class FrameTree {
WTF_MAKE_NONCOPYABLE(FrameTree);
public:
- const static unsigned invalidCount = static_cast<unsigned>(-1);
-
- FrameTree(Frame* thisFrame, Frame* parentFrame)
- : m_thisFrame(thisFrame)
- , m_parent(parentFrame)
- , m_previousSibling(0)
- , m_lastChild(0)
- , m_scopedChildCount(invalidCount)
- {
- }
-
+ explicit FrameTree(Frame* thisFrame);
~FrameTree();
const AtomicString& name() const { return m_name; }
const AtomicString& uniqueName() const { return m_uniqueName; }
void setName(const AtomicString&);
- Frame* parent() const;
- void setParent(Frame* parent) { m_parent = parent; }
- Frame* nextSibling() const { return m_nextSibling.get(); }
- Frame* previousSibling() const { return m_previousSibling; }
- Frame* firstChild() const { return m_firstChild.get(); }
- Frame* lastChild() const { return m_lastChild; }
+ Frame* parent() const;
+ Frame* top() const;
+ Frame* previousSibling() const;
+ Frame* nextSibling() const;
+ Frame* firstChild() const;
+ Frame* lastChild() const;
bool isDescendantOf(const Frame* ancestor) const;
+ Frame* traversePreviousWithWrap(bool) const;
Frame* traverseNext(const Frame* stayWithin = 0) const;
Frame* traverseNextWithWrap(bool) const;
- Frame* traversePreviousWithWrap(bool) const;
-
- void appendChild(PassRefPtr<Frame>);
- void detachFromParent() { m_parent = 0; }
- void removeChild(Frame*);
Frame* child(const AtomicString& name) const;
Frame* find(const AtomicString& name) const;
unsigned childCount() const;
- Frame* top() const;
-
Frame* scopedChild(unsigned index) const;
Frame* scopedChild(const AtomicString& name) const;
unsigned scopedChildCount() const;
+ void invalidateScopedChildCount();
private:
Frame* deepLastChild() const;
Frame* m_thisFrame;
- Frame* m_parent;
AtomicString m_name; // The actual frame name (may be empty).
AtomicString m_uniqueName;
- // FIXME: use ListRefPtr?
- RefPtr<Frame> m_nextSibling;
- Frame* m_previousSibling;
- RefPtr<Frame> m_firstChild;
- Frame* m_lastChild;
mutable unsigned m_scopedChildCount;
};