| // 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_ |