1 files changed, 128 insertions, 0 deletions
diff --git a/xpcom/glue/nsCOMPtr.cpp b/xpcom/glue/nsCOMPtr.cpp
new file mode 100644
index 000000000..263fa62c2
--- /dev/null
+++ b/xpcom/glue/nsCOMPtr.cpp
@@ -0,0 +1,128 @@
+/* -*- 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 "nsCOMPtr.h"
+
+nsresult
+nsQueryInterface::operator()(const nsIID& aIID, void** aAnswer) const
+{
+  nsresult status;
+  if (mRawPtr) {
+    status = mRawPtr->QueryInterface(aIID, aAnswer);
+  } else {
+    status = NS_ERROR_NULL_POINTER;
+  }
+
+  return status;
+}
+
+nsresult
+nsQueryInterfaceWithError::operator()(const nsIID& aIID, void** aAnswer) const
+{
+  nsresult status;
+  if (mRawPtr) {
+    status = mRawPtr->QueryInterface(aIID, aAnswer);
+  } else {
+    status = NS_ERROR_NULL_POINTER;
+  }
+
+  if (mErrorPtr) {
+    *mErrorPtr = status;
+  }
+  return status;
+}
+
+void
+nsCOMPtr_base::assign_with_AddRef(nsISupports* aRawPtr)
+{
+  if (aRawPtr) {
+    NSCAP_ADDREF(this, aRawPtr);
+  }
+  assign_assuming_AddRef(aRawPtr);
+}
+
+void
+nsCOMPtr_base::assign_from_qi(const nsQueryInterface aQI, const nsIID& aIID)
+{
+  void* newRawPtr;
+  if (NS_FAILED(aQI(aIID, &newRawPtr))) {
+    newRawPtr = nullptr;
+  }
+  assign_assuming_AddRef(static_cast<nsISupports*>(newRawPtr));
+}
+
+void
+nsCOMPtr_base::assign_from_qi_with_error(const nsQueryInterfaceWithError& aQI,
+                                         const nsIID& aIID)
+{
+  void* newRawPtr;
+  if (NS_FAILED(aQI(aIID, &newRawPtr))) {
+    newRawPtr = nullptr;
+  }
+  assign_assuming_AddRef(static_cast<nsISupports*>(newRawPtr));
+}
+
+void
+nsCOMPtr_base::assign_from_gs_cid(const nsGetServiceByCID aGS,
+                                  const nsIID& aIID)
+{
+  void* newRawPtr;
+  if (NS_FAILED(aGS(aIID, &newRawPtr))) {
+    newRawPtr = nullptr;
+  }
+  assign_assuming_AddRef(static_cast<nsISupports*>(newRawPtr));
+}
+
+void
+nsCOMPtr_base::assign_from_gs_cid_with_error(
+    const nsGetServiceByCIDWithError& aGS, const nsIID& aIID)
+{
+  void* newRawPtr;
+  if (NS_FAILED(aGS(aIID, &newRawPtr))) {
+    newRawPtr = nullptr;
+  }
+  assign_assuming_AddRef(static_cast<nsISupports*>(newRawPtr));
+}
+
+void
+nsCOMPtr_base::assign_from_gs_contractid(const nsGetServiceByContractID aGS,
+                                         const nsIID& aIID)
+{
+  void* newRawPtr;
+  if (NS_FAILED(aGS(aIID, &newRawPtr))) {
+    newRawPtr = nullptr;
+  }
+  assign_assuming_AddRef(static_cast<nsISupports*>(newRawPtr));
+}
+
+void
+nsCOMPtr_base::assign_from_gs_contractid_with_error(
+    const nsGetServiceByContractIDWithError& aGS, const nsIID& aIID)
+{
+  void* newRawPtr;
+  if (NS_FAILED(aGS(aIID, &newRawPtr))) {
+    newRawPtr = nullptr;
+  }
+  assign_assuming_AddRef(static_cast<nsISupports*>(newRawPtr));
+}
+
+void
+nsCOMPtr_base::assign_from_helper(const nsCOMPtr_helper& aHelper,
+                                  const nsIID& aIID)
+{
+  void* newRawPtr;
+  if (NS_FAILED(aHelper(aIID, &newRawPtr))) {
+    newRawPtr = nullptr;
+  }
+  assign_assuming_AddRef(static_cast<nsISupports*>(newRawPtr));
+}
+
+void**
+nsCOMPtr_base::begin_assignment()
+{
+  assign_assuming_AddRef(nullptr);
+  return reinterpret_cast<void**>(&mRawPtr);
+}