| /* |
| * Copyright (C) 2017 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.settingslib.suggestions; |
| |
| import android.Manifest; |
| import android.accounts.Account; |
| import android.accounts.AccountManager; |
| import android.annotation.RequiresPermission; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.SharedPreferences; |
| import android.content.pm.PackageManager; |
| import android.content.pm.UserInfo; |
| import android.content.res.Resources; |
| import android.net.ConnectivityManager; |
| import android.net.NetworkInfo; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import android.support.annotation.VisibleForTesting; |
| import android.text.TextUtils; |
| import android.text.format.DateUtils; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.util.Pair; |
| import android.util.Xml; |
| import android.view.InflateException; |
| |
| import com.android.settingslib.drawer.Tile; |
| import com.android.settingslib.drawer.TileUtils; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| |
| public class SuggestionParser { |
| |
| private static final String TAG = "SuggestionParser"; |
| |
| // If defined, only returns this suggestion if the feature is supported. |
| public static final String META_DATA_REQUIRE_FEATURE = "com.android.settings.require_feature"; |
| |
| // If defined, only display this optional step if an account of that type exists. |
| private static final String META_DATA_REQUIRE_ACCOUNT = "com.android.settings.require_account"; |
| |
| // If defined and not true, do not should optional step. |
| private static final String META_DATA_IS_SUPPORTED = "com.android.settings.is_supported"; |
| |
| // If defined, only display this optional step if the current user is of that type. |
| private static final String META_DATA_REQUIRE_USER_TYPE = |
| "com.android.settings.require_user_type"; |
| |
| // If defined, only display this optional step if a connection is available. |
| private static final String META_DATA_IS_CONNECTION_REQUIRED = |
| "com.android.settings.require_connection"; |
| |
| // The valid values that setup wizard recognizes for differentiating user types. |
| private static final String META_DATA_PRIMARY_USER_TYPE_VALUE = "primary"; |
| private static final String META_DATA_ADMIN_USER_TYPE_VALUE = "admin"; |
| private static final String META_DATA_GUEST_USER_TYPE_VALUE = "guest"; |
| private static final String META_DATA_RESTRICTED_USER_TYPE_VALUE = "restricted"; |
| |
| /** |
| * Allows suggestions to appear after a certain number of days, and to re-appear if dismissed. |
| * For instance: |
| * 0,10 |
| * Will appear immediately, but if the user removes it, it will come back after 10 days. |
| * |
| * Another example: |
| * 10,30 |
| * Will only show up after 10 days, and then again after 30. |
| */ |
| public static final String META_DATA_DISMISS_CONTROL = "com.android.settings.dismiss"; |
| |
| // Shared prefs keys for storing dismissed state. |
| // Index into current dismissed state. |
| private static final String DISMISS_INDEX = "_dismiss_index"; |
| private static final String SETUP_TIME = "_setup_time"; |
| private static final String IS_DISMISSED = "_is_dismissed"; |
| |
| private static final long MILLIS_IN_DAY = 24 * 60 * 60 * 1000; |
| |
| // Default dismiss control for smart suggestions. |
| private static final String DEFAULT_SMART_DISMISS_CONTROL = "0,10"; |
| |
| private final Context mContext; |
| private final List<SuggestionCategory> mSuggestionList; |
| private final ArrayMap<Pair<String, String>, Tile> mAddCache = new ArrayMap<>(); |
| private final SharedPreferences mSharedPrefs; |
| private final String mSmartDismissControl; |
| |
| |
| public SuggestionParser(Context context, SharedPreferences sharedPrefs, int orderXml, |
