mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-09-19 19:50:18 +02:00
2897 lines
95 KiB
C++
2897 lines
95 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsICaret.h"
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#include "nsHTMLEditor.h"
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#include "nsHTMLEditRules.h"
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#include "nsTextEditUtils.h"
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#include "nsHTMLEditUtils.h"
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#include "nsWSRunObject.h"
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#include "nsEditorEventListeners.h"
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#include "nsIDOMText.h"
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#include "nsIDOMNodeList.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMAttr.h"
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#include "nsIDocument.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIDOMNSEvent.h"
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#include "nsIDOMKeyEvent.h"
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#include "nsIDOMKeyListener.h"
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#include "nsIDOMMouseListener.h"
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#include "nsIDOMMouseEvent.h"
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#include "nsISelection.h"
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#include "nsISelectionPrivate.h"
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#include "nsIDOMHTMLAnchorElement.h"
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#include "nsIDOMHTMLImageElement.h"
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#include "nsISelectionController.h"
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#include "nsIFileChannel.h"
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#include "nsIFrameSelection.h" // For TABLESELECTION_ defines
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#include "nsICSSLoader.h"
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#include "nsICSSStyleSheet.h"
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#include "nsIDocumentObserver.h"
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#include "nsIDocumentStateListener.h"
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#include "nsIEnumerator.h"
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#include "nsIContent.h"
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#include "nsIContentIterator.h"
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#include "nsIDOMRange.h"
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#include "nsIDOMNSRange.h"
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#include "nsISupportsArray.h"
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#include "nsCOMArray.h"
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#include "nsVoidArray.h"
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#include "nsIFile.h"
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#include "nsIURL.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsIDocumentEncoder.h"
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#include "nsIDOMDocumentFragment.h"
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#include "nsIPresShell.h"
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#include "nsPresContext.h"
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#include "nsIParser.h"
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#include "nsParserCIID.h"
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#include "nsIImage.h"
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#include "nsAOLCiter.h"
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#include "nsInternetCiter.h"
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#include "nsXPCOM.h"
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#include "nsISupportsPrimitives.h"
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#include "nsLinebreakConverter.h"
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#include "nsIFragmentContentSink.h"
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#include "nsIContentSink.h"
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// netwerk
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#include "nsIURI.h"
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#include "nsNetUtil.h"
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// Drag & Drop, Clipboard
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#include "nsIClipboard.h"
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#include "nsITransferable.h"
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#include "nsIDragService.h"
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#include "nsIDOMNSUIEvent.h"
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#include "nsIOutputStream.h"
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#include "nsIInputStream.h"
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#include "nsDirectoryServiceDefs.h"
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// for relativization
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#include "nsUnicharUtils.h"
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#include "nsIDOMDocumentTraversal.h"
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#include "nsIDOMTreeWalker.h"
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#include "nsIDOMNodeFilter.h"
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#include "nsIDOMNamedNodeMap.h"
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#include "nsIDOMHTMLLinkElement.h"
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#include "nsIDOMHTMLObjectElement.h"
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#include "nsIDOMHTMLFrameElement.h"
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#include "nsIDOMHTMLIFrameElement.h"
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#include "nsIDOMHTMLInputElement.h"
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#include "nsIDOMHTMLScriptElement.h"
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#include "nsIDOMHTMLEmbedElement.h"
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#include "nsIDOMHTMLTableCellElement.h"
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#include "nsIDOMHTMLTableRowElement.h"
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#include "nsIDOMHTMLTableElement.h"
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#include "nsIDOMHTMLBodyElement.h"
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// Misc
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#include "TextEditorTest.h"
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#include "nsEditorUtils.h"
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#include "nsIPrefBranch.h"
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#include "nsIPrefService.h"
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#include "nsIContentFilter.h"
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const PRUnichar nbsp = 160;
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static NS_DEFINE_CID(kCParserCID, NS_PARSER_CID);
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// private clipboard data flavors for html copy/paste
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#define kHTMLContext "text/_moz_htmlcontext"
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#define kHTMLInfo "text/_moz_htmlinfo"
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// some little helpers
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static PRInt32 FindPositiveIntegerAfterString(const char *aLeadingString, nsCString &aCStr);
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static nsresult RemoveFragComments(nsCString &theStr);
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static void RemoveBodyAndHead(nsIDOMNode *aNode);
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static nsCOMPtr<nsIDOMNode> GetListParent(nsIDOMNode* aNode)
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{
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if (!aNode) return nsnull;
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nsCOMPtr<nsIDOMNode> parent, tmp;
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aNode->GetParentNode(getter_AddRefs(parent));
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while (parent)
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{
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if (nsHTMLEditUtils::IsList(parent)) return parent;
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parent->GetParentNode(getter_AddRefs(tmp));
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parent = tmp;
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}
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return nsnull;
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}
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static nsCOMPtr<nsIDOMNode> GetTableParent(nsIDOMNode* aNode)
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{
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if (!aNode) return nsnull;
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nsCOMPtr<nsIDOMNode> parent, tmp;
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aNode->GetParentNode(getter_AddRefs(parent));
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while (parent)
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{
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if (nsHTMLEditUtils::IsTable(parent)) return parent;
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parent->GetParentNode(getter_AddRefs(tmp));
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parent = tmp;
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}
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return nsnull;
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}
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NS_IMETHODIMP nsHTMLEditor::LoadHTML(const nsAString & aInputString)
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{
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if (!mRules) return NS_ERROR_NOT_INITIALIZED;
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// force IME commit; set up rules sniffing and batching
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ForceCompositionEnd();
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nsAutoEditBatch beginBatching(this);
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nsAutoRules beginRulesSniffing(this, kOpLoadHTML, nsIEditor::eNext);
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// Get selection
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nsCOMPtr<nsISelection>selection;
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nsresult res = GetSelection(getter_AddRefs(selection));
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if (NS_FAILED(res)) return res;
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nsTextRulesInfo ruleInfo(nsTextEditRules::kLoadHTML);
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PRBool cancel, handled;
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res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
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if (NS_FAILED(res)) return res;
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if (cancel) return NS_OK; // rules canceled the operation
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if (!handled)
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{
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PRBool isCollapsed;
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res = selection->GetIsCollapsed(&isCollapsed);
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if (NS_FAILED(res)) return res;
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// Delete Selection, but only if it isn't collapsed, see bug #106269
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if (!isCollapsed)
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{
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res = DeleteSelection(eNone);
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if (NS_FAILED(res)) return res;
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}
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// Get the first range in the selection, for context:
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nsCOMPtr<nsIDOMRange> range;
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res = selection->GetRangeAt(0, getter_AddRefs(range));
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NS_ENSURE_SUCCESS(res, res);
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if (!range)
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return NS_ERROR_NULL_POINTER;
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nsCOMPtr<nsIDOMNSRange> nsrange (do_QueryInterface(range));
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if (!nsrange)
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return NS_ERROR_NO_INTERFACE;
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// create fragment for pasted html
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nsCOMPtr<nsIDOMDocumentFragment> docfrag;
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{
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res = nsrange->CreateContextualFragment(aInputString, getter_AddRefs(docfrag));
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NS_ENSURE_SUCCESS(res, res);
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}
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// put the fragment into the document
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nsCOMPtr<nsIDOMNode> parent, junk;
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res = range->GetStartContainer(getter_AddRefs(parent));
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NS_ENSURE_SUCCESS(res, res);
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if (!parent)
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return NS_ERROR_NULL_POINTER;
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PRInt32 childOffset;
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res = range->GetStartOffset(&childOffset);
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NS_ENSURE_SUCCESS(res, res);
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nsCOMPtr<nsIDOMNode> nodeToInsert;
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docfrag->GetFirstChild(getter_AddRefs(nodeToInsert));
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while (nodeToInsert)
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{
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res = InsertNode(nodeToInsert, parent, childOffset++);
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NS_ENSURE_SUCCESS(res, res);
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docfrag->GetFirstChild(getter_AddRefs(nodeToInsert));
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}
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}
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return mRules->DidDoAction(selection, &ruleInfo, res);
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}
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NS_IMETHODIMP nsHTMLEditor::InsertHTML(const nsAString & aInString)
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{
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const nsAFlatString& empty = EmptyString();
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return InsertHTMLWithContext(aInString, empty, empty, empty,
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nsnull, nsnull, 0, PR_TRUE);
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}
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nsresult
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nsHTMLEditor::InsertHTMLWithContext(const nsAString & aInputString,
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const nsAString & aContextStr,
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const nsAString & aInfoStr,
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const nsAString & aFlavor,
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nsIDOMDocument *aSourceDoc,
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nsIDOMNode *aDestNode,
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PRInt32 aDestOffset,
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PRBool aDeleteSelection)
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{
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if (!mRules) return NS_ERROR_NOT_INITIALIZED;
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// force IME commit; set up rules sniffing and batching
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ForceCompositionEnd();
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nsAutoEditBatch beginBatching(this);
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nsAutoRules beginRulesSniffing(this, kOpHTMLPaste, nsIEditor::eNext);
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// Get selection
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nsresult res;
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nsCOMPtr<nsISelection>selection;
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res = GetSelection(getter_AddRefs(selection));
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if (NS_FAILED(res)) return res;
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// create a dom document fragment that represents the structure to paste
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nsCOMPtr<nsIDOMNode> fragmentAsNode;
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PRInt32 rangeStartHint, rangeEndHint;
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nsAutoString contextStr;
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contextStr.Assign(aContextStr);
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#ifdef MOZ_THUNDERBIRD
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// See Bug #228920 --> editor / parser has trouble inserting single cell data from Excel.
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// The details are in the bug. Until we figure out why the parser is not building the right
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// document structure for the single cell paste case, we can explicitly check for just such
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// a condition and work around it. By setting the contextStr to an empty string we end up
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// pasting just the cell text which is what we want anyway.
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// A paste from an excel cell always starts with a new line, two spaces and then the td tag
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if (StringBeginsWith(aInputString, NS_LITERAL_STRING("\n <td")))
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contextStr.Truncate();
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#endif
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res = CreateDOMFragmentFromPaste(aInputString, contextStr, aInfoStr,
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address_of(fragmentAsNode),
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&rangeStartHint, &rangeEndHint);
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NS_ENSURE_SUCCESS(res, res);
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nsCOMPtr<nsIDOMNode> targetNode, streamStartParent, streamEndParent, tempNode;
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PRInt32 targetOffset=0, streamStartOffset=0, streamEndOffset=0, k;
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if (!aDestNode)
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{
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// if caller didn't provide the destination/target node,
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// fetch the paste insertion point from our selection
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res = GetStartNodeAndOffset(selection, address_of(targetNode), &targetOffset);
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if (!targetNode) res = NS_ERROR_FAILURE;
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if (NS_FAILED(res)) return res;
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}
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else
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{
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targetNode = aDestNode;
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targetOffset = aDestOffset;
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}
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// fetch the start parent/offset by walking down the leading edge of
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// the fragmentAsNode tree (rangeStartHint # of times)
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streamStartParent = fragmentAsNode;
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for (k = 0; k < rangeStartHint; k++)
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{
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streamStartParent->GetFirstChild(getter_AddRefs(tempNode));
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if (!tempNode) return NS_ERROR_FAILURE;
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streamStartParent = tempNode;
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}
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// streamStartOffset is just always zero at this point
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// fetch the end parent/offset by walking down the trailing edge of
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// the fragmentAsNode tree (rangeEndHint # of times)
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streamEndParent = fragmentAsNode;
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for (k = 0; k < rangeEndHint; k++)
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{
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streamEndParent->GetLastChild(getter_AddRefs(tempNode));
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if (!tempNode) return NS_ERROR_FAILURE;
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streamEndParent = tempNode;
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}
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// streamEndOffset is just always after last child of streamEndParent at this point
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res = GetLengthOfDOMNode(streamEndParent, (PRUint32&)streamEndOffset);
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if (NS_FAILED(res)) return res;
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PRBool doContinue = PR_TRUE;
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res = DoContentFilterCallback(aFlavor, aSourceDoc, aDeleteSelection,
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(nsIDOMNode **)address_of(fragmentAsNode),
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(nsIDOMNode **)address_of(streamStartParent),
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&streamStartOffset,
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(nsIDOMNode **)address_of(streamEndParent),
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&streamEndOffset,
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(nsIDOMNode **)address_of(targetNode),
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&targetOffset, &doContinue);
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NS_ENSURE_SUCCESS(res, res);
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if (!doContinue)
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return NS_OK;
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// if we have a destination / target node, we want to insert there
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// rather than in place of the selection
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// ignore aDeleteSelection here if no aDestNode since deletion will
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// also occur later; this block is intended to cover the various
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// scenarios where we are dropping in an editor (and may want to delete
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// the selection before collapsing the selection in the new destination)
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if (aDestNode)
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{
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if (aDeleteSelection)
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{
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// Use an auto tracker so that our drop point is correctly
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// positioned after the delete.
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nsAutoTrackDOMPoint tracker(mRangeUpdater, &targetNode, &targetOffset);
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res = DeleteSelection(eNone);
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NS_ENSURE_SUCCESS(res, res);
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}
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res = selection->Collapse(targetNode, targetOffset);
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NS_ENSURE_SUCCESS(res, res);
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}
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// we need to recalculate various things based on potentially new offsets
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// this is work to be completed at a later date (probably by jfrancis)
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// make a list of what nodes in docFrag we need to move
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nsCOMArray<nsIDOMNode> nodeList;
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res = CreateListOfNodesToPaste(fragmentAsNode, nodeList,
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streamStartParent, streamStartOffset,
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streamEndParent, streamEndOffset);
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NS_ENSURE_SUCCESS(res, res);
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if (nodeList.Count() == 0)
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return NS_OK;
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// walk list of nodes; perform surgery on nodes (relativize) with _mozattr
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res = RelativizeURIInFragmentList(nodeList, aFlavor, aSourceDoc, targetNode);
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// ignore results from this call, try to paste/insert anyways
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// are there any table elements in the list?
