SDL_syspower.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#ifndef SDL_POWER_DISABLED
#if SDL_POWER_EMSCRIPTEN
#include <emscripten/html5.h>
#include "SDL_power.h"
SDL_bool
SDL_GetPowerInfo_Emscripten(SDL_PowerState *state, int *seconds, int *percent)
{
EmscriptenBatteryEvent batteryState;
int haveBattery = 0;
if (emscripten_get_battery_status(&batteryState) == EMSCRIPTEN_RESULT_NOT_SUPPORTED)
return SDL_FALSE;
haveBattery = batteryState.level != 1.0 || !batteryState.charging || batteryState.chargingTime != 0.0;
if (!haveBattery) {
*state = SDL_POWERSTATE_NO_BATTERY;
*seconds = -1;
*percent = -1;
return SDL_TRUE;
}
if (batteryState.charging)
*state = batteryState.chargingTime == 0.0 ? SDL_POWERSTATE_CHARGED : SDL_POWERSTATE_CHARGING;
else
*state = SDL_POWERSTATE_ON_BATTERY;
*seconds = batteryState.dischargingTime;
*percent = batteryState.level * 100;
return SDL_TRUE;
}
#endif /* SDL_POWER_EMSCRIPTEN */
#endif /* SDL_POWER_DISABLED */
/* vi: set ts=4 sw=4 expandtab: */
state
struct xkb_state * state
Definition: SDL_waylandsym.h:94
SDL_POWERSTATE_CHARGED
Definition: SDL_power.h:48
SDL_POWERSTATE_NO_BATTERY
Definition: SDL_power.h:46
SDL_GetPowerInfo_Emscripten
SDL_bool SDL_GetPowerInfo_Emscripten(SDL_PowerState *, int *, int *)
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:126
SDL_TRUE
Definition: SDL_stdinc.h:129
SDL_power.h
SDL_POWERSTATE_CHARGING
Definition: SDL_power.h:47
SDL_POWERSTATE_ON_BATTERY
Definition: SDL_power.h:45
SDL_PowerState
SDL_PowerState
The basic state for the system&#39;s power supply.
Definition: SDL_power.h:42
SDL_FALSE
Definition: SDL_stdinc.h:128