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Commit | Line | Data |
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660e8d0f GH |
1 | #include "qemu/osdep.h" |
2 | #include "ui/clipboard.h" | |
3 | ||
4 | static NotifierList clipboard_notifiers = | |
5 | NOTIFIER_LIST_INITIALIZER(clipboard_notifiers); | |
6 | ||
684e64d3 MAL |
7 | static QemuClipboardInfo *cbinfo[QEMU_CLIPBOARD_SELECTION__COUNT]; |
8 | ||
660e8d0f GH |
9 | void qemu_clipboard_peer_register(QemuClipboardPeer *peer) |
10 | { | |
1b17f1e9 | 11 | notifier_list_add(&clipboard_notifiers, &peer->notifier); |
660e8d0f GH |
12 | } |
13 | ||
14 | void qemu_clipboard_peer_unregister(QemuClipboardPeer *peer) | |
15 | { | |
7424bfaa MAL |
16 | int i; |
17 | ||
18 | for (i = 0; i < QEMU_CLIPBOARD_SELECTION__COUNT; i++) { | |
19 | qemu_clipboard_peer_release(peer, i); | |
20 | } | |
1b17f1e9 | 21 | notifier_remove(&peer->notifier); |
660e8d0f GH |
22 | } |
23 | ||
482bbaf4 MAL |
24 | bool qemu_clipboard_peer_owns(QemuClipboardPeer *peer, |
25 | QemuClipboardSelection selection) | |
26 | { | |
27 | QemuClipboardInfo *info = qemu_clipboard_info(selection); | |
28 | ||
29 | return info && info->owner == peer; | |
30 | } | |
31 | ||
1387865e MAL |
32 | void qemu_clipboard_peer_release(QemuClipboardPeer *peer, |
33 | QemuClipboardSelection selection) | |
34 | { | |
35 | g_autoptr(QemuClipboardInfo) info = NULL; | |
36 | ||
37 | if (qemu_clipboard_peer_owns(peer, selection)) { | |
38 | /* set empty clipboard info */ | |
39 | info = qemu_clipboard_info_new(NULL, selection); | |
40 | qemu_clipboard_update(info); | |
41 | } | |
42 | } | |
43 | ||
349504e5 MAL |
44 | bool qemu_clipboard_check_serial(QemuClipboardInfo *info, bool client) |
45 | { | |
46 | if (!info->has_serial || | |
47 | !cbinfo[info->selection] || | |
48 | !cbinfo[info->selection]->has_serial) { | |
49 | return true; | |
50 | } | |
51 | ||
52 | if (client) { | |
53 | return cbinfo[info->selection]->serial >= info->serial; | |
54 | } else { | |
55 | return cbinfo[info->selection]->serial > info->serial; | |
56 | } | |
57 | } | |
58 | ||
660e8d0f GH |
59 | void qemu_clipboard_update(QemuClipboardInfo *info) |
60 | { | |
1b17f1e9 MAL |
61 | QemuClipboardNotify notify = { |
62 | .type = QEMU_CLIPBOARD_UPDATE_INFO, | |
63 | .info = info, | |
64 | }; | |
684e64d3 MAL |
65 | assert(info->selection < QEMU_CLIPBOARD_SELECTION__COUNT); |
66 | ||
1b17f1e9 | 67 | notifier_list_notify(&clipboard_notifiers, ¬ify); |
684e64d3 | 68 | |
02a8ee2e MAL |
69 | if (cbinfo[info->selection] != info) { |
70 | qemu_clipboard_info_unref(cbinfo[info->selection]); | |
71 | cbinfo[info->selection] = qemu_clipboard_info_ref(info); | |
72 | } | |
684e64d3 MAL |
73 | } |
74 | ||
75 | QemuClipboardInfo *qemu_clipboard_info(QemuClipboardSelection selection) | |
76 | { | |
77 | assert(selection < QEMU_CLIPBOARD_SELECTION__COUNT); | |
78 | ||
79 | return cbinfo[selection]; | |
660e8d0f GH |
80 | } |
81 | ||
82 | QemuClipboardInfo *qemu_clipboard_info_new(QemuClipboardPeer *owner, | |
83 | QemuClipboardSelection selection) | |
84 | { | |
85 | QemuClipboardInfo *info = g_new0(QemuClipboardInfo, 1); | |
86 | ||
87 | info->owner = owner; | |
88 | info->selection = selection; | |
89 | info->refcount = 1; | |
90 | ||
91 | return info; | |
92 | } | |
93 | ||
94 | QemuClipboardInfo *qemu_clipboard_info_ref(QemuClipboardInfo *info) | |
95 | { | |
96 | info->refcount++; | |
97 | return info; | |
98 | } | |
99 | ||
100 | void qemu_clipboard_info_unref(QemuClipboardInfo *info) | |
101 | { | |
102 | uint32_t type; | |
103 | ||
104 | if (!info) { | |
105 | return; | |
106 | } | |
107 | ||
108 | info->refcount--; | |
109 | if (info->refcount > 0) { | |
110 | return; | |
111 | } | |
112 | ||
113 | for (type = 0; type < QEMU_CLIPBOARD_TYPE__COUNT; type++) { | |
114 | g_free(info->types[type].data); | |
115 | } | |
116 | g_free(info); | |
117 | } | |
118 | ||
119 | void qemu_clipboard_request(QemuClipboardInfo *info, | |
120 | QemuClipboardType type) | |
121 | { | |
122 | if (info->types[type].data || | |
123 | info->types[type].requested || | |
124 | !info->types[type].available || | |
125 | !info->owner) | |
126 | return; | |
127 | ||
128 | info->types[type].requested = true; | |
129 | info->owner->request(info, type); | |
130 | } | |
131 | ||
505dbf9b MAL |
132 | void qemu_clipboard_reset_serial(void) |
133 | { | |
134 | QemuClipboardNotify notify = { .type = QEMU_CLIPBOARD_RESET_SERIAL }; | |
135 | ||
136 | notifier_list_notify(&clipboard_notifiers, ¬ify); | |
137 | } | |
138 | ||
660e8d0f GH |
139 | void qemu_clipboard_set_data(QemuClipboardPeer *peer, |
140 | QemuClipboardInfo *info, | |
141 | QemuClipboardType type, | |
142 | uint32_t size, | |
7e3e20d8 | 143 | const void *data, |
660e8d0f GH |
144 | bool update) |
145 | { | |
146 | if (!info || | |
147 | info->owner != peer) { | |
148 | return; | |
149 | } | |
150 | ||
151 | g_free(info->types[type].data); | |
152 | info->types[type].data = g_memdup(data, size); | |
153 | info->types[type].size = size; | |
154 | info->types[type].available = true; | |
155 | ||
156 | if (update) { | |
157 | qemu_clipboard_update(info); | |
158 | } | |
159 | } |