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// node and offset for insertion
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nsCOMPtr<nsIDOMNode> parentNode;
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PRInt32 offsetOfNewNode;
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// check for table cell selection mode
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PRBool cellSelectionMode = PR_FALSE;
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nsCOMPtr<nsIDOMElement> cell;
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res = GetFirstSelectedCell(nsnull, getter_AddRefs(cell));
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if (NS_SUCCEEDED(res) && cell)
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{
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cellSelectionMode = PR_TRUE;
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}
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if (cellSelectionMode)
|
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{
|
|
// do we have table content to paste? If so, we want to delete
|
|
// the selected table cells and replace with new table elements;
|
|
// but if not we want to delete _contents_ of cells and replace
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// with non-table elements. Use cellSelectionMode bool to
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|
// indicate results.
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nsIDOMNode* firstNode = nodeList[0];
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if (!nsHTMLEditUtils::IsTableElement(firstNode))
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cellSelectionMode = PR_FALSE;
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|
}
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if (!cellSelectionMode)
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{
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|
res = DeleteSelectionAndPrepareToCreateNode(parentNode, offsetOfNewNode);
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NS_ENSURE_SUCCESS(res, res);
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|
// pasting does not inherit local inline styles
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res = RemoveAllInlineProperties();
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NS_ENSURE_SUCCESS(res, res);
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|
}
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|
else
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|
{
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|
// delete whole cells: we will replace with new table content
|
|
if (1)
|
|
{
|
|
// Save current selection since DeleteTableCell perturbs it
|
|
nsAutoSelectionReset selectionResetter(selection, this);
|
|
res = DeleteTableCell(1);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
}
|
|
// collapse selection to beginning of deleted table content
|
|
selection->CollapseToStart();
|
|
}
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|
|
// give rules a chance to handle or cancel
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kInsertElement);
|
|
PRBool cancel, handled;
|
|
res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
|
|
if (NS_FAILED(res)) return res;
|
|
if (cancel) return NS_OK; // rules canceled the operation
|
|
if (!handled)
|
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{
|
|
// The rules code (WillDoAction above) might have changed the selection.
|
|
// refresh our memory...
|
|
res = GetStartNodeAndOffset(selection, address_of(parentNode), &offsetOfNewNode);
|
|
if (!parentNode) res = NS_ERROR_FAILURE;
|
|
if (NS_FAILED(res)) return res;
|
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|
|
// Adjust position based on the first node we are going to insert.
|
|
NormalizeEOLInsertPosition(nodeList[0], address_of(parentNode), &offsetOfNewNode);
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|
|
// if there are any invisible br's after our insertion point, remove them.
|
|
// this is because if there is a br at end of what we paste, it will make
|
|
// the invisible br visible.
|
|
nsWSRunObject wsObj(this, parentNode, offsetOfNewNode);
|
|
if (nsTextEditUtils::IsBreak(wsObj.mEndReasonNode) &&
|
|
!IsVisBreak(wsObj.mEndReasonNode) )
|
|
{
|
|
res = DeleteNode(wsObj.mEndReasonNode);
|
|
if (NS_FAILED(res)) return res;
|
|
}
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|
|
// remeber if we are in a link.
|
|
PRBool bStartedInLink = IsInLink(parentNode);
|
|
|
|
// are we in a text node? If so, split it.
|
|
if (IsTextNode(parentNode))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> temp;
|
|
res = SplitNodeDeep(parentNode, parentNode, offsetOfNewNode, &offsetOfNewNode);
|
|
if (NS_FAILED(res)) return res;
|
|
res = parentNode->GetParentNode(getter_AddRefs(temp));
|
|
if (NS_FAILED(res)) return res;
|
|
parentNode = temp;
|
|
}
|
|
|
|
// build up list of parents of first node in list that are either
|
|
// lists or tables. First examine front of paste node list.
|
|
nsCOMArray<nsIDOMNode> startListAndTableArray;
|
|
res = GetListAndTableParents(PR_FALSE, nodeList, startListAndTableArray);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
|
|
// remember number of lists and tables above us
|
|
PRInt32 highWaterMark = -1;
|
|
if (startListAndTableArray.Count() > 0)
|
|
{
|
|
res = DiscoverPartialListsAndTables(nodeList, startListAndTableArray, &highWaterMark);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
}
|
|
|
|
// if we have pieces of tables or lists to be inserted, let's force the paste
|
|
// to deal with table elements right away, so that it doesn't orphan some
|
|
// table or list contents outside the table or list.
|
|
if (highWaterMark >= 0)
|
|
{
|
|
res = ReplaceOrphanedStructure(PR_FALSE, nodeList, startListAndTableArray, highWaterMark);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
}
|
|
|
|
// Now go through the same process again for the end of the paste node list.
|
|
nsCOMArray<nsIDOMNode> endListAndTableArray;
|
|
res = GetListAndTableParents(PR_TRUE, nodeList, endListAndTableArray);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
highWaterMark = -1;
|
|
|
|
// remember number of lists and tables above us
|
|
if (endListAndTableArray.Count() > 0)
|
|
{
|
|
res = DiscoverPartialListsAndTables(nodeList, endListAndTableArray, &highWaterMark);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
}
|
|
|
|
// don't orphan partial list or table structure
|
|
if (highWaterMark >= 0)
|
|
{
|
|
res = ReplaceOrphanedStructure(PR_TRUE, nodeList, endListAndTableArray, highWaterMark);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
}
|
|
|
|
// Loop over the node list and paste the nodes:
|
|
PRBool bDidInsert = PR_FALSE;
|
|
nsCOMPtr<nsIDOMNode> parentBlock, lastInsertNode, insertedContextParent;
|
|
PRInt32 listCount = nodeList.Count();
|
|
PRInt32 j;
|
|
if (IsBlockNode(parentNode))
|
|
parentBlock = parentNode;
|
|
else
|
|
parentBlock = GetBlockNodeParent(parentNode);
|
|
|
|
for (j=0; j<listCount; j++)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> curNode = nodeList[j];
|
|
|
|
NS_ENSURE_TRUE(curNode, NS_ERROR_FAILURE);
|
|
NS_ENSURE_TRUE(curNode != fragmentAsNode, NS_ERROR_FAILURE);
|
|
NS_ENSURE_TRUE(!nsTextEditUtils::IsBody(curNode), NS_ERROR_FAILURE);
|
|
|
|
if (insertedContextParent)
|
|
{
|
|
// if we had to insert something higher up in the paste hierarchy, we want to
|
|
// skip any further paste nodes that descend from that. Else we will paste twice.
|
|
if (nsEditorUtils::IsDescendantOf(curNode, insertedContextParent))
|
|
continue;
|
|
}
|
|
|
|
// give the user a hand on table element insertion. if they have
|
|
// a table or table row on the clipboard, and are trying to insert
|
|
// into a table or table row, insert the appropriate children instead.
|
|
if ( (nsHTMLEditUtils::IsTableRow(curNode) && nsHTMLEditUtils::IsTableRow(parentNode))
|
|
&& (nsHTMLEditUtils::IsTable(curNode) || nsHTMLEditUtils::IsTable(parentNode)) )
|
|
{
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
curNode->GetFirstChild(getter_AddRefs(child));
|
|
while (child)
|
|
{
|
|
res = InsertNodeAtPoint(child, address_of(parentNode), &offsetOfNewNode, PR_TRUE);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
bDidInsert = PR_TRUE;
|
|
lastInsertNode = child;
|
|
offsetOfNewNode++;
|
|
}
|
|
curNode->GetFirstChild(getter_AddRefs(child));
|
|
}
|
|
}
|
|
// give the user a hand on list insertion. if they have
|
|
// a list on the clipboard, and are trying to insert
|
|
// into a list or list item, insert the appropriate children instead,
|
|
// ie, merge the lists instead of pasting in a sublist.
|
|
else if (nsHTMLEditUtils::IsList(curNode) &&
|
|
(nsHTMLEditUtils::IsList(parentNode) || nsHTMLEditUtils::IsListItem(parentNode)) )
|
|
{
|
|
nsCOMPtr<nsIDOMNode> child, tmp;
|
|
curNode->GetFirstChild(getter_AddRefs(child));
|
|
while (child)
|
|
{
|
|
if (nsHTMLEditUtils::IsListItem(child) || nsHTMLEditUtils::IsList(child))
|
|
{
|
|
// check if we are pasting into empty list item. If so
|
|
// delete it and paste into parent list instead.
|
|
if (nsHTMLEditUtils::IsListItem(parentNode))
|
|
{
|
|
PRBool isEmpty;
|
|
res = IsEmptyNode(parentNode, &isEmpty, PR_TRUE);
|
|
if ((NS_SUCCEEDED(res)) && isEmpty)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> listNode;
|
|
PRInt32 newOffset;
|
|
GetNodeLocation(parentNode, address_of(listNode), &newOffset);
|
|
if (listNode)
|
|
{
|
|
DeleteNode(parentNode);
|
|
parentNode = listNode;
|
|
offsetOfNewNode = newOffset;
|
|
}
|
|
}
|
|
}
|
|
res = InsertNodeAtPoint(child, address_of(parentNode), &offsetOfNewNode, PR_TRUE);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
bDidInsert = PR_TRUE;
|
|
lastInsertNode = child;
|
|
offsetOfNewNode++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
curNode->RemoveChild(child, getter_AddRefs(tmp));
|
|
}
|
|
curNode->GetFirstChild(getter_AddRefs(child));
|
|
}
|
|
|
|
}
|
|
// check for pre's going into pre's.
|
|
else if (nsHTMLEditUtils::IsPre(parentBlock) && nsHTMLEditUtils::IsPre(curNode))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> child, tmp;
|
|
curNode->GetFirstChild(getter_AddRefs(child));
|
|
while (child)
|
|
{
|
|
res = InsertNodeAtPoint(child, address_of(parentNode), &offsetOfNewNode, PR_TRUE);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
bDidInsert = PR_TRUE;
|
|
lastInsertNode = child;
|
|
offsetOfNewNode++;
|
|
}
|
|
curNode->GetFirstChild(getter_AddRefs(child));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
|
|
// try to insert
|
|
res = InsertNodeAtPoint(curNode, address_of(parentNode), &offsetOfNewNode, PR_TRUE);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
bDidInsert = PR_TRUE;
|
|
lastInsertNode = curNode;
|
|
}
|
|
|
|
// assume failure means no legal parent in the document heirarchy.
|
|
// try again with the parent of curNode in the paste heirarchy.
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
while (NS_FAILED(res) && curNode)
|
|
{
|
|
curNode->GetParentNode(getter_AddRefs(parent));
|
|
if (parent && !nsTextEditUtils::IsBody(parent))
|
|
{
|
|
res = InsertNodeAtPoint(parent, address_of(parentNode), &offsetOfNewNode, PR_TRUE);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
bDidInsert = PR_TRUE;
|
|
insertedContextParent = parent;
|
|
lastInsertNode = parent;
|
|
}
|
|
}
|
|
curNode = parent;
|
|
}
|
|
}
|
|
if (bDidInsert)
|
|
{
|
|
res = GetNodeLocation(lastInsertNode, address_of(parentNode), &offsetOfNewNode);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
offsetOfNewNode++;
|
|
}
|
|
}
|
|
|
|
// Now collapse the selection to the end of what we just inserted:
|
|
if (lastInsertNode)
|
|
{
|
|
// set selection to the end of what we just pasted.
|
|
nsCOMPtr<nsIDOMNode> selNode, tmp, visNode, highTable;
|
|
PRInt32 selOffset;
|
|
|
|
// but dont cross tables
|
|
if (!nsHTMLEditUtils::IsTable(lastInsertNode))
|
|
{
|
|
res = GetLastEditableLeaf(lastInsertNode, address_of(selNode));
|
|
if (NS_FAILED(res)) return res;
|
|
tmp = selNode;
|
|
while (tmp && (tmp != lastInsertNode))
|
|
{
|
|
if (nsHTMLEditUtils::IsTable(tmp))
|
|
highTable = tmp;
|
|
nsCOMPtr<nsIDOMNode> parent = tmp;
|
|
tmp->GetParentNode(getter_AddRefs(parent));
|
|
tmp = parent;
|
|
}
|
|
if (highTable)
|
|
selNode = highTable;
|
|
}
|
|
if (!selNode)
|
|
selNode = lastInsertNode;
|
|
if (IsTextNode(selNode) || (IsContainer(selNode) && !nsHTMLEditUtils::IsTable(selNode)))
|
|
{
|
|
res = GetLengthOfDOMNode(selNode, (PRUint32&)selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else // we need to find a container for selection. Look up.
|
|
{
|
|
tmp = selNode;
|
|
res = GetNodeLocation(tmp, address_of(selNode), &selOffset);
|
|
++selOffset; // want to be *after* last leaf node in paste
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// make sure we dont end up with selection collapsed after an invisible break node
|
|
nsWSRunObject wsRunObj(this, selNode, selOffset);
|
|
PRInt32 outVisOffset=0;
|
|
PRInt16 visType=0;
|
|
res = wsRunObj.PriorVisibleNode(selNode, selOffset, address_of(visNode), &outVisOffset, &visType);
|
|
if (NS_FAILED(res)) return res;
|
|
if (visType == nsWSRunObject::eBreak)
|
|
{
|
|
// we are after a break. Is it visible? Despite the name,
|
|
// PriorVisibleNode does not make that determination for breaks.
|
|
// It also may not return the break in visNode. We have to pull it
|
|
// out of the nsWSRunObject's state.
