1 files changed, 1267 insertions, 0 deletions
diff --git a/src/gpm-engine.c b/src/gpm-engine.c
new file mode 100644
index 0000000..1ca78b8
--- /dev/null
+++ b/src/gpm-engine.c
@@ -0,0 +1,1267 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007-2008 Richard Hughes <[email protected]>
+ *
+ * Licensed under the GNU General Public License Version 2
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <mateconf/mateconf-client.h>
+#include <libupower-glib/upower.h>
+
+#include "egg-debug.h"
+
+#include "gpm-common.h"
+#include "gpm-upower.h"
+#include "gpm-marshal.h"
+#include "gpm-engine.h"
+#include "gpm-stock-icons.h"
+#include "gpm-prefs-server.h"
+#include "gpm-phone.h"
+
+static void gpm_engine_finalize (GObject *object);
+
+#define GPM_ENGINE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GPM_TYPE_ENGINE, GpmEnginePrivate))
+#define GPM_ENGINE_RESUME_DELAY 2*1000
+#define GPM_ENGINE_WARN_ACCURACY 20
+
+struct GpmEnginePrivate
+{
+ MateConfClient *conf;
+ UpClient *client;
+ UpDevice *battery_composite;
+ GPtrArray *array;
+ GpmPhone *phone;
+ GpmIconPolicy icon_policy;
+ gchar *previous_icon;
+ gchar *previous_summary;
+
+ gboolean use_time_primary;
+ gboolean time_is_accurate;
+
+ guint low_percentage;
+ guint critical_percentage;
+ guint action_percentage;
+ guint low_time;
+ guint critical_time;
+ guint action_time;
+};
+
+enum {
+ ICON_CHANGED,
+ SUMMARY_CHANGED,
+ FULLY_CHARGED,
+ CHARGE_LOW,
+ CHARGE_CRITICAL,
+ CHARGE_ACTION,
+ DISCHARGING,
+ LOW_CAPACITY,
+ PERHAPS_RECALL,
+ LAST_SIGNAL
+};
+
+static guint signals [LAST_SIGNAL] = { 0 };
+static gpointer gpm_engine_object = NULL;
+
+G_DEFINE_TYPE (GpmEngine, gpm_engine, G_TYPE_OBJECT)
+
+static UpDevice *gpm_engine_get_composite_device (GpmEngine *engine, UpDevice *original_device);
+static UpDevice *gpm_engine_update_composite_device (GpmEngine *engine, UpDevice *original_device);
+
+typedef enum {
+ GPM_ENGINE_WARNING_NONE = 0,
+ GPM_ENGINE_WARNING_DISCHARGING = 1,
+ GPM_ENGINE_WARNING_LOW = 2,
+ GPM_ENGINE_WARNING_CRITICAL = 3,
+ GPM_ENGINE_WARNING_ACTION = 4
+} GpmEngineWarning;
+
+/**
+ * gpm_engine_get_warning_csr:
+ **/
+static GpmEngineWarning
+gpm_engine_get_warning_csr (GpmEngine *engine, UpDevice *device)
+{
+ gdouble percentage;
+
+ /* get device properties */
+ g_object_get (device, "percentage", &percentage, NULL);
+
+ if (percentage < 26.0f)
+ return GPM_ENGINE_WARNING_LOW;
+ else if (percentage < 13.0f)
+ return GPM_ENGINE_WARNING_CRITICAL;
+ return GPM_ENGINE_WARNING_NONE;
+}
+
+/**
+ * gpm_engine_get_warning_percentage:
+ **/
+static GpmEngineWarning
+gpm_engine_get_warning_percentage (GpmEngine *engine, UpDevice *device)
+{
+ gdouble percentage;
+
+ /* get device properties */
+ g_object_get (device, "percentage", &percentage, NULL);
+
+ if (percentage <= engine->priv->action_percentage)
+ return GPM_ENGINE_WARNING_ACTION;
+ if (percentage <= engine->priv->critical_percentage)
+ return GPM_ENGINE_WARNING_CRITICAL;
+ if (percentage <= engine->priv->low_percentage)
+ return GPM_ENGINE_WARNING_LOW;
+ return GPM_ENGINE_WARNING_NONE;
+}
+
+/**
+ * gpm_engine_get_warning_time:
+ **/
+static GpmEngineWarning
+gpm_engine_get_warning_time (GpmEngine *engine, UpDevice *device)
+{
+ UpDeviceKind kind;
+ gint64 time_to_empty;
+
+ /* get device properties */
+ g_object_get (device,
+ "kind", &kind,
+ "time-to-empty", &time_to_empty,
+ NULL);
+
+ /* this is probably an error condition */
+ if (time_to_empty == 0) {
+ egg_debug ("time zero, falling back to percentage for %s", up_device_kind_to_string (kind));
+ return gpm_engine_get_warning_percentage (engine, device);
+ }
+
+ if (time_to_empty <= engine->priv->action_time)
+ return GPM_ENGINE_WARNING_ACTION;
+ if (time_to_empty <= engine->priv->critical_time)
+ return GPM_ENGINE_WARNING_CRITICAL;
+ if (time_to_empty <= engine->priv->low_time)
+ return GPM_ENGINE_WARNING_LOW;
+ return GPM_ENGINE_WARNING_NONE;
+}
+
+/**
+ * gpm_engine_get_warning:
+ *
+ * This gets the possible engine state for the device according to the
+ * policy, which could be per-percent, or per-time.
