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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_EditTransactionBase_h
#define mozilla_EditTransactionBase_h
#include "mozilla/EditorForwards.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupportsImpl.h"
#include "nsITransaction.h"
#include "nscore.h"
already_AddRefed<mozilla::EditTransactionBase>
nsITransaction::GetAsEditTransactionBase() {
RefPtr<mozilla::EditTransactionBase> editTransactionBase;
return NS_SUCCEEDED(
GetAsEditTransactionBase(getter_AddRefs(editTransactionBase)))
? editTransactionBase.forget()
: nullptr;
}
namespace mozilla {
class LogModule;
#define NS_DECL_GETASTRANSACTION_BASE(aClass) \
virtual aClass* GetAs##aClass(); \
virtual const aClass* GetAs##aClass() const;
/**
* Base class for all document editing transactions.
*/
class EditTransactionBase : public nsITransaction {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(EditTransactionBase, nsITransaction)
MOZ_CAN_RUN_SCRIPT NS_IMETHOD RedoTransaction(void) override;
NS_IMETHOD GetIsTransient(bool* aIsTransient) override;
NS_IMETHOD Merge(nsITransaction* aTransaction, bool* aDidMerge) override;
NS_IMETHOD GetAsEditTransactionBase(
EditTransactionBase** aEditTransactionBase) final {
MOZ_ASSERT(aEditTransactionBase);
MOZ_ASSERT(!*aEditTransactionBase);
*aEditTransactionBase = do_AddRef(this).take();
return NS_OK;
}
NS_DECL_GETASTRANSACTION_BASE(ChangeAttributeTransaction)
NS_DECL_GETASTRANSACTION_BASE(ChangeStyleTransaction)
NS_DECL_GETASTRANSACTION_BASE(CompositionTransaction)
NS_DECL_GETASTRANSACTION_BASE(DeleteNodeTransaction)
NS_DECL_GETASTRANSACTION_BASE(DeleteRangeTransaction)
NS_DECL_GETASTRANSACTION_BASE(DeleteTextTransaction)
NS_DECL_GETASTRANSACTION_BASE(EditAggregateTransaction)
NS_DECL_GETASTRANSACTION_BASE(InsertNodeTransaction)
NS_DECL_GETASTRANSACTION_BASE(InsertTextTransaction)
NS_DECL_GETASTRANSACTION_BASE(JoinNodesTransaction)
NS_DECL_GETASTRANSACTION_BASE(MoveNodeTransaction)
NS_DECL_GETASTRANSACTION_BASE(PlaceholderTransaction)
NS_DECL_GETASTRANSACTION_BASE(ReplaceTextTransaction)
NS_DECL_GETASTRANSACTION_BASE(SplitNodeTransaction)
protected:
virtual ~EditTransactionBase() = default;
static LogModule* GetLogModule();
};
#undef NS_DECL_GETASTRANSACTION_BASE
} // namespace mozilla
#define NS_DECL_EDITTRANSACTIONBASE \
MOZ_CAN_RUN_SCRIPT NS_IMETHOD DoTransaction() override; \
MOZ_CAN_RUN_SCRIPT NS_IMETHOD UndoTransaction() override;
#define NS_DECL_EDITTRANSACTIONBASE_GETASMETHODS_OVERRIDE(aClass) \
aClass* GetAs##aClass() final { return this; } \
const aClass* GetAs##aClass() const final { return this; }
#endif // #ifndef mozilla_EditTransactionBase_h
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