|
|
if (!IsVisBreak(wsRunObj.mStartReasonNode))
|
|
{
|
|
// dont leave selection past an invisible break;
|
|
// reset {selNode,selOffset} to point before break
|
|
res = GetNodeLocation(wsRunObj.mStartReasonNode, address_of(selNode), &selOffset);
|
|
// we want to be inside any inline style prior to break
|
|
nsWSRunObject wsRunObj(this, selNode, selOffset);
|
|
res = wsRunObj.PriorVisibleNode(selNode, selOffset, address_of(visNode), &outVisOffset, &visType);
|
|
if (NS_FAILED(res)) return res;
|
|
if (visType == nsWSRunObject::eText ||
|
|
visType == nsWSRunObject::eNormalWS)
|
|
{
|
|
selNode = visNode;
|
|
selOffset = outVisOffset; // PriorVisibleNode already set offset to _after_ the text or ws
|
|
}
|
|
else if (visType == nsWSRunObject::eSpecial)
|
|
{
|
|
// prior visible thing is an image or some other non-text thingy.
|
|
// We want to be right after it.
|
|
res = GetNodeLocation(wsRunObj.mStartReasonNode, address_of(selNode), &selOffset);
|
|
++selOffset;
|
|
}
|
|
}
|
|
}
|
|
selection->Collapse(selNode, selOffset);
|
|
|
|
// if we just pasted a link, discontinue link style
|
|
nsCOMPtr<nsIDOMNode> link;
|
|
if (!bStartedInLink && IsInLink(selNode, address_of(link)))
|
|
{
|
|
// so, if we just pasted a link, I split it. Why do that instead of just
|
|
// nudging selection point beyond it? Because it might have ended in a BR
|
|
// that is not visible. If so, the code above just placed selection
|
|
// inside that. So I split it instead.
|
|
nsCOMPtr<nsIDOMNode> leftLink;
|
|
PRInt32 linkOffset;
|
|
res = SplitNodeDeep(link, selNode, selOffset, &linkOffset, PR_TRUE, address_of(leftLink));
|
|
if (NS_FAILED(res)) return res;
|
|
res = GetNodeLocation(leftLink, address_of(selNode), &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
selection->Collapse(selNode, selOffset+1);
|
|
}
|
|
}
|
|
}
|
|
|
|
res = mRules->DidDoAction(selection, &ruleInfo, res);
|
|
return res;
|
|
}
|
|
|
|
// returns empty string if nothing to modify on node
|
|
nsresult
|
|
nsHTMLEditor::GetAttributeToModifyOnNode(nsIDOMNode *aNode, nsAString &aAttr)
|
|
{
|
|
aAttr.Truncate();
|
|
|
|
NS_NAMED_LITERAL_STRING(srcStr, "src");
|
|
nsCOMPtr<nsIDOMHTMLImageElement> nodeAsImage = do_QueryInterface(aNode);
|
|
if (nodeAsImage)
|
|
{
|
|
aAttr = srcStr;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMHTMLAnchorElement> nodeAsAnchor = do_QueryInterface(aNode);
|
|
if (nodeAsAnchor)
|
|
{
|
|
aAttr.AssignLiteral("href");
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_NAMED_LITERAL_STRING(bgStr, "background");
|
|
nsCOMPtr<nsIDOMHTMLBodyElement> nodeAsBody = do_QueryInterface(aNode);
|
|
if (nodeAsBody)
|
|
{
|
|
aAttr = bgStr;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMHTMLTableElement> nodeAsTable = do_QueryInterface(aNode);
|
|
if (nodeAsTable)
|
|
{
|
|
aAttr = bgStr;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMHTMLTableRowElement> nodeAsTableRow = do_QueryInterface(aNode);
|
|
if (nodeAsTableRow)
|
|
{
|
|
aAttr = bgStr;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMHTMLTableCellElement> nodeAsTableCell = do_QueryInterface(aNode);
|
|
if (nodeAsTableCell)
|
|
{
|
|
aAttr = bgStr;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMHTMLScriptElement> nodeAsScript = do_QueryInterface(aNode);
|
|
if (nodeAsScript)
|
|
{
|
|
aAttr = srcStr;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMHTMLEmbedElement> nodeAsEmbed = do_QueryInterface(aNode);
|
|
if (nodeAsEmbed)
|
|
{
|
|
aAttr = srcStr;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMHTMLObjectElement> nodeAsObject = do_QueryInterface(aNode);
|
|
if (nodeAsObject)
|
|
{
|
|
aAttr.AssignLiteral("data");
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMHTMLLinkElement> nodeAsLink = do_QueryInterface(aNode);
|
|
if (nodeAsLink)
|
|
{
|
|
// Test if the link has a rel value indicating it to be a stylesheet
|
|
nsAutoString linkRel;
|
|
if (NS_SUCCEEDED(nodeAsLink->GetRel(linkRel)) && !linkRel.IsEmpty())
|
|
{
|
|
nsReadingIterator<PRUnichar> start;
|
|
nsReadingIterator<PRUnichar> end;
|
|
nsReadingIterator<PRUnichar> current;
|
|
|
|
linkRel.BeginReading(start);
|
|
linkRel.EndReading(end);
|
|
|
|
// Walk through space delimited string looking for "stylesheet"
|
|
for (current = start; current != end; ++current)
|
|
{
|
|
// Ignore whitespace
|
|
if (nsCRT::IsAsciiSpace(*current))
|
|
continue;
|
|
|
|
// Grab the next space delimited word
|
|
nsReadingIterator<PRUnichar> startWord = current;
|
|
do {
|
|
++current;
|
|
} while (current != end && !nsCRT::IsAsciiSpace(*current));
|
|
|
|
// Store the link for fix up if it says "stylesheet"
|
|
if (Substring(startWord, current).LowerCaseEqualsLiteral("stylesheet"))
|
|
{
|
|
aAttr.AssignLiteral("href");
|
|
return NS_OK;
|
|
}
|
|
if (current == end)
|
|
break;
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMHTMLFrameElement> nodeAsFrame = do_QueryInterface(aNode);
|
|
if (nodeAsFrame)
|
|
{
|
|
aAttr = srcStr;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMHTMLIFrameElement> nodeAsIFrame = do_QueryInterface(aNode);
|
|
if (nodeAsIFrame)
|
|
{
|
|
aAttr = srcStr;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMHTMLInputElement> nodeAsInput = do_QueryInterface(aNode);
|
|
if (nodeAsInput)
|
|
{
|
|
aAttr = srcStr;
|
|
return NS_OK;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::RelativizeURIForNode(nsIDOMNode *aNode, nsIURL *aDestURL)
|
|
{
|
|
nsAutoString attributeToModify;
|
|
GetAttributeToModifyOnNode(aNode, attributeToModify);
|
|
if (attributeToModify.IsEmpty())
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMNamedNodeMap> attrMap;
|
|
nsresult rv = aNode->GetAttributes(getter_AddRefs(attrMap));
|
|
NS_ENSURE_SUCCESS(rv, NS_OK);
|
|
if (!attrMap) return NS_OK; // assume errors here shouldn't cancel insertion
|
|
|
|
nsCOMPtr<nsIDOMNode> attrNode;
|
|
rv = attrMap->GetNamedItem(attributeToModify, getter_AddRefs(attrNode));
|
|
NS_ENSURE_SUCCESS(rv, NS_OK); // assume errors here shouldn't cancel insertion
|
|
|
|
if (attrNode)
|
|
{
|
|
nsAutoString oldValue;
|
|
attrNode->GetNodeValue(oldValue);
|
|
if (!oldValue.IsEmpty())
|
|
{
|
|
NS_ConvertUCS2toUTF8 oldCValue(oldValue);
|
|
nsCOMPtr<nsIURI> currentNodeURI;
|
|
rv = NS_NewURI(getter_AddRefs(currentNodeURI), oldCValue);
|
|
if (NS_SUCCEEDED(rv))
|
|
{
|
|
nsCAutoString newRelativePath;
|
|
aDestURL->GetRelativeSpec(currentNodeURI, newRelativePath);
|
|
if (!newRelativePath.IsEmpty())
|
|
{
|
|
NS_ConvertUTF8toUCS2 newCValue(newRelativePath);
|
|
attrNode->SetNodeValue(newCValue);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::RelativizeURIInFragmentList(nsCOMArray<nsIDOMNode> aNodeList,
|
|
const nsAString &aFlavor,
|
|
nsIDOMDocument *aSourceDoc,
|
|
nsIDOMNode *aTargetNode)
|
|
{
|
|
// determine destination URL
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
GetDocument(getter_AddRefs(domDoc));
|
|
nsCOMPtr<nsIDocument> destDoc = do_QueryInterface(domDoc);
|
|
if (!destDoc) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIURL> destURL = do_QueryInterface(destDoc->GetDocumentURI());
|
|
if (!destURL) return NS_ERROR_FAILURE;
|
|
|
|
// brade: eventually should look for a base url in the document if present
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsIDOMDocumentTraversal> trav = do_QueryInterface(domDoc, &rv);
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
|
|
|
|
PRInt32 listCount = aNodeList.Count();
|
|
PRInt32 j;
|
|
for (j = 0; j < listCount; j++)
|
|
{
|
|
nsIDOMNode* somenode = aNodeList[j];
|
|
|
|
nsCOMPtr<nsIDOMTreeWalker> walker;
|
|
rv = trav->CreateTreeWalker(somenode, nsIDOMNodeFilter::SHOW_ELEMENT,
|
|
nsnull, PR_TRUE, getter_AddRefs(walker));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsIDOMNode> currentNode;
|
|
walker->GetCurrentNode(getter_AddRefs(currentNode));
|
|
while (currentNode)
|
|
{
|
|
rv = RelativizeURIForNode(currentNode, destURL);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
walker->NextNode(getter_AddRefs(currentNode));
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::AddInsertionListener(nsIContentFilter *aListener)
|
|
{
|
|
if (!aListener)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
// don't let a listener be added more than once
|
|
if (mContentFilters.IndexOfObject(aListener) == -1)
|
|
{
|
|
if (!mContentFilters.AppendObject(aListener))
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::RemoveInsertionListener(nsIContentFilter *aListener)
|
|
{
|
|
if (!aListener)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
if (!mContentFilters.RemoveObject(aListener))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::DoContentFilterCallback(const nsAString &aFlavor,
|
|
nsIDOMDocument *sourceDoc,
|
|
PRBool aWillDeleteSelection,
|
|
nsIDOMNode **aFragmentAsNode,
|
|
nsIDOMNode **aFragStartNode,
|
|
PRInt32 *aFragStartOffset,
|
|
nsIDOMNode **aFragEndNode,
|
|
PRInt32 *aFragEndOffset,
|
|
nsIDOMNode **aTargetNode,
|
|
PRInt32 *aTargetOffset,
|
|
PRBool *aDoContinue)
|
|
{
|
|
*aDoContinue = PR_TRUE;
|
|
|
|
PRInt32 i;
|
|
nsIContentFilter *listener;
|
|
for (i=0; i < mContentFilters.Count() && *aDoContinue; i++)
|
|
{
|
|
listener = (nsIContentFilter *)mContentFilters[i];
|
|
if (listener)
|
|
listener->NotifyOfInsertion(aFlavor, nsnull, sourceDoc,
|
|
aWillDeleteSelection, aFragmentAsNode,
|
|
aFragStartNode, aFragStartOffset,
|
|
aFragEndNode, aFragEndOffset,
|
|
aTargetNode, aTargetOffset, aDoContinue);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
PRBool
|
|
nsHTMLEditor::IsInLink(nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *outLink)
|
|
{
|
|
if (!aNode)
|
|
return PR_FALSE;
|
|
if (outLink)
|
|
*outLink = nsnull;
|
|
nsCOMPtr<nsIDOMNode> tmp, node = aNode;
|
|
while (node)
|
|
{
|
|
if (nsHTMLEditUtils::IsLink(node))
|
|
{
|
|
if (outLink)
|
|
*outLink = node;
|
|
return PR_TRUE;
|
|
}
|
|
tmp = node;
|
|
tmp->GetParentNode(getter_AddRefs(node));
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditor::StripFormattingNodes(nsIDOMNode *aNode, PRBool aListOnly)
|
|
{
|
|
NS_ENSURE_TRUE(aNode, NS_ERROR_NULL_POINTER);
|
|
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIContent> content = do_QueryInterface(aNode);
|
|
if (IsEmptyTextContent(content))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> parent, ignored;
|
|
aNode->GetParentNode(getter_AddRefs(parent));
|
|
if (parent)
|
|
{
|
|
if (!aListOnly || nsHTMLEditUtils::IsList(parent))
|
|
res = parent->RemoveChild(aNode, getter_AddRefs(ignored));
|
|
return res;
|
|
}
|
|
}
|
|
|
|
if (!nsHTMLEditUtils::IsPre(aNode))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
aNode->GetLastChild(getter_AddRefs(child));
|
|
|
|
while (child)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
child->GetPreviousSibling(getter_AddRefs(tmp));
|
|
res = StripFormattingNodes(child, aListOnly);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
child = tmp;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::PrepareTransferable(nsITransferable **transferable)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::PrepareHTMLTransferable(nsITransferable **aTransferable,
|
|
PRBool aHavePrivFlavor)
|
|
{
|
|
// Create generic Transferable for getting the data
|
|
nsresult rv = CallCreateInstance("@mozilla.org/widget/transferable;1", aTransferable);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// Get the nsITransferable interface for getting the data from the clipboard
|
|
if (aTransferable)
|
|
{
|
|
// Create the desired DataFlavor for the type of data
|
|
// we want to get out of the transferable
|
|
if ((mFlags & eEditorPlaintextMask) == 0) // This should only happen in html editors, not plaintext
|
|
{
|
|
if (!aHavePrivFlavor)
|
|
{
|
|
(*aTransferable)->AddDataFlavor(kNativeHTMLMime);
|
|
}
|
|
(*aTransferable)->AddDataFlavor(kHTMLMime);
|
|
(*aTransferable)->AddDataFlavor(kFileMime);
|
|
#ifdef XP_WIN32
|
|
// image pasting from the clipboard is only implemented on Windows right now.
