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Move calendar observer code into background thread 

* Calendar observer code does database access (sometimes quite a
  lot), so it shouldn't be run in the UI thread

Change-Id: Ib6ec5ac3105df6d3fc45004dc2b09be4e33a11ac
This commit is contained in:
Marc Blank 2010-03-23 11:57:08 -07:00
parent 95492af7a1
commit e5be03d497
1 changed files with 61 additions and 55 deletions
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116
src/com/android/exchange/SyncManager.java
View File

@ -673,64 +673,70 @@ public class SyncManager extends Service implements Runnable {
public void onChange(boolean selfChange) {
// See if the user has changed syncing of our calendar
if (!selfChange) {
Cursor c = mResolver.query(Calendars.CONTENT_URI,
new String[] {Calendars.SYNC_EVENTS}, Calendars._ID + "=?",
new String[] {Long.toString(mCalendarId)}, null);
if (c == null) return;
// Get its sync events; if it's changed, we've got work to do
try {
if (c.moveToFirst()) {
long newSyncEvents = c.getLong(0);
if (newSyncEvents != mSyncEvents) {
log("_sync_events changed for calendar in " + mAccountName);
Mailbox mailbox = Mailbox.restoreMailboxOfType(INSTANCE,
mAccountId, Mailbox.TYPE_CALENDAR);
// Sanity check for mailbox deletion
if (mailbox == null) return;
ContentValues cv = new ContentValues();
if (newSyncEvents == 0) {
// When sync of a calendar is disabled, we're supposed to delete
// all events in the calendar
log("Deleting events and setting syncKey to 0 for " + mAccountName);
// First, stop any sync that's ongoing
stopManualSync(mailbox.mId);
// Set the syncKey to 0 (reset)
EasSyncService service = new EasSyncService(INSTANCE, mailbox);
CalendarSyncAdapter adapter = new CalendarSyncAdapter(mailbox,
service);
try {
adapter.setSyncKey("0", false);
} catch (IOException e) {
// The provider can't be reached; nothing to be done
new Thread(new Runnable() {
public void run() {
Cursor c = mResolver.query(Calendars.CONTENT_URI,
new String[] {Calendars.SYNC_EVENTS}, Calendars._ID + "=?",
new String[] {Long.toString(mCalendarId)}, null);
if (c == null) return;
// Get its sync events; if it's changed, we've got work to do
try {
if (c.moveToFirst()) {
long newSyncEvents = c.getLong(0);
if (newSyncEvents != mSyncEvents) {
log("_sync_events changed for calendar in " + mAccountName);
Mailbox mailbox = Mailbox.restoreMailboxOfType(INSTANCE,
mAccountId, Mailbox.TYPE_CALENDAR);
// Sanity check for mailbox deletion
if (mailbox == null) return;
ContentValues cv = new ContentValues();
if (newSyncEvents == 0) {
// When sync is disabled, we're supposed to delete
// all events in the calendar
log("Deleting events and setting syncKey to 0 for " +
mAccountName);
// First, stop any sync that's ongoing
stopManualSync(mailbox.mId);
// Set the syncKey to 0 (reset)
EasSyncService service =
new EasSyncService(INSTANCE, mailbox);
CalendarSyncAdapter adapter =
new CalendarSyncAdapter(mailbox, service);
try {
adapter.setSyncKey("0", false);
} catch (IOException e) {
// The provider can't be reached; nothing to be done
}
// Reset the sync key locally
cv.put(Mailbox.SYNC_KEY, "0");
cv.put(Mailbox.SYNC_INTERVAL, Mailbox.CHECK_INTERVAL_NEVER);
// Delete all events in this calendar using the sync adapter
// parameter so that the deletion is only local
Uri eventsAsSyncAdapter =
Events.CONTENT_URI.buildUpon()
.appendQueryParameter(
Calendar.CALLER_IS_SYNCADAPTER, "true")
.build();
mResolver.delete(eventsAsSyncAdapter, WHERE_CALENDAR_ID,
new String[] {Long.toString(mCalendarId)});
} else {
// Set sync back to push
cv.put(Mailbox.SYNC_INTERVAL, Mailbox.CHECK_INTERVAL_PUSH);
kick("calendar sync changed");
}
// Update the calendar mailbox with new settings
mResolver.update(ContentUris.withAppendedId(
Mailbox.CONTENT_URI, mailbox.mId), cv, null, null);
// Save away the new value
mSyncEvents = newSyncEvents;
}
// Reset the sync key locally in the Mailbox and set it not to sync
cv.put(Mailbox.SYNC_KEY, "0");
cv.put(Mailbox.SYNC_INTERVAL, Mailbox.CHECK_INTERVAL_NEVER);
// Delete all events in this calendar using the sync adapter
// parameter so that the deletion is only local
Uri eventsAsSyncAdapter =
Events.CONTENT_URI.buildUpon()
.appendQueryParameter(Calendar.CALLER_IS_SYNCADAPTER,
"true").build();
mResolver.delete(eventsAsSyncAdapter, WHERE_CALENDAR_ID,
new String[] {Long.toString(mCalendarId)});
} else {
// Set sync back to push
cv.put(Mailbox.SYNC_INTERVAL, Mailbox.CHECK_INTERVAL_PUSH);
kick("calendar sync changed");
}
// Update the calendar mailbox with new settings
mResolver.update(ContentUris.withAppendedId(
Mailbox.CONTENT_URI, mailbox.mId), cv, null, null);
// Save away the new value
mSyncEvents = newSyncEvents;
} finally {
c.close();
}
}
} finally {
c.close();
}
}}).start();
}
}
}