+ *
+ * Return value: A GpmEngine state, e.g. GPM_ENGINE_WARNING_DISCHARGING
+ **/
+static GpmEngineWarning
+gpm_engine_get_warning (GpmEngine *engine, UpDevice *device)
+{
+ UpDeviceKind kind;
+ UpDeviceState state;
+ GpmEngineWarning warning_type;
+
+ /* get device properties */
+ g_object_get (device,
+ "kind", &kind,
+ "state", &state,
+ NULL);
+
+ /* default to no engine */
+ warning_type = GPM_ENGINE_WARNING_NONE;
+
+ /* if the device in question is on ac, don't give a warning */
+ if (state == UP_DEVICE_STATE_CHARGING)
+ goto out;
+
+ if (kind == UP_DEVICE_KIND_MOUSE ||
+ kind == UP_DEVICE_KIND_KEYBOARD) {
+
+ warning_type = gpm_engine_get_warning_csr (engine, device);
+
+ } else if (kind == UP_DEVICE_KIND_UPS ||
+#if UP_CHECK_VERSION(0,9,5)
+ kind == UP_DEVICE_KIND_MEDIA_PLAYER ||
+ kind == UP_DEVICE_KIND_TABLET ||
+ kind == UP_DEVICE_KIND_COMPUTER ||
+#endif
+ kind == UP_DEVICE_KIND_PDA) {
+
+ warning_type = gpm_engine_get_warning_percentage (engine, device);
+
+ } else if (kind == UP_DEVICE_KIND_PHONE) {
+
+ warning_type = gpm_engine_get_warning_percentage (engine, device);
+
+ } else if (kind == UP_DEVICE_KIND_BATTERY) {
+ /* only use the time when it is accurate, and MateConf is not disabled */
+ if (engine->priv->use_time_primary)
+ warning_type = gpm_engine_get_warning_time (engine, device);
+ else
+ warning_type = gpm_engine_get_warning_percentage (engine, device);
+ }
+
+ /* If we have no important engines, we should test for discharging */
+ if (warning_type == GPM_ENGINE_WARNING_NONE) {
+ if (state == UP_DEVICE_STATE_DISCHARGING)
+ warning_type = GPM_ENGINE_WARNING_DISCHARGING;
+ }
+
+ out:
+ return warning_type;
+}
+
+/**
+ * gpm_engine_get_summary:
+ * @engine: This engine class instance
+ * @string: The returned string
+ *
+ * Returns the complete tooltip ready for display
+ **/
+gchar *
+gpm_engine_get_summary (GpmEngine *engine)
+{
+ guint i;
+ GPtrArray *array;
+ UpDevice *device;
+ UpDeviceState state;
+ GString *tooltip = NULL;
+ gchar *part;
+ gboolean is_present;
+
+ g_return_val_if_fail (GPM_IS_ENGINE (engine), NULL);
+
+ /* need to get AC state */
+ tooltip = g_string_new ("");
+
+ /* do we have specific device types? */
+ array = engine->priv->array;
+ for (i=0;i<array->len;i++) {
+ device = g_ptr_array_index (engine->priv->array, i);
+ g_object_get (device,
+ "is-present", &is_present,
+ "state", &state,
+ NULL);
+ if (!is_present)
+ continue;
+ if (state == UP_DEVICE_STATE_EMPTY)
+ continue;
+ part = gpm_upower_get_device_summary (device);
+ if (part != NULL)
+ g_string_append_printf (tooltip, "%s\n", part);
+ g_free (part);
+ }
+
+ /* remove the last \n */
+ g_string_truncate (tooltip, tooltip->len-1);
+
+ egg_debug ("tooltip: %s", tooltip->str);
+
+ return g_string_free (tooltip, FALSE);
+}
+
+/**
+ * gpm_engine_get_icon_priv:
+ *
+ * Returns the icon
+ **/
+static gchar *
+gpm_engine_get_icon_priv (GpmEngine *engine, UpDeviceKind device_kind, GpmEngineWarning warning, gboolean use_state)
+{
+ guint i;
+ GPtrArray *array;
+ UpDevice *device;
+ GpmEngineWarning warning_temp;
+ UpDeviceKind kind;
+ UpDeviceState state;
+ gboolean is_present;
+
+ /* do we have specific device types? */
+ array = engine->priv->array;
+ for (i=0;i<array->len;i++) {
+ device = g_ptr_array_index (engine->priv->array, i);
+
+ /* get device properties */
+ g_object_get (device,
+ "kind", &kind,
+ "state", &state,
+ "is-present", &is_present,
+ NULL);
+
+ /* if battery then use composite device to cope with multiple batteries */
+ if (kind == UP_DEVICE_KIND_BATTERY)
+ device = gpm_engine_get_composite_device (engine, device);
+
+ warning_temp = GPOINTER_TO_INT(g_object_get_data (G_OBJECT(device), "engine-warning-old"));
+ if (kind == device_kind && is_present) {
+ if (warning != GPM_ENGINE_WARNING_NONE) {
+ if (warning_temp == warning)
+ return gpm_upower_get_device_icon (device);
+ continue;
+ }
+ if (use_state) {
+ if (state == UP_DEVICE_STATE_CHARGING || state == UP_DEVICE_STATE_DISCHARGING)
+ return gpm_upower_get_device_icon (device);
+ continue;
+ }
+ return gpm_upower_get_device_icon (device);
+ }
+ }
+ return NULL;
+}
+
+/**
+ * gpm_engine_get_icon:
+ *
+ * Returns the icon
+ **/
+gchar *
+gpm_engine_get_icon (GpmEngine *engine)
+{
+ gchar *icon = NULL;
+
+ g_return_val_if_fail (GPM_IS_ENGINE (engine), NULL);
+
+ /* policy */
+ if (engine->priv->icon_policy == GPM_ICON_POLICY_NEVER) {
