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_annothandlermgr.h" 8 9 #include "core/fpdfapi/parser/cpdf_number.h" 10 #include "core/fpdfapi/parser/cpdf_string.h" 11 #include "core/fpdfdoc/cpdf_annot.h" 12 #include "fpdfsdk/cba_annotiterator.h" 13 #include "fpdfsdk/cpdfsdk_annot.h" 14 #include "fpdfsdk/cpdfsdk_baannot.h" 15 #include "fpdfsdk/cpdfsdk_baannothandler.h" 16 #include "fpdfsdk/cpdfsdk_datetime.h" 17 #include "fpdfsdk/cpdfsdk_formfillenvironment.h" 18 #include "fpdfsdk/cpdfsdk_pageview.h" 19 #include "fpdfsdk/cpdfsdk_widgethandler.h" 20 21 #ifdef PDF_ENABLE_XFA 22 #include "fpdfsdk/cpdfsdk_xfawidgethandler.h" 23 #include "fpdfsdk/fpdfxfa/cpdfxfa_page.h" 24 #include "xfa/fxfa/xfa_ffpageview.h" 25 #include "xfa/fxfa/xfa_ffwidget.h" 26 #endif // PDF_ENABLE_XFA 27 28 CPDFSDK_AnnotHandlerMgr::CPDFSDK_AnnotHandlerMgr( 29 CPDFSDK_FormFillEnvironment* pFormFillEnv) 30 : m_pBAAnnotHandler(new CPDFSDK_BAAnnotHandler()), 31 m_pWidgetHandler(new CPDFSDK_WidgetHandler(pFormFillEnv)), 32 #ifdef PDF_ENABLE_XFA 33 m_pXFAWidgetHandler(new CPDFSDK_XFAWidgetHandler(pFormFillEnv)), 34 #endif // PDF_ENABLE_XFA 35 m_pFormFillEnv(pFormFillEnv) { 36 m_pWidgetHandler->SetFormFiller(m_pFormFillEnv->GetInteractiveFormFiller()); 37 } 38 39 CPDFSDK_AnnotHandlerMgr::~CPDFSDK_AnnotHandlerMgr() {} 40 41 CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CPDF_Annot* pAnnot, 42 CPDFSDK_PageView* pPageView) { 43 ASSERT(pPageView); 44 return GetAnnotHandler(pAnnot->GetSubtype())->NewAnnot(pAnnot, pPageView); 45 } 46 47 #ifdef PDF_ENABLE_XFA 48 CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CXFA_FFWidget* pAnnot, 49 CPDFSDK_PageView* pPageView) { 50 ASSERT(pAnnot); 51 ASSERT(pPageView); 52 53 return GetAnnotHandler(CPDF_Annot::Subtype::XFAWIDGET) 54 ->NewAnnot(pAnnot, pPageView); 55 } 56 #endif // PDF_ENABLE_XFA 57 58 void CPDFSDK_AnnotHandlerMgr::ReleaseAnnot(CPDFSDK_Annot* pAnnot) { 59 IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot); 60 pAnnotHandler->ReleaseAnnot(pAnnot); 61 } 62 63 void CPDFSDK_AnnotHandlerMgr::Annot_OnCreate(CPDFSDK_Annot* pAnnot) { 64 CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot(); 65 66 CPDFSDK_DateTime curTime; 67 pPDFAnnot->GetAnnotDict()->SetNewFor<CPDF_String>( 68 "M", curTime.ToPDFDateTimeString(), false); 69 pPDFAnnot->GetAnnotDict()->SetNewFor<CPDF_Number>("F", 0); 70 } 71 72 void CPDFSDK_AnnotHandlerMgr::Annot_OnLoad(CPDFSDK_Annot* pAnnot) { 73 ASSERT(pAnnot); 74 GetAnnotHandler(pAnnot)->OnLoad(pAnnot); 75 } 76 77 IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler( 78 CPDFSDK_Annot* pAnnot) const { 79 return GetAnnotHandler(pAnnot->GetAnnotSubtype()); 80 } 81 82 IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler( 83 CPDF_Annot::Subtype nAnnotSubtype) const { 84 if (nAnnotSubtype == CPDF_Annot::Subtype::WIDGET) 85 return m_pWidgetHandler.get(); 86 87 #ifdef PDF_ENABLE_XFA 88 if (nAnnotSubtype == CPDF_Annot::Subtype::XFAWIDGET) 89 return m_pXFAWidgetHandler.get(); 90 #endif // PDF_ENABLE_XFA 91 92 return m_pBAAnnotHandler.get(); 93 } 94 95 void CPDFSDK_AnnotHandlerMgr::Annot_OnDraw(CPDFSDK_PageView* pPageView, 96 CPDFSDK_Annot* pAnnot, 97 CFX_RenderDevice* pDevice, 98 CFX_Matrix* pUser2Device, 99 bool bDrawAnnots) { 100 ASSERT(pAnnot); 101 GetAnnotHandler(pAnnot)->OnDraw(pPageView, pAnnot, pDevice, pUser2Device, 102 bDrawAnnots); 103 } 104 105 bool CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDown( 