| String smartDismissControl) { |
| this( |
| context, |
| sharedPrefs, |
| (List<SuggestionCategory>) new SuggestionOrderInflater(context).parse(orderXml), |
| smartDismissControl); |
| } |
| |
| public SuggestionParser(Context context, SharedPreferences sharedPrefs, int orderXml) { |
| this(context, sharedPrefs, orderXml, DEFAULT_SMART_DISMISS_CONTROL); |
| } |
| |
| @VisibleForTesting |
| public SuggestionParser( |
| Context context, |
| SharedPreferences sharedPrefs, |
| List<SuggestionCategory> suggestionList, |
| String smartDismissControl) { |
| mContext = context; |
| mSuggestionList = suggestionList; |
| mSharedPrefs = sharedPrefs; |
| mSmartDismissControl = smartDismissControl; |
| } |
| |
| public SuggestionList getSuggestions(boolean isSmartSuggestionEnabled) { |
| final SuggestionList suggestionList = new SuggestionList(); |
| final int N = mSuggestionList.size(); |
| for (int i = 0; i < N; i++) { |
| final SuggestionCategory category = mSuggestionList.get(i); |
| if (category.exclusive && !isExclusiveCategoryExpired(category)) { |
| // If suggestions from an exclusive category are present, parsing is stopped |
| // and only suggestions from that category are displayed. Note that subsequent |
| // exclusive categories are also ignored. |
| final List<Tile> exclusiveSuggestions = new ArrayList<>(); |
| |
| // Read suggestion and force isSmartSuggestion to be false so the rule defined |
| // from each suggestion itself is used. |
| readSuggestions(category, exclusiveSuggestions, false /* isSmartSuggestion */); |
| if (!exclusiveSuggestions.isEmpty()) { |
| final SuggestionList exclusiveList = new SuggestionList(); |
| exclusiveList.addSuggestions(category, exclusiveSuggestions); |
| return exclusiveList; |
| } |
| } else { |
| // Either the category is not exclusive, or the exclusiveness expired so we should |
| // treat it as a normal category. |
| final List<Tile> suggestions = new ArrayList<>(); |
| readSuggestions(category, suggestions, isSmartSuggestionEnabled); |
| suggestionList.addSuggestions(category, suggestions); |
| } |
| } |
| return suggestionList; |
| } |
| |
| public boolean dismissSuggestion(Tile suggestion) { |
| return dismissSuggestion(suggestion, false); |
| } |
| |
| /** |
| * Dismisses a suggestion, returns true if the suggestion has no more dismisses left and should |
| * be disabled. |
| */ |
| public boolean dismissSuggestion(Tile suggestion, boolean isSmartSuggestionEnabled) { |
| String keyBase = suggestion.intent.getComponent().flattenToShortString(); |
| int index = mSharedPrefs.getInt(keyBase + DISMISS_INDEX, 0); |
| String dismissControl = getDismissControl(suggestion, isSmartSuggestionEnabled); |
| if (dismissControl == null || parseDismissString(dismissControl).length == index) { |
| return true; |
| } |
| mSharedPrefs.edit() |
| .putBoolean(keyBase + IS_DISMISSED, true) |
| .commit(); |
| return false; |
| } |
| |
| @VisibleForTesting |
| public void filterSuggestions( |
| List<Tile> suggestions, int countBefore, boolean isSmartSuggestionEnabled) { |
| for (int i = countBefore; i < suggestions.size(); i++) { |
| if (!isAvailable(suggestions.get(i)) || |
| !isSupported(suggestions.get(i)) || |
| !satisifesRequiredUserType(suggestions.get(i)) || |
| !satisfiesRequiredAccount(suggestions.get(i)) || |
| !satisfiesConnectivity(suggestions.get(i)) || |
| isDismissed(suggestions.get(i), isSmartSuggestionEnabled)) { |
| suggestions.remove(i--); |
| } |
| } |
| } |
| |
| @VisibleForTesting |
| void readSuggestions( |
| SuggestionCategory category, List<Tile> suggestions, boolean isSmartSuggestionEnabled) { |
| int countBefore = suggestions.size(); |
| Intent intent = new Intent(Intent.ACTION_MAIN); |
| intent.addCategory(category.category); |
| if (category.pkg != null) { |
