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.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 java.util.ArrayList; 31import java.util.Collection; 32import java.util.Collections; 33import java.util.Comparator; 34 35public class KeyguardMultiUserSelectorView extends FrameLayout implements View.OnClickListener { 36 private static final String TAG = "KeyguardMultiUserSelectorView"; 37 38 private ViewGroup mUsersGrid; 39 private KeyguardMultiUserAvatar mActiveUserAvatar; 40 private KeyguardHostView.UserSwitcherCallback mCallback; 41 private static final int FADE_OUT_ANIMATION_DURATION = 100; 42 43 public KeyguardMultiUserSelectorView(Context context) { 44 this(context, null, 0); 45 } 46 47 public KeyguardMultiUserSelectorView(Context context, AttributeSet attrs) { 48 this(context, attrs, 0); 49 } 50 51 public KeyguardMultiUserSelectorView(Context context, AttributeSet attrs, int defStyle) { 52 super(context, attrs, defStyle); 53 } 54 55 protected void onFinishInflate () { 56 mUsersGrid = (ViewGroup) findViewById(R.id.keyguard_users_grid); 57 mUsersGrid.removeAllViews(); 58 setClipChildren(false); 59 setClipToPadding(false); 60 61 } 62 63 public void setCallback(KeyguardHostView.UserSwitcherCallback callback) { 64 mCallback = callback; 65 } 66 67 public void addUsers(Collection<UserInfo> userList) { 68 UserInfo activeUser; 69 try { 70 activeUser = ActivityManagerNative.getDefault().getCurrentUser(); 71 } catch (RemoteException re) { 72 activeUser = null; 73 } 74 75 ArrayList<UserInfo> users = new ArrayList<UserInfo>(userList); 76 Collections.sort(users, mOrderAddedComparator); 77 78 for (UserInfo user: users) { 79 if (user.supportsSwitchTo()) { 80 KeyguardMultiUserAvatar uv = createAndAddUser(user); 81 if (user.id == activeUser.id) { 82 mActiveUserAvatar = uv; 83 } 84 uv.setActive(false, false, null); 85 } 86 } 87 mActiveUserAvatar.lockPressed(true); 88 } 89 90 public void finalizeActiveUserView(boolean animate) { 91 if (animate) { 92 getHandler().postDelayed(new Runnable() { 93 @Override 94 public void run() { 95 finalizeActiveUserNow(true); 96 } 97 }, 500); 98 } else { 99 finalizeActiveUserNow(animate); 100 } 101 } 102 103 void finalizeActiveUserNow(boolean animate) { 104 mActiveUserAvatar.lockPressed(false); 105 mActiveUserAvatar.setActive(true, animate, null); 106 } 107 108 Comparator<UserInfo> mOrderAddedComparator = new Comparator<UserInfo>() { 109 @Override 110 public int compare(UserInfo lhs, UserInfo rhs) { 111 return (lhs.serialNumber - rhs.serialNumber); 112 } 113 }; 114 115 private KeyguardMultiUserAvatar createAndAddUser(UserInfo user) { 116 KeyguardMultiUserAvatar uv = KeyguardMultiUserAvatar.fromXml( 117 R.layout.keyguard_multi_user_avatar, mContext, this, user); 118 mUsersGrid.addView(uv); 119 return uv; 120 } 121 122 @Override 123 public boolean onInterceptTouchEvent(MotionEvent event) { 124 if(event.getActionMasked() != MotionEvent.ACTION_CANCEL && mCallback != null) { 125 mCallback.userActivity(); 126 } 127 return false; 128 } 129 130 private void setAllClickable(boolean clickable) 131 { 132 for(int i = 0; i < mUsersGrid.getChildCount(); i++) { 133 View v = mUsersGrid.getChildAt(i); 134 v.setClickable(clickable); 135 v.setPressed(false); 136 } 137 } 138 139 @Override 140 public void onClick(View v) { 141 if (!(v instanceof KeyguardMultiUserAvatar)) return; 142 final KeyguardMultiUserAvatar avatar = (KeyguardMultiUserAvatar) v; 143 if (avatar.isClickable()) { // catch race conditions 144 if (mActiveUserAvatar == avatar) { 145 // If they click the currently active user, show the unlock hint 146 mCallback.showUnlockHint(); 147 return; 148 } else { 149 // Reset the previously active user to appear inactive 150 mCallback.hideSecurityView(FADE_OUT_ANIMATION_DURATION); 151 setAllClickable(false); 152 avatar.lockPressed(true); 153 mActiveUserAvatar.setActive(false, true, new Runnable() { 154 @Override 155 public void run() { 156 mActiveUserAvatar = avatar; 157 try { 158 ActivityManagerNative.getDefault() 159 .switchUser(avatar.getUserInfo().id); 160 } catch (RemoteException re) { 161 Log.e(TAG, "Couldn't switch user " + re); 162 } 163 } 164 }); 165 } 166 } 167 } 168} 169