| // Copyright 2016 The PDFium Authors |
| // 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/layout/cxfa_contentlayoutitem.h" |
| |
| #include "fxjs/xfa/cjx_object.h" |
| #include "third_party/base/check_op.h" |
| #include "xfa/fxfa/cxfa_ffwidget.h" |
| #include "xfa/fxfa/parser/cxfa_margin.h" |
| #include "xfa/fxfa/parser/cxfa_node.h" |
| |
| CXFA_ContentLayoutItem::CXFA_ContentLayoutItem(CXFA_Node* pNode, |
| CXFA_FFWidget* pWidget) |
| : CXFA_LayoutItem(pNode, kContentItem), m_pFFWidget(pWidget) { |
| if (m_pFFWidget) |
| m_pFFWidget->SetLayoutItem(this); |
| } |
| |
| CXFA_ContentLayoutItem::~CXFA_ContentLayoutItem() = default; |
| |
| void CXFA_ContentLayoutItem::Trace(cppgc::Visitor* visitor) const { |
| CXFA_LayoutItem::Trace(visitor); |
| visitor->Trace(m_pPrev); |
| visitor->Trace(m_pNext); |
| visitor->Trace(m_pFFWidget); |
| } |
| |
| CXFA_ContentLayoutItem* CXFA_ContentLayoutItem::GetFirst() { |
| CXFA_ContentLayoutItem* pCurNode = this; |
| while (auto* pPrev = pCurNode->GetPrev()) |
| pCurNode = pPrev; |
| |
| return pCurNode; |
| } |
| |
| CXFA_ContentLayoutItem* CXFA_ContentLayoutItem::GetLast() { |
| CXFA_ContentLayoutItem* pCurNode = this; |
| while (auto* pNext = pCurNode->GetNext()) |
| pCurNode = pNext; |
| |
| return pCurNode; |
| } |
| |
| void CXFA_ContentLayoutItem::InsertAfter(CXFA_ContentLayoutItem* pItem) { |
| CHECK_NE(this, pItem); |
| pItem->RemoveSelf(); |
| pItem->m_pNext = m_pNext; |
| pItem->m_pPrev = this; |
| m_pNext = pItem; |
| if (pItem->m_pNext) |
| pItem->m_pNext->m_pPrev = pItem; |
| } |
| |
| void CXFA_ContentLayoutItem::RemoveSelf() { |
| if (m_pNext) |
| m_pNext->m_pPrev = m_pPrev; |
| if (m_pPrev) |
| m_pPrev->m_pNext = m_pNext; |
| } |
| |
| CFX_RectF CXFA_ContentLayoutItem::GetRelativeRect() const { |
| return CFX_RectF(m_sPos, m_sSize); |
| } |
| |
| CFX_RectF CXFA_ContentLayoutItem::GetAbsoluteRect() const { |
| CFX_PointF sPos = m_sPos; |
| CFX_SizeF sSize = m_sSize; |
| |
| for (CXFA_LayoutItem* pLayoutItem = GetParent(); pLayoutItem; |
| pLayoutItem = pLayoutItem->GetParent()) { |
| if (CXFA_ContentLayoutItem* pContent = pLayoutItem->AsContentLayoutItem()) { |
| sPos += pContent->m_sPos; |
| CXFA_Margin* pMarginNode = |
| pContent->GetFormNode()->GetFirstChildByClass<CXFA_Margin>( |
| XFA_Element::Margin); |
| if (pMarginNode) { |
| sPos += CFX_PointF(pMarginNode->JSObject()->GetMeasureInUnit( |
| XFA_Attribute::LeftInset, XFA_Unit::Pt), |
| pMarginNode->JSObject()->GetMeasureInUnit( |
| XFA_Attribute::TopInset, XFA_Unit::Pt)); |
| } |
| continue; |
| } |
| |
| if (pLayoutItem->GetFormNode()->GetElementType() == |
| XFA_Element::ContentArea) { |
| sPos += |
| CFX_PointF(pLayoutItem->GetFormNode()->JSObject()->GetMeasureInUnit( |
| XFA_Attribute::X, XFA_Unit::Pt), |
| pLayoutItem->GetFormNode()->JSObject()->GetMeasureInUnit( |
| XFA_Attribute::Y, XFA_Unit::Pt)); |
| break; |
| } |
| if (pLayoutItem->GetFormNode()->GetElementType() == XFA_Element::PageArea) |
| break; |
| } |
| return CFX_RectF(sPos, sSize); |
| } |
| |
| size_t CXFA_ContentLayoutItem::GetIndex() const { |
| size_t szIndex = 0; |
| const CXFA_ContentLayoutItem* pCurNode = this; |
| while (auto* pPrev = pCurNode->GetPrev()) { |
| pCurNode = pPrev; |
| ++szIndex; |
| } |
| return szIndex; |
| } |