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1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 : *
3 : * This Source Code Form is subject to the terms of the Mozilla Public
4 : * License, v. 2.0. If a copy of the MPL was not distributed with this
5 : * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 :
7 : #include "WidgetUtils.h"
8 :
9 : #include "mozilla/TextEvents.h"
10 :
11 : #include "nsIBaseWindow.h"
12 : #include "nsIDocShellTreeItem.h"
13 : #include "nsIDocShell.h"
14 : #include "nsIInterfaceRequestorUtils.h"
15 : #include "nsPIDOMWindow.h"
16 :
17 : namespace mozilla {
18 : namespace widget {
19 :
20 : // static
21 : void
22 0 : WidgetUtils::Shutdown()
23 : {
24 0 : WidgetKeyboardEvent::Shutdown();
25 0 : }
26 :
27 : // static
28 : already_AddRefed<nsIWidget>
29 0 : WidgetUtils::DOMWindowToWidget(nsPIDOMWindowOuter* aDOMWindow)
30 : {
31 0 : nsCOMPtr<nsIWidget> widget;
32 0 : nsCOMPtr<nsPIDOMWindowOuter> window = aDOMWindow;
33 :
34 0 : if (window) {
35 0 : nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(window->GetDocShell()));
36 :
37 0 : while (!widget && baseWin) {
38 0 : baseWin->GetParentWidget(getter_AddRefs(widget));
39 0 : if (!widget) {
40 0 : nsCOMPtr<nsIDocShellTreeItem> docShellAsItem(do_QueryInterface(baseWin));
41 0 : if (!docShellAsItem)
42 0 : return nullptr;
43 :
44 0 : nsCOMPtr<nsIDocShellTreeItem> parent;
45 0 : docShellAsItem->GetParent(getter_AddRefs(parent));
46 :
47 0 : window = do_GetInterface(parent);
48 0 : if (!window)
49 0 : return nullptr;
50 :
51 0 : baseWin = do_QueryInterface(window->GetDocShell());
52 : }
53 : }
54 : }
55 :
56 0 : return widget.forget();
57 : }
58 :
59 : // static
60 : uint32_t
61 0 : WidgetUtils::ComputeKeyCodeFromChar(uint32_t aCharCode)
62 : {
63 0 : if (aCharCode >= 'A' && aCharCode <= 'Z') {
64 0 : return aCharCode - 'A' + NS_VK_A;
65 : }
66 0 : if (aCharCode >= 'a' && aCharCode <= 'z') {
67 0 : return aCharCode - 'a' + NS_VK_A;
68 : }
69 0 : if (aCharCode >= '0' && aCharCode <= '9') {
70 0 : return aCharCode - '0' + NS_VK_0;
71 : }
72 0 : switch (aCharCode) {
73 0 : case ' ': return NS_VK_SPACE;
74 0 : case '\t': return NS_VK_TAB;
75 0 : case ':': return NS_VK_COLON;
76 0 : case ';': return NS_VK_SEMICOLON;
77 0 : case '<': return NS_VK_LESS_THAN;
78 0 : case '=': return NS_VK_EQUALS;
79 0 : case '>': return NS_VK_GREATER_THAN;
80 0 : case '?': return NS_VK_QUESTION_MARK;
81 0 : case '@': return NS_VK_AT;
82 0 : case '^': return NS_VK_CIRCUMFLEX;
83 0 : case '!': return NS_VK_EXCLAMATION;
84 0 : case '"': return NS_VK_DOUBLE_QUOTE;
85 0 : case '#': return NS_VK_HASH;
86 0 : case '$': return NS_VK_DOLLAR;
87 0 : case '%': return NS_VK_PERCENT;
88 0 : case '&': return NS_VK_AMPERSAND;
89 0 : case '_': return NS_VK_UNDERSCORE;
90 0 : case '(': return NS_VK_OPEN_PAREN;
91 0 : case ')': return NS_VK_CLOSE_PAREN;
92 0 : case '*': return NS_VK_ASTERISK;
93 0 : case '+': return NS_VK_PLUS;
94 0 : case '|': return NS_VK_PIPE;
95 0 : case '-': return NS_VK_HYPHEN_MINUS;
96 0 : case '{': return NS_VK_OPEN_CURLY_BRACKET;
97 0 : case '}': return NS_VK_CLOSE_CURLY_BRACKET;
98 0 : case '~': return NS_VK_TILDE;
99 0 : case ',': return NS_VK_COMMA;
100 0 : case '.': return NS_VK_PERIOD;
101 0 : case '/': return NS_VK_SLASH;
102 0 : case '`': return NS_VK_BACK_QUOTE;
103 0 : case '[': return NS_VK_OPEN_BRACKET;
104 0 : case '\\': return NS_VK_BACK_SLASH;
105 0 : case ']': return NS_VK_CLOSE_BRACKET;
106 0 : case '\'': return NS_VK_QUOTE;
107 : }
108 0 : return 0;
109 : }
110 :
111 : // static
112 : void
113 0 : WidgetUtils::GetLatinCharCodeForKeyCode(uint32_t aKeyCode,
114 : bool aIsCapsLock,
115 : uint32_t* aUnshiftedCharCode,
116 : uint32_t* aShiftedCharCode)
117 : {
118 0 : MOZ_ASSERT(aUnshiftedCharCode && aShiftedCharCode,
119 : "aUnshiftedCharCode and aShiftedCharCode must not be NULL");
120 :
121 0 : if (aKeyCode >= NS_VK_A && aKeyCode <= NS_VK_Z) {
122 0 : *aUnshiftedCharCode = *aShiftedCharCode = aKeyCode;
123 0 : if (aIsCapsLock) {
124 0 : *aShiftedCharCode += 0x20;
125 : } else {
126 0 : *aUnshiftedCharCode += 0x20;
127 : }
128 0 : return;
129 : }
130 :
131 : // aShiftedCharCode must be zero for non-alphabet keys.
