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29 #ifndef FrameLoaderStateMachine_h
30 #define FrameLoaderStateMachine_h
32 #include "wtf/Noncopyable.h"
36 // Encapsulates a state machine for FrameLoader. Note that this is different from FrameState,
37 // which stores the state of the current load that FrameLoader is executing.
38 class FrameLoaderStateMachine {
39 WTF_MAKE_NONCOPYABLE(FrameLoaderStateMachine);
41 FrameLoaderStateMachine();
43 // Once a load has been committed, the state may
44 // alternate between CommittedFirstRealLoad and FirstLayoutDone.
45 // Otherwise, the states only go down the list.
47 CreatingInitialEmptyDocument,
48 DisplayingInitialEmptyDocument,
50 CommittedFirstRealLoad
53 bool startedFirstRealLoad() const;
54 bool committedFirstRealDocumentLoad() const;
55 bool creatingInitialEmptyDocument() const;
56 bool isDisplayingInitialEmptyDocument() const;
57 void advanceTo(State);
63 } // namespace WebCore
65 #endif // FrameLoaderStateMachine_h