Add APIs for getting bookmarks and named destinations.
[pdfium.git] / fpdfsdk / src / fpdfformfill.cpp
1 // Copyright 2014 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 "../include/fpdfview.h"
8 #include "../include/fpdfformfill.h"
9 #include "../include/fsdk_define.h"
10 #include "../include/fsdk_mgr.h"
11
12
13 #include "../include/javascript/IJavaScript.h"
14
15
16 DLLEXPORT int STDCALL FPDPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle, FPDF_PAGE page,double page_x, double page_y)
17 {
18         if(!page || !hHandle)
19                 return -1;
20         CPDF_Page * pPage = (CPDF_Page*) page;
21
22         CPDF_InterForm * pInterForm = NULL;
23         pInterForm = new CPDF_InterForm(pPage->m_pDocument,FALSE);
24         if (!pInterForm)
25                 return -1;
26         CPDF_FormControl* pFormCtrl = pInterForm->GetControlAtPoint(pPage, (FX_FLOAT)page_x, (FX_FLOAT)page_y);
27         if(!pFormCtrl)
28         {
29                 delete pInterForm;
30                 return -1;
31         }
32         CPDF_FormField* pFormField = pFormCtrl->GetField();
33         if(!pFormField)
34         {
35                 delete pInterForm;
36                 return -1;
37         }
38         
39         int nType = pFormField->GetFieldType();
40         delete pInterForm;
41         return nType;
42 }
43
44 DLLEXPORT FPDF_FORMHANDLE STDCALL FPDFDOC_InitFormFillEnvironment(FPDF_DOCUMENT document, FPDF_FORMFILLINFO* formInfo)
45 {
46         if(!document || !formInfo || formInfo->version!=1)
47                 return NULL;
48         CPDF_Document * pDocument = (CPDF_Document*) document;
49         CPDFDoc_Environment * pEnv = NULL;
50         pEnv = new CPDFDoc_Environment(pDocument);
51         if (!pEnv)
52                 return NULL;
53         pEnv->RegAppHandle(formInfo);
54
55         if(pEnv->GetPDFDocument())
56         {
57                 CPDFSDK_Document* pSDKDoc = new CPDFSDK_Document(pEnv->GetPDFDocument(), pEnv);
58                 if(pSDKDoc)
59                         pEnv->SetCurrentDoc(pSDKDoc);
60         }
61         return pEnv;
62 }
63
64 DLLEXPORT void STDCALL FPDFDOC_ExitFormFillEnvironment(FPDF_FORMHANDLE hHandle)
65 {
66         if(!hHandle)
67                 return; 
68         CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
69         if(pSDKDoc)
70         {
71                 ((CPDFDoc_Environment*)hHandle)->SetCurrentDoc(NULL);
72                 delete pSDKDoc;
73         }
74         delete (CPDFDoc_Environment*)hHandle;
75         hHandle = NULL;
76 }
77
78 DLLEXPORT FPDF_BOOL STDCALL FORM_OnMouseMove(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int modifier, double page_x, double page_y)
79 {       
80         if (!hHandle || !page)
81                 return FALSE;
82 //      CPDF_Page * pPage = (CPDF_Page*) page;
83 //      CPDF_Document * pDoc = pPage->m_pDocument;
84 //      CPDFDoc_Environment* pEnv = (CPDFDoc_Environment*)hHandle;
85         CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
86         if(!pFXDoc)
87                 return FALSE;
88         CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page);
89         if(!pPageView)
90                 return FALSE;
91         
92 //      double page_x = 0;
93 //      double page_y = 0;
94 //      pEnv->FFI_DeviceToPage(page, point_x, point_y, &page_x, &page_y);
95         CPDF_Point pt((FX_FLOAT)page_x, (FX_FLOAT)page_y);
96         return pPageView->OnMouseMove(pt, modifier);
97 }
98
99 DLLEXPORT FPDF_BOOL STDCALL FORM_OnLButtonDown(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int modifier, double page_x, double page_y)
100 {
101         if (!hHandle || !page)
102                 return FALSE;
103         CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
104         if(!pFXDoc)
105                 return FALSE;
106         CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page);
107         if(!pPageView)
108                 return FALSE;
109 //      double page_x = 0;
110 //      double page_y = 0;
111 //      pEnv->FFI_DeviceToPage(page, point_x, point_y, &page_x, &page_y);
112         CPDF_Point pt((FX_FLOAT)page_x, (FX_FLOAT)page_y);
113         return pPageView->OnLButtonDown(pt, modifier);
