mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 08:35:26 +00:00
155 lines
3.6 KiB
C++
155 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
|
|
#include "nsEditor.h"
|
|
|
|
#include "nsCSSStyleSheet.h"
|
|
#include "nsIDocument.h"
|
|
#include "nsIDocumentObserver.h"
|
|
#include "nsISelectionController.h"
|
|
|
|
|
|
#include "nsStyleSheetTxns.h"
|
|
|
|
static void
|
|
AddStyleSheet(nsIEditor* aEditor, nsIStyleSheet* aSheet)
|
|
{
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
aEditor->GetDocument(getter_AddRefs(domDoc));
|
|
nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
|
|
if (doc) {
|
|
doc->BeginUpdate(UPDATE_STYLE);
|
|
doc->AddStyleSheet(aSheet);
|
|
doc->EndUpdate(UPDATE_STYLE);
|
|
}
|
|
}
|
|
|
|
static void
|
|
RemoveStyleSheet(nsIEditor *aEditor, nsIStyleSheet *aSheet)
|
|
{
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
aEditor->GetDocument(getter_AddRefs(domDoc));
|
|
nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
|
|
if (doc) {
|
|
doc->BeginUpdate(UPDATE_STYLE);
|
|
doc->RemoveStyleSheet(aSheet);
|
|
doc->EndUpdate(UPDATE_STYLE);
|
|
}
|
|
}
|
|
|
|
AddStyleSheetTxn::AddStyleSheetTxn()
|
|
: EditTxn()
|
|
, mEditor(NULL)
|
|
{
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_CLASS(AddStyleSheetTxn)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(AddStyleSheetTxn, EditTxn)
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mSheet)
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(AddStyleSheetTxn, EditTxn)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR_AMBIGUOUS(mSheet, nsIStyleSheet)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AddStyleSheetTxn)
|
|
NS_INTERFACE_MAP_END_INHERITING(EditTxn)
|
|
|
|
NS_IMETHODIMP
|
|
AddStyleSheetTxn::Init(nsIEditor *aEditor, nsCSSStyleSheet *aSheet)
|
|
{
|
|
NS_ENSURE_TRUE(aEditor && aSheet, NS_ERROR_INVALID_ARG);
|
|
|
|
mEditor = aEditor;
|
|
mSheet = aSheet;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
AddStyleSheetTxn::DoTransaction()
|
|
{
|
|
NS_ENSURE_TRUE(mEditor && mSheet, NS_ERROR_NOT_INITIALIZED);
|
|
|
|
AddStyleSheet(mEditor, mSheet);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
AddStyleSheetTxn::UndoTransaction()
|
|
{
|
|
NS_ENSURE_TRUE(mEditor && mSheet, NS_ERROR_NOT_INITIALIZED);
|
|
|
|
RemoveStyleSheet(mEditor, mSheet);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
AddStyleSheetTxn::GetTxnDescription(nsAString& aString)
|
|
{
|
|
aString.AssignLiteral("AddStyleSheetTxn");
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
RemoveStyleSheetTxn::RemoveStyleSheetTxn()
|
|
: EditTxn()
|
|
, mEditor(NULL)
|
|
{
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_CLASS(RemoveStyleSheetTxn)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(RemoveStyleSheetTxn, EditTxn)
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mSheet)
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(RemoveStyleSheetTxn, EditTxn)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR_AMBIGUOUS(mSheet, nsIStyleSheet)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RemoveStyleSheetTxn)
|
|
NS_INTERFACE_MAP_END_INHERITING(EditTxn)
|
|
|
|
NS_IMETHODIMP
|
|
RemoveStyleSheetTxn::Init(nsIEditor *aEditor, nsCSSStyleSheet *aSheet)
|
|
{
|
|
NS_ENSURE_TRUE(aEditor && aSheet, NS_ERROR_INVALID_ARG);
|
|
|
|
mEditor = aEditor;
|
|
mSheet = aSheet;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
RemoveStyleSheetTxn::DoTransaction()
|
|
{
|
|
NS_ENSURE_TRUE(mEditor && mSheet, NS_ERROR_NOT_INITIALIZED);
|
|
|
|
RemoveStyleSheet(mEditor, mSheet);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
RemoveStyleSheetTxn::UndoTransaction()
|
|
{
|
|
NS_ENSURE_TRUE(mEditor && mSheet, NS_ERROR_NOT_INITIALIZED);
|
|
|
|
AddStyleSheet(mEditor, mSheet);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
RemoveStyleSheetTxn::GetTxnDescription(nsAString& aString)
|
|
{
|
|
aString.AssignLiteral("RemoveStyleSheetTxn");
|
|
return NS_OK;
|
|
}
|