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// 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_CFWL_NOTEDRIVER_H_
#define XFA_FWL_CFWL_NOTEDRIVER_H_
#include <deque>
#include <memory>
#include <unordered_map>
#include <vector>
#include "xfa/fwl/cfwl_event.h"
#include "xfa/fwl/cfwl_widget.h"
#include "xfa/fxgraphics/cfx_graphics.h"
class CFWL_EventTarget;
class CFWL_NoteLoop;
class CFWL_TargetImp;
class CFWL_Widget;
class CFWL_NoteDriver {
public:
CFWL_NoteDriver();
~CFWL_NoteDriver();
void SendEvent(CFWL_Event* pNote);
void RegisterEventTarget(CFWL_Widget* pListener, CFWL_Widget* pEventSource);
void UnregisterEventTarget(CFWL_Widget* pListener);
void ClearEventTargets();
CFWL_NoteLoop* GetTopLoop() const;
void PushNoteLoop(CFWL_NoteLoop* pNoteLoop);
CFWL_NoteLoop* PopNoteLoop();
CFWL_Widget* GetFocus() const { return m_pFocus; }
bool SetFocus(CFWL_Widget* pFocus);
void SetGrab(CFWL_Widget* pGrab, bool bSet) {
m_pGrab = bSet ? pGrab : nullptr;
}
void Run();
void NotifyTargetHide(CFWL_Widget* pNoteTarget);
void NotifyTargetDestroy(CFWL_Widget* pNoteTarget);
void RegisterForm(CFWL_Widget* pForm);
void UnRegisterForm(CFWL_Widget* pForm);
void ProcessMessage(std::unique_ptr<CFWL_Message> pMessage);
void QueueMessage(std::unique_ptr<CFWL_Message> pMessage);
void UnqueueMessageAndProcess(CFWL_NoteLoop* pNoteLoop);
private:
bool DispatchMessage(CFWL_Message* pMessage, CFWL_Widget* pMessageForm);
bool DoSetFocus(CFWL_Message* pMsg, CFWL_Widget* pMessageForm);
bool DoKillFocus(CFWL_Message* pMsg, CFWL_Widget* pMessageForm);
bool DoKey(CFWL_Message* pMsg, CFWL_Widget* pMessageForm);
bool DoMouse(CFWL_Message* pMsg, CFWL_Widget* pMessageForm);
bool DoWheel(CFWL_Message* pMsg, CFWL_Widget* pMessageForm);
bool DoMouseEx(CFWL_Message* pMsg, CFWL_Widget* pMessageForm);
void MouseSecondary(CFWL_Message* pMsg);
bool IsValidMessage(CFWL_Message* pMessage);
CFWL_Widget* GetMessageForm(CFWL_Widget* pDstTarget);
std::vector<CFWL_Widget*> m_Forms;
std::deque<std::unique_ptr<CFWL_Message>> m_NoteQueue;
std::vector<CFWL_NoteLoop*> m_NoteLoopQueue;
std::unordered_map<uint32_t, std::unique_ptr<CFWL_EventTarget>>
m_eventTargets;
CFWL_Widget* m_pHover;
CFWL_Widget* m_pFocus;
CFWL_Widget* m_pGrab;
std::unique_ptr<CFWL_NoteLoop> m_pNoteLoop;
};
#endif // XFA_FWL_CFWL_NOTEDRIVER_H_
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