Cleanup some xfa/fxfa code.

This CL moves the .h files to have names corresponding to the contained
classes. The .cpp files are moved alongside the .h files. Any extra
classes in the .h files have been split into their own files.

Change-Id: I14b4efc02417f0df946500e87b6c502e77020db8
Reviewed-on: https://pdfium-review.googlesource.com/3160
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 190 insertions, 0 deletions

diff --git a/xfa/fxfa/cxfa_ffwidget.h b/xfa/fxfa/cxfa_ffwidget.h
new file mode 100644
index 0000000000..02a7b21b15
--- /dev/null
+++ b/xfa/fxfa/cxfa_ffwidget.h
@@ -0,0 +1,190 @@
+// 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 XFA_FXFA_CXFA_FFWIDGET_H_
+#define XFA_FXFA_CXFA_FFWIDGET_H_
+
+#include <vector>
+
+#include "core/fxcodec/fx_codec_def.h"
+#include "core/fxge/cfx_graphstatedata.h"
+#include "xfa/fwl/cfwl_app.h"
+#include "xfa/fxfa/fxfa.h"
+#include "xfa/fxfa/parser/cxfa_contentlayoutitem.h"
+
+class CXFA_FFPageView;
+class CXFA_FFDocView;
+class CXFA_FFDoc;
+class CXFA_FFApp;
+enum class FWL_WidgetHit;
+
+inline float XFA_UnitPx2Pt(float fPx, float fDpi) {
+  return fPx * 72.0f / fDpi;
+}
+
+#define XFA_FLOAT_PERCISION 0.001f
+
+enum XFA_WIDGETITEM {
+  XFA_WIDGETITEM_Parent,
+  XFA_WIDGETITEM_FirstChild,
+  XFA_WIDGETITEM_NextSibling,
+  XFA_WIDGETITEM_PrevSibling,
+};
+
+int32_t XFA_StrokeTypeSetLineDash(CFX_Graphics* pGraphics,
+                                  int32_t iStrokeType,
+                                  int32_t iCapType);
+CFX_GraphStateData::LineCap XFA_LineCapToFXGE(int32_t iLineCap);
+void XFA_DrawImage(CFX_Graphics* pGS,
+                   const CFX_RectF& rtImage,
+                   CFX_Matrix* pMatrix,
+                   CFX_DIBitmap* pDIBitmap,
+                   int32_t iAspect,
+                   int32_t iImageXDpi,
+                   int32_t iImageYDpi,
+                   int32_t iHorzAlign = XFA_ATTRIBUTEENUM_Left,
+                   int32_t iVertAlign = XFA_ATTRIBUTEENUM_Top);
+
+CFX_DIBitmap* XFA_LoadImageData(CXFA_FFDoc* pDoc,
+                                CXFA_Image* pImage,
+                                bool& bNameImage,
+                                int32_t& iImageXDpi,
+                                int32_t& iImageYDpi);
+
+CFX_DIBitmap* XFA_LoadImageFromBuffer(
+    const CFX_RetainPtr<IFX_SeekableReadStream>& pImageFileRead,
+    FXCODEC_IMAGE_TYPE type,
+    int32_t& iImageXDpi,
+    int32_t& iImageYDpi);
+
+FXCODEC_IMAGE_TYPE XFA_GetImageType(const CFX_WideString& wsType);
+char* XFA_Base64Encode(const uint8_t* buf, int32_t buf_len);
+void XFA_RectWidthoutMargin(CFX_RectF& rt,
+                            const CXFA_Margin& mg,
+                            bool bUI = false);
+CXFA_FFWidget* XFA_GetWidgetFromLayoutItem(CXFA_LayoutItem* pLayoutItem);
+bool XFA_IsCreateWidget(XFA_Element iType);
+#define XFA_DRAWBOX_ForceRound 1
+#define XFA_DRAWBOX_Lowered3D 2
+void XFA_DrawBox(CXFA_Box box,
+                 CFX_Graphics* pGS,
+                 const CFX_RectF& rtWidget,
+                 CFX_Matrix* pMatrix,
+                 uint32_t dwFlags = 0);
+
+class CXFA_CalcData {
+ public:
+  CXFA_CalcData();
+  ~CXFA_CalcData();
+
+  std::vector<CXFA_WidgetAcc*> m_Globals;
+  int32_t m_iRefCount;
+};
+
+class CXFA_FFWidget : public CXFA_ContentLayoutItem {
+ public:
+  explicit CXFA_FFWidget(CXFA_WidgetAcc* pDataAcc);
+  ~CXFA_FFWidget() override;
+
+  virtual CFX_RectF GetBBox(uint32_t dwStatus, bool bDrawFocus = false);
+  virtual void RenderWidget(CFX_Graphics* pGS,
+                            CFX_Matrix* pMatrix,
+                            uint32_t dwStatus);
+  virtual bool IsLoaded();
