| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.email; |
| |
| import android.app.Notification; |
| import android.app.Notification.Builder; |
| import android.app.NotificationManager; |
| import android.app.PendingIntent; |
| import android.content.ContentResolver; |
| import android.content.ContentUris; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.res.Resources; |
| import android.database.ContentObserver; |
| import android.database.Cursor; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.media.AudioManager; |
| import android.net.Uri; |
| import android.os.Build; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Process; |
| import android.text.SpannableString; |
| import android.text.TextUtils; |
| import android.text.style.TextAppearanceSpan; |
| import android.util.Log; |
| |
| import com.android.email.activity.ContactStatusLoader; |
| import com.android.email.activity.Welcome; |
| import com.android.email.activity.setup.AccountSecurity; |
| import com.android.email.activity.setup.AccountSettings; |
| import com.android.emailcommon.Logging; |
| import com.android.emailcommon.mail.Address; |
| import com.android.emailcommon.provider.Account; |
| import com.android.emailcommon.provider.EmailContent; |
| import com.android.emailcommon.provider.EmailContent.AccountColumns; |
| import com.android.emailcommon.provider.EmailContent.Attachment; |
| import com.android.emailcommon.provider.EmailContent.MailboxColumns; |
| import com.android.emailcommon.provider.EmailContent.Message; |
| import com.android.emailcommon.provider.EmailContent.MessageColumns; |
| import com.android.emailcommon.provider.Mailbox; |
| import com.android.emailcommon.utility.Utility; |
| import com.google.common.annotations.VisibleForTesting; |
| |
| import java.util.HashMap; |
| import java.util.HashSet; |
| |
| /** |
| * Class that manages notifications. |
| */ |
| public class NotificationController { |
| private static final int NOTIFICATION_ID_SECURITY_NEEDED = 1; |
| /** Reserved for {@link com.android.exchange.CalendarSyncEnabler} */ |
| @SuppressWarnings("unused") |
| private static final int NOTIFICATION_ID_EXCHANGE_CALENDAR_ADDED = 2; |
| private static final int NOTIFICATION_ID_ATTACHMENT_WARNING = 3; |
| private static final int NOTIFICATION_ID_PASSWORD_EXPIRING = 4; |
| private static final int NOTIFICATION_ID_PASSWORD_EXPIRED = 5; |
| |
| private static final int NOTIFICATION_ID_BASE_NEW_MESSAGES = 0x10000000; |
| private static final int NOTIFICATION_ID_BASE_LOGIN_WARNING = 0x20000000; |
| |
| /** Selection to retrieve accounts that should we notify user for changes */ |
| private final static String NOTIFIED_ACCOUNT_SELECTION = |
| Account.FLAGS + "&" + Account.FLAGS_NOTIFY_NEW_MAIL + " != 0"; |
| |
| private static NotificationThread sNotificationThread; |
| private static Handler sNotificationHandler; |
| private static NotificationController sInstance; |
| private final Context mContext; |
| private final NotificationManager mNotificationManager; |
| private final AudioManager mAudioManager; |
| private final Bitmap mGenericSenderIcon; |
| private final Bitmap mGenericMultipleSenderIcon; |
| private final Clock mClock; |
| // TODO We're maintaining all of our structures based upon the account ID. This is fine |
| // for now since the assumption is that we only ever look for changes in an account's |
| // INBOX. We should adjust our logic to use the mailbox ID instead. |
| /** Maps account id to the message data */ |
| private final HashMap<Long, ContentObserver> mNotificationMap; |
| private ContentObserver mAccountObserver; |
| /** |
| * Suspend notifications for this account. If {@link Account#NO_ACCOUNT}, no |
| * account notifications are suspended. If {@link Account#ACCOUNT_ID_COMBINED_VIEW}, |
| * notifications for all accounts are suspended. |
| */ |
| private long mSuspendAccountId = Account.NO_ACCOUNT; |
| |
| /** |
| * Timestamp indicating when the last message notification sound was played. |
| * Used for throttling. |
| */ |
| private long mLastMessageNotifyTime; |
| |
| /** |
| * Minimum interval between notification sounds. |
| * Since a long sync (either on account setup or after a long period of being offline) can cause |
| * several notifications consecutively, it can be pretty overwhelming to get a barrage of |
| * notification sounds. Throttle them using this value. |
| */ |
| private static final long MIN_SOUND_INTERVAL_MS = 15 * 1000; // 15 seconds |
| |
| private static boolean isRunningJellybeanOrLater() { |
| return Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN; |
| } |
| |
| /** Constructor */ |
| @VisibleForTesting |
| NotificationController(Context context, Clock clock) { |
| mContext = context.getApplicationContext(); |
| mNotificationManager = (NotificationManager) context.getSystemService( |
| Context.NOTIFICATION_SERVICE); |
| mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); |
| mGenericSenderIcon = BitmapFactory.decodeResource(mContext.getResources(), |
