1/*
2 * Copyright (C) 2015 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.messaging.util;
18
19import android.app.Activity;
20import android.app.Fragment;
21import android.content.ActivityNotFoundException;
22import android.content.Intent;
23import android.view.View;
24
25import com.android.messaging.R;
26import com.android.messaging.ui.SnackBar;
27import com.android.messaging.ui.UIIntents;
28
29public class ChangeDefaultSmsAppHelper {
30    private Runnable mRunAfterMadeDefault;
31    private ChangeSmsAppSettingRunnable mChangeSmsAppSettingRunnable;
32
33    private static final int REQUEST_SET_DEFAULT_SMS_APP = 1;
34
35    /**
36     * When there's some condition that prevents an operation, such as sending a message,
37     * call warnOfMissingActionConditions to put up a toast and allow the user to repair
38     * that condition.
39     * @param sending - true if we're called during a sending operation
40     * @param runAfterMadeDefault - a runnable to run after the user responds
41     *                  positively to the condition prompt and resolves the condition. It is
42     *                  preferable to specify the value in {@link #handleChangeDefaultSmsResult}
43     *                  as that handles the case where the process gets restarted.
44     *                  If null, the user will be shown a generic toast message.
45     * @param composeView - compose view that may have the keyboard opened and focused
46     * @param rootView - if non-null, use this to attach a snackBar
47     * @param activity - calling activity
48     * @param fragment - calling fragment, may be null if called directly from an activity
49     */
50    public void warnOfMissingActionConditions(final boolean sending,
51            final Runnable runAfterMadeDefault,
52            final View composeView, final View rootView,
53            final Activity activity, final Fragment fragment) {
54        final PhoneUtils phoneUtils = PhoneUtils.getDefault();
55        final boolean isSmsCapable = phoneUtils.isSmsCapable();
56        final boolean hasPreferredSmsSim = phoneUtils.getHasPreferredSmsSim();
57        final boolean isDefaultSmsApp = phoneUtils.isDefaultSmsApp();
58
59        // Supports SMS?
60        if (!isSmsCapable) {
61            UiUtils.showToast(R.string.sms_disabled);
62
63        // Has a preferred sim?
64        } else if (!hasPreferredSmsSim) {
65            UiUtils.showToast(R.string.no_preferred_sim_selected);
66
67        // Is the default sms app?
68        } else if (!isDefaultSmsApp) {
69            mChangeSmsAppSettingRunnable = new ChangeSmsAppSettingRunnable(activity, fragment);
70            promptToChangeDefaultSmsApp(sending, runAfterMadeDefault,
71                    composeView, rootView, activity);
72        }
73
74        LogUtil.w(LogUtil.BUGLE_TAG, "Unsatisfied action condition: "
75                + "isSmsCapable=" + isSmsCapable + ", "
76                + "hasPreferredSmsSim=" + hasPreferredSmsSim + ", "
77                + "isDefaultSmsApp=" + isDefaultSmsApp);
78    }
79
80    private void promptToChangeDefaultSmsApp(final boolean sending,
81            final Runnable runAfterMadeDefault,
82            final View composeView, final View rootView,
83            final Activity activity) {
84        if (composeView != null) {
85            // Avoid bug in system which puts soft keyboard over dialog after orientation change
86            ImeUtil.hideSoftInput(activity, composeView);
87        }
88        mRunAfterMadeDefault = runAfterMadeDefault;
89
90        if (rootView == null) {
91            // Immediately open the system "Change default SMS app?" dialog setting.
92            mChangeSmsAppSettingRunnable.run();
93        } else {
94            UiUtils.showSnackBarWithCustomAction(activity,
95                    rootView,
96                    activity.getString(sending ? R.string.requires_default_sms_app_to_send :
97                        R.string.requires_default_sms_app),
98                        SnackBar.Action.createCustomAction(mChangeSmsAppSettingRunnable,
99                                activity.getString(R.string.requires_default_sms_change_button)),
100                                null /* interactions */,
101                                SnackBar.Placement.above(composeView));
102        }
103    }
104
105    private class ChangeSmsAppSettingRunnable implements Runnable {
106        private final Activity mActivity;
107        private final Fragment mFragment;
108
109        public ChangeSmsAppSettingRunnable(final Activity activity, final Fragment fragment) {
110            mActivity = activity;
111            mFragment = fragment;
112        }
113
114        @Override
115        public void run() {
116            try {
117                final Intent intent = UIIntents.get().getChangeDefaultSmsAppIntent(mActivity);
118                if (mFragment != null) {
119                    mFragment.startActivityForResult(intent, REQUEST_SET_DEFAULT_SMS_APP);
120                } else {
121                    mActivity.startActivityForResult(intent, REQUEST_SET_DEFAULT_SMS_APP);
122                }
123            } catch (final ActivityNotFoundException ex) {
124                // We shouldn't get here, but the monkey on JB MR0 can trigger it.
125                LogUtil.w(LogUtil.BUGLE_TAG, "Couldn't find activity:", ex);
126                UiUtils.showToastAtBottom(R.string.activity_not_found_message);
127            }
128        }
129    }
130
131    public void handleChangeDefaultSmsResult(
132            final int requestCode,
133            final int resultCode,
134            Runnable runAfterMadeDefault) {
135        Assert.isTrue(mRunAfterMadeDefault == null || runAfterMadeDefault == null);
136        if (runAfterMadeDefault == null) {
137            runAfterMadeDefault = mRunAfterMadeDefault;
138        }
139
140        if (requestCode == REQUEST_SET_DEFAULT_SMS_APP) {
141            if (resultCode == Activity.RESULT_OK) {
142                // mRunAfterMadeDefault can be null if it was set only in
143                // promptToChangeDefaultSmsApp, and the process subsequently restarted when the
144                // user momentarily switched to another app. In that case, we'll simply show a
145                // generic toast since we do not know what the runnable was supposed to do.
146                if  (runAfterMadeDefault != null) {
147                    runAfterMadeDefault.run();
148                } else {
149                    UiUtils.showToast(R.string.toast_after_setting_default_sms_app);
150                }
151            }
152            mRunAfterMadeDefault = null;    // don't want to accidentally run it again
153        }
154    }
155}
156
157
158