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// 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/cpdfsdk_pageview.h"
#include <memory>
#include <utility>
#include <vector>
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fpdfapi/render/cpdf_renderoptions.h"
#include "core/fpdfdoc/cpdf_annotlist.h"
#include "core/fpdfdoc/cpdf_interactiveform.h"
#include "core/fxcrt/autorestorer.h"
#include "core/fxcrt/stl_util.h"
#include "fpdfsdk/cpdfsdk_annot.h"
#include "fpdfsdk/cpdfsdk_annotiteration.h"
#include "fpdfsdk/cpdfsdk_annotiterator.h"
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
#include "fpdfsdk/cpdfsdk_helpers.h"
#include "fpdfsdk/cpdfsdk_interactiveform.h"
#include "third_party/base/check.h"
#include "third_party/base/containers/contains.h"
#ifdef PDF_ENABLE_XFA
#include "fpdfsdk/fpdfxfa/cpdfxfa_page.h"
#include "fpdfsdk/fpdfxfa/cpdfxfa_widget.h"
#include "xfa/fxfa/cxfa_ffpageview.h"
#endif // PDF_ENABLE_XFA
CPDFSDK_PageView::CPDFSDK_PageView(CPDFSDK_FormFillEnvironment* pFormFillEnv,
IPDF_Page* page)
: m_page(page), m_pFormFillEnv(pFormFillEnv) {
DCHECK(m_page);
CPDF_Page* pPDFPage = ToPDFPage(page);
if (pPDFPage) {
CPDFSDK_InteractiveForm* pForm = pFormFillEnv->GetInteractiveForm();
CPDF_InteractiveForm* pPDFForm = pForm->GetInteractiveForm();
pPDFForm->FixPageFields(pPDFPage);
if (!page->AsXFAPage())
pPDFPage->SetView(this);
}
}
CPDFSDK_PageView::~CPDFSDK_PageView() {
if (!m_page->AsXFAPage()) {
// Deleting from `m_SDKAnnotArray` below 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->AsPDFPage()->SetView(nullptr);
}
// Manually reset elements to ensure they are deleted in order.
for (std::unique_ptr<CPDFSDK_Annot>& pAnnot : m_SDKAnnotArray)
pAnnot.reset();
m_SDKAnnotArray.clear();
m_pAnnotList.reset();
}
void CPDFSDK_PageView::PageView_OnDraw(CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device,
CPDF_RenderOptions* pOptions,
const FX_RECT& pClip) {
m_curMatrix = mtUser2Device;
#ifdef PDF_ENABLE_XFA
IPDF_Page* pPage = GetXFAPage();
CPDF_Document::Extension* pContext =
pPage ? pPage->GetDocument()->GetExtension() : nullptr;
if (pContext && pContext->ContainsExtensionFullForm()) {
static_cast<CPDFXFA_Page*>(pPage)->DrawFocusAnnot(pDevice, GetFocusAnnot(),
mtUser2Device, pClip);
return;
}
#endif // PDF_ENABLE_XFA
// for pdf/static xfa.
