From 5110c4743751145c4ae1934cd1d83bc6c55bb43f Mon Sep 17 00:00:00 2001
From: John Abd-El-Malek <jabdelmalek@google.com>
Date: Sat, 17 May 2014 22:33:34 -0700
Subject: Initial commit.

---
 fpdfsdk/src/fpdfformfill.cpp | 441 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 441 insertions(+)
 create mode 100644 fpdfsdk/src/fpdfformfill.cpp

(limited to 'fpdfsdk/src/fpdfformfill.cpp')

diff --git a/fpdfsdk/src/fpdfformfill.cpp b/fpdfsdk/src/fpdfformfill.cpp
new file mode 100644
index 0000000000..101146b099
--- /dev/null
+++ b/fpdfsdk/src/fpdfformfill.cpp
@@ -0,0 +1,441 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+ 
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../include/fpdfview.h"
+#include "../include/fpdfformfill.h"
+#include "../include/fsdk_define.h"
+#include "../include/fsdk_mgr.h"
+
+
+#include "../include/javascript/IJavaScript.h"
+
+
+DLLEXPORT int STDCALL FPDPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle, FPDF_PAGE page,double page_x, double page_y)
+{
+	if(!page || !hHandle)
+		return -1;
+	CPDF_Page * pPage = (CPDF_Page*) page;
+
+	CPDF_InterForm * pInterForm = NULL;
+	pInterForm = new CPDF_InterForm(pPage->m_pDocument,FALSE);
+	if (!pInterForm)
+		return -1;
+	CPDF_FormControl* pFormCtrl = pInterForm->GetControlAtPoint(pPage, (FX_FLOAT)page_x, (FX_FLOAT)page_y);
+	if(!pFormCtrl)
+	{
+		delete pInterForm;
+		return -1;
+	}
+	CPDF_FormField* pFormField = pFormCtrl->GetField();
+	if(!pFormField)
+	{
+		delete pInterForm;
+		return -1;
+	}
+	
+	int nType = pFormField->GetFieldType();
+	delete pInterForm;
+	return nType;
+}
+
+DLLEXPORT FPDF_FORMHANDLE STDCALL FPDFDOC_InitFormFillEnviroument(FPDF_DOCUMENT document, FPDF_FORMFILLINFO* formInfo)
+{
+	if(!document || !formInfo || formInfo->version!=1)
+		return NULL;
+	CPDF_Document * pDocument = (CPDF_Document*) document;
+ 	CPDFDoc_Environment * pEnv = NULL;
+	pEnv = new CPDFDoc_Environment(pDocument);
+	if (!pEnv)
+		return NULL;
+	pEnv->RegAppHandle(formInfo);
+
+	if(pEnv->GetPDFDocument())
+	{
+		CPDFSDK_Document* pSDKDoc = new CPDFSDK_Document(pEnv->GetPDFDocument(), pEnv);
+		if(pSDKDoc)
+			pEnv->SetCurrentDoc(pSDKDoc);
+	}
+	return pEnv;
+}
+
+DLLEXPORT void STDCALL FPDFDOC_ExitFormFillEnviroument(FPDF_FORMHANDLE hHandle)
+{
+	if(!hHandle)
+		return; 
+	CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(pSDKDoc)
+	{
+		((CPDFDoc_Environment*)hHandle)->SetCurrentDoc(NULL);
+		delete pSDKDoc;
+	}
+	delete (CPDFDoc_Environment*)hHandle;
+	hHandle = NULL;
+}
+
+DLLEXPORT FPDF_BOOL STDCALL FORM_OnMouseMove(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int modifier, double page_x, double page_y)
+{	
+	if (!hHandle || !page)
+		return FALSE;
+// 	CPDF_Page * pPage = (CPDF_Page*) page;
+// 	CPDF_Document * pDoc = pPage->m_pDocument;
+//	CPDFDoc_Environment* pEnv = (CPDFDoc_Environment*)hHandle;
+	CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(!pFXDoc)
+		return FALSE;
