| /* |
| * Copyright (C) 2013 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.users; |
| |
| import android.app.Activity; |
| import android.appwidget.AppWidgetManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.RestrictionEntry; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.ResolveInfo; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.Drawable; |
| import android.os.AsyncTask; |
| import android.os.Bundle; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.preference.ListPreference; |
| import android.preference.MultiSelectListPreference; |
| import android.preference.Preference; |
| import android.preference.Preference.OnPreferenceChangeListener; |
| import android.preference.Preference.OnPreferenceClickListener; |
| import android.preference.PreferenceGroup; |
| import android.preference.SwitchPreference; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.view.inputmethod.InputMethodInfo; |
| import android.view.inputmethod.InputMethodManager; |
| import android.view.ViewGroup; |
| import android.widget.CompoundButton; |
| import android.widget.CompoundButton.OnCheckedChangeListener; |
| import android.widget.Switch; |
| |
| import com.android.settings.R; |
| import com.android.settings.SettingsPreferenceFragment; |
| import com.android.settings.Utils; |
| import com.android.settings.drawable.CircleFramedDrawable; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.StringTokenizer; |
| |
| public class AppRestrictionsFragment extends SettingsPreferenceFragment implements |
| OnPreferenceChangeListener, OnClickListener, OnPreferenceClickListener { |
| |
| private static final String TAG = AppRestrictionsFragment.class.getSimpleName(); |
| |
| private static final boolean DEBUG = false; |
| |
| private static final String PKG_PREFIX = "pkg_"; |
| |
| protected PackageManager mPackageManager; |
| protected UserManager mUserManager; |
| protected IPackageManager mIPm; |
| protected UserHandle mUser; |
| private PackageInfo mSysPackageInfo; |
| |
| private PreferenceGroup mAppList; |
| |
| private static final int MAX_APP_RESTRICTIONS = 100; |
| |
| private static final String DELIMITER = ";"; |
| |
| /** Key for extra passed in from calling fragment for the userId of the user being edited */ |
| public static final String EXTRA_USER_ID = "user_id"; |
| |
| /** Key for extra passed in from calling fragment to indicate if this is a newly created user */ |
| public static final String EXTRA_NEW_USER = "new_user"; |
| |
| HashMap<String,Boolean> mSelectedPackages = new HashMap<String,Boolean>(); |
| private boolean mFirstTime = true; |
| private boolean mNewUser; |
| private boolean mAppListChanged; |
| protected boolean mRestrictedProfile; |
| |
| private static final int CUSTOM_REQUEST_CODE_START = 1000; |
| private int mCustomRequestCode = CUSTOM_REQUEST_CODE_START; |
| |
| private HashMap<Integer, AppRestrictionsPreference> mCustomRequestMap = |
| new HashMap<Integer,AppRestrictionsPreference>(); |
| |
| private List<SelectableAppInfo> mVisibleApps; |
| private List<ApplicationInfo> mUserApps; |
| private AsyncTask mAppLoadingTask; |
| |
| private BroadcastReceiver mUserBackgrounding = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| // Update the user's app selection right away without waiting for a pause |
| // onPause() might come in too late, causing apps to disappear after broadcasts |
| // have been scheduled during user startup. |
| if (mAppListChanged) { |
| if (DEBUG) Log.d(TAG, "User backgrounding, update app list"); |
| applyUserAppsStates(); |
| if (DEBUG) Log.d(TAG, "User backgrounding, done updating app list"); |
| } |
| } |
| }; |
| |
| private BroadcastReceiver mPackageObserver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| onPackageChanged(intent); |
| } |
| }; |
| |
| static class SelectableAppInfo { |
| String packageName; |
| CharSequence appName; |
| CharSequence activityName; |
| Drawable icon; |
| SelectableAppInfo masterEntry; |
| |
| @Override |
| public String toString() { |
| return packageName + ": appName=" + appName + "; activityName=" + activityName |
| + "; icon=" + icon + "; masterEntry=" + masterEntry; |
| } |
| } |
| |
| static class AppRestrictionsPreference extends SwitchPreference { |
| private boolean hasSettings; |
| private OnClickListener listener; |
| private ArrayList<RestrictionEntry> restrictions; |
| private boolean panelOpen; |
| private boolean immutable; |
| private List<Preference> mChildren = new ArrayList<Preference>(); |
| |
| AppRestrictionsPreference(Context context, OnClickListener listener) { |
| super(context); |
| setLayoutResource(R.layout.preference_app_restrictions); |
