Display content of the annotation when mouse hover.

fpdfsdk/cpdfsdk_baannot.cpp

 // 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_baannot.h"
 
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_number.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
 #include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h"
 #include "fpdfsdk/include/cpdfsdk_datetime.h"
 #include "fpdfsdk/include/fsdk_mgr.h"
 
 CPDFSDK_BAAnnot::CPDFSDK_BAAnnot(CPDF_Annot* pAnnot,
                                  CPDFSDK_PageView* pPageView)
     : CPDFSDK_Annot(pPageView), m_pAnnot(pAnnot) {}
 
 CPDFSDK_BAAnnot::~CPDFSDK_BAAnnot() {}
 
 CPDF_Annot* CPDFSDK_BAAnnot::GetPDFAnnot() const {
   return m_pAnnot;
 }
 
+CPDF_Annot* CPDFSDK_BAAnnot::GetPDFPopupAnnot() const {
+  return m_pAnnot->GetPopupAnnot();
+}
+
 CPDF_Dictionary* CPDFSDK_BAAnnot::GetAnnotDict() const {
   return m_pAnnot->GetAnnotDict();
 }
 
 void CPDFSDK_BAAnnot::SetRect(const CFX_FloatRect& rect) {
   ASSERT(rect.right - rect.left >= GetMinWidth());
   ASSERT(rect.top - rect.bottom >= GetMinHeight());
 
   m_pAnnot->GetAnnotDict()->SetAtRect("Rect", rect);
 }
@@ skipping 359 matching lines @@
   return CPDF_Action();
 }
 
 void CPDFSDK_BAAnnot::Annot_OnDraw(CFX_RenderDevice* pDevice,
                                    CFX_Matrix* pUser2Device,
                                    CPDF_RenderOptions* pOptions) {
   m_pAnnot->GetAPForm(m_pPageView->GetPDFPage(), CPDF_Annot::Normal);
   m_pAnnot->DrawAppearance(m_pPageView->GetPDFPage(), pDevice, pUser2Device,
                            CPDF_Annot::Normal, nullptr);
 }
+
+void CPDFSDK_BAAnnot::SetOpenState(bool bOpenState) {
+  if (!m_pAnnot->GetPopupAnnot())
+    return;
+

[dsinclair, 2016/08/24 14:00:20]

if (CPDF_Annot* pAnnot = m_pAnnot->GetPopupAnnot())
  pAnnot->SetOpenState(bOpenState);

[jaepark, 2016/08/24 18:37:49]

Done.

+  m_pAnnot->GetPopupAnnot()->SetOpenState(bOpenState);
+}