+ egg_debug ("no icon allowed, so no icon will be displayed.");
+ return NULL;
+ }
+
+ /* we try CRITICAL: BATTERY, UPS, MOUSE, KEYBOARD */
+ icon = gpm_engine_get_icon_priv (engine, UP_DEVICE_KIND_BATTERY, GPM_ENGINE_WARNING_CRITICAL, FALSE);
+ if (icon != NULL)
+ return icon;
+ icon = gpm_engine_get_icon_priv (engine, UP_DEVICE_KIND_UPS, GPM_ENGINE_WARNING_CRITICAL, FALSE);
+ if (icon != NULL)
+ return icon;
+ icon = gpm_engine_get_icon_priv (engine, UP_DEVICE_KIND_MOUSE, GPM_ENGINE_WARNING_CRITICAL, FALSE);
+ if (icon != NULL)
+ return icon;
+ icon = gpm_engine_get_icon_priv (engine, UP_DEVICE_KIND_KEYBOARD, GPM_ENGINE_WARNING_CRITICAL, FALSE);
+ if (icon != NULL)
+ return icon;
+
+ /* policy */
+ if (engine->priv->icon_policy == GPM_ICON_POLICY_CRITICAL) {
+ egg_debug ("no devices critical, so no icon will be displayed.");
+ return NULL;
+ }
+
+ /* we try CRITICAL: BATTERY, UPS, MOUSE, KEYBOARD */
+ icon = gpm_engine_get_icon_priv (engine, UP_DEVICE_KIND_BATTERY, GPM_ENGINE_WARNING_LOW, FALSE);
+ if (icon != NULL)
+ return icon;
+ icon = gpm_engine_get_icon_priv (engine, UP_DEVICE_KIND_UPS, GPM_ENGINE_WARNING_LOW, FALSE);
+ if (icon != NULL)
+ return icon;
+ icon = gpm_engine_get_icon_priv (engine, UP_DEVICE_KIND_MOUSE, GPM_ENGINE_WARNING_LOW, FALSE);
+ if (icon != NULL)
+ return icon;
+ icon = gpm_engine_get_icon_priv (engine, UP_DEVICE_KIND_KEYBOARD, GPM_ENGINE_WARNING_LOW, FALSE);
+ if (icon != NULL)
+ return icon;
+
+ /* policy */
+ if (engine->priv->icon_policy == GPM_ICON_POLICY_LOW) {
+ egg_debug ("no devices low, so no icon will be displayed.");
+ return NULL;
+ }
+
+ /* we try (DIS)CHARGING: BATTERY, UPS */
+ icon = gpm_engine_get_icon_priv (engine, UP_DEVICE_KIND_BATTERY, GPM_ENGINE_WARNING_NONE, TRUE);
+ if (icon != NULL)
+ return icon;
+ icon = gpm_engine_get_icon_priv (engine, UP_DEVICE_KIND_UPS, GPM_ENGINE_WARNING_NONE, TRUE);
+ if (icon != NULL)
+ return icon;
+
+ /* policy */
+ if (engine->priv->icon_policy == GPM_ICON_POLICY_CHARGE) {
+ egg_debug ("no devices (dis)charging, so no icon will be displayed.");
+ return NULL;
+ }
+
+ /* we try PRESENT: BATTERY, UPS */
+ icon = gpm_engine_get_icon_priv (engine, UP_DEVICE_KIND_BATTERY, GPM_ENGINE_WARNING_NONE, FALSE);
+ if (icon != NULL)
+ return icon;
+ icon = gpm_engine_get_icon_priv (engine, UP_DEVICE_KIND_UPS, GPM_ENGINE_WARNING_NONE, FALSE);
+ if (icon != NULL)
+ return icon;
+
+ /* policy */
+ if (engine->priv->icon_policy == GPM_ICON_POLICY_PRESENT) {
+ egg_debug ("no devices present, so no icon will be displayed.");
+ return NULL;
+ }
+
+ /* we fallback to the ac_adapter icon */
+ egg_debug ("Using fallback");
+ return g_strdup (GPM_STOCK_AC_ADAPTER);
+}
+
+/**
+ * gpm_engine_recalculate_state_icon:
+ */
+static gboolean
+gpm_engine_recalculate_state_icon (GpmEngine *engine)
+{
+ gchar *icon;
+
+ g_return_val_if_fail (engine != NULL, FALSE);
+ g_return_val_if_fail (GPM_IS_ENGINE (engine), FALSE);
+
+ /* show a different icon if we are disconnected */
+ icon = gpm_engine_get_icon (engine);
+ if (icon == NULL) {
+ /* none before, now none */
+ if (engine->priv->previous_icon == NULL)
+ return FALSE;
+ /* icon before, now none */
+ egg_debug ("** EMIT: icon-changed: none");
+ g_signal_emit (engine, signals [ICON_CHANGED], 0, NULL);
+
+ g_free (engine->priv->previous_icon);
+ engine->priv->previous_icon = NULL;
+ return TRUE;
+ }
+
+ /* no icon before, now icon */
+ if (engine->priv->previous_icon == NULL) {
+ egg_debug ("** EMIT: icon-changed: %s", icon);
+ g_signal_emit (engine, signals [ICON_CHANGED], 0, icon);
+ engine->priv->previous_icon = icon;
+ return TRUE;
+ }
+
+ /* icon before, now different */
+ if (strcmp (engine->priv->previous_icon, icon) != 0) {
+ g_free (engine->priv->previous_icon);
+ engine->priv->previous_icon = icon;
+ egg_debug ("** EMIT: icon-changed: %s", icon);
+ g_signal_emit (engine, signals [ICON_CHANGED], 0, icon);
+ return TRUE;
+ }
+
+ egg_debug ("no change");
+ /* nothing to do */
+ g_free (icon);
+ return FALSE;
+}
+
+/**
+ * gpm_engine_recalculate_state_summary:
+ */
+static gboolean
+gpm_engine_recalculate_state_summary (GpmEngine *engine)
+{
+ gchar *summary;
+
+ summary = gpm_engine_get_summary (engine);
+ if (engine->priv->previous_summary == NULL) {
+ engine->priv->previous_summary = summary;
+ egg_debug ("** EMIT: summary-changed(1): %s", summary);
+ g_signal_emit (engine, signals [SUMMARY_CHANGED], 0, summary);