| this.listener = listener; |
| } |
| |
| private void setSettingsEnabled(boolean enable) { |
| hasSettings = enable; |
| } |
| |
| void setRestrictions(ArrayList<RestrictionEntry> restrictions) { |
| this.restrictions = restrictions; |
| } |
| |
| void setImmutable(boolean immutable) { |
| this.immutable = immutable; |
| } |
| |
| boolean isImmutable() { |
| return immutable; |
| } |
| |
| RestrictionEntry getRestriction(String key) { |
| if (restrictions == null) return null; |
| for (RestrictionEntry entry : restrictions) { |
| if (entry.getKey().equals(key)) { |
| return entry; |
| } |
| } |
| return null; |
| } |
| |
| ArrayList<RestrictionEntry> getRestrictions() { |
| return restrictions; |
| } |
| |
| boolean isPanelOpen() { |
| return panelOpen; |
| } |
| |
| void setPanelOpen(boolean open) { |
| panelOpen = open; |
| } |
| |
| List<Preference> getChildren() { |
| return mChildren; |
| } |
| |
| @Override |
| protected void onBindView(View view) { |
| super.onBindView(view); |
| |
| View appRestrictionsSettings = view.findViewById(R.id.app_restrictions_settings); |
| appRestrictionsSettings.setVisibility(hasSettings ? View.VISIBLE : View.GONE); |
| view.findViewById(R.id.settings_divider).setVisibility( |
| hasSettings ? View.VISIBLE : View.GONE); |
| appRestrictionsSettings.setOnClickListener(listener); |
| appRestrictionsSettings.setTag(this); |
| |
| View appRestrictionsPref = view.findViewById(R.id.app_restrictions_pref); |
| appRestrictionsPref.setOnClickListener(listener); |
| appRestrictionsPref.setTag(this); |
| |
| ViewGroup widget = (ViewGroup) view.findViewById(android.R.id.widget_frame); |
| widget.setEnabled(!isImmutable()); |
| if (widget.getChildCount() > 0) { |
| final Switch toggle = (Switch) widget.getChildAt(0); |
| toggle.setEnabled(!isImmutable()); |
| toggle.setTag(this); |
| toggle.setClickable(true); |
| toggle.setFocusable(true); |
| toggle.setOnCheckedChangeListener(new OnCheckedChangeListener() { |
| @Override |
| public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { |
| listener.onClick(toggle); |
| } |
| }); |
| } |
| } |
| } |
| |
| protected void init(Bundle icicle) { |
| if (icicle != null) { |
| mUser = new UserHandle(icicle.getInt(EXTRA_USER_ID)); |
| } else { |
| Bundle args = getArguments(); |
| if (args != null) { |
| if (args.containsKey(EXTRA_USER_ID)) { |
| mUser = new UserHandle(args.getInt(EXTRA_USER_ID)); |
| } |
| mNewUser = args.getBoolean(EXTRA_NEW_USER, false); |
| } |
| } |
| |
| if (mUser == null) { |
| mUser = android.os.Process.myUserHandle(); |
| } |
| |
| mPackageManager = getActivity().getPackageManager(); |
| mIPm = IPackageManager.Stub.asInterface(ServiceManager.getService("package")); |
| mUserManager = (UserManager) getActivity().getSystemService(Context.USER_SERVICE); |
| mRestrictedProfile = mUserManager.getUserInfo(mUser.getIdentifier()).isRestricted(); |
| try { |
| mSysPackageInfo = mPackageManager.getPackageInfo("android", |
| PackageManager.GET_SIGNATURES); |
| } catch (NameNotFoundException nnfe) { |
| // ? |
| } |
| addPreferencesFromResource(R.xml.app_restrictions); |
| mAppList = getAppPreferenceGroup(); |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| super.onSaveInstanceState(outState); |
| outState.putInt(EXTRA_USER_ID, mUser.getIdentifier()); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| |
| getActivity().registerReceiver(mUserBackgrounding, |
| new IntentFilter(Intent.ACTION_USER_BACKGROUND)); |
| IntentFilter packageFilter = new IntentFilter(); |
| packageFilter.addAction(Intent.ACTION_PACKAGE_ADDED); |
| packageFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); |
| packageFilter.addDataScheme("package"); |
| getActivity().registerReceiver(mPackageObserver, packageFilter); |
| |
| mAppListChanged = false; |
| if (mAppLoadingTask == null || mAppLoadingTask.getStatus() == AsyncTask.Status.FINISHED) { |
| mAppLoadingTask = new AppLoadingTask().execute((Void[]) null); |
| } |
| } |
| |
| @Override |
| public void onPause() { |
| super.onPause(); |
| mNewUser = false; |
| getActivity().unregisterReceiver(mUserBackgrounding); |
| getActivity().unregisterReceiver(mPackageObserver); |
| if (mAppListChanged) { |
| new Thread() { |
| public void run() { |
| applyUserAppsStates(); |
| } |
| }.start(); |
| } |
| } |
| |
| private void onPackageChanged(Intent intent) { |
| String action = intent.getAction(); |
| String packageName = intent.getData().getSchemeSpecificPart(); |
| // Package added, check if the preference needs to be enabled |
| AppRestrictionsPreference pref = (AppRestrictionsPreference) |
| findPreference(getKeyForPackage(packageName)); |
| if (pref == null) return; |
