KeyguardBouncer.java revision 9ee256d2522f5ab779dfab65c6d1f389b5ddb59a
1/* 2 * Copyright (C) 2014 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.systemui.statusbar.phone; 18 19import android.content.Context; 20import android.view.LayoutInflater; 21import android.view.View; 22import android.view.ViewGroup; 23 24import com.android.internal.widget.LockPatternUtils; 25import com.android.keyguard.KeyguardViewBase; 26import com.android.keyguard.R; 27import com.android.keyguard.ViewMediatorCallback; 28import com.android.systemui.keyguard.KeyguardViewMediator; 29 30import static com.android.keyguard.KeyguardSecurityModel.*; 31 32/** 33 * A class which manages the bouncer on the lockscreen. 34 */ 35public class KeyguardBouncer { 36 37 private Context mContext; 38 private ViewMediatorCallback mCallback; 39 private LockPatternUtils mLockPatternUtils; 40 private ViewGroup mContainer; 41 private StatusBarWindowManager mWindowManager; 42 private KeyguardViewBase mKeyguardView; 43 private ViewGroup mRoot; 44 45 public KeyguardBouncer(Context context, ViewMediatorCallback callback, 46 LockPatternUtils lockPatternUtils, StatusBarWindowManager windowManager, 47 ViewGroup container) { 48 mContext = context; 49 mCallback = callback; 50 mLockPatternUtils = lockPatternUtils; 51 mContainer = container; 52 mWindowManager = windowManager; 53 } 54 55 public void prepare() { 56 ensureView(); 57 } 58 59 public void show() { 60 ensureView(); 61 62 // Try to dismiss the Keyguard. If no security pattern is set, this will dismiss the whole 63 // Keyguard. If we need to authenticate, show the bouncer. 64 if (!mKeyguardView.dismiss()) { 65 mRoot.setVisibility(View.VISIBLE); 66 mKeyguardView.requestFocus(); 67 mKeyguardView.onResume(); 68 } 69 } 70 71 public void hide() { 72 if (mKeyguardView != null) { 73 mKeyguardView.cleanUp(); 74 } 75 removeView(); 76 } 77 78 /** 79 * Reset the state of the view. 80 */ 81 public void reset() { 82 inflateView(); 83 } 84 85 public void onScreenTurnedOff() { 86 if (mKeyguardView != null && mRoot != null && mRoot.getVisibility() == View.VISIBLE) { 87 mKeyguardView.onPause(); 88 } 89 } 90 91 public long getUserActivityTimeout() { 92 if (mKeyguardView != null) { 93 long timeout = mKeyguardView.getUserActivityTimeout(); 94 if (timeout >= 0) { 95 return timeout; 96 } 97 } 98 return KeyguardViewMediator.AWAKE_INTERVAL_DEFAULT_MS; 99 } 100 101 public boolean isShowing() { 102 return mRoot != null && mRoot.getVisibility() == View.VISIBLE; 103 } 104 105 private void ensureView() { 106 if (mRoot == null) { 107 inflateView(); 108 } 109 } 110 111 private void inflateView() { 112 removeView(); 113 mRoot = (ViewGroup) LayoutInflater.from(mContext).inflate(R.layout.keyguard_bouncer, null); 114 mKeyguardView = (KeyguardViewBase) mRoot.findViewById(R.id.keyguard_host_view); 115 mKeyguardView.setLockPatternUtils(mLockPatternUtils); 116 mKeyguardView.setViewMediatorCallback(mCallback); 117 mContainer.addView(mRoot, mContainer.getChildCount()); 118 mRoot.setVisibility(View.INVISIBLE); 119 mRoot.setSystemUiVisibility(View.STATUS_BAR_DISABLE_HOME); 120 } 121 122 private void removeView() { 123 if (mRoot != null && mRoot.getParent() == mContainer) { 124 mContainer.removeView(mRoot); 125 mRoot = null; 126 } 127 } 128 129 public boolean onBackPressed() { 130 return mKeyguardView != null && mKeyguardView.handleBackKey(); 131 } 132 133 /** 134 * @return True if and only if the current security method should be shown before showing 135 * the notifications on Keyguard, like SIM PIN/PUK. 136 */ 137 public boolean needsFullscreenBouncer() { 138 if (mKeyguardView != null) { 139 SecurityMode mode = mKeyguardView.getSecurityMode(); 140 return mode == SecurityMode.SimPin 141 || mode == SecurityMode.SimPuk; 142 } 143 return false; 144 } 145 146 public boolean onMenuPressed() { 147 ensureView(); 148 if (mKeyguardView.handleMenuKey()) { 149 150 // We need to show it in case it is secure. If not, it will get dismissed in any case. 151 mRoot.setVisibility(View.VISIBLE); 152 mKeyguardView.requestFocus(); 153 mKeyguardView.onResume(); 154 return true; 155 } else { 156 return false; 157 } 158 } 159} 160