nsresult nsMsgThread::InitCachedValues()
{
nsresult err = NS_OK;
NS_ENSURE_TRUE(m_mdbDB && m_metaRow, NS_ERROR_INVALID_POINTER);
if (!m_cachedValuesInitialized)
{
err = m_mdbDB->RowCellColumnToUInt32(m_metaRow, m_mdbDB->m_threadFlagsColumnToken, &m_flags);
err = m_mdbDB->RowCellColumnToUInt32(m_metaRow, m_mdbDB->m_threadChildrenColumnToken, &m_numChildren);
err = m_mdbDB->RowCellColumnToUInt32(m_metaRow, m_mdbDB->m_threadIdColumnToken, &m_threadKey);
err = m_mdbDB->RowCellColumnToUInt32(m_metaRow, m_mdbDB->m_threadUnreadChildrenColumnToken, &m_numUnreadChildren);
err = m_mdbDB->RowCellColumnToUInt32(m_metaRow, m_mdbDB->m_threadRootKeyColumnToken, &m_threadRootKey, nsMsgKey_None);
err = m_mdbDB->RowCellColumnToUInt32(m_metaRow, m_mdbDB->m_threadNewestMsgDateColumnToken, &m_newestMsgDate, 0);
// fix num children if it's wrong. this doesn't work - some DB's have a bogus thread table
// that is full of bogus headers - don't know why.
PRUint32 rowCount = 0;
m_mdbTable->GetCount(m_mdbDB->GetEnv(), &rowCount);
// NS_ASSERTION(m_numChildren <= rowCount, "num children wrong - fixing");
if (m_numChildren > rowCount)
ChangeChildCount((PRInt32) rowCount - (PRInt32) m_numChildren);
if ((PRInt32) m_numUnreadChildren < 0)
ChangeUnreadChildCount(- (PRInt32) m_numUnreadChildren);
if (NS_SUCCEEDED(err))
m_cachedValuesInitialized = PR_TRUE;
}
return err;
}
NS_IMETHODIMP nsMsgThread::RemoveChildHdr(nsIMsgDBHdr *child, nsIDBChangeAnnouncer *announcer)
{
uint32_t flags;
nsMsgKey key;
nsMsgKey threadParent;
NS_ENSURE_ARG_POINTER(child);
child->GetFlags(&flags);
child->GetMessageKey(&key);
child->GetThreadParent(&threadParent);
ReparentChildrenOf(key, threadParent, announcer);
// if this was the newest msg, clear the newest msg date so we'll recalc.
uint32_t date;
child->GetDateInSeconds(&date);
if (date == m_newestMsgDate)
SetNewestMsgDate(0);
if (!(flags & nsMsgMessageFlags::Read))
ChangeUnreadChildCount(-1);
ChangeChildCount(-1);
return RemoveChild(key);
}
NS_IMETHODIMP nsMsgXFViewThread::RemoveChildHdr(nsIMsgDBHdr *child, nsIDBChangeAnnouncer *announcer)
{
NS_ENSURE_ARG_POINTER(child);
nsMsgKey msgKey;
PRUint32 msgFlags;
child->GetMessageKey(&msgKey);
child->GetFlags(&msgFlags);
nsCOMPtr<nsIMsgFolder> msgFolder;
child->GetFolder(getter_AddRefs(msgFolder));
// if this was the newest msg, clear the newest msg date so we'll recalc.
PRUint32 date;
child->GetDateInSeconds(&date);
if (date == m_newestMsgDate)
SetNewestMsgDate(0);
for (PRUint32 childIndex = 0; childIndex < m_keys.Length(); childIndex++)
{
if (m_keys[childIndex] == msgKey && m_folders[childIndex] == msgFolder)
{
PRUint8 levelRemoved = m_keys[childIndex];
// Adjust the levels of all the children of this header
nsMsgViewIndex i;
for (i = childIndex + 1;
i < m_keys.Length() && m_levels[i] > levelRemoved; i++)
m_levels[i] = m_levels[i] - 1;
m_view->NoteChange(childIndex + 1, i - childIndex + 1,
nsMsgViewNotificationCode::changed);
m_keys.RemoveElementAt(childIndex);
m_levels.RemoveElementAt(childIndex);
m_folders.RemoveObjectAt(childIndex);
if (!(msgFlags & nsMsgMessageFlags::Read))
ChangeUnreadChildCount(-1);
ChangeChildCount(-1);
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
// Returns the parent of the newly added header. If reparentChildren
// is true, we believe that the new header is a parent of an existing
// header, and we should find it, and reparent it.
