309 lines
10 KiB
C++
309 lines
10 KiB
C++
// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "fpdfsdk/cpdfsdk_annothandlermgr.h"
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#include "core/fpdfapi/parser/cpdf_number.h"
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#include "core/fpdfapi/parser/cpdf_string.h"
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#include "core/fpdfdoc/cpdf_annot.h"
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#include "fpdfsdk/cba_annotiterator.h"
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#include "fpdfsdk/cpdfsdk_annot.h"
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#include "fpdfsdk/cpdfsdk_baannot.h"
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#include "fpdfsdk/cpdfsdk_baannothandler.h"
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#include "fpdfsdk/cpdfsdk_datetime.h"
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#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
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#include "fpdfsdk/cpdfsdk_pageview.h"
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#include "fpdfsdk/cpdfsdk_widgethandler.h"
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#ifdef PDF_ENABLE_XFA
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#include "fpdfsdk/cpdfsdk_xfawidgethandler.h"
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#include "fpdfsdk/fpdfxfa/cpdfxfa_page.h"
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#include "xfa/fxfa/xfa_ffpageview.h"
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#include "xfa/fxfa/xfa_ffwidget.h"
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#endif // PDF_ENABLE_XFA
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CPDFSDK_AnnotHandlerMgr::CPDFSDK_AnnotHandlerMgr(
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CPDFSDK_FormFillEnvironment* pFormFillEnv)
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: m_pBAAnnotHandler(new CPDFSDK_BAAnnotHandler()),
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m_pWidgetHandler(new CPDFSDK_WidgetHandler(pFormFillEnv)),
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#ifdef PDF_ENABLE_XFA
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m_pXFAWidgetHandler(new CPDFSDK_XFAWidgetHandler(pFormFillEnv)),
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#endif // PDF_ENABLE_XFA
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m_pFormFillEnv(pFormFillEnv) {
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m_pWidgetHandler->SetFormFiller(m_pFormFillEnv->GetInteractiveFormFiller());
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}
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CPDFSDK_AnnotHandlerMgr::~CPDFSDK_AnnotHandlerMgr() {}
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CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CPDF_Annot* pAnnot,
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CPDFSDK_PageView* pPageView) {
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ASSERT(pPageView);
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return GetAnnotHandler(pAnnot->GetSubtype())->NewAnnot(pAnnot, pPageView);
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}
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#ifdef PDF_ENABLE_XFA
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CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CXFA_FFWidget* pAnnot,
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CPDFSDK_PageView* pPageView) {
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ASSERT(pAnnot);
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ASSERT(pPageView);
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return GetAnnotHandler(CPDF_Annot::Subtype::XFAWIDGET)
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->NewAnnot(pAnnot, pPageView);
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}
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#endif // PDF_ENABLE_XFA
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void CPDFSDK_AnnotHandlerMgr::ReleaseAnnot(CPDFSDK_Annot* pAnnot) {
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IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot);
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pAnnotHandler->ReleaseAnnot(pAnnot);
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}
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void CPDFSDK_AnnotHandlerMgr::Annot_OnCreate(CPDFSDK_Annot* pAnnot) {
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CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();
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CPDFSDK_DateTime curTime;
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pPDFAnnot->GetAnnotDict()->SetNewFor<CPDF_String>(
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"M", curTime.ToPDFDateTimeString(), false);
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pPDFAnnot->GetAnnotDict()->SetNewFor<CPDF_Number>("F", 0);
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}
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void CPDFSDK_AnnotHandlerMgr::Annot_OnLoad(CPDFSDK_Annot* pAnnot) {
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ASSERT(pAnnot);
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GetAnnotHandler(pAnnot)->OnLoad(pAnnot);
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}
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IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler(
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CPDFSDK_Annot* pAnnot) const {
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return GetAnnotHandler(pAnnot->GetAnnotSubtype());
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}
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IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler(
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CPDF_Annot::Subtype nAnnotSubtype) const {
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if (nAnnotSubtype == CPDF_Annot::Subtype::WIDGET)
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return m_pWidgetHandler.get();
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#ifdef PDF_ENABLE_XFA
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if (nAnnotSubtype == CPDF_Annot::Subtype::XFAWIDGET)
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return m_pXFAWidgetHandler.get();
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#endif // PDF_ENABLE_XFA
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return m_pBAAnnotHandler.get();
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}
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void CPDFSDK_AnnotHandlerMgr::Annot_OnDraw(CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot* pAnnot,
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CFX_RenderDevice* pDevice,
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CFX_Matrix* pUser2Device,
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bool bDrawAnnots) {
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ASSERT(pAnnot);
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GetAnnotHandler(pAnnot)->OnDraw(pPageView, pAnnot, pDevice, pUser2Device,
