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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 import android.util.Log;
21 import android.view.FallbackEventHandler;
22 import android.view.LayoutInflater;
23 import android.view.Window;
24 import android.view.WindowManagerPolicy;
25 
26 import com.android.internal.policy.IPolicy;
27 import com.android.internal.policy.impl.PhoneLayoutInflater;
28 import com.android.internal.policy.impl.PhoneWindow;
29 import com.android.internal.policy.impl.PhoneWindowManager;
30 
31 /**
32  * {@hide}
33  */
34 
35 // Simple implementation of the policy interface that spawns the right
36 // set of objects
37 public class Policy implements IPolicy {
38     private static final String TAG = "PhonePolicy";
39 
40     private static final String[] preload_classes = {
41         "com.android.internal.policy.impl.PhoneLayoutInflater",
42         "com.android.internal.policy.impl.PhoneWindow",
43         "com.android.internal.policy.impl.PhoneWindow$1",
44         "com.android.internal.policy.impl.PhoneWindow$ContextMenuCallback",
45         "com.android.internal.policy.impl.PhoneWindow$DecorView",
46         "com.android.internal.policy.impl.PhoneWindow$PanelFeatureState",
47         "com.android.internal.policy.impl.PhoneWindow$PanelFeatureState$SavedState",
48     };
49 
50     static {
51         // For performance reasons, preload some policy specific classes when
52         // the policy gets loaded.
53         for (String s : preload_classes) {
54             try {
55                 Class.forName(s);
56             } catch (ClassNotFoundException ex) {
57                 Log.e(TAG, "Could not preload class for phone policy: " + s);
58             }
59         }
60     }
61 
makeNewWindow(Context context)62     public Window makeNewWindow(Context context) {
63         return new PhoneWindow(context);
64     }
65 
makeNewLayoutInflater(Context context)66     public LayoutInflater makeNewLayoutInflater(Context context) {
67         return new PhoneLayoutInflater(context);
68     }
69 
makeNewWindowManager()70     public WindowManagerPolicy makeNewWindowManager() {
71         return new PhoneWindowManager();
72     }
73 
makeNewFallbackEventHandler(Context context)74     public FallbackEventHandler makeNewFallbackEventHandler(Context context) {
75         return new PhoneFallbackEventHandler(context);
76     }
77 }
78