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/*
* Copyright (C) 2017 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.wifi;
import static com.android.settings.wifi.ConfigureWifiSettings.WIFI_WAKEUP_REQUEST_CODE;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.location.LocationManager;
import android.net.wifi.WifiManager;
import android.provider.Settings;
import androidx.annotation.VisibleForTesting;
import androidx.fragment.app.Fragment;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import androidx.preference.SwitchPreference;
import com.android.settings.R;
import com.android.settings.core.TogglePreferenceController;
import com.android.settings.utils.AnnotationSpan;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnPause;
import com.android.settingslib.core.lifecycle.events.OnResume;
/**
* {@link TogglePreferenceController} that controls whether the Wi-Fi Wakeup feature should be
* enabled.
*/
public class WifiWakeupPreferenceController extends TogglePreferenceController implements
LifecycleObserver, OnPause, OnResume {
private static final String TAG = "WifiWakeupPrefController";
private static final String KEY_ENABLE_WIFI_WAKEUP = "enable_wifi_wakeup";
private Fragment mFragment;
@VisibleForTesting
SwitchPreference mPreference;
@VisibleForTesting
LocationManager mLocationManager;
@VisibleForTesting
WifiManager mWifiManager;
private final BroadcastReceiver mLocationReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
updateState(mPreference);
}
};
private final IntentFilter mLocationFilter =
new IntentFilter(LocationManager.MODE_CHANGED_ACTION);
public WifiWakeupPreferenceController(Context context) {
super(context, KEY_ENABLE_WIFI_WAKEUP);
mLocationManager = (LocationManager) context.getSystemService(Service.LOCATION_SERVICE);
mWifiManager = context.getSystemService(WifiManager.class);
}
public void setFragment(Fragment hostFragment) {
mFragment = hostFragment;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreference = screen.findPreference(getPreferenceKey());
}
@Override
public int getAvailabilityStatus() {
return AVAILABLE;
}
@Override
public boolean isChecked() {
return getWifiWakeupEnabled()
&& getWifiScanningEnabled()
&& mLocationManager.isLocationEnabled();
}
@Override
public boolean setChecked(boolean isChecked) {
if (isChecked) {
if (mFragment == null) {
throw new IllegalStateException("No fragment to start activity");
}
if (!mLocationManager.isLocationEnabled()) {
final Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
mFragment.startActivityForResult(intent, WIFI_WAKEUP_REQUEST_CODE);
return false;
} else if (!getWifiScanningEnabled()) {
showScanningDialog();
return false;
}
}
setWifiWakeupEnabled(isChecked);
return true;
}
@Override
public void updateState(Preference preference) {
super.updateState(preference);
refreshSummary(preference);
}
@Override
public CharSequence getSummary() {
if (!mLocationManager.isLocationEnabled()) {
return getNoLocationSummary();
} else {
return mContext.getText(R.string.wifi_wakeup_summary);
}
}
@Override
public int getSliceHighlightMenuRes() {
return R.string.menu_key_network;
}
@VisibleForTesting
CharSequence getNoLocationSummary() {
AnnotationSpan.LinkInfo linkInfo = new AnnotationSpan.LinkInfo("link", null);
CharSequence locationText = mContext.getText(R.string.wifi_wakeup_summary_no_location);
return AnnotationSpan.linkify(locationText, linkInfo);
}
public void onActivityResult(int requestCode, int resultCode) {
if (requestCode != WIFI_WAKEUP_REQUEST_CODE) {
return;
}
if (mLocationManager.isLocationEnabled() && getWifiScanningEnabled()) {
setWifiWakeupEnabled(true);
updateState(mPreference);
}
}
private boolean getWifiScanningEnabled() {
return mWifiManager.isScanAlwaysAvailable();
}
private void showScanningDialog() {
final WifiScanningRequiredFragment dialogFragment =
WifiScanningRequiredFragment.newInstance();
dialogFragment.setTargetFragment(mFragment, WIFI_WAKEUP_REQUEST_CODE /* requestCode */);
dialogFragment.show(mFragment.getFragmentManager(), TAG);
}
private boolean getWifiWakeupEnabled() {
return mWifiManager.isAutoWakeupEnabled();
}
private void setWifiWakeupEnabled(boolean enabled) {
mWifiManager.setAutoWakeupEnabled(enabled);
}
@Override
public void onResume() {
mContext.registerReceiver(mLocationReceiver, mLocationFilter);
}
@Override
public void onPause() {
mContext.unregisterReceiver(mLocationReceiver);
}
}
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