+  virtual bool LoadWidget();
+  virtual void UnloadWidget();
+  virtual bool PerformLayout();
+  virtual bool UpdateFWLData();
+  virtual void UpdateWidgetProperty();
+  virtual bool OnMouseEnter();
+  virtual bool OnMouseExit();
+  virtual bool OnLButtonDown(uint32_t dwFlags, const CFX_PointF& point);
+  virtual bool OnLButtonUp(uint32_t dwFlags, const CFX_PointF& point);
+  virtual bool OnLButtonDblClk(uint32_t dwFlags, const CFX_PointF& point);
+  virtual bool OnMouseMove(uint32_t dwFlags, const CFX_PointF& point);
+  virtual bool OnMouseWheel(uint32_t dwFlags,
+                            int16_t zDelta,
+                            const CFX_PointF& point);
+  virtual bool OnRButtonDown(uint32_t dwFlags, const CFX_PointF& point);
+  virtual bool OnRButtonUp(uint32_t dwFlags, const CFX_PointF& point);
+  virtual bool OnRButtonDblClk(uint32_t dwFlags, const CFX_PointF& point);
+
+  virtual bool OnSetFocus(CXFA_FFWidget* pOldWidget);
+  virtual bool OnKillFocus(CXFA_FFWidget* pNewWidget);
+  virtual bool OnKeyDown(uint32_t dwKeyCode, uint32_t dwFlags);
+  virtual bool OnKeyUp(uint32_t dwKeyCode, uint32_t dwFlags);
+  virtual bool OnChar(uint32_t dwChar, uint32_t dwFlags);
+  virtual FWL_WidgetHit OnHitTest(const CFX_PointF& point);
+  virtual bool OnSetCursor(const CFX_PointF& point);
+  virtual bool CanUndo();
+  virtual bool CanRedo();
+  virtual bool Undo();
+  virtual bool Redo();
+  virtual bool CanCopy();
+  virtual bool CanCut();
+  virtual bool CanPaste();
+  virtual bool CanSelectAll();
+  virtual bool CanDelete();
+  virtual bool CanDeSelect();
+  virtual bool Copy(CFX_WideString& wsCopy);
+  virtual bool Cut(CFX_WideString& wsCut);
+  virtual bool Paste(const CFX_WideString& wsPaste);
+  virtual void SelectAll();
+  virtual void Delete();
+  virtual void DeSelect();
+  virtual bool GetSuggestWords(CFX_PointF pointf,
+                               std::vector<CFX_ByteString>& sSuggest);
+  virtual bool ReplaceSpellCheckWord(CFX_PointF pointf,
+                                     const CFX_ByteStringC& bsReplace);
+
+  CXFA_FFPageView* GetPageView() const { return m_pPageView; }
+  void SetPageView(CXFA_FFPageView* pPageView) { m_pPageView = pPageView; }
+  CFX_RectF GetWidgetRect();
+  CFX_RectF RecacheWidgetRect();
+  uint32_t GetStatus();
+  void ModifyStatus(uint32_t dwAdded, uint32_t dwRemoved);
+
+  CXFA_WidgetAcc* GetDataAcc();
+  bool GetToolTip(CFX_WideString& wsToolTip);
+
+  CXFA_FFDocView* GetDocView();
+  void SetDocView(CXFA_FFDocView* pDocView);
+  CXFA_FFDoc* GetDoc();
+  CXFA_FFApp* GetApp();
+  IXFA_AppProvider* GetAppProvider();
+  void InvalidateWidget(const CFX_RectF* pRect = nullptr);
+  void AddInvalidateRect(const CFX_RectF* pRect = nullptr);
+  bool GetCaptionText(CFX_WideString& wsCap);
+  bool IsFocused();
+  CFX_PointF Rotate2Normal(const CFX_PointF& point);
+  CFX_Matrix GetRotateMatrix();
+  bool IsLayoutRectEmpty();
+  CXFA_FFWidget* GetParent();
+  bool IsAncestorOf(CXFA_FFWidget* pWidget);
+  const CFWL_App* GetFWLApp();
+
+ protected:
+  virtual bool PtInActiveRect(const CFX_PointF& point);
+
+  void DrawBorder(CFX_Graphics* pGS,
+                  CXFA_Box box,
+                  const CFX_RectF& rtBorder,
+                  CFX_Matrix* pMatrix,
+                  uint32_t dwFlags = 0);
+
+  CFX_RectF GetRectWithoutRotate();
+  bool IsMatchVisibleStatus(uint32_t dwStatus);
+  void EventKillFocus();
+  bool IsButtonDown();
+  void SetButtonDown(bool bSet);
+
+  CXFA_FFDocView* m_pDocView;
+  CXFA_FFPageView* m_pPageView;
+  CXFA_WidgetAcc* m_pDataAcc;
+  CFX_RectF m_rtWidget;
+};
+
+#endif  // XFA_FXFA_CXFA_FFWIDGET_H_