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sn-item.c
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sn-item.c
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#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include <cairo-gobject.h>
#include <libxapp/xapp-status-icon.h>
#include <libxapp/xapp-util.h>
#include <libdbusmenu-gtk/menu.h>
#include "sn-item-interface.h"
#include "sn-item.h"
#define DEBUG_FLAG XAPP_DEBUG_SN_WATCHER
#include <libxapp/xapp-debug.h>
#define FALLBACK_ICON_SIZE 24
typedef enum
{
STATUS_PASSIVE,
STATUS_ACTIVE,
STATUS_NEEDS_ATTENTION
} Status;
typedef struct
{
gchar *id;
gchar *title;
gchar *status;
gchar *tooltip_heading;
gchar *tooltip_body;
gchar *menu_path;
gchar *icon_theme_path;
gchar *icon_name;
gchar *attention_icon_name;
gchar *overlay_icon_name;
gchar *icon_md5;
gchar *attention_icon_md5;
gchar *overlay_icon_md5;
cairo_surface_t *icon_surface;
cairo_surface_t *attention_icon_surface;
cairo_surface_t *overlay_icon_surface;
gboolean update_status;
gboolean update_tooltip;
gboolean update_menu;
gboolean update_icon;
gboolean update_id;
} SnItemPropertiesResult;
struct _SnItem
{
GObject parent_instance;
GDBusProxy *sn_item_proxy; // SnItemProxy
GDBusProxy *prop_proxy; // dbus properties (we can't trust SnItemProxy)
XAppStatusIcon *status_icon;
SnItemPropertiesResult *current_props;
GCancellable *cancellable;
Status status;
gchar *png_paths[2];
gint current_icon_id;
guint update_properties_timeout;
gchar *sortable_name;
gboolean should_activate;
gboolean should_replace_tooltip;
gboolean is_ai;
GtkWidget *menu;
};
G_DEFINE_TYPE (SnItem, sn_item, G_TYPE_OBJECT)
static void update_menu (SnItem *item, SnItemPropertiesResult *new_props);
static void update_status (SnItem *item, SnItemPropertiesResult *new_props);
static void update_tooltip (SnItem *item, SnItemPropertiesResult *new_props);
static void update_icon (SnItem *item, SnItemPropertiesResult *new_props);
static void assign_sortable_name (SnItem *item, const gchar *title);
static void
props_free (SnItemPropertiesResult *props)
{
if (props == NULL)
{
return;
}
g_free (props->id);
g_free (props->title);
g_free (props->status);
g_free (props->tooltip_heading);
g_free (props->tooltip_body);
g_free (props->menu_path);
g_free (props->icon_theme_path);
g_free (props->icon_name);
g_free (props->attention_icon_name);
g_free (props->overlay_icon_name);
g_free (props->icon_md5);
g_free (props->attention_icon_md5);
g_free (props->overlay_icon_md5);
cairo_surface_destroy (props->icon_surface);
cairo_surface_destroy (props->attention_icon_surface);
cairo_surface_destroy (props->overlay_icon_surface);
g_slice_free (SnItemPropertiesResult, props);
}
static gboolean
should_activate (SnItem *item)
{
gboolean should;
gchar **whitelist = g_settings_get_strv (xapp_settings,
WHITELIST_KEY);
should = g_strv_contains ((const gchar * const *) whitelist, item->sortable_name);
g_strfreev (whitelist);
return should;
}
static gboolean
should_replace_tooltip (SnItem *item)
{
gboolean should;
gchar **ids = g_settings_get_strv (xapp_settings,
REPLACE_TOOLTIP_KEY);
should = g_strv_contains ((const gchar * const *) ids, item->sortable_name);
g_strfreev (ids);
return should;
}
static void
update_conditionals (SnItem *item)
{
item->should_replace_tooltip = should_replace_tooltip (item);
item->should_activate = should_activate (item);
}
static void
sn_item_init (SnItem *self)
{
}
static void
sn_item_dispose (GObject *object)
{
SnItem *item = SN_ITEM (object);