| |
| if ((Intent.ACTION_PACKAGE_ADDED.equals(action) && pref.isChecked()) |
| || (Intent.ACTION_PACKAGE_REMOVED.equals(action) && !pref.isChecked())) { |
| pref.setEnabled(true); |
| } |
| } |
| |
| protected PreferenceGroup getAppPreferenceGroup() { |
| return getPreferenceScreen(); |
| } |
| |
| Drawable getCircularUserIcon() { |
| Bitmap userIcon = mUserManager.getUserIcon(mUser.getIdentifier()); |
| if (userIcon == null) { |
| return null; |
| } |
| CircleFramedDrawable circularIcon = |
| CircleFramedDrawable.getInstance(this.getActivity(), userIcon); |
| return circularIcon; |
| } |
| |
| protected void clearSelectedApps() { |
| mSelectedPackages.clear(); |
| } |
| |
| private void applyUserAppsStates() { |
| final int userId = mUser.getIdentifier(); |
| if (!mUserManager.getUserInfo(userId).isRestricted() && userId != UserHandle.myUserId()) { |
| Log.e(TAG, "Cannot apply application restrictions on another user!"); |
| return; |
| } |
| for (Map.Entry<String,Boolean> entry : mSelectedPackages.entrySet()) { |
| String packageName = entry.getKey(); |
| boolean enabled = entry.getValue(); |
| applyUserAppState(packageName, enabled); |
| } |
| } |
| |
| private void applyUserAppState(String packageName, boolean enabled) { |
| final int userId = mUser.getIdentifier(); |
| if (enabled) { |
| // Enable selected apps |
| try { |
| ApplicationInfo info = mIPm.getApplicationInfo(packageName, |
| PackageManager.GET_UNINSTALLED_PACKAGES, userId); |
| if (info == null || info.enabled == false |
| || (info.flags&ApplicationInfo.FLAG_INSTALLED) == 0) { |
| mIPm.installExistingPackageAsUser(packageName, mUser.getIdentifier()); |
| if (DEBUG) { |
| Log.d(TAG, "Installing " + packageName); |
| } |
| } |
| if (info != null && (info.flags&ApplicationInfo.FLAG_HIDDEN) != 0 |
| && (info.flags&ApplicationInfo.FLAG_INSTALLED) != 0) { |
| disableUiForPackage(packageName); |
| mIPm.setApplicationHiddenSettingAsUser(packageName, false, userId); |
| if (DEBUG) { |
| Log.d(TAG, "Unhiding " + packageName); |
| } |
| } |
| } catch (RemoteException re) { |
| } |
| } else { |
| // Blacklist all other apps, system or downloaded |
| try { |
| ApplicationInfo info = mIPm.getApplicationInfo(packageName, 0, userId); |
| if (info != null) { |
| if (mRestrictedProfile) { |
| mIPm.deletePackageAsUser(packageName, null, mUser.getIdentifier(), |
| PackageManager.DELETE_SYSTEM_APP); |
| if (DEBUG) { |
| Log.d(TAG, "Uninstalling " + packageName); |
| } |
| } else { |
| disableUiForPackage(packageName); |
| mIPm.setApplicationHiddenSettingAsUser(packageName, true, userId); |
| if (DEBUG) { |
| Log.d(TAG, "Hiding " + packageName); |
| } |
| } |
| } |
| } catch (RemoteException re) { |
| } |
| } |
| } |
| |
| private void disableUiForPackage(String packageName) { |
| AppRestrictionsPreference pref = (AppRestrictionsPreference) findPreference( |
| getKeyForPackage(packageName)); |
| if (pref != null) { |
| pref.setEnabled(false); |
| } |
| } |
| |
| private boolean isSystemPackage(String packageName) { |
| try { |
| final PackageInfo pi = mPackageManager.getPackageInfo(packageName, 0); |
| if (pi.applicationInfo == null) return false; |
| final int flags = pi.applicationInfo.flags; |
| if ((flags & ApplicationInfo.FLAG_SYSTEM) != 0 |
| || (flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0) { |
| return true; |
| } |
| } catch (NameNotFoundException nnfe) { |
| // Missing package? |
| } |
| return false; |
| } |
| |
| /** |
| * Find all pre-installed input methods that are marked as default |
| * and add them to an exclusion list so that they aren't |
| * presented to the user for toggling. |
| * Don't add non-default ones, as they may include other stuff that we |
| * don't need to auto-include. |
| * @param excludePackages the set of package names to append to |
| */ |
| private void addSystemImes(Set<String> excludePackages) { |
| final Context context = getActivity(); |
| if (context == null) return; |
| InputMethodManager imm = (InputMethodManager) |
| context.getSystemService(Context.INPUT_METHOD_SERVICE); |
| List<InputMethodInfo> imis = imm.getInputMethodList(); |
| for (InputMethodInfo imi : imis) { |
| try { |
| if (imi.isDefault(context) && isSystemPackage(imi.getPackageName())) { |
| excludePackages.add(imi.getPackageName()); |
| } |
| } catch (Resources.NotFoundException rnfe) { |
| // Not default |
| } |
| } |
| } |
| |
| /** |
| * Add system apps that match an intent to the list, excluding any packages in the exclude list. |
| * @param visibleApps list of apps to append the new list to |
| * @param intent the intent to match |
| * @param excludePackages the set of package names to be excluded, since they're required |
