mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-22 17:55:50 +00:00
e877ded333
Edit transactions should store their editor instance with strong reference and they should be released at destroying the editor. MozReview-Commit-ID: D67KU8WFxyo --HG-- extra : rebase_source : 28c8a37498cad9f2e308eb4416cef76cf395bb9c
139 lines
4.0 KiB
C++
139 lines
4.0 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 "StyleSheetTransactions.h"
|
|
|
|
#include <stddef.h> // for nullptr
|
|
|
|
#include "nsAString.h"
|
|
#include "nsCOMPtr.h" // for nsCOMPtr, do_QueryInterface, etc.
|
|
#include "mozilla/StyleSheet.h" // for mozilla::StyleSheet
|
|
#include "mozilla/StyleSheetInlines.h"
|
|
#include "nsDebug.h" // for NS_ENSURE_TRUE
|
|
#include "nsError.h" // for NS_OK, etc.
|
|
#include "nsIDocument.h" // for nsIDocument
|
|
#include "nsIDocumentObserver.h" // for UPDATE_STYLE
|
|
|
|
namespace mozilla {
|
|
|
|
static void
|
|
AddStyleSheet(EditorBase& aEditor, StyleSheet* aSheet)
|
|
{
|
|
nsCOMPtr<nsIDocument> doc = aEditor.GetDocument();
|
|
if (doc) {
|
|
doc->BeginUpdate(UPDATE_STYLE);
|
|
doc->AddStyleSheet(aSheet);
|
|
doc->EndUpdate(UPDATE_STYLE);
|
|
}
|
|
}
|
|
|
|
static void
|
|
RemoveStyleSheet(EditorBase& aEditor, StyleSheet* aSheet)
|
|
{
|
|
nsCOMPtr<nsIDocument> doc = aEditor.GetDocument();
|
|
if (doc) {
|
|
doc->BeginUpdate(UPDATE_STYLE);
|
|
doc->RemoveStyleSheet(aSheet);
|
|
doc->EndUpdate(UPDATE_STYLE);
|
|
}
|
|
}
|
|
|
|
/******************************************************************************
|
|
* AddStyleSheetTransaction
|
|
******************************************************************************/
|
|
|
|
AddStyleSheetTransaction::AddStyleSheetTransaction(EditorBase& aEditorBase,
|
|
StyleSheet* aSheet)
|
|
: mEditorBase(&aEditorBase)
|
|
, mSheet(aSheet)
|
|
{
|
|
MOZ_ASSERT(aSheet);
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_INHERITED(AddStyleSheetTransaction,
|
|
EditTransactionBase,
|
|
mEditorBase,
|
|
mSheet)
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AddStyleSheetTransaction)
|
|
NS_INTERFACE_MAP_END_INHERITING(EditTransactionBase)
|
|
|
|
NS_IMETHODIMP
|
|
AddStyleSheetTransaction::DoTransaction()
|
|
{
|
|
if (NS_WARN_IF(!mEditorBase) || NS_WARN_IF(!mSheet)) {
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
}
|
|
AddStyleSheet(*mEditorBase, mSheet);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
AddStyleSheetTransaction::UndoTransaction()
|
|
{
|
|
if (NS_WARN_IF(!mEditorBase) || NS_WARN_IF(!mSheet)) {
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
}
|
|
RemoveStyleSheet(*mEditorBase, mSheet);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
AddStyleSheetTransaction::GetTxnDescription(nsAString& aString)
|
|
{
|
|
aString.AssignLiteral("AddStyleSheetTransaction");
|
|
return NS_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RemoveStyleSheetTransaction
|
|
******************************************************************************/
|
|
|
|
RemoveStyleSheetTransaction::RemoveStyleSheetTransaction(
|
|
EditorBase& aEditorBase,
|
|
StyleSheet* aSheet)
|
|
: mEditorBase(&aEditorBase)
|
|
, mSheet(aSheet)
|
|
{
|
|
MOZ_ASSERT(aSheet);
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_INHERITED(RemoveStyleSheetTransaction,
|
|
EditTransactionBase,
|
|
mEditorBase,
|
|
mSheet)
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RemoveStyleSheetTransaction)
|
|
NS_INTERFACE_MAP_END_INHERITING(EditTransactionBase)
|
|
|
|
NS_IMETHODIMP
|
|
RemoveStyleSheetTransaction::DoTransaction()
|
|
{
|
|
if (NS_WARN_IF(!mEditorBase) || NS_WARN_IF(!mSheet)) {
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
}
|
|
RemoveStyleSheet(*mEditorBase, mSheet);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
RemoveStyleSheetTransaction::UndoTransaction()
|
|
{
|
|
if (NS_WARN_IF(!mEditorBase) || NS_WARN_IF(!mSheet)) {
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
}
|
|
AddStyleSheet(*mEditorBase, mSheet);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
RemoveStyleSheetTransaction::GetTxnDescription(nsAString& aString)
|
|
{
|
|
aString.AssignLiteral("RemoveStyleSheetTransaction");
|
|
return NS_OK;
|
|
}
|
|
|
|
} // namespace mozilla
|