| intent.setPackage(category.pkg); |
| } |
| TileUtils.getTilesForIntent(mContext, new UserHandle(UserHandle.myUserId()), intent, |
| mAddCache, null, suggestions, true, false); |
| filterSuggestions(suggestions, countBefore, isSmartSuggestionEnabled); |
| if (!category.multiple && suggestions.size() > (countBefore + 1)) { |
| // If there are too many, remove them all and only re-add the one with the highest |
| // priority. |
| Tile item = suggestions.remove(suggestions.size() - 1); |
| while (suggestions.size() > countBefore) { |
| Tile last = suggestions.remove(suggestions.size() - 1); |
| if (last.priority > item.priority) { |
| item = last; |
| } |
| } |
| // If category is marked as done, do not add any item. |
| if (!isCategoryDone(category.category)) { |
| suggestions.add(item); |
| } |
| } |
| } |
| |
| private boolean isAvailable(Tile suggestion) { |
| final String featuresRequired = suggestion.metaData.getString(META_DATA_REQUIRE_FEATURE); |
| if (featuresRequired != null) { |
| for (String feature : featuresRequired.split(",")) { |
| if (TextUtils.isEmpty(feature)) { |
| Log.w(TAG, "Found empty substring when parsing required features: " |
| + featuresRequired); |
| } else if (!mContext.getPackageManager().hasSystemFeature(feature)) { |
| Log.i(TAG, suggestion.title + " requires unavailable feature " + feature); |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| @RequiresPermission(Manifest.permission.MANAGE_USERS) |
| private boolean satisifesRequiredUserType(Tile suggestion) { |
| final String requiredUser = suggestion.metaData.getString(META_DATA_REQUIRE_USER_TYPE); |
| if (requiredUser != null) { |
| final UserManager userManager = mContext.getSystemService(UserManager.class); |
| UserInfo userInfo = userManager.getUserInfo(UserHandle.myUserId()); |
| for (String userType : requiredUser.split("\\|")) { |
| final boolean primaryUserCondtionMet = userInfo.isPrimary() |
| && META_DATA_PRIMARY_USER_TYPE_VALUE.equals(userType); |
| final boolean adminUserConditionMet = userInfo.isAdmin() |
| && META_DATA_ADMIN_USER_TYPE_VALUE.equals(userType); |
| final boolean guestUserCondtionMet = userInfo.isGuest() |
| && META_DATA_GUEST_USER_TYPE_VALUE.equals(userType); |
| final boolean restrictedUserCondtionMet = userInfo.isRestricted() |
| && META_DATA_RESTRICTED_USER_TYPE_VALUE.equals(userType); |
| if (primaryUserCondtionMet || adminUserConditionMet || guestUserCondtionMet |
| || restrictedUserCondtionMet) { |
| return true; |
| } |
| } |
| Log.i(TAG, suggestion.title + " requires user type " + requiredUser); |
| return false; |
| } |
| return true; |
| } |
| |
| public boolean satisfiesRequiredAccount(Tile suggestion) { |
| final String requiredAccountType = suggestion.metaData.getString(META_DATA_REQUIRE_ACCOUNT); |
| if (requiredAccountType == null) { |
| return true; |
| } |
| AccountManager accountManager = AccountManager.get(mContext); |
| Account[] accounts = accountManager.getAccountsByType(requiredAccountType); |
| boolean satisfiesRequiredAccount = accounts.length > 0; |
| if (!satisfiesRequiredAccount) { |
| Log.i(TAG, suggestion.title + " requires unavailable account type " |
| + requiredAccountType); |
| } |
| return satisfiesRequiredAccount; |
| } |
| |
| public boolean isSupported(Tile suggestion) { |
| final int isSupportedResource = suggestion.metaData.getInt(META_DATA_IS_SUPPORTED); |
| try { |
| if (suggestion.intent == null) { |
| return false; |
| } |
| final Resources res = mContext.getPackageManager().getResourcesForActivity( |
| suggestion.intent.getComponent()); |
| boolean isSupported = |
| isSupportedResource != 0 ? res.getBoolean(isSupportedResource) : true; |
| if (!isSupported) { |
| Log.i(TAG, suggestion.title + " requires unsupported resource " |
