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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_annothandlermgr.h"
#include "core/fpdfapi/parser/cpdf_number.h"
#include "core/fpdfapi/parser/cpdf_string.h"
#include "core/fpdfdoc/cpdf_annot.h"
#include "fpdfsdk/cpdfsdk_annot.h"
#include "fpdfsdk/cpdfsdk_annotiterator.h"
#include "fpdfsdk/cpdfsdk_baannot.h"
#include "fpdfsdk/cpdfsdk_baannothandler.h"
#include "fpdfsdk/cpdfsdk_datetime.h"
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
#include "fpdfsdk/cpdfsdk_pageview.h"
#include "fpdfsdk/cpdfsdk_widget.h"
#include "fpdfsdk/cpdfsdk_widgethandler.h"
#include "third_party/base/ptr_util.h"
#ifdef PDF_ENABLE_XFA
#include "fpdfsdk/cpdfsdk_xfawidgethandler.h"
#include "fpdfsdk/fpdfxfa/cpdfxfa_page.h"
#include "xfa/fxfa/cxfa_ffpageview.h"
#include "xfa/fxfa/cxfa_ffwidget.h"
#endif // PDF_ENABLE_XFA
CPDFSDK_AnnotHandlerMgr::CPDFSDK_AnnotHandlerMgr(
CPDFSDK_FormFillEnvironment* pFormFillEnv)
: m_pBAAnnotHandler(pdfium::MakeUnique<CPDFSDK_BAAnnotHandler>()),
m_pWidgetHandler(pdfium::MakeUnique<CPDFSDK_WidgetHandler>(pFormFillEnv))
#ifdef PDF_ENABLE_XFA
,
m_pXFAWidgetHandler(
pdfium::MakeUnique<CPDFSDK_XFAWidgetHandler>(pFormFillEnv))
#endif // PDF_ENABLE_XFA
{
}
CPDFSDK_AnnotHandlerMgr::~CPDFSDK_AnnotHandlerMgr() {}
CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CPDF_Annot* pAnnot,
CPDFSDK_PageView* pPageView) {
ASSERT(pPageView);
return GetAnnotHandler(pAnnot->GetSubtype())->NewAnnot(pAnnot, pPageView);
}
#ifdef PDF_ENABLE_XFA
CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CXFA_FFWidget* pAnnot,
CPDFSDK_PageView* pPageView) {
ASSERT(pAnnot);
ASSERT(pPageView);
return GetAnnotHandler(CPDF_Annot::Subtype::XFAWIDGET)
->NewAnnot(pAnnot, pPageView);
}
#endif // PDF_ENABLE_XFA
void CPDFSDK_AnnotHandlerMgr::ReleaseAnnot(CPDFSDK_Annot* pAnnot) {
IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot);
pAnnotHandler->ReleaseAnnot(pAnnot);
}
void CPDFSDK_AnnotHandlerMgr::Annot_OnCreate(CPDFSDK_Annot* pAnnot) {
CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();
CPDFSDK_DateTime curTime;
pPDFAnnot->GetAnnotDict()->SetNewFor<CPDF_String>(
"M", curTime.ToPDFDateTimeString(), false);
pPDFAnnot->GetAnnotDict()->SetNewFor<CPDF_Number>("F", 0);
}
void CPDFSDK_AnnotHandlerMgr::Annot_OnLoad(CPDFSDK_Annot* pAnnot) {
ASSERT(pAnnot);
GetAnnotHandler(pAnnot)->OnLoad(pAnnot);
}
WideString CPDFSDK_AnnotHandlerMgr::Annot_GetText(CPDFSDK_Annot* pAnnot) {
return GetAnnotHandler(pAnnot)->GetText(pAnnot);
}
WideString CPDFSDK_AnnotHandlerMgr::Annot_GetSelectedText(
CPDFSDK_Annot* pAnnot) {
return GetAnnotHandler(pAnnot)->GetSelectedText(pAnnot);
}
void CPDFSDK_AnnotHandlerMgr::Annot_ReplaceSelection(CPDFSDK_Annot* pAnnot,
const WideString& text) {
GetAnnotHandler(pAnnot)->ReplaceSelection(pAnnot, text);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_CanUndo(CPDFSDK_Annot* pAnnot) {
return GetAnnotHandler(pAnnot)->CanUndo(pAnnot);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_CanRedo(CPDFSDK_Annot* pAnnot) {
return GetAnnotHandler(pAnnot)->CanRedo(pAnnot);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_Undo(CPDFSDK_Annot* pAnnot) {
return GetAnnotHandler(pAnnot)->Undo(pAnnot);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_Redo(CPDFSDK_Annot* pAnnot) {
