InsertNodeBeforeCommand.cpp   [plain text]

/*
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#include "config.h"
#include "InsertNodeBeforeCommand.h"

#include "AXObjectCache.h"
#include "Document.h"
#include "ExceptionCodePlaceholder.h"
#include "htmlediting.h"

namespace WebCore {

InsertNodeBeforeCommand::InsertNodeBeforeCommand(PassRefPtr<Node> insertChild, PassRefPtr<Node> refChild,
    ShouldAssumeContentIsAlwaysEditable shouldAssumeContentIsAlwaysEditable)
    : SimpleEditCommand(refChild->document())
    , m_insertChild(insertChild)
    , m_refChild(refChild)
    , m_shouldAssumeContentIsAlwaysEditable(shouldAssumeContentIsAlwaysEditable)
{
    ASSERT(m_insertChild);
    ASSERT(!m_insertChild->parentNode());
    ASSERT(m_refChild);
    ASSERT(m_refChild->parentNode());

    ASSERT(m_refChild->parentNode()->rendererIsEditable() || !m_refChild->parentNode()->attached());
}

void InsertNodeBeforeCommand::doApply()
{
    ContainerNode* parent = m_refChild->parentNode();
    if (!parent || (m_shouldAssumeContentIsAlwaysEditable == DoNotAssumeContentIsAlwaysEditable && !parent->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable)))
        return;
    ASSERT(parent->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable));

    parent->insertBefore(m_insertChild.get(), m_refChild.get(), IGNORE_EXCEPTION, AttachLazily);

    if (AXObjectCache* cache = document()->existingAXObjectCache())
        cache->nodeTextChangeNotification(m_insertChild.get(), AXObjectCache::AXTextInserted, 0, m_insertChild->nodeValue());
}

void InsertNodeBeforeCommand::doUnapply()
{
    if (!m_insertChild->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable))
        return;

    // Need to notify this before actually deleting the text
    if (AXObjectCache* cache = document()->existingAXObjectCache())
        cache->nodeTextChangeNotification(m_insertChild.get(), AXObjectCache::AXTextDeleted, 0, m_insertChild->nodeValue());

    m_insertChild->remove(IGNORE_EXCEPTION);
}

#ifndef NDEBUG
void InsertNodeBeforeCommand::getNodesInCommand(HashSet<Node*>& nodes)
{
    addNodeAndDescendants(m_insertChild.get(), nodes);
    addNodeAndDescendants(m_refChild.get(), nodes);
}
#endif

}