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1 // Copyright 2014 PDFium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
6 | |
7 #ifndef XFA_FWL_CORE_FWL_NOTEIMP_H_ | |
8 #define XFA_FWL_CORE_FWL_NOTEIMP_H_ | |
9 | |
10 #include <deque> | |
11 #include <memory> | |
12 #include <unordered_map> | |
13 | |
14 #include "xfa/fwl/core/cfwl_event.h" | |
15 #include "xfa/fwl/core/ifwl_tooltip.h" | |
16 #include "xfa/fwl/core/ifwl_widget.h" | |
17 #include "xfa/fxgraphics/cfx_graphics.h" | |
18 | |
19 class CFWL_EventTarget; | |
20 class CFWL_TargetImp; | |
21 class IFWL_ToolTip; | |
22 class IFWL_Widget; | |
23 | |
24 class CFWL_NoteLoop { | |
25 public: | |
26 CFWL_NoteLoop(); | |
27 ~CFWL_NoteLoop() {} | |
28 | |
29 IFWL_Widget* GetForm() const { return m_pForm; } | |
30 bool ContinueModal() const { return m_bContinueModal; } | |
31 void EndModalLoop() { m_bContinueModal = false; } | |
32 void SetMainForm(IFWL_Widget* pForm) { m_pForm = pForm; } | |
33 | |
34 private: | |
35 IFWL_Widget* m_pForm; | |
36 bool m_bContinueModal; | |
37 }; | |
38 | |
39 class CFWL_NoteDriver { | |
40 public: | |
41 CFWL_NoteDriver(); | |
42 ~CFWL_NoteDriver(); | |
43 | |
44 void SendEvent(CFWL_Event* pNote); | |
45 | |
46 void RegisterEventTarget(IFWL_Widget* pListener, | |
47 IFWL_Widget* pEventSource = nullptr, | |
48 uint32_t dwFilter = FWL_EVENT_ALL_MASK); | |
49 void UnregisterEventTarget(IFWL_Widget* pListener); | |
50 void ClearEventTargets(bool bRemoveAll); | |
51 | |
52 CFWL_NoteLoop* GetTopLoop() const; | |
53 void PushNoteLoop(CFWL_NoteLoop* pNoteLoop); | |
54 CFWL_NoteLoop* PopNoteLoop(); | |
55 | |
56 IFWL_Widget* GetFocus() const { return m_pFocus; } | |
57 bool SetFocus(IFWL_Widget* pFocus, bool bNotify = false); | |
58 void SetGrab(IFWL_Widget* pGrab, bool bSet) { | |
59 m_pGrab = bSet ? pGrab : nullptr; | |
60 } | |
61 | |
62 void Run(); | |
63 | |
64 void NotifyTargetHide(IFWL_Widget* pNoteTarget); | |
65 void NotifyTargetDestroy(IFWL_Widget* pNoteTarget); | |
66 | |
67 void RegisterForm(IFWL_Widget* pForm); | |
68 void UnRegisterForm(IFWL_Widget* pForm); | |
69 | |
70 void QueueMessage(std::unique_ptr<CFWL_Message> pMessage); | |
71 void UnqueueMessage(CFWL_NoteLoop* pNoteLoop); | |
72 void ProcessMessage(CFWL_Message* pMessage); | |
73 | |
74 private: | |
75 bool DispatchMessage(CFWL_Message* pMessage, IFWL_Widget* pMessageForm); | |
76 bool DoSetFocus(CFWL_Message* pMsg, IFWL_Widget* pMessageForm); | |
77 bool DoKillFocus(CFWL_Message* pMsg, IFWL_Widget* pMessageForm); | |
78 bool DoKey(CFWL_Message* pMsg, IFWL_Widget* pMessageForm); | |
79 bool DoMouse(CFWL_Message* pMsg, IFWL_Widget* pMessageForm); | |
80 bool DoWheel(CFWL_Message* pMsg, IFWL_Widget* pMessageForm); | |
81 bool DoMouseEx(CFWL_Message* pMsg, IFWL_Widget* pMessageForm); | |
82 void MouseSecondary(CFWL_Message* pMsg); | |
83 bool IsValidMessage(CFWL_Message* pMessage); | |
84 IFWL_Widget* GetMessageForm(IFWL_Widget* pDstTarget); | |
85 | |
86 CFX_ArrayTemplate<IFWL_Widget*> m_forms; | |
87 std::deque<std::unique_ptr<CFWL_Message>> m_noteQueue; | |
88 CFX_ArrayTemplate<CFWL_NoteLoop*> m_noteLoopQueue; | |
89 std::unordered_map<uint32_t, CFWL_EventTarget*> m_eventTargets; | |
90 IFWL_Widget* m_pHover; | |
91 IFWL_Widget* m_pFocus; | |
92 IFWL_Widget* m_pGrab; | |
93 std::unique_ptr<CFWL_NoteLoop> m_pNoteLoop; | |
94 }; | |
95 | |
96 class CFWL_EventTarget { | |
97 public: | |
98 explicit CFWL_EventTarget(IFWL_Widget* pListener); | |
99 ~CFWL_EventTarget(); | |
100 | |
101 int32_t SetEventSource(IFWL_Widget* pSource, | |
102 uint32_t dwFilter = FWL_EVENT_ALL_MASK); | |
103 bool ProcessEvent(CFWL_Event* pEvent); | |
104 | |
105 bool IsInvalid() const { return m_bInvalid; } | |
106 void FlagInvalid() { m_bInvalid = true; } | |
107 | |
108 private: | |
109 bool IsFilterEvent(CFWL_Event* pEvent, uint32_t dwFilter) const; | |
110 | |
111 CFX_MapPtrTemplate<void*, uint32_t> m_eventSources; | |
112 IFWL_Widget* m_pListener; | |
113 bool m_bInvalid; | |
114 }; | |
115 | |
116 #endif // XFA_FWL_CORE_FWL_NOTEIMP_H_ | |
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