// 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);
  ~CFFL_TextField() override;

  // CFFL_FormFiller:
  PWL_CREATEPARAM GetCreateParam() override;
  CPWL_Wnd* NewPDFWindow(const PWL_CREATEPARAM& cp,
                         CPDFSDK_PageView* pPageView) override;
  FX_BOOL OnChar(CPDFSDK_Annot* pAnnot, FX_UINT nChar, FX_UINT nFlags) override;
  FX_BOOL IsDataChanged(CPDFSDK_PageView* pPageView) override;
  void SaveData(CPDFSDK_PageView* pPageView) override;
  void GetActionData(CPDFSDK_PageView* pPageView,
                     CPDF_AAction::AActionType type,
                     PDFSDK_FieldAction& fa) override;
  void SetActionData(CPDFSDK_PageView* pPageView,
                     CPDF_AAction::AActionType type,
                     const PDFSDK_FieldAction& fa) override;
  FX_BOOL IsActionDataChanged(CPDF_AAction::AActionType type,
                              const PDFSDK_FieldAction& faOld,
                              const PDFSDK_FieldAction& faNew) override;
  void SaveState(CPDFSDK_PageView* pPageView) override;
  void RestoreState(CPDFSDK_PageView* pPageView) override;
  CPWL_Wnd* ResetPDFWindow(CPDFSDK_PageView* pPageView,
                           FX_BOOL bRestoreValue) override;

  // IPWL_FocusHandler:
  void OnSetFocus(CPWL_Wnd* pWnd) override;
  void OnKillFocus(CPWL_Wnd* pWnd) override;

  // IPWL_Edit_Notify:
  void OnAddUndo(CPWL_Edit* pEdit) override;

 private:
  CBA_FontMap* m_pFontMap;
  FFL_TextFieldState m_State;
};

#endif  // FPDFSDK_INCLUDE_FORMFILLER_FFL_TEXTFIELD_H_