application monitoring base object

The new ShellAppMonitor object is responsible for tracking active applications and store statistics.

http://bugzilla.gnome.org/show_bug.cgi?id=570899
This commit is contained in:
Milan Bouchet-Valat 2009-04-23 23:03:34 +02:00 committed by Colin Walters
parent 17a4a3a949
commit f4f92a879c
5 changed files with 1020 additions and 7 deletions

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@ -38,7 +38,7 @@ fi
AM_CONDITIONAL(BUILD_RECORDER, $build_recorder) AM_CONDITIONAL(BUILD_RECORDER, $build_recorder)
PKG_CHECK_MODULES(MUTTER_PLUGIN, gtk+-2.0 dbus-glib-1 metacity-plugins gjs-gi-1.0 libgnome-menu gdk-x11-2.0 clutter-x11-0.9 clutter-glx-0.9 $recorder_modules) PKG_CHECK_MODULES(MUTTER_PLUGIN, gtk+-2.0 dbus-glib-1 metacity-plugins gjs-gi-1.0 xscrnsaver libgnome-menu $recorder_modules gdk-x11-2.0 clutter-x11-0.9 clutter-glx-0.9)
PKG_CHECK_MODULES(TIDY, clutter-0.9) PKG_CHECK_MODULES(TIDY, clutter-0.9)
PKG_CHECK_MODULES(BIG, clutter-0.9 gtk+-2.0 librsvg-2.0) PKG_CHECK_MODULES(BIG, clutter-0.9 gtk+-2.0 librsvg-2.0)
PKG_CHECK_MODULES(GDMUSER, dbus-glib-1 gtk+-2.0) PKG_CHECK_MODULES(GDMUSER, dbus-glib-1 gtk+-2.0)

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@ -49,6 +49,8 @@ CLEANFILES += $(SHELL_STAMP_FILES)
libgnome_shell_la_SOURCES = \ libgnome_shell_la_SOURCES = \
$(shell_built_sources) \ $(shell_built_sources) \
gnome-shell-plugin.c \ gnome-shell-plugin.c \
shell-app-monitor.c \
shell-app-monitor.h \
shell-app-system.c \ shell-app-system.c \
shell-app-system.h \ shell-app-system.h \
shell-arrow.c \ shell-arrow.c \

966
src/shell-app-monitor.c Normal file
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@ -0,0 +1,966 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
#include <string.h>
#include <stdlib.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/extensions/scrnsaver.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include <gio/gio.h>
#include "shell-app-monitor.h"
#include "shell-global.h"
/* This file includes modified code from
* desktop-data-engine/engine-dbus/hippo-application-monitor.c
* in the functions collecting application usage data.
* Written by Owen Taylor, originally licensed under LGPL 2.1.
* Copyright Red Hat, Inc. 2006-2008
*/
/* Data is saved to file SHELL_CONFIG_DIR/DATA_FILENAME */
#define DATA_FILENAME "applications_usage"
/* How often we save internally app data, in seconds */
#define SAVE_APPS_TIMEOUT 3600 /* One hour */
/* How often we save internally app data in burst mode */
#define SAVE_APPS_BURST_TIMEOUT 120 /* Two minutes */
/* Length of the initial app burst, for each new activity */
#define SAVE_APPS_BURST_LENGTH 3600 /* One hour */
/* The ranking algorithm we use is: every time an app score reaches SCORE_MAX,
* divide all scores by 2. Scores are raised by 1 unit every SAVE_APPS_TIMEOUT
* seconds. This mechanism allows the list to update relatively fast when
* a new app is used intensively.
* To keep the list clean, and avoid being Big Brother, apps that have not been
* seen for a week and whose score is below SCORE_MIN are removed.
*/
/* With this value, an app goes from bottom to top of the
* popularity list in 50 hours of use */
#define SCORE_MAX (3600*50/SAVE_APPS_TIMEOUT)
/* If an app's score in lower than this and the app has not been used in a week,
* remove it */
#define SCORE_MIN 5
/* Title patterns to detect apps that don't set WM class as needed.