nsresult nsMsgXFViewThread::AddHdr(nsIMsgDBHdr *newHdr,
bool reparentChildren,
PRUint32 &whereInserted,
nsIMsgDBHdr **outParent)
{
nsCOMPtr<nsIMsgFolder> newHdrFolder;
newHdr->GetFolder(getter_AddRefs(newHdrFolder));
PRUint32 newHdrFlags = 0;
PRUint32 msgDate;
nsMsgKey newHdrKey = 0;
newHdr->GetMessageKey(&newHdrKey);
newHdr->GetDateInSeconds(&msgDate);
newHdr->GetFlags(&newHdrFlags);
if (msgDate > m_newestMsgDate)
SetNewestMsgDate(msgDate);
if (newHdrFlags & nsMsgMessageFlags::Watched)
SetFlags(m_flags | nsMsgMessageFlags::Watched);
ChangeChildCount(1);
if (! (newHdrFlags & nsMsgMessageFlags::Read))
ChangeUnreadChildCount(1);
if (m_numChildren == 1)
{
m_keys.InsertElementAt(0, newHdrKey);
m_levels.InsertElementAt(0, 0);
m_folders.InsertObjectAt(newHdrFolder, 0);
if (outParent)
*outParent = nsnull;
whereInserted = 0;
return NS_OK;
}
// Find our parent, if any, in the thread. Starting at the newest
// reference, and working our way back, see if we've mapped that reference
// to this thread.
PRUint16 numReferences;
newHdr->GetNumReferences(&numReferences);
nsCOMPtr<nsIMsgDBHdr> parent;
PRInt32 parentIndex;
for (PRInt32 i = numReferences - 1; i >= 0; i--)
{
nsCAutoString reference;
newHdr->GetStringReference(i, reference);
if (reference.IsEmpty())
break;
// I could look for the thread from the reference, but getting
// the header directly should be fine. If it's not, that means
// that the parent isn't in this thread, though it should be.
m_view->GetMsgHdrFromHash(reference, getter_AddRefs(parent));
if (parent)
{
parentIndex = HdrIndex(parent);
if (parentIndex == -1)
{
NS_ERROR("how did we get in the wrong thread?");
parent = nsnull;
}
break;
}
}
if (parent)
{
if (outParent)
NS_ADDREF(*outParent = parent);
PRUint32 parentLevel = m_levels[parentIndex];
nsMsgKey parentKey;
parent->GetMessageKey(&parentKey);
nsCOMPtr<nsIMsgFolder> parentFolder;
parent->GetFolder(getter_AddRefs(parentFolder));
// iterate over our parents' children until we find one we're older than,
// and insert ourselves before it, or as the last child. In other words,
// insert, sorted by date.
PRUint32 msgDate, childDate;
newHdr->GetDateInSeconds(&msgDate);
nsCOMPtr<nsIMsgDBHdr> child;
nsMsgViewIndex i;
nsMsgViewIndex insertIndex = m_keys.Length();
PRUint32 insertLevel = parentLevel + 1;
for (i = parentIndex;
i < m_keys.Length() && (i == (nsMsgViewIndex)parentIndex || m_levels[i] >= parentLevel);
i++)
{
GetChildHdrAt(i, getter_AddRefs(child));
if (child)
{
if (reparentChildren && IsHdrParentOf(newHdr, child))
{
insertIndex = i;
// bump all the children of the current child, and the child
nsMsgViewIndex j = insertIndex;
PRUint8 childLevel = m_levels[insertIndex];
do
{
m_levels[j] = m_levels[j] + 1;
j++;
}
while (j < m_keys.Length() && m_levels[j] > childLevel);
break;
}
else if (m_levels[i] == parentLevel + 1) // possible sibling
{
child->GetDateInSeconds(&childDate);
if (msgDate < childDate)
{
// if we think we need to reparent, remember this
// insert index, but keep looking for children.
insertIndex = i;
insertLevel = m_levels[i];
// if the sibling we're inserting after has children, we need
// to go after the children.
