Merge the CFWL_*Imp classes into the IFWL_* classes.

This Cl merges the implementation classes up into the IFWL classes as the
intermediate classes were just acting as proxies.

Review-Url: https://chromiumcodereview.appspot.com/2432423002

1 files changed, 175 insertions, 0 deletions

diff --git a/xfa/fwl/core/ifwl_scrollbar.h b/xfa/fwl/core/ifwl_scrollbar.h
new file mode 100644
index 0000000000..2a46e0f33d
--- /dev/null
+++ b/xfa/fwl/core/ifwl_scrollbar.h
@@ -0,0 +1,175 @@
+// 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"
+#include "xfa/fwl/core/cfwl_widgetimpproperties.h"
+#include "xfa/fwl/core/fwl_error.h"
+#include "xfa/fwl/core/ifwl_dataprovider.h"
+#include "xfa/fwl/core/ifwl_timer.h"
+#include "xfa/fwl/core/ifwl_widget.h"
+
+class CFWL_ScrollBarImpDelegate;
+class CFWL_WidgetImpProperties;
+class IFWL_Widget;
+
+#define FWL_CLASS_ScrollBar L"FWL_SCROLLBAR"
+#define FWL_STYLEEXT_SCB_Horz (0L << 0)
+#define FWL_STYLEEXT_SCB_Vert (1L << 0)
+
+enum FWL_SCBCODE {
+  FWL_SCBCODE_None = 1,
+  FWL_SCBCODE_Min,
+  FWL_SCBCODE_Max,
+  FWL_SCBCODE_PageBackward,
+  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 {
+ public:
+  static IFWL_ScrollBar* Create(const CFWL_WidgetImpProperties& properties,
+                                IFWL_Widget* pOuter);
+
+  IFWL_ScrollBar(const CFWL_WidgetImpProperties& properties,
+                 IFWL_Widget* pOuter);
+  ~IFWL_ScrollBar() override;
+
+  // IFWL_Widget
+  FWL_Error GetClassName(CFX_WideString& wsClass) const override;
+  FWL_Type GetClassID() const override;
+  FWL_Error Initialize() override;
+  FWL_Error 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;
+
+  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,
+                 const CFX_Matrix* pMatrix = nullptr);
+  void Layout();
+  void CalcButtonLen();
+  void CalcMinButtonRect(CFX_RectF& rect);
+  void CalcMaxButtonRect(CFX_RectF& rect);
+  void CalcThumbButtonRect(CFX_RectF& rect);
+  void CalcMinTrackRect(CFX_RectF& rect);
+  void CalcMaxTrackRect(CFX_RectF& rect);
+  FX_FLOAT GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy);
+  void GetTrackRect(CFX_RectF& rect, FX_BOOL bLower = TRUE);
+  FX_BOOL SendEvent();
+  FX_BOOL OnScroll(uint32_t dwCode, FX_FLOAT fPos);
+
+  IFWL_TimerInfo* m_pTimerInfo;
+  FX_FLOAT m_fRangeMin;
+  FX_FLOAT m_fRangeMax;
+  FX_FLOAT m_fPageSize;
+  FX_FLOAT m_fStepSize;
+  FX_FLOAT m_fPos;
+  FX_FLOAT m_fTrackPos;
+  int32_t m_iMinButtonState;
+  int32_t m_iMaxButtonState;
+  int32_t m_iThumbButtonState;
+  int32_t m_iMinTrackState;
+  int32_t m_iMaxTrackState;
+  FX_FLOAT m_fLastTrackPos;
+  FX_FLOAT m_cpTrackPointX;
+  FX_FLOAT m_cpTrackPointY;
+  int32_t m_iMouseWheel;
+  FX_BOOL m_bTrackMouseLeave;
+  FX_BOOL m_bMouseHover;
+  FX_BOOL m_bMouseDown;
+  FX_BOOL m_bRepaintThumb;
+  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;
+  FX_BOOL m_bCustomLayout;
+  FX_FLOAT m_fMinThumb;
+
+ protected:
+  IFWL_ScrollBar();
+};
+
+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:
+  void OnLButtonDown(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy);
+  void OnLButtonUp(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy);
+  void OnMouseMove(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy);
+  void OnMouseLeave();
+  void OnMouseWheel(FX_FLOAT fx,
+                    FX_FLOAT fy,
+                    uint32_t dwFlags,
+                    FX_FLOAT fDeltaX,
+                    FX_FLOAT fDeltaY);
+  void DoMouseDown(int32_t iItem,
+                   const CFX_RectF& rtItem,
+                   int32_t& iState,
+                   FX_FLOAT fx,
+                   FX_FLOAT fy);
+  void DoMouseUp(int32_t iItem,
+                 const CFX_RectF& rtItem,
+                 int32_t& iState,
+                 FX_FLOAT fx,
+                 FX_FLOAT fy);
+  void DoMouseMove(int32_t iItem,
+                   const CFX_RectF& rtItem,
+                   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_