1 #pragma once
2 #include "CPlayerUIBase.h"
3 #include "UIElement.h"
4 #include "TinyXml2Helper.h"
5
6 class CUserUi :
7 public CPlayerUIBase
8 {
9 public:
10 CUserUi(CWnd* pMainWnd, const std::wstring& xml_path);
11 CUserUi(CWnd* pMainWnd, UINT id); //此构造函数不传递xml文件的路径，id为xml界面资源ID
12 ~CUserUi();
13
14 void LoadFromContents(const std::string& xml_contents);
15 void SetIndex(int index);
16 bool IsIndexValid() const;
17
18 //遍历所有界面元素
19 //visible_only为true时，遇到stackElement时，只遍历stackElement下面可见的子节点
20 void IterateAllElements(std::function<bool(UiElement::Element*)> func, bool visible_only = false);
21 void IterateAllElementsInAllUi(std::function<bool(UiElement::Element*)> func); //遍历每一个界面中的所有元素（包含big、narrow、small三个界面）
22 void VolumeAdjusted(); //当音量调整时需要调用此函数
23 void ResetVolumeToPlayTime(); //定时器SHOW_VOLUME_TIMER_ID响应时需要调用此函数
24 void PlaylistLocateToCurrent(); //播放列表控件使正在播放的条目可见
25 void ListLocateToCurrent(); //ui中的所有列表使正在播放的条目可见
26 void InitSearchBox(CWnd* pWnd);
27
28 //清除所有搜索框的搜索状态。其中模板参数T是搜索框关联的列表元素的类型
29 template<class T>
30 void ClearSearchResult();
31
32 void SaveStatackElementIndex(CArchive& archive);
33 void LoadStatackElementIndex(CArchive& archive);
34
35 //查找一个UiElement中指定类型的元素
36 template<class T>
37 T* FindElement();
38
39 //遍历所有指定类型的元素
40 //visible_only为true时，遇到stackElement时，只遍历stackElement下面可见的子节点
41 template<class T>
42 void IterateAllElements(std::function<bool(T*)> func, bool visible_only = false);
43
44 enum { SHOW_VOLUME_TIMER_ID = 1635 };
45
46 // 通过 CPlayerUIBase 继承
47 virtual void _DrawInfo(CRect draw_rect, bool reset = false) override;
48 virtual wstring GetUIName() override;
49 virtual bool LButtonUp(CPoint point) override;
50 virtual bool LButtonDown(CPoint point) override;
51 virtual void MouseMove(CPoint point) override;
52 virtual void MouseLeave() override;
53 virtual void RButtonUp(CPoint point) override;
54 virtual void RButtonDown(CPoint point) override;
55 virtual bool MouseWheel(int delta, CPoint point) override;
56 virtual bool DoubleClick(CPoint point) override;
57 virtual void UiSizeChanged() override;
58 virtual bool SetCursor() override;
59
60 protected:
61 int m_index{ INT_MAX };
62 std::wstring m_xml_path;
63 std::shared_ptr<UiElement::Element> m_root_default;
64 std::shared_ptr<UiElement::Element> m_root_ui_big;
65 std::shared_ptr<UiElement::Element> m_root_ui_narrow;
66 std::shared_ptr<UiElement::Element> m_root_ui_small;
67 std::wstring m_ui_name;
68 std::map<UiElement::Element*, std::vector<std::shared_ptr<UiElement::Element>>> m_stack_elements; //保存所有的stackElement。key是其所在的ui节点，value是该ui节点下所有stackElement
69 bool m_last_mouse_in_draw_area{};
70
71 public:
72 virtual int GetUiIndex() override;
73
74 //确保每个界面的序号唯一
75 static void UniqueUiIndex(std::vector<std::shared_ptr<CUserUi>>& ui_list);
76
77 protected:
78 std::shared_ptr<UiElement::Element> GetCurrentTypeUi() const;
79
80 static std::shared_ptr<CUserUi> FindUiByIndex(const std::vector<std::shared_ptr<CUserUi>>& ui_list, int ui_index, std::shared_ptr<CUserUi> except);
81 static int GetMaxUiIndex(const std::vector<std::shared_ptr<CUserUi>>& ui_list);
82 std::shared_ptr<UiElement::Element> BuildUiElementFromXmlNode(tinyxml2::XMLElement* xml_node); //从一个xml节点创建UiElement::Element元素及其所有子元素的对象
83
84 virtual const std::vector<std::shared_ptr<UiElement::Element>>& GetStackElements() const;
85
86 protected:
87 virtual void SwitchStackElement() override;
88 };
89
90 template<class T>
ClearSearchResult()91 inline void CUserUi::ClearSearchResult()
92 {
93 IterateAllElementsInAllUi([&](UiElement::Element* element) ->bool {
94 UiElement::SearchBox* search_box{ dynamic_cast<UiElement::SearchBox*>(element) };
95 if (search_box != nullptr)
96 {
97 T* list_emelent = dynamic_cast<T*>(search_box->GetListElement());
98 if (list_emelent != nullptr)
99 {
100 search_box->Clear();
101 }
102 }
103 return false;
104 });
105 }
106
107 template<class T>
FindElement()108 inline T* CUserUi::FindElement()
109 {
110 T* element_found{};
111 IterateAllElements([&](UiElement::Element* element) ->bool {
112 T* ele = dynamic_cast<T*>(element);
113 if (ele != nullptr)
114 {
115 element_found = ele;
116 return true;
117 }
118 return false;
119 });
120
121 return element_found;
122 }
123
124 template<class T>
IterateAllElements(std::function<bool (T *)> func,bool visible_only)125 inline void CUserUi::IterateAllElements(std::function<bool(T*)> func, bool visible_only)
126 {
127 IterateAllElements([&](UiElement::Element* element) ->bool {
128 T* ele = dynamic_cast<T*>(element);
129 if (ele != nullptr)
130 {
131 return func(ele);
132 }
133 return false;
134 }, visible_only);
135 }
136