2007-03-22 10:30:00 -07:00
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/* -*- 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) 1998-1999
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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 "nsEditor.h"
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2010-05-11 13:41:47 -07:00
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#include "nsCSSStyleSheet.h"
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2007-03-22 10:30:00 -07:00
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#include "nsIDocument.h"
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#include "nsIDocumentObserver.h"
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#include "nsISelectionController.h"
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#include "nsStyleSheetTxns.h"
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static void
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AddStyleSheet(nsIEditor* aEditor, nsIStyleSheet* aSheet)
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{
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nsCOMPtr<nsIDOMDocument> domDoc;
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aEditor->GetDocument(getter_AddRefs(domDoc));
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nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
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if (doc) {
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doc->BeginUpdate(UPDATE_STYLE);
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doc->AddStyleSheet(aSheet);
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doc->EndUpdate(UPDATE_STYLE);
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}
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}
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static void
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RemoveStyleSheet(nsIEditor *aEditor, nsIStyleSheet *aSheet)
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{
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nsCOMPtr<nsIDOMDocument> domDoc;
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aEditor->GetDocument(getter_AddRefs(domDoc));
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nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
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if (doc) {
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doc->BeginUpdate(UPDATE_STYLE);
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doc->RemoveStyleSheet(aSheet);
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doc->EndUpdate(UPDATE_STYLE);
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}
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}
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AddStyleSheetTxn::AddStyleSheetTxn()
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: EditTxn()
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, mEditor(NULL)
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{
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}
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2009-05-08 21:59:25 -07:00
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NS_IMPL_CYCLE_COLLECTION_CLASS(AddStyleSheetTxn)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(AddStyleSheetTxn, EditTxn)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mSheet)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(AddStyleSheetTxn, EditTxn)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR_AMBIGUOUS(mSheet, nsIStyleSheet)
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2009-05-08 21:59:25 -07:00
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AddStyleSheetTxn)
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NS_INTERFACE_MAP_END_INHERITING(EditTxn)
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2007-03-22 10:30:00 -07:00
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NS_IMETHODIMP
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2010-05-11 13:41:47 -07:00
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AddStyleSheetTxn::Init(nsIEditor *aEditor, nsCSSStyleSheet *aSheet)
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{
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NS_ENSURE_TRUE(aEditor && aSheet, NS_ERROR_INVALID_ARG);
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2007-03-22 10:30:00 -07:00
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mEditor = aEditor;
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mSheet = aSheet;
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2007-03-22 10:30:00 -07:00
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return NS_OK;
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}
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NS_IMETHODIMP
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AddStyleSheetTxn::DoTransaction()
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{
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NS_ENSURE_TRUE(mEditor && mSheet, NS_ERROR_NOT_INITIALIZED);
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2007-03-22 10:30:00 -07:00
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AddStyleSheet(mEditor, mSheet);
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return NS_OK;
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}
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NS_IMETHODIMP
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AddStyleSheetTxn::UndoTransaction()
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{
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NS_ENSURE_TRUE(mEditor && mSheet, NS_ERROR_NOT_INITIALIZED);
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2007-03-22 10:30:00 -07:00
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RemoveStyleSheet(mEditor, mSheet);
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return NS_OK;
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}
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NS_IMETHODIMP
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AddStyleSheetTxn::GetTxnDescription(nsAString& aString)
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{
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aString.AssignLiteral("AddStyleSheetTxn");
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return NS_OK;
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}
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RemoveStyleSheetTxn::RemoveStyleSheetTxn()
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: EditTxn()
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, mEditor(NULL)
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{
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}
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2009-05-08 21:59:25 -07:00
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NS_IMPL_CYCLE_COLLECTION_CLASS(RemoveStyleSheetTxn)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(RemoveStyleSheetTxn, EditTxn)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mSheet)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(RemoveStyleSheetTxn, EditTxn)
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2010-05-11 13:41:47 -07:00
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR_AMBIGUOUS(mSheet, nsIStyleSheet)
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2009-05-08 21:59:25 -07:00
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RemoveStyleSheetTxn)
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NS_INTERFACE_MAP_END_INHERITING(EditTxn)
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2007-03-22 10:30:00 -07:00
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NS_IMETHODIMP
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2010-05-11 13:41:47 -07:00
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RemoveStyleSheetTxn::Init(nsIEditor *aEditor, nsCSSStyleSheet *aSheet)
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2007-03-22 10:30:00 -07:00
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{
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2010-06-17 13:40:48 -07:00
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NS_ENSURE_TRUE(aEditor && aSheet, NS_ERROR_INVALID_ARG);
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2007-03-22 10:30:00 -07:00
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mEditor = aEditor;
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2010-05-11 13:41:47 -07:00
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mSheet = aSheet;
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2007-03-22 10:30:00 -07:00
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return NS_OK;
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}
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NS_IMETHODIMP
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RemoveStyleSheetTxn::DoTransaction()
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{
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2010-06-17 13:40:48 -07:00
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NS_ENSURE_TRUE(mEditor && mSheet, NS_ERROR_NOT_INITIALIZED);
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2007-03-22 10:30:00 -07:00
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RemoveStyleSheet(mEditor, mSheet);
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return NS_OK;
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}
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NS_IMETHODIMP
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RemoveStyleSheetTxn::UndoTransaction()
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{
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2010-06-17 13:40:48 -07:00
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NS_ENSURE_TRUE(mEditor && mSheet, NS_ERROR_NOT_INITIALIZED);
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2007-03-22 10:30:00 -07:00
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AddStyleSheet(mEditor, mSheet);
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return NS_OK;
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}
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NS_IMETHODIMP
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RemoveStyleSheetTxn::GetTxnDescription(nsAString& aString)
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{
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aString.AssignLiteral("RemoveStyleSheetTxn");
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return NS_OK;
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}
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