AI 148096: Fix multiple concurrency bugs in FolderMessageList, which wasn't

being strict enough about decoupling the MessageListener from
  updates to the various lists that should only happen in the UI
  thread.
  BUG=1812798

Automated import of CL 148096
This commit is contained in:
Andy Stadler 2009-04-30 10:08:25 -07:00 committed by The Android Open Source Project
parent c795d8b324
commit 05aba0b4ba

View File

@ -154,6 +154,10 @@ public class FolderMessageList extends ExpandableListActivity {
private static final int MSG_REMOVE_MESSAGE = 11; private static final int MSG_REMOVE_MESSAGE = 11;
private static final int MSG_SYNC_MESSAGES = 13; private static final int MSG_SYNC_MESSAGES = 13;
private static final int MSG_FOLDER_STATUS = 17; private static final int MSG_FOLDER_STATUS = 17;
private static final int MSG_LIST_FOLDERS = 18;
private static final int MSG_NEW_MESSAGE = 19;
private static final int MSG_REMOVE_MESSAGE_UID = 20;
private static final int MSG_MESSAGE_UID_CHANGED = 21;
@Override @Override
public void handleMessage(android.os.Message msg) { public void handleMessage(android.os.Message msg) {
@ -208,6 +212,39 @@ public class FolderMessageList extends ExpandableListActivity {
} }
break; break;
} }
case MSG_LIST_FOLDERS: {
Folder[] folders = (Folder[]) msg.obj;
mAdapter.doListFolders(folders);
break;
}
case MSG_NEW_MESSAGE: {
String folder = (String) ((Object[]) msg.obj)[0];
Message message = (Message) ((Object[]) msg.obj)[1];
mAdapter.addOrUpdateMessage(folder, message);
break;
}
case MSG_REMOVE_MESSAGE_UID: {
String folder = (String) ((Object[]) msg.obj)[0];
String messageUid = (String) ((Object[]) msg.obj)[1];
mAdapter.removeMessage(folder, messageUid);
break;
}
case MSG_MESSAGE_UID_CHANGED: {
String folder = (String) ((Object[]) msg.obj)[0];
String oldUid = (String) ((Object[]) msg.obj)[1];
String newUid = (String) ((Object[]) msg.obj)[2];
FolderInfoHolder holder = mAdapter.getFolder(folder);
if (folder != null) {
for (MessageInfoHolder message : holder.messages) {
if (message.uid.equals(oldUid)) {
message.uid = newUid;
message.message.setUid(newUid);
}
}
}
break;
}
default: default:
super.handleMessage(msg); super.handleMessage(msg);
} }
@ -259,6 +296,34 @@ public class FolderMessageList extends ExpandableListActivity {
msg.obj = new String[] { folder, status }; msg.obj = new String[] { folder, status };
sendMessage(msg); sendMessage(msg);
} }
public void listFolders(Folder[] folders) {
android.os.Message msg = android.os.Message.obtain();
msg.what = MSG_LIST_FOLDERS;
msg.obj = (Object) folders;
sendMessage(msg);
}
public void newMessage(String folder, Message message) {
android.os.Message msg = android.os.Message.obtain();
msg.what = MSG_NEW_MESSAGE;
msg.obj = new Object[] { folder, message };
sendMessage(msg);
}
public void removeMessageByUid(String folder, String messageUid) {
android.os.Message msg = android.os.Message.obtain();
msg.what = MSG_REMOVE_MESSAGE_UID;
msg.obj = new Object[] { folder, messageUid };
sendMessage(msg);
}
public void messageUidChanged(String folder, String oldUid, String newUid) {
android.os.Message msg = android.os.Message.obtain();
msg.what = MSG_MESSAGE_UID_CHANGED;
msg.obj = new Object[] { folder, oldUid, newUid };
sendMessage(msg);
}
} }
/** /**
@ -756,65 +821,7 @@ public class FolderMessageList extends ExpandableListActivity {
if (!account.equals(mAccount)) { if (!account.equals(mAccount)) {
return; return;
} }
for (Folder folder : folders) { mHandler.listFolders(folders);
FolderInfoHolder holder = getFolder(folder.getName());
if (holder == null) {
holder = new FolderInfoHolder();
mFolders.add(holder);
}
holder.name = folder.getName();
if (holder.name.equalsIgnoreCase(Email.INBOX)) {
holder.displayName = getString(R.string.special_mailbox_name_inbox);
}
else {
holder.displayName = folder.getName();
}
if (holder.name.equals(mAccount.getOutboxFolderName())) {
holder.outbox = true;
}
if (holder.messages == null) {
holder.messages = new ArrayList<MessageInfoHolder>();
}
try {
folder.open(Folder.OpenMode.READ_WRITE, null);
holder.unreadMessageCount = folder.getUnreadMessageCount();
folder.close(false);
}
catch (MessagingException me) {
Log.e(Email.LOG_TAG, "Folder.getUnreadMessageCount() failed", me);
}
}
Collections.sort(mFolders);
mHandler.dataChanged();
/*