106 CPDFSDK_PageView* pPageView, 107 CPDFSDK_Annot::ObservedPtr* pAnnot, 108 uint32_t nFlags, 109 const CFX_PointF& point) { 110 ASSERT(*pAnnot); 111 return GetAnnotHandler(pAnnot->Get()) 112 ->OnLButtonDown(pPageView, pAnnot, nFlags, point); 113 } 114 115 bool CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonUp( 116 CPDFSDK_PageView* pPageView, 117 CPDFSDK_Annot::ObservedPtr* pAnnot, 118 uint32_t nFlags, 119 const CFX_PointF& point) { 120 ASSERT(*pAnnot); 121 return GetAnnotHandler(pAnnot->Get()) 122 ->OnLButtonUp(pPageView, pAnnot, nFlags, point); 123 } 124 125 bool CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDblClk( 126 CPDFSDK_PageView* pPageView, 127 CPDFSDK_Annot::ObservedPtr* pAnnot, 128 uint32_t nFlags, 129 const CFX_PointF& point) { 130 ASSERT(*pAnnot); 131 return GetAnnotHandler(pAnnot->Get()) 132 ->OnLButtonDblClk(pPageView, pAnnot, nFlags, point); 133 } 134 135 bool CPDFSDK_AnnotHandlerMgr::Annot_OnMouseMove( 136 CPDFSDK_PageView* pPageView, 137 CPDFSDK_Annot::ObservedPtr* pAnnot, 138 uint32_t nFlags, 139 const CFX_PointF& point) { 140 ASSERT(*pAnnot); 141 return GetAnnotHandler(pAnnot->Get()) 142 ->OnMouseMove(pPageView, pAnnot, nFlags, point); 143 } 144 145 bool CPDFSDK_AnnotHandlerMgr::Annot_OnMouseWheel( 146 CPDFSDK_PageView* pPageView, 147 CPDFSDK_Annot::ObservedPtr* pAnnot, 148 uint32_t nFlags, 149 short zDelta, 150 const CFX_PointF& point) { 151 ASSERT(*pAnnot); 152 return GetAnnotHandler(pAnnot->Get()) 153 ->OnMouseWheel(pPageView, pAnnot, nFlags, zDelta, point); 154 } 155 156 bool CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonDown( 157 CPDFSDK_PageView* pPageView, 158 CPDFSDK_Annot::ObservedPtr* pAnnot, 159 uint32_t nFlags, 160 const CFX_PointF& point) { 161 ASSERT(*pAnnot); 162 return GetAnnotHandler(pAnnot->Get()) 163 ->OnRButtonDown(pPageView, pAnnot, nFlags, point); 164 } 165 166 bool CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonUp( 167 CPDFSDK_PageView* pPageView, 168 CPDFSDK_Annot::ObservedPtr* pAnnot, 169 uint32_t nFlags, 170 const CFX_PointF& point) { 171 ASSERT(*pAnnot); 172 return GetAnnotHandler(pAnnot->Get()) 173 ->OnRButtonUp(pPageView, pAnnot, nFlags, point); 174 } 175 176 void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseEnter( 177 CPDFSDK_PageView* pPageView, 178 CPDFSDK_Annot::ObservedPtr* pAnnot, 179 uint32_t nFlag) { 180 ASSERT(*pAnnot); 181 GetAnnotHandler(pAnnot->Get())->OnMouseEnter(pPageView, pAnnot, nFlag); 182 } 183 184 void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseExit( 185 CPDFSDK_PageView* pPageView, 186 CPDFSDK_Annot::ObservedPtr* pAnnot, 187 uint32_t nFlag) { 188 ASSERT(*pAnnot); 189 GetAnnotHandler(pAnnot->Get())->OnMouseExit(pPageView, pAnnot, nFlag); 190 } 191 192 bool CPDFSDK_AnnotHandlerMgr::Annot_OnChar(CPDFSDK_Annot* pAnnot, 193 uint32_t nChar, 194 uint32_t nFlags) { 195 return GetAnnotHandler(pAnnot)->OnChar(pAnnot, nChar, nFlags); 196 } 197 198 bool CPDFSDK_AnnotHandlerMgr::Annot_OnKeyDown(CPDFSDK_Annot* pAnnot, 199 int nKeyCode, 200 int nFlag) { 201 if (m_pFormFillEnv->IsCTRLKeyDown(nFlag) || 202 m_pFormFillEnv->IsALTKeyDown(nFlag)) { 203 return GetAnnotHandler(pAnnot)->OnKeyDown(pAnnot, nKeyCode, nFlag); 204 } 205 206 CPDFSDK_PageView* pPage = pAnnot->GetPageView(); 207 CPDFSDK_Annot* pFocusAnnot = pPage->GetFocusAnnot(); 208 if (pFocusAnnot && (nKeyCode == FWL_VKEY_Tab)) { 209 CPDFSDK_Annot::ObservedPtr pNext( 210 