NS_IMETHODIMP nsMsgFolderCache::GetCacheElement(const nsACString& pathKey, PRBool createIfMissing,
nsIMsgFolderCacheElement **result)
{
NS_ENSURE_ARG_POINTER(result);
NS_ENSURE_TRUE(!pathKey.IsEmpty(), NS_ERROR_FAILURE);
nsCOMPtr<nsIMsgFolderCacheElement> folderCacheEl;
m_cacheElements.Get(pathKey, getter_AddRefs(folderCacheEl));
folderCacheEl.swap(*result);
if (*result)
return NS_OK;
else if (createIfMissing)
{
nsIMdbRow* hdrRow;
if (GetStore())
{
mdb_err err = GetStore()->NewRow(GetEnv(), m_folderRowScopeToken, // row scope for row ids
&hdrRow);
if (NS_SUCCEEDED(err) && hdrRow)
{
m_mdbAllFoldersTable->AddRow(GetEnv(), hdrRow);
nsresult ret = AddCacheElement(pathKey, hdrRow, result);
if (*result)
(*result)->SetStringProperty("key", pathKey);
hdrRow->Release();
return ret;
}
}
}
return NS_ERROR_FAILURE;
}
nsresult nsMsgFolderCache::InitExistingDB()
{
nsresult err = InitMDBInfo();
if (NS_FAILED(err))
return err;
err = GetStore()->GetTable(GetEnv(), &m_allFoldersTableOID, &m_mdbAllFoldersTable);
if (NS_SUCCEEDED(err) && m_mdbAllFoldersTable)
{
nsIMdbTableRowCursor* rowCursor = nsnull;
err = m_mdbAllFoldersTable->GetTableRowCursor(GetEnv(), -1, &rowCursor);
if (NS_SUCCEEDED(err) && rowCursor)
{
// iterate over the table rows and create nsMsgFolderCacheElements for each.
while (PR_TRUE)
{
nsresult rv;
nsIMdbRow* hdrRow;
mdb_pos rowPos;
rv = rowCursor->NextRow(GetEnv(), &hdrRow, &rowPos);
if (NS_FAILED(rv) || !hdrRow)
break;
rv = AddCacheElement(EmptyCString(), hdrRow, nsnull);
hdrRow->Release();
if (NS_FAILED(rv))
return rv;
}
rowCursor->Release();
}
}
else
err = NS_ERROR_FAILURE;
return err;
}
void CBOINCBaseView::OnListRender(wxTimerEvent& event) {
if (!m_bProcessingListRenderEvent) {
m_bProcessingListRenderEvent = true;
wxASSERT(m_pListPane);
// Remember the key values of currently selected items
SaveSelections();
int iDocCount = GetDocCount();
int iCacheCount = GetCacheCount();
if (iDocCount != iCacheCount) {
if (0 >= iDocCount) {
EmptyCache();
m_pListPane->DeleteAllItems();
} else {
int iIndex = 0;
int iReturnValue = -1;
if (iDocCount > iCacheCount) {
for (iIndex = 0; iIndex < (iDocCount - iCacheCount); iIndex++) {
iReturnValue = AddCacheElement();
wxASSERT(!iReturnValue);
}
wxASSERT(GetDocCount() == GetCacheCount());
m_pListPane->SetItemCount(iDocCount);
m_bNeedSort = true;
} else {
// The virtual ListCtrl keeps a separate its list of selected rows;
// make sure it does not reference any rows beyond the new last row.
// We can ClearSelections() because we called SaveSelections() above.
ClearSelections();
m_pListPane->SetItemCount(iDocCount);
for (iIndex = (iCacheCount - 1); iIndex >= iDocCount; --iIndex) {
iReturnValue = RemoveCacheElement();
wxASSERT(!iReturnValue);
}
wxASSERT(GetDocCount() == GetCacheCount());
m_pListPane->RefreshItems(0, iDocCount - 1);
m_bNeedSort = true;
}
}
}
if (iDocCount > 0) {
SynchronizeCache();
if (iDocCount > 1) {
if (_EnsureLastItemVisible() && (iDocCount != iCacheCount)) {
m_pListPane->EnsureVisible(iDocCount - 1);
}
}
if (m_pListPane->m_bIsSingleSelection) {
// If no item has been selected yet, select the first item.