* Format: pseudo/wanted WM class, title regex pattern, NULL (for GRegex) */
static struct
{
const char *app_id;
const char *pattern;
GRegex *regex;
} title_patterns[] = {
{"openoffice.org-writer", ".* - OpenOffice.org Writer$", NULL}, \
{"openoffice.org-calc", ".* - OpenOffice.org Calc$", NULL}, \
{"openoffice.org-impress", ".* - OpenOffice.org Impress$", NULL}, \
{"openoffice.org-draw", ".* - OpenOffice.org Draw$", NULL}, \
{"openoffice.org-base", ".* - OpenOffice.org Base$", NULL}, \
{"openoffice.org-math", ".* - OpenOffice.org Math$", NULL}, \
{NULL, NULL, NULL}
};
typedef struct AppPopularity AppPopularity;
typedef struct ActiveAppsData ActiveAppsData;
struct _ShellAppMonitor
{
GObject parent;
GFile *configfile;
XScreenSaverInfo *info;
GdkDisplay *display;
glong activity_time;
gulong last_idle;
guint poll_id;
guint save_apps_id;
gboolean currently_idle;
GHashTable *apps_by_wm_class; /* Seen apps by wm_class */
GHashTable *popularities; /* One AppPopularity struct list per activity */
int upload_apps_burst_count;
};
G_DEFINE_TYPE (ShellAppMonitor, shell_app_monitor, G_TYPE_OBJECT);
/* Represents an application record for a given activity */
struct AppPopularity
{
gchar *wm_class;
gdouble score; /* Based on the number of times we'e seen the app and normalized */
guint32 last_seen; /* Used to clear old apps we've only seen a few times */
};
struct ActiveAppsData
{
int activity;
GSList *result;
GTime start_time;
};
enum {
CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
static void shell_app_monitor_finalize (GObject *object);
static void get_active_apps (ShellAppMonitor *monitor,
int in_last_seconds,
GSList **wm_classes,
int *activity);
static void save_active_apps (ShellAppMonitor *monitor,
int collection_period,
GSList *wm_classes,
int activity);
static gboolean poll_for_idleness (void *data);
static gboolean on_save_apps_timeout (gpointer data);
static void save_to_file (ShellAppMonitor *monitor);
static void restore_from_file (ShellAppMonitor *monitor);
static glong
get_time (void)
{
GTimeVal tv;
g_get_current_time (&tv);
return tv.tv_sec;
}
static void shell_app_monitor_class_init(ShellAppMonitorClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = shell_app_monitor_finalize;
signals[CHANGED] = g_signal_new ("changed",
SHELL_TYPE_APP_MONITOR,
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
/* Little callback to destroy lists inside hash table */
static void
destroy_popularity (gpointer key,
gpointer value,
gpointer user_data)
{
GSList *list = value;
GSList *l;
AppPopularity *app_popularity;
for (l = list; l; l = l->next)
{
app_popularity = (AppPopularity *) l->data;
g_free (app_popularity->wm_class);
g_free (app_popularity);
}
g_slist_free (list);
}
static void
shell_app_monitor_init (ShellAppMonitor *self)
{
int event_base, error_base;
GdkDisplay *display;
Display *xdisplay;
char *path;
char *shell_config_dir;
/* Apps usage tracking */
/* FIXME: should we create as many monitors as there are GdkScreens? */
display = gdk_display_get_default();
xdisplay = GDK_DISPLAY_XDISPLAY (display);
if (!XScreenSaverQueryExtension (xdisplay, &event_base, &error_base))
{
g_warning ("Screensaver extension not found on X display, can't detect user idleness");
}
self->display = g_object_ref (display);
self->info = XScreenSaverAllocInfo ();
self->activity_time = get_time ();
self->last_idle = 0;
self->currently_idle = FALSE;
/* No need for free functions: value is an int stored as a pointer, and keys are
* freed manually in finalize () since we replace elements and reuse app names */
self->popularities = g_hash_table_new (g_direct_hash, g_direct_equal);
self->apps_by_wm_class = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify) g_free,
(GDestroyNotify) g_free);
g_object_get (shell_global_get(), "configdir", &shell_config_dir, NULL),
path = g_build_filename (shell_config_dir, DATA_FILENAME, NULL);
g_free (shell_config_dir);
self->configfile = g_file_new_for_path (path);
restore_from_file (self);
/* If no stats are available so far, set burst mode on */
if (g_hash_table_size(self->popularities))
self->upload_apps_burst_count = 0;
else
self->upload_apps_burst_count = SAVE_APPS_BURST_LENGTH / SAVE_APPS_BURST_TIMEOUT;
self->poll_id = g_timeout_add_seconds (5, poll_for_idleness, self);
self->save_apps_id =
g_timeout_add_seconds (SAVE_APPS_BURST_TIMEOUT, on_save_apps_timeout, self);
}
static void
shell_app_monitor_finalize (GObject *object)
{
ShellAppMonitor *self = SHELL_APP_MONITOR (object);
int i;
XFree (self->info);
g_source_remove (self->poll_id);
g_source_remove (self->save_apps_id);
g_object_unref (self->display);
g_hash_table_destroy (self->apps_by_wm_class);
g_hash_table_foreach (self->popularities, destroy_popularity, NULL);
g_hash_table_destroy (self->popularities);
for (i = 0; title_patterns[i].app_id; i++)
g_regex_unref (title_patterns[i].regex);
g_object_unref (self->configfile);
G_OBJECT_CLASS (shell_app_monitor_parent_class)->finalize(object);
}
/**
* shell_app_monitor_get_apps:
*
* Get a list of desktop identifiers representing the most popular applications
* for a given activity.