114 }
115
116 DLLEXPORT FPDF_BOOL STDCALL FORM_OnLButtonUp(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int modifier, double page_x, double page_y)
117 {
118         if (!hHandle || !page)
119                 return FALSE;
120         CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
121         if(!pFXDoc)
122                 return FALSE;
123         CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page);
124         if(!pPageView)
125                 return FALSE;
126 //      double page_x = 0;
127 //      double page_y = 0;
128 //      pEnv->FFI_DeviceToPage(page, point_x, point_y, &page_x, &page_y);
129         CPDF_Point pt((FX_FLOAT)page_x, (FX_FLOAT)page_y);
130         return pPageView->OnLButtonUp(pt, modifier);
131 }
132
133 DLLEXPORT FPDF_BOOL STDCALL FORM_OnKeyDown(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int nKeyCode, int modifier)
134 {
135         if (!hHandle || !page)
136                 return FALSE;
137         CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
138         if(!pFXDoc)
139                 return FALSE;
140         CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page);
141         if(!pPageView)
142                 return FALSE;
143         
144         
145         return pPageView->OnKeyDown(nKeyCode, modifier);
146 }
147
148 DLLEXPORT FPDF_BOOL STDCALL FORM_OnKeyUp(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int nKeyCode, int modifier)
149 {
150         if (!hHandle || !page)
151                 return FALSE;
152         CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
153         if(!pFXDoc)
154                 return FALSE;
155         CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page);
156         if(!pPageView)
157                 return FALSE;
158         
159         
160         return pPageView->OnKeyUp(nKeyCode, modifier);
161 }
162
163
164 DLLEXPORT FPDF_BOOL STDCALL FORM_OnChar(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int nChar,  int modifier)
165 {
166         if (!hHandle || !page)
167                 return FALSE;
168         CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
169         if(!pFXDoc)
170                 return FALSE;
171         CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page);
172         if(!pPageView)
173                 return FALSE;
174         return pPageView->OnChar(nChar, modifier);
175
176 }
177
178 DLLEXPORT FPDF_BOOL STDCALL FORM_ForceToKillFocus(FPDF_FORMHANDLE hHandle)
179 {
180         if(!hHandle)
181                 return FALSE;
182         CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
183         if(!pSDKDoc)
184                 return FALSE;
185         //Kill the current focus. 
186         return pSDKDoc->KillFocusAnnot(0);
187 }
188
189 DLLEXPORT void STDCALL FPDF_FFLDraw(FPDF_FORMHANDLE hHandle, FPDF_BITMAP bitmap, FPDF_PAGE page, int start_x, int start_y, 
190                                                                                                   int size_x, int size_y, int rotate, int flags)
191 {
192         if (!hHandle || !page)
193                 return ;
194         CPDF_Page* pPage = (CPDF_Page*)page;
195         
196         CPDF_RenderOptions options;
197         if (flags & FPDF_LCD_TEXT)
198                 options.m_Flags |= RENDER_CLEARTYPE;
199         else
200                 options.m_Flags &= ~RENDER_CLEARTYPE;
201         
202         //Grayscale output
203         if (flags & FPDF_GRAYSCALE)
204         {
205                 options.m_ColorMode = RENDER_COLOR_GRAY;
206                 options.m_ForeColor = 0;
207                 options.m_BackColor = 0xffffff;
208         }
209         
210         options.m_AddFlags = flags >> 8;
211
212         options.m_pOCContext = FX_NEW CPDF_OCContext(pPage->m_pDocument);
213
214         //FXMT_CSLOCK_OBJ(&pPage->m_PageLock);
215         
216         CFX_AffineMatrix matrix;
217         pPage->GetDisplayMatrix(matrix, start_x, start_y, size_x, size_y, rotate); 
218         
219         FX_RECT clip;
220         clip.left = start_x;
221         clip.right = start_x + size_x;
222         clip.top = start_y;
223         clip.bottom = start_y + size_y;
224
