| /* |
| * Copyright (C) 2021 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 com.android.settings.uwb; |
| |
| import static android.uwb.UwbManager.AdapterStateCallback.STATE_CHANGED_REASON_SYSTEM_REGULATION; |
| import static android.uwb.UwbManager.AdapterStateCallback.STATE_DISABLED; |
| import static android.uwb.UwbManager.AdapterStateCallback.STATE_ENABLED_ACTIVE; |
| import static android.uwb.UwbManager.AdapterStateCallback.STATE_ENABLED_INACTIVE; |
| |
| import static androidx.lifecycle.Lifecycle.Event.ON_START; |
| import static androidx.lifecycle.Lifecycle.Event.ON_STOP; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageManager; |
| import android.os.Handler; |
| import android.os.HandlerExecutor; |
| import android.uwb.UwbManager; |
| import android.uwb.UwbManager.AdapterStateCallback; |
| |
| import androidx.lifecycle.LifecycleObserver; |
| import androidx.lifecycle.OnLifecycleEvent; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.settings.R; |
| import com.android.settings.core.TogglePreferenceController; |
| |
| import java.util.concurrent.Executor; |
| |
| /** Controller for "UWB" toggle. */ |
| public class UwbPreferenceController extends TogglePreferenceController implements |
| LifecycleObserver { |
| private final UwbManager mUwbManager; |
| private final UwbUtils mUwbUtils; |
| private boolean mAirplaneModeOn; |
| private /* @AdapterStateCallback.State */ int mState; |
| private /* @AdapterStateCallback.StateChangedReason */ int mStateReason; |
| private final BroadcastReceiver mAirplaneModeChangedReceiver; |
| private final AdapterStateCallback mAdapterStateCallback; |
| private final Executor mExecutor; |
| private final Handler mHandler; |
| private Preference mPreference; |
| |
| @VisibleForTesting |
| public UwbPreferenceController(Context context, String key, UwbUtils uwbUtils) { |
| super(context, key); |
| mHandler = new Handler(context.getMainLooper()); |
| mExecutor = new HandlerExecutor(mHandler); |
| mUwbUtils = uwbUtils; |
| if (isUwbSupportedOnDevice()) { |
| mUwbManager = context.getSystemService(UwbManager.class); |
| mAirplaneModeChangedReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| mAirplaneModeOn = mUwbUtils.isAirplaneModeOn(mContext); |
| updateState(mPreference); |
| } |
| }; |
| mAdapterStateCallback = (state, reason) -> { |
| mState = state; |
| mStateReason = reason; |
| updateState(mPreference); |
| }; |
| mState = mUwbManager.getAdapterState(); |
| } else { |
| mUwbManager = null; |
| mAirplaneModeChangedReceiver = null; |
| mAdapterStateCallback = null; |
| } |
| } |
| |
| public UwbPreferenceController(Context context, String key) { |
| this(context, key, new UwbUtils()); |
| } |
| |
| public boolean isUwbSupportedOnDevice() { |
| return mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_UWB); |
| } |
| |
| private boolean isUwbDisabledDueToRegulatory() { |
| return mState == STATE_DISABLED && mStateReason == STATE_CHANGED_REASON_SYSTEM_REGULATION; |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| if (!isUwbSupportedOnDevice()) { |
| return UNSUPPORTED_ON_DEVICE; |
| } else if (mAirplaneModeOn) { |
| return DISABLED_DEPENDENT_SETTING; |
| } else if (isUwbDisabledDueToRegulatory()) { |
| return CONDITIONALLY_UNAVAILABLE; |
| } else { |
| return AVAILABLE; |
| } |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mPreference = screen.findPreference(getPreferenceKey()); |
| } |
| |
| @Override |
| public boolean isChecked() { |
| if (!isUwbSupportedOnDevice()) { |
| return false; |
| } |
| return mState == STATE_ENABLED_ACTIVE || mState == STATE_ENABLED_INACTIVE; |
| } |
| |
| @Override |
| public boolean setChecked(boolean isChecked) { |
| if (isUwbSupportedOnDevice()) { |
| if (mAirplaneModeOn) { |
| mUwbManager.setUwbEnabled(false); |
| } else { |
| mUwbManager.setUwbEnabled(isChecked); |
| } |
| } |
| return true; |
| } |
| |
| /** Called when activity starts being displayed to user. */ |
| @OnLifecycleEvent(ON_START) |
| public void onStart() { |
| if (isUwbSupportedOnDevice()) { |
| mState = mUwbManager.getAdapterState(); |
| mStateReason = AdapterStateCallback.STATE_CHANGED_REASON_ERROR_UNKNOWN; |
| mAirplaneModeOn = mUwbUtils.isAirplaneModeOn(mContext); |
| mUwbManager.registerAdapterStateCallback(mExecutor, mAdapterStateCallback); |
| mContext.registerReceiver(mAirplaneModeChangedReceiver, |
| new IntentFilter(Intent.ACTION_AIRPLANE_MODE_CHANGED), null, mHandler); |
| refreshSummary(mPreference); |
| } |
| } |
| |
| /** Called when activity stops being displayed to user. */ |
| @OnLifecycleEvent(ON_STOP) |
| public void onStop() { |
| if (isUwbSupportedOnDevice()) { |
| mUwbManager.unregisterAdapterStateCallback(mAdapterStateCallback); |
| mContext.unregisterReceiver(mAirplaneModeChangedReceiver); |
| } |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| super.updateState(preference); |
| preference.setEnabled(!mAirplaneModeOn); |
| refreshSummary(mPreference); |
| } |
| |
| @Override |
| public CharSequence getSummary() { |
| if (mAirplaneModeOn) { |
| return mContext.getResources().getString(R.string.uwb_settings_summary_airplane_mode); |
| } else if (isUwbDisabledDueToRegulatory()) { |
| return mContext.getResources().getString( |
| R.string.uwb_settings_summary_no_uwb_regulatory); |
| } else { |
| return mContext.getResources().getString(R.string.uwb_settings_summary); |
| } |
| } |
| |
| @Override |
| public int getSliceHighlightMenuRes() { |
| return R.string.menu_key_connected_devices; |
| } |
| |
| @Override |
| public boolean hasAsyncUpdate() { |
| return true; |
| } |
| } |
| |