return GetAnnotHandler(pAnnot)->Redo(pAnnot);
}
IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler(
CPDFSDK_Annot* pAnnot) const {
return GetAnnotHandler(pAnnot->GetAnnotSubtype());
}
IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler(
CPDF_Annot::Subtype nAnnotSubtype) const {
if (nAnnotSubtype == CPDF_Annot::Subtype::WIDGET)
return m_pWidgetHandler.get();
#ifdef PDF_ENABLE_XFA
if (nAnnotSubtype == CPDF_Annot::Subtype::XFAWIDGET)
return m_pXFAWidgetHandler.get();
#endif // PDF_ENABLE_XFA
return m_pBAAnnotHandler.get();
}
void CPDFSDK_AnnotHandlerMgr::Annot_OnDraw(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
CFX_RenderDevice* pDevice,
CFX_Matrix* pUser2Device,
bool bDrawAnnots) {
ASSERT(pAnnot);
GetAnnotHandler(pAnnot)->OnDraw(pPageView, pAnnot, pDevice, pUser2Device,
bDrawAnnots);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDown(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
ASSERT(*pAnnot);
return GetAnnotHandler(pAnnot->Get())
->OnLButtonDown(pPageView, pAnnot, nFlags, point);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonUp(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
ASSERT(*pAnnot);
return GetAnnotHandler(pAnnot->Get())
->OnLButtonUp(pPageView, pAnnot, nFlags, point);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDblClk(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
ASSERT(*pAnnot);
return GetAnnotHandler(pAnnot->Get())
->OnLButtonDblClk(pPageView, pAnnot, nFlags, point);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnMouseMove(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
ASSERT(*pAnnot);
return GetAnnotHandler(pAnnot->Get())
->OnMouseMove(pPageView, pAnnot, nFlags, point);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnMouseWheel(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
short zDelta,
const CFX_PointF& point) {
ASSERT(*pAnnot);
return GetAnnotHandler(pAnnot->Get())
->OnMouseWheel(pPageView, pAnnot, nFlags, zDelta, point);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonDown(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
ASSERT(*pAnnot);
return GetAnnotHandler(pAnnot->Get())
->OnRButtonDown(pPageView, pAnnot, nFlags, point);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonUp(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
ASSERT(*pAnnot);
return GetAnnotHandler(pAnnot->Get())
->OnRButtonUp(pPageView, pAnnot, nFlags, point);
}
void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseEnter(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlag) {
ASSERT(*pAnnot);
GetAnnotHandler(pAnnot->Get())->OnMouseEnter(pPageView, pAnnot, nFlag);
}
void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseExit(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlag) {
ASSERT(*pAnnot);
GetAnnotHandler(pAnnot->Get())->OnMouseExit(pPageView, pAnnot, nFlag);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnChar(CPDFSDK_Annot* pAnnot,
uint32_t nChar,
uint32_t nFlags) {
return GetAnnotHandler(pAnnot)->OnChar(pAnnot, nChar, nFlags);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnKeyDown(CPDFSDK_Annot* pAnnot,
int nKeyCode,
int nFlag) {
if (CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag) ||
CPDFSDK_FormFillEnvironment::IsALTKeyDown(nFlag)) {
