mirror of
https://github.com/LawnchairLauncher/lawnchair.git
synced 2026-02-18 18:28:20 +00:00
295 lines
11 KiB
Java
295 lines
11 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.model;
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import static com.android.launcher3.model.data.AppInfo.COMPONENT_KEY_COMPARATOR;
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import static com.android.launcher3.model.data.AppInfo.EMPTY_ARRAY;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.LauncherActivityInfo;
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import android.content.pm.LauncherApps;
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import android.os.LocaleList;
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import android.os.Process;
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import android.os.UserHandle;
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import android.util.Log;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import com.android.launcher3.AppFilter;
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import com.android.launcher3.compat.AlphabeticIndexCompat;
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import com.android.launcher3.icons.IconCache;
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import com.android.launcher3.model.data.AppInfo;
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import com.android.launcher3.model.data.PromiseAppInfo;
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import com.android.launcher3.pm.PackageInstallInfo;
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import com.android.launcher3.util.FlagOp;
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import com.android.launcher3.util.ItemInfoMatcher;
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import com.android.launcher3.util.PackageManagerHelper;
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import com.android.launcher3.util.SafeCloseable;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.List;
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import java.util.function.Consumer;
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/**
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* Stores the list of all applications for the all apps view.
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*/
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public class AllAppsList {
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private static final String TAG = "AllAppsList";
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private static final Consumer<AppInfo> NO_OP_CONSUMER = a -> { };
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public static final int DEFAULT_APPLICATIONS_NUMBER = 42;
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/** The list off all apps. */
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public final ArrayList<AppInfo> data = new ArrayList<>(DEFAULT_APPLICATIONS_NUMBER);
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private IconCache mIconCache;
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private AppFilter mAppFilter;
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private boolean mDataChanged = false;
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private Consumer<AppInfo> mRemoveListener = NO_OP_CONSUMER;
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private AlphabeticIndexCompat mIndex;
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/**
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* Boring constructor.
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*/
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public AllAppsList(IconCache iconCache, AppFilter appFilter) {
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mIconCache = iconCache;
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mAppFilter = appFilter;
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mIndex = new AlphabeticIndexCompat(LocaleList.getDefault());
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}
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/**
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* Returns true if there have been any changes since last call.
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*/
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public boolean getAndResetChangeFlag() {
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boolean result = mDataChanged;
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mDataChanged = false;
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return result;
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}
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/**
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* Add the supplied ApplicationInfo objects to the list, and enqueue it into the
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* list to broadcast when notify() is called.
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*
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* If the app is already in the list, doesn't add it.
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*/
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public void add(AppInfo info, LauncherActivityInfo activityInfo) {
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if (!mAppFilter.shouldShowApp(info.componentName)) {
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return;
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}
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if (findAppInfo(info.componentName, info.user) != null) {
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return;
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}
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mIconCache.getTitleAndIcon(info, activityInfo, true /* useLowResIcon */);
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info.sectionName = mIndex.computeSectionName(info.title);
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data.add(info);
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mDataChanged = true;
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}
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public void addPromiseApp(Context context, PackageInstallInfo installInfo) {
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ApplicationInfo applicationInfo = new PackageManagerHelper(context)
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.getApplicationInfo(installInfo.packageName, installInfo.user, 0);
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// only if not yet installed
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if (applicationInfo == null) {
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PromiseAppInfo info = new PromiseAppInfo(installInfo);
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mIconCache.getTitleAndIcon(info, info.usingLowResIcon());
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info.sectionName = mIndex.computeSectionName(info.title);
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data.add(info);
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mDataChanged = true;
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}
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}
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public PromiseAppInfo updatePromiseInstallInfo(PackageInstallInfo installInfo) {
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UserHandle user = Process.myUserHandle();
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for (int i=0; i < data.size(); i++) {
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final AppInfo appInfo = data.get(i);
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final ComponentName tgtComp = appInfo.getTargetComponent();
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if (tgtComp != null && tgtComp.getPackageName().equals(installInfo.packageName)
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&& appInfo.user.equals(user)
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&& appInfo instanceof PromiseAppInfo) {
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final PromiseAppInfo promiseAppInfo = (PromiseAppInfo) appInfo;
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if (installInfo.state == PackageInstallInfo.STATUS_INSTALLING) {
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promiseAppInfo.level = installInfo.progress;
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return promiseAppInfo;
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} else if (installInfo.state == PackageInstallInfo.STATUS_FAILED) {
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removeApp(i);
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}
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}
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}
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return null;
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}
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private void removeApp(int index) {
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AppInfo removed = data.remove(index);
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if (removed != null) {
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mDataChanged = true;
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mRemoveListener.accept(removed);
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}
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}
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public void clear() {
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data.clear();
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mDataChanged = false;
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// Reset the index as locales might have changed
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mIndex = new AlphabeticIndexCompat(LocaleList.getDefault());
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}
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/**
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* Add the icons for the supplied apk called packageName.
