539ef9f52c
Modified source files to minimize warnings from checkpatch.pl in Window Maker source tree.
145 lines
3.1 KiB
C
145 lines
3.1 KiB
C
/* Not particularly good interface to hal, for programs that used to use
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* apm.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <upower.h>
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#include "apm.h"
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int num_batteries = 0;
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struct context {
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int current;
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int needed;
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guint state;
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int percentage;
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gboolean ac;
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int time;
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};
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static void get_devinfo(gpointer device, gpointer result)
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{
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gboolean online;
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gdouble percentage;
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guint state;
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guint kind;
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gint64 time_to_empty;
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gint64 time_to_full;
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struct context *ctx = result;
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g_object_get(G_OBJECT(device), "percentage", &percentage,
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"online", &online,
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"state", &state,
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"kind", &kind,
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"time-to-empty", &time_to_empty,
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"time-to-full", &time_to_full,
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NULL);
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if (kind == UP_DEVICE_KIND_BATTERY) {
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if (ctx->current == ctx->needed) {
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ctx->percentage = (int)percentage;
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ctx->state = state;
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if (time_to_empty)
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ctx->time = time_to_empty;
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else
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ctx->time = time_to_full;
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}
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ctx->current++;
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} else if (kind == UP_DEVICE_KIND_LINE_POWER) {
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ctx->ac |= online;
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}
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}
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int upower_supported(void)
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{
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UpClient *up;
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up = up_client_new();
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if (!up) {
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return 0;
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} else {
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GPtrArray *devices = up_client_get_devices(up);
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if (!devices) {
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g_object_unref(up);
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return 0;
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} else {
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g_ptr_array_unref(devices);
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g_object_unref(up);
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return 1;
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}
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}
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}
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/* Fill the passed apm_info struct. */
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int upower_read(int battery, apm_info *info)
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{
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UpClient *up;
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GPtrArray *devices = NULL;
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up = up_client_new();
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if (!up)
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return -1;
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#if !UP_CHECK_VERSION(0, 9, 99)
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/* Allow a battery that was not present before to appear. */
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up_client_enumerate_devices_sync(up, NULL, NULL);
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#endif
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devices = up_client_get_devices(up);
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if (!devices)
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return -1;
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info->battery_flags = 0;
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info->using_minutes = 0;
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struct context ctx = {
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.current = 0,
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.needed = battery - 1,
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.state = UP_DEVICE_STATE_UNKNOWN,
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.percentage = -1,
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.ac = FALSE,
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.time = -1
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};
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g_ptr_array_foreach(devices, &get_devinfo, &ctx);
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info->ac_line_status = ctx.ac;
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/* remaining_time and charge_level.percentage are not a mandatory
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* keys, so if not present, -1 will be returned */
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info->battery_time = ctx.time;
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info->battery_percentage = ctx.percentage;
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if (ctx.state == UP_DEVICE_STATE_DISCHARGING) {
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info->battery_status = BATTERY_STATUS_CHARGING;
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/* charge_level.warning and charge_level.low are not
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* required to be available; this is good enough */
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if (info->battery_percentage < 1)
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info->battery_status = BATTERY_STATUS_CRITICAL;
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else if (info->battery_percentage < 10)
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info->battery_status = BATTERY_STATUS_LOW;
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} else if (info->ac_line_status && ctx.state == UP_DEVICE_STATE_CHARGING) {
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info->battery_status = BATTERY_STATUS_CHARGING;
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info->battery_flags = info->battery_flags | BATTERY_FLAGS_CHARGING;
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} else if (info->ac_line_status) {
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/* Must be fully charged. */
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info->battery_status = BATTERY_STATUS_HIGH;
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} else {
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fprintf(stderr, "unknown battery state\n");
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}
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if (ctx.percentage < 0) {
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info->battery_percentage = 0;
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info->battery_time = 0;
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info->battery_status = BATTERY_STATUS_ABSENT;
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}
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g_ptr_array_free(devices, TRUE);
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g_object_unref(up);
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return 0;
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}
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