forked from mirrors/gecko-dev
140 lines
3.9 KiB
C++
140 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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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* Author:
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* Conrad Carlen <ccarlen@netscape.com>
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*/
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#include "nsWebBrowserFind.h"
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#include "nsCOMPtr.h"
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#include "nsIComponentManager.h"
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#include "nsITextServicesDocument.h"
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#include "nsTextServicesCID.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIDOMWindow.h"
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#include "nsIDocShell.h"
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#include "nsIPresShell.h"
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#include "nsIDocument.h"
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#include "nsIDOMDocument.h"
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static NS_DEFINE_CID(kCTextServicesDocumentCID, NS_TEXTSERVICESDOCUMENT_CID);
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//*****************************************************************************
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// nsWebBrowserFindImpl
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//*****************************************************************************
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nsWebBrowserFindImpl::nsWebBrowserFindImpl() :
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mFindBackwards(PR_FALSE), mWrapFind(PR_FALSE),
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mEntireWord(PR_FALSE), mMatchCase(PR_FALSE)
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{
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}
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nsWebBrowserFindImpl::~nsWebBrowserFindImpl()
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{
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}
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nsresult nsWebBrowserFindImpl::Init()
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{
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nsresult rv;
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mTSFind = do_CreateInstance(NS_FINDANDREPLACE_CONTRACTID, &rv);
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return rv;
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}
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nsresult nsWebBrowserFindImpl::SetSearchString(const PRUnichar* aString)
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{
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mSearchString = aString;
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return NS_OK;
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}
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nsresult nsWebBrowserFindImpl::GetSearchString(PRUnichar** aString)
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{
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NS_ENSURE_ARG_POINTER(aString);
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*aString = mSearchString.ToNewUnicode();
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return *aString ? NS_OK : NS_ERROR_FAILURE;
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}
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nsresult nsWebBrowserFindImpl::DoFind(nsIDOMWindow* aWindow, PRBool* aDidFind)
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{
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NS_ENSURE_TRUE(mTSFind, NS_ERROR_NOT_INITIALIZED);
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nsresult rv;
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nsCOMPtr<nsITextServicesDocument> txtDoc;
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rv = MakeTSDocument(aWindow, getter_AddRefs(txtDoc));
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if (NS_FAILED(rv) || !txtDoc)
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return rv;
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(void) mTSFind->SetCaseSensitive(mMatchCase);
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(void) mTSFind->SetFindBackwards(mFindBackwards);
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(void) mTSFind->SetWrapFind(mWrapFind);
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(void) mTSFind->SetEntireWord(mEntireWord);
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rv = mTSFind->SetTsDoc(txtDoc);
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if (NS_FAILED(rv))
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return rv;
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rv = mTSFind->Find(mSearchString.GetUnicode(), aDidFind);
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mTSFind->SetTsDoc(nsnull);
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return rv;
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}
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nsresult nsWebBrowserFindImpl::MakeTSDocument(nsIDOMWindow* aWindow, nsITextServicesDocument** aDoc)
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{
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NS_ENSURE_ARG(aWindow);
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NS_ENSURE_ARG_POINTER(aDoc);
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nsresult rv;
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*aDoc = NULL;
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nsCOMPtr<nsITextServicesDocument> tempDoc(do_CreateInstance(kCTextServicesDocumentCID, &rv));
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if (NS_FAILED(rv) || !tempDoc)
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return rv;
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nsCOMPtr<nsIScriptGlobalObject> globalObj = do_QueryInterface(aWindow, &rv);
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if (NS_FAILED(rv) || !globalObj)
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return NS_ERROR_FAILURE;
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nsCOMPtr<nsIDocShell> docShell;
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globalObj->GetDocShell(getter_AddRefs(docShell));
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if (!docShell)
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return NS_ERROR_FAILURE;
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nsCOMPtr<nsIPresShell> presShell;
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docShell->GetPresShell(getter_AddRefs(presShell));
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if (!presShell)
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return NS_ERROR_FAILURE;
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nsCOMPtr<nsIDOMDocument> domDoc;
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rv = aWindow->GetDocument(getter_AddRefs(domDoc));
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if (!domDoc)
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return NS_ERROR_FAILURE;
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rv = tempDoc->InitWithDocument(domDoc, presShell);
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if (NS_FAILED(rv))
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return rv;
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// Return the resulting text services document.
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*aDoc = tempDoc;
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NS_IF_ADDREF(*aDoc);
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return rv;
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}
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