1 files changed, 134 insertions, 0 deletions
diff --git a/include/vcl/errinf.hxx b/include/vcl/errinf.hxx
new file mode 100644
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+++ b/include/vcl/errinf.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_VCL_ERRINF_HXX
+#define INCLUDED_VCL_ERRINF_HXX
+
+#include <rtl/ustring.hxx>
+#include <utility>
+#include <comphelper/errcode.hxx>
+#include <vcl/dllapi.h>
+
+#include <vector>
+#include <memory>
+
+#include <limits.h>
+
+namespace weld { class Window; }
+
+class ErrorHandler;
+class ErrorContext;
+enum class DialogMask;
+
+class VCL_DLLPUBLIC ErrorStringFactory
+{
+public:
+    static bool CreateString(const ErrCodeMsg&, OUString&);
+};
+
+typedef void (* DisplayFnPtr)();
+
+typedef DialogMask WindowDisplayErrorFunc(
+    weld::Window*, DialogMask eMask, const OUString &rErr, const OUString &rAction);
+
+typedef void BasicDisplayErrorFunc(
+    const OUString &rErr, const OUString &rAction);
+
+class VCL_DLLPUBLIC ErrorRegistry
+{
+    friend class ErrorHandler;
+    friend class ErrorContext;
+    friend class ErrorStringFactory;
+
+public:
+                                ErrorRegistry();
+
+    static void                 RegisterDisplay(BasicDisplayErrorFunc*);
+    static void                 RegisterDisplay(WindowDisplayErrorFunc*);
+
+    static void SetLock(bool bLock);
+    static bool GetLock();
+
+    static void                 Reset();
+
+private:
+    DisplayFnPtr                pDsp;
+    bool                        bIsWindowDsp;
+
+    bool m_bLock;
+
+    std::vector<ErrorHandler*>  errorHandlers;
+    std::vector<ErrorContext*>  contexts;
+};
+
+class SAL_WARN_UNUSED VCL_DLLPUBLIC ErrorHandler
+{
+    friend class ErrorStringFactory;
+
+public:
+                            ErrorHandler();
+    virtual                 ~ErrorHandler();
+
+    /** Handles an error.
+
+        If nFlags is not set, the DynamicErrorInfo flags or the
+        resource flags will be used. Thus the order is:
+
+        1. nFlags,
+        2. Resource Flags
+        3. Dynamic Flags
+        4. Default ButtonsOk, MessageError
+
+        @param nErrCodeId        error id
+        @param pParent           parent window the error dialog will be modal for. nullptr for unrecommended "pick default"
+        @param nFlags            error flags.
+
+        @return what sort of dialog to use, with what buttons
+    */
+    static DialogMask       HandleError(const ErrCodeMsg& nId, weld::Window* pParent = nullptr, DialogMask nMask = DialogMask::MAX);
+    static bool             GetErrorString(const ErrCodeMsg& nId, OUString& rStr);
+
+protected:
+    virtual bool            CreateString(const ErrCodeMsg&, OUString &) const = 0;
+
+};
+
+struct ImplErrorContext;
+
+class SAL_WARN_UNUSED VCL_DLLPUBLIC ErrorContext
+{
+    friend class ErrorHandler;
+
+public:
+                            ErrorContext(weld::Window *pWin);
+    virtual                 ~ErrorContext();
+
+    virtual bool            GetString(const ErrCodeMsg& nErrId, OUString& rCtxStr) = 0;
+    weld::Window*           GetParent();
+
+    static ErrorContext*    GetContext();
+
+private:
+    std::unique_ptr<ImplErrorContext> pImpl;
+
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */