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/*
* Copyright (C) 2020 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.development;
import android.content.ContentResolver;
import android.content.Context;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Handler;
import android.os.Looper;
import android.provider.Settings;
import android.util.Log;
import android.widget.Toast;
import com.android.settings.R;
import com.android.settings.widget.SwitchWidgetController;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnPause;
import com.android.settingslib.core.lifecycle.events.OnResume;
/**
* Class to control the switch bar in the wireless debugging fragment.
*/
public class WirelessDebuggingEnabler implements SwitchWidgetController.OnSwitchChangeListener,
LifecycleObserver, OnResume, OnPause {
private static final String TAG = "WirelessDebuggingEnabler";
private final SwitchWidgetController mSwitchWidget;
private Context mContext;
private boolean mListeningToOnSwitchChange = false;
private OnEnabledListener mListener;
private final ContentResolver mContentResolver;
private final ContentObserver mSettingsObserver;
private final Handler mHandler = new Handler(Looper.getMainLooper());
public WirelessDebuggingEnabler(Context context, SwitchWidgetController switchWidget,
OnEnabledListener listener, Lifecycle lifecycle) {
mContext = context;
mSwitchWidget = switchWidget;
mSwitchWidget.setListener(this);
mSwitchWidget.setupView();
mListener = listener;
if (lifecycle != null) {
lifecycle.addObserver(this);
}
mContentResolver = context.getContentResolver();
mSettingsObserver = new ContentObserver(mHandler) {
@Override
public void onChange(boolean selfChange, Uri uri) {
Log.i(TAG, "ADB_WIFI_ENABLED=" + isAdbWifiEnabled());
onWirelessDebuggingEnabled(isAdbWifiEnabled());
}
};
}
private boolean isAdbWifiEnabled() {
return Settings.Global.getInt(mContentResolver, Settings.Global.ADB_WIFI_ENABLED,
AdbPreferenceController.ADB_SETTING_OFF)
!= AdbPreferenceController.ADB_SETTING_OFF;
}
/**
* Tears down the switch controller for the wireless debugging switch.
*/
public void teardownSwitchController() {
if (mListeningToOnSwitchChange) {
mSwitchWidget.stopListening();
mListeningToOnSwitchChange = false;
}
mSwitchWidget.teardownView();
}
@Override
public void onResume() {
if (!mListeningToOnSwitchChange) {
mSwitchWidget.startListening();
mListeningToOnSwitchChange = true;
}
onWirelessDebuggingEnabled(isAdbWifiEnabled());
mContentResolver.registerContentObserver(
Settings.Global.getUriFor(Settings.Global.ADB_WIFI_ENABLED), false,
mSettingsObserver);
}
@Override
public void onPause() {
if (mListeningToOnSwitchChange) {
mSwitchWidget.stopListening();
mListeningToOnSwitchChange = false;
}
mContentResolver.unregisterContentObserver(mSettingsObserver);
}
private void onWirelessDebuggingEnabled(boolean enabled) {
mSwitchWidget.setChecked(enabled);
if (mListener != null) {
mListener.onEnabled(enabled);
}
}
protected void writeAdbWifiSetting(boolean enabled) {
Settings.Global.putInt(mContext.getContentResolver(),
Settings.Global.ADB_WIFI_ENABLED, enabled ? AdbPreferenceController.ADB_SETTING_ON
: AdbPreferenceController.ADB_SETTING_OFF);
}
@Override
public boolean onSwitchToggled(boolean isChecked) {
if (isChecked && !WirelessDebuggingPreferenceController.isWifiConnected(mContext)) {
// No connected Wi-Fi network. Reset the switch to off.
Toast.makeText(
mContext, R.string.adb_wireless_no_network_msg, Toast.LENGTH_LONG)
.show();
mSwitchWidget.setChecked(false);
return false;
}
writeAdbWifiSetting(isChecked);
return true;
}
/**
* Interface for subscribers to implement in order to listen for
* wireless debugging state changes.
*/
public interface OnEnabledListener {
/**
* Called when wireless debugging state changes.
*
* @param enabled the state of wireless debugging
*/
void onEnabled(boolean enabled);
}
}
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