| /* |
| * 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.settings.applications.appinfo; |
| |
| import android.app.Activity; |
| import android.content.ActivityNotFoundException; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| import android.icu.text.ListFormatter; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.Preference; |
| |
| import com.android.settings.R; |
| import com.android.settingslib.applications.PermissionsSummaryHelper; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnStart; |
| import com.android.settingslib.core.lifecycle.events.OnStop; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Random; |
| |
| /** |
| * A PreferenceController handling the logic for permissions of apps. |
| */ |
| public class AppPermissionPreferenceController extends AppInfoPreferenceControllerBase implements |
| LifecycleObserver, OnStart, OnStop { |
| |
| private static final String TAG = "PermissionPrefControl"; |
| private static final String EXTRA_HIDE_INFO_BUTTON = "hideInfoButton"; |
| private static final long INVALID_SESSION_ID = 0; |
| |
| private final PackageManager mPackageManager; |
| |
| private String mPackageName; |
| |
| @VisibleForTesting |
| final PermissionsSummaryHelper.PermissionsResultCallback mPermissionCallback |
| = new PermissionsSummaryHelper.PermissionsResultCallback() { |
| @Override |
| public void onPermissionSummaryResult(int standardGrantedPermissionCount, |
| int requestedPermissionCount, int additionalGrantedPermissionCount, |
| List<CharSequence> grantedGroupLabels) { |
| final Resources res = mContext.getResources(); |
| CharSequence summary; |
| |
| if (requestedPermissionCount == 0) { |
| summary = res.getString( |
| R.string.runtime_permissions_summary_no_permissions_requested); |
| mPreference.setEnabled(false); |
| } else { |
| final ArrayList<CharSequence> list = new ArrayList<>(grantedGroupLabels); |
| if (additionalGrantedPermissionCount > 0) { |
| // N additional permissions. |
| list.add(res.getQuantityString( |
| R.plurals.runtime_permissions_additional_count, |
| additionalGrantedPermissionCount, additionalGrantedPermissionCount)); |
| } |
| if (list.size() == 0) { |
| summary = res.getString( |
| R.string.runtime_permissions_summary_no_permissions_granted); |
| } else { |
| summary = ListFormatter.getInstance().format(list); |
| } |
| mPreference.setEnabled(true); |
| } |
| mPreference.setSummary(summary); |
| } |
| }; |
| |
| private final PackageManager.OnPermissionsChangedListener mOnPermissionsChangedListener = |
| uid -> updateState(mPreference); |
| |
| public AppPermissionPreferenceController(Context context, String key) { |
| super(context, key); |
| mPackageManager = context.getPackageManager(); |
| } |
| |
| @Override |
| public void onStart() { |
| mPackageManager.addOnPermissionsChangeListener(mOnPermissionsChangedListener); |
| } |
| |
| @Override |
| public void onStop() { |
| mPackageManager.removeOnPermissionsChangeListener(mOnPermissionsChangedListener); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| PermissionsSummaryHelper.getPermissionSummary(mContext, mPackageName, mPermissionCallback); |
| } |
| |
| @Override |
| public boolean handlePreferenceTreeClick(Preference preference) { |
| if (getPreferenceKey().equals(preference.getKey())) { |
| startManagePermissionsActivity(); |
| return true; |
| } |
| return false; |
| } |
| |
| public void setPackageName(String packageName) { |
| mPackageName = packageName; |
| } |
| |
| private void startManagePermissionsActivity() { |
| // start new activity to manage app permissions |
| final Intent permIntent = new Intent(Intent.ACTION_MANAGE_APP_PERMISSIONS); |
| permIntent.putExtra(Intent.EXTRA_PACKAGE_NAME, mParent.getAppEntry().info.packageName); |
| permIntent.putExtra(EXTRA_HIDE_INFO_BUTTON, true); |
| Activity activity = mParent.getActivity(); |
| Intent intent = activity != null ? activity.getIntent() : null; |
| if (intent != null) { |
| String action = intent.getAction(); |
| long sessionId = intent.getLongExtra( |
| Intent.ACTION_AUTO_REVOKE_PERMISSIONS, INVALID_SESSION_ID); |
| if ((action != null && action.equals(Intent.ACTION_AUTO_REVOKE_PERMISSIONS)) |
| || sessionId != INVALID_SESSION_ID) { |
| // If intent is Auto revoke, and we don't already have a session ID, make one |
| while (sessionId == INVALID_SESSION_ID) { |
| sessionId = new Random().nextLong(); |
| } |
| permIntent.putExtra(Intent.ACTION_AUTO_REVOKE_PERMISSIONS, sessionId); |
| } |
| } |
| try { |
| if (activity != null) { |
| activity.startActivityForResult(permIntent, mParent.SUB_INFO_FRAGMENT); |
| } |
| } catch (ActivityNotFoundException e) { |
| Log.w(TAG, "No app can handle android.intent.action.MANAGE_APP_PERMISSIONS"); |
| } |
| } |
| } |