50 /** 51 * Performs any action needed when locale is changed. 52 */ onLocaleListChanged()53 default void onLocaleListChanged() {} 54 } 55