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