+ return TRUE;
+ } 
+
+ if (strcmp (engine->priv->previous_summary, summary) != 0) {
+ g_free (engine->priv->previous_summary);
+ engine->priv->previous_summary = summary;
+ egg_debug ("** EMIT: summary-changed(2): %s", summary);
+ g_signal_emit (engine, signals [SUMMARY_CHANGED], 0, summary);
+ return TRUE;
+ }
+ egg_debug ("no change");
+ /* nothing to do */
+ g_free (summary);
+ return FALSE;
+}
+
+/**
+ * gpm_engine_recalculate_state:
+ */
+static void
+gpm_engine_recalculate_state (GpmEngine *engine)
+{
+
+ g_return_if_fail (engine != NULL);
+ g_return_if_fail (GPM_IS_ENGINE (engine));
+
+ gpm_engine_recalculate_state_icon (engine);
+ gpm_engine_recalculate_state_summary (engine);
+}
+
+/**
+ * gpm_engine_conf_key_changed_cb:
+ **/
+static void
+gpm_engine_conf_key_changed_cb (MateConfClient *conf, guint cnxn_id, MateConfEntry *entry, GpmEngine *engine)
+{
+ MateConfValue *value;
+ gchar *icon_policy;
+
+ if (entry == NULL)
+ return;
+ value = mateconf_entry_get_value (entry);
+ if (value == NULL)
+ return;
+
+ if (strcmp (entry->key, GPM_CONF_USE_TIME_POLICY) == 0) {
+
+ engine->priv->use_time_primary = mateconf_value_get_bool (value);
+
+ } else if (strcmp (entry->key, GPM_CONF_UI_ICON_POLICY) == 0) {
+
+ /* do we want to display the icon in the tray */
+ icon_policy = mateconf_client_get_string (conf, GPM_CONF_UI_ICON_POLICY, NULL);
+ engine->priv->icon_policy = gpm_icon_policy_from_string (icon_policy);
+ g_free (icon_policy);
+
+ /* perhaps change icon */
+ gpm_engine_recalculate_state_icon (engine);
+ }
+}
+
+/**
+ * gpm_engine_device_check_capacity:
+ **/
+static gboolean
+gpm_engine_device_check_capacity (GpmEngine *engine, UpDevice *device)
+{
+ gboolean ret;
+ UpDeviceKind kind;
+ gdouble capacity;
+
+ /* get device properties */
+ g_object_get (device,
+ "kind", &kind,
+ "capacity", &capacity,
+ NULL);
+
+ /* not laptop battery */
+ if (kind != UP_DEVICE_KIND_BATTERY)
+ return FALSE;
+
+ /* capacity okay */
+ if (capacity > 50.0f)
+ return FALSE;
+
+ /* capacity invalid */
+ if (capacity < 1.0f)
+ return FALSE;
+
+ /* only emit this if specified in mateconf */
+ ret = mateconf_client_get_bool (engine->priv->conf, GPM_CONF_NOTIFY_LOW_CAPACITY, NULL);
+ if (ret) {
+ egg_debug ("** EMIT: low-capacity");
+ g_signal_emit (engine, signals [LOW_CAPACITY], 0, device);
+ }
+ return TRUE;
+}
+
+/**
+ * gpm_engine_get_composite_device:
+ **/
+static UpDevice *
+gpm_engine_get_composite_device (GpmEngine *engine, UpDevice *original_device)
+{
+ guint battery_devices = 0;
+ GPtrArray *array;
+ UpDevice *device;
+ UpDeviceKind kind;
+ guint i;
+
+ /* find out how many batteries in the system */
+ array = engine->priv->array;
+ for (i=0;i<array->len;i++) {
+ device = g_ptr_array_index (engine->priv->array, i);
+ g_object_get (device,
+ "kind", &kind,
+ NULL);
+ if (kind == UP_DEVICE_KIND_BATTERY)
+ battery_devices++;
+ }
+
+ /* just use the original device if only one primary battery */
+ if (battery_devices <= 1) {
+ egg_debug ("using original device as only one primary battery");
+ device = original_device;
+ goto out;
+ }
+
+ /* use the composite device */
+ device = engine->priv->battery_composite;
+out:
+ /* return composite device or original device */
+ return device;
+}
+
+/**
+ * gpm_engine_update_composite_device:
+ **/
+static UpDevice *
+gpm_engine_update_composite_device (GpmEngine *engine, UpDevice *original_device)
+{
+ guint i;
+ gdouble percentage = 0.0;
+ gdouble energy = 0.0;
+ gdouble energy_full = 0.0;
+ gdouble energy_rate = 0.0;
+ gdouble energy_total = 0.0;
+ gdouble energy_full_total = 0.0;
+ gdouble energy_rate_total = 0.0;
+ gint64 time_to_empty = 0;
+ gint64 time_to_full = 0;
+ guint battery_devices = 0;
+ gboolean is_charging = FALSE;
+ gboolean is_discharging = FALSE;
+ gboolean is_fully_charged = TRUE;
+ GPtrArray *array;
+ UpDevice *device;
+ UpDeviceState state;
+ UpDeviceKind kind;
+ gboolean debug;
+ gchar *text;
+
+ /* are we printing to console? */
+ debug = egg_debug_enabled ();
+
+ /* update the composite device */
+ array = engine->priv->array;
+ for (i=0;i<array->len;i++) {
+ device = g_ptr_array_index (engine->priv->array, i);
+ g_object_get (device,
+ "kind", &kind,
+ "state", &state,
+ "energy", &energy,
+ "energy-full", &energy_full,
+ "energy-rate", &energy_rate,
+ NULL);
+ if (kind != UP_DEVICE_KIND_BATTERY)
+ continue;
+
+ if (debug) {
+ text = up_device_to_text (device);
