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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_CORE_FWL_NOTEIMP_H_
#define XFA_FWL_CORE_FWL_NOTEIMP_H_
#include <deque>
#include <memory>
#include <unordered_map>
#include "xfa/fwl/core/cfwl_event.h"
#include "xfa/fwl/core/ifwl_tooltip.h"
#include "xfa/fwl/core/ifwl_widget.h"
#include "xfa/fxgraphics/cfx_graphics.h"
class CFWL_EventTarget;
class CFWL_TargetImp;
class IFWL_ToolTip;
class IFWL_Widget;
class CFWL_NoteLoop {
public:
CFWL_NoteLoop();
~CFWL_NoteLoop() {}
IFWL_Widget* GetForm() const { return m_pForm; }
bool ContinueModal() const { return m_bContinueModal; }
void EndModalLoop() { m_bContinueModal = false; }
void SetMainForm(IFWL_Widget* pForm) { m_pForm = pForm; }
private:
IFWL_Widget* m_pForm;
bool m_bContinueModal;
};
class CFWL_NoteDriver {
public:
CFWL_NoteDriver();
~CFWL_NoteDriver();
void SendEvent(CFWL_Event* pNote);
void RegisterEventTarget(IFWL_Widget* pListener,
IFWL_Widget* pEventSource = nullptr,
uint32_t dwFilter = FWL_EVENT_ALL_MASK);
void UnregisterEventTarget(IFWL_Widget* pListener);
void ClearEventTargets(bool bRemoveAll);
CFWL_NoteLoop* GetTopLoop() const;
void PushNoteLoop(CFWL_NoteLoop* pNoteLoop);
CFWL_NoteLoop* PopNoteLoop();
IFWL_Widget* GetFocus() const { return m_pFocus; }
bool SetFocus(IFWL_Widget* pFocus, bool bNotify = false);
void SetGrab(IFWL_Widget* pGrab, bool bSet) {
m_pGrab = bSet ? pGrab : nullptr;
}
void Run();
void NotifyTargetHide(IFWL_Widget* pNoteTarget);
void NotifyTargetDestroy(IFWL_Widget* pNoteTarget);
void RegisterForm(IFWL_Widget* pForm);
void UnRegisterForm(IFWL_Widget* pForm);
void QueueMessage(std::unique_ptr<CFWL_Message> pMessage);
void UnqueueMessage(CFWL_NoteLoop* pNoteLoop);
void ProcessMessage(CFWL_Message* pMessage);
private:
bool DispatchMessage(CFWL_Message* pMessage, IFWL_Widget* pMessageForm);
bool DoSetFocus(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
bool DoKillFocus(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
bool DoKey(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
bool DoMouse(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
bool DoWheel(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
bool DoMouseEx(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
void MouseSecondary(CFWL_Message* pMsg);
bool IsValidMessage(CFWL_Message* pMessage);
IFWL_Widget* GetMessageForm(IFWL_Widget* pDstTarget);
CFX_ArrayTemplate<IFWL_Widget*> m_forms;
std::deque<std::unique_ptr<CFWL_Message>> m_noteQueue;
CFX_ArrayTemplate<CFWL_NoteLoop*> m_noteLoopQueue;
std::unordered_map<uint32_t, CFWL_EventTarget*> m_eventTargets;
IFWL_Widget* m_pHover;
IFWL_Widget* m_pFocus;
IFWL_Widget* m_pGrab;
std::unique_ptr<CFWL_NoteLoop> m_pNoteLoop;
};
class CFWL_EventTarget {
public:
CFWL_EventTarget(IFWL_Widget* pListener);
~CFWL_EventTarget();
int32_t SetEventSource(IFWL_Widget* pSource,
uint32_t dwFilter = FWL_EVENT_ALL_MASK);
bool ProcessEvent(CFWL_Event* pEvent);
bool IsInvalid() const { return m_bInvalid; }
void FlagInvalid() { m_bInvalid = true; }
private:
bool IsFilterEvent(CFWL_Event* pEvent, uint32_t dwFilter) const;
CFX_MapPtrTemplate<void*, uint32_t> m_eventSources;
IFWL_Widget* m_pListener;
bool m_bInvalid;
};
#endif // XFA_FWL_CORE_FWL_NOTEIMP_H_
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