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 17 package com.android.settings.inputmethod; 18 19 import android.content.Context; 20 import android.hardware.input.InputManager; 21 import android.provider.Settings; 22 import android.view.InputDevice; 23 24 import androidx.preference.Preference; 25 import androidx.preference.PreferenceScreen; 26 27 import com.android.settings.R; 28 import com.android.settings.core.PreferenceControllerMixin; 29 import com.android.settings.core.TogglePreferenceController; 30 import com.android.settingslib.core.lifecycle.LifecycleObserver; 31 import com.android.settingslib.core.lifecycle.events.OnPause; 32 import com.android.settingslib.core.lifecycle.events.OnResume; 33 34 public class GameControllerPreferenceController extends TogglePreferenceController 35 implements PreferenceControllerMixin, InputManager.InputDeviceListener, LifecycleObserver, 36 OnResume, OnPause { 37 38 private final InputManager mIm; 39 40 private Preference mPreference; 41 GameControllerPreferenceController(Context context, String key)42 public GameControllerPreferenceController(Context context, String key) { 43 super(context, key); 44 mIm = (InputManager) context.getSystemService(Context.INPUT_SERVICE); 45 } 46 47 @Override onResume()48 public void onResume() { 49 mIm.registerInputDeviceListener(this, null); 50 } 51 52 @Override onPause()53 public void onPause() { 54 mIm.unregisterInputDeviceListener(this); 55 } 56 57 @Override displayPreference(PreferenceScreen screen)58 public void displayPreference(PreferenceScreen screen) { 59 super.displayPreference(screen); 60 mPreference = screen.findPreference(getPreferenceKey()); 61 } 62 63 @Override 64 @AvailabilityStatus getAvailabilityStatus()65 public int getAvailabilityStatus() { 66 // If device explicitly wants to hide this, return early. 67 if (!mContext.getResources().getBoolean(R.bool.config_show_vibrate_input_devices)) { 68 return UNSUPPORTED_ON_DEVICE; 69 } 70 71 final int[] devices = mIm.getInputDeviceIds(); 72 for (int deviceId : devices) { 73 InputDevice device = mIm.getInputDevice(deviceId); 74 if (device != null && !device.isVirtual() && device.getVibrator().hasVibrator()) { 75 return AVAILABLE; 76 } 77 } 78 return CONDITIONALLY_UNAVAILABLE; 79 } 80 81 @Override updateState(Preference preference)82 public void updateState(Preference preference) { 83 super.updateState(preference); 84 if (preference == null) { 85 return; 86 } 87 mPreference.setVisible(isAvailable()); 88 } 89 90 @Override isChecked()91 public boolean isChecked() { 92 return Settings.System.getInt( 93 mContext.getContentResolver(), 94 Settings.System.VIBRATE_INPUT_DEVICES, 1) > 0; 95 } 96 97 @Override setChecked(boolean isChecked)98 public boolean setChecked(boolean isChecked) { 99 return Settings.System.putInt(mContext.getContentResolver(), 100 Settings.System.VIBRATE_INPUT_DEVICES, isChecked ? 1 : 0); 101 } 102 103 @Override onInputDeviceAdded(int deviceId)104 public void onInputDeviceAdded(int deviceId) { 105 updateState(mPreference); 106 } 107 108 @Override onInputDeviceRemoved(int deviceId)109 public void onInputDeviceRemoved(int deviceId) { 110 updateState(mPreference); 111 } 112 113 @Override onInputDeviceChanged(int deviceId)114 public void onInputDeviceChanged(int deviceId) { 115 updateState(mPreference); 116 } 117 } 118