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Diffstat (limited to 'fpdfsdk/cpdfsdk_pageview.cpp')
| -rw-r--r-- | fpdfsdk/cpdfsdk_pageview.cpp | 587 |
1 files changed, 587 insertions, 0 deletions
diff --git a/fpdfsdk/cpdfsdk_pageview.cpp b/fpdfsdk/cpdfsdk_pageview.cpp new file mode 100644 index 0000000000..ae0d3fa7df --- /dev/null +++ b/fpdfsdk/cpdfsdk_pageview.cpp @@ -0,0 +1,587 @@ +// Copyright 2016 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 "fpdfsdk/include/cpdfsdk_pageview.h" + +#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h" +#include "core/fpdfdoc/include/cpdf_annotlist.h" +#include "core/fpdfdoc/include/cpdf_interform.h" +#include "fpdfsdk/include/cpdfdoc_environment.h" +#include "fpdfsdk/include/cpdfsdk_annot.h" +#include "fpdfsdk/include/cpdfsdk_annothandlermgr.h" +#include "fpdfsdk/include/cpdfsdk_annotiterator.h" +#include "fpdfsdk/include/cpdfsdk_interform.h" + +#ifdef PDF_ENABLE_XFA +#include "fpdfsdk/fpdfxfa/include/fpdfxfa_page.h" +#include "xfa/fxfa/include/xfa_ffdocview.h" +#include "xfa/fxfa/include/xfa_ffpageview.h" +#include "xfa/fxfa/include/xfa_ffwidgethandler.h" +#include "xfa/fxfa/include/xfa_rendercontext.h" +#include "xfa/fxgraphics/include/cfx_graphics.h" +#endif // PDF_ENABLE_XFA + +CPDFSDK_PageView::CPDFSDK_PageView(CPDFSDK_Document* pSDKDoc, + UnderlyingPageType* page) + : m_page(page), + m_pSDKDoc(pSDKDoc), + m_CaptureWidget(nullptr), +#ifndef PDF_ENABLE_XFA + m_bOwnsPage(false), +#endif // PDF_ENABLE_XFA + m_bEnterWidget(FALSE), + m_bExitWidget(FALSE), + m_bOnWidget(FALSE), + m_bValid(FALSE), + m_bLocked(FALSE) { + CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm(); + if (pInterForm) { + CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm(); +#ifdef PDF_ENABLE_XFA + if (page->GetPDFPage()) + pPDFInterForm->FixPageFields(page->GetPDFPage()); +#else // PDF_ENABLE_XFA + pPDFInterForm->FixPageFields(page); +#endif // PDF_ENABLE_XFA + } +#ifndef PDF_ENABLE_XFA + m_page->SetView(this); +#endif // PDF_ENABLE_XFA +} + +CPDFSDK_PageView::~CPDFSDK_PageView() { +#ifndef PDF_ENABLE_XFA + // The call to |ReleaseAnnot| can cause the page pointed to by |m_page| to + // be freed, which will cause issues if we try to cleanup the pageview pointer + // in |m_page|. So, reset the pageview pointer before doing anything else. + m_page->SetView(nullptr); +#endif // PDF_ENABLE_XFA + + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); + for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) + pAnnotHandlerMgr->ReleaseAnnot(pAnnot); + + m_fxAnnotArray.clear(); + m_pAnnotList.reset(); + +#ifndef PDF_ENABLE_XFA + if (m_bOwnsPage) + delete m_page; +#endif // PDF_ENABLE_XFA +} + +void CPDFSDK_PageView::PageView_OnDraw(CFX_RenderDevice* pDevice, + CFX_Matrix* pUser2Device, +#ifdef PDF_ENABLE_XFA + CPDF_RenderOptions* pOptions, + const FX_RECT& pClip) { +#else + CPDF_RenderOptions* pOptions) { +#endif // PDF_ENABLE_XFA + m_curMatrix = *pUser2Device; + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + +#ifdef PDF_ENABLE_XFA + CPDFXFA_Page* pPage = GetPDFXFAPage(); + if (!pPage) + return; + + if (pPage->GetDocument()->GetDocType() == DOCTYPE_DYNAMIC_XFA) { + CFX_Graphics gs; + gs.Create(pDevice); + CFX_RectF rectClip; + rectClip.Set(static_cast<FX_FLOAT>(pClip.left), + static_cast<FX_FLOAT>(pClip.top), + static_cast<FX_FLOAT>(pClip.Width()), + static_cast<FX_FLOAT>(pClip.Height())); + gs.SetClipRect(rectClip); + std::unique_ptr<CXFA_RenderContext> pRenderContext(new CXFA_RenderContext); + CXFA_RenderOptions