mirror of
https://github.com/google/pebble.git
synced 2025-05-03 16:31:40 -04:00
78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/*
|
|
* Copyright 2024 Google LLC
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "battery_state_service.h"
|
|
|
|
#include "event_service_client.h"
|
|
#include "kernel/events.h"
|
|
#include "services/common/event_service.h"
|
|
#include "syscall/syscall.h"
|
|
#include "system/passert.h"
|
|
|
|
#include "process_state/app_state/app_state.h"
|
|
#include "process_state/worker_state/worker_state.h"
|
|
|
|
|
|
// ----------------------------------------------------------------------------------------------------
|
|
static BatteryStateServiceState* prv_get_state(PebbleTask task) {
|
|
if (task == PebbleTask_Unknown) {
|
|
task = pebble_task_get_current();
|
|
}
|
|
|
|
if (task == PebbleTask_App) {
|
|
return app_state_get_battery_state_service_state();
|
|
} else if (task == PebbleTask_Worker) {
|
|
return worker_state_get_battery_state_service_state();
|
|
} else {
|
|
WTF;
|
|
}
|
|
}
|
|
|
|
|
|
static void do_handle(PebbleEvent *e, void *context) {
|
|
BatteryStateServiceState *state = prv_get_state(PebbleTask_Unknown);
|
|
PBL_ASSERTN(state->handler != NULL);
|
|
state->handler(sys_battery_get_charge_state());
|
|
}
|
|
|
|
void battery_state_service_init(void) {
|
|
event_service_init(PEBBLE_BATTERY_STATE_CHANGE_EVENT, NULL, NULL);
|
|
}
|
|
|
|
void battery_state_service_subscribe(BatteryStateHandler handler) {
|
|
BatteryStateServiceState *state = prv_get_state(PebbleTask_Unknown);
|
|
state->handler = handler;
|
|
event_service_client_subscribe(&state->bss_info);
|
|
}
|
|
|
|
BatteryChargeState battery_state_service_peek(void) {
|
|
return (sys_battery_get_charge_state());
|
|
}
|
|
|
|
void battery_state_service_unsubscribe(void) {
|
|
BatteryStateServiceState *state = prv_get_state(PebbleTask_Unknown);
|
|
event_service_client_unsubscribe(&state->bss_info);
|
|
state->handler = NULL;
|
|
}
|
|
|
|
void battery_state_service_state_init(BatteryStateServiceState *state) {
|
|
*state = (BatteryStateServiceState) {
|
|
.bss_info = {
|
|
.type = PEBBLE_BATTERY_STATE_CHANGE_EVENT,
|
|
.handler = &do_handle,
|
|
},
|
|
};
|
|
}
|