| /* |
| * 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 static android.app.slice.Slice.EXTRA_TOGGLE_STATE; |
| import static android.provider.SettingsSlicesContract.KEY_WIFI; |
| |
| import static com.android.settings.slices.CustomSliceRegistry.WIFI_SLICE_URI; |
| |
| import android.annotation.ColorInt; |
| import android.app.PendingIntent; |
| import android.app.settings.SettingsEnums; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.graphics.Color; |
| import android.graphics.drawable.ColorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.net.Uri; |
| import android.net.wifi.WifiManager; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import androidx.annotation.Nullable; |
| import androidx.annotation.VisibleForTesting; |
| import androidx.core.graphics.drawable.IconCompat; |
| import androidx.slice.Slice; |
| import androidx.slice.builders.ListBuilder; |
| import androidx.slice.builders.SliceAction; |
| |
| import com.android.settings.R; |
| import com.android.settings.SubSettings; |
| import com.android.settings.Utils; |
| import com.android.settings.core.SubSettingLauncher; |
| import com.android.settings.network.NetworkProviderSettings; |
| import com.android.settings.network.WifiSwitchPreferenceController; |
| import com.android.settings.slices.CustomSliceable; |
| import com.android.settings.slices.SliceBackgroundWorker; |
| import com.android.settings.slices.SliceBuilderUtils; |
| import com.android.settings.wifi.AppStateChangeWifiStateBridge; |
| import com.android.settings.wifi.WifiDialogActivity; |
| import com.android.settings.wifi.WifiUtils; |
| import com.android.settings.wifi.details.WifiNetworkDetailsFragment; |
| import com.android.settingslib.wifi.WifiEnterpriseRestrictionUtils; |
| import com.android.wifitrackerlib.WifiEntry; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| /** |
| * {@link CustomSliceable} for Wi-Fi, used by generic clients. |
| */ |
| public class WifiSlice implements CustomSliceable { |
| |
| @VisibleForTesting |
| static final int DEFAULT_EXPANDED_ROW_COUNT = 3; |
| private static final String TAG = "WifiSlice"; |
| |
| protected final Context mContext; |
| protected final WifiManager mWifiManager; |
| protected final WifiRestriction mWifiRestriction; |
| |
| public WifiSlice(Context context) { |
| this(context, new WifiRestriction()); |
| } |
| |
| @VisibleForTesting |
| WifiSlice(Context context, WifiRestriction wifiRestriction) { |
| mContext = context; |
| mWifiManager = mContext.getSystemService(WifiManager.class); |
| mWifiRestriction = wifiRestriction; |
| } |
| |
| @Override |
| public Uri getUri() { |
| return WIFI_SLICE_URI; |
| } |
| |
| @Override |
| public Slice getSlice() { |
| // If external calling package doesn't have Wi-Fi permission. |
| final boolean isPermissionGranted = |
| isCallerExemptUid(mContext) || isPermissionGranted(mContext); |
| final boolean isWifiEnabled = isWifiEnabled(); |
| ListBuilder listBuilder = getListBuilder(isWifiEnabled, null /* wifiSliceItem */, |
| isPermissionGranted); |
| // If the caller doesn't have the permission granted, just return a slice without a toggle. |
| if (!isWifiEnabled || !isPermissionGranted) { |
| return listBuilder.build(); |
| } |
| |
| final WifiScanWorker worker = SliceBackgroundWorker.getInstance(getUri()); |
| final List<WifiSliceItem> apList = worker != null ? worker.getResults() : null; |
| final int apCount = apList == null ? 0 : apList.size(); |
| final boolean isFirstApActive = apCount > 0 |
| && apList.get(0).getConnectedState() != WifiEntry.CONNECTED_STATE_DISCONNECTED; |
| |
