+++ /dev/null
-/*
- * Load applet - Maemo5 edition - status area plugin
- */
-
-
-#include <gtk/gtk.h>
-#include <hildon/hildon.h>
-#include <glib/gerror.h>
-#include <glib.h>
-#include <string.h>
-#include <libosso.h>
-
-#include "la_status_area_item.h"
-
-#define LA_ICON_WIDTH 16
-#define LA_ICON_HEIGHT 16
-#define LA_BOX_WIDTH 5
-#define LA_BOX_HEIGHT 3
-#define LA_CPU_MAX 5
-
-
-
-#define LOAD_APPLET_STATUS_AREA_ITEM_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE (obj, LOAD_APPLET_TYPE_STATUS_AREA_ITEM, LoadAppletStatusAreaItemPrivate))
-
-struct _LoadAppletStatusAreaItemPrivate {
- guint timeout_id;
- gint lastU, lastN, lastIO, lastI;
- guchar last_mem_level;
- guchar last_cpu_level;
- GdkPixbuf *pixbuf;
- GdkPixbuf *pixbuf_on;
- GdkPixbuf *pixbuf_red;
- GdkPixbuf *pixbuf_off;
- osso_context_t *osso;
- gboolean red;
-};
-
-HD_DEFINE_PLUGIN_MODULE (LoadAppletStatusAreaItem, load_applet_status_area_item, HD_TYPE_STATUS_PLUGIN_ITEM);
-
-
-/*
- * Read current MEM usage and return indicator between 5 and 1 - how many bars are "full"
- */
-static guchar
-la_check_mem (LoadAppletStatusAreaItemPrivate *priv)
-{
- #define MEMFILE "/proc/meminfo"
- #define MAX_READ_CHARS 128
- char read_buffer[MAX_READ_CHARS];
- FILE *fin;
- int mem_used = 0;
- int mem_total = 0;
- int mem_cached = 0;
- int mem_buffers = 0;
- int mem_free = 0;
-
- //Open the memory info file and get current free memory
- fin = fopen(MEMFILE, "r");
- if (fin == NULL) {
- g_warning("Can't open "MEMFILE"\n");
- return TRUE;
- }
- while (fgets(read_buffer, MAX_READ_CHARS, fin) != NULL) {
- if (strncmp(read_buffer, "MemTotal", 8) == 0) {
- sscanf(read_buffer + 10, "%d", &mem_total);
- } else if (strncmp(read_buffer, "MemFree", 6) == 0) {
- sscanf(read_buffer + 9, "%d", &mem_free);
- } else if (strncmp(read_buffer, "Buffers", 6) == 0) {
- sscanf(read_buffer + 9, "%d", &mem_buffers);
- } else if (strncmp(read_buffer, "Cached", 6) == 0) {
- sscanf(read_buffer + 8, "%d", &mem_cached);
- break;
- }
- }
- fclose(fin);
-
- mem_used = mem_total - mem_free - mem_buffers - mem_cached;
-
- if (mem_used > 0.9*mem_total)
- return 5;
- else if (mem_used > 0.7*mem_total)
- return 4;
- else if (mem_used > 0.5*mem_total)
- return 3;
- else if (mem_used > 0.3*mem_total)
- return 2;
- else
- return 1;
-}
-
-
-/*
- * Read current CPU usage and return indicator between 5 and 1 - how many bars are "full"
- */
-static guchar
-la_check_cpu (LoadAppletStatusAreaItemPrivate *priv)
-{
- #define CPUFILE "/proc/stat"
- gint curU, curN, curIO, curI;
- gint deltaU, deltaN, deltaIO, deltaI;
- int load, idle;
- GError *error = NULL;
- gchar *contents;
- gsize lenght;
- gchar **splits;
-
- if (!g_file_get_contents (CPUFILE, &contents, &lenght, &error)) {
- fprintf (stderr, "ERR: can't read file %s: %s\n", CPUFILE, error->message);
- g_error_free (error);
- return 0;
- }
-
- splits = g_strsplit_set (contents, " ", -1);
-
- sscanf(splits[2], "%d", &curU);
- sscanf(splits[3], "%d", &curN);
- sscanf(splits[4], "%d", &curIO);
- sscanf(splits[5], "%d", &curI);
-
- g_strfreev (splits);
- g_free (contents);
-
- idle = (curI - priv->lastI);
- if (idle == 0) load = 100;
