76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/* -*- 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 nsFilteredContentIterator_h__
|
|
#define nsFilteredContentIterator_h__
|
|
|
|
#include "nsCOMPtr.h"
|
|
#include "nsCycleCollectionParticipant.h"
|
|
#include "nsIContentIterator.h"
|
|
#include "nsISupportsImpl.h"
|
|
#include "nscore.h"
|
|
|
|
class nsIAtom;
|
|
class nsIDOMNode;
|
|
class nsIDOMRange;
|
|
class nsINode;
|
|
class nsITextServicesFilter;
|
|
class nsRange;
|
|
|
|
class nsFilteredContentIterator final : public nsIContentIterator
|
|
{
|
|
public:
|
|
|
|
// nsISupports interface...
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
NS_DECL_CYCLE_COLLECTION_CLASS(nsFilteredContentIterator)
|
|
|
|
explicit nsFilteredContentIterator(nsITextServicesFilter* aFilter);
|
|
|
|
/* nsIContentIterator */
|
|
virtual nsresult Init(nsINode* aRoot) override;
|
|
virtual nsresult Init(nsIDOMRange* aRange) override;
|
|
virtual void First() override;
|
|
virtual void Last() override;
|
|
virtual void Next() override;
|
|
virtual void Prev() override;
|
|
virtual nsINode *GetCurrentNode() override;
|
|
virtual bool IsDone() override;
|
|
virtual nsresult PositionAt(nsINode* aCurNode) override;
|
|
|
|
/* Helpers */
|
|
bool DidSkip() { return mDidSkip; }
|
|
void ClearDidSkip() { mDidSkip = false; }
|
|
|
|
protected:
|
|
nsFilteredContentIterator() : mDidSkip(false), mIsOutOfRange(false) { }
|
|
|
|
virtual ~nsFilteredContentIterator();
|
|
|
|
// enum to give us the direction
|
|
typedef enum {eDirNotSet, eForward, eBackward} eDirectionType;
|
|
nsresult AdvanceNode(nsIDOMNode* aNode, nsIDOMNode*& aNewNode, eDirectionType aDir);
|
|
void CheckAdvNode(nsIDOMNode* aNode, bool& aDidSkip, eDirectionType aDir);
|
|
nsresult SwitchDirections(bool aChangeToForward);
|
|
|
|
nsCOMPtr<nsIContentIterator> mCurrentIterator;
|
|
nsCOMPtr<nsIContentIterator> mIterator;
|
|
nsCOMPtr<nsIContentIterator> mPreIterator;
|
|
|
|
nsCOMPtr<nsIAtom> mBlockQuoteAtom;
|
|
nsCOMPtr<nsIAtom> mScriptAtom;
|
|
nsCOMPtr<nsIAtom> mTextAreaAtom;
|
|
nsCOMPtr<nsIAtom> mSelectAreaAtom;
|
|
nsCOMPtr<nsIAtom> mMapAtom;
|
|
|
|
nsCOMPtr<nsITextServicesFilter> mFilter;
|
|
RefPtr<nsRange> mRange;
|
|
bool mDidSkip;
|
|
bool mIsOutOfRange;
|
|
eDirectionType mDirection;
|
|
};
|
|
|
|
#endif
|