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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/include/cpdfsdk_annothandlermgr.h"
#include "core/fpdfdoc/include/cpdf_annot.h"
#include "fpdfsdk/include/cba_annotiterator.h"
#include "fpdfsdk/include/cpdfsdk_annot.h"
#include "fpdfsdk/include/cpdfsdk_baannot.h"
#include "fpdfsdk/include/cpdfsdk_baannothandler.h"
#include "fpdfsdk/include/cpdfsdk_datetime.h"
#include "fpdfsdk/include/cpdfsdk_document.h"
#include "fpdfsdk/include/cpdfsdk_environment.h"
#include "fpdfsdk/include/cpdfsdk_pageview.h"
#include "fpdfsdk/include/cpdfsdk_widgethandler.h"
#ifdef PDF_ENABLE_XFA
#include "fpdfsdk/fpdfxfa/include/fpdfxfa_page.h"
#include "fpdfsdk/include/cpdfsdk_xfawidgethandler.h"
#include "xfa/fxfa/include/xfa_ffpageview.h"
#include "xfa/fxfa/include/xfa_ffwidget.h"
#endif // PDF_ENABLE_XFA
CPDFSDK_AnnotHandlerMgr::CPDFSDK_AnnotHandlerMgr(CPDFSDK_Environment* pApp)
: m_pBAAnnotHandler(new CPDFSDK_BAAnnotHandler()),
m_pWidgetHandler(new CPDFSDK_WidgetHandler(pApp)),
#ifdef PDF_ENABLE_XFA
m_pXFAWidgetHandler(new CPDFSDK_XFAWidgetHandler(pApp)),
#endif // PDF_ENABLE_XFA
m_pApp(pApp) {
m_pWidgetHandler->SetFormFiller(m_pApp->GetIFormFiller());
}
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->OnRelease(pAnnot);
pAnnotHandler->ReleaseAnnot(pAnnot);
}
void CPDFSDK_AnnotHandlerMgr::Annot_OnCreate(CPDFSDK_Annot* pAnnot) {
CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();
CPDFSDK_DateTime curTime;
pPDFAnnot->GetAnnotDict()->SetAtString("M", curTime.ToPDFDateTimeString());
pPDFAnnot->GetAnnotDict()->SetAtNumber("F", 0);
GetAnnotHandler(pAnnot)->OnCreate(pAnnot);
}
void CPDFSDK_AnnotHandlerMgr::Annot_OnLoad(CPDFSDK_Annot* pAnnot) {
ASSERT(pAnnot);
GetAnnotHandler(pAnnot)->OnLoad(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);
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDown(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) {
ASSERT(pAnnot);
return GetAnnotHandler(pAnnot)->OnLButtonDown(pPageView, pAnnot, nFlags,
point);
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonUp(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) {
ASSERT(pAnnot);
return GetAnnotHandler(pAnnot)->OnLButtonUp(pPageView, pAnnot, nFlags, point);
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDblClk(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) {
ASSERT(pAnnot);
return GetAnnotHandler(pAnnot)->OnLButtonDblClk(pPageView, pAnnot, nFlags,
point);
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnMouseMove(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) {
ASSERT(pAnnot);
return GetAnnotHandler(pAnnot)->OnMouseMove(pPageView, pAnnot, nFlags, point);
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnMouseWheel(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
uint32_t nFlags,
short zDelta,
const CFX_FloatPoint& point) {
ASSERT(pAnnot);
return GetAnnotHandler(pAnnot)->OnMouseWheel(pPageView, pAnnot, nFlags,
zDelta, point);
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonDown(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) {
ASSERT(pAnnot);
return GetAnnotHandler(pAnnot)->OnRButtonDown(pPageView, pAnnot, nFlags,
point);
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonUp(
CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) {
ASSERT(pAnnot);
return GetAnnotHandler(pAnnot)->OnRButtonUp(pPageView, pAnnot, nFlags, point);
}
void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseEnter(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
uint32_t nFlag) {
ASSERT(pAnnot);
GetAnnotHandler(pAnnot)->OnMouseEnter(pPageView, pAnnot, nFlag);
}
void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseExit(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
uint32_t nFlag) {
ASSERT(pAnnot);
GetAnnotHandler(pAnnot)->OnMouseExit(pPageView, pAnnot, nFlag);
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnChar(CPDFSDK_Annot* pAnnot,
uint32_t nChar,
uint32_t nFlags) {
return GetAnnotHandler(pAnnot)->OnChar(pAnnot, nChar, nFlags);
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnKeyDown(CPDFSDK_Annot* pAnnot,
int nKeyCode,
int nFlag) {
if (m_pApp->FFI_IsCTRLKeyDown(nFlag) || m_pApp->FFI_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* pNext =
GetNextAnnot(pFocusAnnot, !m_pApp->FFI_IsSHIFTKeyDown(nFlag));
if (pNext && pNext != pFocusAnnot) {
CPDFSDK_Document* pDocument = pPage->GetSDKDocument();
pDocument->SetFocusAnnot(pNext);
return TRUE;
}
}
return FALSE;
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnKeyUp(CPDFSDK_Annot* pAnnot,
int nKeyCode,
int nFlag) {
return FALSE;
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnSetFocus(CPDFSDK_Annot* pAnnot,
uint32_t nFlag) {
ASSERT(pAnnot);
if (!GetAnnotHandler(pAnnot)->OnSetFocus(pAnnot, nFlag))
return FALSE;
CPDFSDK_PageView* pPage = pAnnot->GetPageView();
pPage->GetSDKDocument();
return TRUE;
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnKillFocus(CPDFSDK_Annot* pAnnot,
uint32_t nFlag) {
ASSERT(pAnnot);
return GetAnnotHandler(pAnnot)->OnKillFocus(pAnnot, nFlag);
}
#ifdef PDF_ENABLE_XFA
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnChangeFocus(
CPDFSDK_Annot* pSetAnnot,
CPDFSDK_Annot* pKillAnnot) {
FX_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);
}
FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnHitTest(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
const CFX_FloatPoint& 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,
FX_BOOL bNext) {
#ifdef PDF_ENABLE_XFA
CPDFSDK_PageView* pPageView = pSDKAnnot->GetPageView();
CPDFXFA_Page* pPage = pPageView->GetPDFXFAPage();
if (!pPage)
return nullptr;
if (pPage->GetPDFPage()) { // for pdf annots.
CBA_AnnotIterator ai(pSDKAnnot->GetPageView(),
pSDKAnnot->GetAnnotSubtype());
CPDFSDK_Annot* pNext =
bNext ? ai.GetNextAnnot(pSDKAnnot) : ai.GetPrevAnnot(pSDKAnnot);
return pNext;
}
// for xfa annots
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);
#else // PDF_ENABLE_XFA
CBA_AnnotIterator ai(pSDKAnnot->GetPageView(), CPDF_Annot::Subtype::WIDGET);
return bNext ? ai.GetNextAnnot(pSDKAnnot) : ai.GetPrevAnnot(pSDKAnnot);
#endif // PDF_ENABLE_XFA
}
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