More FWL interface cleanup.

xfa/fwl/core/ifwl_notedriver.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 XFA_FWL_CORE_IFWL_NOTEDRIVER_H_
-#define XFA_FWL_CORE_IFWL_NOTEDRIVER_H_
-
-#include "core/fxcrt/include/fx_system.h"
-#include "xfa/fwl/core/cfwl_event.h"
-#include "xfa/fwl/core/fwl_error.h"
-
-#define FWL_KEYFLAG_Ctrl (1 << 0)
-#define FWL_KEYFLAG_Alt (1 << 1)
-#define FWL_KEYFLAG_Shift (1 << 2)
-#define FWL_KEYFLAG_Command (1 << 3)
-#define FWL_KEYFLAG_LButton (1 << 4)
-#define FWL_KEYFLAG_RButton (1 << 5)
-#define FWL_KEYFLAG_MButton (1 << 6)
-
-class CFWL_Message;
-class CFWL_Note;
-class IFWL_NoteLoop;
-class IFWL_Thread;
-class IFWL_Widget;
-
-class IFWL_NoteDriver {
- public:
-  virtual ~IFWL_NoteDriver() {}
-
-  virtual FX_BOOL SendEvent(CFWL_Event* pNote) = 0;
-
-  virtual FWL_ERR RegisterEventTarget(
-      IFWL_Widget* pListener,
-      IFWL_Widget* pEventSource = NULL,
-      uint32_t dwFilter = FWL_EVENT_ALL_MASK) = 0;
-  virtual FWL_ERR UnregisterEventTarget(IFWL_Widget* pListener) = 0;
-  virtual void ClearEventTargets(FX_BOOL bRemoveAll) = 0;
-  virtual IFWL_Thread* GetOwnerThread() const = 0;
-  virtual FWL_ERR PushNoteLoop(IFWL_NoteLoop* pNoteLoop) = 0;
-  virtual IFWL_NoteLoop* PopNoteLoop() = 0;
-  virtual IFWL_Widget* GetFocus() = 0;
-  virtual FX_BOOL SetFocus(IFWL_Widget* pFocus, FX_BOOL bNotify = FALSE) = 0;
-  virtual void SetGrab(IFWL_Widget* pGrab, FX_BOOL bSet) = 0;
-  virtual FWL_ERR Run() = 0;
-};
-
-#endif  // XFA_FWL_CORE_IFWL_NOTEDRIVER_H_