98 lines
3.3 KiB
Java
98 lines
3.3 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.wifi.slice;
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import android.content.Context;
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import android.net.NetworkCapabilities;
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import android.net.Uri;
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import android.net.wifi.WifiInfo;
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import android.net.wifi.WifiManager;
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import android.text.TextUtils;
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import android.util.Log;
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import androidx.annotation.VisibleForTesting;
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import androidx.slice.Slice;
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import com.android.settings.overlay.FeatureFactory;
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import com.android.settings.slices.CustomSliceRegistry;
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import com.android.settings.slices.CustomSliceable;
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/**
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* {@link CustomSliceable} for Wi-Fi, used by contextual homepage.
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*/
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public class ContextualWifiSlice extends WifiSlice {
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private static final String TAG = "ContextualWifiSlice";
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@VisibleForTesting
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static long sActiveUiSession = -1000;
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@VisibleForTesting
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static boolean sPreviouslyDisplayed;
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public ContextualWifiSlice(Context context) {
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super(context);
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}
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@Override
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public Uri getUri() {
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return CustomSliceRegistry.CONTEXTUAL_WIFI_SLICE_URI;
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}
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@Override
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public Slice getSlice() {
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final long currentUiSession = FeatureFactory.getFactory(mContext)
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.getSlicesFeatureProvider().getUiSessionToken();
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if (currentUiSession != sActiveUiSession) {
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sActiveUiSession = currentUiSession;
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sPreviouslyDisplayed = false;
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}
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if (!sPreviouslyDisplayed && hasWorkingNetwork()) {
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Log.d(TAG, "Wifi is connected, no point showing any suggestion.");
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return null;
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}
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// Set sPreviouslyDisplayed to true - we will show *something* on the screen. So we should
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// keep showing this card to keep UI stable, even if wifi connects to a network later.
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sPreviouslyDisplayed = true;
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return super.getSlice();
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}
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private boolean hasWorkingNetwork() {
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return !TextUtils.equals(getActiveSSID(), WifiManager.UNKNOWN_SSID) && hasInternetAccess();
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}
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private String getActiveSSID() {
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if (mWifiManager.getWifiState() != WifiManager.WIFI_STATE_ENABLED) {
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return WifiManager.UNKNOWN_SSID;
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}
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return WifiInfo.removeDoubleQuotes(mWifiManager.getConnectionInfo().getSSID());
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}
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private boolean hasInternetAccess() {
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final NetworkCapabilities nc = mConnectivityManager.getNetworkCapabilities(
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mWifiManager.getCurrentNetwork());
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return nc != null
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&& !nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_CAPTIVE_PORTAL)
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&& !nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_PARTIAL_CONNECTIVITY)
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&& nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED);
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}
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@Override
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public Class getBackgroundWorkerClass() {
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return ContextualWifiScanWorker.class;
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}
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}
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