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.Helper.sDebug;
20import static com.android.server.autofill.Helper.sVerbose;
21
22import android.annotation.NonNull;
23import android.app.Dialog;
24import android.content.Context;
25import android.content.IntentSender;
26import android.os.Handler;
27import android.service.autofill.SaveInfo;
28import android.text.Html;
29import android.util.ArraySet;
30import android.util.Slog;
31import android.view.Gravity;
32import android.view.Window;
33import android.view.WindowManager;
34import android.widget.TextView;
35import android.view.LayoutInflater;
36import android.view.View;
37
38import com.android.internal.R;
39import com.android.server.UiThread;
40
41import java.io.PrintWriter;
42
43/**
44 * Autofill Save Prompt
45 */
46final class SaveUi {
47
48    private static final String TAG = "AutofillSaveUi";
49
50    public interface OnSaveListener {
51        void onSave();
52        void onCancel(IntentSender listener);
53        void onDestroy();
54    }
55
56    private class OneTimeListener implements OnSaveListener {
57
58        private final OnSaveListener mRealListener;
59        private boolean mDone;
60
61        OneTimeListener(OnSaveListener realListener) {
62            mRealListener = realListener;
63        }
64
65        @Override
66        public void onSave() {
67            if (sDebug) Slog.d(TAG, "OneTimeListener.onSave(): " + mDone);
68            if (mDone) {
69                return;
70            }
71            mDone = true;
72            mRealListener.onSave();
73        }
74
75        @Override
76        public void onCancel(IntentSender listener) {
77            if (sDebug) Slog.d(TAG, "OneTimeListener.onCancel(): " + mDone);
78            if (mDone) {
79                return;
80            }
81            mDone = true;
82            mRealListener.onCancel(listener);
83        }
84
85        @Override
86        public void onDestroy() {
87            if (sDebug) Slog.d(TAG, "OneTimeListener.onDestroy(): " + mDone);
88            if (mDone) {
89                return;
90            }
91            mDone = true;
92            mRealListener.onDestroy();
93        }
94    }
95
96    private final Handler mHandler = UiThread.getHandler();
97
98    private final @NonNull Dialog mDialog;
99
100    private final @NonNull OneTimeListener mListener;
101
102    private final @NonNull OverlayControl mOverlayControl;
103
104    private final CharSequence mTitle;
105    private final CharSequence mSubTitle;
106
107    private boolean mDestroyed;
108
109    SaveUi(@NonNull Context context, @NonNull CharSequence providerLabel, @NonNull SaveInfo info,
110           @NonNull OverlayControl overlayControl, @NonNull OnSaveListener listener) {
111        mListener = new OneTimeListener(listener);
112        mOverlayControl = overlayControl;
113
114        final LayoutInflater inflater = LayoutInflater.from(context);
115        final View view = inflater.inflate(R.layout.autofill_save, null);
116
117        final TextView titleView = (TextView) view.findViewById(R.id.autofill_save_title);
118
119        final ArraySet<String> types = new ArraySet<>(3);
120        final int type = info.getType();
121
122        if ((type & SaveInfo.SAVE_DATA_TYPE_PASSWORD) != 0) {
123            types.add(context.getString(R.string.autofill_save_type_password));
124        }
125        if ((type & SaveInfo.SAVE_DATA_TYPE_ADDRESS) != 0) {
126            types.add(context.getString(R.string.autofill_save_type_address));
127        }
128        if ((type & SaveInfo.SAVE_DATA_TYPE_CREDIT_CARD) != 0) {
129            types.add(context.getString(R.string.autofill_save_type_credit_card));
130        }
131        if ((type & SaveInfo.SAVE_DATA_TYPE_USERNAME) != 0) {
132            types.add(context.getString(R.string.autofill_save_type_username));
133        }
134        if ((type & SaveInfo.SAVE_DATA_TYPE_EMAIL_ADDRESS) != 0) {
135            types.add(context.getString(R.string.autofill_save_type_email_address));
136        }
137
138        switch (types.size()) {
139            case 1:
140                mTitle = Html.fromHtml(context.getString(R.string.autofill_save_title_with_type,
141                        types.valueAt(0), providerLabel), 0);
142                break;
143            case 2:
144                mTitle = Html.fromHtml(context.getString(R.string.autofill_save_title_with_2types,
145                        types.valueAt(0), types.valueAt(1), providerLabel), 0);
146                break;
147            case 3:
148                mTitle = Html.fromHtml(context.getString(R.string.autofill_save_title_with_3types,
149                        types.valueAt(0), types.valueAt(1), types.valueAt(2), providerLabel), 0);
150                break;
151            default:
152                // Use generic if more than 3 or invalid type (size 0).
