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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 <vcl/errcode.hxx>
#include <vcl/dllapi.h>
#include <o3tl/typed_flags_set.hxx>
#include <vector>
#include <memory>
#include <limits.h>
namespace weld { class Window; }
class ErrorHandler;
class ErrorContext;
class ErrorInfo;
class DynamicErrorInfo;
class ImplDynamicErrorInfo;
enum class DialogMask;
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;
friend class ImplDynamicErrorInfo;
public:
ErrorRegistry();
static void RegisterDisplay(BasicDisplayErrorFunc*);
static void RegisterDisplay(WindowDisplayErrorFunc*);
static void Reset();
private:
DisplayFnPtr pDsp;
bool bIsWindowDsp;
sal_uInt16 nNextError;
std::vector<ErrorHandler*> errorHandlers;
std::vector<ErrorContext*> contexts;
DynamicErrorInfo* ppDynErrInfo[ERRCODE_DYNAMIC_COUNT];
};
enum class DialogMask
{
NONE = 0x0000,
ButtonsOk = 0x0001,
ButtonsCancel = 0x0002,
ButtonsRetry = 0x0004,
ButtonsNo = 0x0008,
ButtonsYes = 0x0010,
ButtonsYesNo = 0x0018,
ButtonDefaultsOk = 0x0100,
ButtonDefaultsCancel = 0x0200,
ButtonDefaultsYes = 0x0300,
ButtonDefaultsNo = 0x0400,
MessageError = 0x1000,
MessageWarning = 0x2000,
MessageInfo = 0x3000,
MAX = USHRT_MAX,
};
namespace o3tl
{
template<> struct typed_flags<DialogMask> : is_typed_flags<DialogMask, 0xffff> {};
}
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(ErrCode nId, weld::Window* pParent = nullptr, DialogMask nMask = DialogMask::MAX);
static bool GetErrorString(ErrCode nId, OUString& rStr);
protected:
virtual bool CreateString(const ErrorInfo*, OUString &) const = 0;
};
class SAL_WARN_UNUSED VCL_DLLPUBLIC ErrorInfo
{
public:
ErrorInfo(ErrCode nArgUserId) :
nUserId(nArgUserId) {}
virtual ~ErrorInfo();
ErrCode const & GetErrorCode() const { return nUserId; }
static std::unique_ptr<ErrorInfo> GetErrorInfo(ErrCode);
private:
ErrCode nUserId;
};
class SAL_WARN_UNUSED VCL_DLLPUBLIC DynamicErrorInfo : public ErrorInfo
{
friend class ImplDynamicErrorInfo;
public:
DynamicErrorInfo(ErrCode nUserId, DialogMask nMask);
virtual ~DynamicErrorInfo() override;
operator ErrCode() const;
DialogMask GetDialogMask() const;
private:
std::unique_ptr<ImplDynamicErrorInfo> pImpl;
};
class SAL_WARN_UNUSED VCL_DLLPUBLIC StringErrorInfo final : public DynamicErrorInfo
{
public:
StringErrorInfo(ErrCode nUserId,
const OUString& aStringP,
DialogMask nMask = DialogMask::NONE);
const OUString& GetErrorString() const { return aString; }
private:
OUString aString;
};
class SAL_WARN_UNUSED VCL_DLLPUBLIC TwoStringErrorInfo final : public DynamicErrorInfo
{
public:
TwoStringErrorInfo(ErrCode nUserID, const OUString & rTheArg1,
const OUString & rTheArg2, DialogMask nMask):
DynamicErrorInfo(nUserID, nMask), aArg1(rTheArg1), aArg2(rTheArg2) {}
const OUString& GetArg1() const { return aArg1; }
const OUString& GetArg2() const { return aArg2; }
private:
OUString aArg1;
OUString aArg2;
};
struct ImplErrorContext;
class SAL_WARN_UNUSED VCL_DLLPUBLIC ErrorContext
{
friend class ErrorHandler;
public:
ErrorContext(weld::Window *pWin);
virtual ~ErrorContext();
virtual bool GetString(ErrCode nErrId, OUString& rCtxStr) = 0;
weld::Window* GetParent();
static ErrorContext* GetContext();
private:
std::unique_ptr<ImplErrorContext> pImpl;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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