| */ |
| private void addSystemApps(List<SelectableAppInfo> visibleApps, Intent intent, |
| Set<String> excludePackages) { |
| if (getActivity() == null) return; |
| final PackageManager pm = mPackageManager; |
| List<ResolveInfo> launchableApps = pm.queryIntentActivities(intent, |
| PackageManager.GET_DISABLED_COMPONENTS | PackageManager.GET_UNINSTALLED_PACKAGES); |
| for (ResolveInfo app : launchableApps) { |
| if (app.activityInfo != null && app.activityInfo.applicationInfo != null) { |
| final String packageName = app.activityInfo.packageName; |
| int flags = app.activityInfo.applicationInfo.flags; |
| if ((flags & ApplicationInfo.FLAG_SYSTEM) != 0 |
| || (flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0) { |
| // System app |
| // Skip excluded packages |
| if (excludePackages.contains(packageName)) continue; |
| int enabled = pm.getApplicationEnabledSetting(packageName); |
| if (enabled == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED |
| || enabled == PackageManager.COMPONENT_ENABLED_STATE_DISABLED) { |
| // Check if the app is already enabled for the target user |
| ApplicationInfo targetUserAppInfo = getAppInfoForUser(packageName, |
| 0, mUser); |
| if (targetUserAppInfo == null |
| || (targetUserAppInfo.flags&ApplicationInfo.FLAG_INSTALLED) == 0) { |
| continue; |
| } |
| } |
| SelectableAppInfo info = new SelectableAppInfo(); |
| info.packageName = app.activityInfo.packageName; |
| info.appName = app.activityInfo.applicationInfo.loadLabel(pm); |
| info.icon = app.activityInfo.loadIcon(pm); |
| info.activityName = app.activityInfo.loadLabel(pm); |
| if (info.activityName == null) info.activityName = info.appName; |
| |
| visibleApps.add(info); |
| } |
| } |
| } |
| } |
| |
| private ApplicationInfo getAppInfoForUser(String packageName, int flags, UserHandle user) { |
| try { |
| ApplicationInfo targetUserAppInfo = mIPm.getApplicationInfo(packageName, flags, |
| user.getIdentifier()); |
| return targetUserAppInfo; |
| } catch (RemoteException re) { |
| return null; |
| } |
| } |
| |
| private class AppLoadingTask extends AsyncTask<Void, Void, Void> { |
| |
| @Override |
| protected Void doInBackground(Void... params) { |
| fetchAndMergeApps(); |
| return null; |
| } |
| |
| @Override |
| protected void onPostExecute(Void result) { |
| populateApps(); |
| } |
| |
| @Override |
| protected void onPreExecute() { |
| } |
| } |
| |
| private void fetchAndMergeApps() { |
| mAppList.setOrderingAsAdded(false); |
| mVisibleApps = new ArrayList<SelectableAppInfo>(); |
| final Context context = getActivity(); |
| if (context == null) return; |
| final PackageManager pm = mPackageManager; |
| final IPackageManager ipm = mIPm; |
| |
| final HashSet<String> excludePackages = new HashSet<String>(); |
| addSystemImes(excludePackages); |
| |
| // Add launchers |
| Intent launcherIntent = new Intent(Intent.ACTION_MAIN); |
| launcherIntent.addCategory(Intent.CATEGORY_LAUNCHER); |
| addSystemApps(mVisibleApps, launcherIntent, excludePackages); |
| |
| // Add widgets |
| Intent widgetIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); |
| addSystemApps(mVisibleApps, widgetIntent, excludePackages); |
| |
| List<ApplicationInfo> installedApps = pm.getInstalledApplications( |
| PackageManager.GET_UNINSTALLED_PACKAGES); |
| for (ApplicationInfo app : installedApps) { |
| // If it's not installed, skip |
| if ((app.flags & ApplicationInfo.FLAG_INSTALLED) == 0) continue; |
| |
| if ((app.flags & ApplicationInfo.FLAG_SYSTEM) == 0 |
| && (app.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) == 0) { |
| // Downloaded app |
| SelectableAppInfo info = new SelectableAppInfo(); |
| info.packageName = app.packageName; |
| info.appName = app.loadLabel(pm); |
| info.activityName = info.appName; |
| info.icon = app.loadIcon(pm); |
| mVisibleApps.add(info); |
| } else { |
| try { |
| PackageInfo pi = pm.getPackageInfo(app.packageName, 0); |
| // If it's a system app that requires an account and doesn't see restricted |
| // accounts, mark for removal. It might get shown in the UI if it has an icon |
| // but will still be marked as false and immutable. |
| if (mRestrictedProfile |
| && pi.requiredAccountType != null && pi.restrictedAccountType == null) { |
| mSelectedPackages.put(app.packageName, false); |
| } |
| } catch (NameNotFoundException re) { |
| } |
| } |
| } |
| |
| // Get the list of apps already installed for the user |
| mUserApps = null; |
| try { |
| mUserApps = ipm.getInstalledApplications( |
| PackageManager.GET_UNINSTALLED_PACKAGES, mUser.getIdentifier()).getList(); |
| } catch (RemoteException re) { |
| } |
| |
