The Tor Browser: embedding/components/find/src/nsFind.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef nsFind_h__

     7 #define nsFind_h__

     9 #include "nsIFind.h"

    11 #include "nsAutoPtr.h"

    12 #include "nsCOMPtr.h"

    13 #include "nsCycleCollectionParticipant.h"

    14 #include "nsIDOMNode.h"

    15 #include "nsIDOMRange.h"

    16 #include "nsIContentIterator.h"

    17 #include "nsIWordBreaker.h"

    19 class nsIAtom;

    20 class nsIContent;

    22 #define NS_FIND_CONTRACTID "@mozilla.org/embedcomp/rangefind;1"

    24 #define NS_FIND_CID \

    25  {0x471f4944, 0x1dd2, 0x11b2, {0x87, 0xac, 0x90, 0xbe, 0x0a, 0x51, 0xd6, 0x09}}

    27 class nsFindContentIterator;

    29 class nsFind : public nsIFind

    30 {

    31 public:

    32   NS_DECL_CYCLE_COLLECTING_ISUPPORTS

    33   NS_DECL_NSIFIND

    34   NS_DECL_CYCLE_COLLECTION_CLASS(nsFind)

    36   nsFind();

    37   virtual ~nsFind();

    39   static already_AddRefed<nsIDOMRange> CreateRange(nsINode* aNode);

    41 protected:

    42   // Parameters set from the interface:

    43   //nsCOMPtr<nsIDOMRange> mRange;   // search only in this range

    44   bool mFindBackward;

    45   bool mCaseSensitive;

    47   nsCOMPtr<nsIWordBreaker> mWordBreaker;

    49   int32_t mIterOffset;

    50   nsCOMPtr<nsIDOMNode> mIterNode;

    52   // Last block parent, so that we will notice crossing block boundaries:

    53   nsCOMPtr<nsIDOMNode> mLastBlockParent;

    54   nsresult GetBlockParent(nsIDOMNode* aNode, nsIDOMNode** aParent);

    56   // Utility routines:

    57   bool IsTextNode(nsIDOMNode* aNode);

    58   bool IsBlockNode(nsIContent* aNode);

    59   bool SkipNode(nsIContent* aNode);

    60   bool IsVisibleNode(nsIDOMNode *aNode);

    62   // Move in the right direction for our search:

    63   nsresult NextNode(nsIDOMRange* aSearchRange,

    64                     nsIDOMRange* aStartPoint, nsIDOMRange* aEndPoint,

    65                     bool aContinueOk);

    67   // Reset variables before returning -- don't hold any references.

    68   void ResetAll();

    70   // The iterator we use to move through the document:

    71   nsresult InitIterator(nsIDOMNode* aStartNode, int32_t aStartOffset,

    72                         nsIDOMNode* aEndNode, int32_t aEndOffset);

    73   nsRefPtr<nsFindContentIterator> mIterator;

    74 };

    76 #endif // nsFind_h__

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