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
UpdateAnnotRects(CPDFSDK_PageView * pPageView,CPDFSDK_BAAnnot * pBAAnnot)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
CPDFSDK_BAAnnotHandler()41 CPDFSDK_BAAnnotHandler::CPDFSDK_BAAnnotHandler() {}
42
~CPDFSDK_BAAnnotHandler()43 CPDFSDK_BAAnnotHandler::~CPDFSDK_BAAnnotHandler() {}
44
CanAnswer(CPDFSDK_Annot * pAnnot)45 bool CPDFSDK_BAAnnotHandler::CanAnswer(CPDFSDK_Annot* pAnnot) {
46 return false;
47 }
48
NewAnnot(CPDF_Annot * pAnnot,CPDFSDK_PageView * pPage)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
NewAnnot(CXFA_FFWidget * hWidget,CPDFSDK_PageView * pPage)55 CPDFSDK_Annot* CPDFSDK_BAAnnotHandler::NewAnnot(CXFA_FFWidget* hWidget,
56 CPDFSDK_PageView* pPage) {
57 return nullptr;
58 }
59 #endif // PDF_ENABLE_XFA
60
ReleaseAnnot(CPDFSDK_Annot * pAnnot)61 void CPDFSDK_BAAnnotHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot) {
62 delete pAnnot;
63 }
64
OnDraw(CPDFSDK_PageView * pPageView,CPDFSDK_Annot * pAnnot,CFX_RenderDevice * pDevice,CFX_Matrix * pUser2Device,bool bDrawAnnots)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
OnMouseEnter(CPDFSDK_PageView * pPageView,CPDFSDK_Annot::ObservedPtr * pAnnot,uint32_t nFlag)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
OnMouseExit(CPDFSDK_PageView * pPageView,CPDFSDK_Annot::ObservedPtr * pAnnot,uint32_t nFlag)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
OnLButtonDown(CPDFSDK_PageView * pPageView,CPDFSDK_Annot::ObservedPtr * pAnnot,uint32_t nFlags,const CFX_PointF & point)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
OnLButtonUp(CPDFSDK_PageView * pPageView,CPDFSDK_Annot::ObservedPtr * pAnnot,uint32_t nFlags,const CFX_PointF & point)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
OnLButtonDblClk(CPDFSDK_PageView * pPageView,CPDFSDK_Annot::ObservedPtr * pAnnot,uint32_t nFlags,const CFX_PointF & point)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
OnMouseMove(CPDFSDK_PageView * pPageView,CPDFSDK_Annot::ObservedPtr * pAnnot,uint32_t nFlags,const CFX_PointF & point)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
OnMouseWheel(CPDFSDK_PageView * pPageView,CPDFSDK_Annot::ObservedPtr * pAnnot,uint32_t nFlags,short zDelta,const CFX_PointF & point)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
OnRButtonDown(CPDFSDK_PageView * pPageView,CPDFSDK_Annot::ObservedPtr * pAnnot,uint32_t nFlags,const CFX_PointF & point)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
OnRButtonUp(CPDFSDK_PageView * pPageView,CPDFSDK_Annot::ObservedPtr * pAnnot,uint32_t nFlags,const CFX_PointF & point)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
OnRButtonDblClk(CPDFSDK_PageView * pPageView,CPDFSDK_Annot::ObservedPtr * pAnnot,uint32_t nFlags,const CFX_PointF & point)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
OnChar(CPDFSDK_Annot * pAnnot,uint32_t nChar,uint32_t nFlags)153 bool CPDFSDK_BAAnnotHandler::OnChar(CPDFSDK_Annot* pAnnot,
154 uint32_t nChar,
155 uint32_t nFlags) {
156 return false;
157 }
158
OnKeyDown(CPDFSDK_Annot * pAnnot,int nKeyCode,int nFlag)159 bool CPDFSDK_BAAnnotHandler::OnKeyDown(CPDFSDK_Annot* pAnnot,
160 int nKeyCode,
161 int nFlag) {
162 return false;
163 }
164
OnKeyUp(CPDFSDK_Annot * pAnnot,int nKeyCode,int nFlag)165 bool CPDFSDK_BAAnnotHandler::OnKeyUp(CPDFSDK_Annot* pAnnot,
166 int nKeyCode,
167 int nFlag) {
168 return false;
169 }
170
OnLoad(CPDFSDK_Annot * pAnnot)171 void CPDFSDK_BAAnnotHandler::OnLoad(CPDFSDK_Annot* pAnnot) {}
172
OnSetFocus(CPDFSDK_Annot::ObservedPtr * pAnnot,uint32_t nFlag)173 bool CPDFSDK_BAAnnotHandler::OnSetFocus(CPDFSDK_Annot::ObservedPtr* pAnnot,
174 uint32_t nFlag) {
175 return false;
176 }
177
OnKillFocus(CPDFSDK_Annot::ObservedPtr * pAnnot,uint32_t nFlag)178 bool CPDFSDK_BAAnnotHandler::OnKillFocus(CPDFSDK_Annot::ObservedPtr* pAnnot,
179 uint32_t nFlag) {
180 return false;
181 }
182
183 #ifdef PDF_ENABLE_XFA
OnXFAChangedFocus(CPDFSDK_Annot::ObservedPtr * pOldAnnot,CPDFSDK_Annot::ObservedPtr * pNewAnnot)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
GetViewBBox(CPDFSDK_PageView * pPageView,CPDFSDK_Annot * pAnnot)191 CFX_FloatRect CPDFSDK_BAAnnotHandler::GetViewBBox(CPDFSDK_PageView* pPageView,
192 CPDFSDK_Annot* pAnnot) {
193 return pAnnot->GetRect();
194 }
195
GetSelectedText(CPDFSDK_Annot * pAnnot)196 WideString CPDFSDK_BAAnnotHandler::GetSelectedText(CPDFSDK_Annot* pAnnot) {
197 return WideString();
198 }
199
ReplaceSelection(CPDFSDK_Annot * pAnnot,const WideString & text)200 void CPDFSDK_BAAnnotHandler::ReplaceSelection(CPDFSDK_Annot* pAnnot,
201 const WideString& text) {}
202
HitTest(CPDFSDK_PageView * pPageView,CPDFSDK_Annot * pAnnot,const CFX_PointF & point)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