Remove FWL globals.

xfa/fwl/core/ifwl_scrollbar.cpp

 // 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
 
 #include "xfa/fwl/core/ifwl_scrollbar.h"
 
 #include "xfa/fwl/core/cfwl_message.h"
 #include "xfa/fwl/core/cfwl_themebackground.h"
 #include "xfa/fwl/core/cfwl_themepart.h"
 #include "xfa/fwl/core/fwl_noteimp.h"
 #include "xfa/fwl/core/ifwl_scrollbar.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
 
 #define FWL_SCROLLBAR_Elapse 500
 #define FWL_SCROLLBAR_MinThumb 5
 
-IFWL_ScrollBar::IFWL_ScrollBar(const CFWL_WidgetImpProperties& properties,
+IFWL_ScrollBar::IFWL_ScrollBar(const IFWL_App* app,
+                               const CFWL_WidgetImpProperties& properties,
                                IFWL_Widget* pOuter)
-    : IFWL_Widget(properties, pOuter),
+    : IFWL_Widget(app, properties, pOuter),
       m_pTimerInfo(nullptr),
       m_fRangeMin(0),
       m_fRangeMax(-1),
       m_fPageSize(0),
       m_fStepSize(0),
       m_fPos(0),
       m_fTrackPos(0),
       m_iMinButtonState(CFWL_PartState_Normal),
       m_iMaxButtonState(CFWL_PartState_Normal),
       m_iThumbButtonState(CFWL_PartState_Normal),
       m_iMinTrackState(CFWL_PartState_Normal),
       m_iMaxTrackState(CFWL_PartState_Normal),
       m_fLastTrackPos(0),
       m_cpTrackPointX(0),
       m_cpTrackPointY(0),
       m_iMouseWheel(0),
       m_bTrackMouseLeave(FALSE),
       m_bMouseHover(FALSE),
       m_bMouseDown(FALSE),
       m_bRepaintThumb(FALSE),
       m_fButtonLen(0),
       m_bMinSize(FALSE),
       m_bCustomLayout(false),
-      m_fMinThumb(FWL_SCROLLBAR_MinThumb) {
+      m_fMinThumb(FWL_SCROLLBAR_MinThumb),
+      m_Timer(this) {
   m_rtClient.Reset();
   m_rtThumb.Reset();
   m_rtMinBtn.Reset();
   m_rtMaxBtn.Reset();
   m_rtMinTrack.Reset();
   m_rtMaxTrack.Reset();
 }
 
 IFWL_ScrollBar::~IFWL_ScrollBar() {}
 
-FWL_Type IFWL_ScrollBar::GetClassID() const {
-  return FWL_Type::ScrollBar;
-}
-
-FWL_Error IFWL_ScrollBar::Initialize() {
-  if (IFWL_Widget::Initialize() != FWL_Error::Succeeded)
-    return FWL_Error::Indefinite;
-
+void IFWL_ScrollBar::Initialize() {
+  IFWL_Widget::Initialize();
   m_pDelegate = new CFWL_ScrollBarImpDelegate(this);
-  return FWL_Error::Succeeded;
 }
 
 void IFWL_ScrollBar::Finalize() {
   delete m_pDelegate;
   m_pDelegate = nullptr;
   IFWL_Widget::Finalize();
 }
 
+FWL_Type IFWL_ScrollBar::GetClassID() const {
+  return FWL_Type::ScrollBar;
+}
+
 FWL_Error IFWL_ScrollBar::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
   if (bAutoSize) {
     rect.Set(0, 0, 0, 0);
     FX_FLOAT* pfMinWidth = static_cast<FX_FLOAT*>(
         GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
     if (!pfMinWidth)
       return FWL_Error::Indefinite;
     if (IsVertical()) {
       rect.Set(0, 0, (*pfMinWidth), (*pfMinWidth) * 3);
     } else {
@@ skipping 105 matching lines @@
       break;
     case FWL_SCBCODE_Pos:
     case FWL_SCBCODE_TrackPos:
     case FWL_SCBCODE_EndScroll:
       break;
     default: { return FALSE; }
   }
   return OnScroll(dwCode, fPos);
 }
 
-void IFWL_ScrollBar::Run(IFWL_TimerInfo* pTimerInfo) {
-  if (m_pTimerInfo)
-    m_pTimerInfo->StopTimer();
-
-  if (!SendEvent())
-    m_pTimerInfo = StartTimer(0, true);
-}
-
 FWL_Error IFWL_ScrollBar::SetOuter(IFWL_Widget* pOuter) {
   m_pOuter = pOuter;
   return FWL_Error::Succeeded;
 }
 
 void IFWL_ScrollBar::DrawTrack(CFX_Graphics* pGraphics,
                                IFWL_ThemeProvider* pTheme,
                                FX_BOOL bLower,
                                const CFX_Matrix* pMatrix) {
   CFWL_ThemeBackground param;
@@ skipping 436 matching lines @@
           DoMouseDown(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx,
                       fy);
         } else {
           DoMouseDown(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx,
                       fy);
         }
       }
     }
   }
   if (!m_pOwner->SendEvent())
-    m_pOwner->m_pTimerInfo = m_pOwner->StartTimer(FWL_SCROLLBAR_Elapse, true);
+    m_pOwner->m_pTimerInfo =
+        m_pOwner->m_Timer.StartTimer(FWL_SCROLLBAR_Elapse, true);
 }
 
 void CFWL_ScrollBarImpDelegate::OnLButtonUp(uint32_t dwFlags,
                                             FX_FLOAT fx,
                                             FX_FLOAT fy) {
   m_pOwner->m_pTimerInfo->StopTimer();
   m_pOwner->m_bMouseDown = FALSE;
   DoMouseUp(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
   DoMouseUp(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx, fy);
   DoMouseUp(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx, fy);
@@ skipping 93 matching lines @@
 
 void CFWL_ScrollBarImpDelegate::DoMouseHover(int32_t iItem,
                                              const CFX_RectF& rtItem,
                                              int32_t& iState) {
   if (iState == CFWL_PartState_Hovered) {
     return;
   }
   iState = CFWL_PartState_Hovered;
   m_pOwner->Repaint(&rtItem);
 }
+
+IFWL_ScrollBar::Timer::Timer(IFWL_ScrollBar* pToolTip) : IFWL_Timer(pToolTip) {}
+
+void IFWL_ScrollBar::Timer::Run(IFWL_TimerInfo* pTimerInfo) {
+  IFWL_ScrollBar* pButton = static_cast<IFWL_ScrollBar*>(m_pWidget);
+
+  if (pButton->m_pTimerInfo)
+    pButton->m_pTimerInfo->StopTimer();
+
+  if (!pButton->SendEvent())
+    pButton->m_pTimerInfo = StartTimer(0, true);
+}