*
* @monitor: the app monitor instance to request
* @activity: the activity for which stats are considered
* @max_count: how many applications are requested. Note that the actual
* list size may be less, or NULL if not enough applications are registered.
*
* Returns: (element-type utf8) (transfer full): List of application desktop
* identifiers, in low case
*/
GSList *
shell_app_monitor_get_apps (ShellAppMonitor *monitor,
gint activity,
gint max_count)
{
GSList *list = NULL;
GSList *popularity;
AppPopularity *app_popularity;
int i;
popularity = g_hash_table_lookup (monitor->popularities,
GINT_TO_POINTER (activity));
for (i = 0; i < max_count; i++)
{
if (!popularity)
break;
app_popularity = (AppPopularity *) (popularity->data);
list = g_slist_prepend (list, g_utf8_strdown (app_popularity->wm_class, -1));
popularity = popularity->next;
}
list = g_slist_reverse (list);
return list;
}
/* Find the active window in order to collect stats */
void
get_active_app_properties (ShellAppMonitor *monitor,
char **wm_class,
char **title)
{
Display *xdisplay = GDK_DISPLAY_XDISPLAY (monitor->display);
int n_screens = gdk_display_get_n_screens (monitor->display);
Atom net_active_window_x =
gdk_x11_get_xatom_by_name_for_display (monitor->display,
"_NET_ACTIVE_WINDOW");
GdkAtom net_active_window_gdk =
gdk_atom_intern ("_NET_ACTIVE_WINDOW", FALSE);
Window active_window = None;
int i;
Atom type;
int format;
unsigned long n_items;
unsigned long bytes_after;
guchar *data;
gboolean is_desktop = FALSE;
if (wm_class)
*wm_class = NULL;
if (title)
*title = NULL;
/* Find the currently focused window by looking at the _NET_ACTIVE_WINDOW property
* on all the screens of the display.
*/
for (i = 0; i < n_screens; i++)
{
GdkScreen *screen = gdk_display_get_screen (monitor->display, i);
GdkWindow *root = gdk_screen_get_root_window (screen);
if (!gdk_x11_screen_supports_net_wm_hint (screen, net_active_window_gdk))
continue;
XGetWindowProperty (xdisplay, GDK_DRAWABLE_XID (root),
net_active_window_x,
0, 1, False, XA_WINDOW,
&type, &format, &n_items, &bytes_after, &data);
if (type == XA_WINDOW)
{
active_window = *(Window *) data;
XFree (data);
break;
}
}
/* Now that we have the active window, figure out the app name and WM class
*/
gdk_error_trap_push ();
if (active_window && wm_class)
{
if (XGetWindowProperty (xdisplay, active_window,
XA_WM_CLASS,
0, G_MAXLONG, False, XA_STRING,
&type, &format, &n_items, &bytes_after,
&data) == Success && type == XA_STRING)
{
if (format == 8)
{
char **list;
int count;
count =
gdk_text_property_to_utf8_list_for_display (monitor->display,
GDK_TARGET_STRING,
8, data, n_items,
&list);
if (count > 1)
{
/* This is a check for Nautilus, which sets the instance to this
* value for the desktop window; we do this rather than check for
* the more general _NET_WM_WINDOW_TYPE_DESKTOP to avoid having
* to do another XGetProperty on every iteration. We generally
* don't want to count the desktop being focused as app
* usage because it frequently can be a false-positive on an
* empty workspace.
