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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 <map>
#include <memory>
#include <set>
#include "fxjs/gc/heap.h"
#include "v8/include/cppgc/garbage-collected.h"
#include "v8/include/cppgc/member.h"
#include "v8/include/cppgc/visitor.h"
#include "xfa/fgas/graphics/cfgas_gegraphics.h"
#include "xfa/fwl/cfwl_widget.h"
class CFWL_Event;
class CFWL_NoteDriver final : public cppgc::GarbageCollected<CFWL_NoteDriver> {
public:
CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED;
~CFWL_NoteDriver();
void Trace(cppgc::Visitor* visitor) const;
void SendEvent(CFWL_Event* pNote);
void ProcessMessage(CFWL_Message* pMessage);
void RegisterEventTarget(CFWL_Widget* pListener, CFWL_Widget* pEventSource);
void UnregisterEventTarget(CFWL_Widget* pListener);
void NotifyTargetHide(CFWL_Widget* pNoteTarget);
void NotifyTargetDestroy(CFWL_Widget* pNoteTarget);
void SetGrab(CFWL_Widget* pGrab) { m_pGrab = pGrab; }
private:
class Target {
public:
explicit Target(CFWL_Widget* pListener);
~Target();
void Trace(cppgc::Visitor* visitor) const;
void SetEventSource(CFWL_Widget* pSource);
bool ProcessEvent(CFWL_Event* pEvent);
bool IsValid() const { return m_bValid; }
void Invalidate() { m_bValid = false; }
private:
bool m_bValid = true;
cppgc::Member<CFWL_Widget> const m_pListener;
std::set<cppgc::Member<CFWL_Widget>> m_widgets;
};
CFWL_NoteDriver();
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);
std::map<uint64_t, std::unique_ptr<Target>> m_eventTargets;
cppgc::Member<CFWL_Widget> m_pHover;
cppgc::Member<CFWL_Widget> m_pFocus;
cppgc::Member<CFWL_Widget> m_pGrab;
};
#endif // XFA_FWL_CFWL_NOTEDRIVER_H_