src/com/android/launcher3/popup/PopupDataProvider.java - platform/packages/apps/Launcher3 - Git at Google

 /*
  * 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.launcher3.popup;

 import android.content.ComponentName;
 import android.service.notification.StatusBarNotification;
 import android.util.Log;

 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;

 import com.android.launcher3.dot.DotInfo;
 import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.notification.NotificationKeyData;
 import com.android.launcher3.notification.NotificationListener;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.PackageUserKey;
 import com.android.launcher3.util.ShortcutUtil;
 import com.android.launcher3.widget.model.WidgetsListBaseEntry;
 import com.android.launcher3.widget.model.WidgetsListContentEntry;

 import java.io.PrintWriter;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 import java.util.function.Consumer;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;

 /**
  * Provides data for the popup menu that appears after long-clicking on apps.
  */
 public class PopupDataProvider implements NotificationListener.NotificationsChangedListener {

     private static final boolean LOGD = false;
     private static final String TAG = "PopupDataProvider";

     private final Consumer<Predicate<PackageUserKey>> mNotificationDotsChangeListener;

     /** Maps launcher activity components to a count of how many shortcuts they have. */
     private HashMap<ComponentKey, Integer> mDeepShortcutMap = new HashMap<>();
     /** Maps packages to their DotInfo's . */
     private Map<PackageUserKey, DotInfo> mPackageUserToDotInfos = new HashMap<>();

     /** All installed widgets. */
     private List<WidgetsListBaseEntry> mAllWidgets = List.of();
     /** Widgets that can be recommended to the users. */
     private List<ItemInfo> mRecommendedWidgets = List.of();

     private PopupDataChangeListener mChangeListener = PopupDataChangeListener.INSTANCE;

     public PopupDataProvider(Consumer<Predicate<PackageUserKey>> notificationDotsChangeListener) {
         mNotificationDotsChangeListener = notificationDotsChangeListener;
     }

     private void updateNotificationDots(Predicate<PackageUserKey> updatedDots) {
         mNotificationDotsChangeListener.accept(updatedDots);
         mChangeListener.onNotificationDotsUpdated(updatedDots);
     }

     @Override
     public void onNotificationPosted(PackageUserKey postedPackageUserKey,
             NotificationKeyData notificationKey) {
         DotInfo dotInfo = mPackageUserToDotInfos.get(postedPackageUserKey);
         if (dotInfo == null) {
             dotInfo = new DotInfo();
             mPackageUserToDotInfos.put(postedPackageUserKey, dotInfo);
         }
         if (dotInfo.addOrUpdateNotificationKey(notificationKey)) {
             updateNotificationDots(postedPackageUserKey::equals);
         }
     }

     @Override
     public void onNotificationRemoved(PackageUserKey removedPackageUserKey,
             NotificationKeyData notificationKey) {
         DotInfo oldDotInfo = mPackageUserToDotInfos.get(removedPackageUserKey);
         if (oldDotInfo != null && oldDotInfo.removeNotificationKey(notificationKey)) {
             if (oldDotInfo.getNotificationKeys().size() == 0) {
                 mPackageUserToDotInfos.remove(removedPackageUserKey);
             }
             updateNotificationDots(removedPackageUserKey::equals);
             trimNotifications(mPackageUserToDotInfos);
         }
     }

     @Override
     public void onNotificationFullRefresh(List<StatusBarNotification> activeNotifications) {
         if (activeNotifications == null) return;
         // This will contain the PackageUserKeys which have updated dots.
         HashMap<PackageUserKey, DotInfo> updatedDots = new HashMap<>(mPackageUserToDotInfos);
         mPackageUserToDotInfos.clear();
         for (StatusBarNotification notification : activeNotifications) {
             PackageUserKey packageUserKey = PackageUserKey.fromNotification(notification);
             DotInfo dotInfo = mPackageUserToDotInfos.get(packageUserKey);
             if (dotInfo == null) {
                 dotInfo = new DotInfo();
                 mPackageUserToDotInfos.put(packageUserKey, dotInfo);
             }
             dotInfo.addOrUpdateNotificationKey(NotificationKeyData.fromNotification(notification));
         }