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bDrawAnnots);
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDown(
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CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot::ObservedPtr* pAnnot,
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uint32_t nFlags,
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const CFX_PointF& point) {
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ASSERT(*pAnnot);
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return GetAnnotHandler(pAnnot->Get())
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->OnLButtonDown(pPageView, pAnnot, nFlags, point);
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonUp(
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CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot::ObservedPtr* pAnnot,
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uint32_t nFlags,
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const CFX_PointF& point) {
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ASSERT(*pAnnot);
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return GetAnnotHandler(pAnnot->Get())
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->OnLButtonUp(pPageView, pAnnot, nFlags, point);
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDblClk(
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CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot::ObservedPtr* pAnnot,
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uint32_t nFlags,
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const CFX_PointF& point) {
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ASSERT(*pAnnot);
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return GetAnnotHandler(pAnnot->Get())
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->OnLButtonDblClk(pPageView, pAnnot, nFlags, point);
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnMouseMove(
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CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot::ObservedPtr* pAnnot,
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uint32_t nFlags,
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const CFX_PointF& point) {
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ASSERT(*pAnnot);
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return GetAnnotHandler(pAnnot->Get())
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->OnMouseMove(pPageView, pAnnot, nFlags, point);
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnMouseWheel(
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CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot::ObservedPtr* pAnnot,
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uint32_t nFlags,
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short zDelta,
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const CFX_PointF& point) {
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ASSERT(*pAnnot);
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return GetAnnotHandler(pAnnot->Get())
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->OnMouseWheel(pPageView, pAnnot, nFlags, zDelta, point);
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonDown(
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CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot::ObservedPtr* pAnnot,
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uint32_t nFlags,
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const CFX_PointF& point) {
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ASSERT(*pAnnot);
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return GetAnnotHandler(pAnnot->Get())
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->OnRButtonDown(pPageView, pAnnot, nFlags, point);
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonUp(
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CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot::ObservedPtr* pAnnot,
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uint32_t nFlags,
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const CFX_PointF& point) {
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ASSERT(*pAnnot);
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return GetAnnotHandler(pAnnot->Get())
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->OnRButtonUp(pPageView, pAnnot, nFlags, point);
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}
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void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseEnter(
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CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot::ObservedPtr* pAnnot,
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uint32_t nFlag) {
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ASSERT(*pAnnot);
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GetAnnotHandler(pAnnot->Get())->OnMouseEnter(pPageView, pAnnot, nFlag);
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}
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void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseExit(
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CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot::ObservedPtr* pAnnot,
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uint32_t nFlag) {
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ASSERT(*pAnnot);
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GetAnnotHandler(pAnnot->Get())->OnMouseExit(pPageView, pAnnot, nFlag);
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnChar(CPDFSDK_Annot* pAnnot,
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uint32_t nChar,
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uint32_t nFlags) {
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return GetAnnotHandler(pAnnot)->OnChar(pAnnot, nChar, nFlags);
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnKeyDown(CPDFSDK_Annot* pAnnot,
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int nKeyCode,
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int nFlag) {
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if (m_pFormFillEnv->IsCTRLKeyDown(nFlag) ||
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m_pFormFillEnv->IsALTKeyDown(nFlag)) {
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return GetAnnotHandler(pAnnot)->OnKeyDown(pAnnot, nKeyCode, nFlag);
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}
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CPDFSDK_PageView* pPage = pAnnot->GetPageView();
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CPDFSDK_Annot* pFocusAnnot = pPage->GetFocusAnnot();
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if (pFocusAnnot && (nKeyCode == FWL_VKEY_Tab)) {
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CPDFSDK_Annot::ObservedPtr pNext(
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GetNextAnnot(pFocusAnnot, !m_pFormFillEnv->IsSHIFTKeyDown(nFlag)));
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if (pNext && pNext.Get() != pFocusAnnot) {
