1/* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.internal.policy.impl.keyguard; 18 19import android.app.ActivityManagerNative; 20import android.content.Context; 21import android.content.pm.UserInfo; 22import android.os.RemoteException; 23import android.util.AttributeSet; 24import android.util.Log; 25import android.view.MotionEvent; 26import android.view.View; 27import android.view.ViewGroup; 28import android.widget.FrameLayout; 29 30import com.android.internal.R; 31 32import java.util.ArrayList; 33import java.util.Collection; 34import java.util.Collections; 35import java.util.Comparator; 36 37public class KeyguardMultiUserSelectorView extends FrameLayout implements View.OnClickListener { 38 private static final String TAG = "KeyguardMultiUserSelectorView"; 39 40 private ViewGroup mUsersGrid; 41 private KeyguardMultiUserAvatar mActiveUserAvatar; 42 private KeyguardHostView.UserSwitcherCallback mCallback; 43 private static final int FADE_OUT_ANIMATION_DURATION = 100; 44 45 public KeyguardMultiUserSelectorView(Context context) { 46 this(context, null, 0); 47 } 48 49 public KeyguardMultiUserSelectorView(Context context, AttributeSet attrs) { 50 this(context, attrs, 0); 51 } 52 53 public KeyguardMultiUserSelectorView(Context context, AttributeSet attrs, int defStyle) { 54 super(context, attrs, defStyle); 55 } 56 57 protected void onFinishInflate () { 58 mUsersGrid = (ViewGroup) findViewById(R.id.keyguard_users_grid); 59 mUsersGrid.removeAllViews(); 60 setClipChildren(false); 61 setClipToPadding(false); 62 63 } 64 65 public void setCallback(KeyguardHostView.UserSwitcherCallback callback) { 66 mCallback = callback; 67 } 68 69 public void addUsers(Collection<UserInfo> userList) { 70 UserInfo activeUser; 71 try { 72 activeUser = ActivityManagerNative.getDefault().getCurrentUser(); 73 } catch (RemoteException re) { 74 activeUser = null; 75 } 76 77 ArrayList<UserInfo> users = new ArrayList<UserInfo>(userList); 78 Collections.sort(users, mOrderAddedComparator); 79 80 for (UserInfo user: users) { 81 KeyguardMultiUserAvatar uv = createAndAddUser(user); 82 if (user.id == activeUser.id) { 83 mActiveUserAvatar = uv; 84 mActiveUserAvatar.setActive(true, false, null); 85 } else { 86 uv.setActive(false, false, null); 87 } 88 } 89 } 90 91 Comparator<UserInfo> mOrderAddedComparator = new Comparator<UserInfo>() { 92 @Override 93 public int compare(UserInfo lhs, UserInfo rhs) { 94 return (lhs.serialNumber - rhs.serialNumber); 95 } 96 }; 97 98 private KeyguardMultiUserAvatar createAndAddUser(UserInfo user) { 99 KeyguardMultiUserAvatar uv = KeyguardMultiUserAvatar.fromXml( 100 R.layout.keyguard_multi_user_avatar, mContext, this, user); 101 mUsersGrid.addView(uv); 102 return uv; 103 } 104 105 @Override 106 public boolean onInterceptTouchEvent(MotionEvent event) { 107 if(event.getActionMasked() != MotionEvent.ACTION_CANCEL && mCallback != null) { 108 mCallback.userActivity(); 109 } 110 return false; 111 } 112 113 private void setAllClickable(boolean clickable) 114 { 115 for(int i = 0; i < mUsersGrid.getChildCount(); i++) { 116 View v = mUsersGrid.getChildAt(i); 117 v.setClickable(clickable); 118 v.setPressed(false); 119 } 120 } 121 122 @Override 123 public void onClick(View v) { 124 if (!(v instanceof KeyguardMultiUserAvatar)) return; 125 final KeyguardMultiUserAvatar avatar = (KeyguardMultiUserAvatar) v; 126 if (avatar.isClickable()) { // catch race conditions 127 if (mActiveUserAvatar == avatar) { 128 // If they click the currently active user, show the unlock hint 129 mCallback.showUnlockHint(); 130 return; 131 } else { 132 // Reset the previously active user to appear inactive 133 mCallback.hideSecurityView(FADE_OUT_ANIMATION_DURATION); 134 setAllClickable(false); 135 mActiveUserAvatar.setActive(false, true, new Runnable() { 136 @Override 137 public void run() { 138 mActiveUserAvatar = avatar; 139 mActiveUserAvatar.setActive(true, true, new Runnable() { 140 @Override 141 public void run() { 142 if (this.getClass().getName().contains("internal")) { 143 try { 144 ActivityManagerNative.getDefault() 145 .switchUser(avatar.getUserInfo().id); 146 } catch (RemoteException re) { 147 Log.e(TAG, "Couldn't switch user " + re); 148 } 149 } else { 150 setAllClickable(true); 151 } 152 } 153 }); 154 } 155 }); 156 } 157 } 158 } 159} 160