Source/WebCore/editing/InsertIntoTextNodeCommand.cpp

/*
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#include "config.h"
#include "InsertIntoTextNodeCommand.h"

#include "AXObjectCache.h"
#include "Text.h"
#include "RenderText.h"
#include "Settings.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()
{
    if (!m_node->rendererIsEditable())
        return;

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

    ExceptionCode ec;
    m_node->insertData(m_offset, m_text, ec);

    if (AXObjectCache::accessibilityEnabled())
        document()->axObjectCache()->nodeTextChangeNotification(m_node->renderer(), AXObjectCache::AXTextInserted, m_offset, m_text.length());
}

void InsertIntoTextNodeCommand::doUnapply()
{
    if (!m_node->rendererIsEditable())
        return;
        
    // Need to notify this before actually deleting the text
    if (AXObjectCache::accessibilityEnabled())
        document()->axObjectCache()->nodeTextChangeNotification(m_node->renderer(), AXObjectCache::AXTextDeleted, m_offset, m_text.length());

    ExceptionCode ec;
    m_node->deleteData(m_offset, m_text.length(), ec);
}

} // namespace WebCore