Source/core/editing/InsertIntoTextNodeCommand.cpp

/*
 * Copyright (C) 2005, 2008 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
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#include "config.h"
#include "core/editing/InsertIntoTextNodeCommand.h"

#include "bindings/v8/ExceptionStatePlaceholder.h"
#include "core/dom/Document.h"
#include "core/dom/Text.h"
#include "core/page/Settings.h"
#include "core/rendering/RenderText.h"

namespace WebCore {

InsertIntoTextNodeCommand::InsertIntoTextNodeCommand(PassRefPtr<Text> node, unsigned offset, const String& text)
    : SimpleEditCommand(node->document())
    , m_node(node)
    , m_offset(offset)
    , m_text(text)
{
    ASSERT(m_node);
    ASSERT(m_offset <= m_node->length());
    ASSERT(!m_text.isEmpty());
}

void InsertIntoTextNodeCommand::doApply()
{
    bool passwordEchoEnabled = document().settings() && document().settings()->passwordEchoEnabled();
    if (passwordEchoEnabled)
        document().updateLayoutIgnorePendingStylesheets();

    if (!m_node->rendererIsEditable())
        return;

    if (passwordEchoEnabled) {
        RenderText* renderText = toRenderText(m_node->renderer());
        if (renderText && renderText->isSecure())
            renderText->momentarilyRevealLastTypedCharacter(m_offset + m_text.length() - 1);
    }

    m_node->insertData(m_offset, m_text, IGNORE_EXCEPTION, DeprecatedAttachNow);
}

void InsertIntoTextNodeCommand::doUnapply()
{
    if (!m_node->rendererIsEditable())
        return;

    m_node->deleteData(m_offset, m_text.length(), IGNORE_EXCEPTION, DeprecatedAttachNow);
}

} // namespace WebCore