SaveUi.java revision 7fc29dd9311cc36c3eb2a6a05aeed2d39ddcc604 
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.CustomDescription;
28import android.service.autofill.SaveInfo;
29import android.service.autofill.ValueFinder;
30import android.text.Html;
31import android.util.ArraySet;
32import android.util.Slog;
33import android.view.Gravity;
34import android.view.Window;
35import android.view.WindowManager;
36import android.widget.LinearLayout;
37import android.widget.RemoteViews;
38import android.widget.TextView;
39import android.view.LayoutInflater;
40import android.view.View;
41
42import com.android.internal.R;
43import com.android.server.UiThread;
44
45import java.io.PrintWriter;
46
47/**
48 * Autofill Save Prompt
49 */
50final class SaveUi {
51
52    private static final String TAG = "AutofillSaveUi";
53
54    public interface OnSaveListener {
55        void onSave();
56        void onCancel(IntentSender listener);
57        void onDestroy();
58    }
59
60    private class OneTimeListener implements OnSaveListener {
61
62        private final OnSaveListener mRealListener;
63        private boolean mDone;
64
65        OneTimeListener(OnSaveListener realListener) {
66            mRealListener = realListener;
67        }
68
69        @Override
70        public void onSave() {
71            if (sDebug) Slog.d(TAG, "OneTimeListener.onSave(): " + mDone);
72            if (mDone) {
73                return;
74            }
75            mDone = true;
76            mRealListener.onSave();
77        }
78
79        @Override
80        public void onCancel(IntentSender listener) {
81            if (sDebug) Slog.d(TAG, "OneTimeListener.onCancel(): " + mDone);
82            if (mDone) {
83                return;
84            }
85            mDone = true;
86            mRealListener.onCancel(listener);
87        }
88
89        @Override
90        public void onDestroy() {
91            if (sDebug) Slog.d(TAG, "OneTimeListener.onDestroy(): " + mDone);
92            if (mDone) {
93                return;
94            }
95            mDone = true;
96            mRealListener.onDestroy();
97        }
98    }
99
100    private final Handler mHandler = UiThread.getHandler();
101
102    private final @NonNull Dialog mDialog;
103
104    private final @NonNull OneTimeListener mListener;
105
106    private final @NonNull OverlayControl mOverlayControl;
107
108    private final CharSequence mTitle;
109    private final CharSequence mSubTitle;
110
111    private boolean mDestroyed;
112
113    SaveUi(@NonNull Context context, @NonNull CharSequence providerLabel, @NonNull SaveInfo info,
114           @NonNull ValueFinder valueFinder, @NonNull OverlayControl overlayControl,
115           @NonNull OnSaveListener listener) {
116        mListener = new OneTimeListener(listener);
117        mOverlayControl = overlayControl;
118
119        final LayoutInflater inflater = LayoutInflater.from(context);
120        final View view = inflater.inflate(R.layout.autofill_save, null);
121
122        final TextView titleView = view.findViewById(R.id.autofill_save_title);
123
124        final ArraySet<String> types = new ArraySet<>(3);
125        final int type = info.getType();
126
127        if ((type & SaveInfo.SAVE_DATA_TYPE_PASSWORD) != 0) {
128            types.add(context.getString(R.string.autofill_save_type_password));
129        }
130        if ((type & SaveInfo.SAVE_DATA_TYPE_ADDRESS) != 0) {
131            types.add(context.getString(R.string.autofill_save_type_address));
132        }
133        if ((type & SaveInfo.SAVE_DATA_TYPE_CREDIT_CARD) != 0) {
134            types.add(context.getString(R.string.autofill_save_type_credit_card));
135        }
136        if ((type & SaveInfo.SAVE_DATA_TYPE_USERNAME) != 0) {
137            types.add(context.getString(R.string.autofill_save_type_username));
138        }
139        if ((type & SaveInfo.SAVE_DATA_TYPE_EMAIL_ADDRESS) != 0) {
140            types.add(context.getString(R.string.autofill_save_type_email_address));
141        }
142
143        final CustomDescription customDescription = info.getCustomDescription();
144
145        if (customDescription != null) {
146            if (sDebug) Slog.d(TAG, "Using custom description");
147
148            final RemoteViews presentation = customDescription.getPresentation(valueFinder);
149            if (presentation != null) {
150                try {
151                    final View remote = presentation.apply(context, null);
152                    final LinearLayout layout = view.findViewById(
153                            R.id.autofill_save_custom_subtitle);
154                    layout.addView(remote);
155                    layout.setVisibility(View.VISIBLE);
156                } catch (Exception e) {
157                    Slog.e(TAG, "Could not inflate custom description. ", e);
158                }
159            } else {
160                Slog.w(TAG, "could not create remote presentation for custom title");
161            }
162        }
163
164        switch (types.size()) {
165            case 1:
166                mTitle = Html.fromHtml(context.getString(R.string.autofill_save_title_with_type,
167                        types.valueAt(0), providerLabel), 0);
168                break;
169            case 2:
170                mTitle = Html.fromHtml(context.getString(R.string.autofill_save_title_with_2types,
171                        types.valueAt(0), types.valueAt(1), providerLabel), 0);
172                break;
173            case 3:
174                mTitle = Html.fromHtml(context.getString(R.string.autofill_save_title_with_3types,
175                        types.valueAt(0), types.valueAt(1), types.valueAt(2), providerLabel), 0);
176                break;
177            default:
178                // Use generic if more than 3 or invalid type (size 0).
