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-rw-r--r--source/3rd-party/SDL2/src/power/SDL_power.c116
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
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+++ 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: */