diff options
Diffstat (limited to 'source/3rd-party/SDL2/src/power/SDL_power.c')
-rw-r--r-- | source/3rd-party/SDL2/src/power/SDL_power.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/source/3rd-party/SDL2/src/power/SDL_power.c b/source/3rd-party/SDL2/src/power/SDL_power.c new file mode 100644 index 0000000..de77c09 --- /dev/null +++ b/source/3rd-party/SDL2/src/power/SDL_power.c @@ -0,0 +1,116 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 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" +#include "SDL_power.h" +#include "SDL_syspower.h" + +/* + * Returns SDL_TRUE if we have a definitive answer. + * SDL_FALSE to try next implementation. + */ +typedef SDL_bool + (*SDL_GetPowerInfo_Impl) (SDL_PowerState * state, int *seconds, + int *percent); + +#ifndef SDL_POWER_DISABLED +#ifdef SDL_POWER_HARDWIRED +/* This is for things that _never_ have a battery */ +static SDL_bool +SDL_GetPowerInfo_Hardwired(SDL_PowerState * state, int *seconds, int *percent) +{ + *seconds = -1; + *percent = -1; + *state = SDL_POWERSTATE_NO_BATTERY; + return SDL_TRUE; +} +#endif + +static SDL_GetPowerInfo_Impl implementations[] = { +#ifdef SDL_POWER_LINUX /* in order of preference. More than could work. */ + SDL_GetPowerInfo_Linux_org_freedesktop_upower, + SDL_GetPowerInfo_Linux_sys_class_power_supply, + SDL_GetPowerInfo_Linux_proc_acpi, + SDL_GetPowerInfo_Linux_proc_apm, +#endif +#ifdef SDL_POWER_WINDOWS /* handles Win32, Win64, PocketPC. */ + SDL_GetPowerInfo_Windows, +#endif +#ifdef SDL_POWER_UIKIT /* handles iPhone/iPad/etc */ + SDL_GetPowerInfo_UIKit, +#endif +#ifdef SDL_POWER_MACOSX /* handles Mac OS X, Darwin. */ + SDL_GetPowerInfo_MacOSX, +#endif +#ifdef SDL_POWER_HAIKU /* with BeOS euc.jp apm driver. Does this work on Haiku? */ + SDL_GetPowerInfo_Haiku, +#endif +#ifdef SDL_POWER_ANDROID /* handles Android. */ + SDL_GetPowerInfo_Android, +#endif +#ifdef SDL_POWER_PSP /* handles PSP. */ + SDL_GetPowerInfo_PSP, +#endif +#ifdef SDL_POWER_WINRT /* handles WinRT */ + SDL_GetPowerInfo_WinRT, +#endif +#ifdef SDL_POWER_EMSCRIPTEN /* handles Emscripten */ + SDL_GetPowerInfo_Emscripten, +#endif + +#ifdef SDL_POWER_HARDWIRED + SDL_GetPowerInfo_Hardwired, +#endif +}; +#endif + +SDL_PowerState +SDL_GetPowerInfo(int *seconds, int *percent) +{ +#ifndef SDL_POWER_DISABLED + const int total = sizeof(implementations) / sizeof(implementations[0]); + SDL_PowerState retval = SDL_POWERSTATE_UNKNOWN; + int i; +#endif + + int _seconds, _percent; + /* Make these never NULL for platform-specific implementations. */ + if (seconds == NULL) { + seconds = &_seconds; + } + if (percent == NULL) { + percent = &_percent; + } + +#ifndef SDL_POWER_DISABLED + for (i = 0; i < total; i++) { + if (implementations[i](&retval, seconds, percent)) { + return retval; + } + } +#endif + + /* nothing was definitive. */ + *seconds = -1; + *percent = -1; + return SDL_POWERSTATE_UNKNOWN; +} + +/* vi: set ts=4 sw=4 expandtab: */ |