+ egg_debug ("printing device %i:\n%s", i, text);
+ g_free (text);
+ }
+
+ /* one of these will be charging or discharging */
+ if (state == UP_DEVICE_STATE_CHARGING)
+ is_charging = TRUE;
+ if (state == UP_DEVICE_STATE_DISCHARGING)
+ is_discharging = TRUE;
+ if (state != UP_DEVICE_STATE_FULLY_CHARGED)
+ is_fully_charged = FALSE;
+
+ /* sum up composite */
+ energy_total += energy;
+ energy_full_total += energy_full;
+ energy_rate_total += energy_rate;
+ battery_devices++;
+ }
+
+ /* just use the original device if only one primary battery */
+ if (battery_devices == 1) {
+ egg_debug ("using original device as only one primary battery");
+ device = original_device;
+ goto out;
+ }
+
+ /* use percentage weighted for each battery capacity */
+ percentage = 100.0 * energy_total / energy_full_total;
+
+ /* set composite state */
+ if (is_charging)
+ state = UP_DEVICE_STATE_CHARGING;
+ else if (is_discharging)
+ state = UP_DEVICE_STATE_DISCHARGING;
+ else if (is_fully_charged)
+ state = UP_DEVICE_STATE_FULLY_CHARGED;
+ else
+ state = UP_DEVICE_STATE_UNKNOWN;
+
+ /* calculate a quick and dirty time remaining value */
+ if (energy_rate_total > 0) {
+ if (state == UP_DEVICE_STATE_DISCHARGING)
+ time_to_empty = 3600 * (energy_total / energy_rate_total);
+ else if (state == UP_DEVICE_STATE_CHARGING)
+ time_to_full = 3600 * ((energy_full_total - energy_total) / energy_rate_total);
+ }
+
+ /* okay, we can use the composite device */
+ device = engine->priv->battery_composite;
+
+ egg_debug ("printing composite device");
+ g_object_set (device,
+ "energy", energy,
+ "energy-full", energy_full,
+ "energy-rate", energy_rate,
+ "time-to-empty", time_to_empty,
+ "time-to-full", time_to_full,
+ "percentage", percentage,
+ "state", state,
+ NULL);
+ if (debug) {
+ text = up_device_to_text (device);
+ egg_debug ("composite:\n%s", text);
+ g_free (text);
+ }
+
+ /* force update of icon */
+ gpm_engine_recalculate_state_icon (engine);
+out:
+ /* return composite device or original device */
+ return device;
+}
+
+/**
+ * gpm_engine_device_add:
+ **/
+static void
+gpm_engine_device_add (GpmEngine *engine, UpDevice *device)
+{
+ GpmEngineWarning warning;
+ UpDeviceState state;
+ UpDeviceKind kind;
+ UpDevice *composite;
+
+ /* assign warning */
+ warning = gpm_engine_get_warning (engine, device);
+ g_object_set_data (G_OBJECT(device), "engine-warning-old", GUINT_TO_POINTER(warning));
+
+ /* check capacity */
+ gpm_engine_device_check_capacity (engine, device);
+
+ /* get device properties */
+ g_object_get (device,
+ "kind", &kind,
+ "state", &state,
+ NULL);
+
+ /* add old state for transitions */
+ egg_debug ("adding %s with state %s", up_device_get_object_path (device), up_device_state_to_string (state));
+ g_object_set_data (G_OBJECT(device), "engine-state-old", GUINT_TO_POINTER(state));
+
+ if (kind == UP_DEVICE_KIND_BATTERY) {
+ egg_debug ("updating because we added a device");
+ composite = gpm_engine_update_composite_device (engine, device);
+
+ /* get the same values for the composite device */
+ warning = gpm_engine_get_warning (engine, composite);
+ g_object_set_data (G_OBJECT(composite), "engine-warning-old", GUINT_TO_POINTER(warning));
+ g_object_get (composite, "state", &state, NULL);
+ g_object_set_data (G_OBJECT(composite), "engine-state-old", GUINT_TO_POINTER(state));
+ }
+}
+
+/**
+ * gpm_engine_check_recall:
+ **/
+static gboolean
+gpm_engine_check_recall (GpmEngine *engine, UpDevice *device)
+{
+ UpDeviceKind kind;
+ gboolean recall_notice = FALSE;
+ gchar *recall_vendor = NULL;
+ gchar *recall_url = NULL;
+
+ /* get device properties */
+ g_object_get (device,
+ "kind", &kind,
+ "recall-notice", &recall_notice,
+ "recall-vendor", &recall_vendor,
+ "recall-url", &recall_url,
+ NULL);
+
+ /* not battery */
+ if (kind != UP_DEVICE_KIND_BATTERY)
+ goto out;
+
+ /* no recall data */
+ if (!recall_notice)
+ goto out;
+
+ /* emit signal for manager */
+ egg_debug ("** EMIT: perhaps-recall");
+ g_signal_emit (engine, signals [PERHAPS_RECALL], 0, device, recall_vendor, recall_url);
+out:
+ g_free (recall_vendor);
+ g_free (recall_url);
+ return recall_notice;
+}
+
+/**
+ * gpm_engine_coldplug_idle_cb:
+ **/
+static gboolean
+gpm_engine_coldplug_idle_cb (GpmEngine *engine)
+{
+ guint i;
+ GPtrArray *array;
+ gboolean has_battery = FALSE;
+ gboolean has_ups = FALSE;
+ GpmPrefsServer *prefs_server;
+ UpDevice *device;