while (insertIndex + 1 < m_keys.Length() && m_levels[insertIndex + 1] > insertLevel)
insertIndex++;
if (!reparentChildren)
break;
}
}
}
}
m_keys.InsertElementAt(insertIndex, newHdrKey);
m_levels.InsertElementAt(insertIndex, insertLevel);
m_folders.InsertObjectAt(newHdrFolder, insertIndex);
whereInserted = insertIndex;
}
else
{
if (outParent)
*outParent = nsnull;
nsCOMPtr<nsIMsgDBHdr> rootHdr;
GetChildHdrAt(0, getter_AddRefs(rootHdr));
// If the new header is a parent of the root then it should be promoted.
if (rootHdr && IsHdrParentOf(newHdr, rootHdr))
{
m_keys.InsertElementAt(0, newHdrKey);
m_levels.InsertElementAt(0, 0);
m_folders.InsertObjectAt(newHdrFolder, 0);
whereInserted = 0;
// Adjust level of old root hdr and its children
for (nsMsgViewIndex i = 1; i < m_keys.Length(); i++)
m_levels[i] = m_levels[1] + 1;
}
else
{
m_keys.AppendElement(newHdrKey);
m_levels.AppendElement(1);
m_folders.AppendObject(newHdrFolder);
if (outParent)
NS_IF_ADDREF(*outParent = rootHdr);
whereInserted = m_keys.Length() -1;
}
}
// ### TODO handle the case where the root header starts
// with Re, and the new one doesn't, and is earlier. In that
// case, we want to promote the new header to root.
// PRTime newHdrDate;
// newHdr->GetDate(&newHdrDate);
// if (numChildren > 0 && !(newHdrFlags & nsMsgMessageFlags::HasRe))
// {
// PRTime topLevelHdrDate;
// nsCOMPtr<nsIMsgDBHdr> topLevelHdr;
// rv = GetRootHdr(nsnull, getter_AddRefs(topLevelHdr));
// if (NS_SUCCEEDED(rv) && topLevelHdr)
// {
// topLevelHdr->GetDate(&topLevelHdrDate);
// if (LL_CMP(newHdrDate, <, topLevelHdrDate))
// }
// }
return NS_OK;
}
NS_IMETHODIMP nsMsgThread::AddChild(nsIMsgDBHdr *child, nsIMsgDBHdr *inReplyTo, PRBool threadInThread,
nsIDBChangeAnnouncer *announcer)
{
nsresult rv = NS_OK;
nsMsgHdr* hdr = static_cast<nsMsgHdr*>(child); // closed system, cast ok
PRUint32 newHdrFlags = 0;
PRUint32 msgDate;
nsMsgKey newHdrKey = 0;
PRBool parentKeyNeedsSetting = PR_TRUE;
nsIMdbRow *hdrRow = hdr->GetMDBRow();
hdr->GetRawFlags(&newHdrFlags);
hdr->GetMessageKey(&newHdrKey);
hdr->GetDateInSeconds(&msgDate);
if (msgDate > m_newestMsgDate)
SetNewestMsgDate(msgDate);
if (newHdrFlags & MSG_FLAG_WATCHED)
SetFlags(m_flags | MSG_FLAG_WATCHED);
child->AndFlags(~(MSG_FLAG_WATCHED), &newHdrFlags);
// These are threading flags that the child may have set before being added
// to the database.
PRUint32 protoThreadFlags;
child->GetUint32Property("ProtoThreadFlags", &protoThreadFlags);
SetFlags(m_flags | protoThreadFlags);
// Clear the flag so that it doesn't fudge anywhere else
child->SetUint32Property("ProtoThreadFlags", 0);
PRUint32 numChildren;
PRUint32 childIndex = 0;
// get the num children before we add the new header.