| R.drawable.ic_contact_picture); |
| mGenericMultipleSenderIcon = BitmapFactory.decodeResource(mContext.getResources(), |
| R.drawable.ic_notification_multiple_mail_holo_dark); |
| mClock = clock; |
| mNotificationMap = new HashMap<Long, ContentObserver>(); |
| } |
| |
| /** Singleton access */ |
| public static synchronized NotificationController getInstance(Context context) { |
| if (sInstance == null) { |
| sInstance = new NotificationController(context, Clock.INSTANCE); |
| } |
| return sInstance; |
| } |
| |
| /** |
| * Return whether or not a notification, based on the passed-in id, needs to be "ongoing" |
| * @param notificationId the notification id to check |
| * @return whether or not the notification must be "ongoing" |
| */ |
| private boolean needsOngoingNotification(int notificationId) { |
| // "Security needed" must be ongoing so that the user doesn't close it; otherwise, sync will |
| // be prevented until a reboot. Consider also doing this for password expired. |
| return notificationId == NOTIFICATION_ID_SECURITY_NEEDED; |
| } |
| |
| /** |
| * Returns a {@link Notification.Builder} for an event with the given account. The account |
| * contains specific rules on ring tone usage and these will be used to modify the notification |
| * behaviour. |
| * |
| * @param account The account this notification is being built for. |
| * @param ticker Text displayed when the notification is first shown. May be {@code null}. |
| * @param title The first line of text. May NOT be {@code null}. |
| * @param contentText The second line of text. May NOT be {@code null}. |
| * @param intent The intent to start if the user clicks on the notification. |
| * @param largeIcon A large icon. May be {@code null} |
| * @param number A number to display using {@link Builder#setNumber(int)}. May |
| * be {@code null}. |
| * @param enableAudio If {@code false}, do not play any sound. Otherwise, play sound according |
| * to the settings for the given account. |
| * @return A {@link Notification} that can be sent to the notification service. |
| */ |
| private Notification.Builder createBaseAccountNotificationBuilder(Account account, |
| String ticker, CharSequence title, String contentText, Intent intent, Bitmap largeIcon, |
| Integer number, boolean enableAudio, boolean ongoing) { |
| // Pending Intent |
| PendingIntent pending = null; |
| if (intent != null) { |
| pending = PendingIntent.getActivity( |
| mContext, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); |
| } |
| |
| // NOTE: the ticker is not shown for notifications in the Holo UX |
| final Notification.Builder builder = new Notification.Builder(mContext) |
| .setContentTitle(title) |
| .setContentText(contentText) |
| .setContentIntent(pending) |
| .setLargeIcon(largeIcon) |
| .setNumber(number == null ? 0 : number) |
| .setSmallIcon(R.drawable.stat_notify_email_generic) |
| .setWhen(mClock.getTime()) |
| .setTicker(ticker) |
| .setOngoing(ongoing); |
| |
| if (enableAudio) { |
| setupSoundAndVibration(builder, account); |
| } |
| |
| return builder; |
| } |
| |
| /** |
| * Generic notifier for any account. Uses notification rules from account. |
| * |
| * @param account The account this notification is being built for. |
| * @param ticker Text displayed when the notification is first shown. May be {@code null}. |
| * @param title The first line of text. May NOT be {@code null}. |
| * @param contentText The second line of text. May NOT be {@code null}. |
| * @param intent The intent to start if the user clicks on the notification. |
| * @param notificationId The ID of the notification to register with the service. |
| */ |
| private void showAccountNotification(Account account, String ticker, String title, |
| String contentText, Intent intent, int notificationId) { |
| Notification.Builder builder = createBaseAccountNotificationBuilder(account, ticker, title, |
| contentText, intent, null, null, true, needsOngoingNotification(notificationId)); |
| mNotificationManager.notify(notificationId, builder.getNotification()); |
| } |
| |
| /** |
| * Returns a notification ID for new message notifications for the given account. |
| */ |
| private int getNewMessageNotificationId(long accountId) { |
| // We assume accountId will always be less than 0x0FFFFFFF; is there a better way? |
| return (int) (NOTIFICATION_ID_BASE_NEW_MESSAGES + accountId); |
| } |
| |
| /** |
| * Tells the notification controller if it should be watching for changes to the message table. |
| * This is the main life cycle method for message notifications. When we stop observing |
| * database changes, we save the state [e.g. message ID and count] of the most recent |
| * notification shown to the user. And, when we start observing database changes, we restore |
| * the saved state. |
| * @param watch If {@code true}, we register observers for all accounts whose settings have |
| * notifications enabled. Otherwise, all observers are unregistered. |