+ UpDeviceKind kind;
+ gboolean ret;
+ GError *error = NULL;
+
+ g_return_val_if_fail (engine != NULL, FALSE);
+ g_return_val_if_fail (GPM_IS_ENGINE (engine), FALSE);
+
+ /* get devices from UPower */
+ ret = up_client_enumerate_devices_sync (engine->priv->client, NULL, &error);
+ if (!ret) {
+ egg_error ("failed to get device list: %s", error->message);
+ g_error_free (error);
+ goto out;
+ }
+ engine->priv->array = up_client_get_devices (engine->priv->client);
+
+ /* do we have specific device types? */
+ array = engine->priv->array;
+ for (i=0;i<array->len;i++) {
+ device = g_ptr_array_index (engine->priv->array, i);
+
+ /* get device properties */
+ g_object_get (device,
+ "kind", &kind,
+ NULL);
+
+ if (kind == UP_DEVICE_KIND_BATTERY)
+ has_battery = TRUE;
+ else if (kind == UP_DEVICE_KIND_UPS)
+ has_ups = TRUE;
+ }
+
+ /* only show the battery prefs section if we have batteries */
+ prefs_server = gpm_prefs_server_new ();
+ if (has_battery)
+ gpm_prefs_server_set_capability (prefs_server, GPM_PREFS_SERVER_BATTERY);
+ if (has_ups)
+ gpm_prefs_server_set_capability (prefs_server, GPM_PREFS_SERVER_UPS);
+ g_object_unref (prefs_server);
+
+ /* connected mobile phones */
+ gpm_phone_coldplug (engine->priv->phone);
+
+ gpm_engine_recalculate_state (engine);
+
+ /* add to database */
+ for (i=0;i<array->len;i++) {
+ device = g_ptr_array_index (engine->priv->array, i);
+ gpm_engine_device_add (engine, device);
+ gpm_engine_check_recall (engine, device);
+ }
+out:
+ /* never repeat */
+ return FALSE;
+}
+
+/**
+ * gpm_engine_device_added_cb:
+ **/
+static void
+gpm_engine_device_added_cb (UpClient *client, UpDevice *device, GpmEngine *engine)
+{
+ /* add to list */
+ g_ptr_array_add (engine->priv->array, g_object_ref (device));
+ gpm_engine_check_recall (engine, device);
+
+ gpm_engine_recalculate_state (engine);
+}
+
+/**
+ * gpm_engine_device_removed_cb:
+ **/
+static void
+gpm_engine_device_removed_cb (UpClient *client, UpDevice *device, GpmEngine *engine)
+{
+ gboolean ret;
+ ret = g_ptr_array_remove (engine->priv->array, device);
+ if (!ret)
+ return;
+ gpm_engine_recalculate_state (engine);
+}
+
+
+/**
+ * gpm_engine_device_changed_cb:
+ **/
+static void
+gpm_engine_device_changed_cb (UpClient *client, UpDevice *device, GpmEngine *engine)
+{
+ UpDeviceKind kind;
+ UpDeviceState state;
+ UpDeviceState state_old;
+ GpmEngineWarning warning_old;
+ GpmEngineWarning warning;
+
+ /* get device properties */
+ g_object_get (device,
+ "kind", &kind,
+ NULL);
+
+ /* if battery then use composite device to cope with multiple batteries */
+ if (kind == UP_DEVICE_KIND_BATTERY) {
+ egg_debug ("updating because %s changed", up_device_get_object_path (device));
+ device = gpm_engine_update_composite_device (engine, device);
+ }
+
+ /* get device properties (may be composite) */
+ g_object_get (device,
+ "state", &state,
+ NULL);
+
+ egg_debug ("%s state is now %s", up_device_get_object_path (device), up_device_state_to_string (state));
+
+ /* see if any interesting state changes have happened */
+ state_old = GPOINTER_TO_INT(g_object_get_data (G_OBJECT(device), "engine-state-old"));
+ if (state_old != state) {
+ if (state == UP_DEVICE_STATE_DISCHARGING) {
+ egg_debug ("** EMIT: discharging");
+ g_signal_emit (engine, signals [DISCHARGING], 0, device);
+ } else if (state == UP_DEVICE_STATE_FULLY_CHARGED) {
+ egg_debug ("** EMIT: fully charged");
+ g_signal_emit (engine, signals [FULLY_CHARGED], 0, device);
+ }
+
+ /* save new state */
+ g_object_set_data (G_OBJECT(device), "engine-state-old", GUINT_TO_POINTER(state));
+ }
+
+ /* check the warning state has not changed */
+ warning_old = GPOINTER_TO_INT(g_object_get_data (G_OBJECT(device), "engine-warning-old"));
+ warning = gpm_engine_get_warning (engine, device);
+ if (warning != warning_old) {
+ if (warning == GPM_ENGINE_WARNING_LOW) {
+ egg_debug ("** EMIT: charge-low");
+ g_signal_emit (engine, signals [CHARGE_LOW], 0, device);
+ } else if (warning == GPM_ENGINE_WARNING_CRITICAL) {
+ egg_debug ("** EMIT: charge-critical");
+ g_signal_emit (engine, signals [CHARGE_CRITICAL], 0, device);
+ } else if (warning == GPM_ENGINE_WARNING_ACTION) {
+ egg_debug ("** EMIT: charge-action");
+ g_signal_emit (engine, signals [CHARGE_ACTION], 0, device);
+ }
+ /* save new state */
+ g_object_set_data (G_OBJECT(device), "engine-warning-old", GUINT_TO_POINTER(warning));
+ }
+