DEBUG ("SnItem dispose (%p)", object);
g_clear_handle_id (&item->update_properties_timeout, g_source_remove);
g_clear_pointer (&item->sortable_name, g_free);
g_clear_object (&item->status_icon);
g_clear_object (&item->prop_proxy);
g_clear_object (&item->sn_item_proxy);
g_clear_object (&item->cancellable);
props_free (item->current_props);
G_OBJECT_CLASS (sn_item_parent_class)->dispose (object);
}
static void
sn_item_finalize (GObject *object)
{
DEBUG ("SnItem finalize (%p)", object);
SnItem *item = SN_ITEM (object);
g_unlink (item->png_paths[0]);
g_free (item->png_paths[0]);
g_unlink (item->png_paths[1]);
g_free (item->png_paths[1]);
G_OBJECT_CLASS (sn_item_parent_class)->finalize (object);
}
static void
sn_item_class_init (SnItemClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->dispose = sn_item_dispose;
gobject_class->finalize = sn_item_finalize;
}
static guint
lookup_ui_scale (void)
{
GdkScreen *screen;
GValue value = G_VALUE_INIT;
guint scale = 1;
g_value_init (&value, G_TYPE_UINT);
screen = gdk_screen_get_default ();
if (gdk_screen_get_setting (screen, "gdk-window-scaling-factor", &value))
{
scale = g_value_get_uint (&value);
}
return scale;
}
static gint
get_icon_id (SnItem *item)
{
item->current_icon_id = (!item->current_icon_id);
return item->current_icon_id;
}
static gchar *
get_temp_file (SnItem *item)
{
gchar *filename;
gchar *full_path;
filename = g_strdup_printf ("xapp-tmp-%p-%d.png", item, get_icon_id (item));
full_path = g_build_filename (xapp_get_tmp_dir (), filename, NULL);
g_free (filename);
return full_path;
}
static gint
get_icon_size (SnItem *item)
{
gint size = 0;
size = xapp_status_icon_get_icon_size (item->status_icon);
if (size > 0)
{
return size;
}
return FALLBACK_ICON_SIZE;
}
static cairo_surface_t *
surface_from_pixmap_data (gint width,
gint height,
guchar *data)
{
cairo_surface_t *surface;
GdkPixbuf *pixbuf;
gint rowstride, i;
guchar alpha;
surface = NULL;
rowstride = width * 4;
i = 0;
while (i < 4 * width * height)
{
alpha = data[i ];
data[i ] = data[i + 1];
data[i + 1] = data[i + 2];
data[i + 2] = data[i + 3];
data[i + 3] = alpha;
i += 4;
}
pixbuf = gdk_pixbuf_new_from_data (data,
GDK_COLORSPACE_RGB,
TRUE, 8,
width, height,
rowstride,
(GdkPixbufDestroyNotify) g_free,
NULL);
if (pixbuf)
{
guint scale = lookup_ui_scale ();
surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, scale, NULL);
g_object_unref (pixbuf);
return surface;
}
return NULL;
}
static cairo_surface_t *
get_icon_surface (SnItem *item,
GVariant *pixmaps,
gchar **md5)
{
GVariantIter *iter;
cairo_surface_t *surface;
gint width, height;
gint largest_width, largest_height;
gsize largest_data_size;
GVariant *byte_array_var;
gconstpointer data;
guchar *best_image_array = NULL;
largest_width = largest_height = 0;
*md5 = NULL;
g_variant_get (pixmaps, "a(iiay)", &iter);
if (iter == NULL)
{
return NULL;
}
while (g_variant_iter_loop (iter, "(ii@ay)", &width, &height, &byte_array_var))
{
if (width > 0 && height > 0 && byte_array_var != NULL &&
((width * height) > (largest_width * largest_height)))
{
gsize data_size = g_variant_get_size (byte_array_var);
if (data_size == width * height * 4)
{
data = g_variant_get_data (byte_array_var);
if (data != NULL)
{
if (best_image_array != NULL)
{
g_free (best_image_array);
}
best_image_array = g_memdup (data, data_size);
largest_data_size = data_size;
largest_width = width;
largest_height = height;
}
}
}
}
g_variant_iter_free (iter);
if (best_image_array == NULL)
{
return NULL;
}
