From 9645be0af1b1d5cb0ad5892d5464e1b23c51b550 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sat, 11 May 2019 22:54:56 +0800
Subject: *init
---
.../3rd-party/SDL2/src/power/uikit/SDL_syspower.m | 113 +++++++++++++++++++++
1 file changed, 113 insertions(+)
create mode 100644 source/3rd-party/SDL2/src/power/uikit/SDL_syspower.m
(limited to 'source/3rd-party/SDL2/src/power/uikit/SDL_syspower.m')
diff --git a/source/3rd-party/SDL2/src/power/uikit/SDL_syspower.m b/source/3rd-party/SDL2/src/power/uikit/SDL_syspower.m
new file mode 100644
index 0000000..cb8a252
--- /dev/null
+++ b/source/3rd-party/SDL2/src/power/uikit/SDL_syspower.m
@@ -0,0 +1,113 @@
+/*
+ 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"
+
+#ifndef SDL_POWER_DISABLED
+#if SDL_POWER_UIKIT
+
+#import <UIKit/UIKit.h>
+
+#include "SDL_power.h"
+#include "SDL_timer.h"
+#include "SDL_assert.h"
+#include "SDL_syspower.h"
+
+#if !TARGET_OS_TV
+/* turn off the battery monitor if it's been more than X ms since last check. */
+static const int BATTERY_MONITORING_TIMEOUT = 3000;
+static Uint32 SDL_UIKitLastPowerInfoQuery = 0;
+
+void
+SDL_UIKit_UpdateBatteryMonitoring(void)
+{
+ if (SDL_UIKitLastPowerInfoQuery) {
+ if (SDL_TICKS_PASSED(SDL_GetTicks(), SDL_UIKitLastPowerInfoQuery + BATTERY_MONITORING_TIMEOUT)) {
+ UIDevice *uidev = [UIDevice currentDevice];
+ SDL_assert([uidev isBatteryMonitoringEnabled] == YES);
+ [uidev setBatteryMonitoringEnabled:NO];
+ SDL_UIKitLastPowerInfoQuery = 0;
+ }
+ }
+}
+#else
+void
+SDL_UIKit_UpdateBatteryMonitoring(void)
+{
+ /* Do nothing. */
+}
+#endif /* !TARGET_OS_TV */
+
+SDL_bool
+SDL_GetPowerInfo_UIKit(SDL_PowerState * state, int *seconds, int *percent)
+{
+#if TARGET_OS_TV
+ *state = SDL_POWERSTATE_NO_BATTERY;
+ *seconds = -1;
+ *percent = -1;
+#else /* TARGET_OS_TV */
+ @autoreleasepool {
+ UIDevice *uidev = [UIDevice currentDevice];
+
+ if (!SDL_UIKitLastPowerInfoQuery) {
+ SDL_assert(uidev.isBatteryMonitoringEnabled == NO);
+ uidev.batteryMonitoringEnabled = YES;
+ }
+
+ /* UIKit_GL_SwapWindow() (etc) will check this and disable the battery
+ * monitoring if the app hasn't queried it in the last X seconds.
+ * Apparently monitoring the battery burns battery life. :)
+ * Apple's docs say not to monitor the battery unless you need it.
+ */
+ SDL_UIKitLastPowerInfoQuery = SDL_GetTicks();
+
+ *seconds = -1; /* no API to estimate this in UIKit. */
+
+ switch (uidev.batteryState) {
+ case UIDeviceBatteryStateCharging:
+ *state = SDL_POWERSTATE_CHARGING;
+ break;
+
+ case UIDeviceBatteryStateFull:
+ *state = SDL_POWERSTATE_CHARGED;
+ break;
+
+ case UIDeviceBatteryStateUnplugged:
+ *state = SDL_POWERSTATE_ON_BATTERY;
+ break;
+
+ case UIDeviceBatteryStateUnknown:
+ default:
+ *state = SDL_POWERSTATE_UNKNOWN;
+ break;
+ }
+
+ const float level = uidev.batteryLevel;
+ *percent = ( (level < 0.0f) ? -1 : ((int) ((level * 100) + 0.5f)) );
+ }
+#endif /* TARGET_OS_TV */
+
+ return SDL_TRUE; /* always the definitive answer on iOS. */
+}
+
+#endif /* SDL_POWER_UIKIT */
+#endif /* SDL_POWER_DISABLED */
+
+/* vi: set ts=4 sw=4 expandtab: */
--
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