225 #ifdef _SKIA_SUPPORT_
226         CFX_SkiaDevice* pDevice = FX_NEW CFX_SkiaDevice;
227 #else
228         CFX_FxgeDevice* pDevice = NULL;
229         pDevice = FX_NEW CFX_FxgeDevice;
230 #endif
231
232         if (!pDevice)
233                 return;
234         pDevice->Attach((CFX_DIBitmap*)bitmap);
235         pDevice->SaveState();
236         pDevice->SetClip_Rect(&clip);
237         
238
239         CPDF_RenderContext* pContext = NULL;
240         pContext = FX_NEW CPDF_RenderContext;
241         if (!pContext)
242         {
243                 delete pDevice;
244                 pDevice = NULL;
245                 return;
246         }
247
248
249 //      CPDF_Document* pDoc = pPage->m_pDocument;
250         CPDFDoc_Environment* pEnv = (CPDFDoc_Environment*)hHandle;
251         CPDFSDK_Document* pFXDoc = pEnv->GetCurrentDoc();
252         if(!pFXDoc)
253         {
254                 delete pContext;
255                 delete pDevice;
256                 pContext = NULL;
257                 pDevice = NULL;
258                 return;
259         }
260         if(CPDFSDK_PageView* pPageView = pFXDoc->GetPageView(pPage))
261         {
262                 pPageView->PageView_OnDraw(pDevice, &matrix, &options);
263         }
264         pDevice->RestoreState();
265
266         if(options.m_pOCContext)
267         {
268                 delete options.m_pOCContext;
269                 options.m_pOCContext = NULL;
270         }
271         if(pContext)
272         {
273                 delete pContext;
274                 pContext = NULL;
275         }
276         if(pDevice)
277         {
278                 delete pDevice;
279                 pDevice = NULL;
280         }
281
282 }
283
284 DLLEXPORT void STDCALL FPDF_SetFormFieldHighlightColor(FPDF_FORMHANDLE hHandle, int fieldType, unsigned long color)
285 {
286         if (!hHandle)
287                 return;
288 //      CPDFDoc_Environment* pEnv = (CPDFDoc_Environment* )hHandle;
289         CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
290         if(pSDKDoc)
291         {
292                 if(CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm())
293                 {
294                         pInterForm->SetHighlightColor(color, fieldType);
295                 }
296         
297         }
298
299 }
300
301 DLLEXPORT void STDCALL FPDF_SetFormFieldHighlightAlpha(FPDF_FORMHANDLE hHandle, unsigned char alpha)
302 {
303         if (!hHandle)
304                 return;
305         CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
306         if(pSDKDoc)
307         {
308                 if(CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm())
309                         pInterForm->SetHighlightAlpha(alpha);
310         }
311 }
312
313 DLLEXPORT void STDCALL FPDF_RemoveFormFieldHighlight(FPDF_FORMHANDLE hHandle)
314 {
315         if (!hHandle)
316                 return;
317         CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
318         if(pSDKDoc)
319         {
320                 if(CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm())
321                         pInterForm->RemoveAllHighLight();
322         }
323 }
324
325 DLLEXPORT void STDCALL FORM_OnAfterLoadPage(FPDF_PAGE page, FPDF_FORMHANDLE hHandle)
326 {
327         if(!hHandle || !page)
328                 return;
329         CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
330         if(!pSDKDoc)
331                 return;
332         CPDF_Page* pPage = (CPDF_Page*)page;
333         CPDFSDK_PageView* pPageView = pSDKDoc->GetPageView(pPage, TRUE);
334         if(pPageView)
335         {
336                 pPageView->SetValid(TRUE);
337         }       
338 }
339
340 DLLEXPORT void STDCALL FORM_OnBeforeClosePage(FPDF_PAGE page, FPDF_FORMHANDLE hHandle)
341 {
342         if(!hHandle || !page)
343                 return;
344         CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
345         CPDF_Page* pPage = (CPDF_Page*)page;
346         CPDFSDK_PageView* pPageView = pSDKDoc->GetPageView(pPage, FALSE);
347         if(pPageView)
348         {
349                 pPageView->SetValid(FALSE);
350                 // ReMovePageView() takes care of the delete for us.
