| 181 | } |
| 182 | |
| 183 | CallbackType* GetNext() { |
| 184 | while ((list_iter_ != list_->callbacks_.end()) && list_iter_->is_null()) |
| 185 | ++list_iter_; |
| 186 | |
| 187 | CallbackType* cb = NULL; |
| 188 | if (list_iter_ != list_->callbacks_.end()) { |
| 189 | cb = &(*list_iter_); |
| 190 | ++list_iter_; |
| 191 | } |
| 192 | return cb; |
| 193 | } |
| 194 | |
| 195 | private: |
| 196 | CallbackListBase<CallbackType>* list_; |