DefaultUndoController.cpp [plain text]
#include "config.h"
#include "DefaultUndoController.h"
#include "WebEditCommandProxy.h"
#include <wtf/RefPtr.h>
namespace WebKit {
void DefaultUndoController::registerEditCommand(PassRefPtr<WebEditCommandProxy> command, WebPageProxy::UndoOrRedo undoOrRedo)
{
if (undoOrRedo == WebPageProxy::Undo)
m_undoStack.append(command);
else
m_redoStack.append(command);
}
void DefaultUndoController::clearAllEditCommands()
{
m_undoStack.clear();
m_redoStack.clear();
}
bool DefaultUndoController::canUndoRedo(WebPageProxy::UndoOrRedo undoOrRedo)
{
if (undoOrRedo == WebPageProxy::Undo)
return !m_undoStack.isEmpty();
return !m_redoStack.isEmpty();
}
void DefaultUndoController::executeUndoRedo(WebPageProxy::UndoOrRedo undoOrRedo)
{
RefPtr<WebEditCommandProxy> command;
if (undoOrRedo == WebPageProxy::Undo) {
command = m_undoStack.last();
m_undoStack.removeLast();
command->unapply();
} else {
command = m_redoStack.last();
m_redoStack.removeLast();
command->reapply();
}
}
}