| if (mUserApps != null) { |
| for (ApplicationInfo app : mUserApps) { |
| if ((app.flags & ApplicationInfo.FLAG_INSTALLED) == 0) continue; |
| |
| if ((app.flags & ApplicationInfo.FLAG_SYSTEM) == 0 |
| && (app.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) == 0) { |
| // Downloaded app |
| SelectableAppInfo info = new SelectableAppInfo(); |
| info.packageName = app.packageName; |
| info.appName = app.loadLabel(pm); |
| info.activityName = info.appName; |
| info.icon = app.loadIcon(pm); |
| mVisibleApps.add(info); |
| } |
| } |
| } |
| |
| // Sort the list of visible apps |
| Collections.sort(mVisibleApps, new AppLabelComparator()); |
| |
| // Remove dupes |
| Set<String> dedupPackageSet = new HashSet<String>(); |
| for (int i = mVisibleApps.size() - 1; i >= 0; i--) { |
| SelectableAppInfo info = mVisibleApps.get(i); |
| if (DEBUG) Log.i(TAG, info.toString()); |
| String both = info.packageName + "+" + info.activityName; |
| if (!TextUtils.isEmpty(info.packageName) |
| && !TextUtils.isEmpty(info.activityName) |
| && dedupPackageSet.contains(both)) { |
| mVisibleApps.remove(i); |
| } else { |
| dedupPackageSet.add(both); |
| } |
| } |
| |
| // Establish master/slave relationship for entries that share a package name |
| HashMap<String,SelectableAppInfo> packageMap = new HashMap<String,SelectableAppInfo>(); |
| for (SelectableAppInfo info : mVisibleApps) { |
| if (packageMap.containsKey(info.packageName)) { |
| info.masterEntry = packageMap.get(info.packageName); |
| } else { |
| packageMap.put(info.packageName, info); |
| } |
| } |
| } |
| |
| private boolean isPlatformSigned(PackageInfo pi) { |
| return (pi != null && pi.signatures != null && |
| mSysPackageInfo.signatures[0].equals(pi.signatures[0])); |
| } |
| |
| private boolean isAppEnabledForUser(PackageInfo pi) { |
| if (pi == null) return false; |
| final int flags = pi.applicationInfo.flags; |
| // Return true if it is installed and not hidden |
| return ((flags&ApplicationInfo.FLAG_INSTALLED) != 0 |
| && (flags&ApplicationInfo.FLAG_HIDDEN) == 0); |
| } |
| |
| private void populateApps() { |
| final Context context = getActivity(); |
| if (context == null) return; |
| final PackageManager pm = mPackageManager; |
| final IPackageManager ipm = mIPm; |
| final int userId = mUser.getIdentifier(); |
| |
| // Check if the user was removed in the meantime. |
| if (Utils.getExistingUser(mUserManager, mUser) == null) { |
| return; |
| } |
| mAppList.removeAll(); |
| Intent restrictionsIntent = new Intent(Intent.ACTION_GET_RESTRICTION_ENTRIES); |
| final List<ResolveInfo> receivers = pm.queryBroadcastReceivers(restrictionsIntent, 0); |
| int i = 0; |
| for (SelectableAppInfo app : mVisibleApps) { |
| String packageName = app.packageName; |
| if (packageName == null) continue; |
| final boolean isSettingsApp = packageName.equals(context.getPackageName()); |
| AppRestrictionsPreference p = new AppRestrictionsPreference(context, this); |
| final boolean hasSettings = resolveInfoListHasPackage(receivers, packageName); |
| p.setIcon(app.icon != null ? app.icon.mutate() : null); |
| p.setChecked(false); |
| p.setTitle(app.activityName); |
| if (app.masterEntry != null) { |
| p.setSummary(context.getString(R.string.user_restrictions_controlled_by, |
| app.masterEntry.activityName)); |
| } |
| p.setKey(getKeyForPackage(packageName)); |
| p.setSettingsEnabled((hasSettings || isSettingsApp) && app.masterEntry == null); |
| p.setPersistent(false); |
| p.setOnPreferenceChangeListener(this); |
| p.setOnPreferenceClickListener(this); |
| PackageInfo pi = null; |
| try { |
| pi = ipm.getPackageInfo(packageName, |
| PackageManager.GET_UNINSTALLED_PACKAGES |
| | PackageManager.GET_SIGNATURES, userId); |
| } catch (RemoteException e) { |
| } |
| if (pi == null) { |
| continue; |
| } |
| if (pi.requiredForAllUsers || isPlatformSigned(pi)) { |
| p.setChecked(true); |
| p.setImmutable(true); |
| // If the app is required and has no restrictions, skip showing it |
| if (!hasSettings && !isSettingsApp) continue; |
| // Get and populate the defaults, since the user is not going to be |
| // able to toggle this app ON (it's ON by default and immutable). |
| // Only do this for restricted profiles, not single-user restrictions |
| // Also don't do this for slave icons |
| if (hasSettings && app.masterEntry == null) { |
| requestRestrictionsForApp(packageName, p, false); |
| } |
| } else if (!mNewUser && isAppEnabledForUser(pi)) { |
| p.setChecked(true); |
| } |
| if (mRestrictedProfile |
| && pi.requiredAccountType != null && pi.restrictedAccountType == null) { |
| p.setChecked(false); |
| p.setImmutable(true); |