| */ |
| public void watchForMessages(final boolean watch) { |
| if (Email.DEBUG) { |
| Log.i(Logging.LOG_TAG, "Notifications being toggled: " + watch); |
| } |
| // Don't create the thread if we're only going to stop watching |
| if (!watch && sNotificationThread == null) return; |
| |
| ensureHandlerExists(); |
| // Run this on the message notification handler |
| sNotificationHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| ContentResolver resolver = mContext.getContentResolver(); |
| if (!watch) { |
| unregisterMessageNotification(Account.ACCOUNT_ID_COMBINED_VIEW); |
| if (mAccountObserver != null) { |
| resolver.unregisterContentObserver(mAccountObserver); |
| mAccountObserver = null; |
| } |
| |
| // tear down the event loop |
| sNotificationThread.quit(); |
| sNotificationThread = null; |
| return; |
| } |
| |
| // otherwise, start new observers for all notified accounts |
| registerMessageNotification(Account.ACCOUNT_ID_COMBINED_VIEW); |
| // If we're already observing account changes, don't do anything else |
| if (mAccountObserver == null) { |
| if (Email.DEBUG) { |
| Log.i(Logging.LOG_TAG, "Observing account changes for notifications"); |
| } |
| mAccountObserver = new AccountContentObserver(sNotificationHandler, mContext); |
| resolver.registerContentObserver(Account.NOTIFIER_URI, true, mAccountObserver); |
| } |
| } |
| }); |
| } |
| |
| /** |
| * Temporarily suspend a single account from receiving notifications. NOTE: only a single |
| * account may ever be suspended at a time. So, if this method is invoked a second time, |
| * notifications for the previously suspended account will automatically be re-activated. |
| * @param suspend If {@code true}, suspend notifications for the given account. Otherwise, |
| * re-activate notifications for the previously suspended account. |
| * @param accountId The ID of the account. If this is the special account ID |
| * {@link Account#ACCOUNT_ID_COMBINED_VIEW}, notifications for all accounts are |
| * suspended. If {@code suspend} is {@code false}, the account ID is ignored. |
| */ |
| public void suspendMessageNotification(boolean suspend, long accountId) { |
| if (mSuspendAccountId != Account.NO_ACCOUNT) { |
| // we're already suspending an account; un-suspend it |
| mSuspendAccountId = Account.NO_ACCOUNT; |
| } |
| if (suspend && accountId != Account.NO_ACCOUNT && accountId > 0L) { |
| mSuspendAccountId = accountId; |
| if (accountId == Account.ACCOUNT_ID_COMBINED_VIEW) { |
| // Only go onto the notification handler if we really, absolutely need to |
| ensureHandlerExists(); |
| sNotificationHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| for (long accountId : mNotificationMap.keySet()) { |
| mNotificationManager.cancel(getNewMessageNotificationId(accountId)); |
| } |
| } |
| }); |
| } else { |
| mNotificationManager.cancel(getNewMessageNotificationId(accountId)); |
| } |
| } |
| } |
| |
| /** |
| * Ensures the notification handler exists and is ready to handle requests. |
| */ |
| private static synchronized void ensureHandlerExists() { |
| if (sNotificationThread == null) { |
| sNotificationThread = new NotificationThread(); |
| sNotificationHandler = new Handler(sNotificationThread.getLooper()); |
| } |
| } |
| |
| /** |
| * Registers an observer for changes to the INBOX for the given account. Since accounts |
| * may only have a single INBOX, we will never have more than one observer for an account. |
| * NOTE: This must be called on the notification handler thread. |
| * @param accountId The ID of the account to register the observer for. May be |
| * {@link Account#ACCOUNT_ID_COMBINED_VIEW} to register observers for all |
| * accounts that allow for user notification. |
| */ |
| private void registerMessageNotification(long accountId) { |
| ContentResolver resolver = mContext.getContentResolver(); |
| if (accountId == Account.ACCOUNT_ID_COMBINED_VIEW) { |
| Cursor c = resolver.query( |
| Account.CONTENT_URI, EmailContent.ID_PROJECTION, |
| NOTIFIED_ACCOUNT_SELECTION, null, null); |
| try { |
| while (c.moveToNext()) { |
| long id = c.getLong(EmailContent.ID_PROJECTION_COLUMN); |
| registerMessageNotification(id); |
| } |
| } finally { |
| c.close(); |
| } |
| } else { |
| ContentObserver obs = mNotificationMap.get(accountId); |
| if (obs != null) return; // we're already observing; nothing to do |
| |
| Mailbox mailbox = Mailbox.restoreMailboxOfType(mContext, accountId, Mailbox.TYPE_INBOX); |
| if (mailbox == null) { |
| Log.w(Logging.LOG_TAG, "Could not load INBOX for account id: " + accountId); |
| return; |
| } |
| if (Email.DEBUG) { |
| Log.i(Logging.LOG_TAG, "Registering for notifications for account " + accountId); |
| } |
| ContentObserver observer = new MessageContentObserver( |
| sNotificationHandler, mContext, mailbox.mId, accountId); |
| resolver.registerContentObserver(Message.NOTIFIER_URI, true, observer); |
| mNotificationMap.put(accountId, observer); |