         // Add and remove from updatedDots so it contains the PackageUserKeys of updated dots.
         for (PackageUserKey packageUserKey : mPackageUserToDotInfos.keySet()) {
             DotInfo prevDot = updatedDots.get(packageUserKey);
             DotInfo newDot = mPackageUserToDotInfos.get(packageUserKey);
             if (prevDot == null
                     || prevDot.getNotificationCount() != newDot.getNotificationCount()) {
                 updatedDots.put(packageUserKey, newDot);
             } else {
                 // No need to update the dot if it already existed (no visual change).
                 // Note that if the dot was removed entirely, we wouldn't reach this point because
                 // this loop only includes active notifications added above.
                 updatedDots.remove(packageUserKey);
             }
         }

         if (!updatedDots.isEmpty()) {
             updateNotificationDots(updatedDots::containsKey);
         }
         trimNotifications(updatedDots);
     }

     private void trimNotifications(Map<PackageUserKey, DotInfo> updatedDots) {
         mChangeListener.trimNotifications(updatedDots);
     }

     public void setDeepShortcutMap(HashMap<ComponentKey, Integer> deepShortcutMapCopy) {
         mDeepShortcutMap = deepShortcutMapCopy;
         if (LOGD) Log.d(TAG, "bindDeepShortcutMap: " + mDeepShortcutMap);
     }

     public int getShortcutCountForItem(ItemInfo info) {
         if (!ShortcutUtil.supportsDeepShortcuts(info)) {
             return 0;
         }
         ComponentName component = info.getTargetComponent();
         if (component == null) {
             return 0;
         }

         Integer count = mDeepShortcutMap.get(new ComponentKey(component, info.user));
         return count == null ? 0 : count;
     }

     public @Nullable DotInfo getDotInfoForItem(@NonNull ItemInfo info) {
         if (!ShortcutUtil.supportsShortcuts(info)) {
             return null;
         }
         DotInfo dotInfo = mPackageUserToDotInfos.get(PackageUserKey.fromItemInfo(info));
         if (dotInfo == null) {
             return null;
         }
         List<NotificationKeyData> notifications = getNotificationsForItem(
                 info, dotInfo.getNotificationKeys());
         if (notifications.isEmpty()) {
             return null;
         }
         return dotInfo;
     }

     public @NonNull List<NotificationKeyData> getNotificationKeysForItem(ItemInfo info) {
         DotInfo dotInfo = getDotInfoForItem(info);
         return dotInfo == null ? Collections.EMPTY_LIST
                 : getNotificationsForItem(info, dotInfo.getNotificationKeys());
     }

     public void cancelNotification(String notificationKey) {
         NotificationListener notificationListener = NotificationListener.getInstanceIfConnected();
         if (notificationListener == null) {
             return;
         }
         notificationListener.cancelNotificationFromLauncher(notificationKey);
     }

     /**
      * Sets a list of recommended widgets ordered by their order of appearance in the widgets
      * recommendation UI.
      */
     public void setRecommendedWidgets(List<ItemInfo> recommendedWidgets) {
         mRecommendedWidgets = recommendedWidgets;
         mChangeListener.onRecommendedWidgetsBound();
     }

     public void setAllWidgets(List<WidgetsListBaseEntry> allWidgets) {
         mAllWidgets = allWidgets;
         mChangeListener.onWidgetsBound();
     }

     public void setChangeListener(PopupDataChangeListener listener) {
         mChangeListener = listener == null ? PopupDataChangeListener.INSTANCE : listener;
     }

     public List<WidgetsListBaseEntry> getAllWidgets() {
         return mAllWidgets;
     }

     /** Returns a list of recommended widgets. */
     public List<WidgetItem> getRecommendedWidgets() {
         HashMap<ComponentKey, WidgetItem> allWidgetItems = new HashMap<>();
         mAllWidgets.stream()
                 .filter(entry -> entry instanceof WidgetsListContentEntry)
                 .forEach(entry -> ((WidgetsListContentEntry) entry).mWidgets
                         .forEach(widget -> allWidgetItems.put(
                                 new ComponentKey(widget.componentName, widget.user), widget)));
         return mRecommendedWidgets.stream()
                 .map(recommendedWidget -> allWidgetItems.get(
                         new ComponentKey(recommendedWidget.getTargetComponent(),
                                 recommendedWidget.user)))
                 .filter(Objects::nonNull)
                 .collect(Collectors.toList());
     }

     public List<WidgetItem> getWidgetsForPackageUser(PackageUserKey packageUserKey) {
         return mAllWidgets.stream()
                 .filter(row -> row instanceof WidgetsListContentEntry
                         && row.mPkgItem.packageName.equals(packageUserKey.mPackageName))
                 .flatMap(row -> ((WidgetsListContentEntry) row).mWidgets.stream())
                 .filter(widget -> packageUserKey.mUser.equals(widget.user))
                 .collect(Collectors.toList());
     }

