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      1 /*
      2  * Copyright (C) 2008 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 
     17 package com.android.internal.policy.impl;
     18 
     19 import android.content.Context;
     20 
     21 /**
     22  * Defines operations necessary for showing a keyguard, including how to create
     23  * it, and various properties that are useful to be able to query independant
     24  * of whether the keyguard instance is around or not.
     25  */
     26 public interface KeyguardViewProperties {
     27 
     28     /**
     29      * Create a keyguard view.
     30      * @param context the context to use when creating the view.
     31      * @param updateMonitor configuration may be based on this.
     32      * @param controller for talking back with the containing window.
     33      * @return the view.
     34      */
     35     KeyguardViewBase createKeyguardView(Context context,
     36             KeyguardUpdateMonitor updateMonitor,
     37             KeyguardWindowController controller);
     38 
     39     /**
     40      * Would the keyguard be secure right now?
     41      * @return Whether the keyguard is currently secure, meaning it will block
     42      *   the user from getting past it until the user enters some sort of PIN.
     43      */
     44     boolean isSecure();
     45 
     46 }
     47