#ifdef __WXMSW__
if ((m_pListPane->GetSelectedItemCount() == 0) &&
(m_pListPane->GetItemCount() >= 1)) {
long desiredstate = wxLIST_STATE_FOCUSED | wxLIST_STATE_SELECTED;
m_pListPane->SetItemState(0, desiredstate, desiredstate);
}
#else
if ((m_pListPane->GetFirstSelected() < 0) &&
(m_pListPane->GetItemCount() >= 1)) {
m_pListPane->SetItemState(0, wxLIST_STATE_FOCUSED | wxLIST_STATE_SELECTED,
wxLIST_STATE_FOCUSED | wxLIST_STATE_SELECTED);
}
#endif
}
}
// Find the previously selected items by their key values and reselect them
RestoreSelections();
UpdateSelection();
m_bProcessingListRenderEvent = false;
}
event.Skip();
}
void CBOINCBaseView::OnListRender(wxTimerEvent& event) {
if (!m_bProcessingListRenderEvent) {
m_bProcessingListRenderEvent = true;
wxASSERT(m_pListPane);
// Remember the key values of currently selected items
SaveSelections();
int iDocCount = GetDocCount();
int iCacheCount = GetCacheCount();
if (iDocCount != iCacheCount) {
if (0 >= iDocCount) {
EmptyCache();
m_pListPane->DeleteAllItems();
} else {
int iIndex = 0;
int iReturnValue = -1;
if (iDocCount > iCacheCount) {
for (iIndex = 0; iIndex < (iDocCount - iCacheCount); iIndex++) {
iReturnValue = AddCacheElement();
wxASSERT(!iReturnValue);
}
wxASSERT(GetDocCount() == GetCacheCount());
m_pListPane->SetItemCount(iDocCount);
m_bNeedSort = true;
} else {
// The virtual ListCtrl keeps a separate its list of selected rows;
// make sure it does not reference any rows beyond the new last row.
// We can ClearSelections() because we called SaveSelections() above.
ClearSelections();
m_pListPane->SetItemCount(iDocCount);
for (iIndex = (iCacheCount - 1); iIndex >= iDocCount; --iIndex) {
iReturnValue = RemoveCacheElement();
wxASSERT(!iReturnValue);
}
wxASSERT(GetDocCount() == GetCacheCount());
//fprintf(stderr, "CBOINCBaseView::OnListRender(): m_pListPane->RefreshItems(0, %d)\n", iDocCount - 1);
m_pListPane->RefreshItems(0, iDocCount - 1);
#ifdef __WXGTK__
// Work around an apparent bug in wxWidgets 3.0
// which drew blank lines at the top and failed
// to draw the bottom items. This could happen
// if the list was scrolled near the bottom and
// the user selected "Show active tasks."
m_pListPane->EnsureVisible(iDocCount - 1);
#endif
m_bNeedSort = true;
}
}
}
if (iDocCount > 0) {
SynchronizeCache();
if (iDocCount > 1) {
if (_EnsureLastItemVisible() && (iDocCount != iCacheCount)) {
m_pListPane->EnsureVisible(iDocCount - 1);
}
}
}
// Find the previously selected items by their key values and reselect them
RestoreSelections();
UpdateSelection();
m_bProcessingListRenderEvent = false;
}
event.Skip();
}
void CBOINCBaseView::OnListRender(wxTimerEvent& event) {
if (!m_bProcessingListRenderEvent) {
m_bProcessingListRenderEvent = true;
wxASSERT(m_pListPane);
// Remember the key values of currently selected items
SaveSelections();
int iDocCount = GetDocCount();
int iCacheCount = GetCacheCount();
if (iDocCount != iCacheCount) {
if (0 >= iDocCount) {
EmptyCache();
m_pListPane->DeleteAllItems();
} else {
int iIndex = 0;
int iReturnValue = -1;
if (iDocCount > iCacheCount) {
for (iIndex = 0; iIndex < (iDocCount - iCacheCount); iIndex++) {
iReturnValue = AddCacheElement();
wxASSERT(!iReturnValue);
}
wxASSERT(GetDocCount() == GetCacheCount());
m_pListPane->SetItemCount(iDocCount);
m_bNeedSort = true;
} else {
// The virtual ListCtrl keeps a separate its list of selected rows;
// make sure it does not reference any rows beyond the new last row.
// We can ClearSelections() because we called SaveSelections() above.
ClearSelections();
m_pListPane->SetItemCount(iDocCount);
for (iIndex = (iCacheCount - 1); iIndex >= iDocCount; --iIndex) {
iReturnValue = RemoveCacheElement();
wxASSERT(!iReturnValue);
}
wxASSERT(GetDocCount() == GetCacheCount());
//fprintf(stderr, "CBOINCBaseView::OnListRender(): m_pListPane->RefreshItems(0, %d)\n", iDocCount - 1);
m_pListPane->RefreshItems(0, iDocCount - 1);
m_bNeedSort = true;
}
}
}
if (iDocCount > 0) {
SynchronizeCache();
if (iDocCount > 1) {
if (_EnsureLastItemVisible() && (iDocCount != iCacheCount)) {
m_pListPane->EnsureVisible(iDocCount - 1);
}
}
}
// Find the previously selected items by their key values and reselect them
RestoreSelections();
UpdateSelection();
m_bProcessingListRenderEvent = false;
}
event.Skip();
}
