ADHOC/replicant-packages_apps_Email
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Show/Hide Account folders dynamically by checking number of messages

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This commit is contained in:
satok 2009-07-28 07:56:30 +09:00
parent 63b2ad5bfb
commit fac5dc2d77
1 changed files with 92 additions and 2 deletions
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94
src/com/android/email/activity/AccountFolderList.java
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@ -27,6 +27,8 @@ import com.android.email.provider.EmailContent;
import com.android.email.provider.EmailContent.Account;
import com.android.email.provider.EmailContent.Mailbox;
import com.android.email.provider.EmailContent.MailboxColumns;
import com.android.email.provider.EmailContent.Message;
import com.android.email.provider.EmailContent.MessageColumns;
import android.app.AlertDialog;
import android.app.Dialog;
@ -52,7 +54,6 @@ import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.CursorTreeAdapter;
import android.widget.ExpandableListView;
@ -105,6 +106,19 @@ public class AccountFolderList extends ExpandableListActivity {
MailboxColumns.FLAG_VISIBLE, MailboxColumns.FLAGS
};
private static final String UNREAD_COUNT_SELECTION =
MessageColumns.FLAG_READ + "= 0";
private static final String FAVORITE_COUNT_SELECTION =
MessageColumns.FLAG_FAVORITE + "= 1";
private static final String MAILBOX_TYPE_SELECTION =
MailboxColumns.TYPE + " =?";
private static final String[] MAILBOX_SUM_OF_UNREAD_COUNT_PROJECTION = new String [] {
"sum(" + MailboxColumns.UNREAD_COUNT + ")"
};
/**
* Start the Accounts list activity. Uses the CLEAR_TOP flag which means that other stacked
* activities may be killed in order to get back to Accounts.
@ -207,6 +221,23 @@ public class AccountFolderList extends ExpandableListActivity {
return true; // "handled"
}
private static int getCountByMailboxType(Context context, int type) {
int count = 0;
Cursor c = context.getContentResolver().query(Mailbox.CONTENT_URI,
MAILBOX_SUM_OF_UNREAD_COUNT_PROJECTION,
MAILBOX_TYPE_SELECTION,
new String[] { String.valueOf(type) }, null);
try {
if (c.moveToFirst()) {
return c.getInt(0);
}
} finally {
c.close();
}
return count;
}
/**
* Build the group and child cursors that support the summary views (aka "at a glance").
*
@ -270,6 +301,65 @@ public class AccountFolderList extends ExpandableListActivity {
mSummaryChildCursor = childCursor;
}
private MatrixCursor getSummaryChildCursor() {
MatrixCursor childCursor = new MatrixCursor(MAILBOX_PROJECTION);
int count;
RowBuilder row;
// TYPE_INBOX
count = getCountByMailboxType(this, Mailbox.TYPE_INBOX);
if (count > 0) {
row = childCursor.newRow();
row.add(Long.valueOf(MessageList.QUERY_ALL_INBOXES)); // MAILBOX_COLUMN_ID = 0;
row.add(getString(R.string.account_folder_list_summary_inbox)); // MAILBOX_DISPLAY_NAME
row.add(null); // MAILBOX_ACCOUNT_KEY = 2;
row.add(Integer.valueOf(Mailbox.TYPE_INBOX)); // MAILBOX_TYPE = 3;
// This value is 0 because count doesn't the number of messages in INBOX
row.add(Integer.valueOf(0)); // MAILBOX_UNREAD_COUNT = 4;
}
// TYPE_MAIL (UNREAD)
count = EmailContent.count(this, Message.CONTENT_URI, UNREAD_COUNT_SELECTION, null);
if (count > 0) {
row = childCursor.newRow();
row.add(Long.valueOf(MessageList.QUERY_ALL_UNREAD)); // MAILBOX_COLUMN_ID = 0;
row.add(getString(R.string.account_folder_list_summary_unread));// MAILBOX_DISPLAY_NAME
row.add(null); // MAILBOX_ACCOUNT_KEY = 2;
row.add(Integer.valueOf(Mailbox.TYPE_MAIL)); // MAILBOX_TYPE = 3;
row.add(Integer.valueOf(count)); // MAILBOX_UNREAD_COUNT = 4;
}
// TYPE_MAIL (FAVORITES)
count = EmailContent.count(this, Message.CONTENT_URI, FAVORITE_COUNT_SELECTION, null);
if (count > 0) {
row = childCursor.newRow();
row.add(Long.valueOf(MessageList.QUERY_ALL_FAVORITES)); // MAILBOX_COLUMN_ID = 0;
// MAILBOX_DISPLAY_NAME
row.add(getString(R.string.account_folder_list_summary_favorite));
row.add(null); // MAILBOX_ACCOUNT_KEY = 2;
row.add(Integer.valueOf(Mailbox.TYPE_MAIL)); // MAILBOX_TYPE = 3;
row.add(Integer.valueOf(count)); // MAILBOX_UNREAD_COUNT = 4;
}
// TYPE_DRAFTS
count = getCountByMailboxType(this, Mailbox.TYPE_DRAFTS);
if (count > 0) {
row = childCursor.newRow();
row.add(Long.valueOf(MessageList.QUERY_ALL_DRAFTS)); // MAILBOX_COLUMN_ID = 0;
row.add(getString(R.string.account_folder_list_summary_drafts));// MAILBOX_DISPLAY_NAME
row.add(null); // MAILBOX_ACCOUNT_KEY = 2;
row.add(Integer.valueOf(Mailbox.TYPE_DRAFTS)); // MAILBOX_TYPE = 3;
row.add(Integer.valueOf(count)); // MAILBOX_UNREAD_COUNT = 4;
}
// TYPE_OUTBOX
count = getCountByMailboxType(this, Mailbox.TYPE_OUTBOX);
if (count > 0) {
row = childCursor.newRow();
row.add(Long.valueOf(MessageList.QUERY_ALL_OUTBOX)); // MAILBOX_COLUMN_ID = 0;
row.add(getString(R.string.account_folder_list_summary_outbox));// MAILBOX_DISPLAY_NAME
row.add(null); // MAILBOX_ACCOUNT_KEY = 2;
row.add(Integer.valueOf(Mailbox.TYPE_OUTBOX)); // MAILBOX_TYPE = 3;
row.add(Integer.valueOf(count)); // MAILBOX_UNREAD_COUNT = 4;
}
return childCursor;
}
/**
* Async task to handle the accounts query outside of the UI thread
*/
@ -311,7 +401,7 @@ public class AccountFolderList extends ExpandableListActivity {
@Override
protected Cursor doInBackground(Void... params) {
if (mGroupNumber == 0) {
return mSummaryChildCursor;
return getSummaryChildCursor();
}
Account.updateUnreadCount(AccountFolderList.this, mAccountId);
return AccountFolderList.this.managedQuery(