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/* -*- Mode: C++; tab-width: 8; 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 nsFind_h__
#define nsFind_h__
#include "nsIFind.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIDOMNode.h"
#include "nsIDOMRange.h"
#include "nsIContentIterator.h"
#include "nsIWordBreaker.h"
class nsIContent;
#define NS_FIND_CONTRACTID "@mozilla.org/embedcomp/rangefind;1"
#define NS_FIND_CID \
{0x471f4944, 0x1dd2, 0x11b2, {0x87, 0xac, 0x90, 0xbe, 0x0a, 0x51, 0xd6, 0x09}}
class nsFindContentIterator;
class nsFind : public nsIFind
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_NSIFIND
NS_DECL_CYCLE_COLLECTION_CLASS(nsFind)
nsFind();
protected:
virtual ~nsFind();
// Parameters set from the interface:
//nsCOMPtr<nsIDOMRange> mRange; // search only in this range
bool mFindBackward;
bool mCaseSensitive;
// Use "find entire words" mode by setting to a word breaker or null, to
// disable "entire words" mode.
nsCOMPtr<nsIWordBreaker> mWordBreaker;
int32_t mIterOffset;
nsCOMPtr<nsIDOMNode> mIterNode;
// Last block parent, so that we will notice crossing block boundaries:
nsCOMPtr<nsIDOMNode> mLastBlockParent;
nsresult GetBlockParent(nsIDOMNode* aNode, nsIDOMNode** aParent);
// Utility routines:
bool IsTextNode(nsIDOMNode* aNode);
bool IsBlockNode(nsIContent* aNode);
bool SkipNode(nsIContent* aNode);
bool IsVisibleNode(nsIDOMNode* aNode);
// Move in the right direction for our search:
nsresult NextNode(nsIDOMRange* aSearchRange,
nsIDOMRange* aStartPoint, nsIDOMRange* aEndPoint,
bool aContinueOk);
// Get the first character from the next node (last if mFindBackward).
char16_t PeekNextChar(nsIDOMRange* aSearchRange,
nsIDOMRange* aStartPoint,
nsIDOMRange* aEndPoint);
// Reset variables before returning -- don't hold any references.
void ResetAll();
// The iterator we use to move through the document:
nsresult InitIterator(nsIDOMNode* aStartNode, int32_t aStartOffset,
nsIDOMNode* aEndNode, int32_t aEndOffset);
RefPtr<nsFindContentIterator> mIterator;
friend class PeekNextCharRestoreState;
};
#endif // nsFind_h__
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