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/* -*- 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
#include "AutoSelectionRestorer.h"
namespace mozilla {
AutoSelectionRestorer::AutoSelectionRestorer(EditorBase* aEditor) {
if (!aEditor) {
return;
}
if (aEditor->ArePreservingSelection()) {
// We already have initialized mParentData::mSavedSelection, so this must
// be nested call.
return;
}
MOZ_ASSERT(aEditor->IsEditActionDataAvailable());
mEditor = aEditor;
mEditor->PreserveSelectionAcrossActions();
}
AutoSelectionRestorer::~AutoSelectionRestorer() {
if (!mEditor || !mEditor->ArePreservingSelection()) {
return;
}
DebugOnly<nsresult> rvIgnored = mEditor->RestorePreservedSelection();
NS_WARNING_ASSERTION(
NS_SUCCEEDED(rvIgnored),
"EditorBase::RestorePreservedSelection() failed, but ignored");
}
void AutoSelectionRestorer::Abort() {
if (mEditor) {
mEditor->StopPreservingSelection();
}
}
} // namespace mozilla