+	CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page);
+	if(!pPageView)
+		return FALSE;
+	
+// 	double page_x = 0;
+// 	double page_y = 0;
+//	pEnv->FFI_DeviceToPage(page, point_x, point_y, &page_x, &page_y);
+	CPDF_Point pt((FX_FLOAT)page_x, (FX_FLOAT)page_y);
+	return pPageView->OnMouseMove(pt, modifier);
+}
+
+DLLEXPORT FPDF_BOOL STDCALL FORM_OnLButtonDown(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int modifier, double page_x, double page_y)
+{
+	if (!hHandle || !page)
+		return FALSE;
+	CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(!pFXDoc)
+		return FALSE;
+	CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page);
+	if(!pPageView)
+		return FALSE;
+// 	double page_x = 0;
+// 	double page_y = 0;
+// 	pEnv->FFI_DeviceToPage(page, point_x, point_y, &page_x, &page_y);
+	CPDF_Point pt((FX_FLOAT)page_x, (FX_FLOAT)page_y);
+ 	return pPageView->OnLButtonDown(pt, modifier);
+}
+
+DLLEXPORT FPDF_BOOL STDCALL FORM_OnLButtonUp(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int modifier, double page_x, double page_y)
+{
+	if (!hHandle || !page)
+		return FALSE;
+	CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(!pFXDoc)
+		return FALSE;
+	CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page);
+	if(!pPageView)
+		return FALSE;
+// 	double page_x = 0;
+// 	double page_y = 0;
+// 	pEnv->FFI_DeviceToPage(page, point_x, point_y, &page_x, &page_y);
+	CPDF_Point pt((FX_FLOAT)page_x, (FX_FLOAT)page_y);
+	return pPageView->OnLButtonUp(pt, modifier);
+}
+
+DLLEXPORT FPDF_BOOL STDCALL FORM_OnKeyDown(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int nKeyCode, int modifier)
+{
+	if (!hHandle || !page)
+		return FALSE;
+	CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(!pFXDoc)
+		return FALSE;
+	CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page);
+	if(!pPageView)
+		return FALSE;
+	
+	
+	return pPageView->OnKeyDown(nKeyCode, modifier);
+}
+
+DLLEXPORT FPDF_BOOL STDCALL FORM_OnKeyUp(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int nKeyCode, int modifier)
+{
+	if (!hHandle || !page)
+		return FALSE;
+	CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(!pFXDoc)
+		return FALSE;
+	CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page);
+	if(!pPageView)
+		return FALSE;
+	
+	
+	return pPageView->OnKeyUp(nKeyCode, modifier);
+}
+
+
+DLLEXPORT FPDF_BOOL STDCALL FORM_OnChar(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int nChar,  int modifier)
+{
+	if (!hHandle || !page)
+		return FALSE;
+	CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(!pFXDoc)
+		return FALSE;
+	CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page);
+	if(!pPageView)
+		return FALSE;
+	return pPageView->OnChar(nChar, modifier);
+
+}
+
+DLLEXPORT FPDF_BOOL STDCALL FORM_ForceToKillFocus(FPDF_FORMHANDLE hHandle)
+{
+	if(!hHandle)
+		return FALSE;
+	CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(!pSDKDoc)
+		return FALSE;
+	//Kill the current focus. 
