| /* |
| * Copyright (C) 2019 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.systemui.statusbar.policy; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.app.Notification; |
| import android.app.RemoteInput; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ResolveInfo; |
| import android.os.Build; |
| import android.util.Log; |
| import android.util.Pair; |
| import android.widget.Button; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.util.ArrayUtils; |
| import com.android.systemui.Dependency; |
| import com.android.systemui.shared.system.ActivityManagerWrapper; |
| import com.android.systemui.shared.system.DevicePolicyManagerWrapper; |
| import com.android.systemui.shared.system.PackageManagerWrapper; |
| import com.android.systemui.statusbar.NotificationUiAdjustment; |
| import com.android.systemui.statusbar.SmartReplyController; |
| import com.android.systemui.statusbar.notification.collection.NotificationEntry; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Holder for inflated smart replies and actions. These objects should be inflated on a background |
| * thread, to later be accessed and modified on the (performance critical) UI thread. |
| */ |
| public class InflatedSmartReplies { |
| private static final String TAG = "InflatedSmartReplies"; |
| private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); |
| @Nullable private final SmartReplyView mSmartReplyView; |
| @Nullable private final List<Button> mSmartSuggestionButtons; |
| @NonNull private final SmartRepliesAndActions mSmartRepliesAndActions; |
| |
| private InflatedSmartReplies( |
| @Nullable SmartReplyView smartReplyView, |
| @Nullable List<Button> smartSuggestionButtons, |
| @NonNull SmartRepliesAndActions smartRepliesAndActions) { |
| mSmartReplyView = smartReplyView; |
| mSmartSuggestionButtons = smartSuggestionButtons; |
| mSmartRepliesAndActions = smartRepliesAndActions; |
| } |
| |
| @Nullable public SmartReplyView getSmartReplyView() { |
| return mSmartReplyView; |
| } |
| |
| @Nullable public List<Button> getSmartSuggestionButtons() { |
| return mSmartSuggestionButtons; |
| } |
| |
| @NonNull public SmartRepliesAndActions getSmartRepliesAndActions() { |
| return mSmartRepliesAndActions; |
| } |
| |
| /** |
| * Inflate a SmartReplyView and its smart suggestions. |
| */ |
| public static InflatedSmartReplies inflate( |
| Context context, |
| Context packageContext, |
| NotificationEntry entry, |
| SmartReplyConstants smartReplyConstants, |
| SmartReplyController smartReplyController, |
| HeadsUpManager headsUpManager, |
| SmartRepliesAndActions existingSmartRepliesAndActions) { |
| SmartRepliesAndActions newSmartRepliesAndActions = |
| chooseSmartRepliesAndActions(smartReplyConstants, entry); |
| if (!shouldShowSmartReplyView(entry, newSmartRepliesAndActions)) { |
| return new InflatedSmartReplies(null /* smartReplyView */, |
| null /* smartSuggestionButtons */, newSmartRepliesAndActions); |
| } |
| |
| // Only block clicks if the smart buttons are different from the previous set - to avoid |
| // scenarios where a user incorrectly cannot click smart buttons because the notification is |
| // updated. |
| boolean delayOnClickListener = |
| !areSuggestionsSimilar(existingSmartRepliesAndActions, newSmartRepliesAndActions); |
| |
| SmartReplyView smartReplyView = SmartReplyView.inflate(context); |
| |
| List<Button> suggestionButtons = new ArrayList<>(); |
| if (newSmartRepliesAndActions.smartReplies != null) { |
| suggestionButtons.addAll(smartReplyView.inflateRepliesFromRemoteInput( |
| newSmartRepliesAndActions.smartReplies, smartReplyController, entry, |
| delayOnClickListener)); |
| } |
| if (newSmartRepliesAndActions.smartActions != null) { |
| suggestionButtons.addAll( |
| smartReplyView.inflateSmartActions(packageContext, |
| newSmartRepliesAndActions.smartActions, smartReplyController, entry, |
| headsUpManager, delayOnClickListener)); |
| } |
| |
| return new InflatedSmartReplies(smartReplyView, suggestionButtons, |
