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37 :
38 : #ifndef TypeInState_h__
39 : #define TypeInState_h__
40 :
41 : #include "nsCOMPtr.h"
42 : #include "nsIDOMNode.h"
43 : #include "nsISelection.h"
44 : #include "nsISelectionListener.h"
45 : #include "nsEditProperty.h"
46 : #include "nsString.h"
47 : #include "nsTArray.h"
48 : #include "nsCycleCollectionParticipant.h"
49 :
50 : struct PropItem
51 0 : {
52 : nsIAtom *tag;
53 : nsString attr;
54 : nsString value;
55 :
56 : PropItem();
57 : PropItem(nsIAtom *aTag, const nsAString &aAttr, const nsAString &aValue);
58 : ~PropItem();
59 : };
60 :
61 : class TypeInState : public nsISelectionListener
62 : {
63 : public:
64 :
65 0 : NS_DECL_CYCLE_COLLECTING_ISUPPORTS
66 1464 : NS_DECL_CYCLE_COLLECTION_CLASS(TypeInState)
67 :
68 : TypeInState();
69 : void Reset();
70 : virtual ~TypeInState();
71 :
72 : nsresult UpdateSelState(nsISelection *aSelection);
73 :
74 : // nsISelectionListener
75 : NS_DECL_NSISELECTIONLISTENER
76 :
77 : nsresult SetProp(nsIAtom *aProp, const nsString &aAttr, const nsString &aValue);
78 :
79 : nsresult ClearAllProps();
80 : nsresult ClearProp(nsIAtom *aProp, const nsString &aAttr);
81 :
82 : //**************************************************************************
83 : // TakeClearProperty: hands back next property item on the clear list.
84 : // caller assumes ownership of PropItem and must delete it.
85 : nsresult TakeClearProperty(PropItem **outPropItem);
86 :
87 : //**************************************************************************
88 : // TakeSetProperty: hands back next property item on the set list.
89 : // caller assumes ownership of PropItem and must delete it.
90 : nsresult TakeSetProperty(PropItem **outPropItem);
91 :
92 : //**************************************************************************
93 : // TakeRelativeFontSize: hands back relative font value, which is then
94 : // cleared out.
95 : nsresult TakeRelativeFontSize(PRInt32 *outRelSize);
96 :
97 : nsresult GetTypingState(bool &isSet, bool &theSetting, nsIAtom *aProp);
98 : nsresult GetTypingState(bool &isSet, bool &theSetting, nsIAtom *aProp,
99 : const nsString &aAttr, nsString* outValue);
100 :
101 : static bool FindPropInList(nsIAtom *aProp, const nsAString &aAttr, nsAString *outValue, nsTArray<PropItem*> &aList, PRInt32 &outIndex);
102 :
103 : protected:
104 :
105 : nsresult RemovePropFromSetList(nsIAtom *aProp, const nsString &aAttr);
106 : nsresult RemovePropFromClearedList(nsIAtom *aProp, const nsString &aAttr);
107 : bool IsPropSet(nsIAtom *aProp, const nsString &aAttr, nsString* outValue);
108 : bool IsPropSet(nsIAtom *aProp, const nsString &aAttr, nsString* outValue, PRInt32 &outIndex);
109 : bool IsPropCleared(nsIAtom *aProp, const nsString &aAttr);
110 : bool IsPropCleared(nsIAtom *aProp, const nsString &aAttr, PRInt32 &outIndex);
111 :
112 : nsTArray<PropItem*> mSetArray;
113 : nsTArray<PropItem*> mClearedArray;
114 : PRInt32 mRelativeFontSize;
115 : nsCOMPtr<nsIDOMNode> mLastSelectionContainer;
116 : PRInt32 mLastSelectionOffset;
117 :
118 : friend class nsHTMLEditRules;
119 : };
120 :
121 :
122 :
123 : #endif // TypeInState_h__
124 :
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