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