| 61 | class Metrics; |
| 62 | |
| 63 | class ViewNode; |
| 64 | class ViewNodeIterator { |
| 65 | public: |
| 66 | ViewNodeIterator(const ViewNode* viewNode, size_t index); |
| 67 | |
| 68 | ViewNodeIterator& operator++(); |
| 69 | ViewNodeIterator& operator--(); |
| 70 | ViewNode* operator*() const; |
| 71 | |
| 72 | bool operator!=(const ViewNodeIterator& other) const; |
| 73 | |
| 74 | private: |
| 75 | const ViewNode* _viewNode; |
| 76 | size_t _index = 0; |
| 77 | }; |
| 78 | |
| 79 | struct LazyLayoutData { |