mirror of
https://github.com/thunderbrewhq/thunderbrew
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114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_internal.h"
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#include "SDL_syspower.h"
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/*
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* Returns true if we have a definitive answer.
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* false to try next implementation.
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*/
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typedef bool (*SDL_GetPowerInfo_Impl)(SDL_PowerState *state, int *seconds,
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int *percent);
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#ifndef SDL_POWER_DISABLED
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#ifdef SDL_POWER_HARDWIRED
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// This is for things that _never_ have a battery
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static bool SDL_GetPowerInfo_Hardwired(SDL_PowerState *state, int *seconds, int *percent)
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{
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*seconds = -1;
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*percent = -1;
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*state = SDL_POWERSTATE_NO_BATTERY;
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return true;
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}
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#endif
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static SDL_GetPowerInfo_Impl implementations[] = {
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#ifdef SDL_POWER_LINUX // in order of preference. More than could work.
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SDL_GetPowerInfo_Linux_org_freedesktop_upower,
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SDL_GetPowerInfo_Linux_sys_class_power_supply,
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SDL_GetPowerInfo_Linux_proc_acpi,
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SDL_GetPowerInfo_Linux_proc_apm,
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#endif
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#ifdef SDL_POWER_WINDOWS // handles Win32, Win64, PocketPC.
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SDL_GetPowerInfo_Windows,
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#endif
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#ifdef SDL_POWER_UIKIT // handles iPhone/iPad/etc
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SDL_GetPowerInfo_UIKit,
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#endif
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#ifdef SDL_POWER_MACOSX // handles macOS, Darwin.
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SDL_GetPowerInfo_MacOSX,
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#endif
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#ifdef SDL_POWER_HAIKU // with BeOS euc.jp apm driver. Does this work on Haiku?
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SDL_GetPowerInfo_Haiku,
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#endif
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#ifdef SDL_POWER_ANDROID // handles Android.
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SDL_GetPowerInfo_Android,
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#endif
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#ifdef SDL_POWER_PSP // handles PSP.
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SDL_GetPowerInfo_PSP,
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#endif
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#ifdef SDL_POWER_VITA // handles PSVita.
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SDL_GetPowerInfo_VITA,
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#endif
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#ifdef SDL_POWER_N3DS // handles N3DS.
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SDL_GetPowerInfo_N3DS,
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#endif
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#ifdef SDL_POWER_EMSCRIPTEN // handles Emscripten
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SDL_GetPowerInfo_Emscripten,
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#endif
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#ifdef SDL_POWER_HARDWIRED
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SDL_GetPowerInfo_Hardwired,
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#endif
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};
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#endif
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SDL_PowerState SDL_GetPowerInfo(int *seconds, int *percent)
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{
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#ifndef SDL_POWER_DISABLED
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const int total = sizeof(implementations) / sizeof(implementations[0]);
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SDL_PowerState result = SDL_POWERSTATE_UNKNOWN;
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int i;
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#endif
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int _seconds, _percent;
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// Make these never NULL for platform-specific implementations.
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if (!seconds) {
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seconds = &_seconds;
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}
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if (!percent) {
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percent = &_percent;
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}
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#ifndef SDL_POWER_DISABLED
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for (i = 0; i < total; i++) {
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if (implementations[i](&result, seconds, percent)) {
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return result;
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}
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}
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#endif
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// nothing was definitive.
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*seconds = -1;
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*percent = -1;
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return SDL_POWERSTATE_UNKNOWN;
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}
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