- else load = 100-idle;
- if (load>100) load = 0;
- deltaU = curU - priv->lastU;
- deltaN = curN - priv->lastN;
- deltaIO = curIO - priv->lastIO;
- deltaI = curI - priv->lastI;
- priv->lastU = curU;
- priv->lastN = curN;
- priv->lastIO = curIO;
- priv->lastI = curI;
-
- if (load > 90)
- return 5;
- else if (load > 70)
- return 4;
- else if (load > 45)
- return 3;
- else if (load > 19)
- return 2;
- else
- return 1;
-}
-
-
-
-/*
- * Compose and blit the current status of memory bars
- */
-static void
-la_blit_memory_bars (const guchar level, LoadAppletStatusAreaItemPrivate *priv)
-{
- guint x, y;
-
- gdk_pixbuf_fill(priv->pixbuf, 0x00000000);
-
- x = 9;
- y = 1;
- if (level > 4)
- gdk_pixbuf_composite(priv->pixbuf_on, priv->pixbuf, x, y, LA_BOX_WIDTH, LA_BOX_HEIGHT, x, y, 1, 1, GDK_INTERP_NEAREST, 255);
- y = 5;
- if (level > 3)
- gdk_pixbuf_composite(priv->pixbuf_on, priv->pixbuf, x, y, LA_BOX_WIDTH, LA_BOX_HEIGHT, x, y, 1, 1, GDK_INTERP_NEAREST, 255);
- y = 9;
- if (level > 2)
- gdk_pixbuf_composite(priv->pixbuf_on, priv->pixbuf, x, y, LA_BOX_WIDTH, LA_BOX_HEIGHT, x, y, 1, 1, GDK_INTERP_NEAREST, 255);
- y = 13;
- if (level > 1)
- gdk_pixbuf_composite(priv->pixbuf_on, priv->pixbuf, x, y, LA_BOX_WIDTH, LA_BOX_HEIGHT, x, y, 1, 1, GDK_INTERP_NEAREST, 255);
- else
- gdk_pixbuf_composite(priv->pixbuf_off, priv->pixbuf, x, y, LA_BOX_WIDTH, LA_BOX_HEIGHT, x, y, 1, 1, GDK_INTERP_NEAREST, 255);
-}
-
-
-/*
- * Compose and blit current status of CPU bars
- */
-static void
-la_blit_cpu_bars (const guchar level, LoadAppletStatusAreaItemPrivate *priv)
-{
- guint x, y;
-
- x = 2;
- y = 1;
- if (level > 4)
- {
- if (priv->red == TRUE) {
- gdk_pixbuf_composite(priv->pixbuf_red, priv->pixbuf, x, y, LA_BOX_WIDTH, LA_BOX_HEIGHT, x, y, 1, 1, GDK_INTERP_NEAREST, 255);
- priv->red = FALSE;
- } else {
- gdk_pixbuf_composite(priv->pixbuf_on, priv->pixbuf, x, y, LA_BOX_WIDTH, LA_BOX_HEIGHT, x, y, 1, 1, GDK_INTERP_NEAREST, 255);
- priv->red = TRUE;
- }
- }
- y = 5;
- if (level > 3)
- gdk_pixbuf_composite(priv->pixbuf_on, priv->pixbuf, x, y, LA_BOX_WIDTH, LA_BOX_HEIGHT, x, y, 1, 1, GDK_INTERP_NEAREST, 255);
- y = 9;
- if (level > 2)
- gdk_pixbuf_composite(priv->pixbuf_on, priv->pixbuf, x, y, LA_BOX_WIDTH, LA_BOX_HEIGHT, x, y, 1, 1, GDK_INTERP_NEAREST, 255);
- y = 13;
- if (level > 1)
- gdk_pixbuf_composite(priv->pixbuf_on, priv->pixbuf, x, y, LA_BOX_WIDTH, LA_BOX_HEIGHT, x, y, 1, 1, GDK_INTERP_NEAREST, 255);
- else
- gdk_pixbuf_composite(priv->pixbuf_off, priv->pixbuf, x, y, LA_BOX_WIDTH, LA_BOX_HEIGHT, x, y, 1, 1, GDK_INTERP_NEAREST, 255);
-}
-
-
-/*
- * Ran to check and update the CPU and memory reading
- */
-static gboolean
-la_check_load (gpointer data)
-{
- guchar current_cpu_level;
- guchar current_mem_level;
- LoadAppletStatusAreaItem *item = (LoadAppletStatusAreaItem*)data;
- LoadAppletStatusAreaItemPrivate *priv = (LoadAppletStatusAreaItemPrivate*)item->priv;
-
- current_cpu_level = la_check_cpu(priv);
- current_mem_level = la_check_mem(priv);
- //g_debug(g_strdup_printf("LOADAPLET - UPDATED CPU %d MEM %d", current_cpu_level, current_mem_level));
-
- //Update and blit only if data changed!
