transmission/gtk/tr-icon.c

/*
 * This file Copyright (C) Mnemosyne LLC
 *
 * This file is licensed by the GPL version 2. Works owned by the
 * Transmission project are granted a special exemption to clause 2 (b)
 * so that the bulk of its code can remain under the MIT license.
 * This exemption does not extend to derived works not owned by
 * the Transmission project.
 *
 * $Id$
 */

#include <glib/gi18n.h>
#include <gtk/gtk.h>
#ifdef HAVE_LIBAPPINDICATOR
 #include <libappindicator/app-indicator.h>
#endif
#include <libtransmission/transmission.h>
#include <libtransmission/utils.h>
#include "actions.h"
#include "tr-icon.h"
#include "util.h"

static GQuark
get_core_quark (void)
{
    static GQuark quark = 0;
    if (!quark) quark = g_quark_from_static_string ("tr-core");
    return quark;
}

#define ICON_NAME "transmission"

#ifdef HAVE_LIBAPPINDICATOR
void
gtr_icon_refresh (gpointer vindicator UNUSED)
{
}
#else
static void
activated (GtkStatusIcon * self UNUSED, gpointer user_data UNUSED)
{
    gtr_action_activate ("toggle-main-window");
}

static void
popup (GtkStatusIcon *       self,
       guint                 button,
       guint                 when,
       gpointer         data UNUSED)
{
    GtkWidget * w = gtr_action_get_widget ("/icon-popup");

    gtk_menu_popup (GTK_MENU (w), NULL, NULL,
                     gtk_status_icon_position_menu,
                     self, button, when);
}

void
gtr_icon_refresh (gpointer vicon)
{
    double KBps;
    double limit;
    char up[64];
    char upLimit[64];
    char down[64];
    char downLimit[64];
    char tip[1024];
    const char * idle = _("Idle");
    GtkStatusIcon * icon = GTK_STATUS_ICON (vicon);
    tr_session * session = gtr_core_session (g_object_get_qdata (G_OBJECT (icon), get_core_quark ()));

    /* up */
    KBps = tr_sessionGetRawSpeed_KBps (session, TR_UP);
    if (KBps < 0.001)
        g_strlcpy (up, idle, sizeof (up));
    else
        tr_formatter_speed_KBps (up, KBps, sizeof (up));

    /* up limit */
    if (!tr_sessionGetActiveSpeedLimit_KBps (session, TR_UP, &limit))
        *upLimit = '\0';
    else {
        char buf[64];
        tr_formatter_speed_KBps (buf, limit, sizeof (buf));
        g_snprintf (upLimit, sizeof (upLimit), _(" (Limit: %s)"), buf);
    }

    /* down */
    KBps = tr_sessionGetRawSpeed_KBps (session, TR_DOWN);
    if (KBps < 0.001)
        g_strlcpy (down, idle, sizeof (down));
    else
        tr_formatter_speed_KBps (down, KBps, sizeof (down));

    /* down limit */
    if (!tr_sessionGetActiveSpeedLimit_KBps (session, TR_DOWN, &limit))
        *downLimit = '\0';
    else {
        char buf[64];
        tr_formatter_speed_KBps (buf, limit, sizeof (buf));
        g_snprintf (downLimit, sizeof (downLimit), _(" (Limit: %s)"), buf);
    }

    /* %1$s: current upload speed
     * %2$s: current upload limit, if any
     * %3$s: current download speed
     * %4$s: current download limit, if any */
    g_snprintf (tip, sizeof (tip), _("Transmission\nUp: %1$s %2$s\nDown: %3$s %4$s"), up, upLimit, down, downLimit);

    gtk_status_icon_set_tooltip_text (GTK_STATUS_ICON (icon), tip);
}
#endif

static const char *
getIconName (void)
{
    const char * icon_name;

    GtkIconTheme * theme = gtk_icon_theme_get_default ();

    /* if the tray's icon is a 48x48 file, use it;
     * otherwise, use the fallback builtin icon */
    if (!gtk_icon_theme_has_icon (theme, TRAY_ICON))
        icon_name = ICON_NAME;
    else {
        GtkIconInfo * icon_info = gtk_icon_theme_lookup_icon (theme, TRAY_ICON, 48, GTK_ICON_LOOKUP_USE_BUILTIN);
        const gboolean icon_is_builtin = gtk_icon_info_get_filename (icon_info) == NULL;
        gtk_icon_info_free (icon_info);
        icon_name = icon_is_builtin ? ICON_NAME : TRAY_ICON;
    }

    return icon_name;
}

gpointer
gtr_icon_new (TrCore * core)
{
#ifdef HAVE_LIBAPPINDICATOR
    GtkWidget * w;
    const char * icon_name = getIconName ();
    AppIndicator * indicator = app_indicator_new (ICON_NAME, icon_name, APP_INDICATOR_CATEGORY_SYSTEM_SERVICES);
    app_indicator_set_status (indicator, APP_INDICATOR_STATUS_ACTIVE);
    w = gtr_action_get_widget ("/icon-popup");
    app_indicator_set_menu (indicator, GTK_MENU (w));
    app_indicator_set_title (indicator, g_get_application_name ());
    g_object_set_qdata (G_OBJECT (indicator), get_core_quark (), core);
    return indicator;
#else
    const char * icon_name = getIconName ();
    GtkStatusIcon * icon = gtk_status_icon_new_from_icon_name (icon_name);
    g_signal_connect (icon, "activate", G_CALLBACK (activated), NULL);
    g_signal_connect (icon, "popup-menu", G_CALLBACK (popup), NULL);
    g_object_set_qdata (G_OBJECT (icon), get_core_quark (), core);
    return icon;
#endif
}