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// 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_NoteThread;
class IFWL_Widget;
class IFWL_NoteDriver {
public:
virtual ~IFWL_NoteDriver() {}
virtual FX_BOOL SendNote(CFWL_Note* pNote) = 0;
virtual FX_BOOL PostMessage(CFWL_Message* pMessage) = 0;
virtual FWL_ERR RegisterEventTarget(
IFWL_Widget* pListener,
IFWL_Widget* pEventSource = NULL,
FX_DWORD dwFilter = FWL_EVENT_ALL_MASK) = 0;
virtual FWL_ERR UnregisterEventTarget(IFWL_Widget* pListener) = 0;
virtual void ClearEventTargets(FX_BOOL bRemoveAll) = 0;
virtual int32_t GetQueueMaxSize() const = 0;
virtual FWL_ERR SetQueueMaxSize(const int32_t size) = 0;
virtual IFWL_NoteThread* 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;
};
IFWL_Widget* FWL_GetCurrentThreadModalWidget(IFWL_NoteThread* pNoteThread);
typedef FX_BOOL (*FWLMessageHookCallback)(CFWL_Message* msg, void* info);
FWL_ERR FWL_SetHook(IFWL_NoteDriver* driver,
FWLMessageHookCallback callback,
void* info);
#endif // XFA_FWL_CORE_IFWL_NOTEDRIVER_H_
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