// 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 FPDFSDK_INCLUDE_FORMFILLER_FFL_TEXTFIELD_H_
#define FPDFSDK_INCLUDE_FORMFILLER_FFL_TEXTFIELD_H_

#include "FFL_FormFiller.h"

#define BF_ALIGN_LEFT 0
#define BF_ALIGN_MIDDLE 1
#define BF_ALIGN_RIGHT 2

class CBA_FontMap;

struct FFL_TextFieldState {
  int nStart;
  int nEnd;
  CFX_WideString sValue;
};

class CFFL_TextField : public CFFL_FormFiller,
                       public IPWL_FocusHandler,
                       public IPWL_Edit_Notify {
 public:
  CFFL_TextField(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pAnnot);
  virtual ~CFFL_TextField();

  virtual PWL_CREATEPARAM GetCreateParam();
  virtual CPWL_Wnd* NewPDFWindow(const PWL_CREATEPARAM& cp,
                                 CPDFSDK_PageView* pPageView);

  virtual FX_BOOL OnChar(CPDFSDK_Annot* pAnnot, FX_UINT nChar, FX_UINT nFlags);

  virtual FX_BOOL IsDataChanged(CPDFSDK_PageView* pPageView);
  virtual void SaveData(CPDFSDK_PageView* pPageView);

  virtual void GetActionData(CPDFSDK_PageView* pPageView,
                             CPDF_AAction::AActionType type,
                             PDFSDK_FieldAction& fa);
  virtual void SetActionData(CPDFSDK_PageView* pPageView,
                             CPDF_AAction::AActionType type,
                             const PDFSDK_FieldAction& fa);
  virtual FX_BOOL IsActionDataChanged(CPDF_AAction::AActionType type,
                                      const PDFSDK_FieldAction& faOld,
                                      const PDFSDK_FieldAction& faNew);
  virtual void SaveState(CPDFSDK_PageView* pPageView);
  virtual void RestoreState(CPDFSDK_PageView* pPageView);

  virtual CPWL_Wnd* ResetPDFWindow(CPDFSDK_PageView* pPageView,
                                   FX_BOOL bRestoreValue);

 public:
  virtual void OnSetFocus(CPWL_Wnd* pWnd);
  virtual void OnKillFocus(CPWL_Wnd* pWnd);

 public:
  virtual void OnAddUndo(CPWL_Edit* pEdit);

 public:
  virtual FX_BOOL CanCopy(CPDFSDK_Document* pDocument);
  virtual FX_BOOL CanCut(CPDFSDK_Document* pDocument);
  virtual FX_BOOL CanPaste(CPDFSDK_Document* pDocument);

 private:
  CBA_FontMap* m_pFontMap;
  FFL_TextFieldState m_State;
};

#endif  // FPDFSDK_INCLUDE_FORMFILLER_FFL_TEXTFIELD_H_