renderOptions; + renderOptions.m_bHighlight = TRUE; + CXFA_FFPageView* xfaView = pPage->GetXFAPageView(); + pRenderContext->StartRender(xfaView, &gs, *pUser2Device, renderOptions); + pRenderContext->DoRender(); + pRenderContext->StopRender(); + CXFA_FFDocView* docView = xfaView->GetDocView(); + if (!docView) + return; + CPDFSDK_Annot* annot = GetFocusAnnot(); + if (!annot) + return; + // Render the focus widget + docView->GetWidgetHandler()->RenderWidget(annot->GetXFAWidget(), &gs, + pUser2Device, FALSE); + return; + } +#endif // PDF_ENABLE_XFA + + // for pdf/static xfa. + CPDFSDK_AnnotIterator annotIterator(this, true); + while (CPDFSDK_Annot* pSDKAnnot = annotIterator.Next()) { + CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); + pAnnotHandlerMgr->Annot_OnDraw(this, pSDKAnnot, pDevice, pUser2Device, + pOptions->m_bDrawAnnots); + } +} + +const CPDF_Annot* CPDFSDK_PageView::GetPDFAnnotAtPoint(FX_FLOAT pageX, + FX_FLOAT pageY) { + for (const auto& pAnnot : m_pAnnotList->All()) { + CFX_FloatRect annotRect = pAnnot->GetRect(); + if (annotRect.Contains(pageX, pageY)) + return pAnnot.get(); + } + return nullptr; +} + +const CPDF_Annot* CPDFSDK_PageView::GetPDFWidgetAtPoint(FX_FLOAT pageX, + FX_FLOAT pageY) { + for (const auto& pAnnot : m_pAnnotList->All()) { + if (pAnnot->GetSubtype() == CPDF_Annot::Subtype::WIDGET) { + CFX_FloatRect annotRect = pAnnot->GetRect(); + if (annotRect.Contains(pageX, pageY)) + return pAnnot.get(); + } + } + return nullptr; +} + +CPDFSDK_Annot* CPDFSDK_PageView::GetFXAnnotAtPoint(FX_FLOAT pageX, + FX_FLOAT pageY) { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + CPDFSDK_AnnotHandlerMgr* pAnnotMgr = pEnv->GetAnnotHandlerMgr(); + CPDFSDK_AnnotIterator annotIterator(this, false); + while (CPDFSDK_Annot* pSDKAnnot = annotIterator.Next()) { + CFX_FloatRect rc = pAnnotMgr->Annot_OnGetViewBBox(this, pSDKAnnot); + if (pSDKAnnot->GetAnnotSubtype() == CPDF_Annot::Subtype::POPUP) + continue; + if (rc.Contains(pageX, pageY)) + return pSDKAnnot; + } + + return nullptr; +} + +CPDFSDK_Annot* CPDFSDK_PageView::GetFXWidgetAtPoint(FX_FLOAT pageX, + FX_FLOAT pageY) { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + CPDFSDK_AnnotHandlerMgr* pAnnotMgr = pEnv->GetAnnotHandlerMgr(); + CPDFSDK_AnnotIterator annotIterator(this, false); + while (CPDFSDK_Annot* pSDKAnnot = annotIterator.Next()) { + bool bHitTest = pSDKAnnot->GetAnnotSubtype() == CPDF_Annot::Subtype::WIDGET; +#ifdef PDF_ENABLE_XFA + bHitTest = bHitTest || + pSDKAnnot->GetAnnotSubtype() == CPDF_Annot::Subtype::XFAWIDGET; +#endif // PDF_ENABLE_XFA + if (bHitTest) { + pAnnotMgr->Annot_OnGetViewBBox(this, pSDKAnnot); + CFX_FloatPoint point(pageX, pageY); + if (pAnnotMgr->Annot_OnHitTest(this, pSDKAnnot, point)) + return pSDKAnnot; + } + } + + return nullptr; +} + +void CPDFSDK_PageView::KillFocusAnnotIfNeeded() { + // if there is a focused annot on the page, we should kill the focus first. + if (CPDFSDK_Annot* focusedAnnot = m_pSDKDoc->GetFocusAnnot()) { + if (pdfium::ContainsValue(m_fxAnnotArray, focusedAnnot)) + KillFocusAnnot(); + } +} + +CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CPDF_Annot* pPDFAnnot) { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + ASSERT(pEnv); + CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr(); + CPDFSDK_Annot* pSDKAnnot = pAnnotHandler->NewAnnot(pPDFAnnot, this); + if (!pSDKAnnot) + return nullptr; + + m_fxAnnotArray.push_back(pSDKAnnot); + pAnnotHandler->Annot_OnCreate(pSDKAnnot); + return pSDKAnnot; +} + +#ifdef