153                mTitle = Html.fromHtml(
154                        context.getString(R.string.autofill_save_title, providerLabel), 0);
155        }
156
157        titleView.setText(mTitle);
158        mSubTitle = info.getDescription();
159        if (mSubTitle != null) {
160            final TextView subTitleView = (TextView) view.findViewById(R.id.autofill_save_subtitle);
161            subTitleView.setText(mSubTitle);
162            subTitleView.setVisibility(View.VISIBLE);
163        }
164
165        if (sDebug) {
166            Slog.d(TAG, "on constructor: title=" + mTitle + ", subTitle=" + mSubTitle);
167        }
168
169        final TextView noButton = view.findViewById(R.id.autofill_save_no);
170        if (info.getNegativeActionStyle() == SaveInfo.NEGATIVE_BUTTON_STYLE_REJECT) {
171            noButton.setText(R.string.save_password_notnow);
172        } else {
173            noButton.setText(R.string.autofill_save_no);
174        }
175        View.OnClickListener cancelListener =
176                (v) -> mListener.onCancel(info.getNegativeActionListener());
177        noButton.setOnClickListener(cancelListener);
178
179        final View yesButton = view.findViewById(R.id.autofill_save_yes);
180        yesButton.setOnClickListener((v) -> mListener.onSave());
181
182        final View closeButton = view.findViewById(R.id.autofill_save_close);
183        closeButton.setOnClickListener(cancelListener);
184
185        mDialog = new Dialog(context, R.style.Theme_DeviceDefault_Light_Panel);
186        mDialog.setContentView(view);
187
188        final Window window = mDialog.getWindow();
189        window.setType(WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY);
190        window.addFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
191                | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
192                | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
193                | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH);
194        window.addPrivateFlags(WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS);
195        window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
196        window.setGravity(Gravity.BOTTOM | Gravity.CENTER);
197        window.setCloseOnTouchOutside(true);
198        final WindowManager.LayoutParams params = window.getAttributes();
199        params.width = WindowManager.LayoutParams.MATCH_PARENT;
200        params.accessibilityTitle = context.getString(R.string.autofill_save_accessibility_title);
201
202        Slog.i(TAG, "Showing save dialog: " + mTitle);
203        mDialog.show();
204        mOverlayControl.hideOverlays();
205    }
206
207    void destroy() {
208        try {
209            if (sDebug) Slog.d(TAG, "destroy()");
210            throwIfDestroyed();
211            mListener.onDestroy();
212            mHandler.removeCallbacksAndMessages(mListener);
213            if (sVerbose) Slog.v(TAG, "destroy(): dismissing dialog");
214            mDialog.dismiss();
215            mDestroyed = true;
216        } finally {
217            mOverlayControl.showOverlays();
218        }
219    }
220
221    private void throwIfDestroyed() {
222        if (mDestroyed) {
223            throw new IllegalStateException("cannot interact with a destroyed instance");
224        }
225    }
226
227    @Override
228    public String toString() {
229        return mTitle == null ? "NO TITLE" : mTitle.toString();
230    }
231
232    void dump(PrintWriter pw, String prefix) {
233        pw.print(prefix); pw.print("title: "); pw.println(mTitle);
234        pw.print(prefix); pw.print("subtitle: "); pw.println(mSubTitle);
235
236        final View view = mDialog.getWindow().getDecorView();
237        final int[] loc = view.getLocationOnScreen();
238        pw.print(prefix); pw.print("coordinates: ");
239            pw.print('('); pw.print(loc[0]); pw.print(','); pw.print(loc[1]);pw.print(')');
240            pw.print('(');
241                pw.print(loc[0] + view.getWidth()); pw.print(',');
242                pw.print(loc[1] + view.getHeight());pw.println(')');
243        pw.print(prefix); pw.print("destroyed: "); pw.println(mDestroyed);
244    }
245}
246