GetNumChildren(&numChildren);
// if this is an empty thread, set the root key to this header's key
if (numChildren == 0)
SetThreadRootKey(newHdrKey);
if (m_mdbTable)
{
m_mdbTable->AddRow(m_mdbDB->GetEnv(), hdrRow);
ChangeChildCount(1);
if (! (newHdrFlags & MSG_FLAG_READ))
ChangeUnreadChildCount(1);
}
if (inReplyTo)
{
nsMsgKey parentKey;
inReplyTo->GetMessageKey(&parentKey);
child->SetThreadParent(parentKey);
parentKeyNeedsSetting = PR_FALSE;
}
// check if this header is a parent of one of the messages in this thread
PRBool hdrMoved = PR_FALSE;
nsCOMPtr <nsIMsgDBHdr> curHdr;
PRUint32 moveIndex = 0;
PRTime newHdrDate;
child->GetDate(&newHdrDate);
// This is an ugly but simple fix for a difficult problem. Basically, when we add
// a message to a thread, we have to run through the thread to see if the new
// message is a parent of an existing message in the thread, and adjust things
// accordingly. If you thread by subject, and you have a large folder with
// messages w/ all the same subject, this code can take a really long time. So the
// pragmatic thing is to say that for threads with more than 1000 messages, it's
// simply not worth dealing with the case where the parent comes in after the
// child. Threads with more than 1000 messages are pretty unwieldy anyway.
// See Bug 90452
if (numChildren < 1000)
{
for (childIndex = 0; childIndex < numChildren; childIndex++)
{
nsMsgKey msgKey;
rv = GetChildHdrAt(childIndex, getter_AddRefs(curHdr));
if (NS_SUCCEEDED(rv) && curHdr)
{
if (hdr->IsParentOf(curHdr))
{
nsMsgKey oldThreadParent;
mdb_pos outPos;
// move this hdr before the current header.
if (!hdrMoved)
{
m_mdbTable->MoveRow(m_mdbDB->GetEnv(), hdrRow, -1, childIndex, &outPos);
hdrMoved = PR_TRUE;
curHdr->GetThreadParent(&oldThreadParent);
curHdr->GetMessageKey(&msgKey);
nsCOMPtr <nsIMsgDBHdr> curParent;
m_mdbDB->GetMsgHdrForKey(oldThreadParent, getter_AddRefs(curParent));
if (curParent && hdr->IsAncestorOf(curParent))
{
nsMsgKey curParentKey;
curParent->GetMessageKey(&curParentKey);
if (curParentKey == m_threadRootKey)
{
m_mdbTable->MoveRow(m_mdbDB->GetEnv(), hdrRow, -1, 0, &outPos);
RerootThread(child, curParent, announcer);
parentKeyNeedsSetting = PR_FALSE;
}
}
else if (msgKey == m_threadRootKey)
{
RerootThread(child, curHdr, announcer);
parentKeyNeedsSetting = PR_FALSE;
}
}
curHdr->SetThreadParent(newHdrKey);
if (msgKey == newHdrKey)
parentKeyNeedsSetting = PR_FALSE;
// OK, this is a reparenting - need to send notification
if (announcer)
announcer->NotifyParentChangedAll(msgKey, oldThreadParent, newHdrKey, nsnull);
#ifdef DEBUG_bienvenu1
if (newHdrKey != m_threadKey)
printf("adding second level child\n");
#endif
}
// Calculate a position for this child in date order
else if (!hdrMoved && childIndex > 0 && moveIndex == 0)
{
PRTime curHdrDate;
curHdr->GetDate(&curHdrDate);
if (LL_CMP(newHdrDate, <, curHdrDate))
moveIndex = childIndex;
}
}
}
}
NS_IMETHODIMP nsMsgThread::AddChild(nsIMsgDBHdr *child, nsIMsgDBHdr *inReplyTo, bool threadInThread,
nsIDBChangeAnnouncer *announcer)
{
nsresult rv = NS_OK;
nsMsgHdr* hdr = static_cast<nsMsgHdr*>(child); // closed system, cast ok
uint32_t newHdrFlags = 0;
uint32_t msgDate;
nsMsgKey newHdrKey = 0;
bool parentKeyNeedsSetting = true;
nsIMdbRow *hdrRow = hdr->GetMDBRow();
hdr->GetRawFlags(&newHdrFlags);
hdr->GetMessageKey(&newHdrKey);
hdr->GetDateInSeconds(&msgDate);
if (msgDate > m_newestMsgDate)
SetNewestMsgDate(msgDate);
if (newHdrFlags & nsMsgMessageFlags::Watched)
SetFlags(m_flags | nsMsgMessageFlags::Watched);
child->AndFlags(~(nsMsgMessageFlags::Watched), &newHdrFlags);
// These are threading flags that the child may have set before being added
// to the database.
uint32_t protoThreadFlags;
child->GetUint32Property("ProtoThreadFlags", &protoThreadFlags);
SetFlags(m_flags | protoThreadFlags);
// Clear the flag so that it doesn't fudge anywhere else
child->SetUint32Property("ProtoThreadFlags", 0);
uint32_t numChildren;
uint32_t childIndex = 0;
// get the num children before we add the new header.