     /**
      * Returns a list of notifications that are relevant to given ItemInfo.
      */
     public static @NonNull List<NotificationKeyData> getNotificationsForItem(
             @NonNull ItemInfo info, @NonNull List<NotificationKeyData> notifications) {
         String shortcutId = ShortcutUtil.getShortcutIdIfPinnedShortcut(info);
         if (shortcutId == null) {
             return notifications;
         }
         String[] personKeys = ShortcutUtil.getPersonKeysIfPinnedShortcut(info);
         return notifications.stream().filter((NotificationKeyData notification) -> {
                     if (notification.shortcutId != null) {
                         return notification.shortcutId.equals(shortcutId);
                     }
                     if (notification.personKeysFromNotification.length != 0) {
                         return Arrays.equals(notification.personKeysFromNotification, personKeys);
                     }
                     return false;
                 }).collect(Collectors.toList());
     }

     public void dump(String prefix, PrintWriter writer) {
         writer.println(prefix + "PopupDataProvider:");
         writer.println(prefix + "\tmPackageUserToDotInfos:" + mPackageUserToDotInfos);
     }

     /**
      * Tells the listener that the system shortcuts have been updated, causing them to be redrawn.
      */
     public void redrawSystemShortcuts() {
         mChangeListener.onSystemShortcutsUpdated();
     }

     public interface PopupDataChangeListener {

         PopupDataChangeListener INSTANCE = new PopupDataChangeListener() { };

         default void onNotificationDotsUpdated(Predicate<PackageUserKey> updatedDots) { }

         default void trimNotifications(Map<PackageUserKey, DotInfo> updatedDots) { }

         default void onWidgetsBound() { }

         /** A callback to get notified when recommended widgets are bound. */
         default void onRecommendedWidgetsBound() { }

         /** A callback to get notified when system shortcuts have been updated. */
         default void onSystemShortcutsUpdated() { }
     }
 }
	/*
	* 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.launcher3.popup;

	import android.content.ComponentName;
	import android.service.notification.StatusBarNotification;
	import android.util.Log;

	import androidx.annotation.NonNull;
	import androidx.annotation.Nullable;

	import com.android.launcher3.dot.DotInfo;
	import com.android.launcher3.model.WidgetItem;
	import com.android.launcher3.model.data.ItemInfo;
	import com.android.launcher3.notification.NotificationKeyData;
	import com.android.launcher3.notification.NotificationListener;
	import com.android.launcher3.util.ComponentKey;
	import com.android.launcher3.util.PackageUserKey;
	import com.android.launcher3.util.ShortcutUtil;
	import com.android.launcher3.widget.model.WidgetsListBaseEntry;
	import com.android.launcher3.widget.model.WidgetsListContentEntry;

	import java.io.PrintWriter;
	import java.util.Arrays;
	import java.util.Collections;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;
	import java.util.Objects;
	import java.util.function.Consumer;
	import java.util.function.Predicate;
	import java.util.stream.Collectors;

	/**
	* Provides data for the popup menu that appears after long-clicking on apps.
	*/
	public class PopupDataProvider implements NotificationListener.NotificationsChangedListener {

	private static final boolean LOGD = false;
	private static final String TAG = "PopupDataProvider";

	private final Consumer<Predicate<PackageUserKey>> mNotificationDotsChangeListener;

	/** Maps launcher activity components to a count of how many shortcuts they have. */
	private HashMap<ComponentKey, Integer> mDeepShortcutMap = new HashMap<>();
	/** Maps packages to their DotInfo's . */
	private Map<PackageUserKey, DotInfo> mPackageUserToDotInfos = new HashMap<>();

	/** All installed widgets. */
	private List<WidgetsListBaseEntry> mAllWidgets = List.of();
	/** Widgets that can be recommended to the users. */
	private List<ItemInfo> mRecommendedWidgets = List.of();

	private PopupDataChangeListener mChangeListener = PopupDataChangeListener.INSTANCE;

	public PopupDataProvider(Consumer<Predicate<PackageUserKey>> notificationDotsChangeListener) {
	mNotificationDotsChangeListener = notificationDotsChangeListener;
	}

	private void updateNotificationDots(Predicate<PackageUserKey> updatedDots) {
	mNotificationDotsChangeListener.accept(updatedDots);
	mChangeListener.onNotificationDotsUpdated(updatedDots);
	}

