st-state.c

来自「linux下网络收音机的源码」· C语言 代码 · 共 66 行

/*
 * Copyright (c) 2002, 2003, 2004 Jean-Yves Lefort
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of Jean-Yves Lefort nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <gtk/gtk.h>
#include "st-thread.h"

/*** API implementation ******************************************************/

/**
 * st_is_aborted:
 *
 * Checks if the user has aborted the current task. Must only be called
 * from STHandlerReloadCallback(), STHandlerReloadMultipleCallback(),
 * STStreamResolveCallback(), STStreamTuneInCallback(),
 * STStreamRecordCallback(), STStreamBrowseCallback() or
 * STStreamTuneInMultipleCallback().
 *
 * Return value: %TRUE if the user has aborted the current task.
 **/
gboolean
st_is_aborted (void)
{
  gboolean aborted = FALSE;
  STThread *thread;

  thread = st_thread_get();
  if (thread)
    {
      aborted = st_thread_is_aborted(thread);
      GDK_THREADS_ENTER();
      st_thread_set_progress(thread, FALSE, -1);
      gdk_flush();
      GDK_THREADS_LEAVE();
    }
  
  return aborted;
}