Add API to access battery power state

Done:
- X11, server (tested)
- Windows (developed, would be nice to retest)
- OSX (not tested)
Prepared (not developed):
- Android (code is here, but may not compile)
- iphone
- winrt
- bb10
- haiku
- javascript

2 files changed, 26 insertions, 0 deletions

diff --git a/core/bind/core_bind.cpp b/core/bind/core_bind.cpp
index 79cfae0a3..e4348cc40 100644
--- a/core/bind/core_bind.cpp
+++ b/core/bind/core_bind.cpp
@@ -450,6 +450,17 @@ bool _OS::is_vsync_enabled() const {
 	return OS::get_singleton()->is_vsync_enabled();
 }
 
+PowerState _OS::get_power_state() {
+	return OS::get_singleton()->get_power_state();
+}
+
+int _OS::get_power_seconds_left() {
+	return OS::get_singleton()->get_power_seconds_left();
+}
+
+int _OS::get_power_percent_left() {
+	return OS::get_singleton()->get_power_percent_left();
+}
 
 /*
 enum Weekday {
@@ -1113,6 +1124,10 @@ void _OS::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_use_vsync","enable"),&_OS::set_use_vsync);
 	ClassDB::bind_method(D_METHOD("is_vsync_enabled"),&_OS::is_vsync_enabled);
 
+	ClassDB::bind_method(D_METHOD("get_power_state"),&_OS::get_power_state);
+	ClassDB::bind_method(D_METHOD("get_power_seconds_left"),&_OS::get_power_seconds_left);
+	ClassDB::bind_method(D_METHOD("get_power_percent_left"),&_OS::get_power_percent_left);
+
 	BIND_CONSTANT( DAY_SUNDAY );
 	BIND_CONSTANT( DAY_MONDAY );
 	BIND_CONSTANT( DAY_TUESDAY );
@@ -1150,6 +1165,12 @@ void _OS::_bind_methods() {
 	BIND_CONSTANT( SYSTEM_DIR_MUSIC );
 	BIND_CONSTANT( SYSTEM_DIR_PICTURES );
 	BIND_CONSTANT( SYSTEM_DIR_RINGTONES );
+	
+	BIND_CONSTANT( POWERSTATE_UNKNOWN );
+	BIND_CONSTANT( POWERSTATE_ON_BATTERY );
+	BIND_CONSTANT( POWERSTATE_NO_BATTERY );
+	BIND_CONSTANT( POWERSTATE_CHARGING );
+	BIND_CONSTANT( POWERSTATE_CHARGED );
 
 }
 
diff --git a/core/bind/core_bind.h b/core/bind/core_bind.h
index 4241912dd..b6aa87376 100644
--- a/core/bind/core_bind.h
+++ b/core/bind/core_bind.h
@@ -35,6 +35,7 @@
 #include "os/dir_access.h"
 #include "os/thread.h"
 #include "os/semaphore.h"
+#include "os/power.h"
 
 
 class _ResourceLoader : public Object  {
@@ -308,6 +309,10 @@ public:
 	void set_use_vsync(bool p_enable);
 	bool is_vsync_enabled() const;
 
+	PowerState get_power_state();
+	int get_power_seconds_left();
+	int get_power_percent_left();
+
 	static _OS *get_singleton() { return singleton; }
 
 	_OS();