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path: root/xfa/fxfa/parser/xfa_document_layout_imp.cpp
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Diffstat (limited to 'xfa/fxfa/parser/xfa_document_layout_imp.cpp')
-rw-r--r--xfa/fxfa/parser/xfa_document_layout_imp.cpp208
1 files changed, 208 insertions, 0 deletions
diff --git a/xfa/fxfa/parser/xfa_document_layout_imp.cpp b/xfa/fxfa/parser/xfa_document_layout_imp.cpp
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+++ b/xfa/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/fxfa/parser/xfa_document_layout_imp.h"
+
+#include "xfa/fxfa/fm2js/xfa_fm2jsapi.h"
+#include "xfa/fxfa/parser/xfa_basic_imp.h"
+#include "xfa/fxfa/parser/xfa_docdata.h"
+#include "xfa/fxfa/parser/xfa_doclayout.h"
+#include "xfa/fxfa/parser/xfa_document.h"
+#include "xfa/fxfa/parser/xfa_document_datamerger_imp.h"
+#include "xfa/fxfa/parser/xfa_layout_appadapter.h"
+#include "xfa/fxfa/parser/xfa_layout_itemlayout.h"
+#include "xfa/fxfa/parser/xfa_layout_pagemgr_new.h"
+#include "xfa/fxfa/parser/xfa_localemgr.h"
+#include "xfa/fxfa/parser/xfa_object.h"
+#include "xfa/fxfa/parser/xfa_parser.h"
+#include "xfa/fxfa/parser/xfa_script.h"
+#include "xfa/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);
+ }
+}