GetNumChildren(&numChildren);
// if this is an empty thread, set the root key to this header's key
if (numChildren == 0)
SetThreadRootKey(newHdrKey);
if (m_mdbTable)
{
m_mdbTable->AddRow(m_mdbDB->GetEnv(), hdrRow);
ChangeChildCount(1);
if (! (newHdrFlags & nsMsgMessageFlags::Read))
ChangeUnreadChildCount(1);
}
if (inReplyTo)
{
nsMsgKey parentKey;
inReplyTo->GetMessageKey(&parentKey);
child->SetThreadParent(parentKey);
parentKeyNeedsSetting = false;
}
// check if this header is a parent of one of the messages in this thread
bool hdrMoved = false;
nsCOMPtr <nsIMsgDBHdr> curHdr;
uint32_t moveIndex = 0;
PRTime newHdrDate;
child->GetDate(&newHdrDate);
// This is an ugly but simple fix for a difficult problem. Basically, when we add
// a message to a thread, we have to run through the thread to see if the new
// message is a parent of an existing message in the thread, and adjust things
// accordingly. If you thread by subject, and you have a large folder with
// messages w/ all the same subject, this code can take a really long time. So the
// pragmatic thing is to say that for threads with more than 1000 messages, it's
// simply not worth dealing with the case where the parent comes in after the
// child. Threads with more than 1000 messages are pretty unwieldy anyway.
// See Bug 90452
if (numChildren < 1000)
{
for (childIndex = 0; childIndex < numChildren; childIndex++)
{
nsMsgKey msgKey;
rv = GetChildHdrAt(childIndex, getter_AddRefs(curHdr));
if (NS_SUCCEEDED(rv) && curHdr)
{
if (hdr->IsParentOf(curHdr))
{
nsMsgKey oldThreadParent;
mdb_pos outPos;
// move this hdr before the current header.
if (!hdrMoved)
{
m_mdbTable->MoveRow(m_mdbDB->GetEnv(), hdrRow, -1, childIndex, &outPos);
hdrMoved = true;
curHdr->GetThreadParent(&oldThreadParent);
curHdr->GetMessageKey(&msgKey);
nsCOMPtr <nsIMsgDBHdr> curParent;
m_mdbDB->GetMsgHdrForKey(oldThreadParent, getter_AddRefs(curParent));
if (curParent && hdr->IsAncestorOf(curParent))
{
nsMsgKey curParentKey;
curParent->GetMessageKey(&curParentKey);
if (curParentKey == m_threadRootKey)
{
m_mdbTable->MoveRow(m_mdbDB->GetEnv(), hdrRow, -1, 0, &outPos);
RerootThread(child, curParent, announcer);
parentKeyNeedsSetting = false;
}
}
else if (msgKey == m_threadRootKey)
{
RerootThread(child, curHdr, announcer);
parentKeyNeedsSetting = false;
}
}
curHdr->SetThreadParent(newHdrKey);
if (msgKey == newHdrKey)
parentKeyNeedsSetting = false;
// OK, this is a reparenting - need to send notification
if (announcer)
announcer->NotifyParentChangedAll(msgKey, oldThreadParent, newHdrKey, nullptr);
#ifdef DEBUG_bienvenu1
if (newHdrKey != m_threadKey)
printf("adding second level child\n");
#endif
}
// Calculate a position for this child in date order
else if (!hdrMoved && childIndex > 0 && moveIndex == 0)
{
PRTime curHdrDate;
curHdr->GetDate(&curHdrDate);
if (newHdrDate < curHdrDate)
moveIndex = childIndex;
}
}
}
}
// If this header is not a reply to a header in the thread, and isn't a parent
// check to see if it starts with Re: - if not, and the first header does start
// with re, should we make this header the top level header?