	@Override
	public void onNotificationPosted(PackageUserKey postedPackageUserKey,
	NotificationKeyData notificationKey) {
	DotInfo dotInfo = mPackageUserToDotInfos.get(postedPackageUserKey);
	if (dotInfo == null) {
	dotInfo = new DotInfo();
	mPackageUserToDotInfos.put(postedPackageUserKey, dotInfo);
	}
	if (dotInfo.addOrUpdateNotificationKey(notificationKey)) {
	updateNotificationDots(postedPackageUserKey::equals);
	}
	}

	@Override
	public void onNotificationRemoved(PackageUserKey removedPackageUserKey,
	NotificationKeyData notificationKey) {
	DotInfo oldDotInfo = mPackageUserToDotInfos.get(removedPackageUserKey);
	if (oldDotInfo != null && oldDotInfo.removeNotificationKey(notificationKey)) {
	if (oldDotInfo.getNotificationKeys().size() == 0) {
	mPackageUserToDotInfos.remove(removedPackageUserKey);
	}
	updateNotificationDots(removedPackageUserKey::equals);
	trimNotifications(mPackageUserToDotInfos);
	}
	}

	@Override
	public void onNotificationFullRefresh(List<StatusBarNotification> activeNotifications) {
	if (activeNotifications == null) return;
	// This will contain the PackageUserKeys which have updated dots.
	HashMap<PackageUserKey, DotInfo> updatedDots = new HashMap<>(mPackageUserToDotInfos);
	mPackageUserToDotInfos.clear();
	for (StatusBarNotification notification : activeNotifications) {
	PackageUserKey packageUserKey = PackageUserKey.fromNotification(notification);
	DotInfo dotInfo = mPackageUserToDotInfos.get(packageUserKey);
	if (dotInfo == null) {
	dotInfo = new DotInfo();
	mPackageUserToDotInfos.put(packageUserKey, dotInfo);
	}
	dotInfo.addOrUpdateNotificationKey(NotificationKeyData.fromNotification(notification));
	}

	// Add and remove from updatedDots so it contains the PackageUserKeys of updated dots.
	for (PackageUserKey packageUserKey : mPackageUserToDotInfos.keySet()) {
	DotInfo prevDot = updatedDots.get(packageUserKey);
	DotInfo newDot = mPackageUserToDotInfos.get(packageUserKey);
	if (prevDot == null
	\|\| prevDot.getNotificationCount() != newDot.getNotificationCount()) {
	updatedDots.put(packageUserKey, newDot);
	} else {
	// No need to update the dot if it already existed (no visual change).
	// Note that if the dot was removed entirely, we wouldn't reach this point because
	// this loop only includes active notifications added above.
	updatedDots.remove(packageUserKey);
	}
	}

	if (!updatedDots.isEmpty()) {
	updateNotificationDots(updatedDots::containsKey);
	}
	trimNotifications(updatedDots);
	}

	private void trimNotifications(Map<PackageUserKey, DotInfo> updatedDots) {
	mChangeListener.trimNotifications(updatedDots);
	}

	public void setDeepShortcutMap(HashMap<ComponentKey, Integer> deepShortcutMapCopy) {
	mDeepShortcutMap = deepShortcutMapCopy;
	if (LOGD) Log.d(TAG, "bindDeepShortcutMap: " + mDeepShortcutMap);
	}

	public int getShortcutCountForItem(ItemInfo info) {
	if (!ShortcutUtil.supportsDeepShortcuts(info)) {
	return 0;
	}
	ComponentName component = info.getTargetComponent();
	if (component == null) {
	return 0;
	}

	Integer count = mDeepShortcutMap.get(new ComponentKey(component, info.user));
	return count == null ? 0 : count;
	}

	public @Nullable DotInfo getDotInfoForItem(@NonNull ItemInfo info) {
	if (!ShortcutUtil.supportsShortcuts(info)) {
	return null;
	}
	DotInfo dotInfo = mPackageUserToDotInfos.get(PackageUserKey.fromItemInfo(info));
	if (dotInfo == null) {
	return null;
	}
	List<NotificationKeyData> notifications = getNotificationsForItem(
	info, dotInfo.getNotificationKeys());
	if (notifications.isEmpty()) {
	return null;
	}
	return dotInfo;
	}

	public @NonNull List<NotificationKeyData> getNotificationKeysForItem(ItemInfo info) {
	DotInfo dotInfo = getDotInfoForItem(info);
	return dotInfo == null ? Collections.EMPTY_LIST
	: getNotificationsForItem(info, dotInfo.getNotificationKeys());
	}

	public void cancelNotification(String notificationKey) {
	NotificationListener notificationListener = NotificationListener.getInstanceIfConnected();
	if (notificationListener == null) {
	return;
	}
	notificationListener.cancelNotificationFromLauncher(notificationKey);
	}