| if (isFirstApActive) { |
| // refresh header subtext |
| listBuilder = getListBuilder( |
| true /* isWifiEnabled */, apList.get(0), true /* isWiFiPermissionGranted */); |
| } |
| |
| if (isApRowCollapsed()) { |
| return listBuilder.build(); |
| } |
| |
| // Add AP rows |
| final CharSequence placeholder = mContext.getText(R.string.summary_placeholder); |
| for (int i = 0; i < DEFAULT_EXPANDED_ROW_COUNT; i++) { |
| if (i < apCount) { |
| listBuilder.addRow(getWifiSliceItemRow(apList.get(i))); |
| } else if (i == apCount) { |
| listBuilder.addRow(getLoadingRow(placeholder)); |
| } else { |
| listBuilder.addRow(new ListBuilder.RowBuilder() |
| .setTitle(placeholder) |
| .setSubtitle(placeholder)); |
| } |
| } |
| return listBuilder.build(); |
| } |
| |
| private boolean isCallerExemptUid(Context context) { |
| final String[] allowedUidNames = context.getResources().getStringArray( |
| R.array.config_exempt_wifi_permission_uid_name); |
| final String uidName = |
| context.getPackageManager().getNameForUid(Binder.getCallingUid()); |
| Log.d(TAG, "calling uid name : " + uidName); |
| |
| for (String allowedUidName : allowedUidNames) { |
| if (TextUtils.equals(uidName, allowedUidName)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private static boolean isPermissionGranted(Context settingsContext) { |
| final int callingUid = Binder.getCallingUid(); |
| final String callingPackage = settingsContext.getPackageManager() |
| .getPackagesForUid(callingUid)[0]; |
| |
| Context packageContext; |
| try { |
| packageContext = settingsContext.createPackageContext(callingPackage, 0); |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.e(TAG, "Cannot create Context for package: " + callingPackage); |
| return false; |
| } |
| |
| // If app doesn't have related Wi-Fi permission, they shouldn't show Wi-Fi slice. |
| final boolean hasPermission = packageContext.checkPermission( |
| android.Manifest.permission.CHANGE_WIFI_STATE, Binder.getCallingPid(), |
| callingUid) == PackageManager.PERMISSION_GRANTED; |
| AppStateChangeWifiStateBridge.WifiSettingsState state = |
| new AppStateChangeWifiStateBridge(settingsContext, null, null) |
| .getWifiSettingsInfo(callingPackage, callingUid); |
| |
| return hasPermission && state.isPermissible(); |
| } |
| |
| protected boolean isApRowCollapsed() { |
| return false; |
| } |
| |
| protected ListBuilder.RowBuilder getHeaderRow(boolean isWifiEnabled, |
| WifiSliceItem wifiSliceItem) { |
| final IconCompat icon = IconCompat.createWithResource(mContext, |
| R.drawable.ic_settings_wireless); |
| final String title = mContext.getString(R.string.wifi_settings); |
| final PendingIntent primaryAction = getPrimaryAction(); |
| final SliceAction primarySliceAction = SliceAction.createDeeplink(primaryAction, icon, |
| ListBuilder.ICON_IMAGE, title); |
| |
| final ListBuilder.RowBuilder builder = new ListBuilder.RowBuilder() |
| .setTitle(title) |
| .setPrimaryAction(primarySliceAction); |
| |
| if (!mWifiRestriction.isChangeWifiStateAllowed(mContext)) { |
| builder.setSubtitle(mContext.getString(R.string.not_allowed_by_ent)); |
| } |
| return builder; |
| } |
| |
| private ListBuilder getListBuilder(boolean isWifiEnabled, WifiSliceItem wifiSliceItem, |
| boolean isWiFiPermissionGranted) { |
| final ListBuilder builder = new ListBuilder(mContext, getUri(), ListBuilder.INFINITY) |
| .setAccentColor(COLOR_NOT_TINTED) |
| .setKeywords(getKeywords()) |
| .addRow(getHeaderRow(isWifiEnabled, wifiSliceItem)); |
| if (!isWiFiPermissionGranted || !mWifiRestriction.isChangeWifiStateAllowed(mContext)) { |
| return builder; |
| } |
| |