*/
if (strcmp (list[0], "desktop_window") == 0)
is_desktop = TRUE;
else
*wm_class = g_strdup (list[1]);
}
if (list)
g_strfreev (list);
}
XFree (data);
}
}
if (is_desktop)
active_window = None;
if (active_window && title)
{
Atom utf8_string =
gdk_x11_get_xatom_by_name_for_display (monitor->display,
"UTF8_STRING");
if (XGetWindowProperty (xdisplay, active_window,
gdk_x11_get_xatom_by_name_for_display
(monitor->display, "_NET_WM_NAME"), 0,
G_MAXLONG, False, utf8_string, &type, &format,
&n_items, &bytes_after, &data) == Success
&& type == utf8_string)
{
if (format == 8 && g_utf8_validate ((char *) data, -1, NULL))
{
*title = g_strdup ((char *) data);
}
XFree (data);
}
}
if (active_window && title && *title == NULL)
{
if (XGetWindowProperty (xdisplay, active_window,
XA_WM_NAME,
0, G_MAXLONG, False, AnyPropertyType,
&type, &format, &n_items, &bytes_after,
&data) == Success && type != None)
{
if (format == 8)
{
char **list;
int count;
count =
gdk_text_property_to_utf8_list_for_display (monitor->display,
gdk_x11_xatom_to_atom_for_display
(monitor->display,
type), 8, data,
n_items, &list);
if (count > 0)
*title = g_strdup (list[0]);
if (list)
g_strfreev (list);
}
XFree (data);
}
}
gdk_error_trap_pop ();
}
void
update_app_info (ShellAppMonitor *monitor)
{
char *wm_class;
char *title;
GHashTable *app_active_times = NULL; /* GTime spent per activity */
static gboolean first_time = TRUE;
int activity;
guint32 timestamp;
int i;
if (first_time) /* Generate match patterns once for all */
{
first_time = FALSE;
for (i = 0; title_patterns[i].app_id; i++)
{
title_patterns[i].regex = g_regex_new (title_patterns[i].pattern,
0, 0, NULL);
}
}
get_active_app_properties (monitor, &wm_class, &title);
/* Match window title patterns to identifiers for non-standard apps */
if (title)
{
for (i = 0; title_patterns[i].app_id; i++)
{
if ( g_regex_match (title_patterns[i].regex, title, 0, NULL) )
{
/* Set a pseudo WM class, handled like true ones */
g_free (wm_class);
wm_class = g_strdup(title_patterns[i].app_id);
break;
}
}
g_free (title);
}
if (!wm_class)
return;
app_active_times = g_hash_table_lookup (monitor->apps_by_wm_class, wm_class);
if (!app_active_times)
{
/* Create a hash table to save times per activity
* Value and key are int stored as pointers, no need to free them */
app_active_times = g_hash_table_new (g_direct_hash, g_direct_equal);
g_hash_table_replace (monitor->apps_by_wm_class, g_strdup (wm_class),
app_active_times);
}
timestamp = get_time ();
activity = 0;
g_hash_table_replace (app_active_times, GINT_TO_POINTER (activity),
GINT_TO_POINTER (timestamp));
g_free (wm_class);
}
static gboolean
poll_for_idleness (gpointer data)
{
ShellAppMonitor *monitor = data;
int i;
int n_screens;
unsigned long idle_time;
gboolean was_idle;
idle_time = G_MAXINT;
n_screens = gdk_display_get_n_screens (monitor->display);
for (i = 0; i < n_screens; ++i)
{
int result = 0;
GdkScreen *screen;
screen = gdk_display_get_screen (monitor->display, i);
result = XScreenSaverQueryInfo (GDK_DISPLAY_XDISPLAY (monitor->display),
GDK_SCREEN_XSCREEN (screen)->root,
monitor->info);
if (result == 0)
{
g_warning ("Failed to get idle time from screensaver extension");
break;
}
/* monitor->info->idle is time in milliseconds since last user interaction event */
idle_time = MIN (monitor->info->idle, idle_time);
}
was_idle = monitor->currently_idle;
/* If the idle time has gone down, there must have been activity since we last checked */
if (idle_time < monitor->last_idle)
{
monitor->activity_time = get_time ();
monitor->currently_idle = FALSE;
}
else
{
/* If no activity, see how long ago it was and count ourselves idle
* if it's been a short while. We keep this idle really short,
* so it can be "more aggressive" about idle detection than
* a screensaver would be.
