Remove FWL globals.

xfa/fwl/core/ifwl_scrollbar.h

 // 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_FWL_CORE_IFWL_SCROLLBAR_H_
 #define XFA_FWL_CORE_IFWL_SCROLLBAR_H_
 
 #include "core/fxcrt/fx_system.h"
@@ skipping 18 matching lines @@
   FWL_SCBCODE_PageForward,
   FWL_SCBCODE_StepBackward,
   FWL_SCBCODE_StepForward,
   FWL_SCBCODE_Pos,
   FWL_SCBCODE_TrackPos,
   FWL_SCBCODE_EndScroll,
 };
 
 class IFWL_ScrollBarDP : public IFWL_DataProvider {};
 
-class IFWL_ScrollBar : public IFWL_Widget, public IFWL_Timer {
+class IFWL_ScrollBar : public IFWL_Widget {
  public:
-  IFWL_ScrollBar(const CFWL_WidgetImpProperties& properties,
+  IFWL_ScrollBar(const IFWL_App* app,
+                 const CFWL_WidgetImpProperties& properties,
                  IFWL_Widget* pOuter);
   ~IFWL_ScrollBar() override;
 
   // IFWL_Widget
+  void Initialize() override;
+  void Finalize() override;
   FWL_Type GetClassID() const override;
-  FWL_Error Initialize() override;
-  void Finalize() override;
   FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
   FWL_Error Update() override;
   FWL_Error DrawWidget(CFX_Graphics* pGraphics,
                        const CFX_Matrix* pMatrix = nullptr) override;
 
-  // IFWL_Timer
-  void Run(IFWL_TimerInfo* pTimerInfo) override;
-
   FX_BOOL IsVertical();
   FWL_Error GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax);
   FWL_Error SetRange(FX_FLOAT fMin, FX_FLOAT fMax);
   FX_FLOAT GetPageSize();
   FWL_Error SetPageSize(FX_FLOAT fPageSize);
   FX_FLOAT GetStepSize();
   FWL_Error SetStepSize(FX_FLOAT fStepSize);
   FX_FLOAT GetPos();
   FWL_Error SetPos(FX_FLOAT fPos);
   FX_FLOAT GetTrackPos();
   FWL_Error SetTrackPos(FX_FLOAT fTrackPos);
   FX_BOOL DoScroll(uint32_t dwCode, FX_FLOAT fPos = 0.0f);
   FWL_Error SetOuter(IFWL_Widget* pOuter);
 
  protected:
   friend class CFWL_ScrollBarImpDelegate;
 
+  class Timer : public IFWL_Timer {
+   public:
+    explicit Timer(IFWL_ScrollBar* pToolTip);
+    ~Timer() override {}
+
+    void Run(IFWL_TimerInfo* pTimerInfo) override;
+  };
+  friend class IFWL_ScrollBar::Timer;
+
+  IFWL_ScrollBar();
   void DrawTrack(CFX_Graphics* pGraphics,
                  IFWL_ThemeProvider* pTheme,
                  FX_BOOL bLower = TRUE,
                  const CFX_Matrix* pMatrix = nullptr);
   void DrawArrowBtn(CFX_Graphics* pGraphics,
                     IFWL_ThemeProvider* pTheme,
                     FX_BOOL bMinBtn = TRUE,
                     const CFX_Matrix* pMatrix = nullptr);
   void DrawThumb(CFX_Graphics* pGraphics,
                  IFWL_ThemeProvider* pTheme,
@@ skipping 33 matching lines @@
   FX_FLOAT m_fButtonLen;
   FX_BOOL m_bMinSize;
   CFX_RectF m_rtClient;
   CFX_RectF m_rtThumb;
   CFX_RectF m_rtMinBtn;
   CFX_RectF m_rtMaxBtn;
   CFX_RectF m_rtMinTrack;
   CFX_RectF m_rtMaxTrack;
   bool m_bCustomLayout;
   FX_FLOAT m_fMinThumb;
-
- protected:
-  IFWL_ScrollBar();
+  IFWL_ScrollBar::Timer m_Timer;
 };
 
 class CFWL_ScrollBarImpDelegate : public CFWL_WidgetImpDelegate {
  public:
   CFWL_ScrollBarImpDelegate(IFWL_ScrollBar* pOwner);
   void OnProcessMessage(CFWL_Message* pMessage) override;
   void OnDrawWidget(CFX_Graphics* pGraphics,
                     const CFX_Matrix* pMatrix = nullptr) override;
 
  protected:
@@ skipping 21 matching lines @@
                    int32_t& iState,
                    FX_FLOAT fx,
                    FX_FLOAT fy);
   void DoMouseLeave(int32_t iItem, const CFX_RectF& rtItem, int32_t& iState);
   void DoMouseHover(int32_t iItem, const CFX_RectF& rtItem, int32_t& iState);
 
   IFWL_ScrollBar* m_pOwner;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_SCROLLBAR_H_