| /* |
| * Copyright (C) 2014 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.statusbar.policy; |
| |
| import android.app.ActivityManagerNative; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageManager; |
| import android.content.pm.UserInfo; |
| import android.content.res.Resources; |
| import android.database.Cursor; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.os.AsyncTask; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.provider.ContactsContract; |
| import android.util.Log; |
| import android.util.Pair; |
| |
| import com.android.systemui.BitmapHelper; |
| import com.android.systemui.R; |
| import com.android.internal.util.UserIcons; |
| |
| import java.util.ArrayList; |
| |
| public final class UserInfoController { |
| |
| private static final String TAG = "UserInfoController"; |
| |
| private final Context mContext; |
| private final ArrayList<OnUserInfoChangedListener> mCallbacks = |
| new ArrayList<OnUserInfoChangedListener>(); |
| private AsyncTask<Void, Void, Pair<String, Drawable>> mUserInfoTask; |
| |
| private boolean mUseDefaultAvatar; |
| private String mUserName; |
| private Drawable mUserDrawable; |
| |
| public UserInfoController(Context context) { |
| mContext = context; |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_USER_SWITCHED); |
| filter.addAction(Intent.ACTION_CONFIGURATION_CHANGED); |
| mContext.registerReceiver(mReceiver, filter); |
| |
| IntentFilter profileFilter = new IntentFilter(); |
| profileFilter.addAction(ContactsContract.Intents.ACTION_PROFILE_CHANGED); |
| profileFilter.addAction(Intent.ACTION_USER_INFO_CHANGED); |
| mContext.registerReceiverAsUser(mProfileReceiver, UserHandle.ALL, profileFilter, |
| null, null); |
| } |
| |
| public void addListener(OnUserInfoChangedListener callback) { |
| mCallbacks.add(callback); |
| } |
| |
| private final BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| if (Intent.ACTION_USER_SWITCHED.equals(action)) { |
| reloadUserInfo(); |
| } else if (Intent.ACTION_CONFIGURATION_CHANGED.equals(action)) { |
| if (mUseDefaultAvatar) { |
| reloadUserInfo(); |
| } |
| } |
| } |
| }; |
| |
| private final BroadcastReceiver mProfileReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| if (ContactsContract.Intents.ACTION_PROFILE_CHANGED.equals(action) || |
| Intent.ACTION_USER_INFO_CHANGED.equals(action)) { |
| try { |
| final int currentUser = ActivityManagerNative.getDefault().getCurrentUser().id; |
| final int changedUser = |
| intent.getIntExtra(Intent.EXTRA_USER_HANDLE, getSendingUserId()); |
| if (changedUser == currentUser) { |
| reloadUserInfo(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Couldn't get current user id for profile change", e); |
| } |
| } |
| } |
| }; |
| |
| public void reloadUserInfo() { |
| if (mUserInfoTask != null) { |
| mUserInfoTask.cancel(false); |
| mUserInfoTask = null; |
| } |
| queryForUserInformation(); |
| } |
| |
| private void queryForUserInformation() { |
| Context currentUserContext; |
| UserInfo userInfo; |
| try { |
| userInfo = ActivityManagerNative.getDefault().getCurrentUser(); |
| currentUserContext = mContext.createPackageContextAsUser("android", 0, |
| new UserHandle(userInfo.id)); |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.e(TAG, "Couldn't create user context", e); |
| throw new RuntimeException(e); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Couldn't get user info", e); |
| throw new RuntimeException(e); |
| } |
| final int userId = userInfo.id; |
| final boolean isGuest = userInfo.isGuest(); |
| final String userName = userInfo.name; |
| |
| final Resources res = mContext.getResources(); |
| final int avatarSize = Math.max( |
| res.getDimensionPixelSize(R.dimen.multi_user_avatar_expanded_size), |
| res.getDimensionPixelSize(R.dimen.multi_user_avatar_keyguard_size)); |
| |
| final Context context = currentUserContext; |
| mUserInfoTask = new AsyncTask<Void, Void, Pair<String, Drawable>>() { |
| @Override |
| protected Pair<String, Drawable> doInBackground(Void... params) { |
| final UserManager um = UserManager.get(mContext); |
| |
| // Fall back to the UserManager nickname if we can't read the name from the local |
| // profile below. |
| String name = userName; |
| Drawable avatar = null; |
| Bitmap rawAvatar = um.getUserIcon(userId); |
| if (rawAvatar != null) { |
| avatar = new BitmapDrawable(mContext.getResources(), |
| BitmapHelper.createCircularClip(rawAvatar, avatarSize, avatarSize)); |
| } else { |
| avatar = UserIcons.getDefaultUserIcon(isGuest? UserHandle.USER_NULL : userId, |
| /* light= */ true); |
| mUseDefaultAvatar = true; |
| } |
| |
| // If it's a single-user device, get the profile name, since the nickname is not |
| // usually valid |
| if (um.getUsers().size() <= 1) { |
| // Try and read the display name from the local profile |
| final Cursor cursor = context.getContentResolver().query( |
| ContactsContract.Profile.CONTENT_URI, new String[] { |
| ContactsContract.CommonDataKinds.Phone._ID, |
| ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME |
| }, null, null, null); |
| if (cursor != null) { |
| try { |
| if (cursor.moveToFirst()) { |
| name = cursor.getString(cursor.getColumnIndex( |
| ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME)); |
| } |
| } finally { |
| cursor.close(); |
| } |
| } |
| } |
| return new Pair<String, Drawable>(name, avatar); |
| } |
| |
| @Override |
| protected void onPostExecute(Pair<String, Drawable> result) { |
| mUserName = result.first; |
| mUserDrawable = result.second; |
| mUserInfoTask = null; |
| notifyChanged(); |
| } |
| }; |
| mUserInfoTask.execute(); |
| } |
| |
| private void notifyChanged() { |
| for (OnUserInfoChangedListener listener : mCallbacks) { |
| listener.onUserInfoChanged(mUserName, mUserDrawable); |
| } |
| } |
| |
| public interface OnUserInfoChangedListener { |
| public void onUserInfoChanged(String name, Drawable picture); |
| } |
| } |