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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 .
*/
#include <osl/diagnose.h>
#include <sal/log.hxx>
#include <tools/debug.hxx>
#include <utility>
#include <vcl/errinf.hxx>
#include <algorithm>
#include <vector>
class ErrorHandler;
namespace {
ErrorRegistry& GetErrorRegistry()
{
static ErrorRegistry gErrorRegistry;
return gErrorRegistry;
}
}
bool ErrorStringFactory::CreateString(const ErrCodeMsg& nInfo, OUString& rStr)
{
for(const ErrorHandler *pHdlr : GetErrorRegistry().errorHandlers)
{
if(pHdlr->CreateString(nInfo, rStr))
return true;
}
return false;
}
ErrorRegistry::ErrorRegistry()
: pDsp(nullptr)
, bIsWindowDsp(false)
, m_bLock(false)
{
}
void ErrorRegistry::RegisterDisplay(BasicDisplayErrorFunc *aDsp)
{
ErrorRegistry &rData = GetErrorRegistry();
rData.bIsWindowDsp = false;
rData.pDsp = reinterpret_cast< DisplayFnPtr >(aDsp);
}
void ErrorRegistry::RegisterDisplay(WindowDisplayErrorFunc *aDsp)
{
ErrorRegistry &rData = GetErrorRegistry();
rData.bIsWindowDsp = true;
rData.pDsp = reinterpret_cast< DisplayFnPtr >(aDsp);
}
void ErrorRegistry::SetLock(bool bLock)
{
ErrorRegistry& rData = GetErrorRegistry();
rData.m_bLock = bLock;
}
bool ErrorRegistry::GetLock()
{
ErrorRegistry& rData = GetErrorRegistry();
return rData.m_bLock;
}
void ErrorRegistry::Reset()
{
ErrorRegistry &rData = GetErrorRegistry();
rData = ErrorRegistry();
}
static void aDspFunc(const OUString &rErr, const OUString &rAction)
{
SAL_WARN("vcl", "Action: " << rAction << " Error: " << rErr);
}
ErrorHandler::ErrorHandler()
{
ErrorRegistry &rData = GetErrorRegistry();
rData.errorHandlers.insert(rData.errorHandlers.begin(), this);
if(!rData.pDsp)
ErrorRegistry::RegisterDisplay(&aDspFunc);
}
ErrorHandler::~ErrorHandler()
{
auto &rErrorHandlers = GetErrorRegistry().errorHandlers;
std::erase(rErrorHandlers, this);
}
bool ErrorHandler::GetErrorString(const ErrCodeMsg& nErrCode, OUString& rErrStr)
{
OUString aErr;
if(!nErrCode || nErrCode == ERRCODE_ABORT)
return false;
if (ErrorStringFactory::CreateString(nErrCode, aErr))
{
rErrStr = aErr;
return true;
}
return false;
}
DialogMask ErrorHandler::HandleError(const ErrCodeMsg& nErr, weld::Window *pParent, DialogMask nFlags)
{
if (nErr == ERRCODE_NONE || nErr == ERRCODE_ABORT)
return DialogMask::NONE;
ErrorRegistry &rData = GetErrorRegistry();
OUString aAction;
if (!rData.contexts.empty())
{
rData.contexts.front()->GetString(nErr, aAction);
for(ErrorContext *pCtx : rData.contexts)
{
if(pCtx->GetParent())
{
pParent = pCtx->GetParent();
break;
}
}
}
bool bWarning = nErr.IsWarning();
DialogMask nErrFlags = DialogMask::ButtonDefaultsOk | DialogMask::ButtonsOk;
if (bWarning)
nErrFlags |= DialogMask::MessageWarning;
else
nErrFlags |= DialogMask::MessageError;
if( nErr.GetDialogMask() != DialogMask::NONE )
nErrFlags = nErr.GetDialogMask();
OUString aErr;
if (ErrorStringFactory::CreateString(nErr, aErr))
{
if (!rData.pDsp || rData.m_bLock)
{
SAL_WARN( "vcl", "Action: " << aAction << "Error: " << aErr);
}
else
{
if(!rData.bIsWindowDsp)
{
(*reinterpret_cast<BasicDisplayErrorFunc*>(rData.pDsp))(aErr,aAction);
return DialogMask::NONE;
}
else
{
if (nFlags != DialogMask::MAX)
nErrFlags = nFlags;
return (*reinterpret_cast<WindowDisplayErrorFunc*>(rData.pDsp))(
pParent, nErrFlags, aErr, aAction);
}
}
}
SAL_WARN( "vcl", "Error not handled " << nErr);
// Error 1 (ERRCODE_ABORT) is classified as a General Error in sfx
if (nErr.GetCode() != ERRCODE_ABORT)
HandleError(ERRCODE_ABORT);
else
OSL_FAIL("ERRCODE_ABORT not handled");
return DialogMask::NONE;
}
struct ImplErrorContext
{
weld::Window *pWin;
};
ErrorContext::ErrorContext(weld::Window *pWinP)
: pImpl( new ImplErrorContext )
{
pImpl->pWin = pWinP;
GetErrorRegistry().contexts.insert(GetErrorRegistry().contexts.begin(), this);
}
ErrorContext::~ErrorContext()
{
auto &rContexts = GetErrorRegistry().contexts;
std::erase(rContexts, this);
}
ErrorContext *ErrorContext::GetContext()
{
return GetErrorRegistry().contexts.empty() ? nullptr : GetErrorRegistry().contexts.front();
}
weld::Window* ErrorContext::GetParent()
{
return pImpl ? pImpl->pWin : nullptr;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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