| newSmartRepliesAndActions); |
| } |
| |
| @VisibleForTesting |
| static boolean areSuggestionsSimilar( |
| SmartRepliesAndActions left, SmartRepliesAndActions right) { |
| if (left == right) return true; |
| if (left == null || right == null) return false; |
| |
| if (!Arrays.equals(left.getSmartReplies(), right.getSmartReplies())) { |
| return false; |
| } |
| |
| return !NotificationUiAdjustment.areDifferent( |
| left.getSmartActions(), right.getSmartActions()); |
| } |
| |
| /** |
| * Returns whether we should show the smart reply view and its smart suggestions. |
| */ |
| public static boolean shouldShowSmartReplyView( |
| NotificationEntry entry, |
| SmartRepliesAndActions smartRepliesAndActions) { |
| if (smartRepliesAndActions.smartReplies == null |
| && smartRepliesAndActions.smartActions == null) { |
| // There are no smart replies and no smart actions. |
| return false; |
| } |
| // If we are showing the spinner we don't want to add the buttons. |
| boolean showingSpinner = entry.notification.getNotification() |
| .extras.getBoolean(Notification.EXTRA_SHOW_REMOTE_INPUT_SPINNER, false); |
| if (showingSpinner) { |
| return false; |
| } |
| // If we are keeping the notification around while sending we don't want to add the buttons. |
| boolean hideSmartReplies = entry.notification.getNotification() |
| .extras.getBoolean(Notification.EXTRA_HIDE_SMART_REPLIES, false); |
| if (hideSmartReplies) { |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Chose what smart replies and smart actions to display. App generated suggestions take |
| * precedence. So if the app provides any smart replies, we don't show any |
| * replies or actions generated by the NotificationAssistantService (NAS), and if the app |
| * provides any smart actions we also don't show any NAS-generated replies or actions. |
| */ |
| @NonNull |
| public static SmartRepliesAndActions chooseSmartRepliesAndActions( |
| SmartReplyConstants smartReplyConstants, |
| final NotificationEntry entry) { |
| Notification notification = entry.notification.getNotification(); |
| Pair<RemoteInput, Notification.Action> remoteInputActionPair = |
| notification.findRemoteInputActionPair(false /* freeform */); |
| Pair<RemoteInput, Notification.Action> freeformRemoteInputActionPair = |
| notification.findRemoteInputActionPair(true /* freeform */); |
| |
| if (!smartReplyConstants.isEnabled()) { |
| if (DEBUG) { |
| Log.d(TAG, "Smart suggestions not enabled, not adding suggestions for " |
| + entry.notification.getKey()); |
| } |
| return new SmartRepliesAndActions(null, null); |
| } |
| // Only use smart replies from the app if they target P or above. We have this check because |
| // the smart reply API has been used for other things (Wearables) in the past. The API to |
| // add smart actions is new in Q so it doesn't require a target-sdk check. |
| boolean enableAppGeneratedSmartReplies = (!smartReplyConstants.requiresTargetingP() |
| || entry.targetSdk >= Build.VERSION_CODES.P); |
| |
| boolean appGeneratedSmartRepliesExist = |
| enableAppGeneratedSmartReplies |
| && remoteInputActionPair != null |
| && !ArrayUtils.isEmpty(remoteInputActionPair.first.getChoices()) |
| && remoteInputActionPair.second.actionIntent != null; |
| |
| List<Notification.Action> appGeneratedSmartActions = notification.getContextualActions(); |
| boolean appGeneratedSmartActionsExist = !appGeneratedSmartActions.isEmpty(); |
| |
| SmartReplyView.SmartReplies smartReplies = null; |
| SmartReplyView.SmartActions smartActions = null; |
| if (appGeneratedSmartRepliesExist) { |
| smartReplies = new SmartReplyView.SmartReplies( |
| remoteInputActionPair.first.getChoices(), |
| remoteInputActionPair.first, |
| remoteInputActionPair.second.actionIntent, |
| false /* fromAssistant */); |
| } |
| if (appGeneratedSmartActionsExist) { |
| smartActions = new SmartReplyView.SmartActions(appGeneratedSmartActions, |
| false /* fromAssistant */); |