GetNextAnnot(pFocusAnnot, !m_pFormFillEnv->IsSHIFTKeyDown(nFlag))); 211 if (pNext && pNext.Get() != pFocusAnnot) { 212 pPage->GetFormFillEnv()->SetFocusAnnot(&pNext); 213 return true; 214 } 215 } 216 217 return GetAnnotHandler(pAnnot)->OnKeyDown(pAnnot, nKeyCode, nFlag); 218 } 219 220 bool CPDFSDK_AnnotHandlerMgr::Annot_OnKeyUp(CPDFSDK_Annot* pAnnot, 221 int nKeyCode, 222 int nFlag) { 223 return false; 224 } 225 226 bool CPDFSDK_AnnotHandlerMgr::Annot_OnSetFocus( 227 CPDFSDK_Annot::ObservedPtr* pAnnot, 228 uint32_t nFlag) { 229 ASSERT(*pAnnot); 230 return GetAnnotHandler(pAnnot->Get())->OnSetFocus(pAnnot, nFlag); 231 } 232 233 bool CPDFSDK_AnnotHandlerMgr::Annot_OnKillFocus( 234 CPDFSDK_Annot::ObservedPtr* pAnnot, 235 uint32_t nFlag) { 236 ASSERT(*pAnnot); 237 return GetAnnotHandler(pAnnot->Get())->OnKillFocus(pAnnot, nFlag); 238 } 239 240 #ifdef PDF_ENABLE_XFA 241 bool CPDFSDK_AnnotHandlerMgr::Annot_OnChangeFocus( 242 CPDFSDK_Annot::ObservedPtr* pSetAnnot, 243 CPDFSDK_Annot::ObservedPtr* pKillAnnot) { 244 bool bXFA = (*pSetAnnot && (*pSetAnnot)->GetXFAWidget()) || 245 (*pKillAnnot && (*pKillAnnot)->GetXFAWidget()); 246 247 if (bXFA) { 248 if (IPDFSDK_AnnotHandler* pXFAAnnotHandler = 249 GetAnnotHandler(CPDF_Annot::Subtype::XFAWIDGET)) 250 return pXFAAnnotHandler->OnXFAChangedFocus(pKillAnnot, pSetAnnot); 251 } 252 253 return true; 254 } 255 #endif // PDF_ENABLE_XFA 256 257 CFX_FloatRect CPDFSDK_AnnotHandlerMgr::Annot_OnGetViewBBox( 258 CPDFSDK_PageView* pPageView, 259 CPDFSDK_Annot* pAnnot) { 260 ASSERT(pAnnot); 261 return GetAnnotHandler(pAnnot)->GetViewBBox(pPageView, pAnnot); 262 } 263 264 bool CPDFSDK_AnnotHandlerMgr::Annot_OnHitTest(CPDFSDK_PageView* pPageView, 265 CPDFSDK_Annot* pAnnot, 266 const CFX_PointF& point) { 267 ASSERT(pAnnot); 268 IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot); 269 if (pAnnotHandler->CanAnswer(pAnnot)) 270 return pAnnotHandler->HitTest(pPageView, pAnnot, point); 271 272 return false; 273 } 274 275 CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::GetNextAnnot(CPDFSDK_Annot* pSDKAnnot, 276 bool bNext) { 277 #ifdef PDF_ENABLE_XFA 278 CPDFSDK_PageView* pPageView = pSDKAnnot->GetPageView(); 279 CPDFXFA_Page* pPage = pPageView->GetPDFXFAPage(); 280 if (!pPage) 281 return nullptr; 282 if (pPage->GetPDFPage()) { // for pdf annots. 283 CBA_AnnotIterator ai(pSDKAnnot->GetPageView(), 284 pSDKAnnot->GetAnnotSubtype()); 285 CPDFSDK_Annot* pNext = 286 bNext ? ai.GetNextAnnot(pSDKAnnot) : ai.GetPrevAnnot(pSDKAnnot); 287 return pNext; 288 } 289 // for xfa annots 290 std::unique_ptr<IXFA_WidgetIterator> pWidgetIterator( 291 pPage->GetXFAPageView()->CreateWidgetIterator( 292 XFA_TRAVERSEWAY_Tranvalse, XFA_WidgetStatus_Visible | 293 XFA_WidgetStatus_Viewable | 294 XFA_WidgetStatus_Focused)); 295 if (!pWidgetIterator) 296 return nullptr; 297 if (pWidgetIterator->GetCurrentWidget() != pSDKAnnot->GetXFAWidget()) 298 pWidgetIterator->SetCurrentWidget(pSDKAnnot->GetXFAWidget()); 299 CXFA_FFWidget* hNextFocus = 300 bNext ? pWidgetIterator->MoveToNext() : pWidgetIterator->MoveToPrevious(); 301 if (!hNextFocus && pSDKAnnot) 302 hNextFocus = pWidgetIterator->MoveToFirst(); 303 304 return pPageView->GetAnnotByXFAWidget(hNextFocus); 305 #else // PDF_ENABLE_XFA 306 CBA_AnnotIterator ai(pSDKAnnot->GetPageView(), CPDF_Annot::Subtype::WIDGET); 307 return bNext ? ai.GetNextAnnot(pSDKAnnot) : ai.GetPrevAnnot(pSDKAnnot); 308 #endif // PDF_ENABLE_XFA 309 } 310
