1/*
2 * Copyright (C) 2016 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.phone;
18
19import android.content.Context;
20import android.os.UserHandle;
21import android.os.UserManager;
22import android.preference.PreferenceScreen;
23import android.preference.SwitchPreference;
24import android.util.AttributeSet;
25import android.view.View;
26import android.widget.TextView;
27
28import com.android.settingslib.RestrictedLockUtils;
29import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
30
31public class RestrictedSwitchPreference extends SwitchPreference {
32    private final Context mContext;
33    private boolean mDisabledByAdmin;
34    private final int mSwitchWidgetResId;
35
36    public RestrictedSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr,
37            int defStyleRes) {
38        super(context, attrs, defStyleAttr, defStyleRes);
39        mSwitchWidgetResId = getWidgetLayoutResource();
40        mContext = context;
41    }
42
43    public RestrictedSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr) {
44        this(context, attrs, defStyleAttr, 0);
45    }
46
47    public RestrictedSwitchPreference(Context context, AttributeSet attrs) {
48        this(context, attrs, com.android.internal.R.attr.switchPreferenceStyle);
49    }
50
51    public RestrictedSwitchPreference(Context context) {
52        this(context, null);
53    }
54
55    @Override
56    public void onBindView(View view) {
57        super.onBindView(view);
58        if (mDisabledByAdmin) {
59            view.setEnabled(true);
60        }
61        final TextView summaryView = (TextView) view.findViewById(android.R.id.summary);
62        if (summaryView != null && mDisabledByAdmin) {
63            summaryView.setText(
64                    isChecked() ? R.string.enabled_by_admin : R.string.disabled_by_admin);
65            summaryView.setVisibility(View.VISIBLE);
66        }
67    }
68
69    public void checkRestrictionAndSetDisabled(String userRestriction) {
70        UserManager um = UserManager.get(mContext);
71        UserHandle user = UserHandle.of(um.getUserHandle());
72        boolean disabledByAdmin = um.hasUserRestriction(userRestriction, user)
73                && !um.hasBaseUserRestriction(userRestriction, user);
74        setDisabledByAdmin(disabledByAdmin);
75    }
76
77    @Override
78    public void setEnabled(boolean enabled) {
79        if (enabled && mDisabledByAdmin) {
80            setDisabledByAdmin(false);
81        } else {
82            super.setEnabled(enabled);
83        }
84    }
85
86    public void setDisabledByAdmin(boolean disabled) {
87        if (mDisabledByAdmin != disabled) {
88            mDisabledByAdmin = disabled;
89            setWidgetLayoutResource(disabled ? R.layout.restricted_icon : mSwitchWidgetResId);
90            setEnabled(!disabled);
91        }
92    }
93
94    @Override
95    public void performClick(PreferenceScreen preferenceScreen) {
96        if (mDisabledByAdmin) {
97            RestrictedLockUtils.sendShowAdminSupportDetailsIntent(mContext,
98                    new EnforcedAdmin());
99        } else {
100            super.performClick(preferenceScreen);
101        }
102    }
103}
104