|
|
(*aTransferable)->AddDataFlavor(kJPEGImageMime);
|
|
#endif
|
|
}
|
|
(*aTransferable)->AddDataFlavor(kUnicodeMime);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
PRInt32
|
|
FindPositiveIntegerAfterString(const char *aLeadingString, nsCString &aCStr)
|
|
{
|
|
// first obtain offsets from cfhtml str
|
|
PRInt32 numFront = aCStr.Find(aLeadingString);
|
|
if (numFront == -1)
|
|
return -1;
|
|
numFront += strlen(aLeadingString);
|
|
|
|
PRInt32 numBack = aCStr.FindCharInSet(CRLF, numFront);
|
|
if (numBack == -1)
|
|
return -1;
|
|
|
|
nsCAutoString numStr(Substring(aCStr, numFront, numBack-numFront));
|
|
PRInt32 errorCode;
|
|
return numStr.ToInteger(&errorCode);
|
|
}
|
|
|
|
nsresult
|
|
RemoveFragComments(nsCString & aStr)
|
|
{
|
|
// remove the StartFragment/EndFragment comments from the str, if present
|
|
PRInt32 startCommentIndx = aStr.Find("<!--StartFragment");
|
|
if (startCommentIndx >= 0)
|
|
{
|
|
PRInt32 startCommentEnd = aStr.Find("-->", PR_FALSE, startCommentIndx);
|
|
if (startCommentEnd > startCommentIndx)
|
|
aStr.Cut(startCommentIndx, (startCommentEnd+3)-startCommentIndx);
|
|
}
|
|
PRInt32 endCommentIndx = aStr.Find("<!--EndFragment");
|
|
if (endCommentIndx >= 0)
|
|
{
|
|
PRInt32 endCommentEnd = aStr.Find("-->", PR_FALSE, endCommentIndx);
|
|
if (endCommentEnd > endCommentIndx)
|
|
aStr.Cut(endCommentIndx, (endCommentEnd+3)-endCommentIndx);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::ParseCFHTML(nsCString & aCfhtml, PRUnichar **aStuffToPaste, PRUnichar **aCfcontext)
|
|
{
|
|
// first obtain offsets from cfhtml str
|
|
PRInt32 startHTML = FindPositiveIntegerAfterString("StartHTML:", aCfhtml);
|
|
PRInt32 endHTML = FindPositiveIntegerAfterString("EndHTML:", aCfhtml);
|
|
PRInt32 startFragment = FindPositiveIntegerAfterString("StartFragment:", aCfhtml);
|
|
PRInt32 endFragment = FindPositiveIntegerAfterString("EndFragment:", aCfhtml);
|
|
|
|
if ((startHTML<0) || (endHTML<0) || (startFragment<0) || (endFragment<0))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// create context string
|
|
nsCAutoString contextUTF8(Substring(aCfhtml, startHTML, startFragment - startHTML) +
|
|
Substring(aCfhtml, endFragment, endHTML - endFragment));
|
|
|
|
// validate startFragment
|
|
// make sure it's not in the middle of a HTML tag
|
|
// see bug #228879 for more details
|
|
PRInt32 curPos = startFragment;
|
|
while (curPos > startHTML)
|
|
{
|
|
if (aCfhtml[curPos] == '>')
|
|
{
|
|
// working backwards, the first thing we see is the end of a tag
|
|
// so StartFragment is good, so do nothing.
|
|
break;
|
|
}
|
|
else if (aCfhtml[curPos] == '<')
|
|
{
|
|
// if we are at the start, then we want to see the '<'
|
|
if (curPos != startFragment)
|
|
{
|
|
// working backwards, the first thing we see is the start of a tag
|
|
// so StartFragment is bad, so we need to update it.
|
|
NS_ASSERTION(0, "StartFragment byte count in the clipboard looks bad, see bug #228879");
|
|
startFragment = curPos - 1;
|
|
}
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
curPos--;
|
|
}
|
|
}
|
|
|
|
// create fragment string
|
|
nsCAutoString fragmentUTF8(Substring(aCfhtml, startFragment, endFragment-startFragment));
|
|
|
|
// remove the StartFragment/EndFragment comments from the fragment, if present
|
|
RemoveFragComments(fragmentUTF8);
|
|
|
|
// remove the StartFragment/EndFragment comments from the context, if present
|
|
RemoveFragComments(contextUTF8);
|
|
|
|
// convert both strings to usc2
|
|
const nsAFlatString& fragUcs2Str = NS_ConvertUTF8toUCS2(fragmentUTF8);
|
|
const nsAFlatString& cntxtUcs2Str = NS_ConvertUTF8toUCS2(contextUTF8);
|
|
|
|
// translate platform linebreaks for fragment
|
|
PRInt32 oldLengthInChars = fragUcs2Str.Length() + 1; // +1 to include null terminator
|
|
PRInt32 newLengthInChars = 0;
|
|
*aStuffToPaste = nsLinebreakConverter::ConvertUnicharLineBreaks(fragUcs2Str.get(),
|
|
nsLinebreakConverter::eLinebreakAny,
|
|
nsLinebreakConverter::eLinebreakContent,
|
|
oldLengthInChars, &newLengthInChars);
|
|
if (!aStuffToPaste)
|
|
{
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// translate platform linebreaks for context
|
|
oldLengthInChars = cntxtUcs2Str.Length() + 1; // +1 to include null terminator
|
|
newLengthInChars = 0;
|
|
*aCfcontext = nsLinebreakConverter::ConvertUnicharLineBreaks(cntxtUcs2Str.get(),
|
|
nsLinebreakConverter::eLinebreakAny,
|
|
nsLinebreakConverter::eLinebreakContent,
|
|
oldLengthInChars, &newLengthInChars);
|
|
// it's ok for context to be empty. frag might be whole doc and contain all it's context.
|
|
|
|
// we're done!
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::InsertFromTransferable(nsITransferable *transferable,
|
|
nsIDOMDocument *aSourceDoc,
|
|
const nsAString & aContextStr,
|
|
const nsAString & aInfoStr,
|
|
nsIDOMNode *aDestinationNode,
|
|
PRInt32 aDestOffset,
|
|
PRBool aDoDeleteSelection)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
nsXPIDLCString bestFlavor;
|
|
nsCOMPtr<nsISupports> genericDataObj;
|
|
PRUint32 len = 0;
|
|
if ( NS_SUCCEEDED(transferable->GetAnyTransferData(getter_Copies(bestFlavor), getter_AddRefs(genericDataObj), &len)) )
|
|
{
|
|
nsAutoTxnsConserveSelection dontSpazMySelection(this);
|
|
nsAutoString flavor;
|
|
flavor.AssignWithConversion(bestFlavor);
|
|
nsAutoString stuffToPaste;
|
|
#ifdef DEBUG_clipboard
|
|
printf("Got flavor [%s]\n", bestFlavor);
|
|
#endif
|
|
if (0 == nsCRT::strcmp(bestFlavor, kNativeHTMLMime))
|
|
{
|
|
// note cf_html uses utf8, hence use length = len, not len/2 as in flavors below
|
|
nsCOMPtr<nsISupportsCString> textDataObj(do_QueryInterface(genericDataObj));
|
|
if (textDataObj && len > 0)
|
|
{
|
|
nsCAutoString cfhtml;
|
|
textDataObj->GetData(cfhtml);
|
|
NS_ASSERTION(cfhtml.Length() <= (len), "Invalid length!");
|
|
nsXPIDLString cfcontext, cffragment, cfselection; // cfselection left emtpy for now
|
|
|
|
rv = ParseCFHTML(cfhtml, getter_Copies(cffragment), getter_Copies(cfcontext));
|
|
if (NS_SUCCEEDED(rv) && !cffragment.IsEmpty())
|
|
{
|
|
nsAutoEditBatch beginBatching(this);
|
|
rv = InsertHTMLWithContext(cffragment,
|
|
cfcontext, cfselection, flavor,
|
|
aSourceDoc,
|
|
aDestinationNode, aDestOffset,
|
|
aDoDeleteSelection);
|
|
}
|
|
}
|
|
}
|
|
else if (0 == nsCRT::strcmp(bestFlavor, kHTMLMime))
|
|
{
|
|
nsCOMPtr<nsISupportsString> textDataObj(do_QueryInterface(genericDataObj));
|
|
if (textDataObj && len > 0)
|
|
{
|
|
nsAutoString text;
|
|
textDataObj->GetData(text);
|
|
NS_ASSERTION(text.Length() <= (len/2), "Invalid length!");
|
|
stuffToPaste.Assign(text.get(), len / 2);
|
|
nsAutoEditBatch beginBatching(this);
|
|
rv = InsertHTMLWithContext(stuffToPaste,
|
|
aContextStr, aInfoStr, flavor,
|
|
aSourceDoc,
|
|
aDestinationNode, aDestOffset,
|
|
aDoDeleteSelection);
|
|
}
|
|
}
|
|
else if (0 == nsCRT::strcmp(bestFlavor, kUnicodeMime))
|
|
{
|
|
nsCOMPtr<nsISupportsString> textDataObj(do_QueryInterface(genericDataObj));
|
|
if (textDataObj && len > 0)
|
|
{
|
|
nsAutoString text;
|
|
textDataObj->GetData(text);
|
|
NS_ASSERTION(text.Length() <= (len/2), "Invalid length!");
|
|
stuffToPaste.Assign(text.get(), len / 2);
|
|
nsAutoEditBatch beginBatching(this);
|
|
// need to provide a hook from this point
|
|
rv = InsertTextAt(stuffToPaste, aDestinationNode, aDestOffset, aDoDeleteSelection);
|
|
}
|
|
}
|
|
else if (0 == nsCRT::strcmp(bestFlavor, kFileMime))
|
|
{
|
|
nsCOMPtr<nsIFile> fileObj(do_QueryInterface(genericDataObj));
|
|
if (fileObj && len > 0)
|
|
{
|
|
|
|
nsCOMPtr<nsIURI> uri;
|
|
rv = NS_NewFileURI(getter_AddRefs(uri), fileObj);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsIURL> fileURL(do_QueryInterface(uri));
|
|
if (fileURL)
|
|
{
|
|
PRBool insertAsImage = PR_FALSE;
|
|
nsCAutoString fileextension;
|
|
rv = fileURL->GetFileExtension(fileextension);
|
|
if (NS_SUCCEEDED(rv) && !fileextension.IsEmpty())
|
|
{
|
|
if ( (nsCRT::strcasecmp(fileextension.get(), "jpg") == 0 )
|
|
|| (nsCRT::strcasecmp(fileextension.get(), "jpeg") == 0 )
|
|
|| (nsCRT::strcasecmp(fileextension.get(), "gif") == 0 )
|
|
|| (nsCRT::strcasecmp(fileextension.get(), "png") == 0 ) )
|
|
{
|
|
insertAsImage = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
nsCAutoString urltext;
|
|
rv = fileURL->GetSpec(urltext);
|
|
if (NS_SUCCEEDED(rv) && !urltext.IsEmpty())
|
|
{
|
|
if (insertAsImage)
|
|
{
|
|
stuffToPaste.AssignLiteral("<IMG src=\"");
|
|
AppendUTF8toUTF16(urltext, stuffToPaste);
|
|
stuffToPaste.AppendLiteral("\" alt=\"\" >");
|
|
}
|
|
else /* insert as link */
|
|
{
|
|
stuffToPaste.AssignLiteral("<A href=\"");
|
|
AppendUTF8toUTF16(urltext, stuffToPaste);
|
|
stuffToPaste.AppendLiteral("\">");
|
|
AppendUTF8toUTF16(urltext, stuffToPaste);
|
|
stuffToPaste.AppendLiteral("</A>");
|
|
}
|
|
nsAutoEditBatch beginBatching(this);
|
|
|
|
const nsAFlatString& empty = EmptyString();
|
|
rv = InsertHTMLWithContext(stuffToPaste,
|
|
empty, empty, flavor,
|
|
aSourceDoc,
|
|
aDestinationNode, aDestOffset,
|
|
aDoDeleteSelection);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (0 == nsCRT::strcmp(bestFlavor, kJPEGImageMime))
|
|
{
|
|
nsCOMPtr<nsIInputStream> imageStream(do_QueryInterface(genericDataObj));
|
|
NS_ENSURE_TRUE(imageStream, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsIFile> fileToUse;
|
|
NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(fileToUse));
|
|
fileToUse->Append(NS_LITERAL_STRING("moz-screenshot.jpg"));
|
|
nsCOMPtr<nsILocalFile> path = do_QueryInterface(fileToUse);
|
|
path->CreateUnique(nsIFile::NORMAL_FILE_TYPE, 0600);
|
|
|
|
nsCOMPtr<nsIOutputStream> outputStream;
|
|
rv = NS_NewLocalFileOutputStream(getter_AddRefs(outputStream), fileToUse);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
PRUint32 length;
|
|
imageStream->Available(&length);
|
|
|
|
nsCOMPtr<nsIOutputStream> bufferedOutputStream;
|
|
rv = NS_NewBufferedOutputStream(getter_AddRefs(bufferedOutputStream), outputStream, length);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
PRUint32 numWritten;
|
|
rv = bufferedOutputStream->WriteFrom(imageStream, length, &numWritten);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// force the stream close before we try to insert the image
|
|
// into the document.
