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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_IPDFSDK_ANNOTHANDLER_H_
#define FPDFSDK_IPDFSDK_ANNOTHANDLER_H_
#include "core/fxcrt/fx_basic.h"
#include "core/fxcrt/fx_coordinates.h"
#include "fpdfsdk/cpdfsdk_annot.h"
class CFX_Matrix;
class CFX_RenderDevice;
class CPDF_Annot;
class CPDFSDK_PageView;
#ifdef PDF_ENABLE_XFA
class CXFA_FFWidget;
#endif // PDF_ENABLE_XFA
class IPDFSDK_AnnotHandler {
public:
virtual ~IPDFSDK_AnnotHandler() {}
virtual bool CanAnswer(CPDFSDK_Annot* pAnnot) = 0;
virtual CPDFSDK_Annot* NewAnnot(CPDF_Annot* pAnnot,
CPDFSDK_PageView* pPage) = 0;
#ifdef PDF_ENABLE_XFA
virtual CPDFSDK_Annot* NewAnnot(CXFA_FFWidget* hWidget,
CPDFSDK_PageView* pPage) = 0;
#endif // PDF_ENABLE_XFA
virtual void ReleaseAnnot(CPDFSDK_Annot* pAnnot) = 0;
virtual CFX_FloatRect GetViewBBox(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot) = 0;
virtual bool HitTest(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
const CFX_FloatPoint& point) = 0;
virtual void OnDraw(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
CFX_RenderDevice* pDevice,
CFX_Matrix* pUser2Device,
bool bDrawAnnots) = 0;
virtual void OnLoad(CPDFSDK_Annot* pAnnot) = 0;
virtual void OnMouseEnter(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlag) = 0;
virtual void OnMouseExit(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlag) = 0;
virtual bool OnLButtonDown(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) = 0;
virtual bool OnLButtonUp(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) = 0;
virtual bool OnLButtonDblClk(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) = 0;
virtual bool OnMouseMove(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) = 0;
virtual bool OnMouseWheel(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
short zDelta,
const CFX_FloatPoint& point) = 0;
virtual bool OnRButtonDown(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) = 0;
virtual bool OnRButtonUp(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) = 0;
virtual bool OnRButtonDblClk(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlags,
const CFX_FloatPoint& point) = 0;
virtual bool OnChar(CPDFSDK_Annot* pAnnot,
uint32_t nChar,
uint32_t nFlags) = 0;
virtual bool OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) = 0;
virtual bool OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) = 0;
virtual bool OnSetFocus(CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlag) = 0;
virtual bool OnKillFocus(CPDFSDK_Annot::ObservedPtr* pAnnot,
uint32_t nFlag) = 0;
#ifdef PDF_ENABLE_XFA
virtual bool OnXFAChangedFocus(CPDFSDK_Annot::ObservedPtr* pOldAnnot,
CPDFSDK_Annot::ObservedPtr* pNewAnnot) = 0;
#endif // PDF_ENABLE_XFA
};
#endif // FPDFSDK_IPDFSDK_ANNOTHANDLER_H_