CPDFSDK_AnnotReverseIteration annot_iteration(this);
for (const auto& pSDKAnnot : annot_iteration) {
pSDKAnnot->OnDraw(pDevice, mtUser2Device, pOptions->GetDrawAnnots());
}
}
std::unique_ptr<CPDFSDK_Annot> CPDFSDK_PageView::NewAnnot(CPDF_Annot* annot) {
const CPDF_Annot::Subtype sub_type = annot->GetSubtype();
if (sub_type == CPDF_Annot::Subtype::WIDGET) {
CPDFSDK_InteractiveForm* form = m_pFormFillEnv->GetInteractiveForm();
CPDF_InteractiveForm* pdf_form = form->GetInteractiveForm();
CPDF_FormControl* form_control =
pdf_form->GetControlByDict(annot->GetAnnotDict());
if (!form_control)
return nullptr;
auto ret = std::make_unique<CPDFSDK_Widget>(annot, this, form);
form->AddMap(form_control, ret.get());
if (pdf_form->NeedConstructAP())
ret->ResetAppearance(absl::nullopt, CPDFSDK_Widget::kValueUnchanged);
return ret;
}
#ifdef PDF_ENABLE_XFA
if (sub_type == CPDF_Annot::Subtype::XFAWIDGET)
return nullptr;
#endif // PDF_ENABLE_XFA
return std::make_unique<CPDFSDK_BAAnnot>(annot, this);
}
CPDFSDK_Annot* CPDFSDK_PageView::GetFXAnnotAtPoint(const CFX_PointF& point) {
CPDFSDK_AnnotForwardIteration annot_iteration(this);
for (const auto& pSDKAnnot : annot_iteration) {
CFX_FloatRect rc = pSDKAnnot->GetViewBBox();
if (pSDKAnnot->GetAnnotSubtype() == CPDF_Annot::Subtype::POPUP)
continue;
if (rc.Contains(point))
return pSDKAnnot.Get();
}
return nullptr;
}
CPDFSDK_Annot* CPDFSDK_PageView::GetFXWidgetAtPoint(const CFX_PointF& point) {
CPDFSDK_AnnotForwardIteration annot_iteration(this);
for (const auto& pSDKAnnot : annot_iteration) {
const CPDF_Annot::Subtype sub_type = pSDKAnnot->GetAnnotSubtype();
bool do_hit_test = sub_type == CPDF_Annot::Subtype::WIDGET;
#ifdef PDF_ENABLE_XFA
do_hit_test = do_hit_test || sub_type == CPDF_Annot::Subtype::XFAWIDGET;
#endif // PDF_ENABLE_XFA
if (do_hit_test && pSDKAnnot->DoHitTest(point))
return pSDKAnnot.Get();
}
return nullptr;
}
#ifdef PDF_ENABLE_XFA
CPDFSDK_Annot* CPDFSDK_PageView::AddAnnotForFFWidget(CXFA_FFWidget* pWidget) {
CPDFSDK_Annot* pSDKAnnot = GetAnnotForFFWidget(pWidget);
if (pSDKAnnot)
return pSDKAnnot;
m_SDKAnnotArray.push_back(std::make_unique<CPDFXFA_Widget>(pWidget, this));
return m_SDKAnnotArray.back().get();
}
void CPDFSDK_PageView::DeleteAnnotForFFWidget(CXFA_FFWidget* pWidget) {
CPDFSDK_Annot* pAnnot = GetAnnotForFFWidget(pWidget);
if (!pAnnot)
return;
IPDF_Page* pPage = pAnnot->GetXFAPage();
if (!pPage)
return;
CPDF_Document::Extension* pContext = pPage->GetDocument()->GetExtension();
if (pContext && !pContext->ContainsExtensionForm())
return;
ObservedPtr<CPDFSDK_Annot> pObserved(pAnnot);
if (GetFocusAnnot() == pAnnot)
m_pFormFillEnv->KillFocusAnnot({}); // May invoke JS, invalidating pAnnot.
if (pObserved) {
fxcrt::FakeUniquePtr<const CPDFSDK_Annot> fake_unique_annot(pAnnot);
auto it = std::find(m_SDKAnnotArray.begin(), m_SDKAnnotArray.end(),
fake_unique_annot);
if (it != m_SDKAnnotArray.end())
m_SDKAnnotArray.erase(it);
}
if (m_pCaptureWidget.Get() == pAnnot)
m_pCaptureWidget.Reset();
}
CPDFXFA_Page* CPDFSDK_PageView::XFAPageIfNotBackedByPDFPage() {
auto* pPage = static_cast<CPDFXFA_Page*>(GetXFAPage());