|
|
rv = bufferedOutputStream->Close();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsIURI> uri;
|
|
rv = NS_NewFileURI(getter_AddRefs(uri), fileToUse);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
nsCOMPtr<nsIURL> fileURL(do_QueryInterface(uri));
|
|
if (fileURL)
|
|
{
|
|
nsCAutoString urltext;
|
|
rv = fileURL->GetSpec(urltext);
|
|
if (NS_SUCCEEDED(rv) && !urltext.IsEmpty())
|
|
{
|
|
stuffToPaste.AssignLiteral("<IMG src=\"");
|
|
AppendUTF8toUTF16(urltext, stuffToPaste);
|
|
stuffToPaste.AppendLiteral("\" alt=\"\" >");
|
|
nsAutoEditBatch beginBatching(this);
|
|
rv = InsertHTMLWithContext(stuffToPaste, EmptyString(), EmptyString(),
|
|
NS_LITERAL_STRING(kFileMime),
|
|
aSourceDoc,
|
|
aDestinationNode, aDestOffset,
|
|
aDoDeleteSelection);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Try to scroll the selection into view if the paste/drop succeeded
|
|
if (NS_SUCCEEDED(rv))
|
|
ScrollSelectionIntoView(PR_FALSE);
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::InsertFromDrop(nsIDOMEvent* aDropEvent)
|
|
{
|
|
ForceCompositionEnd();
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsIDragService> dragService =
|
|
do_GetService("@mozilla.org/widget/dragservice;1", &rv);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsCOMPtr<nsIDragSession> dragSession;
|
|
dragService->GetCurrentSession(getter_AddRefs(dragSession));
|
|
if (!dragSession) return NS_OK;
|
|
|
|
// transferable hooks here
|
|
nsCOMPtr<nsIDOMDocument> domdoc;
|
|
GetDocument(getter_AddRefs(domdoc));
|
|
if (!nsEditorHookUtils::DoAllowDropHook(domdoc, aDropEvent, dragSession))
|
|
return NS_OK;
|
|
|
|
// find out if we have our internal html flavor on the clipboard. We don't want to mess
|
|
// around with cfhtml if we do.
|
|
PRBool bHavePrivateHTMLFlavor = PR_FALSE;
|
|
rv = dragSession->IsDataFlavorSupported(kHTMLContext, &bHavePrivateHTMLFlavor);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// Get the nsITransferable interface for getting the data from the drop
|
|
nsCOMPtr<nsITransferable> trans;
|
|
rv = PrepareHTMLTransferable(getter_AddRefs(trans), bHavePrivateHTMLFlavor);
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (!trans) return NS_OK; // NS_ERROR_FAILURE; SHOULD WE FAIL?
|
|
|
|
PRUint32 numItems = 0;
|
|
rv = dragSession->GetNumDropItems(&numItems);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// Combine any deletion and drop insertion into one transaction
|
|
nsAutoEditBatch beginBatching(this);
|
|
|
|
// We never have to delete if selection is already collapsed
|
|
PRBool deleteSelection = PR_FALSE;
|
|
nsCOMPtr<nsIDOMNode> newSelectionParent;
|
|
PRInt32 newSelectionOffset = 0;
|
|
|
|
// Source doc is null if source is *not* the current editor document
|
|
nsCOMPtr<nsIDOMDocument> srcdomdoc;
|
|
rv = dragSession->GetSourceDocument(getter_AddRefs(srcdomdoc));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
PRUint32 i;
|
|
PRBool doPlaceCaret = PR_TRUE;
|
|
for (i = 0; i < numItems; ++i)
|
|
{
|
|
rv = dragSession->GetData(trans, i);
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (!trans) return NS_OK; // NS_ERROR_FAILURE; Should we fail?
|
|
|
|
// get additional html copy hints, if present
|
|
nsAutoString contextStr, infoStr;
|
|
nsCOMPtr<nsISupports> contextDataObj, infoDataObj;
|
|
PRUint32 contextLen, infoLen;
|
|
nsCOMPtr<nsISupportsString> textDataObj;
|
|
|
|
nsCOMPtr<nsITransferable> contextTrans =
|
|
do_CreateInstance("@mozilla.org/widget/transferable;1");
|
|
NS_ENSURE_TRUE(contextTrans, NS_ERROR_NULL_POINTER);
|
|
contextTrans->AddDataFlavor(kHTMLContext);
|
|
dragSession->GetData(contextTrans, i);
|
|
contextTrans->GetTransferData(kHTMLContext, getter_AddRefs(contextDataObj), &contextLen);
|
|
|
|
nsCOMPtr<nsITransferable> infoTrans =
|
|
do_CreateInstance("@mozilla.org/widget/transferable;1");
|
|
NS_ENSURE_TRUE(infoTrans, NS_ERROR_NULL_POINTER);
|
|
infoTrans->AddDataFlavor(kHTMLInfo);
|
|
dragSession->GetData(infoTrans, i);
|
|
infoTrans->GetTransferData(kHTMLInfo, getter_AddRefs(infoDataObj), &infoLen);
|
|
|
|
if (contextDataObj)
|
|
{
|
|
nsAutoString text;
|
|
textDataObj = do_QueryInterface(contextDataObj);
|
|
textDataObj->GetData(text);
|
|
NS_ASSERTION(text.Length() <= (contextLen/2), "Invalid length!");
|
|
contextStr.Assign(text.get(), contextLen / 2);
|
|
}
|
|
|
|
if (infoDataObj)
|
|
{
|
|
nsAutoString text;
|
|
textDataObj = do_QueryInterface(infoDataObj);
|
|
textDataObj->GetData(text);
|
|
NS_ASSERTION(text.Length() <= (infoLen/2), "Invalid length!");
|
|
infoStr.Assign(text.get(), infoLen / 2);
|
|
}
|
|
|
|
if (doPlaceCaret)
|
|
{
|
|
// check if the user pressed the key to force a copy rather than a move
|
|
// if we run into problems here, we'll just assume the user doesn't want a copy
|
|
PRBool userWantsCopy = PR_FALSE;
|
|
|
|
nsCOMPtr<nsIDOMNSUIEvent> nsuiEvent(do_QueryInterface(aDropEvent));
|
|
if (!nsuiEvent) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMMouseEvent> mouseEvent(do_QueryInterface(aDropEvent));
|
|
if (mouseEvent)
|
|
|
|
#if defined(XP_MAC) || defined(XP_MACOSX)
|
|
mouseEvent->GetAltKey(&userWantsCopy);
|
|
#else
|
|
mouseEvent->GetCtrlKey(&userWantsCopy);
|
|
#endif
|
|
|
|
// Current doc is destination
|
|
nsCOMPtr<nsIDOMDocument>destdomdoc;
|
|
rv = GetDocument(getter_AddRefs(destdomdoc));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
rv = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (!selection) return NS_ERROR_FAILURE;
|
|
|
|
PRBool isCollapsed;
|
|
rv = selection->GetIsCollapsed(&isCollapsed);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// Parent and offset under the mouse cursor
|
|
rv = nsuiEvent->GetRangeParent(getter_AddRefs(newSelectionParent));
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (!newSelectionParent) return NS_ERROR_FAILURE;
|
|
|
|
rv = nsuiEvent->GetRangeOffset(&newSelectionOffset);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// XXX: This userSelectNode code is a workaround for bug 195957.
|
|
//
|
|
// Check to see if newSelectionParent is part of a "-moz-user-select: all"
|
|
// subtree. If it is, we need to make sure we don't drop into it!
|
|
|
|
nsCOMPtr<nsIDOMNode> userSelectNode = FindUserSelectAllNode(newSelectionParent);
|
|
|
|
if (userSelectNode)
|
|
{
|
|
// The drop is happening over a "-moz-user-select: all"
|
|
// subtree so make sure the content we insert goes before
|
|
// the root of the subtree.
|
|
//
|
|
// XXX: Note that inserting before the subtree matches the
|
|
// current behavior when dropping on top of an image.
|
|
// The decision for dropping before or after the
|
|
// subtree should really be done based on coordinates.
|
|
|
|
rv = GetNodeLocation(userSelectNode, address_of(newSelectionParent),
|
|
&newSelectionOffset);
|
|
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (!newSelectionParent) return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// We never have to delete if selection is already collapsed
|
|
PRBool cursorIsInSelection = PR_FALSE;
|
|
|
|
// Check if mouse is in the selection
|
|
if (!isCollapsed)
|
|
{
|
|
PRInt32 rangeCount;
|
|
rv = selection->GetRangeCount(&rangeCount);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
for (PRInt32 j = 0; j < rangeCount; j++)
|
|
{
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
|
|
rv = selection->GetRangeAt(j, getter_AddRefs(range));
|
|
if (NS_FAILED(rv) || !range)
|
|
continue;//dont bail yet, iterate through them all
|
|
|
|
nsCOMPtr<nsIDOMNSRange> nsrange(do_QueryInterface(range));
|
|
if (NS_FAILED(rv) || !nsrange)
|
|
continue;//dont bail yet, iterate through them all
|
|
|
|
rv = nsrange->IsPointInRange(newSelectionParent, newSelectionOffset, &cursorIsInSelection);
|
|
if(cursorIsInSelection)
|
|
break;
|
|
}
|
|
if (cursorIsInSelection)
|
|
{
|
|
// Dragging within same doc can't drop on itself -- leave!
|
|
// (We shouldn't get here - drag event shouldn't have started if over selection)
|
|
if (srcdomdoc == destdomdoc)
|
|
return NS_OK;
|
|
|
|
// Dragging from another window onto a selection
|
|
// XXX Decision made to NOT do this,
|
|
// note that 4.x does replace if dropped on
|
|
//deleteSelection = PR_TRUE;
|
|
}
|
|
else
|
|
{
|
|
// We are NOT over the selection
|
|
if (srcdomdoc == destdomdoc)
|
|
{
|
|
// Within the same doc: delete if user doesn't want to copy
|
|
deleteSelection = !userWantsCopy;
|
|
}
|
|
else
|
|
{
|
|
// Different source doc: Don't delete
|
|
deleteSelection = PR_FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
// We have to figure out whether to delete/relocate caret only once
|
|
doPlaceCaret = PR_FALSE;
|
|
}
|
|
|
|
// handle transferable hooks
|
|
if (!nsEditorHookUtils::DoInsertionHook(domdoc, aDropEvent, trans))
|
|
return NS_OK;
|
|
|
|
rv = InsertFromTransferable(trans, srcdomdoc, contextStr, infoStr,
|
|
newSelectionParent,
|
|
newSelectionOffset, deleteSelection);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::CanDrag(nsIDOMEvent *aDragEvent, PRBool *aCanDrag)
|
|
{
|
|
return nsPlaintextEditor::CanDrag(aDragEvent, aCanDrag);
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::PutDragDataInTransferable(nsITransferable **aTransferable)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aTransferable);
|
|
*aTransferable = nsnull;
|
|
nsCOMPtr<nsIDocumentEncoder> docEncoder;
|
|
nsresult rv = SetupDocEncoder(getter_AddRefs(docEncoder));
|
|
if (NS_FAILED(rv)) return rv;
|
|
NS_ENSURE_TRUE(docEncoder, NS_ERROR_FAILURE);
|
|
|
|
// grab a string
|
|
nsAutoString buffer, parents, info;
|
|
|
|
// find out if we're a plaintext control or not
|
|
PRUint32 editorFlags = 0;
|
|
rv = GetFlags(&editorFlags);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
PRBool bIsPlainTextControl = ((editorFlags & eEditorPlaintextMask) != 0);
|
|
if (!bIsPlainTextControl)
|
|
{
|
|
// encode the selection as html with contextual info
|
|
rv = docEncoder->EncodeToStringWithContext(buffer, parents, info);
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
else
|
|
{
|
|
// encode the selection
|
|
rv = docEncoder->EncodeToString(buffer);
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
|
|
// if we have an empty string, we're done; otherwise continue
|
|
if ( buffer.IsEmpty() )
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsISupportsString> dataWrapper, contextWrapper, infoWrapper;
|
|
|
|
dataWrapper = do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = dataWrapper->SetData(buffer);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
/* create html flavor transferable */
|
|
nsCOMPtr<nsITransferable> trans = do_CreateInstance("@mozilla.org/widget/transferable;1");
|
|
NS_ENSURE_TRUE(trans, NS_ERROR_FAILURE);
|
|
|
|
if (bIsPlainTextControl)
|
|
{
|
|
// Add the unicode flavor to the transferable
|
|
rv = trans->AddDataFlavor(kUnicodeMime);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// QI the data object an |nsISupports| so that when the transferable holds
|
|
// onto it, it will addref the correct interface.
|
|
nsCOMPtr<nsISupports> genericDataObj(do_QueryInterface(dataWrapper));
|
|
rv = trans->SetTransferData(kUnicodeMime, genericDataObj,
|
|
buffer.Length() * sizeof(PRUnichar));
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
else
|
|
{
|
|
contextWrapper = do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID);
|
|
NS_ENSURE_TRUE(contextWrapper, NS_ERROR_FAILURE);
|
|
infoWrapper = do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID);
|
|
NS_ENSURE_TRUE(infoWrapper, NS_ERROR_FAILURE);
|
|
|
|
contextWrapper->SetData(parents);
|
|
infoWrapper->SetData(info);
|
|
|
|
rv = trans->AddDataFlavor(kHTMLMime);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsCOMPtr<nsIFormatConverter> htmlConverter =
|
|
do_CreateInstance("@mozilla.org/widget/htmlformatconverter;1");
|
|
NS_ENSURE_TRUE(htmlConverter, NS_ERROR_FAILURE);
|
|
|
|
rv = trans->SetConverter(htmlConverter);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsCOMPtr<nsISupports> genericDataObj(do_QueryInterface(dataWrapper));
|
|
rv = trans->SetTransferData(kHTMLMime, genericDataObj,
|
|
buffer.Length() * sizeof(PRUnichar));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
if (!parents.IsEmpty())
|
|
{
|
|
// Add the htmlcontext DataFlavor to the transferable
|
|
trans->AddDataFlavor(kHTMLContext);
|
|
genericDataObj = do_QueryInterface(contextWrapper);
|
|
trans->SetTransferData(kHTMLContext, genericDataObj,
|
|
parents.Length() * sizeof(PRUnichar));
|
|
}
|
|
if (!info.IsEmpty())
|
|
{
|
|
// Add the htmlinfo DataFlavor to the transferable
|
|
trans->AddDataFlavor(kHTMLInfo);
|
|
genericDataObj = do_QueryInterface(infoWrapper);
|
|
trans->SetTransferData(kHTMLInfo, genericDataObj,
|
|
info.Length() * sizeof(PRUnichar));
|
|
}
|
|
}
|
|
|
|
*aTransferable = trans;
|
|
NS_ADDREF(*aTransferable);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::DoDrag(nsIDOMEvent *aDragEvent)
|
|
{
|
|
return nsPlaintextEditor::DoDrag(aDragEvent);
|
|
}
|
|
|
|
PRBool nsHTMLEditor::HavePrivateHTMLFlavor(nsIClipboard *aClipboard)
|
|
{
|
|
// check the clipboard for our special kHTMLContext flavor. If that is there, we know
|
|
// we have our own internal html format on clipboard.
