xfa/include/fxfa/fxfa_widget.h

// 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

#ifndef _FXFA_WIDGET_H
#define _FXFA_WIDGET_H
class CXFA_Node;
class CXFA_FFDocView;
class CXFA_FFDoc;
class CXFA_FFApp;
class CXFA_Node;
class CXFA_EventParam;
class CXFA_FFWidget;
class CXFA_TextLayout;
class CXFA_TextProvider;
class CXFA_WidgetLayoutData;
class IFX_Font;
class CXFA_WidgetAcc;
#include "fxfa_objectacc.h"
class CXFA_WidgetAcc : public CXFA_WidgetData {
 public:
  CXFA_WidgetAcc(CXFA_FFDocView* pDocView, CXFA_Node* pNode);
  ~CXFA_WidgetAcc();

  FX_BOOL GetName(CFX_WideString& wsName, int32_t iNameType = 0);
  FX_BOOL ProcessValueChanged();

 public:
  void ResetData();

  void SetImageEdit(const CFX_WideStringC& wsContentType,
                    const CFX_WideStringC& wsHref,
                    const CFX_WideStringC& wsData);

  CXFA_WidgetAcc* GetExclGroup();
  CXFA_FFDocView* GetDocView();
  CXFA_FFDoc* GetDoc();
  CXFA_FFApp* GetApp();
  IXFA_AppProvider* GetAppProvider();

  int32_t ProcessEvent(int32_t iActivity, CXFA_EventParam* pEventParam);
  int32_t ProcessEvent(CXFA_Event& event, CXFA_EventParam* pEventParam);
  int32_t ProcessCalculate();
  int32_t ProcessValidate(int32_t iFlags = 0);
  int32_t ExecuteScript(CXFA_Script script,
                        CXFA_EventParam* pEventParam,
                        FXJSE_HVALUE* pRetValue = NULL);

  CXFA_FFWidget* GetNextWidget(CXFA_FFWidget* pWidget);
  void StartWidgetLayout(FX_FLOAT& fCalcWidth, FX_FLOAT& fCalcHeight);
  FX_BOOL FindSplitPos(int32_t iBlockIndex, FX_FLOAT& fCalcHeight);
  FX_BOOL LoadCaption();
  void LoadText();
  FX_BOOL LoadImageImage();
  FX_BOOL LoadImageEditImage();
  void GetImageDpi(int32_t& iImageXDpi, int32_t& iImageYDpi);
  void GetImageEditDpi(int32_t& iImageXDpi, int32_t& iImageYDpi);
  CXFA_TextLayout* GetCaptionTextLayout();
  CXFA_TextLayout* GetTextLayout();
  CFX_DIBitmap* GetImageImage();
  CFX_DIBitmap* GetImageEditImage();
  void SetImageImage(CFX_DIBitmap* newImage);
  void SetImageEditImage(CFX_DIBitmap* newImage);
  void UpdateUIDisplay(CXFA_FFWidget* pExcept = NULL);
  void NotifyEvent(FX_DWORD dwEvent,
                   CXFA_FFWidget* pWidget = NULL,
                   void* pParam = NULL,
                   void* pAdditional = NULL);

  CXFA_Node* GetDatasets();
  IFX_Font* GetFDEFont();
  FX_FLOAT GetFontSize();
  FX_ARGB GetTextColor();
  FX_FLOAT GetLineHeight();
  CXFA_WidgetLayoutData* GetWidgetLayoutData();

 protected:
  void ProcessScriptTestValidate(CXFA_Validate validate,
                                 int32_t iRet,
                                 FXJSE_HVALUE pRetValue,
                                 FX_BOOL bVersionFlag);
  int32_t ProcessFormatTestValidate(CXFA_Validate validate,
                                    FX_BOOL bVersionFlag);
  int32_t ProcessNullTestValidate(CXFA_Validate validate,
                                  int32_t iFlags,
                                  FX_BOOL bVersionFlag);
  void GetValidateCaptionName(CFX_WideString& wsCaptionName,
                              FX_BOOL bVersionFlag);
  void GetValidateMessage(IXFA_AppProvider* pAppProvider,
                          CFX_WideString& wsMessage,
                          FX_BOOL bError,
                          FX_BOOL bVersionFlag);
  void CalcCaptionSize(CFX_SizeF& szCap);
  FX_BOOL CalculateFieldAutoSize(CFX_SizeF& size);
  FX_BOOL CalculateWidgetAutoSize(CFX_SizeF& size);
  FX_BOOL CalculateTextEditAutoSize(CFX_SizeF& size);
  FX_BOOL CalculateCheckButtonAutoSize(CFX_SizeF& size);
  FX_BOOL CalculatePushButtonAutoSize(CFX_SizeF& size);
  FX_BOOL CalculateImageEditAutoSize(CFX_SizeF& size);
  FX_BOOL CalculateImageAutoSize(CFX_SizeF& size);
  FX_BOOL CalculateTextAutoSize(CFX_SizeF& size);
  FX_FLOAT CalculateWidgetAutoHeight(FX_FLOAT fHeightCalc);
  FX_FLOAT CalculateWidgetAutoWidth(FX_FLOAT fWidthCalc);
  FX_FLOAT GetWidthWithoutMargin(FX_FLOAT fWidthCalc);
  FX_FLOAT GetHeightWithoutMargin(FX_FLOAT fHeightCalc);
  void CalculateTextContentSize(CFX_SizeF& size);
  void CalculateAccWidthAndHeight(XFA_ELEMENT eUIType,
                                  FX_FLOAT& fWidth,
                                  FX_FLOAT& fCalcHeight);
  void InitLayoutData();
  void StartTextLayout(FX_FLOAT& fCalcWidth, FX_FLOAT& fCalcHeight);
  CXFA_FFDocView* m_pDocView;
  CXFA_WidgetLayoutData* m_pLayoutData;
  uint32_t m_nRecursionDepth;
};
#endif