cpdfsdk_baannothandler.cpp revision 33357cad1fd1321a2b38d2963e2585f27ce980a2 
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
24namespace {
25
26void 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
41CPDFSDK_BAAnnotHandler::CPDFSDK_BAAnnotHandler() {}
42
43CPDFSDK_BAAnnotHandler::~CPDFSDK_BAAnnotHandler() {}
44
45bool CPDFSDK_BAAnnotHandler::CanAnswer(CPDFSDK_Annot* pAnnot) {
46  return false;
47}
48
49CPDFSDK_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
55CPDFSDK_Annot* CPDFSDK_BAAnnotHandler::NewAnnot(CXFA_FFWidget* hWidget,
56                                                CPDFSDK_PageView* pPage) {
57  return nullptr;
58}
59#endif  // PDF_ENABLE_XFA
60
61void CPDFSDK_BAAnnotHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot) {
62  delete pAnnot;
63}
64
65void 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
80void 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
88void 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
96bool 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
103bool 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
110bool 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
117bool 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
124bool 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
132bool 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
139bool 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
146bool 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
153bool CPDFSDK_BAAnnotHandler::OnChar(CPDFSDK_Annot* pAnnot,
154                                    uint32_t nChar,
155                                    uint32_t nFlags) {
156  return false;
157}
158
159bool CPDFSDK_BAAnnotHandler::OnKeyDown(CPDFSDK_Annot* pAnnot,
160                                       int nKeyCode,
161                                       int nFlag) {
162  return false;
163}
164
165bool CPDFSDK_BAAnnotHandler::OnKeyUp(CPDFSDK_Annot* pAnnot,
166                                     int nKeyCode,
167                                     int nFlag) {
168  return false;
169}
170
171void CPDFSDK_BAAnnotHandler::OnLoad(CPDFSDK_Annot* pAnnot) {}
172
173bool CPDFSDK_BAAnnotHandler::OnSetFocus(CPDFSDK_Annot::ObservedPtr* pAnnot,
174                                        uint32_t nFlag) {
175  return false;
176}
177
178bool CPDFSDK_BAAnnotHandler::OnKillFocus(CPDFSDK_Annot::ObservedPtr* pAnnot,
179                                         uint32_t nFlag) {
180  return false;
181}
182
183#ifdef PDF_ENABLE_XFA
184bool CPDFSDK_BAAnnotHandler::OnXFAChangedFocus(
185    CPDFSDK_Annot::ObservedPtr* pOldAnnot,
186    CPDFSDK_Annot::ObservedPtr* pNewAnnot) {
187  return true;
188}
189#endif  // PDF_ENABLE_XFA
190
191CFX_FloatRect CPDFSDK_BAAnnotHandler::GetViewBBox(CPDFSDK_PageView* pPageView,
192                                                  CPDFSDK_Annot* pAnnot) {
193  return pAnnot->GetRect();
194}
195
196bool CPDFSDK_BAAnnotHandler::HitTest(CPDFSDK_PageView* pPageView,
197                                     CPDFSDK_Annot* pAnnot,
198                                     const CFX_PointF& point) {
199  ASSERT(pPageView);
200  ASSERT(pAnnot);
201  return GetViewBBox(pPageView, pAnnot).Contains(point);
202}
203