1 files changed, 77 insertions, 0 deletions
diff --git a/comm/mailnews/base/src/nsMsgTxn.h b/comm/mailnews/base/src/nsMsgTxn.h
new file mode 100644
index 0000000000..824b26993b
--- /dev/null
+++ b/comm/mailnews/base/src/nsMsgTxn.h
@@ -0,0 +1,77 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 nsMsgTxn_h__
+#define nsMsgTxn_h__
+
+#include "mozilla/Attributes.h"
+#include "nsITransaction.h"
+#include "msgCore.h"
+#include "nsCOMPtr.h"
+#include "nsIMsgWindow.h"
+#include "nsInterfaceHashtable.h"
+#include "MailNewsTypes2.h"
+#include "nsIVariant.h"
+#include "nsIWritablePropertyBag.h"
+#include "nsIWritablePropertyBag2.h"
+
+#include "mozilla/EditTransactionBase.h"
+
+using mozilla::EditTransactionBase;
+
+#define NS_MESSAGETRANSACTION_IID                    \
+  { /* da621b30-1efc-11d3-abe4-00805f8ac968 */       \
+    0xda621b30, 0x1efc, 0x11d3, {                    \
+      0xab, 0xe4, 0x00, 0x80, 0x5f, 0x8a, 0xc9, 0x68 \
+    }                                                \
+  }
+/**
+ * base class for all message undo/redo transactions.
+ */
+
+class nsMsgTxn : public nsITransaction,
+                 public nsIWritablePropertyBag,
+                 public nsIWritablePropertyBag2 {
+ public:
+  nsMsgTxn();
+
+  nsresult Init();
+
+  NS_IMETHOD DoTransaction(void) override;
+
+  NS_IMETHOD UndoTransaction(void) override = 0;
+
+  NS_IMETHOD RedoTransaction(void) override = 0;
+
+  NS_IMETHOD GetIsTransient(bool* aIsTransient) override;
+
+  NS_IMETHOD Merge(nsITransaction* aTransaction, bool* aDidMerge) override;
+
+  nsresult GetMsgWindow(nsIMsgWindow** msgWindow);
+  nsresult SetMsgWindow(nsIMsgWindow* msgWindow);
+  nsresult SetTransactionType(uint32_t txnType);
+
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSIPROPERTYBAG
+  NS_DECL_NSIPROPERTYBAG2
+  NS_DECL_NSIWRITABLEPROPERTYBAG
+  NS_DECL_NSIWRITABLEPROPERTYBAG2
+
+  NS_IMETHOD GetAsEditTransactionBase(EditTransactionBase**) final {
+    return NS_ERROR_NOT_IMPLEMENTED;
+  }
+
+ protected:
+  virtual ~nsMsgTxn();
+
+  // a hash table of string -> nsIVariant
+  nsInterfaceHashtable<nsStringHashKey, nsIVariant> mPropertyHash;
+  nsCOMPtr<nsIMsgWindow> m_msgWindow;
+  uint32_t m_txnType;
+  nsresult CheckForToggleDelete(nsIMsgFolder* aFolder, const nsMsgKey& aMsgKey,
+                                bool* aResult);
+};
+
+#endif