132 0 : *aShiftedCharCode = 0;
133 :
134 0 : if (aKeyCode >= NS_VK_0 && aKeyCode <= NS_VK_9) {
135 0 : *aUnshiftedCharCode = aKeyCode;
136 0 : return;
137 : }
138 :
139 0 : switch (aKeyCode) {
140 0 : case NS_VK_SPACE: *aUnshiftedCharCode = ' '; break;
141 0 : case NS_VK_COLON: *aUnshiftedCharCode = ':'; break;
142 0 : case NS_VK_SEMICOLON: *aUnshiftedCharCode = ';'; break;
143 0 : case NS_VK_LESS_THAN: *aUnshiftedCharCode = '<'; break;
144 0 : case NS_VK_EQUALS: *aUnshiftedCharCode = '='; break;
145 0 : case NS_VK_GREATER_THAN: *aUnshiftedCharCode = '>'; break;
146 0 : case NS_VK_QUESTION_MARK: *aUnshiftedCharCode = '?'; break;
147 0 : case NS_VK_AT: *aUnshiftedCharCode = '@'; break;
148 0 : case NS_VK_CIRCUMFLEX: *aUnshiftedCharCode = '^'; break;
149 0 : case NS_VK_EXCLAMATION: *aUnshiftedCharCode = '!'; break;
150 0 : case NS_VK_DOUBLE_QUOTE: *aUnshiftedCharCode = '"'; break;
151 0 : case NS_VK_HASH: *aUnshiftedCharCode = '#'; break;
152 0 : case NS_VK_DOLLAR: *aUnshiftedCharCode = '$'; break;
153 0 : case NS_VK_PERCENT: *aUnshiftedCharCode = '%'; break;
154 0 : case NS_VK_AMPERSAND: *aUnshiftedCharCode = '&'; break;
155 0 : case NS_VK_UNDERSCORE: *aUnshiftedCharCode = '_'; break;
156 0 : case NS_VK_OPEN_PAREN: *aUnshiftedCharCode = '('; break;
157 0 : case NS_VK_CLOSE_PAREN: *aUnshiftedCharCode = ')'; break;
158 0 : case NS_VK_ASTERISK: *aUnshiftedCharCode = '*'; break;
159 0 : case NS_VK_PLUS: *aUnshiftedCharCode = '+'; break;
160 0 : case NS_VK_PIPE: *aUnshiftedCharCode = '|'; break;
161 0 : case NS_VK_HYPHEN_MINUS: *aUnshiftedCharCode = '-'; break;
162 0 : case NS_VK_OPEN_CURLY_BRACKET: *aUnshiftedCharCode = '{'; break;
163 0 : case NS_VK_CLOSE_CURLY_BRACKET: *aUnshiftedCharCode = '}'; break;
164 0 : case NS_VK_TILDE: *aUnshiftedCharCode = '~'; break;
165 0 : case NS_VK_COMMA: *aUnshiftedCharCode = ','; break;
166 0 : case NS_VK_PERIOD: *aUnshiftedCharCode = '.'; break;
167 0 : case NS_VK_SLASH: *aUnshiftedCharCode = '/'; break;
168 0 : case NS_VK_BACK_QUOTE: *aUnshiftedCharCode = '`'; break;
169 0 : case NS_VK_OPEN_BRACKET: *aUnshiftedCharCode = '['; break;
170 0 : case NS_VK_BACK_SLASH: *aUnshiftedCharCode = '\\'; break;
171 0 : case NS_VK_CLOSE_BRACKET: *aUnshiftedCharCode = ']'; break;
172 0 : case NS_VK_QUOTE: *aUnshiftedCharCode = '\''; break;
173 0 : default: *aUnshiftedCharCode = 0; break;
174 : }
175 : }
176 :
177 : } // namespace widget
178 : } // namespace mozilla
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