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// Copyright 2016 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "xfa/fxfa/parser/cxfa_layoutitem.h"
#include "xfa/fxfa/app/xfa_ffnotify.h"
#include "xfa/fxfa/parser/cxfa_containerlayoutitem.h"
#include "xfa/fxfa/parser/cxfa_contentlayoutitem.h"
void XFA_ReleaseLayoutItem(CXFA_LayoutItem* pLayoutItem) {
CXFA_LayoutItem* pNode = pLayoutItem->m_pFirstChild;
CXFA_FFNotify* pNotify = pLayoutItem->m_pFormNode->GetDocument()->GetNotify();
CXFA_LayoutProcessor* pDocLayout =
pLayoutItem->m_pFormNode->GetDocument()->GetDocLayout();
while (pNode) {
CXFA_LayoutItem* pNext = pNode->m_pNextSibling;
pNode->m_pParent = nullptr;
pNotify->OnLayoutItemRemoving(pDocLayout,
static_cast<CXFA_LayoutItem*>(pNode));
XFA_ReleaseLayoutItem(pNode);
pNode = pNext;
}
pNotify->OnLayoutItemRemoving(pDocLayout, pLayoutItem);
if (pLayoutItem->m_pFormNode->GetElementType() == XFA_Element::PageArea) {
pNotify->OnPageEvent(static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem),
XFA_PAGEVIEWEVENT_PostRemoved);
}
delete pLayoutItem;
}
CXFA_LayoutItem::CXFA_LayoutItem(CXFA_Node* pNode, bool bIsContentLayoutItem)
: m_pFormNode(pNode),
m_pParent(nullptr),
m_pNextSibling(nullptr),
m_pFirstChild(nullptr),
m_bIsContentLayoutItem(bIsContentLayoutItem) {}
CXFA_LayoutItem::~CXFA_LayoutItem() {}
CXFA_ContainerLayoutItem* CXFA_LayoutItem::AsContainerLayoutItem() {
return IsContainerLayoutItem() ? static_cast<CXFA_ContainerLayoutItem*>(this)
: nullptr;
}
CXFA_ContentLayoutItem* CXFA_LayoutItem::AsContentLayoutItem() {
return IsContentLayoutItem() ? static_cast<CXFA_ContentLayoutItem*>(this)
: nullptr;
}
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