| // Now, ping the observer for any initial notifications |
| observer.onChange(true); |
| } |
| } |
| |
| /** |
| * Unregisters the observer for the given account. If the specified account does not have |
| * a registered observer, no action is performed. This will not clear any existing notification |
| * for the specified account. Use {@link NotificationManager#cancel(int)}. |
| * NOTE: This must be called on the notification handler thread. |
| * @param accountId The ID of the account to unregister from. To unregister all accounts that |
| * have observers, specify an ID of {@link Account#ACCOUNT_ID_COMBINED_VIEW}. |
| */ |
| private void unregisterMessageNotification(long accountId) { |
| ContentResolver resolver = mContext.getContentResolver(); |
| if (accountId == Account.ACCOUNT_ID_COMBINED_VIEW) { |
| if (Email.DEBUG) { |
| Log.i(Logging.LOG_TAG, "Unregistering notifications for all accounts"); |
| } |
| // cancel all existing message observers |
| for (ContentObserver observer : mNotificationMap.values()) { |
| resolver.unregisterContentObserver(observer); |
| } |
| mNotificationMap.clear(); |
| } else { |
| if (Email.DEBUG) { |
| Log.i(Logging.LOG_TAG, "Unregistering notifications for account " + accountId); |
| } |
| ContentObserver observer = mNotificationMap.remove(accountId); |
| if (observer != null) { |
| resolver.unregisterContentObserver(observer); |
| } |
| } |
| } |
| |
| /** |
| * Returns a picture of the sender of the given message. If no picture is available, returns |
| * {@code null}. |
| * |
| * NOTE: DO NOT CALL THIS METHOD FROM THE UI THREAD (DATABASE ACCESS) |
| */ |
| private Bitmap getSenderPhoto(Message message) { |
| Address sender = Address.unpackFirst(message.mFrom); |
| if (sender == null) { |
| return null; |
| } |
| String email = sender.getAddress(); |
| if (TextUtils.isEmpty(email)) { |
| return null; |
| } |
| Bitmap photo = ContactStatusLoader.getContactInfo(mContext, email).mPhoto; |
| |
| if (photo != null) { |
| final Resources res = mContext.getResources(); |
| final int idealIconHeight = |
| res.getDimensionPixelSize(android.R.dimen.notification_large_icon_height); |
| final int idealIconWidth = |
| res.getDimensionPixelSize(android.R.dimen.notification_large_icon_width); |
| |
| if (photo.getHeight() < idealIconHeight) { |
| // We should scale this image to fit the intended size |
| photo = Bitmap.createScaledBitmap( |
| photo, idealIconWidth, idealIconHeight, true); |
| } |
| } |
| return photo; |
| } |
| |
| /** |
| * Returns a "new message" notification for the given account. |
| * |
| * NOTE: DO NOT CALL THIS METHOD FROM THE UI THREAD (DATABASE ACCESS) |
| */ |
| @VisibleForTesting |
| Notification createNewMessageNotification(long accountId, long mailboxId, Cursor messageCursor, |
| long newestMessageId, int unseenMessageCount, int unreadCount) { |
| final Account account = Account.restoreAccountWithId(mContext, accountId); |
| if (account == null) { |
| return null; |
| } |
| // Get the latest message |
| final Message message = Message.restoreMessageWithId(mContext, newestMessageId); |
| if (message == null) { |
| return null; // no message found??? |
| } |
| |
| String senderName = Address.toFriendly(Address.unpack(message.mFrom)); |
| if (senderName == null) { |
| senderName = ""; // Happens when a message has no from. |
| } |
| final boolean multipleUnseen = unseenMessageCount > 1; |
| final Bitmap senderPhoto = multipleUnseen |
| ? mGenericMultipleSenderIcon |
| : getSenderPhoto(message); |
| final SpannableString title = getNewMessageTitle(senderName, unseenMessageCount); |
| // TODO: add in display name on the second line for the text, once framework supports |
| // multiline texts. |
| final String text = multipleUnseen |
| ? account.mDisplayName |
| : message.mSubject; |
| final Bitmap largeIcon = senderPhoto != null ? senderPhoto : mGenericSenderIcon; |
| final Integer number = unreadCount > 1 ? unreadCount : null; |
| final Intent intent; |
| if (unseenMessageCount > 1) { |
| intent = Welcome.createOpenAccountInboxIntent(mContext, accountId); |
| } else { |
| intent = Welcome.createOpenMessageIntent( |
| mContext, accountId, mailboxId, newestMessageId); |
| } |
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK | |
| Intent.FLAG_ACTIVITY_TASK_ON_HOME); |
| long now = mClock.getTime(); |
| boolean enableAudio = (now - mLastMessageNotifyTime) > MIN_SOUND_INTERVAL_MS; |
| final Notification.Builder builder = createBaseAccountNotificationBuilder( |
| account, title.toString(), title, text, |
| intent, largeIcon, number, enableAudio, false); |
| if (isRunningJellybeanOrLater()) { |
| // For a new-style notification |
| if (multipleUnseen) { |
| if (messageCursor != null) { |
| final int maxNumDigestItems = mContext.getResources().getInteger( |
| R.integer.max_num_notification_digest_items); |
| // The body of the notification is the account name, or the label name. |
| builder.setSubText(text); |
| |
