1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.email.view;
import android.content.Context;
import android.content.res.Resources;
import android.os.Parcel;
import android.os.Parcelable;
import android.security.KeyChain;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.android.email.R;
import com.android.email.activity.UiUtilities;
/**
* A simple view that can be used to select a certificate from the system {@link KeyChain}.
*
* Host activities must register themselves view {@link #setHostCallback} for this selector to work.
*/
public class CertificateSelector extends RelativeLayout implements OnClickListener {
/** Button to select or remove the certificate. */
private Button mSelectButton;
private TextView mAliasText;
/** The value of the cert selected, if any. Null, otherwise. */
private String mValue;
/** The host activity. */
private HostCallback mHost;
public interface HostCallback {
void onCertificateRequested();
}
public CertificateSelector(Context context) {
super(context);
}
public CertificateSelector(Context context, AttributeSet attrs) {
super(context, attrs);
}
public CertificateSelector(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public void setHostCallback(HostCallback host) {
mHost = host;
}
public void setDelegate(String uri) {
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mAliasText = UiUtilities.getView(this, R.id.certificate_alias);
mSelectButton = UiUtilities.getView(this, R.id.select_button);
mSelectButton.setOnClickListener(this);
setCertificate(null);
}
public void setCertificate(String alias) {
Resources res = getResources();
mValue = alias;
mAliasText.setText(
TextUtils.isEmpty(alias)
? res.getString(R.string.account_setup_exchange_no_certificate)
: alias);
mSelectButton.setText(res.getString(
TextUtils.isEmpty(alias)
? R.string.account_setup_exchange_select_certificate
: R.string.account_setup_exchange_remove_certificate));
}
public boolean hasCertificate() {
return mValue != null;
}
/**
* Gets the alias for the currently selected certificate, or null if one is not selected.
*/
public String getCertificate() {
return mValue;
}
@Override
public void onClick(View target) {
if (target == mSelectButton && mHost != null) {
if (hasCertificate()) {
// Handle the click on the button when it says "Remove"
setCertificate(null);
} else {
mHost.onCertificateRequested();
}
}
}
@Override
protected void onRestoreInstanceState(Parcelable parcel) {
SavedState savedState = (SavedState) parcel;
super.onRestoreInstanceState(savedState.getSuperState());
setCertificate(savedState.mValue);
}
@Override
protected Parcelable onSaveInstanceState() {
return new SavedState(super.onSaveInstanceState(), getCertificate());
}
public static class SavedState extends BaseSavedState {
final String mValue;
SavedState(Parcelable superState, String value) {
super(superState);
mValue = value;
}
@Override
public void writeToParcel(Parcel out, int flags) {
super.writeToParcel(out, flags);
out.writeString(mValue);
}
@SuppressWarnings("hiding")
public static final Parcelable.Creator<SavedState> CREATOR
= new Parcelable.Creator<SavedState>() {
@Override
public SavedState createFromParcel(Parcel in) {
return new SavedState(in);
}
@Override
public SavedState[] newArray(int size) {
return new SavedState[size];
}
};
private SavedState(Parcel in) {
super(in);
mValue = in.readString();
}
}
}
|