surface = surface_from_pixmap_data (largest_width, largest_height, best_image_array);
*md5 = g_compute_checksum_for_data (G_CHECKSUM_MD5, best_image_array, largest_data_size);
if (cairo_surface_status (surface) != CAIRO_STATUS_SUCCESS)
{
cairo_surface_destroy (surface);
return NULL;
}
return surface;
}
static void
set_icon_from_pixmap (SnItem *item, SnItemPropertiesResult *new_props)
{
cairo_surface_t *surface;
DEBUG ("Trying to use icon pixmap for %s",
item->sortable_name);
surface = NULL;
if (item->status == STATUS_ACTIVE)
{
if (new_props->icon_surface)
{
surface = new_props->icon_surface;
}
}
else
if (item->status == STATUS_NEEDS_ATTENTION)
{
if (new_props->attention_icon_surface)
{
surface = new_props->attention_icon_surface;
}
else
if (new_props->icon_surface)
{
surface = new_props->icon_surface;
}
}
if (surface != NULL)
{
const gchar *current_png_path = item->png_paths[get_icon_id (item)];
cairo_status_t status = CAIRO_STATUS_SUCCESS;
status = cairo_surface_write_to_png (surface, current_png_path);
DEBUG ("Saving tmp image file for '%s' to '%s'", item->sortable_name, current_png_path);
if (status != CAIRO_STATUS_SUCCESS)
{
g_warning ("Failed to save png of status icon");
}
xapp_status_icon_set_icon_name (item->status_icon, current_png_path);
return;
}
DEBUG ("No pixmaps to use");
xapp_status_icon_set_icon_name (item->status_icon, "image-missing");
}
static gchar *
get_name_or_path_from_theme (SnItem *item,
const gchar *theme_path,
const gchar *icon_name)
{
GtkIconInfo *info;
gchar *filename;
const gchar *array[2];
gint host_icon_size;
array[0] = icon_name;
array[1] = NULL;
// We may have a theme path, but try the system theme first
GtkIconTheme *theme = gtk_icon_theme_get_default ();
host_icon_size = get_icon_size (item);
info = gtk_icon_theme_choose_icon_for_scale (theme,
array,
host_icon_size,
lookup_ui_scale (),
GTK_ICON_LOOKUP_FORCE_SVG | GTK_ICON_LOOKUP_FORCE_SYMBOLIC);
if (info != NULL)
{
// If the icon is found in the system theme, we can just pass along the icon name
// as is, this way symbolics work properly.
g_object_unref (info);
return g_strdup (icon_name);
}
if (theme_path != NULL)
{
// Make a temp theme based off of the provided path
GtkIconTheme *theme = gtk_icon_theme_new ();
gtk_icon_theme_prepend_search_path (theme, theme_path);
info = gtk_icon_theme_choose_icon_for_scale (theme,
array,
host_icon_size,
lookup_ui_scale (),
GTK_ICON_LOOKUP_FORCE_SVG | GTK_ICON_LOOKUP_FORCE_SYMBOLIC);
g_object_unref (theme);
}
if (info == NULL)
{
return NULL;
}
filename = g_strdup (gtk_icon_info_get_filename(info));
g_object_unref (info);
return filename;
}
static gboolean
set_icon_name (SnItem *item,
const gchar *icon_theme_path,
const gchar *icon_name)
{
DEBUG ("Checking for icon name for %s - theme path: '%s', icon name: '%s'",
item->sortable_name,
icon_theme_path,
icon_name);
if (icon_name == NULL)
{
return FALSE;
}
if (g_path_is_absolute (icon_name))
{
xapp_status_icon_set_icon_name (item->status_icon, icon_name);
return TRUE;
}
else
{
gchar *used_name = get_name_or_path_from_theme (item, icon_theme_path, icon_name);
if (used_name != NULL)
{
xapp_status_icon_set_icon_name (item->status_icon, used_name);
g_free (used_name);
return TRUE;
}
}
return FALSE;
}
static gboolean
set_icon_name_or_path (SnItem *item,
SnItemPropertiesResult *new_props)
{
const gchar *name_to_use = NULL;
// Set an icon here, even if we're passive (hidden) - eventually only the
// status property might change, but we wouldn't have an icon then (unless
// the app sets the icon at the same time).