	/**
	* Sets a list of recommended widgets ordered by their order of appearance in the widgets
	* recommendation UI.
	*/
	public void setRecommendedWidgets(List<ItemInfo> recommendedWidgets) {
	mRecommendedWidgets = recommendedWidgets;
	mChangeListener.onRecommendedWidgetsBound();
	}

	public void setAllWidgets(List<WidgetsListBaseEntry> allWidgets) {
	mAllWidgets = allWidgets;
	mChangeListener.onWidgetsBound();
	}

	public void setChangeListener(PopupDataChangeListener listener) {
	mChangeListener = listener == null ? PopupDataChangeListener.INSTANCE : listener;
	}

	public List<WidgetsListBaseEntry> getAllWidgets() {
	return mAllWidgets;
	}

	/** Returns a list of recommended widgets. */
	public List<WidgetItem> getRecommendedWidgets() {
	HashMap<ComponentKey, WidgetItem> allWidgetItems = new HashMap<>();
	mAllWidgets.stream()
	.filter(entry -> entry instanceof WidgetsListContentEntry)
	.forEach(entry -> ((WidgetsListContentEntry) entry).mWidgets
	.forEach(widget -> allWidgetItems.put(
	new ComponentKey(widget.componentName, widget.user), widget)));
	return mRecommendedWidgets.stream()
	.map(recommendedWidget -> allWidgetItems.get(
	new ComponentKey(recommendedWidget.getTargetComponent(),
	recommendedWidget.user)))
	.filter(Objects::nonNull)
	.collect(Collectors.toList());
	}

	public List<WidgetItem> getWidgetsForPackageUser(PackageUserKey packageUserKey) {
	return mAllWidgets.stream()
	.filter(row -> row instanceof WidgetsListContentEntry
	&& row.mPkgItem.packageName.equals(packageUserKey.mPackageName))
	.flatMap(row -> ((WidgetsListContentEntry) row).mWidgets.stream())
	.filter(widget -> packageUserKey.mUser.equals(widget.user))
	.collect(Collectors.toList());
	}

	/**
	* Returns a list of notifications that are relevant to given ItemInfo.
	*/
	public static @NonNull List<NotificationKeyData> getNotificationsForItem(
	@NonNull ItemInfo info, @NonNull List<NotificationKeyData> notifications) {
	String shortcutId = ShortcutUtil.getShortcutIdIfPinnedShortcut(info);
	if (shortcutId == null) {
	return notifications;
	}
	String[] personKeys = ShortcutUtil.getPersonKeysIfPinnedShortcut(info);
	return notifications.stream().filter((NotificationKeyData notification) -> {
	if (notification.shortcutId != null) {
	return notification.shortcutId.equals(shortcutId);
	}
	if (notification.personKeysFromNotification.length != 0) {
	return Arrays.equals(notification.personKeysFromNotification, personKeys);
	}
	return false;
	}).collect(Collectors.toList());
	}

	public void dump(String prefix, PrintWriter writer) {
	writer.println(prefix + "PopupDataProvider:");
	writer.println(prefix + "\tmPackageUserToDotInfos:" + mPackageUserToDotInfos);
	}

	/**
	* Tells the listener that the system shortcuts have been updated, causing them to be redrawn.
	*/
	public void redrawSystemShortcuts() {
	mChangeListener.onSystemShortcutsUpdated();
	}

	public interface PopupDataChangeListener {

	PopupDataChangeListener INSTANCE = new PopupDataChangeListener() { };

	default void onNotificationDotsUpdated(Predicate<PackageUserKey> updatedDots) { }

	default void trimNotifications(Map<PackageUserKey, DotInfo> updatedDots) { }

	default void onWidgetsBound() { }

	/** A callback to get notified when recommended widgets are bound. */
	default void onRecommendedWidgetsBound() { }

	/** A callback to get notified when system shortcuts have been updated. */
	default void onSystemShortcutsUpdated() { }
	}
	}