1/*
2 * Copyright (C) 2013 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.mail.ui;
18
19import android.app.Activity;
20import android.content.ContentResolver;
21import android.content.Context;
22import android.content.res.Resources;
23import android.text.Html;
24import android.text.Spannable;
25import android.text.SpannableString;
26import android.text.Spanned;
27import android.text.TextUtils;
28import android.text.style.TextAppearanceSpan;
29import android.util.Log;
30import android.view.View;
31
32import com.android.mail.R;
33import com.android.mail.analytics.Analytics;
34import com.android.mail.browse.ConversationCursor;
35import com.android.mail.preferences.AccountPreferences;
36import com.android.mail.preferences.MailPrefs;
37import com.android.mail.providers.Account;
38import com.android.mail.providers.Folder;
39import com.android.mail.utils.LogTag;
40import com.android.mail.utils.LogUtils;
41import com.android.mail.utils.StyleUtils;
42import com.android.mail.utils.Utils;
43
44/**
45 * A tip displayed on top of conversation view to indicate that Gmail sync is
46 * currently disabled on this account.
47 */
48public class ConversationSyncDisabledTipView extends ConversationTipView {
49    public static final String LOG_TAG = LogTag.getLogTag();
50    private Account mAccount = null;
51    private Folder mFolder = null;
52    private final MailPrefs mMailPrefs;
53    private AccountPreferences mAccountPreferences;
54    private Activity mActivity;
55
56    private int mReasonSyncOff = ReasonSyncOff.NONE;
57
58    public interface ReasonSyncOff {
59        // Background sync is enabled for current account, do not display this tip
60        public static final int NONE = 0;
61        // Global auto-sync (affects all apps and all accounts) is turned off
62        public static final int AUTO_SYNC_OFF = 1;
63        // Global auto-sync is on, but Gmail app level sync is disabled for this particular account
64        public static final int ACCOUNT_SYNC_OFF = 2;
65    }
66
67    public ConversationSyncDisabledTipView(final Context context) {
68        super(context);
69
70        mMailPrefs = MailPrefs.get(context);
71    }
72
73    @Override
74    protected OnClickListener getTextAreaOnClickListener() {
75        return new OnClickListener() {
76            @Override
77            public void onClick(View view) {
78                if (mReasonSyncOff == ReasonSyncOff.AUTO_SYNC_OFF) {
79                    final TurnAutoSyncOnDialog dialog = TurnAutoSyncOnDialog.newInstance(
80                            mAccount.getAccountManagerAccount(), mAccount.syncAuthority);
81                    dialog.show(mActivity.getFragmentManager(), TurnAutoSyncOnDialog.DIALOG_TAG);
82                } else if (mReasonSyncOff == ReasonSyncOff.ACCOUNT_SYNC_OFF) {
83                    Utils.showAccountSettings(getContext(), mAccount);
84                }
85            }
86        };
87    }
88
89    public void bindAccount(Account account, ControllableActivity activity) {
90        mAccount = account;
91        mAccountPreferences = AccountPreferences.get(getContext(), account);
92        mActivity = (Activity) activity;
93    }
94
95    @Override
96    public void onUpdate(Folder folder, ConversationCursor cursor) {
97        mFolder = folder;
98    }
99
100    @Override
101    public boolean getShouldDisplayInList() {
102        if (mAccount == null || mAccount.syncAuthority == null) {
103            return false;
104        }
105
106        // Do not show this message for folders/labels that are not set to sync.
107        if (mFolder == null || mFolder.syncWindow <= 0) {
108            return false;
109        }
110
111        setReasonSyncOff(calculateReasonSyncOff(mMailPrefs, mAccount, mAccountPreferences));
112
113        if (mReasonSyncOff != ReasonSyncOff.NONE) {
114            LogUtils.i(LOG_TAG, "Sync is off with reason %d", mReasonSyncOff);
115        }
116
117        switch (mReasonSyncOff) {
118            case ReasonSyncOff.AUTO_SYNC_OFF:
119                return (mMailPrefs.getNumOfDismissesForAutoSyncOff() == 0);
120            case ReasonSyncOff.ACCOUNT_SYNC_OFF:
121                return (mAccountPreferences.getNumOfDismissesForAccountSyncOff() == 0);
122            default:
123                return false;
124        }
125    }
126
127    public static int calculateReasonSyncOff(MailPrefs mailPrefs,
128            Account account, AccountPreferences accountPreferences) {
129        if (!ContentResolver.getMasterSyncAutomatically()) {
130            // Global sync is turned off
131            accountPreferences.resetNumOfDismissesForAccountSyncOff();
132            // Logging to track down bug where this tip is being showing when it shouldn't be.
133            LogUtils.i(LOG_TAG, "getMasterSyncAutomatically() return false");
134            return ReasonSyncOff.AUTO_SYNC_OFF;
135        } else {
136            // Global sync is on, clear the number of times users has dismissed this
137            // warning so that next time global sync is off, warning gets displayed again.
138            mailPrefs.resetNumOfDismissesForAutoSyncOff();
139
140            // Now check for whether account level sync is on/off.
141            android.accounts.Account acct = account.getAccountManagerAccount();
142            if (!TextUtils.isEmpty(account.syncAuthority) &&
143                    !ContentResolver.getSyncAutomatically(acct, account.syncAuthority)) {
144                // Account level sync is off
145                return ReasonSyncOff.ACCOUNT_SYNC_OFF;
146            } else {
147                // Account sync is on, clear the number of times users has dismissed this
148                // warning so that next time sync is off, warning gets displayed again.
149                accountPreferences.resetNumOfDismissesForAccountSyncOff();
150                return ReasonSyncOff.NONE;
151            }
152        }
153    }
154
155    private void setReasonSyncOff(int reason) {
156        if (mReasonSyncOff != reason) {
157            mReasonSyncOff = reason;
158            final Resources resources = getResources();
159            switch (mReasonSyncOff) {
160                case ReasonSyncOff.AUTO_SYNC_OFF:
161                    setText(resources.getString(R.string.auto_sync_off));
162                    break;
163                case ReasonSyncOff.ACCOUNT_SYNC_OFF:
164                    // Create the "Turn on in Account settings." text where "Account settings" appear as
165                    // a blue link.
166                    Spannable accountSyncOff = new SpannableString(
167                            Html.fromHtml(resources.getString(R.string.account_sync_off)));
168                    StyleUtils.stripUnderlinesAndLinkUrls(accountSyncOff, null);
169                    setText(accountSyncOff);
170                    break;
171                default:
172            }
173        }
174    }
175
176    @Override
177    public void dismiss() {
178        final String reason;
179        switch (mReasonSyncOff) {
180            case ReasonSyncOff.AUTO_SYNC_OFF:
181                mMailPrefs.incNumOfDismissesForAutoSyncOff();
182                reason = "auto_sync_off";
183                break;
184            case ReasonSyncOff.ACCOUNT_SYNC_OFF:
185                mAccountPreferences.incNumOfDismissesForAccountSyncOff();
186                reason = "account_sync_off";
187                break;
188            default:
189                reason = null;
190                break;
191        }
192        Analytics.getInstance().sendEvent("list_swipe", "sync_disabled_tip", reason, 0);
193        super.dismiss();
194    }
195}