| final PendingIntent toggleAction = getBroadcastIntent(mContext); |
| final SliceAction toggleSliceAction = SliceAction.createToggle(toggleAction, |
| null /* actionTitle */, isWifiEnabled); |
| builder.addAction(toggleSliceAction); |
| |
| return builder; |
| } |
| |
| protected ListBuilder.RowBuilder getWifiSliceItemRow(WifiSliceItem wifiSliceItem) { |
| final CharSequence title = wifiSliceItem.getTitle(); |
| final IconCompat levelIcon = getWifiSliceItemLevelIcon(wifiSliceItem); |
| final ListBuilder.RowBuilder rowBuilder = new ListBuilder.RowBuilder() |
| .setTitleItem(levelIcon, ListBuilder.ICON_IMAGE) |
| .setTitle(title) |
| .setSubtitle(wifiSliceItem.getSummary()) |
| .setContentDescription(wifiSliceItem.getContentDescription()) |
| .setPrimaryAction(getWifiEntryAction(wifiSliceItem, levelIcon, title)); |
| |
| final IconCompat endIcon = getEndIcon(wifiSliceItem); |
| if (endIcon != null) { |
| rowBuilder.addEndItem(endIcon, ListBuilder.ICON_IMAGE); |
| } |
| return rowBuilder; |
| } |
| |
| protected IconCompat getWifiSliceItemLevelIcon(WifiSliceItem wifiSliceItem) { |
| final @ColorInt int tint; |
| if (wifiSliceItem.getConnectedState() == WifiEntry.CONNECTED_STATE_CONNECTED) { |
| tint = Utils.getColorAccentDefaultColor(mContext); |
| } else if (wifiSliceItem.getConnectedState() == WifiEntry.CONNECTED_STATE_DISCONNECTED) { |
| tint = Utils.getColorAttrDefaultColor(mContext, android.R.attr.colorControlNormal); |
| } else { |
| tint = Utils.getDisabled(mContext, Utils.getColorAttrDefaultColor(mContext, |
| android.R.attr.colorControlNormal)); |
| } |
| |
| final Drawable drawable = mContext.getDrawable( |
| WifiUtils.getInternetIconResource(wifiSliceItem.getLevel(), |
| wifiSliceItem.shouldShowXLevelIcon())); |
| drawable.setTint(tint); |
| return Utils.createIconWithDrawable(drawable); |
| } |
| |
| protected IconCompat getEndIcon(WifiSliceItem wifiSliceItem) { |
| if (wifiSliceItem.getConnectedState() != WifiEntry.CONNECTED_STATE_DISCONNECTED) { |
| return IconCompat.createWithResource(mContext, R.drawable.ic_settings_24dp); |
| } |
| |
| if (wifiSliceItem.getSecurity() != WifiEntry.SECURITY_NONE) { |
| return IconCompat.createWithResource(mContext, R.drawable.ic_friction_lock_closed); |
| } |
| return null; |
| } |
| |
| protected SliceAction getWifiEntryAction(WifiSliceItem wifiSliceItem, IconCompat icon, |
| CharSequence title) { |
| final int requestCode = wifiSliceItem.getKey().hashCode(); |
| |
| if (wifiSliceItem.getConnectedState() != WifiEntry.CONNECTED_STATE_DISCONNECTED) { |
| final Bundle bundle = new Bundle(); |
| bundle.putString(WifiNetworkDetailsFragment.KEY_CHOSEN_WIFIENTRY_KEY, |
| wifiSliceItem.getKey()); |
| final Intent intent = new SubSettingLauncher(mContext) |
| .setTitleRes(R.string.pref_title_network_details) |
| .setDestination(WifiNetworkDetailsFragment.class.getName()) |
| .setArguments(bundle) |
| .setSourceMetricsCategory(SettingsEnums.WIFI) |
| .toIntent(); |
| return getActivityAction(requestCode, intent, icon, title); |
| } |
| |
| if (wifiSliceItem.shouldEditBeforeConnect()) { |
| final Intent intent = new Intent(mContext, WifiDialogActivity.class) |
| .putExtra(WifiDialogActivity.KEY_CHOSEN_WIFIENTRY_KEY, wifiSliceItem.getKey()); |
| return getActivityAction(requestCode, intent, icon, title); |
| } |
| |
| final Intent intent = new Intent(mContext, ConnectToWifiHandler.class) |
| .putExtra(ConnectToWifiHandler.KEY_CHOSEN_WIFIENTRY_KEY, wifiSliceItem.getKey()) |
| .putExtra(ConnectToWifiHandler.KEY_WIFI_SLICE_URI, getUri()); |
| return getBroadcastAction(requestCode, intent, icon, title); |