| p.setSummary(R.string.app_not_supported_in_limited); |
| } |
| if (mRestrictedProfile && pi.restrictedAccountType != null) { |
| p.setSummary(R.string.app_sees_restricted_accounts); |
| } |
| if (app.masterEntry != null) { |
| p.setImmutable(true); |
| p.setChecked(mSelectedPackages.get(packageName)); |
| } |
| mAppList.addPreference(p); |
| if (isSettingsApp) { |
| p.setOrder(MAX_APP_RESTRICTIONS * 1); |
| } else { |
| p.setOrder(MAX_APP_RESTRICTIONS * (i + 2)); |
| } |
| mSelectedPackages.put(packageName, p.isChecked()); |
| mAppListChanged = true; |
| i++; |
| } |
| // If this is the first time for a new profile, install/uninstall default apps for profile |
| // to avoid taking the hit in onPause(), which can cause race conditions on user switch. |
| if (mNewUser && mFirstTime) { |
| mFirstTime = false; |
| applyUserAppsStates(); |
| } |
| } |
| |
| private String getKeyForPackage(String packageName) { |
| return PKG_PREFIX + packageName; |
| } |
| |
| private class AppLabelComparator implements Comparator<SelectableAppInfo> { |
| |
| @Override |
| public int compare(SelectableAppInfo lhs, SelectableAppInfo rhs) { |
| String lhsLabel = lhs.activityName.toString(); |
| String rhsLabel = rhs.activityName.toString(); |
| return lhsLabel.toLowerCase().compareTo(rhsLabel.toLowerCase()); |
| } |
| } |
| |
| private boolean resolveInfoListHasPackage(List<ResolveInfo> receivers, String packageName) { |
| for (ResolveInfo info : receivers) { |
| if (info.activityInfo.packageName.equals(packageName)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private void updateAllEntries(String prefKey, boolean checked) { |
| for (int i = 0; i < mAppList.getPreferenceCount(); i++) { |
| Preference pref = mAppList.getPreference(i); |
| if (pref instanceof AppRestrictionsPreference) { |
| if (prefKey.equals(pref.getKey())) { |
| ((AppRestrictionsPreference) pref).setChecked(checked); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void onClick(View v) { |
| if (v.getTag() instanceof AppRestrictionsPreference) { |
| AppRestrictionsPreference pref = (AppRestrictionsPreference) v.getTag(); |
| if (v.getId() == R.id.app_restrictions_settings) { |
| onAppSettingsIconClicked(pref); |
| } else if (!pref.isImmutable()) { |
| pref.setChecked(!pref.isChecked()); |
| final String packageName = pref.getKey().substring(PKG_PREFIX.length()); |
| mSelectedPackages.put(packageName, pref.isChecked()); |
| if (pref.isChecked() && pref.hasSettings |
| && pref.restrictions == null) { |
| // The restrictions have not been initialized, get and save them |
| requestRestrictionsForApp(packageName, pref, false); |
| } |
| mAppListChanged = true; |
| // If it's not a restricted profile, apply the changes immediately |
| if (!mRestrictedProfile) { |
| applyUserAppState(packageName, pref.isChecked()); |
| } |
| updateAllEntries(pref.getKey(), pref.isChecked()); |
| } |
| } |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| String key = preference.getKey(); |
| if (key != null && key.contains(DELIMITER)) { |
| StringTokenizer st = new StringTokenizer(key, DELIMITER); |
| final String packageName = st.nextToken(); |
| final String restrictionKey = st.nextToken(); |
| AppRestrictionsPreference appPref = (AppRestrictionsPreference) |
| mAppList.findPreference(PKG_PREFIX+packageName); |
| ArrayList<RestrictionEntry> restrictions = appPref.getRestrictions(); |
| if (restrictions != null) { |
| for (RestrictionEntry entry : restrictions) { |
| if (entry.getKey().equals(restrictionKey)) { |
| switch (entry.getType()) { |
| case RestrictionEntry.TYPE_BOOLEAN: |
| entry.setSelectedState((Boolean) newValue); |
| break; |
| case RestrictionEntry.TYPE_CHOICE: |
| case RestrictionEntry.TYPE_CHOICE_LEVEL: |
| ListPreference listPref = (ListPreference) preference; |
| entry.setSelectedString((String) newValue); |
| String readable = findInArray(entry.getChoiceEntries(), |
| entry.getChoiceValues(), (String) newValue); |
| listPref.setSummary(readable); |
| break; |
| case RestrictionEntry.TYPE_MULTI_SELECT: |
| Set<String> set = (Set<String>) newValue; |
| String [] selectedValues = new String[set.size()]; |
| set.toArray(selectedValues); |
| entry.setAllSelectedStrings(selectedValues); |
| break; |
| default: |
| continue; |
| } |
| if (packageName.equals(getActivity().getPackageName())) { |
| RestrictionUtils.setRestrictions(getActivity(), restrictions, mUser); |
| } else { |
| mUserManager.setApplicationRestrictions(packageName, |
| RestrictionUtils.restrictionsToBundle(restrictions), |
| mUser); |
| } |
| break; |
| } |
| } |
| } |
| } |
| return true; |
| } |
| |
| private void removeRestrictionsForApp(AppRestrictionsPreference preference) { |