| + isSupportedResource); |
| } |
| return isSupported; |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.w(TAG, "Cannot find resources for " + suggestion.intent.getComponent()); |
| return false; |
| } catch (Resources.NotFoundException e) { |
| Log.w(TAG, "Cannot find resources for " + suggestion.intent.getComponent(), e); |
| return false; |
| } |
| } |
| |
| private boolean satisfiesConnectivity(Tile suggestion) { |
| final boolean isConnectionRequired = |
| suggestion.metaData.getBoolean(META_DATA_IS_CONNECTION_REQUIRED); |
| if (!isConnectionRequired) { |
| return true; |
| } |
| ConnectivityManager cm = |
| (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE); |
| NetworkInfo netInfo = cm.getActiveNetworkInfo(); |
| boolean satisfiesConnectivity = netInfo != null && netInfo.isConnectedOrConnecting(); |
| if (!satisfiesConnectivity) { |
| Log.i(TAG, suggestion.title + " is missing required connection."); |
| } |
| return satisfiesConnectivity; |
| } |
| |
| public boolean isCategoryDone(String category) { |
| String name = Settings.Secure.COMPLETED_CATEGORY_PREFIX + category; |
| return Settings.Secure.getInt(mContext.getContentResolver(), name, 0) != 0; |
| } |
| |
| public void markCategoryDone(String category) { |
| String name = Settings.Secure.COMPLETED_CATEGORY_PREFIX + category; |
| Settings.Secure.putInt(mContext.getContentResolver(), name, 1); |
| } |
| |
| /** |
| * Whether or not the category's exclusiveness has expired. |
| */ |
| private boolean isExclusiveCategoryExpired(SuggestionCategory category) { |
| final String keySetupTime = category.category + SETUP_TIME; |
| final long currentTime = System.currentTimeMillis(); |
| if (!mSharedPrefs.contains(keySetupTime)) { |
| mSharedPrefs.edit() |
| .putLong(keySetupTime, currentTime) |
| .commit(); |
| } |
| if (category.exclusiveExpireDaysInMillis < 0) { |
| // negative means never expires |
| return false; |
| } |
| final long setupTime = mSharedPrefs.getLong(keySetupTime, 0); |
| return currentTime - setupTime > category.exclusiveExpireDaysInMillis; |
| } |
| |
| private boolean isDismissed(Tile suggestion, boolean isSmartSuggestionEnabled) { |
| String dismissControl = getDismissControl(suggestion, isSmartSuggestionEnabled); |
| if (dismissControl == null) { |
| return false; |
| } |
| String keyBase = suggestion.intent.getComponent().flattenToShortString(); |
| if (!mSharedPrefs.contains(keyBase + SETUP_TIME)) { |
| mSharedPrefs.edit() |
| .putLong(keyBase + SETUP_TIME, System.currentTimeMillis()) |
| .commit(); |
| } |
| // Default to dismissed, so that we can have suggestions that only first appear after |
| // some number of days. |
| if (!mSharedPrefs.getBoolean(keyBase + IS_DISMISSED, true)) { |
| return false; |
| } |
| int index = mSharedPrefs.getInt(keyBase + DISMISS_INDEX, 0); |
| int currentDismiss = parseDismissString(dismissControl)[index]; |
| long time = getEndTime(mSharedPrefs.getLong(keyBase + SETUP_TIME, 0), currentDismiss); |
| if (System.currentTimeMillis() >= time) { |
| // Dismiss timeout has passed, undismiss it. |
| mSharedPrefs.edit() |
| .putBoolean(keyBase + IS_DISMISSED, false) |
| .putInt(keyBase + DISMISS_INDEX, index + 1) |
| .commit(); |
| return false; |
| } |
| return true; |
| } |
| |
| private long getEndTime(long startTime, int daysDelay) { |
| long days = daysDelay * MILLIS_IN_DAY; |
| return startTime + days; |
| } |
| |
| private int[] parseDismissString(String dismissControl) { |
| String[] dismissStrs = dismissControl.split(","); |
| int[] dismisses = new int[dismissStrs.length]; |
| for (int i = 0; i < dismissStrs.length; i++) { |
| dismisses[i] = Integer.parseInt(dismissStrs[i]); |
| } |
| return dismisses; |
| } |
| |
| private String getDismissControl(Tile suggestion, boolean isSmartSuggestionEnabled) { |