| } |
| |
| private SliceAction getActivityAction(int requestCode, Intent intent, IconCompat icon, |
| CharSequence title) { |
| final PendingIntent pi = PendingIntent.getActivity(mContext, requestCode, intent, |
| PendingIntent.FLAG_IMMUTABLE /* flags */); |
| return SliceAction.createDeeplink(pi, icon, ListBuilder.ICON_IMAGE, title); |
| } |
| |
| private SliceAction getBroadcastAction(int requestCode, Intent intent, IconCompat icon, |
| CharSequence title) { |
| intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| final PendingIntent pi = PendingIntent.getBroadcast(mContext, requestCode, intent, |
| PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE); |
| return SliceAction.create(pi, icon, ListBuilder.ICON_IMAGE, title); |
| } |
| |
| private ListBuilder.RowBuilder getLoadingRow(CharSequence placeholder) { |
| final CharSequence title = mContext.getText(R.string.wifi_empty_list_wifi_on); |
| |
| // for aligning to the Wi-Fi AP's name |
| final IconCompat emptyIcon = Utils.createIconWithDrawable( |
| new ColorDrawable(Color.TRANSPARENT)); |
| |
| return new ListBuilder.RowBuilder() |
| .setTitleItem(emptyIcon, ListBuilder.ICON_IMAGE) |
| .setTitle(placeholder) |
| .setSubtitle(title); |
| } |
| |
| /** |
| * Update the current wifi status to the boolean value keyed by |
| * {@link android.app.slice.Slice#EXTRA_TOGGLE_STATE} on {@param intent}. |
| */ |
| @Override |
| public void onNotifyChange(Intent intent) { |
| final boolean newState = intent.getBooleanExtra(EXTRA_TOGGLE_STATE, |
| mWifiManager.isWifiEnabled()); |
| mWifiManager.setWifiEnabled(newState); |
| // Do not notifyChange on Uri. The service takes longer to update the current value than it |
| // does for the Slice to check the current value again. Let {@link WifiScanWorker} |
| // handle it. |
| } |
| |
| @Override |
| public Intent getIntent() { |
| final String screenTitle = mContext.getText(R.string.wifi_settings).toString(); |
| final Uri contentUri = new Uri.Builder().appendPath(KEY_WIFI).build(); |
| final String className = NetworkProviderSettings.class.getName(); |
| final String key = WifiSwitchPreferenceController.KEY; |
| |
| final Intent intent = SliceBuilderUtils.buildSearchResultPageIntent(mContext, className, |
| key, screenTitle, SettingsEnums.DIALOG_WIFI_AP_EDIT, this) |
| .setClassName(mContext.getPackageName(), SubSettings.class.getName()) |
| .setData(contentUri); |
| |
| return intent; |
| } |
| |
| @Override |
| public int getSliceHighlightMenuRes() { |
| return R.string.menu_key_network; |
| } |
| |
| private boolean isWifiEnabled() { |
| switch (mWifiManager.getWifiState()) { |
| case WifiManager.WIFI_STATE_ENABLED: |
| case WifiManager.WIFI_STATE_ENABLING: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| private PendingIntent getPrimaryAction() { |
| final Intent intent = getIntent(); |
| return PendingIntent.getActivity(mContext, 0 /* requestCode */, |
| intent, PendingIntent.FLAG_IMMUTABLE /* flags */); |
| } |
| |
| private Set<String> getKeywords() { |
| final String keywords = mContext.getString(R.string.keywords_wifi); |
| return Arrays.asList(TextUtils.split(keywords, ",")) |
| .stream() |
| .map(String::trim) |
| .collect(Collectors.toSet()); |
| } |
| |
| @Override |
| public Class getBackgroundWorkerClass() { |
| return WifiScanWorker.class; |
| } |
| |
| @VisibleForTesting |
| static class WifiRestriction { |
| public boolean isChangeWifiStateAllowed(@Nullable Context context) { |
| if (context == null) return true; |
| return WifiEnterpriseRestrictionUtils.isChangeWifiStateAllowed(context); |
| } |
| } |
| } |