| /* |
| * Copyright (C) 2015 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.shared.system; |
| |
| import static android.app.ActivityManager.RECENT_IGNORE_UNAVAILABLE; |
| |
| import android.annotation.NonNull; |
| import android.app.ActivityManager; |
| import android.app.ActivityManager.RecentTaskInfo; |
| import android.app.AppGlobals; |
| import android.content.Context; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.UserInfo; |
| import android.content.res.Resources; |
| import android.content.res.Resources.NotFoundException; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.util.IconDrawableFactory; |
| import android.util.Log; |
| |
| import com.android.systemui.shared.recents.model.ThumbnailData; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class ActivityManagerWrapper { |
| |
| private static final String TAG = "ActivityManagerWrapper"; |
| |
| private static final ActivityManagerWrapper sInstance = new ActivityManagerWrapper(); |
| |
| private final PackageManager mPackageManager; |
| private final IconDrawableFactory mDrawableFactory; |
| |
| private ActivityManagerWrapper() { |
| final Context context = AppGlobals.getInitialApplication(); |
| mPackageManager = context.getPackageManager(); |
| mDrawableFactory = IconDrawableFactory.newInstance(context); |
| } |
| |
| public static ActivityManagerWrapper getInstance() { |
| return sInstance; |
| } |
| |
| /** |
| * @return the current user's id. |
| */ |
| public int getCurrentUserId() { |
| UserInfo ui; |
| try { |
| ui = ActivityManager.getService().getCurrentUser(); |
| return ui != null ? ui.id : 0; |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * @return a list of the recents tasks. |
| */ |
| public List<RecentTaskInfo> getRecentTasks(int numTasks, int userId) { |
| try { |
| return ActivityManager.getService().getRecentTasks(numTasks, |
| RECENT_IGNORE_UNAVAILABLE, userId).getList(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failed to get recent tasks", e); |
| return new ArrayList<>(); |
| } |
| } |
| |
| /** |
| * @return the task snapshot for the given {@param taskId}. |
| */ |
| public @NonNull ThumbnailData getTaskThumbnail(int taskId, boolean reducedResolution) { |
| ActivityManager.TaskSnapshot snapshot = null; |
| try { |
| snapshot = ActivityManager.getService().getTaskSnapshot(taskId, reducedResolution); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to retrieve task snapshot", e); |
| } |
| if (snapshot != null) { |
| return new ThumbnailData(snapshot); |
| } else { |
| return new ThumbnailData(); |
| } |
| } |
| |
| /** |
| * @return the task description icon, loading and badging it if it necessary. |
| */ |
| public Drawable getBadgedTaskDescriptionIcon(Context context, |
| ActivityManager.TaskDescription taskDescription, int userId, Resources res) { |
| Bitmap tdIcon = taskDescription.getInMemoryIcon(); |
| Drawable dIcon = null; |
| if (tdIcon != null) { |
| dIcon = new BitmapDrawable(res, tdIcon); |
| } else if (taskDescription.getIconResource() != 0) { |
| try { |
| dIcon = context.getDrawable(taskDescription.getIconResource()); |
| } catch (NotFoundException e) { |
| Log.e(TAG, "Could not find icon drawable from resource", e); |
| } |
| } else { |
| tdIcon = ActivityManager.TaskDescription.loadTaskDescriptionIcon( |
| taskDescription.getIconFilename(), userId); |
| if (tdIcon != null) { |
| dIcon = new BitmapDrawable(res, tdIcon); |
| } |
| } |
| if (dIcon != null) { |
| return getBadgedIcon(dIcon, userId); |
| } |
| return null; |
| } |
| |
| /** |
| * @return the given icon for a user, badging if necessary. |
| */ |
| private Drawable getBadgedIcon(Drawable icon, int userId) { |
| if (userId != UserHandle.myUserId()) { |
| icon = mPackageManager.getUserBadgedIcon(icon, new UserHandle(userId)); |
| } |
| return icon; |
| } |
| |
| /** |
| * @return the activity icon for the ActivityInfo for a user, badging if necessary. |
| */ |
| public Drawable getBadgedActivityIcon(ActivityInfo info, int userId) { |
| return mDrawableFactory.getBadgedIcon(info, info.applicationInfo, userId); |
| } |
| |
| /** |
| * @return the application icon for the ApplicationInfo for a user, badging if necessary. |
| */ |
| public Drawable getBadgedApplicationIcon(ApplicationInfo appInfo, int userId) { |
| return mDrawableFactory.getBadgedIcon(appInfo, userId); |
| } |
| |
| /** |
| * @return the activity label, badging if necessary. |
| */ |
| public String getBadgedActivityLabel(ActivityInfo info, int userId) { |
| return getBadgedLabel(info.loadLabel(mPackageManager).toString(), userId); |
| } |
| |
| /** |
| * @return the application label, badging if necessary. |
| */ |
| public String getBadgedApplicationLabel(ApplicationInfo appInfo, int userId) { |
| return getBadgedLabel(appInfo.loadLabel(mPackageManager).toString(), userId); |
| } |
| |
| /** |
| * @return the content description for a given task, badging it if necessary. The content |
| * description joins the app and activity labels. |
| */ |
| public String getBadgedContentDescription(ActivityInfo info, int userId, |
| ActivityManager.TaskDescription td) { |
| String activityLabel; |
| if (td != null && td.getLabel() != null) { |
| activityLabel = td.getLabel(); |
| } else { |
| activityLabel = info.loadLabel(mPackageManager).toString(); |
| } |
| String applicationLabel = info.applicationInfo.loadLabel(mPackageManager).toString(); |
| String badgedApplicationLabel = getBadgedLabel(applicationLabel, userId); |
| return applicationLabel.equals(activityLabel) |
| ? badgedApplicationLabel |
| : badgedApplicationLabel + " " + activityLabel; |
| } |
| |
| /** |
| * @return the given label for a user, badging if necessary. |
| */ |
| private String getBadgedLabel(String label, int userId) { |
| if (userId != UserHandle.myUserId()) { |
| label = mPackageManager.getUserBadgedLabel(label, new UserHandle(userId)).toString(); |
| } |
| return label; |
| } |
| } |