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pPage->GetFormFillEnv()->SetFocusAnnot(&pNext);
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return true;
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}
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}
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return GetAnnotHandler(pAnnot)->OnKeyDown(pAnnot, nKeyCode, nFlag);
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnKeyUp(CPDFSDK_Annot* pAnnot,
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int nKeyCode,
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int nFlag) {
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return false;
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnSetFocus(
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CPDFSDK_Annot::ObservedPtr* pAnnot,
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uint32_t nFlag) {
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ASSERT(*pAnnot);
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return GetAnnotHandler(pAnnot->Get())->OnSetFocus(pAnnot, nFlag);
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnKillFocus(
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CPDFSDK_Annot::ObservedPtr* pAnnot,
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uint32_t nFlag) {
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ASSERT(*pAnnot);
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return GetAnnotHandler(pAnnot->Get())->OnKillFocus(pAnnot, nFlag);
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}
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#ifdef PDF_ENABLE_XFA
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnChangeFocus(
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CPDFSDK_Annot::ObservedPtr* pSetAnnot,
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CPDFSDK_Annot::ObservedPtr* pKillAnnot) {
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bool bXFA = (*pSetAnnot && (*pSetAnnot)->GetXFAWidget()) ||
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(*pKillAnnot && (*pKillAnnot)->GetXFAWidget());
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if (bXFA) {
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if (IPDFSDK_AnnotHandler* pXFAAnnotHandler =
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GetAnnotHandler(CPDF_Annot::Subtype::XFAWIDGET))
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return pXFAAnnotHandler->OnXFAChangedFocus(pKillAnnot, pSetAnnot);
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}
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return true;
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}
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#endif // PDF_ENABLE_XFA
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CFX_FloatRect CPDFSDK_AnnotHandlerMgr::Annot_OnGetViewBBox(
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CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot* pAnnot) {
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ASSERT(pAnnot);
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return GetAnnotHandler(pAnnot)->GetViewBBox(pPageView, pAnnot);
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}
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bool CPDFSDK_AnnotHandlerMgr::Annot_OnHitTest(CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot* pAnnot,
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const CFX_PointF& point) {
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ASSERT(pAnnot);
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IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot);
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if (pAnnotHandler->CanAnswer(pAnnot))
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return pAnnotHandler->HitTest(pPageView, pAnnot, point);
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return false;
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}
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CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::GetNextAnnot(CPDFSDK_Annot* pSDKAnnot,
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bool bNext) {
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#ifdef PDF_ENABLE_XFA
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CPDFSDK_PageView* pPageView = pSDKAnnot->GetPageView();
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CPDFXFA_Page* pPage = pPageView->GetPDFXFAPage();
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if (!pPage)
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return nullptr;
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if (pPage->GetPDFPage()) { // for pdf annots.
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CBA_AnnotIterator ai(pSDKAnnot->GetPageView(),
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pSDKAnnot->GetAnnotSubtype());
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CPDFSDK_Annot* pNext =
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bNext ? ai.GetNextAnnot(pSDKAnnot) : ai.GetPrevAnnot(pSDKAnnot);
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return pNext;
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}
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// for xfa annots
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std::unique_ptr<IXFA_WidgetIterator> pWidgetIterator(
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pPage->GetXFAPageView()->CreateWidgetIterator(
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XFA_TRAVERSEWAY_Tranvalse, XFA_WidgetStatus_Visible |
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XFA_WidgetStatus_Viewable |
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XFA_WidgetStatus_Focused));
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if (!pWidgetIterator)
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return nullptr;
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if (pWidgetIterator->GetCurrentWidget() != pSDKAnnot->GetXFAWidget())
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pWidgetIterator->SetCurrentWidget(pSDKAnnot->GetXFAWidget());
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CXFA_FFWidget* hNextFocus =
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bNext ? pWidgetIterator->MoveToNext() : pWidgetIterator->MoveToPrevious();
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if (!hNextFocus && pSDKAnnot)
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hNextFocus = pWidgetIterator->MoveToFirst();
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return pPageView->GetAnnotByXFAWidget(hNextFocus);
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#else // PDF_ENABLE_XFA
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CBA_AnnotIterator ai(pSDKAnnot->GetPageView(), CPDF_Annot::Subtype::WIDGET);
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return bNext ? ai.GetNextAnnot(pSDKAnnot) : ai.GetPrevAnnot(pSDKAnnot);
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#endif // PDF_ENABLE_XFA
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}
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