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110 lines
3.2 KiB
110 lines
3.2 KiB
// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "xfa/fxfa/layout/cxfa_contentlayoutitem.h"
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#include <utility>
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#include "fxjs/xfa/cjx_object.h"
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#include "xfa/fxfa/cxfa_ffwidget.h"
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#include "xfa/fxfa/parser/cxfa_margin.h"
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#include "xfa/fxfa/parser/cxfa_node.h"
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CXFA_ContentLayoutItem::CXFA_ContentLayoutItem(
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CXFA_Node* pNode,
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std::unique_ptr<CXFA_FFWidget> pWidget)
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: CXFA_LayoutItem(pNode, kContentItem), m_pFFWidget(std::move(pWidget)) {
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if (m_pFFWidget)
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m_pFFWidget->SetLayoutItem(this);
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}
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CXFA_ContentLayoutItem::~CXFA_ContentLayoutItem() {
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if (m_pFFWidget)
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m_pFFWidget->SetLayoutItem(nullptr);
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RemoveSelf();
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}
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CXFA_ContentLayoutItem* CXFA_ContentLayoutItem::GetFirst() {
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CXFA_ContentLayoutItem* pCurNode = this;
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while (auto* pPrev = pCurNode->GetPrev())
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pCurNode = pPrev;
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return pCurNode;
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}
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CXFA_ContentLayoutItem* CXFA_ContentLayoutItem::GetLast() {
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CXFA_ContentLayoutItem* pCurNode = this;
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while (auto* pNext = pCurNode->GetNext())
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pCurNode = pNext;
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return pCurNode;
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}
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void CXFA_ContentLayoutItem::InsertAfter(CXFA_ContentLayoutItem* pItem) {
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CHECK_NE(this, pItem);
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pItem->RemoveSelf();
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pItem->m_pNext = m_pNext;
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pItem->m_pPrev = this;
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m_pNext = pItem;
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if (pItem->m_pNext)
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pItem->m_pNext->m_pPrev = pItem;
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}
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void CXFA_ContentLayoutItem::RemoveSelf() {
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if (m_pNext)
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m_pNext->m_pPrev = m_pPrev;
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if (m_pPrev)
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m_pPrev->m_pNext = m_pNext;
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}
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CFX_RectF CXFA_ContentLayoutItem::GetRect(bool bRelative) const {
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CFX_PointF sPos = m_sPos;
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CFX_SizeF sSize = m_sSize;
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if (bRelative)
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return CFX_RectF(sPos, sSize);
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for (CXFA_LayoutItem* pLayoutItem = GetParent(); pLayoutItem;
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pLayoutItem = pLayoutItem->GetParent()) {
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if (CXFA_ContentLayoutItem* pContent = pLayoutItem->AsContentLayoutItem()) {
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sPos += pContent->m_sPos;
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CXFA_Margin* pMarginNode =
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pContent->GetFormNode()->GetFirstChildByClass<CXFA_Margin>(
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XFA_Element::Margin);
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if (pMarginNode) {
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sPos += CFX_PointF(pMarginNode->JSObject()->GetMeasureInUnit(
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XFA_Attribute::LeftInset, XFA_Unit::Pt),
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pMarginNode->JSObject()->GetMeasureInUnit(
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XFA_Attribute::TopInset, XFA_Unit::Pt));
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}
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continue;
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}
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if (pLayoutItem->GetFormNode()->GetElementType() ==
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XFA_Element::ContentArea) {
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sPos +=
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CFX_PointF(pLayoutItem->GetFormNode()->JSObject()->GetMeasureInUnit(
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XFA_Attribute::X, XFA_Unit::Pt),
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pLayoutItem->GetFormNode()->JSObject()->GetMeasureInUnit(
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XFA_Attribute::Y, XFA_Unit::Pt));
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break;
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}
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if (pLayoutItem->GetFormNode()->GetElementType() == XFA_Element::PageArea)
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break;
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}
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return CFX_RectF(sPos, sSize);
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}
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size_t CXFA_ContentLayoutItem::GetIndex() const {
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size_t szIndex = 0;
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const CXFA_ContentLayoutItem* pCurNode = this;
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while (auto* pPrev = pCurNode->GetPrev()) {
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pCurNode = pPrev;
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++szIndex;
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}
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return szIndex;
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}
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