*/
GTime now = get_time ();
if (now < monitor->activity_time)
{
/* clock went backward... just "catch up"
* then wait until the idle timeout expires again
*/
monitor->activity_time = now;
}
else if ((now - monitor->activity_time) > 120)
{ /* 120 = 2 minutes */
monitor->currently_idle = TRUE;
}
}
monitor->last_idle = idle_time;
if (!monitor->currently_idle)
{
update_app_info (monitor);
}
return TRUE;
}
/* Used to iterate over apps to create a list of those that have been active
* since the activity specified by app_data has been started */
static void
active_apps_foreach (const gpointer key,
const gpointer value,
gpointer data)
{
char *name = key;
GHashTable *app_active_times = value; /* GTime spent per activity */
ActiveAppsData *app_data = data;
GTime active_time;
/* Only return apps that have been used in the current activity */
active_time = GPOINTER_TO_INT (g_hash_table_lookup
(app_active_times, GINT_TO_POINTER (app_data->activity)));
if (active_time > app_data->start_time)
app_data->result = g_slist_prepend (app_data->result, g_strdup (name));
}
/*
* Returns list of application names we've seen the user interacting with
* within the last 'in_last_seconds' seconds and in the specified activity.
* Free the names in the GSList with g_free(), the lists themselves with
* g_slist_free().
*/
static void
get_active_apps (ShellAppMonitor *monitor,
int in_last_seconds,
GSList **wm_classes,
int *activity)
{
ActiveAppsData app_data;
guint32 now;
now = get_time ();
app_data.activity = 0;
*activity = app_data.activity; /* Be sure we use the exact same timestamp everywhere */
app_data.start_time = now - in_last_seconds;
if (wm_classes && g_hash_table_size (monitor->apps_by_wm_class))
{
app_data.result = NULL;
g_hash_table_foreach (monitor->apps_by_wm_class, active_apps_foreach,
&app_data);
*wm_classes = app_data.result;
}
}
static gboolean
on_save_apps_timeout (gpointer data)
{
ShellAppMonitor *monitor = (ShellAppMonitor *) data;
static guint32 period = SAVE_APPS_TIMEOUT;
if (monitor->upload_apps_burst_count >= 0)
{
period = SAVE_APPS_BURST_TIMEOUT;
monitor->upload_apps_burst_count--;
if (monitor->upload_apps_burst_count == 0)
{
g_source_remove (monitor->save_apps_id);
g_timeout_add_seconds (SAVE_APPS_TIMEOUT, on_save_apps_timeout, monitor);
}
}
GSList *wm_classes = NULL;
int activity;
get_active_apps (monitor, period, &wm_classes, &activity);
if (wm_classes)
{
save_active_apps (monitor, period, wm_classes, activity);
save_to_file (monitor);
if (wm_classes)
{
g_slist_foreach (wm_classes, (GFunc) g_free, NULL);
g_slist_free (wm_classes);
}
}
return TRUE;
}
/* Used to find an app item from its wm_class, when non empty */
static gint
popularity_find_app (gconstpointer list_data,
gconstpointer user_data)
{
AppPopularity *list_pop = (AppPopularity *) list_data;
AppPopularity *user_pop = (AppPopularity *) user_data;
return strcmp (list_pop->wm_class, user_pop->wm_class);
}
/* Used to sort highest scores at the top */
static gint popularity_sort_apps (gconstpointer data1,
gconstpointer data2)
{
const AppPopularity *pop1 = data1;
const AppPopularity *pop2 = data2;
if (pop1->score > pop2->score)
return -1;
else if (pop1->score == pop2->score)
return 0;
else
return 1;
}
/* Limit the score to a certain level so that most popular apps can change */
static void
normalize_popularity (GSList *list)
{
if (!list)
return;
AppPopularity *app_popularity;
/* Highest score since list is sorted */
app_popularity = (AppPopularity *) (list->data);
/* Limiting score allows new apps to catch up (see SCORE_MAX definition) */
if (app_popularity->score > SCORE_MAX)
while (list)
{
app_popularity = (AppPopularity *) (list->data);
app_popularity->score /= 2;
list = list->next;
}
}
/* Clean up apps we see rarely.
* The logic behind this is that if an app was seen less than SCORE_MIN times
* and not seen for a week, it can probably be forgotten about.
