mirror of
https://github.com/mozilla/gecko-dev.git
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122 lines
4.6 KiB
C++
122 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "DeleteMultipleRangesTransaction.h"
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#include "DeleteContentTransactionBase.h"
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#include "DeleteRangeTransaction.h"
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#include "EditorBase.h"
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#include "EditorDOMPoint.h"
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#include "EditTransactionBase.h"
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#include "nsDebug.h"
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namespace mozilla {
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NS_IMPL_CYCLE_COLLECTION_INHERITED(DeleteMultipleRangesTransaction,
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EditAggregateTransaction)
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NS_IMPL_ADDREF_INHERITED(DeleteMultipleRangesTransaction,
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EditAggregateTransaction)
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NS_IMPL_RELEASE_INHERITED(DeleteMultipleRangesTransaction,
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EditAggregateTransaction)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DeleteMultipleRangesTransaction)
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NS_INTERFACE_MAP_END_INHERITING(EditAggregateTransaction)
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NS_IMETHODIMP DeleteMultipleRangesTransaction::DoTransaction() {
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MOZ_LOG(GetLogModule(), LogLevel::Info,
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("%p DeleteMultipleRangesTransaction::%s this={ mName=%s } "
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"Start==============================",
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this, __FUNCTION__,
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nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get()));
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nsresult rv = EditAggregateTransaction::DoTransaction();
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NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
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"EditAggregateTransaction::DoTransaction() failed");
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MOZ_LOG(GetLogModule(), LogLevel::Info,
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("%p DeleteMultipleRangesTransaction::%s this={ mName=%s } "
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"End==============================",
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this, __FUNCTION__,
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nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get()));
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return rv;
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}
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NS_IMETHODIMP DeleteMultipleRangesTransaction::UndoTransaction() {
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MOZ_LOG(GetLogModule(), LogLevel::Info,
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("%p DeleteMultipleRangesTransaction::%s this={ mName=%s } "
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"Start==============================",
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this, __FUNCTION__,
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nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get()));
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nsresult rv = EditAggregateTransaction::UndoTransaction();
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NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
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"EditAggregateTransaction::UndoTransaction() failed");
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MOZ_LOG(GetLogModule(), LogLevel::Info,
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("%p DeleteMultipleRangesTransaction::%s this={ mName=%s } "
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"End==============================",
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this, __FUNCTION__,
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nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get()));
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return rv;
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}
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NS_IMETHODIMP DeleteMultipleRangesTransaction::RedoTransaction() {
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MOZ_LOG(GetLogModule(), LogLevel::Info,
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("%p DeleteMultipleRangesTransaction::%s this={ mName=%s } "
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"Start==============================",
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this, __FUNCTION__,
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nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get()));
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nsresult rv = EditAggregateTransaction::RedoTransaction();
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NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
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"EditAggregateTransaction::RedoTransaction() failed");
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MOZ_LOG(GetLogModule(), LogLevel::Info,
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("%p DeleteMultipleRangesTransaction::%s this={ mName=%s } "
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"End==============================",
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this, __FUNCTION__,
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nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get()));
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return rv;
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}
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void DeleteMultipleRangesTransaction::AppendChild(
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DeleteContentTransactionBase& aTransaction) {
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mChildren.AppendElement(aTransaction);
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}
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void DeleteMultipleRangesTransaction::AppendChild(
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DeleteRangeTransaction& aTransaction) {
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mChildren.AppendElement(aTransaction);
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}
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EditorDOMPoint DeleteMultipleRangesTransaction::SuggestPointToPutCaret() const {
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for (const OwningNonNull<EditTransactionBase>& transaction :
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Reversed(mChildren)) {
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if (const DeleteContentTransactionBase* deleteContentTransaction =
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transaction->GetAsDeleteContentTransactionBase()) {
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EditorDOMPoint pointToPutCaret =
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deleteContentTransaction->SuggestPointToPutCaret();
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if (pointToPutCaret.IsSet()) {
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return pointToPutCaret;
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}
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continue;
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}
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if (const DeleteRangeTransaction* deleteRangeTransaction =
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transaction->GetAsDeleteRangeTransaction()) {
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EditorDOMPoint pointToPutCaret =
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deleteRangeTransaction->SuggestPointToPutCaret();
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if (pointToPutCaret.IsSet()) {
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return pointToPutCaret;
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}
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continue;
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}
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MOZ_ASSERT_UNREACHABLE(
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"Child transactions must be DeleteContentTransactionBase or "
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"DeleteRangeTransaction");
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}
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return EditorDOMPoint();
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}
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} // namespace mozilla
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