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-rw-r--r--editor/libeditor/DeleteMultipleRangesTransaction.cpp122
1 files changed, 122 insertions, 0 deletions
diff --git a/editor/libeditor/DeleteMultipleRangesTransaction.cpp b/editor/libeditor/DeleteMultipleRangesTransaction.cpp
new file mode 100644
index 0000000000..cb735f0478
--- /dev/null
+++ b/editor/libeditor/DeleteMultipleRangesTransaction.cpp
@@ -0,0 +1,122 @@
+/* -*- 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 "DeleteMultipleRangesTransaction.h"
+
+#include "DeleteContentTransactionBase.h"
+#include "DeleteRangeTransaction.h"
+#include "EditorBase.h"
+#include "EditorDOMPoint.h"
+#include "EditTransactionBase.h"
+
+#include "nsDebug.h"
+
+namespace mozilla {
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(DeleteMultipleRangesTransaction,
+ EditAggregateTransaction)
+
+NS_IMPL_ADDREF_INHERITED(DeleteMultipleRangesTransaction,
+ EditAggregateTransaction)
+NS_IMPL_RELEASE_INHERITED(DeleteMultipleRangesTransaction,
+ EditAggregateTransaction)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DeleteMultipleRangesTransaction)
+NS_INTERFACE_MAP_END_INHERITING(EditAggregateTransaction)
+
+NS_IMETHODIMP DeleteMultipleRangesTransaction::DoTransaction() {
+ MOZ_LOG(GetLogModule(), LogLevel::Info,
+ ("%p DeleteMultipleRangesTransaction::%s this={ mName=%s } "
+ "Start==============================",
+ this, __FUNCTION__,
+ nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get()));
+ nsresult rv = EditAggregateTransaction::DoTransaction();
+ NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
+ "EditAggregateTransaction::DoTransaction() failed");
+
+ MOZ_LOG(GetLogModule(), LogLevel::Info,
+ ("%p DeleteMultipleRangesTransaction::%s this={ mName=%s } "
+ "End==============================",
+ this, __FUNCTION__,
+ nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get()));
+ return rv;
+}
+
+NS_IMETHODIMP DeleteMultipleRangesTransaction::UndoTransaction() {
+ MOZ_LOG(GetLogModule(), LogLevel::Info,
+ ("%p DeleteMultipleRangesTransaction::%s this={ mName=%s } "
+ "Start==============================",
+ this, __FUNCTION__,
+ nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get()));
+
+ nsresult rv = EditAggregateTransaction::UndoTransaction();
+ NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
+ "EditAggregateTransaction::UndoTransaction() failed");
+
+ MOZ_LOG(GetLogModule(), LogLevel::Info,
+ ("%p DeleteMultipleRangesTransaction::%s this={ mName=%s } "
+ "End==============================",
+ this, __FUNCTION__,
+ nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get()));
+ return rv;
+}
+
+NS_IMETHODIMP DeleteMultipleRangesTransaction::RedoTransaction() {
+ MOZ_LOG(GetLogModule(), LogLevel::Info,
+ ("%p DeleteMultipleRangesTransaction::%s this={ mName=%s } "
+ "Start==============================",
+ this, __FUNCTION__,
+ nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get()));
+
+ nsresult rv = EditAggregateTransaction::RedoTransaction();
+ NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
+ "EditAggregateTransaction::RedoTransaction() failed");
+
+ MOZ_LOG(GetLogModule(), LogLevel::Info,
+ ("%p DeleteMultipleRangesTransaction::%s this={ mName=%s } "
+ "End==============================",
+ this, __FUNCTION__,
+ nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get()));
+ return rv;
+}
+
+void DeleteMultipleRangesTransaction::AppendChild(
+ DeleteContentTransactionBase& aTransaction) {
+ mChildren.AppendElement(aTransaction);
+}
+
+void DeleteMultipleRangesTransaction::AppendChild(
+ DeleteRangeTransaction& aTransaction) {
+ mChildren.AppendElement(aTransaction);
+}
+
+EditorDOMPoint DeleteMultipleRangesTransaction::SuggestPointToPutCaret() const {
+ for (const OwningNonNull<EditTransactionBase>& transaction :
+ Reversed(mChildren)) {
+ if (const DeleteContentTransactionBase* deleteContentTransaction =
+ transaction->GetAsDeleteContentTransactionBase()) {
+ EditorDOMPoint pointToPutCaret =
+ deleteContentTransaction->SuggestPointToPutCaret();
+ if (pointToPutCaret.IsSet()) {
+ return pointToPutCaret;
+ }
+ continue;
+ }
+ if (const DeleteRangeTransaction* deleteRangeTransaction =
+ transaction->GetAsDeleteRangeTransaction()) {
+ EditorDOMPoint pointToPutCaret =
+ deleteRangeTransaction->SuggestPointToPutCaret();
+ if (pointToPutCaret.IsSet()) {
+ return pointToPutCaret;
+ }
+ continue;
+ }
+ MOZ_ASSERT_UNREACHABLE(
+ "Child transactions must be DeleteContentTransactionBase or "
+ "DeleteRangeTransaction");
+ }
+ return EditorDOMPoint();
+}
+
+} // namespace mozilla