aseprite/src/app/cmd.cpp
2017-10-25 17:18:14 -03:00

123 lines
1.7 KiB
C++

// Aseprite
// Copyright (C) 2001-2017 David Capello
//
// This program is distributed under the terms of
// the End-User License Agreement for Aseprite.
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "app/cmd.h"
#include "base/debug.h"
#include "base/mem_utils.h"
#include <typeinfo>
#define CMD_TRACE(...)
namespace app {
Cmd::Cmd()
#if _DEBUG
: m_state(State::NotExecuted)
#endif
{
}
Cmd::~Cmd()
{
}
void Cmd::execute(Context* ctx)
{
CMD_TRACE("CMD: Executing cmd '%s'\n", typeid(*this).name());
ASSERT(m_state == State::NotExecuted);
m_ctx = ctx;
onExecute();
onFireNotifications();
#if _DEBUG
m_state = State::Executed;
#endif
}
void Cmd::undo()
{
CMD_TRACE("CMD: Undo cmd '%s'\n", typeid(*this).name());
ASSERT(m_state == State::Executed || m_state == State::Redone);
onUndo();
onFireNotifications();
#if _DEBUG
m_state = State::Undone;
#endif
}
void Cmd::redo()
{
CMD_TRACE("CMD: Redo cmd '%s'\n", typeid(*this).name());
ASSERT(m_state == State::Undone);
onRedo();
onFireNotifications();
#if _DEBUG
m_state = State::Redone;
#endif
}
void Cmd::dispose()
{
CMD_TRACE("CMD: Deleting '%s' (%s)\n",
typeid(*this).name(),
base::get_pretty_memory_size(memSize()).c_str());
delete this;
}
std::string Cmd::label() const
{
return onLabel();
}
size_t Cmd::memSize() const
{
return onMemSize();
}
void Cmd::onExecute()
{
// Do nothing
}
void Cmd::onUndo()
{
// Do nothing
}
void Cmd::onRedo()
{
// By default onRedo() uses onExecute() implementation
onExecute();
}
void Cmd::onFireNotifications()
{
// Do nothing
}
std::string Cmd::onLabel() const
{
return "";
}
size_t Cmd::onMemSize() const {
return sizeof(*this);
}
} // namespace app