return pPage && !pPage->AsPDFPage() ? pPage : nullptr;
}
#endif // PDF_ENABLE_XFA
CPDF_Document* CPDFSDK_PageView::GetPDFDocument() {
return m_page->GetDocument();
}
CPDF_Page* CPDFSDK_PageView::GetPDFPage() const {
return ToPDFPage(m_page);
}
CPDFSDK_InteractiveForm* CPDFSDK_PageView::GetInteractiveForm() const {
return m_pFormFillEnv->GetInteractiveForm();
}
std::vector<CPDFSDK_Annot*> CPDFSDK_PageView::GetAnnotList() const {
std::vector<CPDFSDK_Annot*> list;
list.reserve(m_SDKAnnotArray.size());
for (const std::unique_ptr<CPDFSDK_Annot>& elem : m_SDKAnnotArray)
list.push_back(elem.get());
return list;
}
CPDFSDK_Annot* CPDFSDK_PageView::GetAnnotByDict(CPDF_Dictionary* pDict) {
for (std::unique_ptr<CPDFSDK_Annot>& pAnnot : m_SDKAnnotArray) {
CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();
if (pPDFAnnot && pPDFAnnot->GetAnnotDict() == pDict)
return pAnnot.get();
}
return nullptr;
}
#ifdef PDF_ENABLE_XFA
CPDFSDK_Annot* CPDFSDK_PageView::GetAnnotForFFWidget(CXFA_FFWidget* pWidget) {
if (!pWidget)
return nullptr;
for (std::unique_ptr<CPDFSDK_Annot>& pAnnot : m_SDKAnnotArray) {
CPDFXFA_Widget* pCurrentWidget = pAnnot->AsXFAWidget();
if (pCurrentWidget && pCurrentWidget->GetXFAFFWidget() == pWidget)
return pAnnot.get();
}
return nullptr;
}
IPDF_Page* CPDFSDK_PageView::GetXFAPage() {
return ToXFAPage(m_page);
}
#endif // PDF_ENABLE_XFA
WideString CPDFSDK_PageView::GetFocusedFormText() {
CPDFSDK_Annot* annot = GetFocusAnnot();
return annot ? annot->GetText() : WideString();
}
CPDFSDK_Annot* CPDFSDK_PageView::GetNextAnnot(CPDFSDK_Annot* pAnnot) {
#ifdef PDF_ENABLE_XFA
CPDFXFA_Page* pXFAPage = XFAPageIfNotBackedByPDFPage();
if (pXFAPage)
return pXFAPage->GetNextXFAAnnot(pAnnot);
#endif // PDF_ENABLE_XFA
CPDFSDK_AnnotIterator ai(this, GetFormFillEnv()->GetFocusableAnnotSubtypes());
return ai.GetNextAnnot(pAnnot);
}
CPDFSDK_Annot* CPDFSDK_PageView::GetPrevAnnot(CPDFSDK_Annot* pAnnot) {
#ifdef PDF_ENABLE_XFA
CPDFXFA_Page* pXFAPage = XFAPageIfNotBackedByPDFPage();
if (pXFAPage)
return pXFAPage->GetPrevXFAAnnot(pAnnot);
#endif // PDF_ENABLE_XFA
CPDFSDK_AnnotIterator ai(this, GetFormFillEnv()->GetFocusableAnnotSubtypes());
return ai.GetPrevAnnot(pAnnot);
}
CPDFSDK_Annot* CPDFSDK_PageView::GetFirstFocusableAnnot() {
#ifdef PDF_ENABLE_XFA
CPDFXFA_Page* pXFAPage = XFAPageIfNotBackedByPDFPage();
if (pXFAPage)
return pXFAPage->GetFirstXFAAnnot(this);
#endif // PDF_ENABLE_XFA
CPDFSDK_AnnotIterator ai(this, GetFormFillEnv()->GetFocusableAnnotSubtypes());
return ai.GetFirstAnnot();
}
CPDFSDK_Annot* CPDFSDK_PageView::GetLastFocusableAnnot() {
#ifdef PDF_ENABLE_XFA
CPDFXFA_Page* pXFAPage = XFAPageIfNotBackedByPDFPage();
if (pXFAPage)
return pXFAPage->GetLastXFAAnnot(this);
#endif // PDF_ENABLE_XFA
CPDFSDK_AnnotIterator ai(this, GetFormFillEnv()->GetFocusableAnnotSubtypes());
return ai.GetLastAnnot();
}
WideString CPDFSDK_PageView::GetSelectedText() {
CPDFSDK_Annot* annot = GetFocusAnnot();
if (!annot)
return WideString();
return annot->GetSelectedText();
}
void CPDFSDK_PageView::ReplaceSelection(const WideString& text) {