|
|
|
|
if (!aClipboard) return PR_FALSE;
|
|
PRBool bHavePrivateHTMLFlavor = PR_FALSE;
|
|
nsCOMPtr<nsISupportsArray> flavArray;
|
|
|
|
nsresult res = NS_NewISupportsArray(getter_AddRefs(flavArray));
|
|
if (NS_FAILED(res)) return PR_FALSE;
|
|
|
|
nsCOMPtr<nsISupportsCString> contextString = do_CreateInstance(NS_SUPPORTS_CSTRING_CONTRACTID);
|
|
if (!contextString) return PR_FALSE;
|
|
|
|
contextString->SetData(NS_LITERAL_CSTRING(kHTMLContext));
|
|
|
|
flavArray->AppendElement(contextString);
|
|
|
|
if (NS_SUCCEEDED(aClipboard->HasDataMatchingFlavors (flavArray, nsIClipboard::kGlobalClipboard, &bHavePrivateHTMLFlavor )))
|
|
return bHavePrivateHTMLFlavor;
|
|
|
|
return PR_FALSE;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::Paste(PRInt32 aSelectionType)
|
|
{
|
|
ForceCompositionEnd();
|
|
|
|
// Get Clipboard Service
|
|
nsresult rv;
|
|
nsCOMPtr<nsIClipboard> clipboard(do_GetService("@mozilla.org/widget/clipboard;1", &rv));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// find out if we have our internal html flavor on the clipboard. We don't want to mess
|
|
// around with cfhtml if we do.
|
|
PRBool bHavePrivateHTMLFlavor = HavePrivateHTMLFlavor(clipboard);
|
|
|
|
// Get the nsITransferable interface for getting the data from the clipboard
|
|
nsCOMPtr<nsITransferable> trans;
|
|
rv = PrepareHTMLTransferable(getter_AddRefs(trans), bHavePrivateHTMLFlavor);
|
|
if (NS_SUCCEEDED(rv) && trans)
|
|
{
|
|
// Get the Data from the clipboard
|
|
if (NS_SUCCEEDED(clipboard->GetData(trans, aSelectionType)) && IsModifiable())
|
|
{
|
|
// also get additional html copy hints, if present
|
|
nsAutoString contextStr, infoStr;
|
|
|
|
// also get additional html copy hints, if present
|
|
if (bHavePrivateHTMLFlavor)
|
|
{
|
|
nsCOMPtr<nsISupports> contextDataObj, infoDataObj;
|
|
PRUint32 contextLen, infoLen;
|
|
nsCOMPtr<nsISupportsString> textDataObj;
|
|
|
|
nsCOMPtr<nsITransferable> contextTrans =
|
|
do_CreateInstance("@mozilla.org/widget/transferable;1");
|
|
NS_ENSURE_TRUE(contextTrans, NS_ERROR_NULL_POINTER);
|
|
contextTrans->AddDataFlavor(kHTMLContext);
|
|
clipboard->GetData(contextTrans, aSelectionType);
|
|
contextTrans->GetTransferData(kHTMLContext, getter_AddRefs(contextDataObj), &contextLen);
|
|
|
|
nsCOMPtr<nsITransferable> infoTrans =
|
|
do_CreateInstance("@mozilla.org/widget/transferable;1");
|
|
NS_ENSURE_TRUE(infoTrans, NS_ERROR_NULL_POINTER);
|
|
infoTrans->AddDataFlavor(kHTMLInfo);
|
|
clipboard->GetData(infoTrans, aSelectionType);
|
|
infoTrans->GetTransferData(kHTMLInfo, getter_AddRefs(infoDataObj), &infoLen);
|
|
|
|
if (contextDataObj)
|
|
{
|
|
nsAutoString text;
|
|
textDataObj = do_QueryInterface(contextDataObj);
|
|
textDataObj->GetData(text);
|
|
NS_ASSERTION(text.Length() <= (contextLen/2), "Invalid length!");
|
|
contextStr.Assign(text.get(), contextLen / 2);
|
|
}
|
|
|
|
if (infoDataObj)
|
|
{
|
|
nsAutoString text;
|
|
textDataObj = do_QueryInterface(infoDataObj);
|
|
textDataObj->GetData(text);
|
|
NS_ASSERTION(text.Length() <= (infoLen/2), "Invalid length!");
|
|
infoStr.Assign(text.get(), infoLen / 2);
|
|
}
|
|
}
|
|
|
|
// handle transferable hooks
|
|
nsCOMPtr<nsIDOMDocument> domdoc;
|
|
GetDocument(getter_AddRefs(domdoc));
|
|
if (!nsEditorHookUtils::DoInsertionHook(domdoc, nsnull, trans))
|
|
return NS_OK;
|
|
|
|
rv = InsertFromTransferable(trans, nsnull, contextStr, infoStr,
|
|
nsnull, 0, PR_TRUE);
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
//
|
|
// HTML PasteNoFormatting. Ignore any HTML styles and formating in paste source
|
|
//
|
|
NS_IMETHODIMP nsHTMLEditor::PasteNoFormatting(PRInt32 aSelectionType)
|
|
{
|
|
ForceCompositionEnd();
|
|
|
|
// Get Clipboard Service
|
|
nsresult rv;
|
|
nsCOMPtr<nsIClipboard> clipboard(do_GetService("@mozilla.org/widget/clipboard;1", &rv));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// Get the nsITransferable interface for getting the data from the clipboard.
|
|
// use nsPlaintextEditor::PrepareTransferable() to force unicode plaintext data.
|
|
nsCOMPtr<nsITransferable> trans;
|
|
rv = nsPlaintextEditor::PrepareTransferable(getter_AddRefs(trans));
|
|
if (NS_SUCCEEDED(rv) && trans)
|
|
{
|
|
// Get the Data from the clipboard
|
|
if (NS_SUCCEEDED(clipboard->GetData(trans, aSelectionType)) && IsModifiable())
|
|
{
|
|
const nsAFlatString& empty = EmptyString();
|
|
rv = InsertFromTransferable(trans, nsnull, empty, empty, nsnull, 0,
|
|
PR_TRUE);
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::CanPaste(PRInt32 aSelectionType, PRBool *aCanPaste)
|
|
{
|
|
if (!aCanPaste)
|
|
return NS_ERROR_NULL_POINTER;
|
|
*aCanPaste = PR_FALSE;
|
|
|
|
// can't paste if readonly
|
|
if (!IsModifiable())
|
|
return NS_OK;
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsIClipboard> clipboard(do_GetService("@mozilla.org/widget/clipboard;1", &rv));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// the flavors that we can deal with
|
|
const char* const textEditorFlavors[] = { kUnicodeMime, nsnull };
|
|
const char* const htmlEditorFlavors[] = { kHTMLMime, kJPEGImageMime, nsnull };
|
|
|
|
nsCOMPtr<nsISupportsArray> flavorsList =
|
|
do_CreateInstance(NS_SUPPORTSARRAY_CONTRACTID, &rv);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
PRUint32 editorFlags;
|
|
GetFlags(&editorFlags);
|
|
|
|
// add the flavors for all editors
|
|
for (const char* const* flavor = textEditorFlavors; *flavor; flavor++)
|
|
{
|
|
nsCOMPtr<nsISupportsCString> flavorString = do_CreateInstance(NS_SUPPORTS_CSTRING_CONTRACTID);
|
|
if (flavorString)
|
|
{
|
|
flavorString->SetData(nsDependentCString(*flavor));
|
|
flavorsList->AppendElement(flavorString);
|
|
}
|
|
}
|
|
|
|
// add the HTML-editor only flavors
|
|
if ((editorFlags & eEditorPlaintextMask) == 0)
|
|
{
|
|
for (const char* const* htmlFlavor = htmlEditorFlavors;
|
|
*htmlFlavor;
|
|
htmlFlavor++)
|
|
{
|
|
nsCOMPtr<nsISupportsCString> flavorString = do_CreateInstance(NS_SUPPORTS_CSTRING_CONTRACTID);
|
|
if (flavorString)
|
|
{
|
|
flavorString->SetData(nsDependentCString(*htmlFlavor));
|
|
flavorsList->AppendElement(flavorString);
|
|
}
|
|
}
|
|
}
|
|
|
|
PRBool haveFlavors;
|
|
rv = clipboard->HasDataMatchingFlavors(flavorsList, aSelectionType, &haveFlavors);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
*aCanPaste = haveFlavors;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//
|
|
// HTML PasteAsQuotation: Paste in a blockquote type=cite
|
|
//
|
|
NS_IMETHODIMP nsHTMLEditor::PasteAsQuotation(PRInt32 aSelectionType)
|
|
{
|
|
if (mFlags & eEditorPlaintextMask)
|
|
return PasteAsPlaintextQuotation(aSelectionType);
|
|
|
|
nsAutoString citation;
|
|
return PasteAsCitedQuotation(citation, aSelectionType);
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::PasteAsCitedQuotation(const nsAString & aCitation,
|
|
PRInt32 aSelectionType)
|
|
{
|
|
nsAutoEditBatch beginBatching(this);
|
|
nsAutoRules beginRulesSniffing(this, kOpInsertQuotation, nsIEditor::eNext);
|
|
|
|
// get selection
|
|
nsCOMPtr<nsISelection> selection;
|
|
nsresult res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
|
|
// give rules a chance to handle or cancel
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kInsertElement);
|
|
PRBool cancel, handled;
|
|
res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
|
|
if (NS_FAILED(res)) return res;
|
|
if (cancel) return NS_OK; // rules canceled the operation
|
|
if (!handled)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> newNode;
|
|
res = DeleteSelectionAndCreateNode(NS_LITERAL_STRING("blockquote"), getter_AddRefs(newNode));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!newNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
// Try to set type=cite. Ignore it if this fails.
|
|
nsCOMPtr<nsIDOMElement> newElement (do_QueryInterface(newNode));
|
|
if (newElement)
|
|
{
|
|
newElement->SetAttribute(NS_LITERAL_STRING("type"), NS_LITERAL_STRING("cite"));
|
|
}
|
|
|
|
// Set the selection to the underneath the node we just inserted:
|
|
res = selection->Collapse(newNode, 0);
|
|
if (NS_FAILED(res))
|
|
{
|
|
#ifdef DEBUG_akkana
|
|
printf("Couldn't collapse");
|
|
#endif
|
|
// XXX: error result: should res be returned here?
|
|
}
|
|
|
|
res = Paste(aSelectionType);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
//
|
|
// Paste a plaintext quotation
|
|
//
|
|
NS_IMETHODIMP nsHTMLEditor::PasteAsPlaintextQuotation(PRInt32 aSelectionType)
|
|
{
|
|
// Get Clipboard Service
|
|
nsresult rv;
|
|
nsCOMPtr<nsIClipboard> clipboard(do_GetService("@mozilla.org/widget/clipboard;1", &rv));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// Create generic Transferable for getting the data
|
|
nsCOMPtr<nsITransferable> trans =
|
|
do_CreateInstance("@mozilla.org/widget/transferable;1", &rv);
|
|
if (NS_SUCCEEDED(rv) && trans)
|
|
{
|
|
// We only handle plaintext pastes here
|
|
trans->AddDataFlavor(kUnicodeMime);
|
|
|
|
// Get the Data from the clipboard
|
|
clipboard->GetData(trans, aSelectionType);
|
|
|
|
// Now we ask the transferable for the data
|
|
// it still owns the data, we just have a pointer to it.
|
|
// If it can't support a "text" output of the data the call will fail
|
|
nsCOMPtr<nsISupports> genericDataObj;
|
|
PRUint32 len = 0;
|
|
char* flav = 0;
|
|
rv = trans->GetAnyTransferData(&flav, getter_AddRefs(genericDataObj),
|
|
&len);
|
|
if (NS_FAILED(rv))
|
|
{
|
|
#ifdef DEBUG_akkana
|
|
printf("PasteAsPlaintextQuotation: GetAnyTransferData failed, %d\n", rv);
|
|
#endif
|
|
return rv;
|
|
}
|
|
|
|
if (flav && 0 == nsCRT::strcmp((flav), kUnicodeMime))
|
|
{
|
|
#ifdef DEBUG_clipboard
|
|
printf("Got flavor [%s]\n", flav);
|
|
#endif
|
|
nsCOMPtr<nsISupportsString> textDataObj(do_QueryInterface(genericDataObj));
|
|
if (textDataObj && len > 0)
|
|
{
|
|
nsAutoString stuffToPaste;
|
|
textDataObj->GetData(stuffToPaste);
|
|
NS_ASSERTION(stuffToPaste.Length() <= (len/2), "Invalid length!");
|
|
nsAutoEditBatch beginBatching(this);
|
|
rv = InsertAsPlaintextQuotation(stuffToPaste, PR_TRUE, 0);
|
|
}
|
|
}
|
|
NS_Free(flav);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::InsertTextWithQuotations(const nsAString &aStringToInsert)
|
|
{
|
|
if (mWrapToWindow)
|
|
return InsertText(aStringToInsert);
|
|
|
|
// The whole operation should be undoable in one transaction:
|
|
BeginTransaction();
|
|
|
|
// We're going to loop over the string, collecting up a "hunk"
|
|
// that's all the same type (quoted or not),
|
|
// Whenever the quotedness changes (or we reach the string's end)
|
|
// we will insert the hunk all at once, quoted or non.
