SaveUi.java revision 56d86dd775b7239db9b2289bf1994b3dc2924d61 
1/*
2 * Copyright (C) 2017 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.server.autofill.ui;
18
19import static com.android.server.autofill.ui.Helper.DEBUG;
20
21import android.annotation.NonNull;
22import android.app.Dialog;
23import android.content.Context;
24import android.content.IntentSender;
25import android.os.Handler;
26import android.service.autofill.SaveInfo;
27import android.util.ArraySet;
28import android.util.Slog;
29import android.view.Gravity;
30import android.view.Window;
31import android.view.WindowManager;
32import android.widget.TextView;
33import android.view.LayoutInflater;
34import android.view.View;
35
36import com.android.internal.R;
37import com.android.server.UiThread;
38
39/**
40 * Autofill Save Prompt
41 */
42final class SaveUi {
43
44    private static final String TAG = "SaveUi";
45
46    public interface OnSaveListener {
47        void onSave();
48        void onCancel(IntentSender listener);
49        void onDestroy();
50    }
51
52    private class OneTimeListener implements OnSaveListener {
53
54        private final OnSaveListener mRealListener;
55        private boolean mDone;
56
57        OneTimeListener(OnSaveListener realListener) {
58            mRealListener = realListener;
59        }
60
61        @Override
62        public void onSave() {
63            if (DEBUG) Slog.d(TAG, "onSave(): " + mDone);
64            if (mDone) {
65                return;
66            }
67            mDone = true;
68            mRealListener.onSave();
69        }
70
71        @Override
72        public void onCancel(IntentSender listener) {
73            if (DEBUG) Slog.d(TAG, "onCancel(): " + mDone);
74            if (mDone) {
75                return;
76            }
77            mDone = true;
78            mRealListener.onCancel(listener);
79        }
80
81        @Override
82        public void onDestroy() {
83            if (DEBUG) Slog.d(TAG, "onDestroy(): " + mDone);
84            if (mDone) {
85                return;
86            }
87            mDone = true;
88            mRealListener.onDestroy();
89        }
90    }
91
92    private final Handler mHandler = UiThread.getHandler();
93
94    private final @NonNull Dialog mDialog;
95
96    private final @NonNull OneTimeListener mListener;
97
98    private boolean mDestroyed;
99
100    SaveUi(@NonNull Context context, @NonNull CharSequence providerLabel, @NonNull SaveInfo info,
101            @NonNull OnSaveListener listener) {
102        mListener = new OneTimeListener(listener);
103
104        final LayoutInflater inflater = LayoutInflater.from(context);
105        final View view = inflater.inflate(R.layout.autofill_save, null);
106
107        final TextView titleView = (TextView) view.findViewById(R.id.autofill_save_title);
108
109        final ArraySet<String> types = new ArraySet<>(3);
110        final int type = info.getType();
111
112        if ((type & SaveInfo.SAVE_DATA_TYPE_PASSWORD) != 0) {
113            types.add(context.getString(R.string.autofill_save_type_password));
114        }
115        if ((type & SaveInfo.SAVE_DATA_TYPE_ADDRESS) != 0) {
116            types.add(context.getString(R.string.autofill_save_type_address));
117        }
118        if ((type & SaveInfo.SAVE_DATA_TYPE_CREDIT_CARD) != 0) {
119            types.add(context.getString(R.string.autofill_save_type_credit_card));
120        }
121        if ((type & SaveInfo.SAVE_DATA_TYPE_USERNAME) != 0) {
122            types.add(context.getString(R.string.autofill_save_type_username));
123        }
124        if ((type & SaveInfo.SAVE_DATA_TYPE_EMAIL_ADDRESS) != 0) {
125            types.add(context.getString(R.string.autofill_save_type_email_address));
126        }
127
128        final String title;
129        switch (types.size()) {
130            case 1:
131                title = context.getString(R.string.autofill_save_title_with_type,
132                        types.valueAt(0), providerLabel);
133                break;
134            case 2:
135                title = context.getString(R.string.autofill_save_title_with_2types,
136                        types.valueAt(0), types.valueAt(1), providerLabel);
137                break;
138            case 3:
139                title = context.getString(R.string.autofill_save_title_with_3types,
140                        types.valueAt(0), types.valueAt(1), types.valueAt(2), providerLabel);
141                break;
142            default:
143                // Use generic if more than 3 or invalid type (size 0).
144                title = context.getString(R.string.autofill_save_title, providerLabel);
145        }
146
147        titleView.setText(title);
148        final CharSequence subTitle = info.getDescription();
149        if (subTitle != null) {
150            final TextView subTitleView = (TextView) view.findViewById(R.id.autofill_save_subtitle);
151            subTitleView.setText(subTitle);
152            subTitleView.setVisibility(View.VISIBLE);
153        }
154
155        if (DEBUG) {
156            Slog.d(TAG, "Title: " + title + " SubTitle: " + subTitle);
157        }
158
159        final TextView noButton = view.findViewById(R.id.autofill_save_no);
160        if (info.getNegativeActionTitle() != null) {
161            noButton.setText(info.getNegativeActionTitle());
162            noButton.setOnClickListener((v) -> mListener.onCancel(
163                    info.getNegativeActionListener()));
164        } else {
165            noButton.setOnClickListener((v) -> mListener.onCancel(null));
166        }
167
168        final View yesButton = view.findViewById(R.id.autofill_save_yes);
169        yesButton.setOnClickListener((v) -> mListener.onSave());
170
171        final View closeButton = view.findViewById(R.id.autofill_save_close);
172        closeButton.setOnClickListener((v) -> mListener.onCancel(null));
173
174        mDialog = new Dialog(context, R.style.Theme_Material_Panel);
175        mDialog.setContentView(view);
176
177        final Window window = mDialog.getWindow();
178        window.setType(WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY);
179        window.addFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
180                | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
181                | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
182                | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH);
183        window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
184        window.setGravity(Gravity.BOTTOM | Gravity.CENTER);
185        window.setCloseOnTouchOutside(true);
186        final WindowManager.LayoutParams params = window.getAttributes();
187        params.width = WindowManager.LayoutParams.MATCH_PARENT;
188        params.accessibilityTitle = context.getString(R.string.autofill_save_accessibility_title);
189
190        mDialog.show();
191    }
192
193    void destroy() {
194        throwIfDestroyed();
195        mListener.onDestroy();
196        mHandler.removeCallbacksAndMessages(mListener);
197        mDialog.dismiss();
198        mDestroyed = true;
199    }
200
201    private void throwIfDestroyed() {
202        if (mDestroyed) {
203            throw new IllegalStateException("cannot interact with a destroyed instance");
204        }
205    }
206}
207