* We will do this eventually. This restores the state of the list in the
* case of a killed Activity but we have some message sync issues to take care of.
*/
// if (mRestoredState != null) {
// if (Config.LOGV) {
// Log.v(Email.LOG_TAG, "Attempting to restore list state");
// }
// Parcelable listViewState =
// mListView.onRestoreInstanceState(mListViewState);
// mListViewState = null;
// }
/*
* Now we need to refresh any folders that are currently expanded. We do this
* in case the status or amount of messages has changed.
*/
for (int i = 0, count = getGroupCount(); i < count; i++) {
if (mListView.isGroupExpanded(i)) {
final FolderInfoHolder folder = (FolderInfoHolder) mAdapter.getGroup(i);
new Thread(new FolderUpdateWorker(folder.name, mRefreshRemote, null,
mAccount, MessagingController.getInstance(getApplication())))
.start();
}
}
mRefreshRemote = false;
} }
@Override @Override
@ -929,7 +936,7 @@ public class FolderMessageList extends ExpandableListActivity {
if (!account.equals(mAccount)) { if (!account.equals(mAccount)) {
return; return;
} }
addOrUpdateMessage(folder, message); mHandler.newMessage(folder, message);
} }
@Override @Override
@ -940,7 +947,7 @@ public class FolderMessageList extends ExpandableListActivity {
if (!account.equals(mAccount)) { if (!account.equals(mAccount)) {
return; return;
} }
removeMessage(folder, message.getUid()); mHandler.removeMessageByUid(folder, message.getUid());
} }
@Override @Override
@ -965,17 +972,10 @@ public class FolderMessageList extends ExpandableListActivity {
String folder, String folder,
String oldUid, String oldUid,
String newUid) { String newUid) {
if (mAccount.equals(account)) { if (!mAccount.equals(account)) {
FolderInfoHolder holder = getFolder(folder); return;
if (folder != null) {
for (MessageInfoHolder message : holder.messages) {
if (message.uid.equals(oldUid)) {
message.uid = newUid;
message.message.setUid(newUid);
}
}
}
} }
mHandler.messageUidChanged(folder, oldUid, newUid);
} }
}; };
@ -985,6 +985,71 @@ public class FolderMessageList extends ExpandableListActivity {
mAttachmentIcon = getResources().getDrawable(R.drawable.ic_mms_attachment_small); mAttachmentIcon = getResources().getDrawable(R.drawable.ic_mms_attachment_small);
} }
/**
* This code is invoked (in the UI thread) in response to a listFolders() callback
* into the MessageListener.
*/
private void doListFolders(Folder[] folders) {
for (Folder folder : folders) {
FolderInfoHolder holder = getFolder(folder.getName());
if (holder == null) {
holder = new FolderInfoHolder();
mFolders.add(holder);
}
holder.name = folder.getName();
if (holder.name.equalsIgnoreCase(Email.INBOX)) {
holder.displayName = getString(R.string.special_mailbox_name_inbox);
}
else {
holder.displayName = folder.getName();
}
if (holder.name.equals(mAccount.getOutboxFolderName())) {
holder.outbox = true;
}
if (holder.messages == null) {
holder.messages = new ArrayList<MessageInfoHolder>();
}
try {
folder.open(Folder.OpenMode.READ_WRITE, null);
holder.unreadMessageCount = folder.getUnreadMessageCount();
folder.close(false);
}
catch (MessagingException me) {
Log.e(Email.LOG_TAG, "Folder.getUnreadMessageCount() failed", me);
}
}
Collections.sort(mFolders);
mHandler.dataChanged();
/*
* We will do this eventually. This restores the state of the list in the
* case of a killed Activity but we have some message sync issues to take care of.
*/
// if (mRestoredState != null) {
// if (Config.LOGV) {
// Log.v(Email.LOG_TAG, "Attempting to restore list state");
// }
// Parcelable listViewState =
// mListView.onRestoreInstanceState(mListViewState);
// mListViewState = null;
// }
/*
* Now we need to refresh any folders that are currently expanded. We do this
* in case the status or amount of messages has changed.
*/
for (int i = 0, count = getGroupCount(); i < count; i++) {
if (mListView.isGroupExpanded(i)) {
final FolderInfoHolder folder = (FolderInfoHolder) getGroup(i);
new Thread(new FolderUpdateWorker(folder.name, mRefreshRemote, null,
mAccount, MessagingController.getInstance(getApplication())))
.start();
}
}
mRefreshRemote = false;
}
public void removeMessage(String folder, String messageUid) { public void removeMessage(String folder, String messageUid) {
FolderInfoHolder f = getFolder(folder); FolderInfoHolder f = getFolder(folder);
if (f == null) { if (f == null) {