| } |
| // Apps didn't provide any smart replies / actions, use those from NAS (if any). |
| if (!appGeneratedSmartRepliesExist && !appGeneratedSmartActionsExist) { |
| boolean useGeneratedReplies = !ArrayUtils.isEmpty(entry.systemGeneratedSmartReplies) |
| && freeformRemoteInputActionPair != null |
| && freeformRemoteInputActionPair.second.getAllowGeneratedReplies() |
| && freeformRemoteInputActionPair.second.actionIntent != null; |
| if (useGeneratedReplies) { |
| smartReplies = new SmartReplyView.SmartReplies( |
| entry.systemGeneratedSmartReplies, |
| freeformRemoteInputActionPair.first, |
| freeformRemoteInputActionPair.second.actionIntent, |
| true /* fromAssistant */); |
| } |
| boolean useSmartActions = !ArrayUtils.isEmpty(entry.systemGeneratedSmartActions) |
| && notification.getAllowSystemGeneratedContextualActions(); |
| if (useSmartActions) { |
| List<Notification.Action> systemGeneratedActions = |
| entry.systemGeneratedSmartActions; |
| // Filter actions if we're in kiosk-mode - we don't care about screen pinning mode, |
| // since notifications aren't shown there anyway. |
| ActivityManagerWrapper activityManagerWrapper = |
| Dependency.get(ActivityManagerWrapper.class); |
| if (activityManagerWrapper.isLockTaskKioskModeActive()) { |
| systemGeneratedActions = filterWhiteListedLockTaskApps(systemGeneratedActions); |
| } |
| smartActions = new SmartReplyView.SmartActions( |
| systemGeneratedActions, true /* fromAssistant */); |
| } |
| } |
| return new SmartRepliesAndActions(smartReplies, smartActions); |
| } |
| |
| /** |
| * Filter actions so that only actions pointing to whitelisted apps are allowed. |
| * This filtering is only meaningful when in lock-task mode. |
| */ |
| private static List<Notification.Action> filterWhiteListedLockTaskApps( |
| List<Notification.Action> actions) { |
| PackageManagerWrapper packageManagerWrapper = Dependency.get(PackageManagerWrapper.class); |
| DevicePolicyManagerWrapper devicePolicyManagerWrapper = |
| Dependency.get(DevicePolicyManagerWrapper.class); |
| List<Notification.Action> filteredActions = new ArrayList<>(); |
| for (Notification.Action action : actions) { |
| if (action.actionIntent == null) continue; |
| Intent intent = action.actionIntent.getIntent(); |
| // Only allow actions that are explicit (implicit intents are not handled in lock-task |
| // mode), and link to whitelisted apps. |
| ResolveInfo resolveInfo = packageManagerWrapper.resolveActivity(intent, 0 /* flags */); |
| if (resolveInfo != null && devicePolicyManagerWrapper.isLockTaskPermitted( |
| resolveInfo.activityInfo.packageName)) { |
| filteredActions.add(action); |
| } |
| } |
| return filteredActions; |
| } |
| |
| /** |
| * Returns whether the {@link Notification} represented by entry has a free-form remote input. |
| * Such an input can be used e.g. to implement smart reply buttons - by passing the replies |
| * through the remote input. |
| */ |
| public static boolean hasFreeformRemoteInput(NotificationEntry entry) { |
| Notification notification = entry.notification.getNotification(); |
| return null != notification.findRemoteInputActionPair(true /* freeform */); |
| } |
| |
| /** |
| * A storage for smart replies and smart action. |
| */ |
| public static class SmartRepliesAndActions { |
| @Nullable public final SmartReplyView.SmartReplies smartReplies; |
| @Nullable public final SmartReplyView.SmartActions smartActions; |
| |
| SmartRepliesAndActions( |
| @Nullable SmartReplyView.SmartReplies smartReplies, |
| @Nullable SmartReplyView.SmartActions smartActions) { |
| this.smartReplies = smartReplies; |
| this.smartActions = smartActions; |
| } |
| |
| @NonNull public CharSequence[] getSmartReplies() { |
| return smartReplies == null ? new CharSequence[0] : smartReplies.choices; |
| } |
| |
| @NonNull public List<Notification.Action> getSmartActions() { |
| return smartActions == null ? Collections.emptyList() : smartActions.actions; |
| } |
| } |
| } |