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1 // Copyright (c) 2012 The Chromium 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 #ifndef CHROMEOS_DBUS_IBUS_IBUS_LOOKUP_TABLE_H_ | |
6 #define CHROMEOS_DBUS_IBUS_IBUS_LOOKUP_TABLE_H_ | |
7 | |
8 #include <string> | |
9 #include <vector> | |
10 #include "base/basictypes.h" | |
11 #include "base/memory/scoped_ptr.h" | |
12 #include "chromeos/chromeos_export.h" | |
13 | |
14 namespace chromeos { | |
15 | |
16 // The IBusLookupTable is one of IBusObjects. IBusLookupTable contains IBusTexts | |
17 // but all of them are used as plain string. The overview of each data | |
18 // structure is as follows: | |
19 // | |
20 // DATA STRUCTURE OVERVIEW: | |
21 // variant struct { | |
22 // string "IBusLookupTable" | |
23 // array [ | |
24 // dict_entry ( | |
25 // string "window_show_at_composition" | |
26 // variant variant boolean false | |
27 // ] | |
28 // ) | |
29 // ] | |
30 // uint32 9 // Page size | |
31 // uint32 1 // Cursor position | |
32 // boolean true // Cursor visibility. | |
33 // boolean true // Round lookup table or not. Not used in Chrome. | |
34 // int32 1 // Orientation | |
35 // array [ // Array of candidate text. | |
36 // variant struct { | |
37 // string "IBusText" | |
38 // array [] | |
39 // string "Candidate Text" | |
40 // variant struct { | |
41 // string "IBusAttrList" | |
42 // array [] | |
43 // array [] | |
44 // } | |
45 // } | |
46 // ... more IBusTexts | |
47 // ] | |
48 // array [ // Array of label text | |
49 // variant struct { | |
50 // string "IBusText" | |
51 // array [] | |
52 // string "1" | |
53 // variant struct { | |
54 // string "IBusAttrList" | |
55 // array [] | |
56 // array [] | |
57 // } | |
58 // } | |
59 // ... more IBusTexts | |
60 // ] | |
61 // } | |
62 // TODO(nona): Clean up the structure.(crbug.com/129403) | |
63 | |
64 // An representation of IBusLookupTable object which is used in dbus | |
65 // communication with ibus-daemon. | |
66 class CHROMEOS_EXPORT IBusLookupTable { | |
67 public: | |
68 enum Orientation { | |
69 HORIZONTAL = 0, | |
70 VERTICAL = 1, | |
71 }; | |
72 | |
73 struct CandidateWindowProperty { | |
74 CandidateWindowProperty(); | |
75 virtual ~CandidateWindowProperty(); | |
76 int page_size; | |
77 int cursor_position; | |
78 bool is_cursor_visible; | |
79 bool is_vertical; | |
80 bool show_window_at_composition; | |
81 }; | |
82 | |
83 // Represents a candidate entry. In dbus communication, each | |
84 // field is represented as IBusText, but attributes are not used in Chrome. | |
85 // So just simple string is sufficient in this case. | |
86 struct Entry { | |
87 Entry(); | |
88 virtual ~Entry(); | |
89 std::string value; | |
90 std::string label; | |
91 std::string annotation; | |
92 std::string description_title; | |
93 std::string description_body; | |
94 }; | |
95 | |
96 IBusLookupTable(); | |
97 virtual ~IBusLookupTable(); | |
98 | |
99 // Returns true if the given |table| is equal to myself. | |
100 bool IsEqual(const IBusLookupTable& table) const; | |
101 | |
102 // Copies |table| to myself. | |
103 void CopyFrom(const IBusLookupTable& table); | |
104 | |
105 const CandidateWindowProperty& GetProperty() const { | |
106 return *property_; | |
107 } | |
108 void SetProperty(const CandidateWindowProperty& property) { | |
109 *property_ = property; | |
110 } | |
111 | |
112 // Returns the number of candidates in one page. | |
113 uint32 page_size() const { return property_->page_size; } | |
114 void set_page_size(uint32 page_size) { property_->page_size = page_size; } | |
115 | |
116 // Returns the cursor index of the currently selected candidate. | |
117 uint32 cursor_position() const { return property_->cursor_position; } | |
118 void set_cursor_position(uint32 cursor_position) { | |
119 property_->cursor_position = cursor_position; | |
120 } | |
121 | |
122 // Returns true if the cursor is visible. | |
123 bool is_cursor_visible() const { return property_->is_cursor_visible; } | |
124 void set_is_cursor_visible(bool is_cursor_visible) { | |
125 property_->is_cursor_visible = is_cursor_visible; | |
126 } | |
127 | |
128 // Returns the orientation of lookup table. | |
129 Orientation orientation() const { | |
130 return property_->is_vertical ? VERTICAL : HORIZONTAL; | |
131 } | |
132 void set_orientation(Orientation orientation) { | |
133 property_->is_vertical = (orientation == VERTICAL); | |
134 } | |
135 | |
136 const std::vector<Entry>& candidates() const { return candidates_; } | |
137 std::vector<Entry>* mutable_candidates() { return &candidates_; } | |
138 | |
139 bool show_window_at_composition() const { | |
140 return property_->show_window_at_composition; | |
141 } | |
142 void set_show_window_at_composition(bool show_window_at_composition) { | |
143 property_->show_window_at_composition = show_window_at_composition; | |
144 } | |
145 | |
146 private: | |
147 scoped_ptr<CandidateWindowProperty> property_; | |
148 std::vector<Entry> candidates_; | |
149 | |
150 DISALLOW_COPY_AND_ASSIGN(IBusLookupTable); | |
151 }; | |
152 | |
153 } // namespace chromeos | |
154 | |
155 #endif // CHROMEOS_DBUS_IBUS_IBUS_LOOKUP_TABLE_H_ | |
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