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/*
* Copyright (C) 2018 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.slice;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.net.ConnectivityManager;
import android.net.NetworkCapabilities;
import android.net.Uri;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.text.TextUtils;
import androidx.annotation.VisibleForTesting;
import androidx.core.graphics.drawable.IconCompat;
import androidx.slice.Slice;
import androidx.slice.builders.ListBuilder;
import com.android.settings.R;
import com.android.settings.Utils;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.slices.CustomSliceRegistry;
import com.android.settings.slices.CustomSliceable;
import com.android.wifitrackerlib.WifiEntry;
/**
* {@link CustomSliceable} for Wi-Fi, used by contextual homepage.
*/
public class ContextualWifiSlice extends WifiSlice {
@VisibleForTesting
static final int COLLAPSED_ROW_COUNT = 0;
@VisibleForTesting
static long sActiveUiSession = -1000;
@VisibleForTesting
static boolean sApRowCollapsed;
private final ConnectivityManager mConnectivityManager;
public ContextualWifiSlice(Context context) {
super(context);
mConnectivityManager = mContext.getSystemService(ConnectivityManager.class);
}
@Override
public Uri getUri() {
return CustomSliceRegistry.CONTEXTUAL_WIFI_SLICE_URI;
}
@Override
public Slice getSlice() {
final long currentUiSession = FeatureFactory.getFactory(mContext)
.getSlicesFeatureProvider().getUiSessionToken();
if (currentUiSession != sActiveUiSession) {
sActiveUiSession = currentUiSession;
sApRowCollapsed = hasWorkingNetwork();
} else if (!mWifiManager.isWifiEnabled()) {
sApRowCollapsed = false;
}
return super.getSlice();
}
static int getApRowCount() {
return sApRowCollapsed ? COLLAPSED_ROW_COUNT : DEFAULT_EXPANDED_ROW_COUNT;
}
@Override
protected boolean isApRowCollapsed() {
return sApRowCollapsed;
}
@Override
protected ListBuilder.RowBuilder getHeaderRow(boolean isWifiEnabled,
WifiSliceItem wifiSliceItem) {
final ListBuilder.RowBuilder builder = super.getHeaderRow(isWifiEnabled, wifiSliceItem);
builder.setTitleItem(getHeaderIcon(isWifiEnabled, wifiSliceItem), ListBuilder.ICON_IMAGE);
if (sApRowCollapsed) {
builder.setSubtitle(getHeaderSubtitle(wifiSliceItem));
}
return builder;
}
private IconCompat getHeaderIcon(boolean isWifiEnabled, WifiSliceItem wifiSliceItem) {
final Drawable drawable;
final int tint;
if (!isWifiEnabled) {
drawable = mContext.getDrawable(R.drawable.ic_wifi_off);
tint = Utils.getDisabled(mContext, Utils.getColorAttrDefaultColor(mContext,
android.R.attr.colorControlNormal));
} else {
// get icon of medium signal strength
drawable = mContext.getDrawable(com.android.settingslib.Utils.getWifiIconResource(2));
if (wifiSliceItem != null
&& wifiSliceItem.getConnectedState() == WifiEntry.CONNECTED_STATE_CONNECTED) {
tint = Utils.getColorAccentDefaultColor(mContext);
} else {
tint = Utils.getColorAttrDefaultColor(mContext, android.R.attr.colorControlNormal);
}
}
drawable.setTint(tint);
return Utils.createIconWithDrawable(drawable);
}
private CharSequence getHeaderSubtitle(WifiSliceItem wifiSliceItem) {
if (wifiSliceItem == null
|| wifiSliceItem.getConnectedState() == WifiEntry.CONNECTED_STATE_DISCONNECTED) {
return mContext.getText(R.string.disconnected);
}
if (wifiSliceItem.getConnectedState() == WifiEntry.CONNECTED_STATE_CONNECTING) {
return mContext.getString(R.string.wifi_connecting_to_message,
wifiSliceItem.getTitle());
}
return mContext.getString(R.string.wifi_connected_to_message, wifiSliceItem.getTitle());
}
private boolean hasWorkingNetwork() {
return !TextUtils.equals(getActiveSSID(), WifiManager.UNKNOWN_SSID) && hasInternetAccess();
}
private String getActiveSSID() {
if (mWifiManager.getWifiState() != WifiManager.WIFI_STATE_ENABLED) {
return WifiManager.UNKNOWN_SSID;
}
return WifiInfo.sanitizeSsid(mWifiManager.getConnectionInfo().getSSID());
}
private boolean hasInternetAccess() {
final NetworkCapabilities nc = mConnectivityManager.getNetworkCapabilities(
mWifiManager.getCurrentNetwork());
return nc != null
&& !nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_CAPTIVE_PORTAL)
&& !nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_PARTIAL_CONNECTIVITY)
&& nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED);
}
@Override
public Class getBackgroundWorkerClass() {
return ContextualWifiScanWorker.class;
}
}
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