CPDFSDK_Annot* annot = GetFocusAnnot();
if (annot)
annot->ReplaceSelection(text);
}
bool CPDFSDK_PageView::SelectAllText() {
CPDFSDK_Annot* annot = GetFocusAnnot();
return annot && annot->SelectAllText();
}
bool CPDFSDK_PageView::CanUndo() {
CPDFSDK_Annot* annot = GetFocusAnnot();
return annot && annot->CanUndo();
}
bool CPDFSDK_PageView::CanRedo() {
CPDFSDK_Annot* annot = GetFocusAnnot();
return annot && annot->CanRedo();
}
bool CPDFSDK_PageView::Undo() {
CPDFSDK_Annot* annot = GetFocusAnnot();
return annot && annot->Undo();
}
bool CPDFSDK_PageView::Redo() {
CPDFSDK_Annot* annot = GetFocusAnnot();
return annot && annot->Redo();
}
bool CPDFSDK_PageView::OnFocus(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
ObservedPtr<CPDFSDK_Annot> pAnnot(GetFXWidgetAtPoint(point));
if (!pAnnot) {
m_pFormFillEnv->KillFocusAnnot(nFlags);
return false;
}
m_pFormFillEnv->SetFocusAnnot(pAnnot);
return true;
}
bool CPDFSDK_PageView::OnLButtonDown(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
ObservedPtr<CPDFSDK_Annot> pAnnot(GetFXWidgetAtPoint(point));
if (!pAnnot) {
m_pFormFillEnv->KillFocusAnnot(nFlags);
return false;
}
if (!CPDFSDK_Annot::OnLButtonDown(pAnnot, nFlags, point))
return false;
if (!pAnnot)
return false;
m_pFormFillEnv->SetFocusAnnot(pAnnot);
return true;
}
bool CPDFSDK_PageView::OnLButtonUp(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
ObservedPtr<CPDFSDK_Annot> pFXAnnot(GetFXWidgetAtPoint(point));
ObservedPtr<CPDFSDK_Annot> pFocusAnnot(GetFocusAnnot());
if (pFocusAnnot && pFocusAnnot != pFXAnnot) {
// Last focus Annot gets a chance to handle the event.
if (CPDFSDK_Annot::OnLButtonUp(pFocusAnnot, nFlags, point))
return true;
}
return pFXAnnot && CPDFSDK_Annot::OnLButtonUp(pFXAnnot, nFlags, point);
}
bool CPDFSDK_PageView::OnLButtonDblClk(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
ObservedPtr<CPDFSDK_Annot> pAnnot(GetFXWidgetAtPoint(point));
if (!pAnnot) {
m_pFormFillEnv->KillFocusAnnot(nFlags);
return false;
}
if (!CPDFSDK_Annot::OnLButtonDblClk(pAnnot, nFlags, point))
return false;
if (!pAnnot)
return false;
m_pFormFillEnv->SetFocusAnnot(pAnnot);
return true;
}
bool CPDFSDK_PageView::OnRButtonDown(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
ObservedPtr<CPDFSDK_Annot> pAnnot(GetFXWidgetAtPoint(point));
if (!pAnnot)
return false;
bool ok = CPDFSDK_Annot::OnRButtonDown(pAnnot, nFlags, point);
if (!pAnnot)
return false;
if (ok)
m_pFormFillEnv->SetFocusAnnot(pAnnot);
return true;
}
bool CPDFSDK_PageView::OnRButtonUp(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
ObservedPtr<CPDFSDK_Annot> pAnnot(GetFXWidgetAtPoint(point));
if (!pAnnot)
return false;
bool ok = CPDFSDK_Annot::OnRButtonUp(pAnnot, nFlags, point);
if (!pAnnot)
return false;
if (ok)
m_pFormFillEnv->SetFocusAnnot(pAnnot);
return true;
}
bool CPDFSDK_PageView::OnMouseMove(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
ObservedPtr<CPDFSDK_Annot> pFXAnnot(GetFXAnnotAtPoint(point));
ObservedPtr<CPDFSDK_PageView> pThis(this);
if (m_bOnWidget && m_pCaptureWidget != pFXAnnot)
ExitWidget(true, nFlags);
// ExitWidget() may have invalidated objects.
