1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "fpdfsdk/cpdfsdk_baannothandler.h" 8 9 #include <memory> 10 #include <vector> 11 12 #include "core/fpdfapi/page/cpdf_page.h" 13 #include "core/fpdfapi/parser/cpdf_document.h" 14 #include "core/fpdfdoc/cpdf_interform.h" 15 #include "fpdfsdk/cpdfsdk_annot.h" 16 #include "fpdfsdk/cpdfsdk_baannot.h" 17 #include "fpdfsdk/cpdfsdk_pageview.h" 18 #include "fpdfsdk/formfiller/cffl_formfiller.h" 19 20 #ifdef PDF_ENABLE_XFA 21 #include "fpdfsdk/fpdfxfa/cpdfxfa_context.h" 22 #endif // PDF_ENABLE_XFA 23 24 namespace { 25 26 void UpdateAnnotRects(CPDFSDK_PageView* pPageView, CPDFSDK_BAAnnot* pBAAnnot) { 27 std::vector<CFX_FloatRect> rects; 28 rects.push_back(pBAAnnot->GetRect()); 29 if (CPDF_Annot* pPopupAnnot = pBAAnnot->GetPDFPopupAnnot()) 30 rects.push_back(pPopupAnnot->GetRect()); 31 32 // Make the rects round up to avoid https://crbug.com/662804 33 for (CFX_FloatRect& rect : rects) 34 rect.Inflate(1, 1); 35 36 pPageView->UpdateRects(rects); 37 } 38 39 } // namespace 40 41 CPDFSDK_BAAnnotHandler::CPDFSDK_BAAnnotHandler() {} 42 43 CPDFSDK_BAAnnotHandler::~CPDFSDK_BAAnnotHandler() {} 44 45 bool CPDFSDK_BAAnnotHandler::CanAnswer(CPDFSDK_Annot* pAnnot) { 46 return false; 47 } 48 49 CPDFSDK_Annot* CPDFSDK_BAAnnotHandler::NewAnnot(CPDF_Annot* pAnnot, 50 CPDFSDK_PageView* pPage) { 51 return new CPDFSDK_BAAnnot(pAnnot, pPage); 52 } 53 54 #ifdef PDF_ENABLE_XFA 55 CPDFSDK_Annot* CPDFSDK_BAAnnotHandler::NewAnnot(CXFA_FFWidget* hWidget, 56 CPDFSDK_PageView* pPage) { 57 return nullptr; 58 } 59 #endif // PDF_ENABLE_XFA 60 61 void CPDFSDK_BAAnnotHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot) { 62 delete pAnnot; 63 } 64 65 void CPDFSDK_BAAnnotHandler::OnDraw(CPDFSDK_PageView* pPageView, 66 CPDFSDK_Annot* pAnnot, 67 CFX_RenderDevice* pDevice, 68 CFX_Matrix* pUser2Device, 69 bool bDrawAnnots) { 70 #ifdef PDF_ENABLE_XFA 71 if (pAnnot->IsXFAField()) 72 return; 73 #endif // PDF_ENABLE_XFA 74 if (bDrawAnnots && pAnnot->GetAnnotSubtype() == CPDF_Annot::Subtype::POPUP) { 75 static_cast<CPDFSDK_BAAnnot*>(pAnnot)->DrawAppearance( 76 pDevice, *pUser2Device, CPDF_Annot::Normal, nullptr); 77 } 78 } 79 80 void CPDFSDK_BAAnnotHandler::OnMouseEnter(CPDFSDK_PageView* pPageView, 81 CPDFSDK_Annot::ObservedPtr* pAnnot, 82 uint32_t nFlag) { 83 CPDFSDK_BAAnnot* pBAAnnot = static_cast<CPDFSDK_BAAnnot*>(pAnnot->Get()); 84 pBAAnnot->SetOpenState(true); 85 UpdateAnnotRects(pPageView, pBAAnnot); 86 } 87 88 void CPDFSDK_BAAnnotHandler::OnMouseExit(CPDFSDK_PageView* pPageView, 89 CPDFSDK_Annot::ObservedPtr* pAnnot, 90 uint32_t nFlag) { 91 CPDFSDK_BAAnnot* pBAAnnot = static_cast<CPDFSDK_BAAnnot*>(pAnnot->Get()); 92 pBAAnnot->SetOpenState(false); 93 UpdateAnnotRects(pPageView, pBAAnnot); 94 } 95 96 bool CPDFSDK_BAAnnotHandler::OnLButtonDown(CPDFSDK_PageView* pPageView, 97 CPDFSDK_Annot::ObservedPtr* pAnnot, 98 uint32_t nFlags, 99 const CFX_PointF& point) { 100 return false; 101 } 102 