if (item->status == STATUS_ACTIVE || item->status == STATUS_PASSIVE)
{
if (new_props->icon_name)
{
name_to_use = new_props->icon_name;
}
}
else
if (item->status == STATUS_NEEDS_ATTENTION)
{
if (new_props->attention_icon_name)
{
name_to_use = new_props->attention_icon_name;
}
else
if (new_props->icon_name)
{
name_to_use = new_props->icon_name;
}
}
return set_icon_name (item, new_props->icon_theme_path, name_to_use);
}
static void
update_icon (SnItem *item, SnItemPropertiesResult *new_props)
{
if (!set_icon_name_or_path (item, new_props))
{
set_icon_from_pixmap (item, new_props);
}
}
static void
update_menu (SnItem *item, SnItemPropertiesResult *new_props)
{
DEBUG ("Possible new menu for '%s' - current path: '%s', new: '%s'",
item->sortable_name, item->current_props->menu_path, new_props->menu_path);
xapp_status_icon_set_primary_menu (item->status_icon, NULL);
xapp_status_icon_set_secondary_menu (item->status_icon, NULL);
g_clear_object (&item->menu);
if (new_props->menu_path == NULL)
{
return;
}
if (g_strcmp0 (new_props->menu_path, "/NO_DBUSMENU") == 0)
{
DEBUG ("No menu set for '%s' (/NO_DBUSMENU)", item->sortable_name);
return;
}
item->menu = GTK_WIDGET (dbusmenu_gtkmenu_new ((gchar *) g_dbus_proxy_get_name (item->sn_item_proxy),
new_props->menu_path));
g_object_ref_sink (item->menu);
if (item->is_ai && !item->should_activate)
{
xapp_status_icon_set_primary_menu (item->status_icon, GTK_MENU (item->menu));
}
xapp_status_icon_set_secondary_menu (item->status_icon, GTK_MENU (item->menu));
}
static gchar *
capitalize (const gchar *string)
{
gchar *utf8;
gunichar first;
gchar *remaining;
gchar *ret;
utf8 = g_utf8_make_valid (string, -1);
first = g_utf8_get_char (utf8);
first = g_unichar_toupper (first);
remaining = g_utf8_substring (utf8, 1, g_utf8_strlen (utf8, -1));
ret = g_strdup_printf ("%s%s", (gchar *) &first, remaining);
g_free (utf8);
g_free (remaining);
return ret;
}
static void
update_tooltip (SnItem *item, SnItemPropertiesResult *new_props)
{
if (new_props->title)
{
assign_sortable_name (item, new_props->title);
}
if (!item->should_replace_tooltip)
{
if (new_props->tooltip_heading != NULL)
{
if (new_props->tooltip_body != NULL)
{
gchar *text;
text = g_strdup_printf ("%s\n%s",
new_props->tooltip_heading,
new_props->tooltip_body);
xapp_status_icon_set_tooltip_text (item->status_icon, text);
DEBUG ("Tooltip text for '%s' from ToolTip: %s",
item->sortable_name,
text);
g_free (text);
}
else
{
DEBUG ("Tooltip text for '%s' from ToolTip: %s",
item->sortable_name,
new_props->tooltip_heading);
xapp_status_icon_set_tooltip_text (item->status_icon, new_props->tooltip_heading);
}
return;
}
}
if (new_props->title != NULL)
{
gchar *capped_string;
capped_string = capitalize (new_props->title);
xapp_status_icon_set_tooltip_text (item->status_icon, capped_string);
DEBUG ("Tooltip text for '%s' from Title: %s",
item->sortable_name,
capped_string);
g_free (capped_string);
return;
}
xapp_status_icon_set_tooltip_text (item->status_icon, "");
}
static void
update_status (SnItem *item, SnItemPropertiesResult *new_props)
{
if (g_strcmp0 (new_props->status, "Passive") == 0)
{
item->status = STATUS_PASSIVE;
xapp_status_icon_set_visible (item->status_icon, FALSE);
}
else
if (g_strcmp0 (new_props->status, "NeedsAttention") == 0)
{
item->status = STATUS_NEEDS_ATTENTION;
