Initial commit

1 files changed, 59 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/power/emscripten/SDL_syspower.c b/contrib/SDL-3.2.8/src/power/emscripten/SDL_syspower.c
new file mode 100644
index 0000000..14928de
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/power/emscripten/SDL_syspower.c
@@ -0,0 +1,59 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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
+#ifdef SDL_POWER_EMSCRIPTEN
+
+#include <emscripten/html5.h>
+
+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 false;
+    }
+
+    haveBattery = batteryState.level != 1.0 || !batteryState.charging || batteryState.chargingTime != 0.0;
+
+    if (!haveBattery) {
+        *state = SDL_POWERSTATE_NO_BATTERY;
+        *seconds = -1;
+        *percent = -1;
+        return true;
+    }
+
+    if (batteryState.charging) {
+        *state = batteryState.chargingTime == 0.0 ? SDL_POWERSTATE_CHARGED : SDL_POWERSTATE_CHARGING;
+    } else {
+        *state = SDL_POWERSTATE_ON_BATTERY;
+    }
+
+    *seconds = (int)batteryState.dischargingTime;
+    *percent = (int)batteryState.level * 100;
+
+    return true;
+}
+
+#endif // SDL_POWER_EMSCRIPTEN
+#endif // SDL_POWER_DISABLED