// If it's date is less (or it's ID?), then yes.
if (numChildren > 0 && !(newHdrFlags & nsMsgMessageFlags::HasRe) && !inReplyTo)
{
PRTime topLevelHdrDate;
nsCOMPtr <nsIMsgDBHdr> topLevelHdr;
rv = GetRootHdr(nullptr, getter_AddRefs(topLevelHdr));
if (NS_SUCCEEDED(rv) && topLevelHdr)
{
topLevelHdr->GetDate(&topLevelHdrDate);
if (newHdrDate < topLevelHdrDate)
{
RerootThread(child, topLevelHdr, announcer);
mdb_pos outPos;
m_mdbTable->MoveRow(m_mdbDB->GetEnv(), hdrRow, -1, 0, &outPos);
hdrMoved = true;
topLevelHdr->SetThreadParent(newHdrKey);
parentKeyNeedsSetting = false;
// ### need to get ancestor of new hdr here too.
SetThreadRootKey(newHdrKey);
child->SetThreadParent(nsMsgKey_None);
// argh, here we'd need to adjust all the headers that listed
// the demoted header as their thread parent, but only because
// of subject threading. Adjust them to point to the new parent,
// that is.
ReparentNonReferenceChildrenOf(topLevelHdr, newHdrKey, announcer);
}
}
}
// OK, check to see if we added this header, and didn't parent it.
if (numChildren > 0 && parentKeyNeedsSetting)
child->SetThreadParent(m_threadRootKey);
// Move child to keep thread sorted in ascending date order
if (!hdrMoved && moveIndex > 0)
{
mdb_pos outPos;
m_mdbTable->MoveRow(m_mdbDB->GetEnv(), hdrRow, -1, moveIndex, &outPos);
}
// do this after we've put the new hdr in the thread
bool isKilled;
child->GetIsKilled(&isKilled);
if ((m_flags & nsMsgMessageFlags::Ignored || isKilled) && m_mdbDB)
m_mdbDB->MarkHdrRead(child, true, nullptr);
#ifdef DEBUG_David_Bienvenu
nsMsgKey msgHdrThreadKey;
child->GetThreadId(&msgHdrThreadKey);
NS_ASSERTION(msgHdrThreadKey == m_threadKey, "adding msg to thread it doesn't belong to");
#endif
#ifdef DEBUG_bienvenu1
nsMsgDatabase *msgDB = static_cast<nsMsgDatabase*>(m_mdbDB);
msgDB->DumpThread(m_threadRootKey);
#endif
return rv;
}
NS_IMETHODIMP nsMsgThread::AddChild(nsIMsgDBHdr *child, nsIMsgDBHdr *inReplyTo, PRBool threadInThread,
nsIDBChangeAnnouncer *announcer)
{
nsresult ret = NS_OK;
nsMsgHdr* hdr = NS_STATIC_CAST(nsMsgHdr*, child); // closed system, cast ok
PRUint32 newHdrFlags = 0;
PRUint32 msgDate;
nsMsgKey newHdrKey = 0;
PRBool parentKeyNeedsSetting = PR_TRUE;
nsIMdbRow *hdrRow = hdr->GetMDBRow();
hdr->GetRawFlags(&newHdrFlags);
hdr->GetMessageKey(&newHdrKey);
hdr->GetDateInSeconds(&msgDate);
if (msgDate > m_newestMsgDate)
SetNewestMsgDate(msgDate);
if (newHdrFlags & MSG_FLAG_IGNORED)
SetFlags(m_flags | MSG_FLAG_IGNORED);
if (newHdrFlags & MSG_FLAG_WATCHED)
SetFlags(m_flags | MSG_FLAG_WATCHED);
child->AndFlags(~(MSG_FLAG_WATCHED | MSG_FLAG_IGNORED), &newHdrFlags);
PRUint32 numChildren;
PRUint32 childIndex = 0;
// get the num children before we add the new header.