+ gpm_engine_recalculate_state (engine);
+}
+
+/**
+ * gpm_engine_get_devices:
+ *
+ * Return value: the UpDevice array, free with g_ptr_array_unref()
+ **/
+GPtrArray *
+gpm_engine_get_devices (GpmEngine *engine)
+{
+ return g_ptr_array_ref (engine->priv->array);
+}
+
+/**
+ * phone_device_added_cb:
+ **/
+static void
+phone_device_added_cb (GpmPhone *phone, guint idx, GpmEngine *engine)
+{
+ UpDevice *device;
+ device = up_device_new ();
+
+ egg_debug ("phone added %i", idx);
+
+ /* get device properties */
+ g_object_set (device,
+ "kind", UP_DEVICE_KIND_PHONE,
+ "is-rechargeable", TRUE,
+ "native-path", g_strdup_printf ("dummy:phone_%i", idx),
+ "is-present", TRUE,
+ NULL);
+
+ /* state changed */
+ gpm_engine_device_add (engine, device);
+ g_ptr_array_add (engine->priv->array, g_object_ref (device));
+ gpm_engine_recalculate_state (engine);
+}
+
+/**
+ * phone_device_removed_cb:
+ **/
+static void
+phone_device_removed_cb (GpmPhone *phone, guint idx, GpmEngine *engine)
+{
+ guint i;
+ UpDevice *device;
+ UpDeviceKind kind;
+
+ egg_debug ("phone removed %i", idx);
+
+ for (i=0; i<engine->priv->array->len; i++) {
+ device = g_ptr_array_index (engine->priv->array, i);
+
+ /* get device properties */
+ g_object_get (device,
+ "kind", &kind,
+ NULL);
+
+ if (kind == UP_DEVICE_KIND_PHONE) {
+ g_ptr_array_remove_index (engine->priv->array, i);
+ break;
+ }
+ }
+
+ /* state changed */
+ gpm_engine_recalculate_state (engine);
+}
+
+/**
+ * phone_device_refresh_cb:
+ **/
+static void
+phone_device_refresh_cb (GpmPhone *phone, guint idx, GpmEngine *engine)
+{
+ guint i;
+ UpDevice *device;
+ UpDeviceKind kind;
+ UpDeviceState state;
+ gboolean is_present;
+ gdouble percentage;
+
+ egg_debug ("phone refresh %i", idx);
+
+ for (i=0; i<engine->priv->array->len; i++) {
+ device = g_ptr_array_index (engine->priv->array, i);
+
+ /* get device properties */
+ g_object_get (device,
+ "kind", &kind,
+ "state", &state,
+ "percentage", &percentage,
+ "is-present", &is_present,
+ NULL);
+
+ if (kind == UP_DEVICE_KIND_PHONE) {
+ is_present = gpm_phone_get_present (phone, idx);
+ state = gpm_phone_get_on_ac (phone, idx) ? UP_DEVICE_STATE_CHARGING : UP_DEVICE_STATE_DISCHARGING;
+ percentage = gpm_phone_get_percentage (phone, idx);
+ break;
+ }
+ }
+
+ /* state changed */
+ gpm_engine_recalculate_state (engine);
+}
+
+/**
+ * gpm_engine_init:
+ * @engine: This class instance
+ **/
+static void
+gpm_engine_init (GpmEngine *engine)
+{
+ gchar *icon_policy;
+
+ engine->priv = GPM_ENGINE_GET_PRIVATE (engine);
+
+ engine->priv->array = g_ptr_array_new_with_free_func (g_object_unref);
+ engine->priv->client = up_client_new ();
+ g_signal_connect (engine->priv->client, "device-added",
+ G_CALLBACK (gpm_engine_device_added_cb), engine);
+ g_signal_connect (engine->priv->client, "device-removed",
+ G_CALLBACK (gpm_engine_device_removed_cb), engine);
+ g_signal_connect (engine->priv->client, "device-changed",
+ G_CALLBACK (gpm_engine_device_changed_cb), engine);
+
+ engine->priv->conf = mateconf_client_get_default ();
+ mateconf_client_notify_add (engine->priv->conf, GPM_CONF_DIR,
+ (MateConfClientNotifyFunc) gpm_engine_conf_key_changed_cb,
+ engine, NULL, NULL);
+
+ engine->priv->phone = gpm_phone_new ();
+ g_signal_connect (engine->priv->phone, "device-added",
+ G_CALLBACK (phone_device_added_cb), engine);
+ g_signal_connect (engine->priv->phone, "device-removed",
+ G_CALLBACK (phone_device_removed_cb), engine);
+ g_signal_connect (engine->priv->phone, "device-refresh",
+ G_CALLBACK (phone_device_refresh_cb), engine);
+
+ /* create a fake virtual composite battery */
+ engine->priv->battery_composite = up_device_new ();
+ g_object_set (engine->priv->battery_composite,
+ "kind", UP_DEVICE_KIND_BATTERY,
+ "is-rechargeable", TRUE,
+ "native-path", "dummy:composite_battery",
+ "power-supply", TRUE,
+ "is-present", TRUE,
+ NULL);
+
+ engine->priv->previous_icon = NULL;
+ engine->priv->previous_summary = NULL;
+
+ /* do we want to display the icon in the tray */
+ icon_policy = mateconf_client_get_string (engine->priv->conf, GPM_CONF_UI_ICON_POLICY, NULL);
+ engine->priv->icon_policy = gpm_icon_policy_from_string (icon_policy);
+ g_free (icon_policy);
+
+ /* get percentage policy */
+ engine->priv->low_percentage = mateconf_client_get_int (engine->priv->conf, GPM_CONF_THRESH_PERCENTAGE_LOW, NULL);