if (!pThis || !pFXAnnot)
return false;
if (!m_bOnWidget) {
EnterWidget(pFXAnnot, nFlags);
// EnterWidget() may have invalidated objects.
if (!pThis)
return false;
if (!pFXAnnot) {
ExitWidget(false, nFlags);
return true;
}
}
CPDFSDK_Annot::OnMouseMove(pFXAnnot, nFlags, point);
return true;
}
void CPDFSDK_PageView::EnterWidget(ObservedPtr<CPDFSDK_Annot>& pAnnot,
Mask<FWL_EVENTFLAG> nFlags) {
m_bOnWidget = true;
m_pCaptureWidget.Reset(pAnnot.Get());
CPDFSDK_Annot::OnMouseEnter(m_pCaptureWidget, nFlags);
}
void CPDFSDK_PageView::ExitWidget(bool callExitCallback,
Mask<FWL_EVENTFLAG> nFlags) {
m_bOnWidget = false;
if (!m_pCaptureWidget)
return;
if (callExitCallback) {
ObservedPtr<CPDFSDK_PageView> pThis(this);
CPDFSDK_Annot::OnMouseExit(m_pCaptureWidget, nFlags);
// OnMouseExit() may have invalidated |this|.
if (!pThis)
return;
}
m_pCaptureWidget.Reset();
}
bool CPDFSDK_PageView::OnMouseWheel(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point,
const CFX_Vector& delta) {
ObservedPtr<CPDFSDK_Annot> pAnnot(GetFXWidgetAtPoint(point));
if (!pAnnot)
return false;
return CPDFSDK_Annot::OnMouseWheel(pAnnot, nFlags, point, delta);
}
bool CPDFSDK_PageView::SetIndexSelected(int index, bool selected) {
CPDFSDK_Annot* annot = GetFocusAnnot();
return annot && annot->SetIndexSelected(index, selected);
}
bool CPDFSDK_PageView::IsIndexSelected(int index) {
CPDFSDK_Annot* annot = GetFocusAnnot();
return annot && annot->IsIndexSelected(index);
}
bool CPDFSDK_PageView::OnChar(uint32_t nChar, Mask<FWL_EVENTFLAG> nFlags) {
ObservedPtr<CPDFSDK_Annot> pAnnot(GetFocusAnnot());
return pAnnot && CPDFSDK_Annot::OnChar(pAnnot, nChar, nFlags);
}
bool CPDFSDK_PageView::OnKeyDown(FWL_VKEYCODE nKeyCode,
Mask<FWL_EVENTFLAG> nFlags) {
ObservedPtr<CPDFSDK_Annot> pAnnot(GetFocusAnnot());
if (!pAnnot) {
// If pressed key is not tab then no action is needed.
if (nKeyCode != FWL_VKEY_Tab)
return false;
// If ctrl key or alt key is pressed, then no action is needed.
if (CPWL_Wnd::IsCTRLKeyDown(nFlags) || CPWL_Wnd::IsALTKeyDown(nFlags))
return false;
ObservedPtr<CPDFSDK_Annot> end_annot(CPWL_Wnd::IsSHIFTKeyDown(nFlags)
? GetLastFocusableAnnot()
: GetFirstFocusableAnnot());
return end_annot && m_pFormFillEnv->SetFocusAnnot(end_annot);
}
if (CPWL_Wnd::IsCTRLKeyDown(nFlags) || CPWL_Wnd::IsALTKeyDown(nFlags))
return CPDFSDK_Annot::OnKeyDown(pAnnot, nKeyCode, nFlags);
CPDFSDK_Annot* pFocusAnnot = GetFocusAnnot();
if (pFocusAnnot && (nKeyCode == FWL_VKEY_Tab)) {
ObservedPtr<CPDFSDK_Annot> pNext(CPWL_Wnd::IsSHIFTKeyDown(nFlags)
? GetPrevAnnot(pFocusAnnot)
: GetNextAnnot(pFocusAnnot));
if (!pNext)
return false;
if (pNext.Get() != pFocusAnnot) {
GetFormFillEnv()->SetFocusAnnot(pNext);
return true;
}
}
// Check |pAnnot| again because JS may have destroyed it in GetNextAnnot().