| Notification.InboxStyle digest = new Notification.InboxStyle(builder); |
| |
| digest.setBigContentTitle(title); |
| |
| int numDigestItems = 0; |
| // We can assume that the current position of the cursor is on the |
| // newest message |
| do { |
| final long messageId = |
| messageCursor.getLong(EmailContent.ID_PROJECTION_COLUMN); |
| |
| // Get the latest message |
| final Message digestMessage = |
| Message.restoreMessageWithId(mContext, messageId); |
| if (digestMessage != null) { |
| final CharSequence digestLine = |
| getSingleMessageInboxLine(mContext, digestMessage); |
| digest.addLine(digestLine); |
| numDigestItems++; |
| } |
| } while (numDigestItems <= maxNumDigestItems && messageCursor.moveToNext()); |
| |
| // We want to clear the content text in this case. The content text would have |
| // been set in createBaseAccountNotificationBuilder, but since the same string |
| // was set in as the subtext, we don't want to show a duplicate string. |
| builder.setContentText(null); |
| } |
| } else { |
| // The notification content will be the subject of the conversation. |
| builder.setContentText(getSingleMessageLittleText(mContext, message.mSubject)); |
| |
| // The notification subtext will be the subject of the conversation for inbox |
| // notifications, or will based on the the label name for user label notifications. |
| builder.setSubText(account.mDisplayName); |
| |
| final Notification.BigTextStyle bigText = new Notification.BigTextStyle(builder); |
| bigText.bigText(getSingleMessageBigText(mContext, message)); |
| } |
| } |
| |
| mLastMessageNotifyTime = now; |
| return builder.getNotification(); |
| } |
| |
| /** |
| * Sets the bigtext for a notification for a single new conversation |
| * @param context |
| * @param message New message that triggered the notification. |
| * @return a {@link CharSequence} suitable for use in {@link Notification.BigTextStyle} |
| */ |
| private static CharSequence getSingleMessageInboxLine(Context context, Message message) { |
| final String subject = message.mSubject; |
| final String snippet = message.mSnippet; |
| final String senders = Address.toFriendly(Address.unpack(message.mFrom)); |
| |
| final String subjectSnippet = !TextUtils.isEmpty(subject) ? subject : snippet; |
| |
| final TextAppearanceSpan notificationPrimarySpan = |
| new TextAppearanceSpan(context, R.style.NotificationPrimaryText); |
| |
| if (TextUtils.isEmpty(senders)) { |
| // If the senders are empty, just use the subject/snippet. |
| return subjectSnippet; |
| } |
| else if (TextUtils.isEmpty(subjectSnippet)) { |
| // If the subject/snippet is empty, just use the senders. |
| final SpannableString spannableString = new SpannableString(senders); |
| spannableString.setSpan(notificationPrimarySpan, 0, senders.length(), 0); |
| |
| return spannableString; |
| } else { |
| final String formatString = context.getResources().getString( |
| R.string.multiple_new_message_notification_item); |
| final TextAppearanceSpan notificationSecondarySpan = |
| new TextAppearanceSpan(context, R.style.NotificationSecondaryText); |
| |
| final String instantiatedString = String.format(formatString, senders, subjectSnippet); |
| |
| final SpannableString spannableString = new SpannableString(instantiatedString); |
| |
| final boolean isOrderReversed = formatString.indexOf("%2$s") < |
| formatString.indexOf("%1$s"); |
| final int primaryOffset = |
| (isOrderReversed ? instantiatedString.lastIndexOf(senders) : |
| instantiatedString.indexOf(senders)); |
| final int secondaryOffset = |
| (isOrderReversed ? instantiatedString.lastIndexOf(subjectSnippet) : |
| instantiatedString.indexOf(subjectSnippet)); |
| spannableString.setSpan(notificationPrimarySpan, |
| primaryOffset, primaryOffset + senders.length(), 0); |
| spannableString.setSpan(notificationSecondarySpan, |
| secondaryOffset, secondaryOffset + subjectSnippet.length(), 0); |
| return spannableString; |
| } |
| } |
| |
| /** |
| * Sets the bigtext for a notification for a single new conversation |
| * @param context |
| * @param subject Subject of the new message that triggered the notification |
| * @return a {@link CharSequence} suitable for use in {@link Notification.ContentText} |
| */ |
| private static CharSequence getSingleMessageLittleText(Context context, String subject) { |
| if (subject == null) { |
| return null; |
| } |
| final TextAppearanceSpan notificationSubjectSpan = new TextAppearanceSpan( |
| context, R.style.NotificationPrimaryText); |
| |
| final SpannableString spannableString = new SpannableString(subject); |
| spannableString.setSpan(notificationSubjectSpan, 0, subject.length(), 0); |
| |
| return spannableString; |
| } |
| |
| |
| /** |
| * Sets the bigtext for a notification for a single new conversation |
| * @param context |
| * @param message New message that triggered the notification |
| * @return a {@link CharSequence} suitable for use in {@link Notification.BigTextStyle} |
| */ |
