diff options
Diffstat (limited to 'xfa/src/fxfa/parser/xfa_document_layout_imp.cpp')
| -rw-r--r-- | xfa/src/fxfa/parser/xfa_document_layout_imp.cpp | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/xfa/src/fxfa/parser/xfa_document_layout_imp.cpp b/xfa/src/fxfa/parser/xfa_document_layout_imp.cpp new file mode 100644 index 0000000000..2ac2bd6164 --- /dev/null +++ b/xfa/src/fxfa/parser/xfa_document_layout_imp.cpp @@ -0,0 +1,208 @@ +// Copyright 2014 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/src/fxfa/parser/xfa_document_layout_imp.h" + +#include "xfa/src/fxfa/fm2js/xfa_fm2jsapi.h" +#include "xfa/src/fxfa/parser/xfa_basic_imp.h" +#include "xfa/src/fxfa/parser/xfa_docdata.h" +#include "xfa/src/fxfa/parser/xfa_doclayout.h" +#include "xfa/src/fxfa/parser/xfa_document.h" +#include "xfa/src/fxfa/parser/xfa_document_datamerger_imp.h" +#include "xfa/src/fxfa/parser/xfa_layout_appadapter.h" +#include "xfa/src/fxfa/parser/xfa_layout_itemlayout.h" +#include "xfa/src/fxfa/parser/xfa_layout_pagemgr_new.h" +#include "xfa/src/fxfa/parser/xfa_localemgr.h" +#include "xfa/src/fxfa/parser/xfa_object.h" +#include "xfa/src/fxfa/parser/xfa_parser.h" +#include "xfa/src/fxfa/parser/xfa_script.h" +#include "xfa/src/fxfa/parser/xfa_utils.h" + +CXFA_LayoutProcessor* CXFA_Document::GetLayoutProcessor() { + if (!m_pLayoutProcessor) { + m_pLayoutProcessor = new CXFA_LayoutProcessor(this); + ASSERT(m_pLayoutProcessor); + } + return m_pLayoutProcessor; +} +IXFA_DocLayout* CXFA_Document::GetDocLayout() { + return GetLayoutProcessor(); +} +CXFA_LayoutProcessor::CXFA_LayoutProcessor(CXFA_Document* pDocument) + : m_pDocument(pDocument), + m_pRootItemLayoutProcessor(NULL), + m_pLayoutPageMgr(NULL), + m_nProgressCounter(0), + m_bNeeLayout(TRUE) {} +CXFA_LayoutProcessor::~CXFA_LayoutProcessor() { + ClearLayoutData(); +} +CXFA_Document* CXFA_LayoutProcessor::GetDocument() const { + return m_pDocument; +} +int32_t CXFA_LayoutProcessor::StartLayout(FX_BOOL bForceRestart) { + if (!bForceRestart && !IsNeedLayout()) { + return 100; + } + if (m_pRootItemLayoutProcessor) { + delete m_pRootItemLayoutProcessor; + m_pRootItemLayoutProcessor = NULL; + } + m_nProgressCounter = 0; + CXFA_Node* pFormPacketNode = + ToNode(m_pDocument->GetXFAObject(XFA_HASHCODE_Form)); + if (!pFormPacketNode) { + return -1; + } + CXFA_Node* pFormRoot = + pFormPacketNode->GetFirstChildByClass(XFA_ELEMENT_Subform); + if (!pFormRoot) { + return -1; + } + if (!m_pLayoutPageMgr) { + m_pLayoutPageMgr = new CXFA_LayoutPageMgr(this); + } + if (!m_pLayoutPageMgr->InitLayoutPage(pFormRoot)) { + return -1; + } + if (!m_pLayoutPageMgr->PrepareFirstPage(pFormRoot)) { + return -1; + } + m_pRootItemLayoutProcessor = + new CXFA_ItemLayoutProcessor(pFormRoot, m_pLayoutPageMgr); + m_nProgressCounter = 1; + return 0; +} +int32_t CXFA_LayoutProcessor::DoLayout(IFX_Pause* pPause) { + if (m_nProgressCounter < 1) { + return -1; + } + XFA_ItemLayoutProcessorResult eStatus; + CXFA_Node* pFormNode = m_pRootItemLayoutProcessor->GetFormNode(); + FX_FLOAT fPosX = pFormNode->GetMeasure(XFA_ATTRIBUTE_X).ToUnit(XFA_UNIT_Pt); + FX_FLOAT fPosY = pFormNode->GetMeasure(XFA_ATTRIBUTE_Y).ToUnit(XFA_UNIT_Pt); + do { + FX_FLOAT fAvailHeight = m_pLayoutPageMgr->GetAvailHeight(); + eStatus = + m_pRootItemLayoutProcessor->DoLayout(TRUE, fAvailHeight, fAvailHeight); + if (eStatus != XFA_ItemLayoutProcessorResult_Done) { + m_nProgressCounter++; + } + CXFA_ContentLayoutItem* pLayoutItem = + m_pRootItemLayoutProcessor->ExtractLayoutItem(); + if (pLayoutItem) { + pLayoutItem->m_sPos = CFX_PointF(fPosX, fPosY); + } + m_pLayoutPageMgr->SubmitContentItem(pLayoutItem, eStatus); + } while (eStatus != XFA_ItemLayoutProcessorResult_Done && + (!pPause || !pPause->NeedToPauseNow())); + if (eStatus == XFA_ItemLayoutProcessorResult_Done) { + m_pLayoutPageMgr->FinishPaginatedPageSets(); + m_pLayoutPageMgr->SyncLayoutData(); + m_bNeeLayout = FALSE; + m_rgChangedContainers.RemoveAll(); + } + return 100 * (eStatus == XFA_ItemLayoutProcessorResult_Done + ? m_nProgressCounter + : m_nProgressCounter - 1) / + m_nProgressCounter; +} +FX_BOOL CXFA_LayoutProcessor::IncrementLayout() { + if (m_bNeeLayout) { + StartLayout(TRUE); + return DoLayout(NULL) == 100; + } + for (int32_t i = 0, c = m_rgChangedContainers.GetSize(); i < c; i++) { + CXFA_Node* pNode = m_rgChangedContainers[i]; + CXFA_Node* pParentNode = + pNode->GetNodeItem(XFA_NODEITEM_Parent, XFA_OBJECTTYPE_ContainerNode); + if (!pParentNode) { + return FALSE; + } + if (!CXFA_ItemLayoutProcessor::IncrementRelayoutNode(this, pNode, + pParentNode)) { + return FALSE; + } + } + m_rgChangedContainers.RemoveAll(); + return TRUE; +} +int32_t CXFA_LayoutProcessor::CountPages() const { + return m_pLayoutPageMgr ? m_pLayoutPageMgr->GetPageCount() : 0; +} +IXFA_LayoutPage* CXFA_LayoutProcessor::GetPage(int32_t index) const { + return m_pLayoutPageMgr ? m_pLayoutPageMgr->GetPage(index) : NULL; +} +CXFA_LayoutItem* CXFA_LayoutProcessor::GetLayoutItem(CXFA_Node* pFormItem) { + return static_cast<CXFA_LayoutItem*>( + pFormItem->GetUserData(XFA_LAYOUTITEMKEY)); +} +void CXFA_LayoutProcessor::AddChangedContainer(CXFA_Node* pContainer) { + if (m_rgChangedContainers.Find(pContainer) < 0) { + m_rgChangedContainers.Add(pContainer); + } +} +CXFA_ContainerLayoutItem* CXFA_LayoutProcessor::GetRootLayoutItem() const { + return m_pLayoutPageMgr ? m_pLayoutPageMgr->GetRootLayoutItem() : NULL; +} +void CXFA_LayoutProcessor::ClearLayoutData() { + if (m_pLayoutPageMgr) { + delete m_pLayoutPageMgr; + m_pLayoutPageMgr = NULL; + } + if (m_pRootItemLayoutProcessor) { + delete m_pRootItemLayoutProcessor; + m_pRootItemLayoutProcessor = NULL; + } + m_nProgressCounter = 0; +} +FX_BOOL CXFA_LayoutProcessor::IsNeedLayout() { + return m_bNeeLayout || m_rgChangedContainers.GetSize() > 0; +} +CXFA_LayoutItem::CXFA_LayoutItem(CXFA_Node* pNode, FX_BOOL bIsContentLayoutItem) + : m_pFormNode(pNode), + m_pParent(NULL), + m_pNextSibling(NULL), + m_pFirstChild(NULL), + m_bIsContentLayoutItem(bIsContentLayoutItem) {} +CXFA_LayoutItem::~CXFA_LayoutItem() {} +CXFA_ContainerLayoutItem::CXFA_ContainerLayoutItem(CXFA_Node* pNode) + : CXFA_LayoutItem(pNode, FALSE), m_pOldSubform(NULL) {} +IXFA_DocLayout* CXFA_ContainerLayoutItem::GetLayout() const { + return m_pFormNode->GetDocument()->GetLayoutProcessor(); +} +int32_t CXFA_ContainerLayoutItem::GetPageIndex() const { + return m_pFormNode->GetDocument() + ->GetLayoutProcessor() + ->GetLayoutPageMgr() + ->GetPageIndex(this); +} +void CXFA_ContainerLayoutItem::GetPageSize(CFX_SizeF& size) { + size.clear(); + CXFA_Node* pMedium = m_pFormNode->GetFirstChildByClass(XFA_ELEMENT_Medium); + if (!pMedium) + return; + + size = CFX_SizeF(pMedium->GetMeasure(XFA_ATTRIBUTE_Short).ToUnit(XFA_UNIT_Pt), + pMedium->GetMeasure(XFA_ATTRIBUTE_Long).ToUnit(XFA_UNIT_Pt)); + if (pMedium->GetEnum(XFA_ATTRIBUTE_Orientation) == + XFA_ATTRIBUTEENUM_Landscape) { + size = CFX_SizeF(size.y, size.x); + } +} +CXFA_Node* CXFA_ContainerLayoutItem::GetMasterPage() const { + return m_pFormNode; +} +CXFA_ContentLayoutItem::CXFA_ContentLayoutItem(CXFA_Node* pNode) + : CXFA_LayoutItem(pNode, TRUE), + m_pPrev(NULL), + m_pNext(NULL), + m_dwStatus(0) {} +CXFA_ContentLayoutItem::~CXFA_ContentLayoutItem() { + if (m_pFormNode->GetUserData(XFA_LAYOUTITEMKEY) == this) { + m_pFormNode->SetUserData(XFA_LAYOUTITEMKEY, NULL); + } +} |