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// Copyright 2016 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_CPDFSDK_WIDGET_H_
#define FPDFSDK_INCLUDE_CPDFSDK_WIDGET_H_
#include <set>
#include "core/fpdfdoc/include/cpdf_aaction.h"
#include "core/fpdfdoc/include/cpdf_action.h"
#include "core/fpdfdoc/include/cpdf_annot.h"
#include "core/fxcrt/include/fx_coordinates.h"
#include "core/fxcrt/include/fx_string.h"
#include "fpdfsdk/include/cpdfsdk_baannot.h"
#include "fpdfsdk/include/pdfsdk_fieldaction.h"
#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
class CFX_RenderDevice;
class CPDF_Annot;
class CPDF_Dictionary;
class CPDF_FormControl;
class CPDF_FormField;
class CPDF_RenderOptions;
class CPDF_Stream;
class CPDFSDK_InterForm;
class CPDFSDK_PageView;
#ifdef PDF_ENABLE_XFA
class CXFA_FFWidget;
class CXFA_FFWidgetHandler;
#endif // PDF_ENABLE_XFA
class CPDFSDK_Widget : public CPDFSDK_BAAnnot {
public:
class Observer {
public:
explicit Observer(CPDFSDK_Widget** pWatchedPtr);
~Observer();
void OnWidgetDestroyed();
private:
CPDFSDK_Widget** m_pWatchedPtr;
};
#ifdef PDF_ENABLE_XFA
CXFA_FFWidget* GetMixXFAWidget() const;
CXFA_FFWidget* GetGroupMixXFAWidget();
CXFA_FFWidgetHandler* GetXFAWidgetHandler() const;
FX_BOOL HasXFAAAction(PDFSDK_XFAAActionType eXFAAAT);
FX_BOOL OnXFAAAction(PDFSDK_XFAAActionType eXFAAAT,
PDFSDK_FieldAction& data,
CPDFSDK_PageView* pPageView);
void Synchronize(FX_BOOL bSynchronizeElse);
void SynchronizeXFAValue();
void SynchronizeXFAItems();
static void SynchronizeXFAValue(CXFA_FFDocView* pXFADocView,
CXFA_FFWidget* hWidget,
CPDF_FormField* pFormField,
CPDF_FormControl* pFormControl);
static void SynchronizeXFAItems(CXFA_FFDocView* pXFADocView,
CXFA_FFWidget* hWidget,
CPDF_FormField* pFormField,
CPDF_FormControl* pFormControl);
#endif // PDF_ENABLE_XFA
CPDFSDK_Widget(CPDF_Annot* pAnnot,
CPDFSDK_PageView* pPageView,
CPDFSDK_InterForm* pInterForm);
~CPDFSDK_Widget() override;
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
CFX_ByteString GetSubType() const override;
CPDF_Action GetAAction(CPDF_AAction::AActionType eAAT) override;
FX_BOOL IsAppearanceValid() override;
int GetLayoutOrder() const override;
int GetFieldType() const;
int GetFieldFlags() const;
int GetRotate() const;
FX_BOOL GetFillColor(FX_COLORREF& color) const;
FX_BOOL GetBorderColor(FX_COLORREF& color) const;
FX_BOOL GetTextColor(FX_COLORREF& color) const;
FX_FLOAT GetFontSize() const;
int GetSelectedIndex(int nIndex) const;
#ifndef PDF_ENABLE_XFA
CFX_WideString GetValue() const;
#else
CFX_WideString GetValue(FX_BOOL bDisplay = TRUE) const;
#endif // PDF_ENABLE_XFA
CFX_WideString GetDefaultValue() const;
CFX_WideString GetOptionLabel(int nIndex) const;
int CountOptions() const;
FX_BOOL IsOptionSelected(int nIndex) const;
int GetTopVisibleIndex() const;
bool IsChecked() const;
int GetAlignment() const;
int GetMaxLen() const;
#ifdef PDF_ENABLE_XFA
CFX_WideString GetName() const;
#endif // PDF_ENABLE_XFA
CFX_WideString GetAlternateName() const;
void SetCheck(bool bChecked, bool bNotify);
void SetValue(const CFX_WideString& sValue, FX_BOOL bNotify);
void SetDefaultValue(const CFX_WideString& sValue);
void SetOptionSelection(int index, FX_BOOL bSelected, FX_BOOL bNotify);
void ClearSelection(FX_BOOL bNotify);
void SetTopVisibleIndex(int index);
#ifdef PDF_ENABLE_XFA
void ResetAppearance(FX_BOOL bValueChanged);
#endif // PDF_ENABLE_XFA
void ResetAppearance(const FX_WCHAR* sValue, FX_BOOL bValueChanged);
void ResetFieldAppearance(FX_BOOL bValueChanged);
void UpdateField();
CFX_WideString OnFormat(FX_BOOL& bFormated);
FX_BOOL OnAAction(CPDF_AAction::AActionType type,
PDFSDK_FieldAction& data,
CPDFSDK_PageView* pPageView);
CPDFSDK_InterForm* GetInterForm() const { return m_pInterForm; }
CPDF_FormField* GetFormField() const;
CPDF_FormControl* GetFormControl() const;
static CPDF_FormControl* GetFormControl(CPDF_InterForm* pInterForm,
const CPDF_Dictionary* pAnnotDict);
void DrawShadow(CFX_RenderDevice* pDevice, CPDFSDK_PageView* pPageView);
void SetAppModified();
void ClearAppModified();
FX_BOOL IsAppModified() const;
int32_t GetAppearanceAge() const;
int32_t GetValueAge() const;
FX_BOOL IsWidgetAppearanceValid(CPDF_Annot::AppearanceMode mode);
void DrawAppearance(CFX_RenderDevice* pDevice,
const CFX_Matrix* pUser2Device,
CPDF_Annot::AppearanceMode mode,
const CPDF_RenderOptions* pOptions) override;
FX_BOOL HitTest(FX_FLOAT pageX, FX_FLOAT pageY);
private:
void ResetAppearance_PushButton();
void ResetAppearance_CheckBox();
void ResetAppearance_RadioButton();
void ResetAppearance_ComboBox(const FX_WCHAR* sValue);
void ResetAppearance_ListBox();
void ResetAppearance_TextField(const FX_WCHAR* sValue);
CFX_FloatRect GetClientRect() const;
CFX_FloatRect GetRotatedRect() const;
CFX_ByteString GetBackgroundAppStream() const;
CFX_ByteString GetBorderAppStream() const;
CFX_Matrix GetMatrix() const;
CPWL_Color GetTextPWLColor() const;
CPWL_Color GetBorderPWLColor() const;
CPWL_Color GetFillPWLColor() const;
void AddImageToAppearance(const CFX_ByteString& sAPType, CPDF_Stream* pImage);
void RemoveAppearance(const CFX_ByteString& sAPType);
CPDFSDK_InterForm* const m_pInterForm;
FX_BOOL m_bAppModified;
int32_t m_nAppAge;
int32_t m_nValueAge;
std::set<Observer*> m_Observers;
#ifdef PDF_ENABLE_XFA
mutable CXFA_FFWidget* m_hMixXFAWidget;
mutable CXFA_FFWidgetHandler* m_pWidgetHandler;
#endif // PDF_ENABLE_XFA
};
#endif // FPDFSDK_INCLUDE_CPDFSDK_WIDGET_H_
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