Bug 46869 - Embedding apps need text finding functionaity. Adding new files - will add to build next.

r=kin,sr=vidur, sr=alecf git-svn-id: svn://10.0.0.236/trunk@86427 18797224-902f-48f8-a5cc-f745e15eee43
2001-02-07 01:48:24 +00:00
parent 4b397de9c2
commit c6ac4deda5
3 changed files with 276 additions and 0 deletions
--- a/mozilla/embedding/browser/webBrowser/nsWebBrowserFind.cpp
+++ b/mozilla/embedding/browser/webBrowser/nsWebBrowserFind.cpp
@@ -0,0 +1,140 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is the Mozilla browser.
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications, Inc.  Portions created by Netscape are
+ * Copyright (C) 1999, Mozilla.  All Rights Reserved.
+ * 
+ * Author:
+ *   Conrad Carlen <ccarlen@netscape.com>
+ */
+
+#include "nsWebBrowserFind.h"
+
+#include "nsCOMPtr.h"
+#include "nsIComponentManager.h"
+#include "nsITextServicesDocument.h"
+#include "nsTextServicesCID.h"
+#include "nsIScriptGlobalObject.h"
+#include "nsIDOMWindow.h"
+#include "nsIDocShell.h"
+#include "nsIPresShell.h"
+#include "nsIDocument.h"
+#include "nsIDOMDocument.h"
+
+
+static NS_DEFINE_CID(kCTextServicesDocumentCID, NS_TEXTSERVICESDOCUMENT_CID);
+
+//*****************************************************************************
+// nsWebBrowserFindImpl
+//*****************************************************************************   
+
+
+nsWebBrowserFindImpl::nsWebBrowserFindImpl() :
+    mFindBackwards(PR_FALSE), mWrapFind(PR_FALSE),
+    mEntireWord(PR_FALSE), mMatchCase(PR_FALSE)
+{
+}
+
+nsWebBrowserFindImpl::~nsWebBrowserFindImpl()
+{
+}
+
+nsresult nsWebBrowserFindImpl::Init()
+{
+    nsresult rv;
+    mTSFind = do_CreateInstance(NS_FINDANDREPLACE_CONTRACTID, &rv);
+    return rv;
+}
+
+nsresult nsWebBrowserFindImpl::SetSearchString(const PRUnichar* aString)
+{
+    mSearchString = aString;
+    return NS_OK;
+}
+
+nsresult nsWebBrowserFindImpl::GetSearchString(PRUnichar** aString)
+{
+    NS_ENSURE_ARG_POINTER(aString);
+    *aString = mSearchString.ToNewUnicode();
+    return *aString ? NS_OK : NS_ERROR_FAILURE;
+}
+
+nsresult nsWebBrowserFindImpl::DoFind(nsIDOMWindow* aWindow, PRBool* aDidFind)
+{
+    NS_ENSURE_TRUE(mTSFind, NS_ERROR_NOT_INITIALIZED);
+
+    nsresult rv;
+    nsCOMPtr<nsITextServicesDocument> txtDoc;
+    rv = MakeTSDocument(aWindow, getter_AddRefs(txtDoc));
+    if (NS_FAILED(rv) || !txtDoc)
+        return rv;
+    
+    (void) mTSFind->SetCaseSensitive(mMatchCase);
+    (void) mTSFind->SetFindBackwards(mFindBackwards);
+    (void) mTSFind->SetWrapFind(mWrapFind);
+    (void) mTSFind->SetEntireWord(mEntireWord);
+
+    rv = mTSFind->SetTsDoc(txtDoc);
+    if (NS_FAILED(rv))
+        return rv;
+
+    rv =  mTSFind->Find(mSearchString.GetUnicode(), aDidFind);
+
+    mTSFind->SetTsDoc(nsnull);
+
+    return rv;
+}
+
+nsresult nsWebBrowserFindImpl::MakeTSDocument(nsIDOMWindow* aWindow, nsITextServicesDocument** aDoc)
+{
+    NS_ENSURE_ARG(aWindow);
+    NS_ENSURE_ARG_POINTER(aDoc);
+
+    nsresult rv;
+    *aDoc = NULL;
+
+    nsCOMPtr<nsITextServicesDocument>  tempDoc(do_CreateInstance(kCTextServicesDocumentCID, &rv));
+    if (NS_FAILED(rv) || !tempDoc)
+        return rv;
+
+    nsCOMPtr<nsIScriptGlobalObject> globalObj = do_QueryInterface(aWindow, &rv);
+    if (NS_FAILED(rv) || !globalObj)
+        return NS_ERROR_FAILURE;
+
+    nsCOMPtr<nsIDocShell> docShell;
+    globalObj->GetDocShell(getter_AddRefs(docShell));
+    if (!docShell)
+        return NS_ERROR_FAILURE;
+	
+    nsCOMPtr<nsIPresShell> presShell;
+    docShell->GetPresShell(getter_AddRefs(presShell));
+    if (!presShell)
+        return NS_ERROR_FAILURE;
+
+    nsCOMPtr<nsIDOMDocument> domDoc;    
+    rv = aWindow->GetDocument(getter_AddRefs(domDoc));
+    if (!domDoc)
+        return NS_ERROR_FAILURE;
+
+    rv = tempDoc->InitWithDocument(domDoc, presShell);
+    if (NS_FAILED(rv))
+        return rv;
+
+    // Return the resulting text services document.
+    *aDoc = tempDoc;
+    NS_IF_ADDREF(*aDoc);
+  
+    return rv;
+}