shared_data.c

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#include "config.h"
#include <stdbool.h>
#include "mutt/lib.h"
#include "email/lib.h"
#include "core/lib.h"
#include "shared_data.h"
#include "lib.h"
#include "pattern/lib.h"
#include "mview.h"
 
static int index_shared_mview_observer(struct NotifyCallback *nc)
{
  if (nc->event_type != NT_MVIEW)
    return 0;
  if (!nc->global_data || !nc->event_data)
    return -1;
  if (nc->event_subtype == NT_MVIEW_ADD)
    return 0;
 
  struct EventMview *ev_m = nc->event_data;
  struct IndexSharedData *shared = nc->global_data;
  if (ev_m->mv != shared->mailbox_view)
    return 0;
 
  if (nc->event_subtype == NT_MVIEW_DELETE)
    shared->mailbox_view = NULL;
 
  mutt_debug(LL_NOTIFY, "relay NT_MVIEW to shared data observers\n");
  notify_send(shared->notify, nc->event_type, nc->event_subtype, nc->event_data);
  return 0;
}
 
static int index_shared_account_observer(struct NotifyCallback *nc)
{
  if (nc->event_type != NT_ACCOUNT)
    return 0;
  if (!nc->global_data || !nc->event_data)
    return -1;
  if (nc->event_subtype == NT_ACCOUNT_ADD)
    return 0;
 
  struct EventAccount *ev_a = nc->event_data;
  struct IndexSharedData *shared = nc->global_data;
  if (ev_a->account != shared->account)
    return 0;
 
  if (nc->event_subtype == NT_ACCOUNT_DELETE)
    shared->account = NULL;
 
  mutt_debug(LL_NOTIFY, "relay NT_ACCOUNT to shared data observers\n");
  notify_send(shared->notify, nc->event_type, nc->event_subtype, nc->event_data);
  return 0;
}
 
static int index_shared_mailbox_observer(struct NotifyCallback *nc)
{
  if (nc->event_type != NT_MAILBOX)
    return 0;
  if (!nc->global_data || !nc->event_data)
    return -1;
  if (nc->event_subtype == NT_MAILBOX_ADD)
    return 0;
 
  struct EventMailbox *ev_m = nc->event_data;
  struct IndexSharedData *shared = nc->global_data;
  if (ev_m->mailbox != shared->mailbox)
    return 0;
 
  if (nc->event_subtype == NT_MAILBOX_DELETE)
    shared->mailbox = NULL;
 
  mutt_debug(LL_NOTIFY, "relay NT_MAILBOX to shared data observers\n");
  notify_send(shared->notify, nc->event_type, nc->event_subtype, nc->event_data);
  return 0;
}
 
static int index_shared_email_observer(struct NotifyCallback *nc)
{
  if (nc->event_type != NT_EMAIL)
    return 0;
  if (!nc->global_data || !nc->event_data)
    return -1;
  if (nc->event_subtype == NT_EMAIL_ADD)
    return 0;
 
  struct EventEmail *ev_e = nc->event_data;
  struct IndexSharedData *shared = nc->global_data;
  bool match = false;
  for (int i = 0; i < ev_e->num_emails; i++)
  {
    if (ev_e->emails[i] == shared->email)
    {
      match = true;
      break;
    }
  }
 
  if (!match)
    return 0;
 
  if (nc->event_subtype == NT_EMAIL_DELETE)
  {
    shared->email = NULL;
    mutt_debug(LL_NOTIFY, "NT_INDEX_EMAIL: %p\n", (void *) shared->email);
    notify_send(shared->notify, NT_INDEX, NT_INDEX_EMAIL, shared);
  }
 
  mutt_debug(LL_NOTIFY, "relay NT_EMAIL %p to shared data observers\n",
             (void *) shared->email);
  notify_send(shared->notify, nc->event_type, nc->event_subtype, nc->event_data);
  return 0;
}
 
void index_shared_data_set_mview(struct IndexSharedData *shared, struct MailboxView *mv)
{
  if (!shared)
    return;
 
