1 /* 2 * Copyright (c) 2016, 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 package com.android.car.hvac.controllers; 17 18 import android.util.Log; 19 import com.android.car.hvac.HvacController; 20 import com.android.car.hvac.ui.FanSpeedBar; 21 22 /** 23 * Controller for the fan speed bar to adjust fan speed. 24 */ 25 public class FanSpeedBarController { 26 private final static String TAG = "FanSpeedBarCtrl"; 27 28 private final FanSpeedBar mFanSpeedBar; 29 private final HvacController mHvacController; 30 private int mCurrentFanSpeed; 31 32 // Note the following are car specific values. 33 private static final int MAX_FAN_SPEED = 6; 34 private static final int MIN_FAN_SPEED = 1; 35 36 public FanSpeedBarController(FanSpeedBar speedBar, HvacController controller) { 37 mFanSpeedBar = speedBar; 38 mHvacController = controller; 39 initialize(); 40 } 41 42 private void initialize() { 43 mFanSpeedBar.setFanspeedButtonClickListener(mClickListener); 44 mHvacController.registerCallback(mCallback); 45 // During initialization, we do not need to animate the changes. 46 handleFanSpeedUpdate(mHvacController.getFanSpeed(), false /* animateUpdate */); 47 } 48 49 private void handleFanSpeedUpdate(int speed, boolean animateUpdate) { 50 if (Log.isLoggable(TAG, Log.DEBUG)) { 51 Log.d(TAG, "Fan speed bar being set to value: " + speed); 52 } 53 54 mCurrentFanSpeed = speed; 55 if (mCurrentFanSpeed == MIN_FAN_SPEED) { 56 mFanSpeedBar.setOff(); 57 } else if (mCurrentFanSpeed >= MAX_FAN_SPEED) { 58 mFanSpeedBar.setMax(); 59 } else if (mCurrentFanSpeed < MAX_FAN_SPEED && mCurrentFanSpeed > MIN_FAN_SPEED) { 60 // Note car specific values being used: 61 // The lowest fanspeed is represented by the off button, the first segment 62 // actually represents the second fan speed setting. 63 if (animateUpdate) { 64 mFanSpeedBar.animateToSpeedSegment(mCurrentFanSpeed - 1); 65 } else { 66 mFanSpeedBar.setSpeedSegment(mCurrentFanSpeed - 1); 67 } 68 } 69 } 70 71 private FanSpeedBar.FanSpeedButtonClickListener mClickListener 72 = new FanSpeedBar.FanSpeedButtonClickListener() { 73 @Override 74 public void onMaxButtonClicked() { 75 mHvacController.setFanSpeed(MAX_FAN_SPEED); 76 } 77 78 @Override 79 public void onOffButtonClicked() { 80 mHvacController.setFanSpeed(MIN_FAN_SPEED); 81 } 82 83 @Override 84 public void onFanSpeedSegmentClicked(int position) { 85 // Note car specific values being used: 86 // The lowest fanspeed is represented by the off button, the first segment 87 // actually represents the second fan speed setting. 88 mHvacController.setFanSpeed(position + 1); 89 } 90 }; 91 92 private HvacController.Callback mCallback = new HvacController.Callback() { 93 @Override 94 public void onFanSpeedChange(int speed) { 95 handleFanSpeedUpdate(speed, true /* animateUpdate */); 96 } 97 }; 98 } 99
