void TextService::addButton(LangBarButton* button) {
if(button) {
langBarButtons_.push_back(button);
button->AddRef();
if(isActivated()) {
ITfLangBarItemMgr* langBarItemMgr;
if(threadMgr_->QueryInterface(IID_ITfLangBarItemMgr, (void**)&langBarItemMgr) == S_OK) {
langBarItemMgr->AddItem(button);
langBarItemMgr->Release();
}
}
}
}
void TextService::removeButton(LangBarButton* button) {
if(button) {
vector<LangBarButton*>::iterator it;
it = find(langBarButtons_.begin(), langBarButtons_.end(), button);
if(it != langBarButtons_.end()) {
if(isActivated()) {
ITfLangBarItemMgr* langBarItemMgr;
if(threadMgr_->QueryInterface(IID_ITfLangBarItemMgr, (void**)&langBarItemMgr) == S_OK) {
langBarItemMgr->RemoveItem(button);
langBarItemMgr->Release();
}
}
button->Release();
langBarButtons_.erase(it);
}
}
}
HRESULT CLangBarItemButton::_RemoveItem(_In_ ITfThreadMgr *pThreadMgr)
{
HRESULT hr = S_OK;
ITfLangBarItemMgr* pLangBarItemMgr = nullptr;
if (!_isAddedToLanguageBar || pThreadMgr == nullptr)
{
return S_OK;
}
hr = pThreadMgr->QueryInterface(IID_ITfLangBarItemMgr, (void **)&pLangBarItemMgr);
if (SUCCEEDED(hr) && pLangBarItemMgr)
{
hr = pLangBarItemMgr->RemoveItem(this);
if (SUCCEEDED(hr))
{
_isAddedToLanguageBar = FALSE;
}
pLangBarItemMgr->Release();
}
return hr;
}