179                mTitle = Html.fromHtml(
180                        context.getString(R.string.autofill_save_title, providerLabel), 0);
181        }
182
183        titleView.setText(mTitle);
184        mSubTitle = info.getDescription();
185        if (mSubTitle != null) {
186            final TextView subTitleView = (TextView) view.findViewById(R.id.autofill_save_subtitle);
187            subTitleView.setText(mSubTitle);
188            subTitleView.setVisibility(View.VISIBLE);
189        }
190
191        if (sDebug) Slog.d(TAG, "on constructor: title=" + mTitle + ", subTitle=" + mSubTitle);
192
193        final TextView noButton = view.findViewById(R.id.autofill_save_no);
194        if (info.getNegativeActionStyle() == SaveInfo.NEGATIVE_BUTTON_STYLE_REJECT) {
195            noButton.setText(R.string.save_password_notnow);
196        } else {
197            noButton.setText(R.string.autofill_save_no);
198        }
199        View.OnClickListener cancelListener =
200                (v) -> mListener.onCancel(info.getNegativeActionListener());
201        noButton.setOnClickListener(cancelListener);
202
203        final View yesButton = view.findViewById(R.id.autofill_save_yes);
204        yesButton.setOnClickListener((v) -> mListener.onSave());
205
206        final View closeButton = view.findViewById(R.id.autofill_save_close);
207        closeButton.setOnClickListener(cancelListener);
208
209        mDialog = new Dialog(context, R.style.Theme_DeviceDefault_Light_Panel);
210        mDialog.setContentView(view);
211
212        final Window window = mDialog.getWindow();
213        window.setType(WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY);
214        window.addFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
215                | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
216                | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
217                | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH);
218        window.addPrivateFlags(WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS);
219        window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
220        window.setGravity(Gravity.BOTTOM | Gravity.CENTER);
221        window.setCloseOnTouchOutside(true);
222        final WindowManager.LayoutParams params = window.getAttributes();
223        params.width = WindowManager.LayoutParams.MATCH_PARENT;
224        params.accessibilityTitle = context.getString(R.string.autofill_save_accessibility_title);
225
226        Slog.i(TAG, "Showing save dialog: " + mTitle);
227        mDialog.show();
228        mOverlayControl.hideOverlays();
229    }
230
231    void destroy() {
232        try {
233            if (sDebug) Slog.d(TAG, "destroy()");
234            throwIfDestroyed();
235            mListener.onDestroy();
236            mHandler.removeCallbacksAndMessages(mListener);
237            if (sVerbose) Slog.v(TAG, "destroy(): dismissing dialog");
238            mDialog.dismiss();
239            mDestroyed = true;
240        } finally {
241            mOverlayControl.showOverlays();
242        }
243    }
244
245    private void throwIfDestroyed() {
246        if (mDestroyed) {
247            throw new IllegalStateException("cannot interact with a destroyed instance");
248        }
249    }
250
251    @Override
252    public String toString() {
253        return mTitle == null ? "NO TITLE" : mTitle.toString();
254    }
255
256    void dump(PrintWriter pw, String prefix) {
257        pw.print(prefix); pw.print("title: "); pw.println(mTitle);
258        pw.print(prefix); pw.print("subtitle: "); pw.println(mSubTitle);
259
260        final View view = mDialog.getWindow().getDecorView();
261        final int[] loc = view.getLocationOnScreen();
262        pw.print(prefix); pw.print("coordinates: ");
263            pw.print('('); pw.print(loc[0]); pw.print(','); pw.print(loc[1]);pw.print(')');
264            pw.print('(');
265                pw.print(loc[0] + view.getWidth()); pw.print(',');
266                pw.print(loc[1] + view.getHeight());pw.println(')');
267        pw.print(prefix); pw.print("destroyed: "); pw.println(mDestroyed);
268    }
269}
270