| for (Preference p : preference.mChildren) { |
| mAppList.removePreference(p); |
| } |
| preference.mChildren.clear(); |
| } |
| |
| private void onAppSettingsIconClicked(AppRestrictionsPreference preference) { |
| if (preference.getKey().startsWith(PKG_PREFIX)) { |
| if (preference.isPanelOpen()) { |
| removeRestrictionsForApp(preference); |
| } else { |
| String packageName = preference.getKey().substring(PKG_PREFIX.length()); |
| if (packageName.equals(getActivity().getPackageName())) { |
| // Settings, fake it by using user restrictions |
| ArrayList<RestrictionEntry> restrictions = RestrictionUtils.getRestrictions( |
| getActivity(), mUser); |
| onRestrictionsReceived(preference, packageName, restrictions); |
| } else { |
| requestRestrictionsForApp(packageName, preference, true /*invoke if custom*/); |
| } |
| } |
| preference.setPanelOpen(!preference.isPanelOpen()); |
| } |
| } |
| |
| /** |
| * Send a broadcast to the app to query its restrictions |
| * @param packageName package name of the app with restrictions |
| * @param preference the preference item for the app toggle |
| * @param invokeIfCustom whether to directly launch any custom activity that is returned |
| * for the app. |
| */ |
| private void requestRestrictionsForApp(String packageName, |
| AppRestrictionsPreference preference, boolean invokeIfCustom) { |
| Bundle oldEntries = |
| mUserManager.getApplicationRestrictions(packageName, mUser); |
| Intent intent = new Intent(Intent.ACTION_GET_RESTRICTION_ENTRIES); |
| intent.setPackage(packageName); |
| intent.putExtra(Intent.EXTRA_RESTRICTIONS_BUNDLE, oldEntries); |
| intent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); |
| getActivity().sendOrderedBroadcast(intent, null, |
| new RestrictionsResultReceiver(packageName, preference, invokeIfCustom), |
| null, Activity.RESULT_OK, null, null); |
| } |
| |
| class RestrictionsResultReceiver extends BroadcastReceiver { |
| |
| private static final String CUSTOM_RESTRICTIONS_INTENT = Intent.EXTRA_RESTRICTIONS_INTENT; |
| String packageName; |
| AppRestrictionsPreference preference; |
| boolean invokeIfCustom; |
| |
| RestrictionsResultReceiver(String packageName, AppRestrictionsPreference preference, |
| boolean invokeIfCustom) { |
| super(); |
| this.packageName = packageName; |
| this.preference = preference; |
| this.invokeIfCustom = invokeIfCustom; |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| Bundle results = getResultExtras(true); |
| final ArrayList<RestrictionEntry> restrictions = results.getParcelableArrayList( |
| Intent.EXTRA_RESTRICTIONS_LIST); |
| Intent restrictionsIntent = (Intent) results.getParcelable(CUSTOM_RESTRICTIONS_INTENT); |
| if (restrictions != null && restrictionsIntent == null) { |
| onRestrictionsReceived(preference, packageName, restrictions); |
| if (mRestrictedProfile) { |
| mUserManager.setApplicationRestrictions(packageName, |
| RestrictionUtils.restrictionsToBundle(restrictions), mUser); |
| } |
| } else if (restrictionsIntent != null) { |
| preference.setRestrictions(restrictions); |
| if (invokeIfCustom && AppRestrictionsFragment.this.isResumed()) { |
| assertSafeToStartCustomActivity(restrictionsIntent); |
| int requestCode = generateCustomActivityRequestCode( |
| RestrictionsResultReceiver.this.preference); |
| AppRestrictionsFragment.this.startActivityForResult( |
| restrictionsIntent, requestCode); |
| } |
| } |
| } |
| |
| private void assertSafeToStartCustomActivity(Intent intent) { |
| // Activity can be started if it belongs to the same app |
| if (intent.getPackage() != null && intent.getPackage().equals(packageName)) { |
| return; |
| } |
| // Activity can be started if intent resolves to multiple activities |
| List<ResolveInfo> resolveInfos = AppRestrictionsFragment.this.mPackageManager |
| .queryIntentActivities(intent, 0 /* no flags */); |
| if (resolveInfos.size() != 1) { |
| return; |
| } |
| // Prevent potential privilege escalation |
| ActivityInfo activityInfo = resolveInfos.get(0).activityInfo; |
| if (!packageName.equals(activityInfo.packageName)) { |
| throw new SecurityException("Application " + packageName |
| + " is not allowed to start activity " + intent); |
| }; |
| } |
| } |
| |
| private void onRestrictionsReceived(AppRestrictionsPreference preference, String packageName, |
| ArrayList<RestrictionEntry> restrictions) { |
| // Remove any earlier restrictions |
| removeRestrictionsForApp(preference); |
| // Non-custom-activity case - expand the restrictions in-place |
| final Context context = preference.getContext(); |
| int count = 1; |
| for (RestrictionEntry entry : restrictions) { |
| Preference p = null; |
