| /* |
| * 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.packageinstaller.permission.ui.handheld; |
| |
| import android.app.ActionBar; |
| import android.content.ActivityNotFoundException; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Bundle; |
| import android.preference.Preference; |
| import android.preference.PreferenceScreen; |
| import android.util.ArraySet; |
| import android.util.Log; |
| |
| import com.android.packageinstaller.R; |
| import com.android.packageinstaller.permission.model.PermissionApps; |
| import com.android.packageinstaller.permission.model.PermissionApps.PmCache; |
| import com.android.packageinstaller.permission.model.PermissionGroup; |
| import com.android.packageinstaller.permission.model.PermissionGroups; |
| import com.android.packageinstaller.permission.utils.Utils; |
| |
| import java.util.List; |
| |
| /** |
| * Superclass for fragments allowing the user to manage permissions. |
| */ |
| abstract class ManagePermissionsFragment extends PermissionsFrameFragment |
| implements PermissionGroups.PermissionsGroupsChangeCallback, |
| Preference.OnPreferenceClickListener { |
| private static final String LOG_TAG = "ManagePermissionsFragment"; |
| |
| static final String OS_PKG = "android"; |
| |
| private ArraySet<String> mLauncherPkgs; |
| |
| private PermissionGroups mPermissions; |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| setLoading(true /* loading */, false /* animate */); |
| setHasOptionsMenu(true); |
| final ActionBar ab = getActivity().getActionBar(); |
| if (ab != null) { |
| ab.setDisplayHomeAsUpEnabled(true); |
| } |
| mLauncherPkgs = Utils.getLauncherPackages(getContext()); |
| mPermissions = new PermissionGroups(getActivity(), getLoaderManager(), this); |
| } |
| |
| @Override |
| public void onStart() { |
| super.onStart(); |
| mPermissions.refresh(); |
| } |
| |
| @Override |
| public boolean onPreferenceClick(Preference preference) { |
| String key = preference.getKey(); |
| |
| PermissionGroup group = mPermissions.getGroup(key); |
| if (group == null) { |
| return false; |
| } |
| |
| Intent intent = new Intent(Intent.ACTION_MANAGE_PERMISSION_APPS) |
| .putExtra(Intent.EXTRA_PERMISSION_NAME, key); |
| try { |
| getActivity().startActivity(intent); |
| } catch (ActivityNotFoundException e) { |
| Log.w(LOG_TAG, "No app to handle " + intent); |
| } |
| |
| return true; |
| } |
| |
| /** |
| * @return the permissions |
| */ |
| protected PermissionGroups getPermissions() { |
| return mPermissions; |
| } |
| |
| @Override |
| public void onPermissionGroupsChanged() { |
| updatePermissionsUi(); |
| } |
| |
| /** |
| * Update the preferences to show the new {@link #getPermissions() permissions}. |
| */ |
| protected abstract void updatePermissionsUi(); |
| |
| /** |
| * Add preferences for all permissions of a type to the preference screen. |
| * |
| * @param addSystemPermissions If the permissions added should be system permissions or not |
| * |
| * @return The preference screen the permissions were added to |
| */ |
| protected PreferenceScreen updatePermissionsUi(boolean addSystemPermissions) { |
| Context context = getActivity(); |
| if (context == null) { |
| return null; |
| } |
| |
| List<PermissionGroup> groups = mPermissions.getGroups(); |
| PreferenceScreen screen = getPreferenceScreen(); |
| if (screen == null) { |
| screen = getPreferenceManager().createPreferenceScreen(getActivity()); |
| setPreferenceScreen(screen); |
| } else { |
| screen.removeAll(); |
| } |
| |
| // Use this to speed up getting the info for all of the PermissionApps below. |
| // Create a new one for each refresh to make sure it has fresh data. |
| PmCache cache = new PmCache(getContext().getPackageManager()); |
| for (PermissionGroup group : groups) { |
| boolean isSystemPermission = group.getDeclaringPackage().equals(OS_PKG); |
| |
| if (addSystemPermissions == isSystemPermission) { |
| Preference preference = findPreference(group.getName()); |
| |
| if (preference == null) { |
| preference = new Preference(context); |
| preference.setOnPreferenceClickListener(this); |
| preference.setKey(group.getName()); |
| preference.setIcon(Utils.applyTint(context, group.getIcon(), |
| android.R.attr.colorControlNormal)); |
| preference.setTitle(group.getLabel()); |
| // Set blank summary so that no resizing/jumping happens when the summary is |
| // loaded. |
| preference.setSummary(" "); |
| preference.setPersistent(false); |
| screen.addPreference(preference); |
| } |
| final Preference finalPref = preference; |
| |
| new PermissionApps(getContext(), group.getName(), permissionApps -> { |
| if (getActivity() == null) { |
| return; |
| } |
| int granted = permissionApps.getGrantedCount(mLauncherPkgs); |
| int total = permissionApps.getTotalCount(mLauncherPkgs); |
| finalPref.setSummary(getString(R.string.app_permissions_group_summary, |
| granted, total)); |
| }, cache).refresh(false); |
| } |
| } |
| if (screen.getPreferenceCount() != 0) { |
| setLoading(false /* loading */, true /* animate */); |
| } |
| |
| return screen; |
| } |
| } |