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*/
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public void addPackage(Context context, String packageName, UserHandle user) {
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for (LauncherActivityInfo info : context.getSystemService(LauncherApps.class)
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.getActivityList(packageName, user)) {
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add(new AppInfo(context, info, user), info);
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}
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}
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/**
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* Remove the apps for the given apk identified by packageName.
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*/
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public void removePackage(String packageName, UserHandle user) {
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final List<AppInfo> data = this.data;
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for (int i = data.size() - 1; i >= 0; i--) {
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AppInfo info = data.get(i);
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if (info.user.equals(user) && packageName.equals(info.componentName.getPackageName())) {
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removeApp(i);
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}
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}
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}
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/**
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* Updates the disabled flags of apps matching {@param matcher} based on {@param op}.
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*/
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public void updateDisabledFlags(ItemInfoMatcher matcher, FlagOp op) {
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final List<AppInfo> data = this.data;
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for (int i = data.size() - 1; i >= 0; i--) {
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AppInfo info = data.get(i);
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if (matcher.matches(info, info.componentName)) {
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info.runtimeStatusFlags = op.apply(info.runtimeStatusFlags);
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mDataChanged = true;
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}
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}
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}
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public void updateIconsAndLabels(HashSet<String> packages, UserHandle user) {
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for (AppInfo info : data) {
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if (info.user.equals(user) && packages.contains(info.componentName.getPackageName())) {
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mIconCache.updateTitleAndIcon(info);
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info.sectionName = mIndex.computeSectionName(info.title);
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mDataChanged = true;
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}
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}
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}
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/**
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* Add and remove icons for this package which has been updated.
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*/
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public void updatePackage(Context context, String packageName, UserHandle user) {
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final List<LauncherActivityInfo> matches = context.getSystemService(LauncherApps.class)
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.getActivityList(packageName, user);
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if (matches.size() > 0) {
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// Find disabled/removed activities and remove them from data and add them
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// to the removed list.
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for (int i = data.size() - 1; i >= 0; i--) {
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final AppInfo applicationInfo = data.get(i);
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if (user.equals(applicationInfo.user)
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&& packageName.equals(applicationInfo.componentName.getPackageName())) {
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if (!findActivity(matches, applicationInfo.componentName)) {
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Log.w(TAG, "Changing shortcut target due to app component name change.");
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removeApp(i);
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}
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}
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}
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// Find enabled activities and add them to the adapter
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// Also updates existing activities with new labels/icons
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for (final LauncherActivityInfo info : matches) {
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AppInfo applicationInfo = findAppInfo(info.getComponentName(), user);
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if (applicationInfo == null) {
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add(new AppInfo(context, info, user), info);
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} else {
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mIconCache.getTitleAndIcon(applicationInfo, info, true /* useLowResIcon */);
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applicationInfo.sectionName = mIndex.computeSectionName(applicationInfo.title);
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mDataChanged = true;
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}
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}
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} else {
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// Remove all data for this package.
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for (int i = data.size() - 1; i >= 0; i--) {
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final AppInfo applicationInfo = data.get(i);
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if (user.equals(applicationInfo.user)
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&& packageName.equals(applicationInfo.componentName.getPackageName())) {
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mIconCache.remove(applicationInfo.componentName, user);
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removeApp(i);
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}
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}
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}
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}
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/**
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* Returns whether <em>apps</em> contains <em>component</em>.
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*/
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private static boolean findActivity(List<LauncherActivityInfo> apps,
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ComponentName component) {
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for (LauncherActivityInfo info : apps) {
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if (info.getComponentName().equals(component)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Find an AppInfo object for the given componentName
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*
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* @return the corresponding AppInfo or null
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*/
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private @Nullable AppInfo findAppInfo(@NonNull ComponentName componentName,
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@NonNull UserHandle user) {
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for (AppInfo info: data) {
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if (componentName.equals(info.componentName) && user.equals(info.user)) {
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return info;
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}
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}
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return null;
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}
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public AppInfo[] copyData() {
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AppInfo[] result = data.toArray(EMPTY_ARRAY);
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Arrays.sort(result, COMPONENT_KEY_COMPARATOR);
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return result;
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}
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public SafeCloseable trackRemoves(Consumer<AppInfo> removeListener) {
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mRemoveListener = removeListener;
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return () -> mRemoveListener = NO_OP_CONSUMER;
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}
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}
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