  NotifyIndex subtype = NT_INDEX_NO_FLAGS;
 
  if (shared->mailbox_view != mv)
  {
    if (shared->mailbox_view)
    {
      notify_observer_remove(shared->mailbox_view->notify,
                             index_shared_mview_observer, shared);
    }
 
    shared->mailbox_view = mv;
    subtype |= NT_INDEX_MVIEW;
 
    if (mv)
      notify_observer_add(mv->notify, NT_MVIEW, index_shared_mview_observer, shared);
  }
 
  struct Mailbox *m = mview_mailbox(mv);
  if (shared->mailbox != m)
  {
    if (shared->mailbox)
      notify_observer_remove(shared->mailbox->notify, index_shared_mailbox_observer, shared);
 
    shared->mailbox = m;
    shared->email = NULL;
    shared->email_seq = 0;
    subtype |= NT_INDEX_MAILBOX | NT_INDEX_EMAIL;
 
    if (m)
      notify_observer_add(m->notify, NT_MAILBOX, index_shared_mailbox_observer, shared);
  }
 
  struct Account *a = m ? m->account : NULL;
  if (shared->account != a)
  {
    if (shared->account)
      notify_observer_remove(shared->account->notify, index_shared_account_observer, shared);
 
    shared->account = a;
    subtype |= NT_INDEX_ACCOUNT;
 
    if (a)
      notify_observer_add(a->notify, NT_ACCOUNT, index_shared_account_observer, shared);
  }
 
  struct ConfigSubset *sub = NeoMutt->sub;
#if 0
  if (m)
    sub = m->sub;
  else if (a)
    sub = a->sub;
#endif
  if (shared->sub != sub)
  {
    shared->sub = sub;
    subtype |= NT_INDEX_SUBSET;
  }
 
  if (subtype != NT_INDEX_NO_FLAGS)
  {
    mutt_debug(LL_NOTIFY, "NT_INDEX: %p\n", (void *) shared);
    notify_send(shared->notify, NT_INDEX, subtype, shared);
  }
}
 
void index_shared_data_set_email(struct IndexSharedData *shared, struct Email *e)
{
  if (!shared)
    return;
 
  size_t seq = e ? e->sequence : 0;
  if ((shared->email != e) || (shared->email_seq != seq))
  {
    if (shared->email)
      notify_observer_remove(shared->email->notify, index_shared_email_observer, shared);
 
    shared->email = e;
    shared->email_seq = seq;
 
    if (e)
      notify_observer_add(e->notify, NT_EMAIL, index_shared_email_observer, shared);
 
    mutt_debug(LL_NOTIFY, "NT_INDEX_EMAIL: %p\n", (void *) shared->email);
    notify_send(shared->notify, NT_INDEX, NT_INDEX_EMAIL, shared);
  }
}
 
bool index_shared_data_is_cur_email(const struct IndexSharedData *shared,
                                    const struct Email *e)
{
  if (!shared)
    return false;
 
  return shared->email_seq == e->sequence;
}
 
void index_shared_data_free(struct MuttWindow *win, void **ptr)
{
  if (!ptr || !*ptr)
    return;
 
  struct IndexSharedData *shared = *ptr;
 
  mutt_debug(LL_NOTIFY, "NT_INDEX_DELETE: %p\n", (void *) shared);
  notify_send(shared->notify, NT_INDEX, NT_INDEX_DELETE, shared);
  notify_free(&shared->notify);
 
  if (shared->account)
    notify_observer_remove(shared->account->notify, index_shared_account_observer, shared);
  if (shared->mailbox_view)
    notify_observer_remove(shared->mailbox_view->notify, index_shared_mview_observer, shared);
  if (shared->mailbox)
    notify_observer_remove(shared->mailbox->notify, index_shared_mailbox_observer, shared);
  if (shared->email)
    notify_observer_remove(shared->email->notify, index_shared_email_observer, shared);
 
  search_state_free(&shared->search_state);
 
  FREE(ptr);
}
 
struct IndexSharedData *index_shared_data_new(void)
{
  struct IndexSharedData *shared = MUTT_MEM_CALLOC(1, struct IndexSharedData);
 
  shared->notify = notify_new();
  shared->sub = NeoMutt->sub;
  shared->search_state = search_state_new();
 
  mutt_debug(LL_NOTIFY, "NT_INDEX_ADD: %p\n", (void *) shared);
  notify_send(shared->notify, NT_INDEX, NT_INDEX_ADD, shared);
 
  return shared;
}