xapp_status_icon_set_visible (item->status_icon, TRUE);
}
else
{
item->status = STATUS_ACTIVE;
xapp_status_icon_set_visible (item->status_icon, TRUE);
}
DEBUG ("Status for '%s' is now '%s'", item->sortable_name, new_props->status);
}
static gchar *
null_or_string_from_string (const gchar *str)
{
if (str != NULL && strlen(str) > 0)
{
return g_strdup (str);
}
else
{
return NULL;
}
}
static gchar *
null_or_string_from_variant (GVariant *variant)
{
const gchar *str;
str = g_variant_get_string (variant, NULL);
return null_or_string_from_string (str);
}
static void
get_all_properties_callback (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
SnItem *item = SN_ITEM (user_data);
SnItemPropertiesResult *new_props;
GError *error = NULL;
GVariant *properties;
GVariantIter *iter = NULL;
const gchar *name;
GVariant *value;
properties = g_dbus_proxy_call_finish (G_DBUS_PROXY (source_object), res, &error);
if (error != NULL)
{
if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED) &&
!g_error_matches (error, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD))
{
g_critical ("Could not get properties for %s: %s\n",
g_dbus_proxy_get_name (item->sn_item_proxy),
error->message);
}
g_error_free (error);
return;
}
if (properties == NULL)
{
return;
}
new_props = g_slice_new0 (SnItemPropertiesResult);
g_variant_get (properties, "(a{sv})", &iter);
while (g_variant_iter_loop (iter, "{&sv}", &name, &value))
{
if (g_strcmp0 (name, "Title") == 0)
{
new_props->title = null_or_string_from_variant (value);
if (g_strcmp0 (new_props->title, item->current_props->title) != 0)
{
new_props->update_tooltip = TRUE;
}
}
else
if (g_strcmp0 (name, "Status") == 0)
{
new_props->status = null_or_string_from_variant (value);
if (g_strcmp0 (new_props->status, item->current_props->status) != 0)
{
new_props->update_status = TRUE;
}
}
else
if (g_strcmp0 (name, "ToolTip") == 0)
{
const gchar *ts;
ts = g_variant_get_type_string (value);
if (g_strcmp0 (ts, "(sa(iiay)ss)") == 0)
{
gchar *heading, *body;
g_variant_get (value, "(sa(iiay)ss)", NULL, NULL,
&heading,
&body);
new_props->tooltip_heading = null_or_string_from_string (heading);
new_props->tooltip_body = null_or_string_from_string (body);
g_free (heading);
g_free (body);
}
else
if (g_strcmp0 (ts, "s") == 0)
{
new_props->tooltip_body = null_or_string_from_variant (value);
}
if (g_strcmp0 (new_props->tooltip_heading, item->current_props->tooltip_heading) != 0 ||
g_strcmp0 (new_props->tooltip_body, item->current_props->tooltip_body) != 0)
{
new_props->update_tooltip = TRUE;
}
}
else
if (g_strcmp0 (name, "Menu") == 0)
{
new_props->menu_path = null_or_string_from_variant (value);
if (g_strcmp0 (new_props->menu_path, item->current_props->menu_path) != 0)
{
new_props->update_menu = TRUE;
}
}
else
if (g_strcmp0 (name, "IconThemePath") == 0)
{
new_props->icon_theme_path = null_or_string_from_variant (value);
if (g_strcmp0 (new_props->icon_theme_path, item->current_props->icon_theme_path) != 0)
{
new_props->update_icon = TRUE;
}
}
else
if (g_strcmp0 (name, "IconName") == 0)
{
new_props->icon_name = null_or_string_from_variant (value);
if (g_strcmp0 (new_props->icon_name, item->current_props->icon_name) != 0)
{
new_props->update_icon = TRUE;
}
}
else
if (g_strcmp0 (name, "IconPixmap") == 0)
{
new_props->icon_surface = get_icon_surface (item, value, &new_props->icon_md5);
