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Code Issues Releases Wiki Activity

Initial implementation of loading only 25 rows from the message list

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from SQLite at once. The hope is that this will improve perceived
performance on large folders by starting message display sooner.

In the case of a background sync while we're loading, we _may_ end up
doing more work than necessary, since we implement paging by "date
received"
This commit is contained in:
Jesse Vincent 2009-12-15 02:52:01 +00:00
parent aa4f3535eb
commit a1302afe75
1 changed files with 24 additions and 5 deletions
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29
src/com/fsck/k9/mail/store/LocalStore.java
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@ -1264,8 +1264,14 @@ public class LocalStore extends Store implements Serializable
open(OpenMode.READ_WRITE);
ArrayList<LocalMessage> messages = new ArrayList<LocalMessage>();
Cursor cursor = null;
int totalSeen = 0;
int i;
try
{
while (true)
{
// pull out messages most recent first, since that's what the default sort is
cursor = mDb.rawQuery(
"SELECT subject, sender_list, date, uid, flags, id, to_list, cc_list, "
@ -1273,14 +1279,14 @@ public class LocalStore extends Store implements Serializable
+ "FROM messages "
+ "WHERE "
+ (includeDeleted ? "" : "deleted = 0 AND ")
+ " folder_id = ? ORDER BY date DESC"
+ " folder_id = ? ORDER BY date DESC LIMIT 25 OFFSET "+ totalSeen
, new String[]
{
Long.toString(mFolderId)
});
int i = 0;
i = 0;
ArrayList<LocalMessage> messagesForHeaders = new ArrayList<LocalMessage>();
while (cursor.moveToNext())
{
@ -1294,10 +1300,20 @@ public class LocalStore extends Store implements Serializable
}
i++;
}
if (listener != null)
{
listener.messagesFinished(i);
totalSeen += i;
if ( i == 0 ) {
break;
}
else
{
cursor.close();
}
}
if (listener != null)
{
listener.messagesFinished(totalSeen);
}
}
finally
{
@ -1599,6 +1615,8 @@ public class LocalStore extends Store implements Serializable
}
}
private void saveHeaders(long id, MimeMessage message)
{
deleteHeaders(id);
@ -2042,6 +2060,7 @@ public class LocalStore extends Store implements Serializable
private int mAttachmentCount;
private String mSubject;
private boolean mHeadersLoaded = false;
private boolean mMessageDirty = false;