* This should much reduce the size of the list and avoid 'pollution'. */
static GSList *
clean_popularity (GSList *list)
{
AppPopularity *app_popularity;
GDate *date;
guint32 date_days;
GSList *next, *head;
date = g_date_new ();
g_date_set_time_t (date, time (NULL));
g_date_subtract_days (date, 7);
date_days = g_date_get_julian (date);
head = list;
while (list)
{
next = list->next;
app_popularity = (AppPopularity *) (list->data);
if ((app_popularity->score < SCORE_MIN) &&
(app_popularity->last_seen < date_days))
head = g_slist_remove (head, list);
list = next;
}
g_date_free (date);
return head;
}
/* Save apps data internally to lists, merging if necessary */
static void
save_active_apps (ShellAppMonitor *monitor,
int collection_period,
GSList *wm_classes,
int activity)
{
AppPopularity *app_popularity;
AppPopularity temp; /* We only set/use two fields here */
GDate *date;
guint32 date_days;
GSList *popularity;
GSList *item;
GSList *l;
popularity = g_hash_table_lookup (monitor->popularities,
GINT_TO_POINTER (activity));
date = g_date_new ();
g_date_set_time_t (date, time (NULL));
date_days = g_date_get_julian (date);
if (!popularity) /* Just create the list using provided information */
{
for (l = wm_classes; l; l = l->next)
{
app_popularity = g_new (AppPopularity, 1);
app_popularity->last_seen = date_days;
app_popularity->score = 1;
/* Copy data from the old list */
app_popularity->wm_class = g_strdup ((gchar *) l->data);
popularity = g_slist_prepend (popularity, app_popularity);
}
}
else /* Merge with old data */
{
for (l = wm_classes; l; l = l->next)
{
temp.wm_class = (gchar *) l->data;
item = g_slist_find_custom (popularity, &temp, popularity_find_app);
if (!item)
{
app_popularity = g_new (AppPopularity, 1);
app_popularity->score = 1;
/* Copy data from other lists */
app_popularity->wm_class = g_strdup ((gchar *) l->data);
popularity = g_slist_prepend (popularity, app_popularity);
}
else
{
app_popularity = (AppPopularity *) item->data;
app_popularity->score++;
}
app_popularity->last_seen = date_days;
}
}
/* Clean once in a while, doing so at start may no be enough if uptime is high */
popularity = clean_popularity (popularity);
/* Need to do this often since SCORE_MAX should be relatively low */
normalize_popularity (popularity);
popularity = g_slist_sort (popularity, popularity_sort_apps);
g_hash_table_replace (monitor->popularities, GINT_TO_POINTER (activity),
popularity);
g_date_free (date);
g_signal_emit (monitor, signals[CHANGED], 0);
}
/* Save app data lists to file */
static void
save_to_file (ShellAppMonitor *monitor)
{
GHashTableIter iter;
int activity;
GSList *popularity;
AppPopularity *app_popularity;
GFileOutputStream *output;
GDataOutputStream *data_output;
GError *error = NULL;
gchar *line;
gchar score_buf[G_ASCII_DTOSTR_BUF_SIZE];
static int last_error_code = 0;
/* Parent directory is already created by shell-global */
output = g_file_replace (monitor->configfile, NULL, FALSE, G_FILE_CREATE_NONE, NULL, &error);
if (!output)
{
if (last_error_code == error->code)
{
g_error_free (error);
return;
}
last_error_code = error->code;
g_warning ("Could not save applications usage data: %s. This warning will be printed only once.", error->message);
g_error_free (error);
return;
}
data_output = g_data_output_stream_new (G_OUTPUT_STREAM(output));
g_object_unref (output);
g_hash_table_iter_init (&iter, monitor->popularities);
while (g_hash_table_iter_next (&iter, (gpointer *) &activity, (gpointer *) &popularity)
&& popularity)
{
line = g_strdup_printf ("%i\n", activity);
g_data_output_stream_put_string (data_output, "--\n", NULL, NULL);
g_data_output_stream_put_string (data_output, line, NULL, NULL);
g_free (line);
do
{
app_popularity = (AppPopularity *) popularity->data;
g_ascii_dtostr (score_buf, sizeof (score_buf), app_popularity->score);
line = g_strdup_printf ("%s,%s,%u\n", app_popularity->wm_class,
score_buf, app_popularity->last_seen);
g_data_output_stream_put_string (data_output, line, NULL, &error);
g_free (line);
if (error)
goto out;
}
while ( (popularity = popularity->next) );
}
out:
g_output_stream_close (G_OUTPUT_STREAM(data_output), NULL, &error);
g_object_unref (data_output);
if (error)
{
if (last_error_code == error->code)
{
g_error_free (error);
return;
}
last_error_code = error->code;
g_warning ("Could not save applications usage data: %s. This warning will be printed only once.", error->message);
g_error_free (error);
}
}
/* Load data about apps usage from file */
static void
restore_from_file (ShellAppMonitor *monitor)
{
int activity = -1; /* Means invalid ID */
GSList *popularity;
AppPopularity *app_popularity;
GFileInputStream *input;
GDataInputStream *data_input;
GError *error = NULL;
gchar *line;
gchar **info;
input = g_file_read (monitor->configfile, NULL, &error);
if (error)
{
if (error->code == G_IO_ERROR_NOT_FOUND)
g_message ("No applications usage data file found. This is normal if you start the program for the first time.");
else
g_warning ("Could not load applications usage data: %s", error->message);
g_error_free (error);
return;
}
data_input = g_data_input_stream_new (G_INPUT_STREAM(input));
g_object_unref (input);
while (TRUE)
{
line = g_data_input_stream_read_line (data_input, NULL, NULL, &error);
if (!line)
goto out;
if (strcmp (line, "--") == 0) /* Line starts a new activity */
{
g_free (line);
line = g_data_input_stream_read_line (data_input, NULL, NULL, &error);
if (line && (strcmp (line, "") != 0))
{
if (activity != -1) /* Save previous activity, cleaning and sorting it */
{
popularity = clean_popularity (popularity);
popularity = g_slist_sort (popularity, popularity_sort_apps);
g_hash_table_replace (monitor->popularities,
GINT_TO_POINTER (activity), popularity);
}
activity = atoi (line);
/* FIXME: do something if conversion fails! */
/* like: errno = NULL; ... if (errno) { g_free (line); goto out; } */
}
else if (error)
{
g_free (line);
goto out;
}
else /* End of file */
goto out;
}
/* Line is about an app.
