Split fpdfsdk/fsdk_annothandler.h into individual classes.

fpdfsdk/include/ipdfsdk_annothandler.h

+// 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_IPDFSDK_ANNOTHANDLER_H_
+#define FPDFSDK_INCLUDE_IPDFSDK_ANNOTHANDLER_H_
+
+#include "core/fxcrt/include/fx_basic.h"
+#include "core/fxcrt/include/fx_coordinates.h"
+
+#ifdef PDF_ENABLE_XFA
+#define FSDK_XFAWIDGET_TYPENAME "XFAWidget"
+#endif  // PDF_ENABLE_XFA
+
+class CFX_Matrix;
+class CFX_RenderDevice;
+class CPDF_Annot;
+class CPDFSDK_Annot;
+class CPDFSDK_PageView;
+
+#ifdef PDF_ENABLE_XFA
+class CXFA_FFWidget;
+#endif  // PDF_ENABLE_XFA
+
+class IPDFSDK_AnnotHandler {
+ public:
+  virtual ~IPDFSDK_AnnotHandler() {}
+
+  virtual CFX_ByteString GetType() = 0;
+  virtual CFX_ByteString GetName() = 0;
+  virtual FX_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 void DeleteAnnot(CPDFSDK_Annot* pAnnot) = 0;
+  virtual CFX_FloatRect GetViewBBox(CPDFSDK_PageView* pPageView,
+                                    CPDFSDK_Annot* pAnnot) = 0;
+  virtual FX_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,
+                      uint32_t dwFlags) = 0;
+  virtual void OnDrawSleep(CPDFSDK_PageView* pPageView,
+                           CPDFSDK_Annot* pAnnot,
+                           CFX_RenderDevice* pDevice,
+                           CFX_Matrix* pUser2Device,
+                           const CFX_FloatRect& rcWindow,
+                           uint32_t dwFlags) = 0;
+
+  virtual void OnCreate(CPDFSDK_Annot* pAnnot) = 0;
+  virtual void OnLoad(CPDFSDK_Annot* pAnnot) = 0;
+  virtual void OnDelete(CPDFSDK_Annot* pAnnot) = 0;
+  virtual void OnRelease(CPDFSDK_Annot* pAnnot) = 0;
+  virtual void OnMouseEnter(CPDFSDK_PageView* pPageView,
+                            CPDFSDK_Annot* pAnnot,
+                            uint32_t nFlag) = 0;
+  virtual void OnMouseExit(CPDFSDK_PageView* pPageView,
+                           CPDFSDK_Annot* pAnnot,
+                           uint32_t nFlag) = 0;
+  virtual FX_BOOL OnLButtonDown(CPDFSDK_PageView* pPageView,
+                                CPDFSDK_Annot* pAnnot,
+                                uint32_t nFlags,
+                                const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnLButtonUp(CPDFSDK_PageView* pPageView,
+                              CPDFSDK_Annot* pAnnot,
+                              uint32_t nFlags,
+                              const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnLButtonDblClk(CPDFSDK_PageView* pPageView,
+                                  CPDFSDK_Annot* pAnnot,
+                                  uint32_t nFlags,
+                                  const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnMouseMove(CPDFSDK_PageView* pPageView,
+                              CPDFSDK_Annot* pAnnot,
+                              uint32_t nFlags,
+                              const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnMouseWheel(CPDFSDK_PageView* pPageView,
+                               CPDFSDK_Annot* pAnnot,
+                               uint32_t nFlags,
+                               short zDelta,
+                               const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnRButtonDown(CPDFSDK_PageView* pPageView,
+                                CPDFSDK_Annot* pAnnot,
+                                uint32_t nFlags,
+                                const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnRButtonUp(CPDFSDK_PageView* pPageView,
+                              CPDFSDK_Annot* pAnnot,
+                              uint32_t nFlags,
+                              const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnRButtonDblClk(CPDFSDK_PageView* pPageView,
+                                  CPDFSDK_Annot* pAnnot,
+                                  uint32_t nFlags,
+                                  const CFX_FloatPoint& point) = 0;
+  virtual FX_BOOL OnChar(CPDFSDK_Annot* pAnnot,
+                         uint32_t nChar,
+                         uint32_t nFlags) = 0;
+  virtual FX_BOOL OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) = 0;
+  virtual FX_BOOL OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) = 0;
+  virtual void OnDeSelected(CPDFSDK_Annot* pAnnot) = 0;
+  virtual void OnSelected(CPDFSDK_Annot* pAnnot) = 0;
+  virtual FX_BOOL OnSetFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) = 0;
+  virtual FX_BOOL OnKillFocus(CPDFSDK_Annot* pAnnot, uint32_t nFlag) = 0;
+#ifdef PDF_ENABLE_XFA
+  virtual FX_BOOL OnXFAChangedFocus(CPDFSDK_Annot* pOldAnnot,
+                                    CPDFSDK_Annot* pNewAnnot) = 0;
+#endif  // PDF_ENABLE_XFA
+};
+
+#endif  // FPDFSDK_INCLUDE_IPDFSDK_ANNOTHANDLER_H_