103 bool CPDFSDK_BAAnnotHandler::OnLButtonUp(CPDFSDK_PageView* pPageView, 104 CPDFSDK_Annot::ObservedPtr* pAnnot, 105 uint32_t nFlags, 106 const CFX_PointF& point) { 107 return false; 108 } 109 110 bool CPDFSDK_BAAnnotHandler::OnLButtonDblClk(CPDFSDK_PageView* pPageView, 111 CPDFSDK_Annot::ObservedPtr* pAnnot, 112 uint32_t nFlags, 113 const CFX_PointF& point) { 114 return false; 115 } 116 117 bool CPDFSDK_BAAnnotHandler::OnMouseMove(CPDFSDK_PageView* pPageView, 118 CPDFSDK_Annot::ObservedPtr* pAnnot, 119 uint32_t nFlags, 120 const CFX_PointF& point) { 121 return false; 122 } 123 124 bool CPDFSDK_BAAnnotHandler::OnMouseWheel(CPDFSDK_PageView* pPageView, 125 CPDFSDK_Annot::ObservedPtr* pAnnot, 126 uint32_t nFlags, 127 short zDelta, 128 const CFX_PointF& point) { 129 return false; 130 } 131 132 bool CPDFSDK_BAAnnotHandler::OnRButtonDown(CPDFSDK_PageView* pPageView, 133 CPDFSDK_Annot::ObservedPtr* pAnnot, 134 uint32_t nFlags, 135 const CFX_PointF& point) { 136 return false; 137 } 138 139 bool CPDFSDK_BAAnnotHandler::OnRButtonUp(CPDFSDK_PageView* pPageView, 140 CPDFSDK_Annot::ObservedPtr* pAnnot, 141 uint32_t nFlags, 142 const CFX_PointF& point) { 143 return false; 144 } 145 146 bool CPDFSDK_BAAnnotHandler::OnRButtonDblClk(CPDFSDK_PageView* pPageView, 147 CPDFSDK_Annot::ObservedPtr* pAnnot, 148 uint32_t nFlags, 149 const CFX_PointF& point) { 150 return false; 151 } 152 153 bool CPDFSDK_BAAnnotHandler::OnChar(CPDFSDK_Annot* pAnnot, 154 uint32_t nChar, 155 uint32_t nFlags) { 156 return false; 157 } 158 159 bool CPDFSDK_BAAnnotHandler::OnKeyDown(CPDFSDK_Annot* pAnnot, 160 int nKeyCode, 161 int nFlag) { 162 return false; 163 } 164 165 bool CPDFSDK_BAAnnotHandler::OnKeyUp(CPDFSDK_Annot* pAnnot, 166 int nKeyCode, 167 int nFlag) { 168 return false; 169 } 170 171 void CPDFSDK_BAAnnotHandler::OnLoad(CPDFSDK_Annot* pAnnot) {} 172 173 bool CPDFSDK_BAAnnotHandler::OnSetFocus(CPDFSDK_Annot::ObservedPtr* pAnnot, 174 uint32_t nFlag) { 175 return false; 176 } 177 178 bool CPDFSDK_BAAnnotHandler::OnKillFocus(CPDFSDK_Annot::ObservedPtr* pAnnot, 179 uint32_t nFlag) { 180 return false; 181 } 182 183 #ifdef PDF_ENABLE_XFA 184 bool CPDFSDK_BAAnnotHandler::OnXFAChangedFocus( 185 CPDFSDK_Annot::ObservedPtr* pOldAnnot, 186 CPDFSDK_Annot::ObservedPtr* pNewAnnot) { 187 return true; 188 } 189 #endif // PDF_ENABLE_XFA 190 191 CFX_FloatRect CPDFSDK_BAAnnotHandler::GetViewBBox(CPDFSDK_PageView* pPageView, 192 CPDFSDK_Annot* pAnnot) { 193 return pAnnot->GetRect(); 194 } 195 196 WideString CPDFSDK_BAAnnotHandler::GetSelectedText(CPDFSDK_Annot* pAnnot) { 197 return WideString(); 198 } 199 200 void CPDFSDK_BAAnnotHandler::ReplaceSelection(CPDFSDK_Annot* pAnnot, 201 const WideString& text) {} 202 203 bool CPDFSDK_BAAnnotHandler::HitTest(CPDFSDK_PageView* pPageView, 204 CPDFSDK_Annot* pAnnot, 205 const CFX_PointF& point) { 206 ASSERT(pPageView); 207 ASSERT(pAnnot); 208 return GetViewBBox(pPageView, pAnnot).Contains(point); 209 } 210