+	return pSDKDoc->KillFocusAnnot(0);
+}
+
+DLLEXPORT void STDCALL FPDF_FFLDraw(FPDF_FORMHANDLE hHandle, FPDF_BITMAP bitmap, FPDF_PAGE page, int start_x, int start_y, 
+												  int size_x, int size_y, int rotate, int flags)
+{
+	if (!hHandle || !page)
+		return ;
+	CPDF_Page* pPage = (CPDF_Page*)page;
+	
+	CPDF_RenderOptions options;
+	if (flags & FPDF_LCD_TEXT)
+		options.m_Flags |= RENDER_CLEARTYPE;
+	else
+		options.m_Flags &= ~RENDER_CLEARTYPE;
+	
+	//Grayscale output
+	if (flags & FPDF_GRAYSCALE)
+	{
+		options.m_ColorMode = RENDER_COLOR_GRAY;
+		options.m_ForeColor = 0;
+		options.m_BackColor = 0xffffff;
+	}
+	
+	options.m_AddFlags = flags >> 8;
+
+	options.m_pOCContext = FX_NEW CPDF_OCContext(pPage->m_pDocument);
+
+	//FXMT_CSLOCK_OBJ(&pPage->m_PageLock);
+	
+	CFX_AffineMatrix matrix;
+	pPage->GetDisplayMatrix(matrix, start_x, start_y, size_x, size_y, rotate); 
+	
+	FX_RECT clip;
+	clip.left = start_x;
+	clip.right = start_x + size_x;
+	clip.top = start_y;
+	clip.bottom = start_y + size_y;
+
+#ifdef _SKIA_SUPPORT_
+	CFX_SkiaDevice* pDevice = FX_NEW CFX_SkiaDevice;
+#else
+	CFX_FxgeDevice* pDevice = NULL;
+	pDevice = FX_NEW CFX_FxgeDevice;
+#endif
+
+	if (!pDevice)
+		return;
+	pDevice->Attach((CFX_DIBitmap*)bitmap);
+	pDevice->SaveState();
+	pDevice->SetClip_Rect(&clip);
+	
+
+	CPDF_RenderContext* pContext = NULL;
+	pContext = FX_NEW CPDF_RenderContext;
+	if (!pContext)
+	{
+		delete pDevice;
+		pDevice = NULL;
+		return;
+	}
+
+
+//	CPDF_Document* pDoc = pPage->m_pDocument;
+	CPDFDoc_Environment* pEnv = (CPDFDoc_Environment*)hHandle;
+	CPDFSDK_Document* pFXDoc = pEnv->GetCurrentDoc();
+	if(!pFXDoc)
+	{
+		delete pContext;
+		delete pDevice;
+		pContext = NULL;
+		pDevice = NULL;
+		return;
+	}
+	if(CPDFSDK_PageView* pPageView = pFXDoc->GetPageView(pPage))
+	{
+		pPageView->PageView_OnDraw(pDevice, &matrix, &options);
+	}
+	pDevice->RestoreState();
+
+	if(options.m_pOCContext)
+	{
+		delete options.m_pOCContext;
+		options.m_pOCContext = NULL;
+	}
+	if(pContext)
+	{
+		delete pContext;
+		pContext = NULL;
+	}
+	if(pDevice)
+	{
+		delete pDevice;
+		pDevice = NULL;
+	}
+
+}
+
+DLLEXPORT void STDCALL FPDF_SetFormFieldHighlightColor(FPDF_FORMHANDLE hHandle, int fieldType, unsigned long color)
+{
+	if (!hHandle)
+		return;
+//	CPDFDoc_Environment* pEnv = (CPDFDoc_Environment* )hHandle;
+	CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(pSDKDoc)
+	{
+		if(CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm())
+		{
+			pInterForm->SetHighlightColor(color, fieldType);
+		}
+	
+	}
+
+}
+
+DLLEXPORT void STDCALL FPDF_SetFormFieldHighlightAlpha(FPDF_FORMHANDLE hHandle, unsigned char alpha)
+{
+	if (!hHandle)
+		return;
+	CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(pSDKDoc)
+	{
+		if(CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm())
+			pInterForm->SetHighlightAlpha(alpha);
+	}
+}
+
+DLLEXPORT void STDCALL FPDF_RemoveFormFieldHighlight(FPDF_FORMHANDLE hHandle)
+{
+	if (!hHandle)
+		return;
+	CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(pSDKDoc)
+	{
+		if(CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm())
+			pInterForm->RemoveAllHighLight();
+	}
+}
+
+DLLEXPORT void STDCALL FORM_OnAfterLoadPage(FPDF_PAGE page, FPDF_FORMHANDLE hHandle)
+{
+	if(!hHandle || !page)
+		return;
+	CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(!pSDKDoc)
+		return;
+	CPDF_Page* pPage = (CPDF_Page*)page;
+	CPDFSDK_PageView* pPageView = pSDKDoc->GetPageView(pPage, TRUE);
+	if(pPageView)
+	{
+		pPageView->SetValid(TRUE);
+	}	
+}
+
+DLLEXPORT void STDCALL FORM_OnBeforeClosePage(FPDF_PAGE page, FPDF_FORMHANDLE hHandle)
+{
+	if(!hHandle || !page)
+		return;
+	CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	CPDF_Page* pPage = (CPDF_Page*)page;
+	CPDFSDK_PageView* pPageView = pSDKDoc->GetPageView(pPage, FALSE);
+	if(pPageView)
+	{
+		pPageView->SetValid(FALSE);
+		// ReMovePageView() takes care of the delete for us.
