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-rw-r--r--src/ClientIdle.cxx75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/ClientIdle.cxx b/src/ClientIdle.cxx
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+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "ClientInternal.hxx"
+#include "Idle.hxx"
+
+#include <assert.h>
+
+void
+Client::IdleNotify()
+{
+ assert(idle_waiting);
+ assert(idle_flags != 0);
+
+ unsigned flags = idle_flags;
+ idle_flags = 0;
+ idle_waiting = false;
+
+ const char *const*idle_names = idle_get_names();
+ for (unsigned i = 0; idle_names[i]; ++i) {
+ if (flags & (1 << i) & idle_subscriptions)
+ client_printf(this, "changed: %s\n",
+ idle_names[i]);
+ }
+
+ client_puts(this, "OK\n");
+
+ TimeoutMonitor::ScheduleSeconds(client_timeout);
+}
+
+void
+Client::IdleAdd(unsigned flags)
+{
+ if (IsExpired())
+ return;
+
+ idle_flags |= flags;
+ if (idle_waiting && (idle_flags & idle_subscriptions))
+ IdleNotify();
+}
+
+bool
+Client::IdleWait(unsigned flags)
+{
+ assert(!idle_waiting);
+
+ idle_waiting = true;
+ idle_subscriptions = flags;
+
+ if (idle_flags & idle_subscriptions) {
+ IdleNotify();
+ return true;
+ } else {
+ /* disable timeouts while in "idle" */
+ TimeoutMonitor::Cancel();
+ return false;
+ }
+}