112 lines
3.9 KiB
C++
112 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Mozilla browser.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications, Inc. Portions created by Netscape are
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* Copyright (C) 1999, Mozilla. All Rights Reserved.
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*
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* Contributor(s):
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* Conrad Carlen <conrad@ingress.com>
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* Based on nsFindComponent.cpp by Pierre Phaneuf <pp@ludusdesign.com>
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*
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*/
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#ifndef __CFindComponent__
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#define __CFindComponent__
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#include "nsISupports.h"
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#include "nsString.h"
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#include "nsComPtr.h"
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// Forward Declarations
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class nsIDocShell;
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class nsITextServicesDocument;
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class nsIWordBreaker;
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/*
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* CFindComponent is a class which, given a docshell and search params,
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* does basic text searching. It will eventually be upgraded to a real
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* component - for now it's just a class.
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*/
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class CFindComponent
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{
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public:
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enum CFHighlightStyle {
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eStdSelect
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};
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CFindComponent();
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virtual ~CFindComponent();
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// Must be called initially!
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// Call this whenever the docshell content changes
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// Passing NULL is OK - clears current state
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NS_IMETHOD SetContext(nsIDocShell* aDocShell);
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// Initiates a find in the current context
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NS_IMETHOD Find(const nsString& searchStr,
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PRBool caseSensitive,
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PRBool searchBackward,
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PRBool wrapSearch,
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PRBool wholeWordOnly,
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PRBool& didFind);
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// Returns whether we can do FindNext
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NS_IMETHOD CanFindNext(PRBool& canDo);
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// Returns the params to the last find
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// If there was none, searchStr is empty and others are default
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NS_IMETHOD GetLastSearchString(nsString& searchString);
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NS_IMETHOD GetLastCaseSensitive(PRBool& caseSensitive);
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NS_IMETHOD GetLastSearchBackwards(PRBool& searchBackward);
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NS_IMETHOD GetLastWrapSearch(PRBool& wrapSearch);
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NS_IMETHOD GetLastEntireWord(PRBool& entireWord);
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// Finds the next using the params last given to Find
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NS_IMETHOD FindNext(PRBool& didFind);
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// Finds all occurrances from the top to bottom
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NS_IMETHOD FindAll(const nsString& searchStr,
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PRBool caseSensitive,
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PRInt32& numFound);
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// How we highlight found text
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// The default is to select it
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NS_IMETHOD SetFindStyle(CFHighlightStyle style);
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protected:
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nsString mLastSearchString;
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PRBool mLastCaseSensitive, mLastSearchBackwards, mLastWrapSearch, mLastEntireWord;
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nsIDocShell *mDocShell;
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nsCOMPtr<nsITextServicesDocument> mTextDoc;
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nsCOMPtr<nsIWordBreaker> mWordBreaker;
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protected:
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NS_IMETHOD CreateTSDocument(nsIDocShell* aWebShell, nsITextServicesDocument** aDoc);
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NS_IMETHOD GetCurrentBlockIndex(nsITextServicesDocument *aDoc, PRInt32 *outBlockIndex);
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NS_IMETHOD SetupDocForSearch(nsITextServicesDocument *aDoc, PRBool searchBackwards, PRInt32 *outBlockOffset);
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static PRInt32 FindInString(const nsString &searchStr, const nsString &patternStr,
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PRInt32 startOffset, PRBool searchBackwards,
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nsIWordBreaker* wordBreaker);
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};
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#endif // __CFindComponent__
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