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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.wifitrackerlib;
import static android.net.wifi.WifiInfo.DEFAULT_MAC_ADDRESS;
import static android.net.wifi.WifiInfo.sanitizeSsid;
import static com.android.wifitrackerlib.Utils.getVerboseLoggingDescription;
import android.content.Context;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Handler;
import android.text.TextUtils;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.WorkerThread;
import java.util.StringJoiner;
/**
* WifiEntry representation of merged carrier network, uniquely identified by subscription id.
*/
public class MergedCarrierEntry extends WifiEntry {
static final String KEY_PREFIX = "MergedCarrierEntry:";
private final int mSubscriptionId;
@NonNull private final String mKey;
@NonNull private final Context mContext;
boolean mIsCellDefaultRoute;
MergedCarrierEntry(@NonNull Handler callbackHandler,
@NonNull WifiManager wifiManager,
boolean forSavedNetworksPage,
@NonNull Context context,
int subscriptionId) throws IllegalArgumentException {
super(callbackHandler, wifiManager, forSavedNetworksPage);
mContext = context;
mSubscriptionId = subscriptionId;
mKey = KEY_PREFIX + subscriptionId;
}
@Override
public String getKey() {
return mKey;
}
@Override
public String getSummary(boolean concise) {
StringJoiner sj = new StringJoiner(mContext.getString(
R.string.wifitrackerlib_summary_separator));
if (!concise) {
final String verboseLoggingDescription = getVerboseLoggingDescription(this);
if (!TextUtils.isEmpty(verboseLoggingDescription)) {
sj.add(verboseLoggingDescription);
}
}
return sj.toString();
}
@Override
public synchronized String getSsid() {
if (mWifiInfo != null) {
return sanitizeSsid(mWifiInfo.getSSID());
}
return null;
}
@Override
public synchronized String getMacAddress() {
if (mWifiInfo != null) {
final String wifiInfoMac = mWifiInfo.getMacAddress();
if (!TextUtils.isEmpty(wifiInfoMac)
&& !TextUtils.equals(wifiInfoMac, DEFAULT_MAC_ADDRESS)) {
return wifiInfoMac;
}
}
return null;
}
@Override
public synchronized boolean canConnect() {
return getConnectedState() == CONNECTED_STATE_DISCONNECTED && !mIsCellDefaultRoute;
}
/**
* Connect to this merged carrier network and show the "Wi-Fi won't autoconnect for now" toast.
* @param callback callback for the connect result
*/
@Override
public synchronized void connect(@Nullable ConnectCallback callback) {
connect(callback, true);
}
/**
* Connect to this merged carrier network.
* @param callback callback for the connect result
* @param showToast show the "Wi-Fi won't autoconnect for now" toast if {@code true}
*/
public synchronized void connect(@Nullable ConnectCallback callback, boolean showToast) {
mConnectCallback = callback;
mWifiManager.startRestrictingAutoJoinToSubscriptionId(mSubscriptionId);
if (showToast) {
Toast.makeText(mContext, R.string.wifitrackerlib_wifi_wont_autoconnect_for_now,
Toast.LENGTH_SHORT).show();
}
if (mConnectCallback != null) {
mCallbackHandler.post(() -> {
final ConnectCallback connectCallback = mConnectCallback;
if (connectCallback != null) {
connectCallback.onConnectResult(ConnectCallback.CONNECT_STATUS_SUCCESS);
}
});
}
}
@Override
public boolean canDisconnect() {
return getConnectedState() == CONNECTED_STATE_CONNECTED;
}
@Override
public synchronized void disconnect(@Nullable DisconnectCallback callback) {
mDisconnectCallback = callback;
mWifiManager.stopRestrictingAutoJoinToSubscriptionId();
mWifiManager.startScan();
if (mDisconnectCallback != null) {
mCallbackHandler.post(() -> {
final DisconnectCallback disconnectCallback = mDisconnectCallback;
if (disconnectCallback != null) {
disconnectCallback.onDisconnectResult(
DisconnectCallback.DISCONNECT_STATUS_SUCCESS);
}
});
}
}
@WorkerThread
protected boolean connectionInfoMatches(@NonNull WifiInfo wifiInfo) {
return wifiInfo.isCarrierMerged() && mSubscriptionId == wifiInfo.getSubscriptionId();
}
/** Returns whether or not carrier network offload is enabled for this subscription **/
public boolean isEnabled() {
return mWifiManager.isCarrierNetworkOffloadEnabled(mSubscriptionId, true);
}
/** Enables/disables the carrier network */
public void setEnabled(boolean enabled) {
mWifiManager.setCarrierNetworkOffloadEnabled(mSubscriptionId, true, enabled);
if (!enabled) {
mWifiManager.stopRestrictingAutoJoinToSubscriptionId();
mWifiManager.startScan();
}
}
/* package */ int getSubscriptionId() {
return mSubscriptionId;
}
/* package */ synchronized void updateIsCellDefaultRoute(boolean isCellDefaultRoute) {
mIsCellDefaultRoute = isCellDefaultRoute;
notifyOnUpdated();
}
}
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