| private static CharSequence getSingleMessageBigText(Context context, Message message) { |
| final TextAppearanceSpan notificationSubjectSpan = new TextAppearanceSpan( |
| context, R.style.NotificationPrimaryText); |
| |
| final String subject = message.mSubject; |
| final String snippet = message.mSnippet; |
| |
| if (TextUtils.isEmpty(subject)) { |
| // If the subject is empty, just use the snippet. |
| return snippet; |
| } |
| else if (TextUtils.isEmpty(snippet)) { |
| // If the snippet is empty, just use the subject. |
| final SpannableString spannableString = new SpannableString(subject); |
| spannableString.setSpan(notificationSubjectSpan, 0, subject.length(), 0); |
| |
| return spannableString; |
| } else { |
| final String notificationBigTextFormat = context.getResources().getString( |
| R.string.single_new_message_notification_big_text); |
| |
| // Localizers may change the order of the parameters, look at how the format |
| // string is structured. |
| final boolean isSubjectFirst = notificationBigTextFormat.indexOf("%2$s") > |
| notificationBigTextFormat.indexOf("%1$s"); |
| final String bigText = String.format(notificationBigTextFormat, subject, snippet); |
| final SpannableString spannableString = new SpannableString(bigText); |
| |
| final int subjectOffset = |
| (isSubjectFirst ? bigText.indexOf(subject) : bigText.lastIndexOf(subject)); |
| spannableString.setSpan(notificationSubjectSpan, |
| subjectOffset, subjectOffset + subject.length(), 0); |
| |
| return spannableString; |
| } |
| } |
| |
| /** |
| * Creates a notification title for a new message. If there is only a single message, |
| * show the sender name. Otherwise, show "X new messages". |
| */ |
| @VisibleForTesting |
| SpannableString getNewMessageTitle(String sender, int unseenCount) { |
| String title; |
| if (unseenCount > 1) { |
| title = String.format( |
| mContext.getString(R.string.notification_multiple_new_messages_fmt), |
| unseenCount); |
| } else { |
| title = sender; |
| } |
| return new SpannableString(title); |
| } |
| |
| /** Returns the system's current ringer mode */ |
| @VisibleForTesting |
| int getRingerMode() { |
| return mAudioManager.getRingerMode(); |
| } |
| |
| /** Sets up the notification's sound and vibration based upon account details. */ |
| @VisibleForTesting |
| void setupSoundAndVibration(Notification.Builder builder, Account account) { |
| final int flags = account.mFlags; |
| final String ringtoneUri = account.mRingtoneUri; |
| final boolean vibrate = (flags & Account.FLAGS_VIBRATE) != 0; |
| |
| int defaults = Notification.DEFAULT_LIGHTS; |
| if (vibrate) { |
| defaults |= Notification.DEFAULT_VIBRATE; |
| } |
| |
| builder.setSound(TextUtils.isEmpty(ringtoneUri) ? null : Uri.parse(ringtoneUri)) |
| .setDefaults(defaults); |
| } |
| |
| /** |
| * Show (or update) a notification that the given attachment could not be forwarded. This |
| * is a very unusual case, and perhaps we shouldn't even send a notification. For now, |
| * it's helpful for debugging. |
| * |
| * NOTE: DO NOT CALL THIS METHOD FROM THE UI THREAD (DATABASE ACCESS) |
| */ |
| public void showDownloadForwardFailedNotification(Attachment attachment) { |
| final Account account = Account.restoreAccountWithId(mContext, attachment.mAccountKey); |
| if (account == null) return; |
| showAccountNotification(account, |
| mContext.getString(R.string.forward_download_failed_ticker), |
| mContext.getString(R.string.forward_download_failed_title), |
| attachment.mFileName, |
| null, |
| NOTIFICATION_ID_ATTACHMENT_WARNING); |
| } |
| |
| /** |
| * Returns a notification ID for login failed notifications for the given account account. |
| */ |
| private int getLoginFailedNotificationId(long accountId) { |
| return NOTIFICATION_ID_BASE_LOGIN_WARNING + (int)accountId; |
| } |
| |
| /** |
| * Show (or update) a notification that there was a login failure for the given account. |
| * |
| * NOTE: DO NOT CALL THIS METHOD FROM THE UI THREAD (DATABASE ACCESS) |
| */ |
| public void showLoginFailedNotification(long accountId) { |
| final Account account = Account.restoreAccountWithId(mContext, accountId); |
| if (account == null) return; |
| showAccountNotification(account, |
| mContext.getString(R.string.login_failed_ticker, account.mDisplayName), |
| mContext.getString(R.string.login_failed_title), |
| account.getDisplayName(), |
| AccountSettings.createAccountSettingsIntent(mContext, accountId, |
| account.mDisplayName), |
| getLoginFailedNotificationId(accountId)); |
| } |
| |
| /** |
| * Cancels the login failed notification for the given account. |
| */ |
| public void cancelLoginFailedNotification(long accountId) { |
| mNotificationManager.cancel(getLoginFailedNotificationId(accountId)); |
| } |
| |
| /** |
| * Show (or update) a notification that the user's password is expiring. The given account |
| * is used to update the display text, but, all accounts share the same notification ID. |
| * |