| if (isSmartSuggestionEnabled) { |
| return mSmartDismissControl; |
| } else { |
| return suggestion.metaData.getString(META_DATA_DISMISS_CONTROL); |
| } |
| } |
| |
| private static class SuggestionOrderInflater { |
| private static final String TAG_LIST = "optional-steps"; |
| private static final String TAG_ITEM = "step"; |
| |
| private static final String ATTR_CATEGORY = "category"; |
| private static final String ATTR_PACKAGE = "package"; |
| private static final String ATTR_MULTIPLE = "multiple"; |
| private static final String ATTR_EXCLUSIVE = "exclusive"; |
| private static final String ATTR_EXCLUSIVE_EXPIRE_DAYS = "exclusiveExpireDays"; |
| |
| private final Context mContext; |
| |
| public SuggestionOrderInflater(Context context) { |
| mContext = context; |
| } |
| |
| public Object parse(int resource) { |
| XmlPullParser parser = mContext.getResources().getXml(resource); |
| final AttributeSet attrs = Xml.asAttributeSet(parser); |
| try { |
| // Look for the root node. |
| int type; |
| do { |
| type = parser.next(); |
| } while (type != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT); |
| |
| if (type != XmlPullParser.START_TAG) { |
| throw new InflateException(parser.getPositionDescription() |
| + ": No start tag found!"); |
| } |
| |
| // Temp is the root that was found in the xml |
| Object xmlRoot = onCreateItem(parser.getName(), attrs); |
| |
| // Inflate all children under temp |
| rParse(parser, xmlRoot, attrs); |
| return xmlRoot; |
| } catch (XmlPullParserException | IOException e) { |
| Log.w(TAG, "Problem parser resource " + resource, e); |
| return null; |
| } |
| } |
| |
| /** |
| * Recursive method used to descend down the xml hierarchy and instantiate |
| * items, instantiate their children. |
| */ |
| private void rParse(XmlPullParser parser, Object parent, final AttributeSet attrs) |
| throws XmlPullParserException, IOException { |
| final int depth = parser.getDepth(); |
| |
| int type; |
| while (((type = parser.next()) != XmlPullParser.END_TAG || |
| parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { |
| if (type != XmlPullParser.START_TAG) { |
| continue; |
| } |
| |
| final String name = parser.getName(); |
| |
| Object item = onCreateItem(name, attrs); |
| onAddChildItem(parent, item); |
| rParse(parser, item, attrs); |
| } |
| } |
| |
| protected void onAddChildItem(Object parent, Object child) { |
| if (parent instanceof List<?> && child instanceof SuggestionCategory) { |
| ((List<SuggestionCategory>) parent).add((SuggestionCategory) child); |
| } else { |
| throw new IllegalArgumentException("Parent was not a list"); |
| } |
| } |
| |
| protected Object onCreateItem(String name, AttributeSet attrs) { |
| if (name.equals(TAG_LIST)) { |
| return new ArrayList<SuggestionCategory>(); |
| } else if (name.equals(TAG_ITEM)) { |
| SuggestionCategory category = new SuggestionCategory(); |
| category.category = attrs.getAttributeValue(null, ATTR_CATEGORY); |
| category.pkg = attrs.getAttributeValue(null, ATTR_PACKAGE); |
| String multiple = attrs.getAttributeValue(null, ATTR_MULTIPLE); |
| category.multiple = !TextUtils.isEmpty(multiple) && Boolean.parseBoolean(multiple); |
| String exclusive = attrs.getAttributeValue(null, ATTR_EXCLUSIVE); |
| category.exclusive = |
| !TextUtils.isEmpty(exclusive) && Boolean.parseBoolean(exclusive); |
| String expireDaysAttr = attrs.getAttributeValue(null, |
| ATTR_EXCLUSIVE_EXPIRE_DAYS); |
| long expireDays = !TextUtils.isEmpty(expireDaysAttr) |
| ? Integer.parseInt(expireDaysAttr) |
| : -1; |
| category.exclusiveExpireDaysInMillis = DateUtils.DAY_IN_MILLIS * expireDays; |
| return category; |
| } else { |
| throw new IllegalArgumentException("Unknown item " + name); |
| } |
| } |
| } |
| } |
| |