diff options
Diffstat (limited to 'xfa/src/fxfa/src/parser/xfa_document_layout_imp.cpp')
| -rw-r--r-- | xfa/src/fxfa/src/parser/xfa_document_layout_imp.cpp | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/xfa/src/fxfa/src/parser/xfa_document_layout_imp.cpp b/xfa/src/fxfa/src/parser/xfa_document_layout_imp.cpp new file mode 100644 index 0000000000..5ca9bb7a9b --- /dev/null +++ b/xfa/src/fxfa/src/parser/xfa_document_layout_imp.cpp @@ -0,0 +1,201 @@ +// 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 "../../../foxitlib.h"
+#include "../common/xfa_utils.h"
+#include "../common/xfa_object.h"
+#include "../common/xfa_document.h"
+#include "../common/xfa_parser.h"
+#include "../common/xfa_script.h"
+#include "../common/xfa_docdata.h"
+#include "../common/xfa_doclayout.h"
+#include "../common/xfa_debug.h"
+#include "../common/xfa_localemgr.h"
+#include "../common/xfa_fm2jsapi.h"
+#include "xfa_debug_parser.h"
+#include "xfa_basic_imp.h"
+#include "xfa_document_imp.h"
+#include "xfa_document_layout_imp.h"
+#include "xfa_document_datamerger_imp.h"
+#include "xfa_layout_itemlayout.h"
+#include "xfa_layout_pagemgr_new.h"
+#include "xfa_layout_appadapter.h"
+CXFA_LayoutProcessor* CXFA_Document::GetLayoutProcessor()
+{
+ if(!m_pLayoutProcessor) {
+ m_pLayoutProcessor = FX_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;
+}
+FX_INT32 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 = (CXFA_Node*)m_pDocument->GetXFANode(XFA_HASHCODE_Form);
+ if (!pFormPacketNode) {
+ return -1;
+ }
+ CXFA_Node* pFormRoot = pFormPacketNode->GetFirstChildByClass(XFA_ELEMENT_Subform);
+ if(!pFormRoot) {
+ return -1;
+ }
+ if (!m_pLayoutPageMgr) {
+ m_pLayoutPageMgr = FX_NEW CXFA_LayoutPageMgr(this);
+ }
+ if (!m_pLayoutPageMgr->InitLayoutPage(pFormRoot)) {
+ return -1;
+ }
+ if (!m_pLayoutPageMgr->PrepareFirstPage(pFormRoot)) {
+ return -1;
+ }
+ m_pRootItemLayoutProcessor = FX_NEW CXFA_ItemLayoutProcessor(pFormRoot, m_pLayoutPageMgr);
+#ifndef _XFA_LAYOUTITEM_ProcessCACHE_
+ m_pRootItemLayoutProcessor->m_pPageMgrCreateItem = m_pLayoutPageMgr;
+#endif
+ m_nProgressCounter = 1;
+ return 0;
+}
+FX_INT32 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_ContentLayoutItemImpl* pLayoutItem = m_pRootItemLayoutProcessor->ExtractLayoutItem();
+ if(pLayoutItem) {
+ pLayoutItem->m_sPos.Set(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 (FX_INT32 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;
+}
+FX_INT32 CXFA_LayoutProcessor::CountPages() const
+{
+ return m_pLayoutPageMgr ? m_pLayoutPageMgr->GetPageCount() : 0;
+}
+IXFA_LayoutPage* CXFA_LayoutProcessor::GetPage(FX_INT32 index) const
+{
+ return m_pLayoutPageMgr ? m_pLayoutPageMgr->GetPage(index) : NULL;
+}
+CXFA_LayoutItem* CXFA_LayoutProcessor::GetLayoutItem(CXFA_Node *pFormItem)
+{
+ return (CXFA_LayoutItem*)pFormItem->GetUserData(XFA_LAYOUTITEMKEY);
+}
+void CXFA_LayoutProcessor::AddChangedContainer(CXFA_Node* pContainer)
+{
+ if (m_rgChangedContainers.Find(pContainer) < 0) {
+ m_rgChangedContainers.Add(pContainer);
+ }
+}
+CXFA_ContainerLayoutItemImpl* 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_LayoutItemImpl::CXFA_LayoutItemImpl(CXFA_Node *pNode, FX_BOOL bIsContentLayoutItem)
+ : m_pFormNode(pNode)
+ , m_bIsContentLayoutItem(bIsContentLayoutItem)
+ , m_pParent(NULL)
+ , m_pNextSibling(NULL)
+ , m_pFirstChild(NULL)
+{
+}
+CXFA_LayoutItemImpl::~CXFA_LayoutItemImpl()
+{
+}
+CXFA_ContainerLayoutItemImpl::CXFA_ContainerLayoutItemImpl(CXFA_Node *pNode)
+ : CXFA_LayoutItemImpl(pNode, FALSE), m_pOldSubform(NULL)
+{
+}
+CXFA_ContentLayoutItemImpl::CXFA_ContentLayoutItemImpl(CXFA_Node *pNode)
+ : CXFA_LayoutItemImpl(pNode, TRUE)
+ , m_pPrev(NULL)
+ , m_pNext(NULL)
+ , m_dwStatus(0)
+{
+}
+CXFA_ContentLayoutItemImpl::~CXFA_ContentLayoutItemImpl()
+{
+ if (m_pFormNode->GetUserData(XFA_LAYOUTITEMKEY) == this) {
+ m_pFormNode->SetUserData(XFA_LAYOUTITEMKEY, NULL);
+ }
+}
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