351                 pSDKDoc->ReMovePageView(pPage);
352         }
353 }
354 DLLEXPORT void STDCALL FORM_DoDocumentJSAction(FPDF_FORMHANDLE hHandle)
355 {
356         if(!hHandle)
357                 return;
358         if( CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc())
359         {
360                 pSDKDoc->InitPageView();
361                 if(((CPDFDoc_Environment*)hHandle)->IsJSInitiated())
362                         pSDKDoc->ProcJavascriptFun();
363         }       
364 }
365
366 DLLEXPORT void STDCALL FORM_DoDocumentOpenAction(FPDF_FORMHANDLE hHandle)
367 {
368         if(!hHandle)
369                 return;
370         if( CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc())
371         {
372                 if(((CPDFDoc_Environment*)hHandle)->IsJSInitiated())
373                         pSDKDoc->ProcOpenAction();
374         }
375 }
376 DLLEXPORT void STDCALL FORM_DoDocumentAAction(FPDF_FORMHANDLE hHandle, int aaType)
377 {
378         if(!hHandle)
379                 return;
380         CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
381         if(pSDKDoc)
382         {
383                 CPDF_Document* pDoc = pSDKDoc->GetDocument();
384                 CPDF_Dictionary* pDic = pDoc->GetRoot();
385                 if (!pDic)
386                         return;
387                 CPDF_AAction aa = pDic->GetDict(FX_BSTRC("AA"));
388                 
389                 if(aa.ActionExist((CPDF_AAction::AActionType)aaType))
390                 {
391                         CPDF_Action action = aa.GetAction((CPDF_AAction::AActionType)aaType);
392                         CPDFSDK_ActionHandler *pActionHandler = ((CPDFDoc_Environment*)hHandle)->GetActionHander();
393                         ASSERT(pActionHandler != NULL);
394                         pActionHandler->DoAction_Document(action, (CPDF_AAction::AActionType)aaType, pSDKDoc);
395                 }
396         }
397 }
398 DLLEXPORT void STDCALL FORM_DoPageAAction(FPDF_PAGE page, FPDF_FORMHANDLE hHandle, int aaType)
399 {
400         if(!hHandle || !page)
401                 return;
402         CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
403         CPDF_Page* pPage = (CPDF_Page*)page;
404         CPDFSDK_PageView* pPageView = pSDKDoc->GetPageView(pPage, FALSE);
405         if(pPageView)
406         {
407                 CPDFDoc_Environment *pEnv = pSDKDoc->GetEnv();
408                 ASSERT(pEnv != NULL);
409                         
410                 CPDFSDK_ActionHandler *pActionHandler = pEnv->GetActionHander();
411                 ASSERT(pActionHandler != NULL);
412                 
413                 CPDF_Dictionary *pPageDict = pPage->m_pFormDict;
414                 ASSERT(pPageDict != NULL);
415                  
416                 CPDF_AAction aa = pPageDict->GetDict(FX_BSTRC("AA"));
417
418                 FX_BOOL bExistOAAction = FALSE;
419                 FX_BOOL bExistCAAction = FALSE;
420                 if (FPDFPAGE_AACTION_OPEN == aaType)
421                 {
422                         bExistOAAction = aa.ActionExist(CPDF_AAction::OpenPage);
423                         if (bExistOAAction)
424                         {
425                                 CPDF_Action action = aa.GetAction(CPDF_AAction::OpenPage);
426                                 pActionHandler->DoAction_Page(action, CPDF_AAction::OpenPage, pSDKDoc);
427                         }
428                 }
429                 else
430                 {
431                         bExistCAAction = aa.ActionExist(CPDF_AAction::ClosePage);
432                         if (bExistCAAction)
433                         {
434                                 CPDF_Action action = aa.GetAction(CPDF_AAction::ClosePage);
435                                 pActionHandler->DoAction_Page(action, CPDF_AAction::ClosePage, pSDKDoc);
436                         }
437                 }
438         }
439 }
440
441