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/* -*- mode: C++; tab-width: 4 -*- */
/* ===================================================================== *\
Copyright (c) 1998-2001 Palm, Inc. or its subsidiaries.
All rights reserved.
This file is part of the Palm OS Emulator.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
\* ===================================================================== */
#include "EmCommon.h"
#include "EmAction.h"
#include "ErrorHandling.h" // Errors::ReportIfError
#include "Strings.r.h" // kStr_GenericOperation
// ---------------------------------------------------------------------------
// EmActionComposite::EmActionComposite
// ---------------------------------------------------------------------------
EmActionComposite::EmActionComposite (void) :
EmAction (kStr_GenericOperation)
{
}
// ---------------------------------------------------------------------------
// EmActionComposite::~EmActionComposite
// ---------------------------------------------------------------------------
EmActionComposite::~EmActionComposite (void)
{
}
// ---------------------------------------------------------------------------
// EmActionComposite::Do
// ---------------------------------------------------------------------------
void EmActionComposite::Do (void)
{
EmActionList::iterator iter = fActions.begin ();
while (iter != fActions.end ())
{
(*iter)->Do ();
++iter;
}
}
// ---------------------------------------------------------------------------
// EmActionComposite::AddAction
// ---------------------------------------------------------------------------
void EmActionComposite::AddAction (EmAction* action)
{
fActions.push_back (action);
}
#pragma mark -
// ---------------------------------------------------------------------------
// EmActionHandler::EmActionHandler
// ---------------------------------------------------------------------------
EmActionHandler::EmActionHandler (void) :
fActions ()
{
}
// ---------------------------------------------------------------------------
// EmActionHandler::~EmActionHandler
// ---------------------------------------------------------------------------
EmActionHandler::~EmActionHandler (void)
{
this->DeleteAll ();
}
// ---------------------------------------------------------------------------
// EmActionHandler::PostAction
// ---------------------------------------------------------------------------
void EmActionHandler::PostAction (EmAction* action)
{
omni_mutex_lock lock (fMutex);
fActions.push_back (action);
}
// ---------------------------------------------------------------------------
// EmActionHandler::GetNextAction
// ---------------------------------------------------------------------------
EmAction* EmActionHandler::GetNextAction (void)
{
omni_mutex_lock lock (fMutex);
EmAction* result = NULL;
if (!fActions.empty ())
{
result = fActions.front ();
fActions.erase (fActions.begin ());
}
return result;
}
// ---------------------------------------------------------------------------
// EmActionHandler::GetNextAction
// ---------------------------------------------------------------------------
//
// This function is an EXCEPTION_CATCH_POINT.
void EmActionHandler::DoAll (void)
{
EmAction* action = NULL;
while ((action = this->GetNextAction ()) != NULL)
{
try
{
action->Do ();
}
catch (ErrCode errCode)
{
this->DeleteAll ();
StrCode operation = action->GetDescription ();
Errors::ReportIfError (operation, errCode, 0, false);
}
delete action;
}
}
// ---------------------------------------------------------------------------
// EmActionHandler::DeleteAll
// ---------------------------------------------------------------------------
void EmActionHandler::DeleteAll (void)
{
omni_mutex_lock lock (fMutex);
EmActionList::iterator iter = fActions.begin ();
while (iter != fActions.end ())
{
delete *iter;
++iter;
}
fActions.clear ();
}
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