1 #include "qemu/osdep.h" 2 #include "ui/clipboard.h" 3 4 static NotifierList clipboard_notifiers = 5 NOTIFIER_LIST_INITIALIZER(clipboard_notifiers); 6 7 void qemu_clipboard_peer_register(QemuClipboardPeer *peer) 8 { 9 notifier_list_add(&clipboard_notifiers, &peer->update); 10 } 11 12 void qemu_clipboard_peer_unregister(QemuClipboardPeer *peer) 13 { 14 notifier_remove(&peer->update); 15 } 16 17 void qemu_clipboard_update(QemuClipboardInfo *info) 18 { 19 notifier_list_notify(&clipboard_notifiers, info); 20 } 21 22 QemuClipboardInfo *qemu_clipboard_info_new(QemuClipboardPeer *owner, 23 QemuClipboardSelection selection) 24 { 25 QemuClipboardInfo *info = g_new0(QemuClipboardInfo, 1); 26 27 info->owner = owner; 28 info->selection = selection; 29 info->refcount = 1; 30 31 return info; 32 } 33 34 QemuClipboardInfo *qemu_clipboard_info_ref(QemuClipboardInfo *info) 35 { 36 info->refcount++; 37 return info; 38 } 39 40 void qemu_clipboard_info_unref(QemuClipboardInfo *info) 41 { 42 uint32_t type; 43 44 if (!info) { 45 return; 46 } 47 48 info->refcount--; 49 if (info->refcount > 0) { 50 return; 51 } 52 53 for (type = 0; type < QEMU_CLIPBOARD_TYPE__COUNT; type++) { 54 g_free(info->types[type].data); 55 } 56 g_free(info); 57 } 58 59 void qemu_clipboard_request(QemuClipboardInfo *info, 60 QemuClipboardType type) 61 { 62 if (info->types[type].data || 63 info->types[type].requested || 64 !info->types[type].available || 65 !info->owner) 66 return; 67 68 info->types[type].requested = true; 69 info->owner->request(info, type); 70 } 71 72 void qemu_clipboard_set_data(QemuClipboardPeer *peer, 73 QemuClipboardInfo *info, 74 QemuClipboardType type, 75 uint32_t size, 76 void *data, 77 bool update) 78 { 79 if (!info || 80 info->owner != peer) { 81 return; 82 } 83 84 g_free(info->types[type].data); 85 info->types[type].data = g_memdup(data, size); 86 info->types[type].size = size; 87 info->types[type].available = true; 88 89 if (update) { 90 qemu_clipboard_update(info); 91 } 92 } 93