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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "msgCore.h"
#include "nsMsgXFViewThread.h"
#include "nsMsgSearchDBView.h"
#include "nsMsgMessageFlags.h"
NS_IMPL_ISUPPORTS(nsMsgXFViewThread, nsIMsgThread)
nsMsgXFViewThread::nsMsgXFViewThread(nsMsgSearchDBView* view,
nsMsgKey threadId) {
m_numUnreadChildren = 0;
m_numChildren = 0;
m_flags = 0;
m_newestMsgDate = 0;
m_view = view;
m_threadId = threadId;
}
nsMsgXFViewThread::~nsMsgXFViewThread() {}
NS_IMETHODIMP
nsMsgXFViewThread::SetThreadKey(nsMsgKey threadKey) {
m_threadId = threadKey;
return NS_OK;
}
NS_IMETHODIMP
nsMsgXFViewThread::GetThreadKey(nsMsgKey* aResult) {
NS_ENSURE_ARG_POINTER(aResult);
*aResult = m_threadId;
return NS_OK;
}
NS_IMETHODIMP
nsMsgXFViewThread::GetFlags(uint32_t* aFlags) {
NS_ENSURE_ARG_POINTER(aFlags);
*aFlags = m_flags;
return NS_OK;
}
NS_IMETHODIMP
nsMsgXFViewThread::SetFlags(uint32_t aFlags) {
m_flags = aFlags;
return NS_OK;
}
NS_IMETHODIMP
nsMsgXFViewThread::SetSubject(const nsACString& aSubject) {
NS_ASSERTION(false, "shouldn't call this");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsMsgXFViewThread::GetSubject(nsACString& result) {
NS_ASSERTION(false, "shouldn't call this");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsMsgXFViewThread::GetNumChildren(uint32_t* aNumChildren) {
NS_ENSURE_ARG_POINTER(aNumChildren);
*aNumChildren = m_keys.Length();
return NS_OK;
}
NS_IMETHODIMP
nsMsgXFViewThread::GetNumUnreadChildren(uint32_t* aNumUnreadChildren) {
NS_ENSURE_ARG_POINTER(aNumUnreadChildren);
*aNumUnreadChildren = m_numUnreadChildren;
return NS_OK;
}
NS_IMETHODIMP
nsMsgXFViewThread::AddChild(nsIMsgDBHdr* aNewHdr, nsIMsgDBHdr* aInReplyTo,
bool aThreadInThread,
nsIDBChangeAnnouncer* aAnnouncer) {
uint32_t whereInserted;
return AddHdr(aNewHdr, false, whereInserted, nullptr);
}
// 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,
uint32_t& whereInserted,
nsIMsgDBHdr** outParent) {
nsCOMPtr<nsIMsgFolder> newHdrFolder;
newHdr->GetFolder(getter_AddRefs(newHdrFolder));
uint32_t newHdrFlags = 0;
uint32_t 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 = nullptr;
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.
uint16_t numReferences;
newHdr->GetNumReferences(&numReferences);
nsCOMPtr<nsIMsgDBHdr> parent;
int32_t parentIndex = -1;
for (int32_t i = numReferences - 1; i >= 0; i--) {
nsAutoCString 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 = nullptr;
}
break;
}
}
if (parent) {
uint32_t parentLevel = m_levels[parentIndex];
nsMsgKey parentKey;
parent->GetMessageKey(&parentKey);
nsCOMPtr<nsIMsgFolder> parentFolder;
parent->GetFolder(getter_AddRefs(parentFolder));
if (outParent) parent.forget(outParent);
// 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.
uint32_t msgDate, childDate;
newHdr->GetDateInSeconds(&msgDate);
nsCOMPtr<nsIMsgDBHdr> child;
nsMsgViewIndex i;
nsMsgViewIndex insertIndex = m_keys.Length();
uint32_t 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;
uint8_t 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 = nullptr;
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) rootHdr.forget(outParent);
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(nullptr, getter_AddRefs(topLevelHdr));
// if (NS_SUCCEEDED(rv) && topLevelHdr) {
// topLevelHdr->GetDate(&topLevelHdrDate);
// if (newHdrDate < topLevelHdrDate) ?? and now ??
// }
// }
return NS_OK;
}
NS_IMETHODIMP
nsMsgXFViewThread::GetChildHdrAt(uint32_t aIndex, nsIMsgDBHdr** aResult) {
if (aIndex >= m_keys.Length()) return NS_MSG_MESSAGE_NOT_FOUND;
nsCOMPtr<nsIMsgDatabase> db;
nsresult rv = m_folders[aIndex]->GetMsgDatabase(getter_AddRefs(db));
NS_ENSURE_SUCCESS(rv, rv);
return db->GetMsgHdrForKey(m_keys[aIndex], aResult);
}
NS_IMETHODIMP
nsMsgXFViewThread::RemoveChildAt(uint32_t aIndex) {
m_keys.RemoveElementAt(aIndex);
m_levels.RemoveElementAt(aIndex);
m_folders.RemoveObjectAt(aIndex);
return NS_OK;
}
NS_IMETHODIMP
nsMsgXFViewThread::RemoveChildHdr(nsIMsgDBHdr* child,
nsIDBChangeAnnouncer* announcer) {
NS_ENSURE_ARG_POINTER(child);
nsMsgKey msgKey;
uint32_t 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.