if (g_strcmp0 (new_props->icon_md5, item->current_props->icon_md5) != 0)
{
new_props->update_icon = TRUE;
}
}
else
if (g_strcmp0 (name, "AttentionIconName") == 0)
{
new_props->attention_icon_name = null_or_string_from_variant (value);
if (g_strcmp0 (new_props->attention_icon_name, item->current_props->attention_icon_name) != 0)
{
new_props->update_icon = TRUE;
}
}
else
if (g_strcmp0 (name, "AttentionIconPixmap") == 0)
{
new_props->attention_icon_surface = get_icon_surface (item, value, &new_props->attention_icon_md5);
if (g_strcmp0 (new_props->attention_icon_md5, item->current_props->attention_icon_md5) != 0)
{
new_props->update_icon = TRUE;
}
}
else
if (g_strcmp0 (name, "OverlayIconName") == 0)
{
new_props->overlay_icon_name = null_or_string_from_variant (value);
if (g_strcmp0 (new_props->overlay_icon_name, item->current_props->overlay_icon_name) != 0)
{
new_props->update_icon = TRUE;
}
}
else
if (g_strcmp0 (name, "OverlayIconPixmap") == 0)
{
new_props->overlay_icon_surface = get_icon_surface (item, value, &new_props->overlay_icon_md5);
if (g_strcmp0 (new_props->overlay_icon_md5, item->current_props->overlay_icon_md5) != 0)
{
new_props->update_icon = TRUE;
}
}
if (g_strcmp0 (name, "Id") == 0)
{
new_props->id = null_or_string_from_variant (value);
if (g_strcmp0 (new_props->id, item->current_props->id) != 0)
{
new_props->update_id = TRUE;
}
}
}
g_variant_iter_free (iter);
g_variant_unref (properties);
if (new_props->update_status)
{
update_status (item, new_props);
}
if (new_props->update_tooltip)
{
update_tooltip (item, new_props);
}
if (new_props->update_menu)
{
update_menu (item, new_props);
}
if (new_props->update_icon || new_props->update_status)
{
update_icon (item, new_props);
}
if ((new_props->update_id || new_props->update_status) && !new_props->update_tooltip)
{
assign_sortable_name (item, new_props->id);
}
props_free (item->current_props);
item->current_props = new_props;
}
static gboolean
update_all_properties (gpointer data)
{
SnItem *item = SN_ITEM (data);
g_dbus_proxy_call (item->prop_proxy,
"GetAll",
g_variant_new ("(s)",
g_dbus_proxy_get_interface_name (item->sn_item_proxy)),
G_DBUS_CALL_FLAGS_NONE,
5 * 1000,
item->cancellable,
get_all_properties_callback,
item);
item->update_properties_timeout = 0;
return G_SOURCE_REMOVE;
}
static void
queue_update_properties (SnItem *item, gboolean force)
{
if (item->update_properties_timeout > 0)
{
g_source_remove (item->update_properties_timeout);
}
if (force)
{
props_free (item->current_props);
item->current_props = g_slice_new0 (SnItemPropertiesResult);
}
item->update_properties_timeout = g_timeout_add (10, G_SOURCE_FUNC (update_all_properties), item);
}
static void
sn_signal_received (GDBusProxy *sn_item_proxy,
const gchar *sender_name,
const gchar *signal_name,
GVariant *parameters,
gpointer user_data)
{
SnItem *item = SN_ITEM (user_data);
if (item->prop_proxy == NULL)
{
return;
}
DEBUG ("Signal received from StatusNotifierItem: %s", signal_name);
if (g_strcmp0 (signal_name, "NewIcon") == 0 ||
g_strcmp0 (signal_name, "Id") == 0 ||
g_strcmp0 (signal_name, "NewAttentionIcon") == 0 ||
g_strcmp0 (signal_name, "NewOverlayIcon") == 0 ||
g_strcmp0 (signal_name, "NewToolTip") == 0 ||
g_strcmp0 (signal_name, "NewTitle") == 0 ||
g_strcmp0 (signal_name, "NewStatus") == 0 ||
g_strcmp0 (signal_name, "NewMenu") == 0)