GetNumChildren(&numChildren);
// if this is an empty thread, set the root key to this header's key
if (numChildren == 0)
SetThreadRootKey(newHdrKey);
if (m_mdbTable)
{
m_mdbTable->AddRow(m_mdbDB->GetEnv(), hdrRow);
ChangeChildCount(1);
if (! (newHdrFlags & MSG_FLAG_READ))
ChangeUnreadChildCount(1);
}
if (inReplyTo)
{
nsMsgKey parentKey;
inReplyTo->GetMessageKey(&parentKey);
child->SetThreadParent(parentKey);
parentKeyNeedsSetting = PR_FALSE;
}
// check if this header is a parent of one of the messages in this thread
PRBool hdrMoved = PR_FALSE;
nsCOMPtr <nsIMsgDBHdr> curHdr;
// This is an ugly but simple fix for a difficult problem. Basically, when we add
// a message to a thread, we have to run through the thread to see if the new
// message is a parent of an existing message in the thread, and adjust things
// accordingly. If you thread by subject, and you have a large folder with
// messages w/ all the same subject, this code can take a really long time. So the
// pragmatic thing is to say that for threads with more than 1000 messages, it's
// simply not worth dealing with the case where the parent comes in after the
// child. Threads with more than 1000 messages are pretty unwieldy anyway.
// See Bug 90452
if (numChildren < 1000)
{
for (childIndex = 0; childIndex < numChildren; childIndex++)
{
nsMsgKey msgKey;
ret = GetChildHdrAt(childIndex, getter_AddRefs(curHdr));
if (NS_SUCCEEDED(ret) && curHdr)
{
if (hdr->IsParentOf(curHdr))
{
nsMsgKey oldThreadParent;
mdb_pos outPos;
// move this hdr before the current header.
if (!hdrMoved)
{
m_mdbTable->MoveRow(m_mdbDB->GetEnv(), hdrRow, -1, childIndex, &outPos);
hdrMoved = PR_TRUE;
curHdr->GetThreadParent(&oldThreadParent);
curHdr->GetMessageKey(&msgKey);
nsCOMPtr <nsIMsgDBHdr> curParent;
m_mdbDB->GetMsgHdrForKey(oldThreadParent, getter_AddRefs(curParent));
if (curParent && hdr->IsAncestorOf(curParent))
{
nsMsgKey curParentKey;
curParent->GetMessageKey(&curParentKey);
if (curParentKey == m_threadRootKey)
{
m_mdbTable->MoveRow(m_mdbDB->GetEnv(), hdrRow, -1, 0, &outPos);
RerootThread(child, curParent, announcer);
parentKeyNeedsSetting = PR_FALSE;
}
}
else if (msgKey == m_threadRootKey)
{
RerootThread(child, curHdr, announcer);
parentKeyNeedsSetting = PR_FALSE;
}
}
curHdr->SetThreadParent(newHdrKey);
if (msgKey == newHdrKey)
parentKeyNeedsSetting = PR_FALSE;
// OK, this is a reparenting - need to send notification
if (announcer)
announcer->NotifyParentChangedAll(msgKey, oldThreadParent, newHdrKey, nsnull);
#ifdef DEBUG_bienvenu1
if (newHdrKey != m_threadKey)
printf("adding second level child\n");
#endif
}
}
}
}
// If this header is not a reply to a header in the thread, and isn't a parent
// check to see if it starts with Re: - if not, and the first header does start
// with re, should we make this header the top level header?
// If it's date is less (or it's ID?), then yes.
if (numChildren > 0 && !(newHdrFlags & MSG_FLAG_HAS_RE) && !inReplyTo)
{
PRTime newHdrDate;
PRTime topLevelHdrDate;
nsCOMPtr <nsIMsgDBHdr> topLevelHdr;
ret = GetRootHdr(nsnull, getter_AddRefs(topLevelHdr));
if (NS_SUCCEEDED(ret) && topLevelHdr)
{
child->GetDate(&newHdrDate);
topLevelHdr->GetDate(&topLevelHdrDate);
if (LL_CMP(newHdrDate, <, topLevelHdrDate))
{
RerootThread(child, topLevelHdr, announcer);
mdb_pos outPos;
m_mdbTable->MoveRow(m_mdbDB->GetEnv(), hdrRow, -1, 0, &outPos);
topLevelHdr->SetThreadParent(newHdrKey);
parentKeyNeedsSetting = PR_FALSE;
// ### need to get ancestor of new hdr here too.
SetThreadRootKey(newHdrKey);
child->SetThreadParent(nsMsgKey_None);
// argh, here we'd need to adjust all the headers that listed
// the demoted header as their thread parent, but only because
// of subject threading. Adjust them to point to the new parent,
// that is.
ReparentNonReferenceChildrenOf(topLevelHdr, newHdrKey, announcer);
}
}