1 files changed, 89 insertions, 0 deletions
diff --git a/comm/mailnews/jsaccount/src/JaCompose.h b/comm/mailnews/jsaccount/src/JaCompose.h
new file mode 100644
index 0000000000..587e91738a
--- /dev/null
+++ b/comm/mailnews/jsaccount/src/JaCompose.h
@@ -0,0 +1,89 @@
+/* -*- 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/. */
+
+#ifndef _JaCompose_H_
+#define _JaCompose_H_
+
+#include "nsISupports.h"
+#include "DelegateList.h"
+#include "msgIOverride.h"
+#include "nsMsgCompose.h"
+#include "nsIMsgCompose.h"
+#include "nsTHashMap.h"
+#include "nsIInterfaceRequestor.h"
+
+// This file specifies the definition of nsIMsgCompose.idl objects
+// in the JsAccount system.
+
+namespace mozilla {
+namespace mailnews {
+
+/* Header file */
+
+// This class is an XPCOM component, usable in JS, that calls the methods
+// in the C++ base class (bypassing any JS override).
+class JaBaseCppCompose : public nsMsgCompose, public nsIInterfaceRequestor {
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_NSIINTERFACEREQUESTOR
+  JaBaseCppCompose() {}
+
+ protected:
+  virtual ~JaBaseCppCompose() {}
+};
+
+class JaCppComposeDelegator : public JaBaseCppCompose, public msgIOverride {
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_MSGIOVERRIDE
+
+  NS_FORWARD_NSIMSGCOMPOSE(DELEGATE_JS(mJsIMsgCompose, mMethods, mCppBase)->)
+  NS_FORWARD_NSIMSGSENDLISTENER(
+      DELEGATE_JS(mJsIMsgSendListener, mMethods, mCppBase.get())->)
+  NS_FORWARD_NSIINTERFACEREQUESTOR(
+      DELEGATE_JS(
+          mJsIInterfaceRequestor, mMethods,
+          (nsCOMPtr<nsIInterfaceRequestor>(do_QueryInterface(mCppBase))))
+          ->)
+
+  JaCppComposeDelegator();
+
+ private:
+  virtual ~JaCppComposeDelegator() {}
+
+  // This class will call a method on the delegator, but force the use of the
+  // C++ cppBase class, bypassing any JS Delegate.
+  class Super : public nsIMsgCompose, public nsIInterfaceRequestor {
+   public:
+    explicit Super(JaCppComposeDelegator* aFakeThis) { mFakeThis = aFakeThis; }
+    NS_DECL_ISUPPORTS
+    // Forward all overridable methods, bypassing JS override.
+    NS_FORWARD_NSIMSGCOMPOSE(mFakeThis->JaBaseCppCompose::)
+    NS_FORWARD_NSIMSGSENDLISTENER(mFakeThis->JaBaseCppCompose::)
+    NS_FORWARD_NSIINTERFACEREQUESTOR(mFakeThis->JaBaseCppCompose::)
+   private:
+    virtual ~Super(){};
+    JaCppComposeDelegator* mFakeThis;
+  };
+
+  // Interfaces that may be overridden by JS.
+  nsCOMPtr<nsIMsgCompose> mJsIMsgCompose;
+  nsCOMPtr<nsIMsgSendListener> mJsIMsgSendListener;
+  nsCOMPtr<nsIInterfaceRequestor> mJsIInterfaceRequestor;
+
+  nsCOMPtr<nsISupports> mJsISupports;
+
+  // Class to bypass JS delegates.
+  nsCOMPtr<nsIMsgCompose> mCppBase;
+
+  RefPtr<DelegateList> mDelegateList;
+  nsTHashMap<nsCStringHashKey, bool>* mMethods;
+};
+
+}  // namespace mailnews
+}  // namespace mozilla
+
+#endif