if (!pAnnot)
return false;
return CPDFSDK_Annot::OnKeyDown(pAnnot, nKeyCode, nFlags);
}
void CPDFSDK_PageView::LoadFXAnnots() {
AutoRestorer<bool> lock(&m_bLocked);
m_bLocked = true;
#ifdef PDF_ENABLE_XFA
RetainPtr<CPDFXFA_Page> protector(ToXFAPage(m_page));
CPDF_Document::Extension* pContext = m_pFormFillEnv->GetDocExtension();
if (pContext && pContext->ContainsExtensionFullForm()) {
CXFA_FFPageView* pageView = protector->GetXFAPageView();
CXFA_FFWidget::IteratorIface* pWidgetHandler =
pageView->CreateGCedFormWidgetIterator(Mask<XFA_WidgetStatus>{
XFA_WidgetStatus::kVisible, XFA_WidgetStatus::kViewable});
while (CXFA_FFWidget* pXFAAnnot = pWidgetHandler->MoveToNext()) {
m_SDKAnnotArray.push_back(
std::make_unique<CPDFXFA_Widget>(pXFAAnnot, this));
m_SDKAnnotArray.back()->OnLoad();
}
return;
}
#endif // PDF_ENABLE_XFA
CPDF_Page* pPage = GetPDFPage();
DCHECK(pPage);
bool bUpdateAP = CPDF_InteractiveForm::IsUpdateAPEnabled();
// Disable the default AP construction.
CPDF_InteractiveForm::SetUpdateAP(false);
m_pAnnotList = std::make_unique<CPDF_AnnotList>(pPage);
CPDF_InteractiveForm::SetUpdateAP(bUpdateAP);
const size_t nCount = m_pAnnotList->Count();
for (size_t i = 0; i < nCount; ++i) {
CPDF_Annot* pPDFAnnot = m_pAnnotList->GetAt(i);
CheckForUnsupportedAnnot(pPDFAnnot);
std::unique_ptr<CPDFSDK_Annot> pAnnot = NewAnnot(pPDFAnnot);
if (!pAnnot)
continue;
m_SDKAnnotArray.push_back(std::move(pAnnot));
m_SDKAnnotArray.back()->OnLoad();
}
}
void CPDFSDK_PageView::UpdateRects(const std::vector<CFX_FloatRect>& rects) {
for (const auto& rc : rects)
m_pFormFillEnv->Invalidate(m_page, rc.GetOuterRect());
}
void CPDFSDK_PageView::UpdateView(CPDFSDK_Annot* pAnnot) {
CFX_FloatRect rcWindow = pAnnot->GetRect();
m_pFormFillEnv->Invalidate(m_page, rcWindow.GetOuterRect());
}
int CPDFSDK_PageView::GetPageIndex() const {
#ifdef PDF_ENABLE_XFA
CPDF_Document::Extension* pContext = m_page->GetDocument()->GetExtension();
if (pContext && pContext->ContainsExtensionFullForm()) {
CXFA_FFPageView* pPageView = m_page->AsXFAPage()->GetXFAPageView();
return pPageView ? pPageView->GetLayoutItem()->GetPageIndex() : -1;
}
#endif // PDF_ENABLE_XFA
return GetPageIndexForStaticPDF();
}
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();
}
bool CPDFSDK_PageView::IsValidSDKAnnot(const CPDFSDK_Annot* p) const {
if (!p)
return false;
fxcrt::FakeUniquePtr<const CPDFSDK_Annot> fake_unique_p(p);
return pdfium::Contains(m_SDKAnnotArray, fake_unique_p);
}
CPDFSDK_Annot* CPDFSDK_PageView::GetFocusAnnot() {
CPDFSDK_Annot* pFocusAnnot = m_pFormFillEnv->GetFocusAnnot();
return IsValidSDKAnnot(pFocusAnnot) ? pFocusAnnot : nullptr;
}
int CPDFSDK_PageView::GetPageIndexForStaticPDF() const {
const CPDF_Dictionary* pDict = GetPDFPage()->GetDict();
CPDF_Document* pDoc = m_pFormFillEnv->GetPDFDocument();
return pDoc->GetPageIndex(pDict->GetObjNum());
}