|
|
|
|
static const PRUnichar cite('>');
|
|
PRBool curHunkIsQuoted = (aStringToInsert.First() == cite);
|
|
|
|
nsAString::const_iterator hunkStart, strEnd;
|
|
aStringToInsert.BeginReading(hunkStart);
|
|
aStringToInsert.EndReading(strEnd);
|
|
|
|
// In the loop below, we only look for DOM newlines (\n),
|
|
// because we don't have a FindChars method that can look
|
|
// for both \r and \n. \r is illegal in the dom anyway,
|
|
// but in debug builds, let's take the time to verify that
|
|
// there aren't any there:
|
|
#ifdef DEBUG
|
|
nsAString::const_iterator dbgStart (hunkStart);
|
|
if (FindCharInReadable('\r', dbgStart, strEnd))
|
|
NS_ASSERTION(PR_FALSE,
|
|
"Return characters in DOM! InsertTextWithQuotations may be wrong");
|
|
#endif /* DEBUG */
|
|
|
|
// Loop over lines:
|
|
nsresult rv = NS_OK;
|
|
nsAString::const_iterator lineStart (hunkStart);
|
|
while (1) // we will break from inside when we run out of newlines
|
|
{
|
|
// Search for the end of this line (dom newlines, see above):
|
|
PRBool found = FindCharInReadable('\n', lineStart, strEnd);
|
|
PRBool quoted = PR_FALSE;
|
|
if (found)
|
|
{
|
|
// if there's another newline, lineStart now points there.
|
|
// Loop over any consecutive newline chars:
|
|
nsAString::const_iterator firstNewline (lineStart);
|
|
while (*lineStart == '\n')
|
|
++lineStart;
|
|
quoted = (*lineStart == cite);
|
|
if (quoted == curHunkIsQuoted)
|
|
continue;
|
|
// else we're changing state, so we need to insert
|
|
// from curHunk to lineStart then loop around.
|
|
|
|
// But if the current hunk is quoted, then we want to make sure
|
|
// that any extra newlines on the end do not get included in
|
|
// the quoted section: blank lines flaking a quoted section
|
|
// should be considered unquoted, so that if the user clicks
|
|
// there and starts typing, the new text will be outside of
|
|
// the quoted block.
|
|
if (curHunkIsQuoted)
|
|
lineStart = firstNewline;
|
|
}
|
|
|
|
// If no newline found, lineStart is now strEnd and we can finish up,
|
|
// inserting from curHunk to lineStart then returning.
|
|
const nsAString &curHunk = Substring(hunkStart, lineStart);
|
|
nsCOMPtr<nsIDOMNode> dummyNode;
|
|
#ifdef DEBUG_akkana_verbose
|
|
printf("==== Inserting text as %squoted: ---\n%s---\n",
|
|
curHunkIsQuoted ? "" : "non-",
|
|
NS_LossyConvertUCS2toASCII(curHunk).get());
|
|
#endif
|
|
if (curHunkIsQuoted)
|
|
rv = InsertAsPlaintextQuotation(curHunk, PR_FALSE,
|
|
getter_AddRefs(dummyNode));
|
|
else
|
|
rv = InsertText(curHunk);
|
|
|
|
if (!found)
|
|
break;
|
|
|
|
curHunkIsQuoted = quoted;
|
|
hunkStart = lineStart;
|
|
}
|
|
|
|
EndTransaction();
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::InsertAsQuotation(const nsAString & aQuotedText,
|
|
nsIDOMNode **aNodeInserted)
|
|
{
|
|
if (mFlags & eEditorPlaintextMask)
|
|
return InsertAsPlaintextQuotation(aQuotedText, PR_TRUE, aNodeInserted);
|
|
|
|
nsAutoString citation;
|
|
return InsertAsCitedQuotation(aQuotedText, citation, PR_FALSE,
|
|
aNodeInserted);
|
|
}
|
|
|
|
// Insert plaintext as a quotation, with cite marks (e.g. "> ").
|
|
// This differs from its corresponding method in nsPlaintextEditor
|
|
// in that here, quoted material is enclosed in a <pre> tag
|
|
// in order to preserve the original line wrapping.
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::InsertAsPlaintextQuotation(const nsAString & aQuotedText,
|
|
PRBool aAddCites,
|
|
nsIDOMNode **aNodeInserted)
|
|
{
|
|
if (mWrapToWindow)
|
|
return nsPlaintextEditor::InsertAsQuotation(aQuotedText, aNodeInserted);
|
|
|
|
nsresult rv;
|
|
|
|
// The quotesPreformatted pref is a temporary measure. See bug 69638.
|
|
// Eventually we'll pick one way or the other.
|
|
PRBool quotesInPre;
|
|
nsCOMPtr<nsIPrefBranch> prefBranch =
|
|
do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
|
|
if (NS_SUCCEEDED(rv) && prefBranch)
|
|
prefBranch->GetBoolPref("editor.quotesPreformatted", "esInPre);
|
|
|
|
nsCOMPtr<nsIDOMNode> preNode;
|
|
// get selection
|
|
nsCOMPtr<nsISelection> selection;
|
|
rv = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
else
|
|
{
|
|
nsAutoEditBatch beginBatching(this);
|
|
nsAutoRules beginRulesSniffing(this, kOpInsertQuotation, nsIEditor::eNext);
|
|
|
|
// give rules a chance to handle or cancel
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kInsertElement);
|
|
PRBool cancel, handled;
|
|
rv = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (cancel) return NS_OK; // rules canceled the operation
|
|
if (!handled)
|
|
{
|
|
// Wrap the inserted quote in a <pre> so it won't be wrapped:
|
|
nsAutoString tag;
|
|
if (quotesInPre)
|
|
tag.AssignLiteral("pre");
|
|
else
|
|
tag.AssignLiteral("span");
|
|
|
|
rv = DeleteSelectionAndCreateNode(tag, getter_AddRefs(preNode));
|
|
|
|
// If this succeeded, then set selection inside the pre
|
|
// so the inserted text will end up there.
|
|
// If it failed, we don't care what the return value was,
|
|
// but we'll fall through and try to insert the text anyway.
|
|
if (NS_SUCCEEDED(rv) && preNode)
|
|
{
|
|
// Add an attribute on the pre node so we'll know it's a quotation.
|
|
// Do this after the insertion, so that
|
|
nsCOMPtr<nsIDOMElement> preElement (do_QueryInterface(preNode));
|
|
if (preElement)
|
|
{
|
|
preElement->SetAttribute(NS_LITERAL_STRING("_moz_quote"),
|
|
NS_LITERAL_STRING("true"));
|
|
if (quotesInPre)
|
|
{
|
|
// set style to not have unwanted vertical margins
|
|
preElement->SetAttribute(NS_LITERAL_STRING("style"),
|
|
NS_LITERAL_STRING("margin: 0 0 0 0px;"));
|
|
}
|
|
else
|
|
{
|
|
// turn off wrapping on spans
|
|
preElement->SetAttribute(NS_LITERAL_STRING("style"),
|
|
NS_LITERAL_STRING("white-space: pre;"));
|
|
}
|
|
}
|
|
|
|
// and set the selection inside it:
|
|
selection->Collapse(preNode, 0);
|
|
}
|
|
|
|
if (aAddCites)
|
|
rv = nsPlaintextEditor::InsertAsQuotation(aQuotedText, aNodeInserted);
|
|
else
|
|
rv = nsPlaintextEditor::InsertText(aQuotedText);
|
|
// Note that if !aAddCites, aNodeInserted isn't set.
|
|
// That's okay because the routines that use aAddCites
|
|
// don't need to know the inserted node.
|
|
|
|
if (aNodeInserted && NS_SUCCEEDED(rv))
|
|
{
|
|
*aNodeInserted = preNode;
|
|
NS_IF_ADDREF(*aNodeInserted);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set the selection to just after the inserted node:
|
|
if (NS_SUCCEEDED(rv) && preNode)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
PRInt32 offset;
|
|
if (NS_SUCCEEDED(GetNodeLocation(preNode, address_of(parent), &offset)) && parent)
|
|
selection->Collapse(parent, offset+1);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::StripCites()
|
|
{
|
|
return nsPlaintextEditor::StripCites();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::Rewrap(PRBool aRespectNewlines)
|
|
{
|
|
return nsPlaintextEditor::Rewrap(aRespectNewlines);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::InsertAsCitedQuotation(const nsAString & aQuotedText,
|
|
const nsAString & aCitation,
|
|
PRBool aInsertHTML,
|
|
nsIDOMNode **aNodeInserted)
|
|
{
|
|
// Don't let anyone insert html into a "plaintext" editor:
|
|
if (mFlags & eEditorPlaintextMask)
|
|
{
|
|
NS_ASSERTION(!aInsertHTML, "InsertAsCitedQuotation: trying to insert html into plaintext editor");
|
|
return InsertAsPlaintextQuotation(aQuotedText, PR_TRUE, aNodeInserted);
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMNode> newNode;
|
|
nsresult res = NS_OK;
|
|
|
|
// get selection
|
|
nsCOMPtr<nsISelection> selection;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
else
|
|
{
|
|
nsAutoEditBatch beginBatching(this);
|
|
nsAutoRules beginRulesSniffing(this, kOpInsertQuotation, nsIEditor::eNext);
|
|
|
|
// give rules a chance to handle or cancel
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kInsertElement);
|
|
PRBool cancel, handled;
|
|
res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
|
|
if (NS_FAILED(res)) return res;
|
|
if (cancel) return NS_OK; // rules canceled the operation
|
|
if (!handled)
|
|
{
|
|
res = DeleteSelectionAndCreateNode(NS_LITERAL_STRING("blockquote"), getter_AddRefs(newNode));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!newNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
// Try to set type=cite. Ignore it if this fails.
|
|
nsCOMPtr<nsIDOMElement> newElement (do_QueryInterface(newNode));
|
|
if (newElement)
|
|
{
|
|
NS_NAMED_LITERAL_STRING(citestr, "cite");
|
|
newElement->SetAttribute(NS_LITERAL_STRING("type"), citestr);
|
|
|
|
if (!aCitation.IsEmpty())
|
|
newElement->SetAttribute(citestr, aCitation);
|
|
|
|
// Set the selection inside the blockquote so aQuotedText will go there:
|
|
selection->Collapse(newNode, 0);
|
|
}
|
|
|
|
if (aInsertHTML)
|
|
res = LoadHTML(aQuotedText);
|
|
|
|
else
|
|
res = InsertText(aQuotedText); // XXX ignore charset
|
|
|
|
if (aNodeInserted)
|
|
{
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
*aNodeInserted = newNode;
|
|
NS_IF_ADDREF(*aNodeInserted);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set the selection to just after the inserted node:
|
|
if (NS_SUCCEEDED(res) && newNode)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
PRInt32 offset;
|
|
if (NS_SUCCEEDED(GetNodeLocation(newNode, address_of(parent), &offset)) && parent)
|
|
selection->Collapse(parent, offset+1);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
void RemoveBodyAndHead(nsIDOMNode *aNode)
|
|
{
|
|
if (!aNode)
|
|
return;
|
|
|
|
nsCOMPtr<nsIDOMNode> tmp, child, body, head;
|
|
// find the body and head nodes if any.
|
|
// look only at immediate children of aNode.
|
|
aNode->GetFirstChild(getter_AddRefs(child));
|
|
while (child)
|
|
{
|
|
if (nsTextEditUtils::IsBody(child))
|
|
{
|
|
body = child;
|
|
}
|
|
else if (nsEditor::NodeIsType(child, nsEditProperty::head))
|
|
{
|
|
head = child;
|
|
}
|
|
child->GetNextSibling(getter_AddRefs(tmp));
|
|
child = tmp;
|
|
}
|
|
if (head)
|
|
{
|
|
aNode->RemoveChild(head, getter_AddRefs(tmp));
|
|
}
|
|
if (body)
|
|
{
|
|
body->GetFirstChild(getter_AddRefs(child));
|
|
while (child)
|
|
{
|
|
aNode->InsertBefore(child, body, getter_AddRefs(tmp));
|
|
body->GetFirstChild(getter_AddRefs(child));
|
|
}
|
|
aNode->RemoveChild(body, getter_AddRefs(tmp));
|
|
}
|
|
}
|
|
|
|
|
|
nsresult nsHTMLEditor::CreateDOMFragmentFromPaste(const nsAString &aInputString,
|
|
const nsAString & aContextStr,
|
|
const nsAString & aInfoStr,
|
|
nsCOMPtr<nsIDOMNode> *outFragNode,
|
|
PRInt32 *outRangeStartHint,
|
|
PRInt32 *outRangeEndHint)
|
|
{
|
|
if (!outFragNode || !outRangeStartHint || !outRangeEndHint)
|
|
return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIDOMDocumentFragment> docfrag;
|
|
nsCOMPtr<nsIDOMNode> contextAsNode, tmp;
|
|
nsresult res = NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
GetDocument(getter_AddRefs(domDoc));
|
|
|
|
nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
|
|
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
|
|
|
|
// if we have context info, create a fragment for that
|
|
nsVoidArray tagStack;
|
|
nsCOMPtr<nsIDOMDocumentFragment> contextfrag;
|
|
nsCOMPtr<nsIDOMNode> contextLeaf, junk;
|
|
PRInt32 contextDepth = 0;
|
|
if (!aContextStr.IsEmpty())
|
|
{
|
|
res = ParseFragment(aContextStr, tagStack, doc, address_of(contextAsNode));
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
NS_ENSURE_TRUE(contextAsNode, NS_ERROR_FAILURE);
|
|
|
|
res = StripFormattingNodes(contextAsNode);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
|
|
RemoveBodyAndHead(contextAsNode);
|
|
|
|
// cache the deepest leaf in the context
|
|
tmp = contextAsNode;
|
|
while (tmp)
|
|
{
|
|
contextDepth++;
|
|
contextLeaf = tmp;
|
|
contextLeaf->GetFirstChild(getter_AddRefs(tmp));
|
|
}
|
|
}
|
|
|
|
// get the tagstack for the context
|
|
res = CreateTagStack(tagStack, contextLeaf);
|
|
if (NS_FAILED(res))
|
|
{
|
|
FreeTagStackStrings(tagStack);
|
|
return res;
|
|
}
|
|
// create fragment for pasted html
|
|
res = ParseFragment(aInputString, tagStack, doc, outFragNode);
|
|
FreeTagStackStrings(tagStack);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
NS_ENSURE_TRUE(*outFragNode, NS_ERROR_FAILURE);
|
|
|
|
RemoveBodyAndHead(*outFragNode);
|
|
|
|
if (contextAsNode)
|
|
{
|
|
// unite the two trees
|
|
contextLeaf->AppendChild(*outFragNode, getter_AddRefs(junk));
|
|
*outFragNode = contextAsNode;
|
|
// no longer have fragmentAsNode in tree
|
|
contextDepth--;
|
|
}
|
|
|
|
res = StripFormattingNodes(*outFragNode, PR_TRUE);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
|
|
// get the infoString contents
|
|
nsAutoString numstr1, numstr2;
|
|
if (!aInfoStr.IsEmpty())
|
|
{
|
|
PRInt32 err, sep;
|
|
sep = aInfoStr.FindChar((PRUnichar)',');
|
|
numstr1 = Substring(aInfoStr, 0, sep);
|
|
numstr2 = Substring(aInfoStr, sep+1, aInfoStr.Length() - (sep+1));
|
|
*outRangeStartHint = numstr1.ToInteger(&err) + contextDepth;
|
|
*outRangeEndHint = numstr2.ToInteger(&err) + contextDepth;
|
|
}
|
|
else
|
|
{
|
|
*outRangeStartHint = contextDepth;
|
|
*outRangeEndHint = contextDepth;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult nsHTMLEditor::ParseFragment(const nsAString & aFragStr,
|
|
nsVoidArray &aTagStack,
|
|
nsIDocument* aTargetDocument,
|
|
nsCOMPtr<nsIDOMNode> *outNode)
|
|
{
|
|
// figure out if we are parsing full context or not
|
|
PRBool bContext = (aTagStack.Count()==0);
|
|
|
|
// create the parser to do the conversion.