* If no activity was provided yet, just skip */
else if ((activity != 1) && (strcmp (line, "") != 0))
{
info = g_strsplit (line, ",", 0);
if (info[0] && info [1] && info[2]) /* Skip on wrong syntax */
{
app_popularity = g_new (AppPopularity, 1);
app_popularity->wm_class = g_strdup(info[0]);
app_popularity->score = g_ascii_strtod (info[1], NULL);
app_popularity->last_seen = (guint32) strtoul (info[2], NULL, 10);
popularity = g_slist_prepend (popularity, app_popularity);
}
g_strfreev (info);
g_free (line);
}
else
g_free (line); /* Just skip to next app */
}
out:
if (activity != -1) /* Save last activity, cleaning and sorting it */
{
popularity = clean_popularity (popularity);
popularity = g_slist_sort (popularity, popularity_sort_apps);
g_hash_table_replace (monitor->popularities, GINT_TO_POINTER (activity),
popularity);
}
g_input_stream_close (G_INPUT_STREAM (data_input), NULL, NULL);
g_object_unref (data_input);
if (error)
{
g_warning ("Could not load applications usage data: %s", error->message);
g_error_free (error);
}
}

45
src/shell-app-monitor.h Normal file
View File

@ -0,0 +1,45 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
#ifndef __SHELL_APP_MONITOR_H__
#define __SHELL_APP_MONITOR_H__
#include <glib-object.h>
#include <glib.h>
/*
* This object provides monitoring of system application directories (.desktop files)
* and activity-based statistics about applications usage
*/
G_BEGIN_DECLS
typedef struct _ShellAppMonitor ShellAppMonitor;
typedef struct _ShellAppMonitorClass ShellAppMonitorClass;
typedef struct _ShellAppMonitorPrivate ShellAppMonitorPrivate;
#define SHELL_TYPE_APP_MONITOR (shell_app_monitor_get_type ())
#define SHELL_APP_MONITOR(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), SHELL_TYPE_APP_MONITOR, ShellAppMonitor))
#define SHELL_APP_MONITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SHELL_TYPE_APP_MONITOR, ShellAppMonitorClass))
#define SHELL_IS_APP_MONITOR(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), SHELL_TYPE_APP_MONITOR))
#define SHELL_IS_APP_MONITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SHELL_TYPE_APP_MONITOR))
#define SHELL_APP_MONITOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), SHELL_TYPE_APP_MONITOR, ShellAppMonitorClass))
struct _ShellAppMonitorClass
{
GObjectClass parent_class;
void (*apps_changed)(ShellAppMonitor *menuwrapper,
gpointer data);
};
GType shell_app_monitor_get_type (void) G_GNUC_CONST;
ShellAppMonitor* shell_app_monitor_new(void);
/* Get the most popular applications for a given activity */
GSList *shell_app_monitor_get_apps (ShellAppMonitor *monitor,
int activity,
gint number);
G_END_DECLS
#endif /* __SHELL_APP_MONITOR_H__ */

View File

@ -32,7 +32,7 @@ fi
