113 lines
3.0 KiB
C++
113 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef TypeInState_h
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#define TypeInState_h
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#include "mozilla/UniquePtr.h"
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsISelectionListener.h"
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#include "nsISupportsImpl.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "nscore.h"
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// Workaround for windows headers
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#ifdef SetProp
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#undef SetProp
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#endif
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class nsIAtom;
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class nsIDOMNode;
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namespace mozilla {
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class HTMLEditRules;
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namespace dom {
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class Selection;
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} // namespace dom
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struct PropItem
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{
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nsIAtom* tag;
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nsString attr;
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nsString value;
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PropItem();
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PropItem(nsIAtom* aTag, const nsAString& aAttr, const nsAString& aValue);
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~PropItem();
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};
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class TypeInState final : public nsISelectionListener
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS(TypeInState)
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TypeInState();
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void Reset();
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nsresult UpdateSelState(dom::Selection* aSelection);
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// nsISelectionListener
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NS_DECL_NSISELECTIONLISTENER
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void SetProp(nsIAtom* aProp, const nsAString& aAttr, const nsAString& aValue);
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void ClearAllProps();
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void ClearProp(nsIAtom* aProp, const nsAString& aAttr);
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/**
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* TakeClearProperty() hands back next property item on the clear list.
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* Caller assumes ownership of PropItem and must delete it.
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*/
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UniquePtr<PropItem> TakeClearProperty();
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/**
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* TakeSetProperty() hands back next property item on the set list.
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* Caller assumes ownership of PropItem and must delete it.
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*/
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UniquePtr<PropItem> TakeSetProperty();
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/**
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* TakeRelativeFontSize() hands back relative font value, which is then
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* cleared out.
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*/
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int32_t TakeRelativeFontSize();
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void GetTypingState(bool& isSet, bool& theSetting, nsIAtom* aProp);
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void GetTypingState(bool& isSet, bool& theSetting, nsIAtom* aProp,
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const nsString& aAttr, nsString* outValue);
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static bool FindPropInList(nsIAtom* aProp, const nsAString& aAttr,
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nsAString* outValue, nsTArray<PropItem*>& aList,
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int32_t& outIndex);
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protected:
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virtual ~TypeInState();
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void RemovePropFromSetList(nsIAtom* aProp, const nsAString& aAttr);
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void RemovePropFromClearedList(nsIAtom* aProp, const nsAString& aAttr);
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bool IsPropSet(nsIAtom* aProp, const nsAString& aAttr, nsAString* outValue);
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bool IsPropSet(nsIAtom* aProp, const nsAString& aAttr, nsAString* outValue,
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int32_t& outIndex);
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bool IsPropCleared(nsIAtom* aProp, const nsAString& aAttr);
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bool IsPropCleared(nsIAtom* aProp, const nsAString& aAttr, int32_t& outIndex);
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nsTArray<PropItem*> mSetArray;
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nsTArray<PropItem*> mClearedArray;
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int32_t mRelativeFontSize;
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nsCOMPtr<nsIDOMNode> mLastSelectionContainer;
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int32_t mLastSelectionOffset;
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friend class HTMLEditRules;
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};
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} // namespace mozilla
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#endif // #ifndef TypeInState_h
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