|
|
nsresult res;
|
|
nsCOMPtr<nsIParser> parser = do_CreateInstance(kCParserCID, &res);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
NS_ENSURE_TRUE(parser, NS_ERROR_FAILURE);
|
|
|
|
// create the html fragment sink
|
|
nsCOMPtr<nsIContentSink> sink;
|
|
if (bContext)
|
|
sink = do_CreateInstance(NS_HTMLFRAGMENTSINK2_CONTRACTID);
|
|
else
|
|
sink = do_CreateInstance(NS_HTMLFRAGMENTSINK_CONTRACTID);
|
|
|
|
NS_ENSURE_TRUE(sink, NS_ERROR_FAILURE);
|
|
nsCOMPtr<nsIFragmentContentSink> fragSink(do_QueryInterface(sink));
|
|
NS_ENSURE_TRUE(fragSink, NS_ERROR_FAILURE);
|
|
|
|
fragSink->SetTargetDocument(aTargetDocument);
|
|
|
|
// parse the fragment
|
|
parser->SetContentSink(sink);
|
|
if (bContext)
|
|
parser->Parse(aFragStr, (void*)0, NS_LITERAL_CSTRING("text/html"), PR_FALSE, PR_TRUE, eDTDMode_fragment);
|
|
else
|
|
parser->ParseFragment(aFragStr, 0, aTagStack, PR_FALSE, NS_LITERAL_CSTRING("text/html"), eDTDMode_quirks);
|
|
// get the fragment node
|
|
nsCOMPtr<nsIDOMDocumentFragment> contextfrag;
|
|
res = fragSink->GetFragment(getter_AddRefs(contextfrag));
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
*outNode = do_QueryInterface(contextfrag);
|
|
|
|
return res;
|
|
}
|
|
|
|
nsresult nsHTMLEditor::CreateTagStack(nsVoidArray &aTagStack, nsIDOMNode *aNode)
|
|
{
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMNode> node= aNode;
|
|
PRBool bSeenBody = PR_FALSE;
|
|
|
|
while (node)
|
|
{
|
|
if (nsTextEditUtils::IsBody(node))
|
|
bSeenBody = PR_TRUE;
|
|
nsCOMPtr<nsIDOMNode> temp = node;
|
|
PRUint16 nodeType;
|
|
|
|
node->GetNodeType(&nodeType);
|
|
if (nsIDOMNode::ELEMENT_NODE == nodeType)
|
|
{
|
|
nsAutoString tagName;
|
|
node->GetNodeName(tagName);
|
|
// XXX Wish we didn't have to allocate here
|
|
PRUnichar* name = ToNewUnicode(tagName);
|
|
if (!name)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
aTagStack.AppendElement(name);
|
|
// printf("%s\n",NS_LossyConvertUCS2toASCII(tagName).get());
|
|
}
|
|
|
|
res = temp->GetParentNode(getter_AddRefs(node));
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
}
|
|
|
|
if (!bSeenBody)
|
|
{
|
|
PRUnichar* bodyname = ToNewUnicode(NS_LITERAL_STRING("BODY"));
|
|
aTagStack.AppendElement(bodyname);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
void nsHTMLEditor::FreeTagStackStrings(nsVoidArray &tagStack)
|
|
{
|
|
PRInt32 count = tagStack.Count();
|
|
for (PRInt32 i = 0; i < count; i++)
|
|
{
|
|
PRUnichar* str = (PRUnichar*)tagStack.ElementAt(i);
|
|
if (str) {
|
|
NS_Free(str);
|
|
}
|
|
}
|
|
}
|
|
|
|
nsresult nsHTMLEditor::CreateListOfNodesToPaste(nsIDOMNode *aFragmentAsNode,
|
|
nsCOMArray<nsIDOMNode>& outNodeList,
|
|
nsIDOMNode *aStartNode,
|
|
PRInt32 aStartOffset,
|
|
nsIDOMNode *aEndNode,
|
|
PRInt32 aEndOffset)
|
|
{
|
|
if (!aFragmentAsNode)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult res;
|
|
|
|
// if no info was provided about the boundary between context and stream,
|
|
// then assume all is stream.
|
|
if (!aStartNode)
|
|
{
|
|
PRInt32 fragLen;
|
|
res = GetLengthOfDOMNode(aFragmentAsNode, (PRUint32&)fragLen);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
|
|
aStartNode = aFragmentAsNode;
|
|
aStartOffset = 0;
|
|
aEndNode = aFragmentAsNode;
|
|
aEndOffset = fragLen;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMRange> docFragRange =
|
|
do_CreateInstance("@mozilla.org/content/range;1");
|
|
if (!docFragRange) return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
res = docFragRange->SetStart(aStartNode, aStartOffset);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
res = docFragRange->SetEnd(aEndNode, aEndOffset);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
|
|
// now use a subtree iterator over the range to create a list of nodes
|
|
nsTrivialFunctor functor;
|
|
nsDOMSubtreeIterator iter;
|
|
res = iter.Init(docFragRange);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
res = iter.AppendList(functor, outNodeList);
|
|
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::GetListAndTableParents(PRBool aEnd,
|
|
nsCOMArray<nsIDOMNode>& aListOfNodes,
|
|
nsCOMArray<nsIDOMNode>& outArray)
|
|
{
|
|
PRInt32 listCount = aListOfNodes.Count();
|
|
if (listCount <= 0)
|
|
return NS_ERROR_FAILURE; // no empty lists, please
|
|
|
|
// build up list of parents of first (or last) node in list
|
|
// that are either lists, or tables.
|
|
PRInt32 idx = 0;
|
|
if (aEnd) idx = listCount-1;
|
|
|
|
nsCOMPtr<nsIDOMNode> pNode = aListOfNodes[idx];
|
|
while (pNode)
|
|
{
|
|
if (nsHTMLEditUtils::IsList(pNode) || nsHTMLEditUtils::IsTable(pNode))
|
|
{
|
|
if (!outArray.AppendObject(pNode))
|
|
{
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
pNode->GetParentNode(getter_AddRefs(parent));
|
|
pNode = parent;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::DiscoverPartialListsAndTables(nsCOMArray<nsIDOMNode>& aPasteNodes,
|
|
nsCOMArray<nsIDOMNode>& aListsAndTables,
|
|
PRInt32 *outHighWaterMark)
|
|
{
|
|
NS_ENSURE_TRUE(outHighWaterMark, NS_ERROR_NULL_POINTER);
|
|
|
|
*outHighWaterMark = -1;
|
|
PRInt32 listAndTableParents = aListsAndTables.Count();
|
|
|
|
// scan insertion list for table elements (other than table).
|
|
PRInt32 listCount = aPasteNodes.Count();
|
|
PRInt32 j;
|
|
for (j=0; j<listCount; j++)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> curNode = aPasteNodes[j];
|
|
|
|
NS_ENSURE_TRUE(curNode, NS_ERROR_FAILURE);
|
|
if (nsHTMLEditUtils::IsTableElement(curNode) && !nsHTMLEditUtils::IsTable(curNode))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> theTable = GetTableParent(curNode);
|
|
if (theTable)
|
|
{
|
|
PRInt32 indexT = aListsAndTables.IndexOf(theTable);
|
|
if (indexT >= 0)
|
|
{
|
|
*outHighWaterMark = indexT;
|
|
if (*outHighWaterMark == listAndTableParents-1) break;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (nsHTMLEditUtils::IsListItem(curNode))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> theList = GetListParent(curNode);
|
|
if (theList)
|
|
{
|
|
PRInt32 indexL = aListsAndTables.IndexOf(theList);
|
|
if (indexL >= 0)
|
|
{
|
|
*outHighWaterMark = indexL;
|
|
if (*outHighWaterMark == listAndTableParents-1) break;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::ScanForListAndTableStructure( PRBool aEnd,
|
|
nsCOMArray<nsIDOMNode>& aNodes,
|
|
nsIDOMNode *aListOrTable,
|
|
nsCOMPtr<nsIDOMNode> *outReplaceNode)
|
|
{
|
|
NS_ENSURE_TRUE(aListOrTable, NS_ERROR_NULL_POINTER);
|
|
NS_ENSURE_TRUE(outReplaceNode, NS_ERROR_NULL_POINTER);
|
|
|
|
*outReplaceNode = 0;
|
|
|
|
// look upward from first/last paste node for a piece of this list/table
|
|
PRInt32 listCount = aNodes.Count(), idx = 0;
|
|
if (aEnd) idx = listCount-1;
|
|
PRBool bList = nsHTMLEditUtils::IsList(aListOrTable);
|
|
|
|
nsCOMPtr<nsIDOMNode> pNode = aNodes[idx];
|
|
nsCOMPtr<nsIDOMNode> originalNode = pNode;
|
|
while (pNode)
|
|
{
|
|
if ( (bList && nsHTMLEditUtils::IsListItem(pNode)) ||
|
|
(!bList && (nsHTMLEditUtils::IsTableElement(pNode) && !nsHTMLEditUtils::IsTable(pNode))) )
|
|
{
|
|
nsCOMPtr<nsIDOMNode> structureNode;
|
|
if (bList) structureNode = GetListParent(pNode);
|
|
else structureNode = GetTableParent(pNode);
|
|
if (structureNode == aListOrTable)
|
|
{
|
|
if (bList)
|
|
*outReplaceNode = structureNode;
|
|
else
|
|
*outReplaceNode = pNode;
|
|
break;
|
|
}
|
|
}
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
pNode->GetParentNode(getter_AddRefs(parent));
|
|
pNode = parent;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::ReplaceOrphanedStructure(PRBool aEnd,
|
|
nsCOMArray<nsIDOMNode>& aNodeArray,
|
|
nsCOMArray<nsIDOMNode>& aListAndTableArray,
|
|
PRInt32 aHighWaterMark)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> curNode = aListAndTableArray[aHighWaterMark];
|
|
NS_ENSURE_TRUE(curNode, NS_ERROR_NULL_POINTER);
|
|
|
|
nsCOMPtr<nsIDOMNode> replaceNode, originalNode;
|
|
|
|
// find substructure of list or table that must be included in paste.
|
|
nsresult res = ScanForListAndTableStructure(aEnd, aNodeArray,
|
|
curNode, address_of(replaceNode));
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
|
|
// if we found substructure, paste it instead of it's descendants
|
|
if (replaceNode)
|
|
{
|
|
// postprocess list to remove any descendants of this node
|
|
// so that we dont insert them twice.
|
|
nsCOMPtr<nsIDOMNode> endpoint;
|
|
do
|
|
{
|
|
endpoint = GetArrayEndpoint(aEnd, aNodeArray);
|
|
if (!endpoint) break;
|
|
if (nsEditorUtils::IsDescendantOf(endpoint, replaceNode))
|
|
aNodeArray.RemoveObject(endpoint);
|
|
else
|
|
break;
|
|
} while(endpoint);
|
|
|
|
// now replace the removed nodes with the structural parent
|
|
if (aEnd) aNodeArray.AppendObject(replaceNode);
|
|
else aNodeArray.InsertObjectAt(replaceNode, 0);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsIDOMNode* nsHTMLEditor::GetArrayEndpoint(PRBool aEnd,
|
|
nsCOMArray<nsIDOMNode>& aNodeArray)
|
|
{
|
|
PRInt32 listCount = aNodeArray.Count();
|
|
if (listCount <= 0)
|
|
return nsnull;
|
|
|
|
if (aEnd)
|
|
{
|
|
return aNodeArray[listCount-1];
|
|
}
|
|
|
|
return aNodeArray[0];
|
|
}
|