uint32_t date;
child->GetDateInSeconds(&date);
if (date == m_newestMsgDate) SetNewestMsgDate(0);
for (uint32_t childIndex = 0; childIndex < m_keys.Length(); childIndex++) {
if (m_keys[childIndex] == msgKey && m_folders[childIndex] == msgFolder) {
uint8_t 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;
}
NS_IMETHODIMP
nsMsgXFViewThread::GetRootHdr(int32_t* aResultIndex, nsIMsgDBHdr** aResult) {
NS_ENSURE_ARG_POINTER(aResult);
if (aResultIndex) *aResultIndex = 0;
return GetChildHdrAt(0, aResult);
}
NS_IMETHODIMP
nsMsgXFViewThread::GetChildKeyAt(uint32_t aIndex, nsMsgKey* aResult) {
NS_ASSERTION(false, "shouldn't call this");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsMsgXFViewThread::GetChild(nsMsgKey msgKey, nsIMsgDBHdr** aResult) {
NS_ASSERTION(false, "shouldn't call this");
return NS_ERROR_NOT_IMPLEMENTED;
}
int32_t nsMsgXFViewThread::HdrIndex(nsIMsgDBHdr* hdr) {
nsMsgKey msgKey;
nsCOMPtr<nsIMsgFolder> folder;
hdr->GetMessageKey(&msgKey);
hdr->GetFolder(getter_AddRefs(folder));
for (uint32_t i = 0; i < m_keys.Length(); i++) {
if (m_keys[i] == msgKey && m_folders[i] == folder) return i;
}
return -1;
}
void nsMsgXFViewThread::ChangeUnreadChildCount(int32_t delta) {
m_numUnreadChildren += delta;
}
void nsMsgXFViewThread::ChangeChildCount(int32_t delta) {
m_numChildren += delta;
}
bool nsMsgXFViewThread::IsHdrParentOf(nsIMsgDBHdr* possibleParent,
nsIMsgDBHdr* possibleChild) {
uint16_t referenceToCheck = 0;
possibleChild->GetNumReferences(&referenceToCheck);
nsAutoCString reference;
nsCString messageId;
possibleParent->GetMessageId(getter_Copies(messageId));
while (referenceToCheck > 0) {
possibleChild->GetStringReference(referenceToCheck - 1, reference);
if (reference.Equals(messageId)) return true;
// If reference didn't match, check if this ref is for a non-existent
// header. If it is, continue looking at ancestors.
nsCOMPtr<nsIMsgDBHdr> refHdr;
m_view->GetMsgHdrFromHash(reference, getter_AddRefs(refHdr));
if (refHdr) break;
referenceToCheck--;
}
return false;
}
NS_IMETHODIMP
nsMsgXFViewThread::GetNewestMsgDate(uint32_t* aResult) {
// If this hasn't been set, figure it out by enumerating the msgs in the
// thread.
if (!m_newestMsgDate) {
uint32_t numChildren;
nsresult rv = NS_OK;
GetNumChildren(&numChildren);
if ((int32_t)numChildren < 0) numChildren = 0;
for (uint32_t childIndex = 0; childIndex < numChildren; childIndex++) {
nsCOMPtr<nsIMsgDBHdr> child;
rv = GetChildHdrAt(childIndex, getter_AddRefs(child));
if (NS_SUCCEEDED(rv) && child) {
uint32_t msgDate;
child->GetDateInSeconds(&msgDate);
if (msgDate > m_newestMsgDate) m_newestMsgDate = msgDate;
}
}
}
*aResult = m_newestMsgDate;
return NS_OK;
}
NS_IMETHODIMP
nsMsgXFViewThread::SetNewestMsgDate(uint32_t aNewestMsgDate) {
m_newestMsgDate = aNewestMsgDate;
return NS_OK;
}
NS_IMETHODIMP
nsMsgXFViewThread::MarkChildRead(bool aRead) {
ChangeUnreadChildCount(aRead ? -1 : 1);
return NS_OK;
}
NS_IMETHODIMP
nsMsgXFViewThread::GetFirstUnreadChild(nsIMsgDBHdr** aResult) {
NS_ENSURE_ARG(aResult);
uint32_t numChildren;
GetNumChildren(&numChildren);
if ((int32_t)numChildren < 0) numChildren = 0;
for (uint32_t childIndex = 0; childIndex < numChildren; childIndex++) {
nsCOMPtr<nsIMsgDBHdr> child;
nsresult rv = GetChildHdrAt(childIndex, getter_AddRefs(child));
if (NS_SUCCEEDED(rv) && child) {
nsMsgKey msgKey;
child->GetMessageKey(&msgKey);
bool isRead;
nsCOMPtr<nsIMsgDatabase> db;
nsresult rv = m_folders[childIndex]->GetMsgDatabase(getter_AddRefs(db));
if (NS_SUCCEEDED(rv)) rv = db->IsRead(msgKey, &isRead);
if (NS_SUCCEEDED(rv) && !isRead) {
child.forget(aResult);
break;
}
}
}
return (*aResult) ? NS_OK : NS_ERROR_NULL_POINTER;
}
NS_IMETHODIMP
nsMsgXFViewThread::EnumerateMessages(nsMsgKey aParentKey,
nsIMsgEnumerator** aResult) {
NS_ERROR("shouldn't call this");
return NS_ERROR_NOT_IMPLEMENTED;
}