| * NOTE: DO NOT CALL THIS METHOD FROM THE UI THREAD (DATABASE ACCESS) |
| */ |
| public void showPasswordExpiringNotification(long accountId) { |
| Account account = Account.restoreAccountWithId(mContext, accountId); |
| if (account == null) return; |
| |
| Intent intent = AccountSecurity.actionDevicePasswordExpirationIntent(mContext, |
| accountId, false); |
| String accountName = account.getDisplayName(); |
| String ticker = |
| mContext.getString(R.string.password_expire_warning_ticker_fmt, accountName); |
| String title = mContext.getString(R.string.password_expire_warning_content_title); |
| showAccountNotification(account, ticker, title, accountName, intent, |
| NOTIFICATION_ID_PASSWORD_EXPIRING); |
| } |
| |
| /** |
| * Show (or update) a notification that the user's password has expired. The given account |
| * is used to update the display text, but, all accounts share the same notification ID. |
| * |
| * NOTE: DO NOT CALL THIS METHOD FROM THE UI THREAD (DATABASE ACCESS) |
| */ |
| public void showPasswordExpiredNotification(long accountId) { |
| Account account = Account.restoreAccountWithId(mContext, accountId); |
| if (account == null) return; |
| |
| Intent intent = AccountSecurity.actionDevicePasswordExpirationIntent(mContext, |
| accountId, true); |
| String accountName = account.getDisplayName(); |
| String ticker = mContext.getString(R.string.password_expired_ticker); |
| String title = mContext.getString(R.string.password_expired_content_title); |
| showAccountNotification(account, ticker, title, accountName, intent, |
| NOTIFICATION_ID_PASSWORD_EXPIRED); |
| } |
| |
| /** |
| * Cancels any password expire notifications [both expired & expiring]. |
| */ |
| public void cancelPasswordExpirationNotifications() { |
| mNotificationManager.cancel(NOTIFICATION_ID_PASSWORD_EXPIRING); |
| mNotificationManager.cancel(NOTIFICATION_ID_PASSWORD_EXPIRED); |
| } |
| |
| /** |
| * Show (or update) a security needed notification. The given account is used to update |
| * the display text, but, all accounts share the same notification ID. |
| */ |
| public void showSecurityNeededNotification(Account account) { |
| Intent intent = AccountSecurity.actionUpdateSecurityIntent(mContext, account.mId, true); |
| String accountName = account.getDisplayName(); |
| String ticker = |
| mContext.getString(R.string.security_notification_ticker_fmt, accountName); |
| String title = mContext.getString(R.string.security_notification_content_title); |
| showAccountNotification(account, ticker, title, accountName, intent, |
| NOTIFICATION_ID_SECURITY_NEEDED); |
| } |
| |
| /** |
| * Cancels the security needed notification. |
| */ |
| public void cancelSecurityNeededNotification() { |
| mNotificationManager.cancel(NOTIFICATION_ID_SECURITY_NEEDED); |
| } |
| |
| /** |
| * Observer invoked whenever a message we're notifying the user about changes. |
| */ |
| private static class MessageContentObserver extends ContentObserver { |
| /** A selection to get messages the user hasn't seen before */ |
| private final static String MESSAGE_SELECTION = |
| MessageColumns.MAILBOX_KEY + "=? AND " |
| + MessageColumns.ID + ">? AND " |
| + MessageColumns.FLAG_READ + "=0 AND " |
| + Message.FLAG_LOADED_SELECTION; |
| private final Context mContext; |
| private final long mMailboxId; |
| private final long mAccountId; |
| |
| public MessageContentObserver( |
| Handler handler, Context context, long mailboxId, long accountId) { |
| super(handler); |
| mContext = context; |
| mMailboxId = mailboxId; |
| mAccountId = accountId; |
| } |
| |
| @Override |
| public void onChange(boolean selfChange) { |
| if (mAccountId == sInstance.mSuspendAccountId |
| || sInstance.mSuspendAccountId == Account.ACCOUNT_ID_COMBINED_VIEW) { |
| return; |
| } |
| |
| ContentObserver observer = sInstance.mNotificationMap.get(mAccountId); |
| if (observer == null) { |
| // Notification for a mailbox that we aren't observing; account is probably |
| // being deleted. |
| Log.w(Logging.LOG_TAG, "Received notification when observer data was null"); |
| return; |
| } |
| Account account = Account.restoreAccountWithId(mContext, mAccountId); |
| if (account == null) { |
| Log.w(Logging.LOG_TAG, "Couldn't find account for changed message notification"); |
| return; |
| } |
| long oldMessageId = account.mNotifiedMessageId; |
| int oldMessageCount = account.mNotifiedMessageCount; |
| |
| ContentResolver resolver = mContext.getContentResolver(); |
| Long lastSeenMessageId = Utility.getFirstRowLong( |
| mContext, ContentUris.withAppendedId(Mailbox.CONTENT_URI, mMailboxId), |
| new String[] { MailboxColumns.LAST_SEEN_MESSAGE_KEY }, |
| null, null, null, 0); |
| if (lastSeenMessageId == null) { |
| // Mailbox got nuked. Could be that the account is in the process of being deleted |
| Log.w(Logging.LOG_TAG, "Couldn't find mailbox for changed message notification"); |
| return; |
| } |
| |
| Cursor c = resolver.query( |
| Message.CONTENT_URI, EmailContent.ID_PROJECTION, |
