LXR qemu/ui/clipboard.c

   1#include "qemu/osdep.h"
   2#include "ui/clipboard.h"
   3
   4static NotifierList clipboard_notifiers =
   5    NOTIFIER_LIST_INITIALIZER(clipboard_notifiers);
   6
   7void qemu_clipboard_peer_register(QemuClipboardPeer *peer)
   8{
   9    notifier_list_add(&clipboard_notifiers, &peer->update);
  10}
  11
  12void qemu_clipboard_peer_unregister(QemuClipboardPeer *peer)
  13{
  14    notifier_remove(&peer->update);
  15}
  16
  17void qemu_clipboard_update(QemuClipboardInfo *info)
  18{
  19    notifier_list_notify(&clipboard_notifiers, info);
  20}
  21
  22QemuClipboardInfo *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
  34QemuClipboardInfo *qemu_clipboard_info_ref(QemuClipboardInfo *info)
  35{
  36    info->refcount++;
  37    return info;
  38}
  39
  40void 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
  59void 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
  72void qemu_clipboard_set_data(QemuClipboardPeer *peer,
  73                             QemuClipboardInfo *info,
  74                             QemuClipboardType type,
  75                             uint32_t size,
  76                             const 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