1 files changed, 119 insertions, 0 deletions
diff --git a/comm/mailnews/mime/cthandlers/glue/mimexpcom.cpp b/comm/mailnews/mime/cthandlers/glue/mimexpcom.cpp
new file mode 100644
index 0000000000..626dc043a4
--- /dev/null
+++ b/comm/mailnews/mime/cthandlers/glue/mimexpcom.cpp
@@ -0,0 +1,119 @@
+/* -*- 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 "nsIMimeObjectClassAccess.h"
+#include "nsCOMPtr.h"
+#include "nsComponentManagerUtils.h"
+
+// {403B0540-B7C3-11d2-B35E-525400E2D63A}
+#define NS_MIME_OBJECT_CLASS_ACCESS_CID             \
+  {                                                 \
+    0x403b0540, 0xb7c3, 0x11d2, {                   \
+      0xb3, 0x5e, 0x52, 0x54, 0x0, 0xe2, 0xd6, 0x3a \
+    }                                               \
+  }
+static NS_DEFINE_CID(kMimeObjectClassAccessCID,
+                     NS_MIME_OBJECT_CLASS_ACCESS_CID);
+
+/*
+ * These calls are necessary to expose the object class hierarchy
+ * to externally developed content type handlers.
+ */
+extern "C" void* COM_GetmimeInlineTextClass(void) {
+  void* ptr = NULL;
+
+  nsresult res;
+  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
+      do_CreateInstance(kMimeObjectClassAccessCID, &res);
+  if (NS_SUCCEEDED(res) && objAccess) objAccess->GetmimeInlineTextClass(&ptr);
+
+  return ptr;
+}
+
+extern "C" void* COM_GetmimeLeafClass(void) {
+  void* ptr = NULL;
+
+  nsresult res;
+  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
+      do_CreateInstance(kMimeObjectClassAccessCID, &res);
+  if (NS_SUCCEEDED(res) && objAccess) objAccess->GetmimeLeafClass(&ptr);
+
+  return ptr;
+}
+
+extern "C" void* COM_GetmimeObjectClass(void) {
+  void* ptr = NULL;
+
+  nsresult res;
+  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
+      do_CreateInstance(kMimeObjectClassAccessCID, &res);
+  if (NS_SUCCEEDED(res) && objAccess) objAccess->GetmimeObjectClass(&ptr);
+
+  return ptr;
+}
+
+extern "C" void* COM_GetmimeContainerClass(void) {
+  void* ptr = NULL;
+
+  nsresult res;
+  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
+      do_CreateInstance(kMimeObjectClassAccessCID, &res);
+  if (NS_SUCCEEDED(res) && objAccess) objAccess->GetmimeContainerClass(&ptr);
+
+  return ptr;
+}
+
+extern "C" void* COM_GetmimeMultipartClass(void) {
+  void* ptr = NULL;
+
+  nsresult res;
+  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
+      do_CreateInstance(kMimeObjectClassAccessCID, &res);
+  if (NS_SUCCEEDED(res) && objAccess) objAccess->GetmimeMultipartClass(&ptr);
+
+  return ptr;
+}
+
+extern "C" void* COM_GetmimeMultipartSignedClass(void) {
+  void* ptr = NULL;
+
+  nsresult res;
+  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
+      do_CreateInstance(kMimeObjectClassAccessCID, &res);
+  if (NS_SUCCEEDED(res) && objAccess)
+    objAccess->GetmimeMultipartSignedClass(&ptr);
+
+  return ptr;
+}
+
+extern "C" int COM_MimeObject_write(void* mimeObject, char* data,
+                                    int32_t length, bool user_visible_p) {
+  int32_t rc = -1;
+
+  nsresult res;
+  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
+      do_CreateInstance(kMimeObjectClassAccessCID, &res);
+  if (NS_SUCCEEDED(res) && objAccess) {
+    if (NS_SUCCEEDED(objAccess->MimeObjectWrite(mimeObject, data, length,
+                                                user_visible_p)))
+      rc = length;
+    else
+      rc = -1;
+  }
+
+  return rc;
+}
+
+extern "C" void* COM_MimeCreate(char* content_type, void* hdrs, void* opts) {
+  void* ptr = NULL;
+
+  nsresult res;
+  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
+      do_CreateInstance(kMimeObjectClassAccessCID, &res);
+  if (NS_SUCCEEDED(res) && objAccess)
+    objAccess->MimeCreate(content_type, hdrs, opts, &ptr);
+
+  return ptr;
+}