return GetAnnotHandler(pAnnot)->OnKeyDown(pAnnot, nKeyCode, nFlag);
}
CPDFSDK_PageView* pPage = pAnnot->GetPageView();
CPDFSDK_Annot* pFocusAnnot = pPage->GetFocusAnnot();
if (pFocusAnnot && (nKeyCode == FWL_VKEY_Tab)) {
CPDFSDK_Annot::ObservedPtr pNext(GetNextAnnot(
pFocusAnnot, !CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag)));
if (pNext && pNext.Get() != pFocusAnnot) {
pPage->GetFormFillEnv()->SetFocusAnnot(&pNext);
return true;
}
}
return GetAnnotHandler(pAnnot)->OnKeyDown(pAnnot, nKeyCode, nFlag);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnKeyUp(CPDFSDK_Annot* pAnnot,
int nKeyCode,
int nFlag) {
return false;
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnSetFocus(
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlag) {
ASSERT(*pAnnot);
return GetAnnotHandler(pAnnot->Get())->OnSetFocus(pAnnot, nFlag);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnKillFocus(
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlag) {
ASSERT(*pAnnot);
return GetAnnotHandler(pAnnot->Get())->OnKillFocus(pAnnot, nFlag);
}
#ifdef PDF_ENABLE_XFA
bool CPDFSDK_AnnotHandlerMgr::Annot_OnChangeFocus(
CPDFSDK_Annot::ObservedPtr* pSetAnnot,
CPDFSDK_Annot::ObservedPtr* pKillAnnot) {
bool bXFA = (*pSetAnnot && (*pSetAnnot)->GetXFAWidget()) ||
(*pKillAnnot && (*pKillAnnot)->GetXFAWidget());
if (bXFA) {
if (IPDFSDK_AnnotHandler* pXFAAnnotHandler =
GetAnnotHandler(CPDF_Annot::Subtype::XFAWIDGET))
return pXFAAnnotHandler->OnXFAChangedFocus(pKillAnnot, pSetAnnot);
}
return true;
}
#endif // PDF_ENABLE_XFA
CFX_FloatRect CPDFSDK_AnnotHandlerMgr::Annot_OnGetViewBBox(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot) {
ASSERT(pAnnot);
return GetAnnotHandler(pAnnot)->GetViewBBox(pPageView, pAnnot);
}
bool CPDFSDK_AnnotHandlerMgr::Annot_OnHitTest(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
const CFX_PointF& point) {
ASSERT(pAnnot);
IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot);
if (pAnnotHandler->CanAnswer(pAnnot))
return pAnnotHandler->HitTest(pPageView, pAnnot, point);
return false;
}
CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::GetNextAnnot(CPDFSDK_Annot* pSDKAnnot,
bool bNext) {
#ifdef PDF_ENABLE_XFA
CPDFSDK_PageView* pPageView = pSDKAnnot->GetPageView();
CPDFXFA_Page* pPage = pPageView->GetPDFXFAPage();
if (pPage && !pPage->AsPDFPage()) {
// For xfa annots in XFA pages not backed by PDF pages.
std::unique_ptr<IXFA_WidgetIterator> pWidgetIterator(
pPage->GetXFAPageView()->CreateWidgetIterator(
XFA_TRAVERSEWAY_Tranvalse, XFA_WidgetStatus_Visible |
XFA_WidgetStatus_Viewable |
XFA_WidgetStatus_Focused));
if (!pWidgetIterator)
return nullptr;
if (pWidgetIterator->GetCurrentWidget() != pSDKAnnot->GetXFAWidget())
pWidgetIterator->SetCurrentWidget(pSDKAnnot->GetXFAWidget());
CXFA_FFWidget* hNextFocus = bNext ? pWidgetIterator->MoveToNext()
: pWidgetIterator->MoveToPrevious();
if (!hNextFocus && pSDKAnnot)
hNextFocus = pWidgetIterator->MoveToFirst();
return pPageView->GetAnnotByXFAWidget(hNextFocus);
}
#endif // PDF_ENABLE_XFA
// For PDF annots.
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pSDKAnnot);
CPDFSDK_AnnotIterator ai(pWidget->GetPageView(), pWidget->GetAnnotSubtype());
return bNext ? ai.GetNextAnnot(pWidget) : ai.GetPrevAnnot(pWidget);
}