michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsFind_h__
michael@0: #define nsFind_h__
michael@0: 
michael@0: #include "nsIFind.h"
michael@0: 
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsCycleCollectionParticipant.h"
michael@0: #include "nsIDOMNode.h"
michael@0: #include "nsIDOMRange.h"
michael@0: #include "nsIContentIterator.h"
michael@0: #include "nsIWordBreaker.h"
michael@0: 
michael@0: class nsIAtom;
michael@0: class nsIContent;
michael@0: 
michael@0: #define NS_FIND_CONTRACTID "@mozilla.org/embedcomp/rangefind;1"
michael@0: 
michael@0: #define NS_FIND_CID \
michael@0:  {0x471f4944, 0x1dd2, 0x11b2, {0x87, 0xac, 0x90, 0xbe, 0x0a, 0x51, 0xd6, 0x09}}
michael@0: 
michael@0: class nsFindContentIterator;
michael@0: 
michael@0: class nsFind : public nsIFind
michael@0: {
michael@0: public:
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_NSIFIND
michael@0:   NS_DECL_CYCLE_COLLECTION_CLASS(nsFind)
michael@0: 
michael@0:   nsFind();
michael@0:   virtual ~nsFind();
michael@0: 
michael@0:   static already_AddRefed<nsIDOMRange> CreateRange(nsINode* aNode);
michael@0: 
michael@0: protected:
michael@0:   // Parameters set from the interface:
michael@0:   //nsCOMPtr<nsIDOMRange> mRange;   // search only in this range
michael@0:   bool mFindBackward;
michael@0:   bool mCaseSensitive;
michael@0: 
michael@0:   nsCOMPtr<nsIWordBreaker> mWordBreaker;
michael@0: 
michael@0:   int32_t mIterOffset;
michael@0:   nsCOMPtr<nsIDOMNode> mIterNode;
michael@0: 
michael@0:   // Last block parent, so that we will notice crossing block boundaries:
michael@0:   nsCOMPtr<nsIDOMNode> mLastBlockParent;
michael@0:   nsresult GetBlockParent(nsIDOMNode* aNode, nsIDOMNode** aParent);
michael@0: 
michael@0:   // Utility routines:
michael@0:   bool IsTextNode(nsIDOMNode* aNode);
michael@0:   bool IsBlockNode(nsIContent* aNode);
michael@0:   bool SkipNode(nsIContent* aNode);
michael@0:   bool IsVisibleNode(nsIDOMNode *aNode);
michael@0: 
michael@0:   // Move in the right direction for our search:
michael@0:   nsresult NextNode(nsIDOMRange* aSearchRange,
michael@0:                     nsIDOMRange* aStartPoint, nsIDOMRange* aEndPoint,
michael@0:                     bool aContinueOk);
michael@0: 
michael@0:   // Reset variables before returning -- don't hold any references.
michael@0:   void ResetAll();
michael@0: 
michael@0:   // The iterator we use to move through the document:
michael@0:   nsresult InitIterator(nsIDOMNode* aStartNode, int32_t aStartOffset,
michael@0:                         nsIDOMNode* aEndNode, int32_t aEndOffset);
michael@0:   nsRefPtr<nsFindContentIterator> mIterator;
michael@0: };
michael@0: 
michael@0: #endif // nsFind_h__