| switch (entry.getType()) { |
| case RestrictionEntry.TYPE_BOOLEAN: |
| p = new SwitchPreference(context); |
| p.setTitle(entry.getTitle()); |
| p.setSummary(entry.getDescription()); |
| ((SwitchPreference)p).setChecked(entry.getSelectedState()); |
| break; |
| case RestrictionEntry.TYPE_CHOICE: |
| case RestrictionEntry.TYPE_CHOICE_LEVEL: |
| p = new ListPreference(context); |
| p.setTitle(entry.getTitle()); |
| String value = entry.getSelectedString(); |
| if (value == null) { |
| value = entry.getDescription(); |
| } |
| p.setSummary(findInArray(entry.getChoiceEntries(), entry.getChoiceValues(), |
| value)); |
| ((ListPreference)p).setEntryValues(entry.getChoiceValues()); |
| ((ListPreference)p).setEntries(entry.getChoiceEntries()); |
| ((ListPreference)p).setValue(value); |
| ((ListPreference)p).setDialogTitle(entry.getTitle()); |
| break; |
| case RestrictionEntry.TYPE_MULTI_SELECT: |
| p = new MultiSelectListPreference(context); |
| p.setTitle(entry.getTitle()); |
| ((MultiSelectListPreference)p).setEntryValues(entry.getChoiceValues()); |
| ((MultiSelectListPreference)p).setEntries(entry.getChoiceEntries()); |
| HashSet<String> set = new HashSet<String>(); |
| for (String s : entry.getAllSelectedStrings()) { |
| set.add(s); |
| } |
| ((MultiSelectListPreference)p).setValues(set); |
| ((MultiSelectListPreference)p).setDialogTitle(entry.getTitle()); |
| break; |
| case RestrictionEntry.TYPE_NULL: |
| default: |
| } |
| if (p != null) { |
| p.setPersistent(false); |
| p.setOrder(preference.getOrder() + count); |
| // Store the restrictions key string as a key for the preference |
| p.setKey(preference.getKey().substring(PKG_PREFIX.length()) + DELIMITER |
| + entry.getKey()); |
| mAppList.addPreference(p); |
| p.setOnPreferenceChangeListener(AppRestrictionsFragment.this); |
| p.setIcon(R.drawable.empty_icon); |
| preference.mChildren.add(p); |
| count++; |
| } |
| } |
| preference.setRestrictions(restrictions); |
| if (count == 1 // No visible restrictions |
| && preference.isImmutable() |
| && preference.isChecked()) { |
| // Special case of required app with no visible restrictions. Remove it |
| mAppList.removePreference(preference); |
| } |
| } |
| |
| /** |
| * Generates a request code that is stored in a map to retrieve the associated |
| * AppRestrictionsPreference. |
| * @param preference |
| * @return |
| */ |
| private int generateCustomActivityRequestCode(AppRestrictionsPreference preference) { |
| mCustomRequestCode++; |
| mCustomRequestMap.put(mCustomRequestCode, preference); |
| return mCustomRequestCode; |
| } |
| |
| @Override |
| public void onActivityResult(int requestCode, int resultCode, Intent data) { |
| super.onActivityResult(requestCode, resultCode, data); |
| |
| AppRestrictionsPreference pref = mCustomRequestMap.get(requestCode); |
| if (pref == null) { |
| Log.w(TAG, "Unknown requestCode " + requestCode); |
| return; |
| } |
| |
| if (resultCode == Activity.RESULT_OK) { |
| String packageName = pref.getKey().substring(PKG_PREFIX.length()); |
| ArrayList<RestrictionEntry> list = |
| data.getParcelableArrayListExtra(Intent.EXTRA_RESTRICTIONS_LIST); |
| Bundle bundle = data.getBundleExtra(Intent.EXTRA_RESTRICTIONS_BUNDLE); |
| if (list != null) { |
| // If there's a valid result, persist it to the user manager. |
| pref.setRestrictions(list); |
| mUserManager.setApplicationRestrictions(packageName, |
| RestrictionUtils.restrictionsToBundle(list), mUser); |
| } else if (bundle != null) { |
| // If there's a valid result, persist it to the user manager. |
| mUserManager.setApplicationRestrictions(packageName, bundle, mUser); |
| } |
| } |
| // Remove request from the map |
| mCustomRequestMap.remove(requestCode); |
| } |
| |
| private String findInArray(String[] choiceEntries, String[] choiceValues, |
| String selectedString) { |
| for (int i = 0; i < choiceValues.length; i++) { |
| if (choiceValues[i].equals(selectedString)) { |
| return choiceEntries[i]; |
| } |
| } |
| return selectedString; |
| } |
| |
| @Override |
| public boolean onPreferenceClick(Preference preference) { |
| if (preference.getKey().startsWith(PKG_PREFIX)) { |
| AppRestrictionsPreference arp = (AppRestrictionsPreference) preference; |
| if (!arp.isImmutable()) { |
| final String packageName = arp.getKey().substring(PKG_PREFIX.length()); |
| final boolean newEnabledState = !arp.isChecked(); |
| arp.setChecked(newEnabledState); |
| mSelectedPackages.put(packageName, newEnabledState); |
| updateAllEntries(arp.getKey(), newEnabledState); |
| mAppListChanged = true; |
| applyUserAppState(packageName, newEnabledState); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| } |