PDF_ENABLE_XFA +CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CXFA_FFWidget* pPDFAnnot) { + if (!pPDFAnnot) + return nullptr; + + CPDFSDK_Annot* pSDKAnnot = GetAnnotByXFAWidget(pPDFAnnot); + if (pSDKAnnot) + return pSDKAnnot; + + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr(); + pSDKAnnot = pAnnotHandler->NewAnnot(pPDFAnnot, this); + if (!pSDKAnnot) + return nullptr; + + m_fxAnnotArray.push_back(pSDKAnnot); + return pSDKAnnot; +} +#endif // PDF_ENABLE_XFA + +CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CPDF_Dictionary* pDict) { + return pDict ? AddAnnot(pDict->GetStringBy("Subtype").c_str(), pDict) + : nullptr; +} + +CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(const FX_CHAR* lpSubType, + CPDF_Dictionary* pDict) { + return nullptr; +} + +FX_BOOL CPDFSDK_PageView::DeleteAnnot(CPDFSDK_Annot* pAnnot) { +#ifdef PDF_ENABLE_XFA + if (!pAnnot) + return FALSE; + CPDFXFA_Page* pPage = pAnnot->GetPDFXFAPage(); + if (!pPage || (pPage->GetDocument()->GetDocType() != DOCTYPE_STATIC_XFA && + pPage->GetDocument()->GetDocType() != DOCTYPE_DYNAMIC_XFA)) + return FALSE; + + if (GetFocusAnnot() == pAnnot) + KillFocusAnnot(); + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr(); + if (pAnnotHandler) + pAnnotHandler->ReleaseAnnot(pAnnot); + + auto it = std::find(m_fxAnnotArray.begin(), m_fxAnnotArray.end(), pAnnot); + if (it != m_fxAnnotArray.end()) + m_fxAnnotArray.erase(it); + if (m_CaptureWidget == pAnnot) + m_CaptureWidget = nullptr; + + return TRUE; +#else // PDF_ENABLE_XFA + return FALSE; +#endif // PDF_ENABLE_XFA +} + +CPDF_Document* CPDFSDK_PageView::GetPDFDocument() { + if (m_page) { +#ifdef PDF_ENABLE_XFA + return m_page->GetDocument()->GetPDFDoc(); +#else // PDF_ENABLE_XFA + return m_page->m_pDocument; +#endif // PDF_ENABLE_XFA + } + return nullptr; +} + +CPDF_Page* CPDFSDK_PageView::GetPDFPage() const { +#ifdef PDF_ENABLE_XFA + return m_page ? m_page->GetPDFPage() : nullptr; +#else // PDF_ENABLE_XFA + return m_page; +#endif // PDF_ENABLE_XFA +} + +size_t CPDFSDK_PageView::CountAnnots() const { + return m_fxAnnotArray.size(); +} + +CPDFSDK_Annot* CPDFSDK_PageView::GetAnnot(size_t nIndex) { + return nIndex < m_fxAnnotArray.size() ? m_fxAnnotArray[nIndex] : nullptr; +} + +CPDFSDK_Annot* CPDFSDK_PageView::GetAnnotByDict(CPDF_Dictionary* pDict) { + for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) { + if (pAnnot->GetPDFAnnot()->GetAnnotDict() == pDict) + return pAnnot; + } + return nullptr; +} + +#ifdef PDF_ENABLE_XFA +CPDFSDK_Annot* CPDFSDK_PageView::GetAnnotByXFAWidget(CXFA_FFWidget* hWidget) { + if (!hWidget) + return nullptr; + + for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) { + if (pAnnot->GetXFAWidget() == hWidget) + return pAnnot; + } + return nullptr; +} +#endif // PDF_ENABLE_XFA + +FX_BOOL CPDFSDK_PageView::OnLButtonDown(const CFX_FloatPoint& point, + FX_UINT nFlag) { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + ASSERT(pEnv); + CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y); + if (!pFXAnnot) { + KillFocusAnnot(nFlag); + return FALSE; + } + + CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); + FX_BOOL bRet = + pAnnotHandlerMgr->Annot_OnLButtonDown(this, pFXAnnot, nFlag, point); + if (bRet) + SetFocusAnnot(pFXAnnot); + return bRet; +} + +#ifdef PDF_ENABLE_XFA +FX_BOOL CPDFSDK_PageView::OnRButtonDown(const CFX_FloatPoint& point, + FX_UINT nFlag) { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + ASSERT(pEnv); + CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); + ASSERT(pAnnotHandlerMgr); + + CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y); + + if (!pFXAnnot) + return FALSE; + + if (pAnnotHandlerMgr->Annot_OnRButtonDown(this, pFXAnnot, nFlag, point)) + SetFocusAnnot(pFXAnnot); + + return TRUE; +} + +FX_BOOL CPDFSDK_PageView::OnRButtonUp(const CFX_FloatPoint& point, + FX_UINT nFlag) { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + ASSERT(pEnv); + CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); + + CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y); + + if (!pFXAnnot) + return FALSE; + + if (pAnnotHandlerMgr->Annot_OnRButtonUp(this, pFXAnnot, nFlag, point)) + SetFocusAnnot(pFXAnnot); + + return TRUE; +} +#endif // PDF_ENABLE_XFA + +FX_BOOL CPDFSDK_PageView::OnLButtonUp(const CFX_FloatPoint& point, + FX_UINT nFlag) { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + ASSERT(pEnv); + CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); + CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y); + CPDFSDK_Annot* pFocusAnnot = GetFocusAnnot(); + FX_BOOL bRet = FALSE; + if (pFocusAnnot && pFocusAnnot != pFXAnnot) { + // Last focus Annot gets a chance to handle the event. + bRet = pAnnotHandlerMgr->Annot_OnLButtonUp(this, pFocusAnnot, nFlag, point); + } + if (pFXAnnot && !bRet) + bRet = pAnnotHandlerMgr->Annot_OnLButtonUp(this, pFXAnnot, nFlag, point); + return bRet; +} + +FX_BOOL CPDFSDK_PageView::OnMouseMove(const CFX_FloatPoint& point, int nFlag) { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); + if (CPDFSDK_Annot* pFXAnnot = GetFXAnnotAtPoint(point.x, point.y)) { + if (m_CaptureWidget && m_CaptureWidget != pFXAnnot) { + m_bExitWidget = TRUE; + m_bEnterWidget = FALSE; + pAnnotHandlerMgr->Annot_OnMouseExit(this, m_CaptureWidget, nFlag); + } + m_CaptureWidget = pFXAnnot; + m_bOnWidget = TRUE; + if (!m_bEnterWidget) { + m_bEnterWidget = TRUE; + m_bExitWidget = FALSE; + pAnnotHandlerMgr->Annot_OnMouseEnter(this, pFXAnnot, nFlag); + } + pAnnotHandlerMgr->Annot_OnMouseMove(this, pFXAnnot, nFlag, point); + return TRUE; + } + if (m_bOnWidget) { + m_bOnWidget = FALSE; + m_bExitWidget = TRUE; + m_bEnterWidget = FALSE; + if (m_CaptureWidget) { + pAnnotHandlerMgr->Annot_OnMouseExit(this, m_CaptureWidget, nFlag); + m_CaptureWidget = nullptr; + } + } + return FALSE; +} + +FX_BOOL CPDFSDK_PageView::OnMouseWheel(double deltaX, + double deltaY, + const CFX_FloatPoint& point, + int nFlag) { + if (CPDFSDK_Annot* pAnnot = GetFXWidgetAtPoint(point.x, point.y)) { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); + return pAnnotHandlerMgr->Annot_OnMouseWheel(this, pAnnot, nFlag, + (int)deltaY, point); + } + return FALSE; +} + +FX_BOOL CPDFSDK_PageView::OnChar(int nChar, FX_UINT nFlag) { + if (CPDFSDK_Annot* pAnnot = GetFocusAnnot()) { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); + return pAnnotHandlerMgr->Annot_OnChar(pAnnot, nChar, nFlag); + } + + return FALSE; +} + +FX_BOOL CPDFSDK_PageView::OnKeyDown(int nKeyCode, int nFlag) { + if (CPDFSDK_Annot* pAnnot = GetFocusAnnot()) { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); + return pAnnotHandlerMgr->Annot_OnKeyDown(pAnnot, nKeyCode, nFlag); + } + return FALSE; +} + +FX_BOOL CPDFSDK_PageView::OnKeyUp(int nKeyCode, int nFlag) { + return FALSE; +} + +void CPDFSDK_PageView::LoadFXAnnots() { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); + + SetLock(TRUE); + +#ifdef PDF_ENABLE_XFA + CFX_RetainPtr<CPDFXFA_Page> protector(m_page); + if (m_pSDKDoc->GetXFADocument()->GetDocType() == DOCTYPE_DYNAMIC_XFA) { + CXFA_FFPageView* pageView = m_page->GetXFAPageView(); + std::unique_ptr<IXFA_WidgetIterator> pWidgetHander( + pageView->CreateWidgetIterator( + XFA_TRAVERSEWAY_Form, + XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable)); + if (!pWidgetHander) { + SetLock(FALSE); + return; + } + + while (CXFA_FFWidget* pXFAAnnot = pWidgetHander->MoveToNext()) { + CPDFSDK_Annot* pAnnot = pAnnotHandlerMgr->NewAnnot(pXFAAnnot, this); + if (!pAnnot) + continue; + m_fxAnnotArray.push_back(pAnnot); + pAnnotHandlerMgr->Annot_OnLoad(pAnnot); + } + + SetLock(FALSE); + return; + } +#endif // PDF_ENABLE_XFA + + CPDF_Page* pPage = GetPDFPage(); + ASSERT(pPage); + FX_BOOL bUpdateAP = CPDF_InterForm::IsUpdateAPEnabled(); + // Disable the default AP construction. + CPDF_InterForm::SetUpdateAP(FALSE); + m_pAnnotList.reset(new CPDF_AnnotList(pPage)); + CPDF_InterForm::SetUpdateAP(bUpdateAP); + + const size_t nCount = m_pAnnotList->Count(); + for (size_t i = 0; i < nCount; ++i) { + CPDF_Annot* pPDFAnnot = m_pAnnotList->GetAt(i); + CheckUnSupportAnnot(GetPDFDocument(), pPDFAnnot); + CPDFSDK_Annot* pAnnot = pAnnotHandlerMgr->NewAnnot(pPDFAnnot, this); + if (!pAnnot) + continue; + m_fxAnnotArray.push_back(pAnnot); + pAnnotHandlerMgr->Annot_OnLoad(pAnnot); + } + + SetLock(FALSE); +} + +void CPDFSDK_PageView::ClearFXAnnots() { + SetLock(TRUE); + if (m_pSDKDoc && GetFocusAnnot()) + m_pSDKDoc->SetFocusAnnot(nullptr); + m_CaptureWidget = nullptr; + for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) + m_pSDKDoc->GetEnv()->GetAnnotHandlerMgr()->ReleaseAnnot(pAnnot); + m_fxAnnotArray.clear(); + m_pAnnotList.reset(); + SetLock(FALSE); +} + +void CPDFSDK_PageView::UpdateRects(const std::vector<CFX_FloatRect>& rects) { + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + for (const auto& rc : rects) + pEnv->FFI_Invalidate(m_page, rc.left, rc.top, rc.right, rc.bottom); +} + +void CPDFSDK_PageView::UpdateView(CPDFSDK_Annot* pAnnot) { + CFX_FloatRect rcWindow = pAnnot->GetRect(); + CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); + pEnv->FFI_Invalidate(m_page, rcWindow.left, rcWindow.top, rcWindow.right, + rcWindow.bottom); +} + +int CPDFSDK_PageView::GetPageIndex() const { + if (!m_page) + return -1; + +#ifdef PDF_ENABLE_XFA + int nDocType = m_page->GetDocument()->GetDocType(); + switch (nDocType) { + case DOCTYPE_DYNAMIC_XFA: { + CXFA_FFPageView* pPageView = m_page->GetXFAPageView(); + return pPageView ? pPageView->GetPageIndex() : -1; + } + case DOCTYPE_STATIC_XFA: + case DOCTYPE_PDF: + return GetPageIndexForStaticPDF(); + default: + return -1; + } +#else // PDF_ENABLE_XFA + return GetPageIndexForStaticPDF(); +#endif // PDF_ENABLE_XFA +} + +bool CPDFSDK_PageView::IsValidAnnot(const CPDF_Annot* p) const { + if (!p) + return false; + + const auto& annots = m_pAnnotList->All(); + auto it = std::find_if(annots.begin(), annots.end(), + [p](const std::unique_ptr<CPDF_Annot>& annot) { + return annot.get() == p; + }); + return it != annots.end(); +} + +CPDFSDK_Annot* CPDFSDK_PageView::GetFocusAnnot() { + CPDFSDK_Annot* pFocusAnnot = m_pSDKDoc->GetFocusAnnot(); + if (!pFocusAnnot) + return nullptr; + + for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) { + if (pAnnot == pFocusAnnot) + return pAnnot; + } + return nullptr; +} + +int CPDFSDK_PageView::GetPageIndexForStaticPDF() const { + CPDF_Dictionary* pDict = GetPDFPage()->m_pFormDict; + CPDF_Document* pDoc = m_pSDKDoc->GetPDFDocument(); + return (pDoc && pDict) ? pDoc->GetPageIndex(pDict->GetObjNum()) : -1; +} |