+ engine->priv->critical_percentage = mateconf_client_get_int (engine->priv->conf, GPM_CONF_THRESH_PERCENTAGE_CRITICAL, NULL);
+ engine->priv->action_percentage = mateconf_client_get_int (engine->priv->conf, GPM_CONF_THRESH_PERCENTAGE_ACTION, NULL);
+
+ /* get time policy */
+ engine->priv->low_time = mateconf_client_get_int (engine->priv->conf, GPM_CONF_THRESH_TIME_LOW, NULL);
+ engine->priv->critical_time = mateconf_client_get_int (engine->priv->conf, GPM_CONF_THRESH_TIME_CRITICAL, NULL);
+ engine->priv->action_time = mateconf_client_get_int (engine->priv->conf, GPM_CONF_THRESH_TIME_ACTION, NULL);
+
+ /* we can disable this if the time remaining is inaccurate or just plain wrong */
+ engine->priv->use_time_primary = mateconf_client_get_bool (engine->priv->conf, GPM_CONF_USE_TIME_POLICY, NULL);
+ if (engine->priv->use_time_primary)
+ egg_debug ("Using per-time notification policy");
+ else
+ egg_debug ("Using percentage notification policy");
+
+ g_idle_add ((GSourceFunc) gpm_engine_coldplug_idle_cb, engine);
+}
+
+/**
+ * gpm_engine_class_init:
+ * @engine: This class instance
+ **/
+static void
+gpm_engine_class_init (GpmEngineClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ object_class->finalize = gpm_engine_finalize;
+ g_type_class_add_private (klass, sizeof (GpmEnginePrivate));
+
+ signals [ICON_CHANGED] =
+ g_signal_new ("icon-changed",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GpmEngineClass, icon_changed),
+ NULL, NULL, g_cclosure_marshal_VOID__STRING,
+ G_TYPE_NONE, 1, G_TYPE_STRING);
+ signals [SUMMARY_CHANGED] =
+ g_signal_new ("summary-changed",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GpmEngineClass, summary_changed),
+ NULL, NULL, g_cclosure_marshal_VOID__STRING,
+ G_TYPE_NONE, 1, G_TYPE_STRING);
+ signals [LOW_CAPACITY] =
+ g_signal_new ("low-capacity",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GpmEngineClass, low_capacity),
+ NULL, NULL, g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1, G_TYPE_POINTER);
+ signals [PERHAPS_RECALL] =
+ g_signal_new ("perhaps-recall",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GpmEngineClass, perhaps_recall),
+ NULL, NULL, gpm_marshal_VOID__POINTER_STRING_STRING,
+ G_TYPE_NONE,
+ 3, G_TYPE_POINTER, G_TYPE_STRING, G_TYPE_STRING);
+ signals [FULLY_CHARGED] =
+ g_signal_new ("fully-charged",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GpmEngineClass, fully_charged),
+ NULL, NULL, g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1, G_TYPE_POINTER);
+ signals [DISCHARGING] =
+ g_signal_new ("discharging",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GpmEngineClass, discharging),
+ NULL, NULL, g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1, G_TYPE_POINTER);
+ signals [CHARGE_ACTION] =
+ g_signal_new ("charge-action",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GpmEngineClass, charge_action),
+ NULL, NULL, g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1, G_TYPE_POINTER);
+ signals [CHARGE_LOW] =
+ g_signal_new ("charge-low",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GpmEngineClass, charge_low),
+ NULL, NULL, g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1, G_TYPE_POINTER);
+ signals [CHARGE_CRITICAL] =
+ g_signal_new ("charge-critical",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GpmEngineClass, charge_critical),
+ NULL, NULL, g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1, G_TYPE_POINTER);
+}
+
+/**
+ * gpm_engine_finalize:
+ * @object: This class instance
+ **/
+static void
+gpm_engine_finalize (GObject *object)
+{
+ GpmEngine *engine;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GPM_IS_ENGINE (object));
+
+ engine = GPM_ENGINE (object);
+ engine->priv = GPM_ENGINE_GET_PRIVATE (engine);
+
+ g_ptr_array_unref (engine->priv->array);
+ g_object_unref (engine->priv->client);
+ g_object_unref (engine->priv->phone);
+ g_object_unref (engine->priv->battery_composite);
+
+ g_free (engine->priv->previous_icon);
+ g_free (engine->priv->previous_summary);
+
+ G_OBJECT_CLASS (gpm_engine_parent_class)->finalize (object);
+}
+
+/**
+ * gpm_engine_new:
+ * Return value: new class instance.
+ **/
+GpmEngine *
+gpm_engine_new (void)
+{
+ if (gpm_engine_object != NULL) {
+ g_object_ref (gpm_engine_object);
+ } else {
+ gpm_engine_object = g_object_new (GPM_TYPE_ENGINE, NULL);
+ g_object_add_weak_pointer (gpm_engine_object, &gpm_engine_object);
+ }
+ return GPM_ENGINE (gpm_engine_object);
+
+}
+