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.settings.users;
18
19import com.android.internal.util.CharSequences;
20import com.android.settings.R;
21
22import android.content.Context;
23import android.os.UserHandle;
24import android.os.UserManager;
25import android.preference.Preference;
26import android.util.AttributeSet;
27import android.view.View;
28import android.view.View.OnClickListener;
29
30public class UserPreference extends Preference {
31
32    public static final int USERID_UNKNOWN = -10;
33
34    private OnClickListener mDeleteClickListener;
35    private OnClickListener mSettingsClickListener;
36    private int mSerialNumber = -1;
37    private int mUserId = USERID_UNKNOWN;
38    private boolean mRestricted;
39    private boolean mSelf;
40    static final int SETTINGS_ID = R.id.manage_user;
41    static final int DELETE_ID = R.id.trash_user;
42
43    public UserPreference(Context context, AttributeSet attrs) {
44        this(context, attrs, USERID_UNKNOWN, null, null);
45    }
46
47    UserPreference(Context context, AttributeSet attrs, int userId,
48            OnClickListener settingsListener,
49            OnClickListener deleteListener) {
50        super(context, attrs);
51        if (deleteListener != null || settingsListener != null) {
52            setWidgetLayoutResource(R.layout.preference_user_delete_widget);
53        }
54        mDeleteClickListener = deleteListener;
55        mSettingsClickListener = settingsListener;
56        mUserId = userId;
57    }
58
59    @Override
60    protected void onBindView(View view) {
61        View deleteDividerView = view.findViewById(R.id.divider_delete);
62        View manageDividerView = view.findViewById(R.id.divider_manage);
63        View deleteView = view.findViewById(R.id.trash_user);
64        if (deleteView != null) {
65            if (mDeleteClickListener != null) {
66                deleteView.setOnClickListener(mDeleteClickListener);
67                deleteView.setTag(this);
68            } else {
69                deleteView.setVisibility(View.GONE);
70                deleteDividerView.setVisibility(View.GONE);
71            }
72        }
73        View manageView = view.findViewById(R.id.manage_user);
74        if (manageView != null) {
75            if (mSettingsClickListener != null) {
76                manageView.setOnClickListener(mSettingsClickListener);
77                manageView.setTag(this);
78                if (mDeleteClickListener != null) {
79                    manageDividerView.setVisibility(View.GONE);
80                }
81            } else {
82                manageView.setVisibility(View.GONE);
83                manageDividerView.setVisibility(View.GONE);
84            }
85        }
86        super.onBindView(view);
87    }
88
89    private int getSerialNumber() {
90        if (mUserId == UserHandle.myUserId()) return Integer.MIN_VALUE;
91        if (mSerialNumber < 0) {
92            // If the userId is unknown
93            if (mUserId == USERID_UNKNOWN) return Integer.MAX_VALUE;
94            mSerialNumber = ((UserManager) getContext().getSystemService(Context.USER_SERVICE))
95                    .getUserSerialNumber(mUserId);
96            if (mSerialNumber < 0) return mUserId;
97        }
98        return mSerialNumber;
99    }
100
101    public int getUserId() {
102        return mUserId;
103    }
104
105    public int compareTo(Preference another) {
106        if (another instanceof UserPreference) {
107            return getSerialNumber() > ((UserPreference) another).getSerialNumber() ? 1 : -1;
108        } else {
109            return 1;
110        }
111    }
112}
113