1 files changed, 107 insertions, 0 deletions
diff --git a/docshell/shistory/nsSHTransaction.cpp b/docshell/shistory/nsSHTransaction.cpp
new file mode 100644
index 000000000..061454d35
--- /dev/null
+++ b/docshell/shistory/nsSHTransaction.cpp
@@ -0,0 +1,107 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "nsSHTransaction.h"
+#include "nsISHEntry.h"
+
+nsSHTransaction::nsSHTransaction()
+  : mPersist(true)
+  , mPrev(nullptr)
+{
+}
+
+nsSHTransaction::~nsSHTransaction()
+{
+}
+
+NS_IMPL_ADDREF(nsSHTransaction)
+NS_IMPL_RELEASE(nsSHTransaction)
+
+NS_INTERFACE_MAP_BEGIN(nsSHTransaction)
+  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsISHTransaction)
+  NS_INTERFACE_MAP_ENTRY(nsISHTransaction)
+NS_INTERFACE_MAP_END
+
+NS_IMETHODIMP
+nsSHTransaction::Create(nsISHEntry* aSHEntry, nsISHTransaction* aPrev)
+{
+  SetSHEntry(aSHEntry);
+  if (aPrev) {
+    aPrev->SetNext(this);
+  }
+
+  SetPrev(aPrev);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSHTransaction::GetSHEntry(nsISHEntry** aResult)
+{
+  NS_ENSURE_ARG_POINTER(aResult);
+  *aResult = mSHEntry;
+  NS_IF_ADDREF(*aResult);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSHTransaction::SetSHEntry(nsISHEntry* aSHEntry)
+{
+  mSHEntry = aSHEntry;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSHTransaction::GetNext(nsISHTransaction** aResult)
+{
+  NS_ENSURE_ARG_POINTER(aResult);
+  *aResult = mNext;
+  NS_IF_ADDREF(*aResult);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSHTransaction::SetNext(nsISHTransaction* aNext)
+{
+  if (aNext) {
+    NS_ENSURE_SUCCESS(aNext->SetPrev(this), NS_ERROR_FAILURE);
+  }
+
+  mNext = aNext;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSHTransaction::SetPrev(nsISHTransaction* aPrev)
+{
+  /* This is weak reference to parent. Do not Addref it */
+  mPrev = aPrev;
+  return NS_OK;
+}
+
+nsresult
+nsSHTransaction::GetPrev(nsISHTransaction** aResult)
+{
+  NS_ENSURE_ARG_POINTER(aResult);
+  *aResult = mPrev;
+  NS_IF_ADDREF(*aResult);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSHTransaction::SetPersist(bool aPersist)
+{
+  mPersist = aPersist;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSHTransaction::GetPersist(bool* aPersist)
+{
+  NS_ENSURE_ARG_POINTER(aPersist);
+
+  *aPersist = mPersist;
+  return NS_OK;
+}