+		pSDKDoc->ReMovePageView(pPage);
+	}
+}
+DLLEXPORT void STDCALL FORM_DoDocumentJSAction(FPDF_FORMHANDLE hHandle)
+{
+	if(!hHandle)
+		return;
+	if( CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc())
+	{
+		pSDKDoc->InitPageView();
+		if(((CPDFDoc_Environment*)hHandle)->IsJSInitiated())
+			pSDKDoc->ProcJavascriptFun();
+	}	
+}
+
+DLLEXPORT void STDCALL FORM_DoDocumentOpenAction(FPDF_FORMHANDLE hHandle)
+{
+	if(!hHandle)
+		return;
+	if( CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc())
+	{
+		if(((CPDFDoc_Environment*)hHandle)->IsJSInitiated())
+			pSDKDoc->ProcOpenAction();
+	}
+}
+DLLEXPORT void STDCALL FORM_DoDocumentAAction(FPDF_FORMHANDLE hHandle, int aaType)
+{
+	if(!hHandle)
+		return;
+	CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	if(pSDKDoc)
+	{
+		CPDF_Document* pDoc = pSDKDoc->GetDocument();
+		CPDF_Dictionary* pDic = pDoc->GetRoot();
+		if (!pDic)
+			return;
+		CPDF_AAction aa = pDic->GetDict(FX_BSTRC("AA"));
+		
+		if(aa.ActionExist((CPDF_AAction::AActionType)aaType))
+		{
+			CPDF_Action action = aa.GetAction((CPDF_AAction::AActionType)aaType);
+			CPDFSDK_ActionHandler *pActionHandler = ((CPDFDoc_Environment*)hHandle)->GetActionHander();
+			ASSERT(pActionHandler != NULL);
+			pActionHandler->DoAction_Document(action, (CPDF_AAction::AActionType)aaType, pSDKDoc);
+		}
+	}
+}
+DLLEXPORT void STDCALL FORM_DoPageAAction(FPDF_PAGE page, FPDF_FORMHANDLE hHandle, int aaType)
+{
+	if(!hHandle || !page)
+		return;
+	CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc();
+	CPDF_Page* pPage = (CPDF_Page*)page;
+	CPDFSDK_PageView* pPageView = pSDKDoc->GetPageView(pPage, FALSE);
+	if(pPageView)
+	{
+		CPDFDoc_Environment *pEnv = pSDKDoc->GetEnv();
+		ASSERT(pEnv != NULL);
+			
+		CPDFSDK_ActionHandler *pActionHandler = pEnv->GetActionHander();
+		ASSERT(pActionHandler != NULL);
+		
+		CPDF_Dictionary *pPageDict = pPage->m_pFormDict;
+		ASSERT(pPageDict != NULL);
+		 
+		CPDF_AAction aa = pPageDict->GetDict(FX_BSTRC("AA"));
+
+		FX_BOOL bExistOAAction = FALSE;
+		FX_BOOL bExistCAAction = FALSE;
+		if (FPDFPAGE_AACTION_OPEN == aaType)
+		{
+			bExistOAAction = aa.ActionExist(CPDF_AAction::OpenPage);
+			if (bExistOAAction)
+			{
+				CPDF_Action action = aa.GetAction(CPDF_AAction::OpenPage);
+				pActionHandler->DoAction_Page(action, CPDF_AAction::OpenPage, pSDKDoc);
+			}
+		}
+		else
+		{
+			bExistCAAction = aa.ActionExist(CPDF_AAction::ClosePage);
+			if (bExistCAAction)
+			{
+				CPDF_Action action = aa.GetAction(CPDF_AAction::ClosePage);
+				pActionHandler->DoAction_Page(action, CPDF_AAction::ClosePage, pSDKDoc);
+			}
+		}
+	}
+}
+
+
-- 
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