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30 #ifndef FlowThreadController_h
31 #define FlowThreadController_h
33 #include "RenderView.h"
34 #include <wtf/ListHashSet.h>
35 #include <wtf/OwnPtr.h>
39 class RenderFlowThread;
40 class RenderNamedFlowThread;
42 typedef ListHashSet<RenderNamedFlowThread*> RenderNamedFlowThreadList;
44 class FlowThreadController {
46 static PassOwnPtr<FlowThreadController> create(RenderView*);
47 ~FlowThreadController();
49 RenderFlowThread* currentRenderFlowThread() const { return m_currentRenderFlowThread; }
50 void setCurrentRenderFlowThread(RenderFlowThread* flowThread) { m_currentRenderFlowThread = flowThread; }
52 bool isRenderNamedFlowThreadOrderDirty() const { return m_isRenderNamedFlowThreadOrderDirty; }
53 void setIsRenderNamedFlowThreadOrderDirty(bool dirty)
55 m_isRenderNamedFlowThreadOrderDirty = dirty;
57 m_view->setNeedsLayout(true);
60 RenderNamedFlowThread* ensureRenderFlowThreadWithName(const AtomicString&);
61 const RenderNamedFlowThreadList* renderNamedFlowThreadList() const { return m_renderNamedFlowThreadList.get(); }
62 bool hasRenderNamedFlowThreads() const { return m_renderNamedFlowThreadList && !m_renderNamedFlowThreadList->isEmpty(); }
63 void layoutRenderNamedFlowThreads();
65 void registerNamedFlowContentNode(Node*, RenderNamedFlowThread*);
66 void unregisterNamedFlowContentNode(Node*);
68 void removeFlowThread(RenderNamedFlowThread*);
71 FlowThreadController(RenderView*);
75 RenderFlowThread* m_currentRenderFlowThread;
76 bool m_isRenderNamedFlowThreadOrderDirty;
77 OwnPtr<RenderNamedFlowThreadList> m_renderNamedFlowThreadList;
78 // maps a content node to its render flow thread.
79 HashMap<Node*, RenderNamedFlowThread*> m_mapNamedFlowContentNodes;