- if ((current_mem_level != priv->last_mem_level) || (current_cpu_level != priv->last_cpu_level)) {
- la_blit_memory_bars (current_mem_level, priv);
- la_blit_cpu_bars (current_cpu_level, priv);
- if (current_cpu_level == LA_CPU_MAX)
- priv->red = FALSE;
- hd_status_plugin_item_set_status_area_icon (HD_STATUS_PLUGIN_ITEM(data), priv->pixbuf);
- priv->last_mem_level = current_mem_level;
- priv->last_cpu_level = current_cpu_level;
- } else if (current_cpu_level == LA_CPU_MAX) {
- //Pulsate max CPU load icon also when CPU load stays at max
- la_blit_cpu_bars (current_cpu_level, priv);
- hd_status_plugin_item_set_status_area_icon (HD_STATUS_PLUGIN_ITEM(data), priv->pixbuf);
- }
-
- return TRUE;
-}
-
-/*
- * Get callback when display state changes
- */
-static void
-load_applet_status_area_item_display_cb(osso_display_state_t state, gpointer user_data)
-{
- LoadAppletStatusAreaItem *item = LOAD_APPLET_STATUS_AREA_ITEM(user_data);
-
- g_return_if_fail (item != NULL && item->priv != NULL);
-
- if (state == OSSO_DISPLAY_ON)
- {
- //Restart the updates, do one right away
- if (item->priv->timeout_id == -1)
- {
- //g_debug("LOADAPPLET - restarting periodic updates");
- item->priv->timeout_id = gtk_timeout_add(1000, la_check_load, item);
- }
- } else {
- //Suspend the updates - screen is off
- //g_debug("LOADAPPLET - Turning updates off");
- if (g_source_remove(item->priv->timeout_id) != TRUE)
- {
- //g_error("LOADAPPLET - couldn't stop the updates!the timer still running ...");
- } else {
- item->priv->timeout_id = -1;
- }
- }
-}
-
-
-/*****************************************************************************
- *
- * Boilerplate code area - do not enter
- *
- *****************************************************************************/
-
-static void
-load_applet_status_area_item_set_area_icon (LoadAppletStatusAreaItem *item)
-{
- item->priv = LOAD_APPLET_STATUS_AREA_ITEM_GET_PRIVATE (item);
-
- hd_status_plugin_item_set_status_area_icon (HD_STATUS_PLUGIN_ITEM(item), item->priv->pixbuf);
-}
-
-
-static void
-load_applet_status_area_item_class_finalize (LoadAppletStatusAreaItemClass *klass)
-{
-}
-
-
-
-static void
-load_applet_status_area_item_finalize (GObject *object)
-{
- LoadAppletStatusAreaItemPrivate *priv = LOAD_APPLET_STATUS_AREA_ITEM(object)->priv;
- // Release and clean our stuff
- G_OBJECT_CLASS (load_applet_status_area_item_parent_class)->finalize (object);
- if (priv->osso)
- {
- osso_deinitialize(priv->osso);
- priv->osso = NULL;
- }
-
-}
-
-
-
-static void
-load_applet_status_area_item_class_init (LoadAppletStatusAreaItemClass *klass)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
- object_class->finalize = load_applet_status_area_item_finalize;
-
- g_type_class_add_private (klass, sizeof (LoadAppletStatusAreaItemPrivate));
-
-}
-
-static void
-load_applet_status_area_item_init (LoadAppletStatusAreaItem *item)
-{
- item->priv = LOAD_APPLET_STATUS_AREA_ITEM_GET_PRIVATE (item);
-
- item->priv->last_mem_level = -1;
- item->priv->last_cpu_level = -1;
- item->priv->timeout_id = -1;
- item->priv->red = FALSE;
- item->priv->pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, LA_ICON_WIDTH, LA_ICON_HEIGHT);
- gdk_pixbuf_fill(item->priv->pixbuf, 0x00000000);
- item->priv->pixbuf_on = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, LA_BOX_WIDTH, LA_BOX_HEIGHT);
- gdk_pixbuf_fill(item->priv->pixbuf_on, 0xffffffff);
- item->priv->pixbuf_red = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, LA_BOX_WIDTH, LA_BOX_HEIGHT);
- gdk_pixbuf_fill(item->priv->pixbuf_red, 0xff0000ff);
- item->priv->pixbuf_off = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, LA_BOX_WIDTH, LA_BOX_HEIGHT);
- gdk_pixbuf_fill(item->priv->pixbuf_off, 0x777777ff);
- load_applet_status_area_item_set_area_icon(item);
-
- item->priv->osso = osso_initialize ("cpumem_applet_status_area_item", "Maemo5", TRUE, NULL);
- item->priv->timeout_id = gtk_timeout_add(1000, la_check_load, item);
- osso_hw_set_display_event_cb (item->priv->osso, load_applet_status_area_item_display_cb, item);
-}
-
projects / cpumem-applet / blobdiff