| MESSAGE_SELECTION, |
| new String[] { Long.toString(mMailboxId), Long.toString(lastSeenMessageId) }, |
| MessageColumns.ID + " DESC"); |
| if (c == null) { |
| // Couldn't find message info - things may be getting deleted in bulk. |
| Log.w(Logging.LOG_TAG, "#onChange(); NULL response for message id query"); |
| return; |
| } |
| try { |
| int newMessageCount = c.getCount(); |
| long newMessageId = 0L; |
| if (c.moveToNext()) { |
| newMessageId = c.getLong(EmailContent.ID_PROJECTION_COLUMN); |
| } |
| |
| if (newMessageCount == 0) { |
| // No messages to notify for; clear the notification |
| int notificationId = sInstance.getNewMessageNotificationId(mAccountId); |
| sInstance.mNotificationManager.cancel(notificationId); |
| } else if (newMessageCount != oldMessageCount |
| || (newMessageId != 0 && newMessageId != oldMessageId)) { |
| // Either the count or last message has changed; update the notification |
| Integer unreadCount = Utility.getFirstRowInt( |
| mContext, ContentUris.withAppendedId(Mailbox.CONTENT_URI, mMailboxId), |
| new String[] { MailboxColumns.UNREAD_COUNT }, |
| null, null, null, 0); |
| if (unreadCount == null) { |
| Log.w(Logging.LOG_TAG, "Couldn't find unread count for mailbox"); |
| return; |
| } |
| |
| Notification n = sInstance.createNewMessageNotification( |
| mAccountId, mMailboxId, c, newMessageId, |
| newMessageCount, unreadCount); |
| if (n != null) { |
| // Make the notification visible |
| sInstance.mNotificationManager.notify( |
| sInstance.getNewMessageNotificationId(mAccountId), n); |
| } |
| } |
| // Save away the new values |
| ContentValues cv = new ContentValues(); |
| cv.put(AccountColumns.NOTIFIED_MESSAGE_ID, newMessageId); |
| cv.put(AccountColumns.NOTIFIED_MESSAGE_COUNT, newMessageCount); |
| resolver.update(ContentUris.withAppendedId(Account.CONTENT_URI, mAccountId), cv, |
| null, null); |
| } finally { |
| c.close(); |
| } |
| } |
| } |
| |
| /** |
| * Observer invoked whenever an account is modified. This could mean the user changed the |
| * notification settings. |
| */ |
| private static class AccountContentObserver extends ContentObserver { |
| private final Context mContext; |
| public AccountContentObserver(Handler handler, Context context) { |
| super(handler); |
| mContext = context; |
| } |
| |
| @Override |
| public void onChange(boolean selfChange) { |
| final ContentResolver resolver = mContext.getContentResolver(); |
| final Cursor c = resolver.query( |
| Account.CONTENT_URI, EmailContent.ID_PROJECTION, |
| NOTIFIED_ACCOUNT_SELECTION, null, null); |
| final HashSet<Long> newAccountList = new HashSet<Long>(); |
| final HashSet<Long> removedAccountList = new HashSet<Long>(); |
| if (c == null) { |
| // Suspender time ... theoretically, this will never happen |
| Log.wtf(Logging.LOG_TAG, "#onChange(); NULL response for account id query"); |
| return; |
| } |
| try { |
| while (c.moveToNext()) { |
| long accountId = c.getLong(EmailContent.ID_PROJECTION_COLUMN); |
| newAccountList.add(accountId); |
| } |
| } finally { |
| if (c != null) { |
| c.close(); |
| } |
| } |
| // NOTE: Looping over three lists is not necessarily the most efficient. However, the |
| // account lists are going to be very small, so, this will not be necessarily bad. |
| // Cycle through existing notification list and adjust as necessary |
| for (long accountId : sInstance.mNotificationMap.keySet()) { |
| if (!newAccountList.remove(accountId)) { |
| // account id not in the current set of notifiable accounts |
| removedAccountList.add(accountId); |
| } |
| } |
| // A new account was added to the notification list |
| for (long accountId : newAccountList) { |
| sInstance.registerMessageNotification(accountId); |
| } |
| // An account was removed from the notification list |
| for (long accountId : removedAccountList) { |
| sInstance.unregisterMessageNotification(accountId); |
| int notificationId = sInstance.getNewMessageNotificationId(accountId); |
| sInstance.mNotificationManager.cancel(notificationId); |
| } |
| } |
| } |
| |
| /** |
| * Thread to handle all notification actions through its own {@link Looper}. |
| */ |
| private static class NotificationThread implements Runnable { |
| /** Lock to ensure proper initialization */ |
| private final Object mLock = new Object(); |
| /** The {@link Looper} that handles messages for this thread */ |
| private Looper mLooper; |
| |
| NotificationThread() { |
| new Thread(null, this, "EmailNotification").start(); |
| synchronized (mLock) { |
| while (mLooper == null) { |
| try { |
| mLock.wait(); |
| } catch (InterruptedException ex) { |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void run() { |
| synchronized (mLock) { |
| Looper.prepare(); |
| mLooper = Looper.myLooper(); |
| mLock.notifyAll(); |
| } |
| Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); |
| Looper.loop(); |
| } |
| void quit() { |
| mLooper.quit(); |
| } |
| Looper getLooper() { |
| return mLooper; |
| } |
| } |
| } |
