Add a new special app access screen for long background tasks.

This new screen shows apps that hold the new RUN_LONG_JOBS permission. Also add a reference to this screen in an app's info page under the "Advanced" section for apps that have requested this permission. Bug: 255821578 Test: atest AppFilterRegistryTest Test: make -j RunSettingsRoboTests \ ROBOTTEST_FILTER="LongBackgroundTasksDetailsTest| LongBackgroundTasksDetailsPreferenceControllerTest" Test: visually via the Settings page Change-Id: Idc498e52d29abc6df757c35e8bc91f00de92ba4a
2022-10-30 18:33:52 +00:00
parent 1111e51f2c
commit b33256a0fc
16 changed files with 743 additions and 5 deletions
--- a/src/com/android/settings/applications/AppStateLongBackgroundTasksBridge.java
+++ b/src/com/android/settings/applications/AppStateLongBackgroundTasksBridge.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2022 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.settings.applications;
+
+import android.Manifest;
+import android.app.AppGlobals;
+import android.app.job.JobScheduler;
+import android.content.Context;
+import android.content.pm.IPackageManager;
+import android.os.RemoteException;
+import android.os.UserHandle;
+import android.util.Log;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.util.ArrayUtils;
+import com.android.settingslib.applications.ApplicationsState;
+import com.android.settingslib.applications.ApplicationsState.AppEntry;
+import com.android.settingslib.applications.ApplicationsState.AppFilter;
+
+import libcore.util.EmptyArray;
+
+import java.util.List;
+
+/**
+ * Connects app op info to the ApplicationsState. Extends {@link AppStateAppOpsBridge} to tailor
+ * to the semantics of {@link Manifest.permission#RUN_LONG_JOBS}.
+ * Also provides app filters that can use the info.
+ */
+public class AppStateLongBackgroundTasksBridge extends AppStateBaseBridge {
+    private static final String PERMISSION = Manifest.permission.RUN_LONG_JOBS;
+    private static final String TAG = "LongBackgroundTasksBridge";
+
+    @VisibleForTesting
+    JobScheduler mJobScheduler;
+    @VisibleForTesting
+    String[] mRequesterPackages;
+
+    public AppStateLongBackgroundTasksBridge(Context context, ApplicationsState appState,
+            Callback callback) {
+        super(appState, callback);
+
+        mJobScheduler = context.getSystemService(JobScheduler.class);
+        final IPackageManager iPm = AppGlobals.getPackageManager();
+        try {
+            mRequesterPackages = iPm.getAppOpPermissionPackages(PERMISSION, context.getUserId());
+        } catch (RemoteException re) {
+            Log.e(TAG, "Cannot reach package manager", re);
+            mRequesterPackages = EmptyArray.STRING;
+        }
+    }
+
+    /**
+     * Returns information regarding {@link Manifest.permission#RUN_LONG_JOBS} for the given
+     * package and uid.
+     */
+    public LongBackgroundTasksState createPermissionState(String packageName, int uid) {
+        final int userId = UserHandle.getUserId(uid);
+
+        final boolean permissionRequested = ArrayUtils.contains(mRequesterPackages, packageName);
+        final boolean permissionGranted = mJobScheduler.hasRunLongJobsPermission(packageName,
+                userId);
+        return new LongBackgroundTasksState(permissionRequested, permissionGranted);
+    }
+
+    @Override
+    protected void updateExtraInfo(AppEntry app, String pkg, int uid) {
+        app.extraInfo = createPermissionState(pkg, uid);
+    }
+
+    @Override
+    protected void loadAllExtraInfo() {
+        final List<AppEntry> allApps = mAppSession.getAllApps();
+        for (int i = 0; i < allApps.size(); i++) {
+            final AppEntry currentEntry = allApps.get(i);
+            updateExtraInfo(currentEntry, currentEntry.info.packageName, currentEntry.info.uid);
+        }
+    }
+
+    public static final AppFilter FILTER_LONG_JOBS_APPS = new AppFilter() {
+
+        @Override
+        public void init() {
+        }
+
+        @Override
+        public boolean filterApp(AppEntry info) {
+            if (info.extraInfo instanceof LongBackgroundTasksState) {
+                final LongBackgroundTasksState state = (LongBackgroundTasksState) info.extraInfo;
+                return state.shouldBeVisible();
+            }
+            return false;
+        }
+    };
+
+    /**
+     * Class to denote the state of an app regarding
+     * {@link Manifest.permission#RUN_LONG_JOBS}.
+     */
+    public static class LongBackgroundTasksState {
+        private boolean mPermissionRequested;
+        private boolean mPermissionGranted;
+
+        LongBackgroundTasksState(boolean permissionRequested, boolean permissionGranted) {
+            mPermissionRequested = permissionRequested;
+            mPermissionGranted = permissionGranted;
+        }
+
+        /** Should the app associated with this state appear on the Settings screen */
+        public boolean shouldBeVisible() {
+            return mPermissionRequested;
+        }
+
+        /** Is the permission granted to the app associated with this state */
+        public boolean isAllowed() {
+            return mPermissionGranted;
+        }
+    }
+}