# Devel packages needed by gnome-shell and its deps: # Devel packages needed by gnome-shell and its deps:
# dbus-glib, gconf, GL, gnome-menus, gtk, libffi, libgnomeui, librsvg, libwnck, # dbus-glib, gconf, GL, gnome-menus, gtk, libffi, libgnomeui, librsvg, libwnck,
# python, readline, spidermonkey ({mozilla,firefox,xulrunner}-js), # python, readline, spidermonkey ({mozilla,firefox,xulrunner}-js),
# xdamage # xdamage, xscrnsaver
# #
# Non-devel packages needed by gnome-shell and its deps: # Non-devel packages needed by gnome-shell and its deps:
# gdb, glxinfo, python, Xephyr, xeyes*, xlogo*, xterm*, zenity # gdb, glxinfo, python, Xephyr, xeyes*, xlogo*, xterm*, zenity
@ -63,7 +63,7 @@ if test x$system = xUbuntu -o x$system = xDebian ; then
libdbus-glib-1-dev libgconf2-dev libgtk2.0-dev libffi-dev \ libdbus-glib-1-dev libgconf2-dev libgtk2.0-dev libffi-dev \
libgnome-menu-dev libgnomeui-dev librsvg2-dev libwnck-dev libgl1-mesa-dev \ libgnome-menu-dev libgnomeui-dev librsvg2-dev libwnck-dev libgl1-mesa-dev \
mesa-common-dev python-dev libreadline5-dev xulrunner-dev \ mesa-common-dev python-dev libreadline5-dev xulrunner-dev \
xserver-xephyr \ xserver-xephyr libxss-dev \
; do ; do
if ! dpkg_is_installed $pkg; then if ! dpkg_is_installed $pkg; then
reqd="$pkg $reqd" reqd="$pkg $reqd"
@ -84,7 +84,7 @@ if test x$system = xFedora ; then
libtool pkgconfig \ libtool pkgconfig \
dbus-glib-devel GConf2-devel gnome-menus-devel gtk2-devel libffi-devel libgnomeui-devel \ dbus-glib-devel GConf2-devel gnome-menus-devel gtk2-devel libffi-devel libgnomeui-devel \
librsvg2-devel libwnck-devel mesa-libGL-devel python-devel readline-devel \ librsvg2-devel libwnck-devel mesa-libGL-devel python-devel readline-devel \
xulrunner-devel libXdamage-devel \ xulrunner-devel libXdamage-devel libXScrnSaver-devel \
gdb glx-utils xorg-x11-apps xorg-x11-server-Xephyr xterm zenity \ gdb glx-utils xorg-x11-apps xorg-x11-server-Xephyr xterm zenity \
gstreamer-devel gstreamer-plugins-base gstreamer-plugins-good \ gstreamer-devel gstreamer-plugins-base gstreamer-plugins-good \
; do ; do
@ -103,8 +103,8 @@ if test x$system = xSUSE ; then
curl \ curl \
bison flex gnome-doc-utils-devel \ bison flex gnome-doc-utils-devel \
gconf2-devel libffi-devel libgnomeui-devel librsvg-devel libwnck-devel \ gconf2-devel libffi-devel libgnomeui-devel librsvg-devel libwnck-devel \
readline-devel mozilla-xulrunner190-devel xorg-x11-devel \ libXScrnSaver-devel readline-devel mozilla-xulrunner190-devel \
xterm xorg-x11 xorg-x11-server-extra \ xorg-x11-devel xterm xorg-x11 xorg-x11-server-extra \
; do ; do
if ! rpm -q $pkg > /dev/null 2>&1; then if ! rpm -q $pkg > /dev/null 2>&1; then
reqd="$pkg $reqd" reqd="$pkg $reqd"
@ -124,7 +124,7 @@ if test x$system = xMandrivaLinux ; then
bison flex gnome-common gnome-doc-utils gtk-doc intltool \ bison flex gnome-common gnome-doc-utils gtk-doc intltool \
libGConf2-devel ffi5-devel libgnomeui2-devel librsvg2-devel \ libGConf2-devel ffi5-devel libgnomeui2-devel librsvg2-devel \
libwnck-1-devel GL-devel readline-devel libxulrunner-devel \ libwnck-1-devel GL-devel readline-devel libxulrunner-devel \
libxdamage-devel \ libxdamage-devel libxscrnsaver-devel \
mesa-demos x11-server-xephyr x11-apps xterm zenity \ mesa-demos x11-server-xephyr x11-apps xterm zenity \
; do ; do
if ! rpm -q --whatprovides $pkg > /dev/null 2>&1; then if ! rpm -q --whatprovides $pkg > /dev/null 2>&1; then