Implemented SDL power APIs for iPhoneOS.
This commit is contained in:
Ryan C. Gordon
parent
4f49f9e01e
commit
c236844aac
6 changed files with 237 additions and 2 deletions
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@ -65,6 +65,8 @@
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@ -247,6 +249,8 @@
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@ -488,6 +492,23 @@
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56ED04E0118A8EE200A56AA6 /* SDL_power.c */,
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@ -642,6 +663,7 @@
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56ED04DE118A8E9A00A56AA6 /* power */,
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@ -1103,6 +1125,8 @@
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@ -288,6 +298,10 @@
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@ -386,6 +400,21 @@
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@ -824,6 +853,7 @@
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#define SDL_VIDEO_RENDER_OGL_ES 1
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/* Enable system power support */
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#define SDL_POWER_MACOSX 1
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#define SDL_POWER_UIKIT 1
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/* enable iPhone keyboard support */
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#define SDL_IPHONE_KEYBOARD 0
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SDL_bool SDL_GetPowerInfo_MacOSX(SDL_PowerState *, int *, int *);
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SDL_bool SDL_GetPowerInfo_BeOS(SDL_PowerState *, int *, int *);
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SDL_bool SDL_GetPowerInfo_NintendoDS(SDL_PowerState *, int *, int *);
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SDL_bool SDL_GetPowerInfo_UIKit(SDL_PowerState *, int *, int *);
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#ifndef SDL_POWER_DISABLED
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#ifdef SDL_POWER_HARDWIRED
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@ -61,7 +62,10 @@ static SDL_GetPowerInfo_Impl implementations[] = {
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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_MACOSX /* handles Mac OS X, Darwin, iPhone. */
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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 Mac OS X, Darwin. */
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SDL_GetPowerInfo_MacOSX,
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#endif
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#ifdef SDL_POWER_NINTENDODS /* handles Nintendo DS. */
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100
src/power/uikit/SDL_syspower.m
Normal file
100
src/power/uikit/SDL_syspower.m
Normal file
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@ -0,0 +1,100 @@
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/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2010 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifndef SDL_POWER_DISABLED
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#ifdef SDL_POWER_UIKIT
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#import <UIKit/UIKit.h>
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#include "SDL_power.h"
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||||
#include "SDL_timer.h"
|
||||
#include "SDL_assert.h"
|
||||
|
||||
// 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) {
|
||||
const Uint32 prev = SDL_UIKitLastPowerInfoQuery;
|
||||
const UInt32 now = SDL_GetTicks();
|
||||
const UInt32 ticks = now - prev;
|
||||
// if timer wrapped (now < prev), shut down, too.
|
||||
if ((now < prev) || (ticks >= BATTERY_MONITORING_TIMEOUT)) {
|
||||
UIDevice *uidev = [UIDevice currentDevice];
|
||||
SDL_assert([uidev isBatteryMonitoringEnabled] == YES);
|
||||
[uidev setBatteryMonitoringEnabled:NO];
|
||||
SDL_UIKitLastPowerInfoQuery = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SDL_bool
|
||||
SDL_GetPowerInfo_UIKit(SDL_PowerState * state, int *seconds, int *percent)
|
||||
{
|
||||
UIDevice *uidev = [UIDevice currentDevice];
|
||||
|
||||
if (!SDL_UIKitLastPowerInfoQuery) {
|
||||
SDL_assert([uidev isBatteryMonitoringEnabled] == NO);
|
||||
[uidev setBatteryMonitoringEnabled: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 + 0.5f)) * 100) );
|
||||
return SDL_TRUE; /* always the definitive answer on iPhoneOS. */
|
||||
}
|
||||
|
||||
#endif /* SDL_POWER_UIKIT */
|
||||
#endif /* SDL_POWER_DISABLED */
|
||||
|
||||
/* vi: set ts=4 sw=4 expandtab: */
|
||||
|
|
@ -73,9 +73,14 @@ UIKit_GL_LoadLibrary(_THIS, const char *path)
|
|||
return 0;
|
||||
}
|
||||
|
||||
extern void SDL_UIKit_UpdateBatteryMonitoring(void);
|
||||
|
||||
void UIKit_GL_SwapWindow(_THIS, SDL_Window * window)
|
||||
{
|
||||
#ifdef SDL_POWER_UIKIT
|
||||
// Check once a frame to see if we should turn off the battery monitor.
|
||||
SDL_UIKit_UpdateBatteryMonitoring();
|
||||
#endif
|
||||
|
||||
SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue