From 154c781d64a102f23e85142c5aed3cc15e3af96f Mon Sep 17 00:00:00 2001
From: Dmitry Chapyshev <dmitry@reactos.org>
Date: Thu, 15 Jan 2009 15:32:30 +0000
Subject: [PATCH] - Add power.c file for power management functions - Move
 GetSystemPowerStatus, SetSystemPowerState, GetDevicePowerState,
 RequestDeviceWakeup, RequestWakeupLatency, CancelDeviceWakeupRequest,
 IsSystemResumeAutomatic, and SetMessageWaitingIndicator to power.c -
 Implement GetSystemPowerStatus

svn path=/trunk/; revision=38769
---
 reactos/dll/win32/kernel32/kernel32.rbuild |   1 +
 reactos/dll/win32/kernel32/misc/power.c    | 158 +++++++++++++++++++++
 reactos/dll/win32/kernel32/misc/stubs.c    | 114 ---------------
 3 files changed, 159 insertions(+), 114 deletions(-)
 create mode 100644 reactos/dll/win32/kernel32/misc/power.c

diff --git a/reactos/dll/win32/kernel32/kernel32.rbuild b/reactos/dll/win32/kernel32/kernel32.rbuild
index c3ef057768c..4d1cd5dd30b 100644
--- a/reactos/dll/win32/kernel32/kernel32.rbuild
+++ b/reactos/dll/win32/kernel32/kernel32.rbuild
@@ -80,6 +80,7 @@
 			<file>muldiv.c</file>
 			<file>nls.c</file>
 			<file>perfcnt.c</file>
+			<file>power.c</file>
 			<file>recovery.c</file>
 			<file>res.c</file>
 			<file>sortkey.c</file>
diff --git a/reactos/dll/win32/kernel32/misc/power.c b/reactos/dll/win32/kernel32/misc/power.c
new file mode 100644
index 00000000000..2d8bc3a3268
--- /dev/null
+++ b/reactos/dll/win32/kernel32/misc/power.c
@@ -0,0 +1,158 @@
+/*
+ *
+ * COPYRIGHT:       See COPYING in the top level directory
+ * PROJECT:         ReactOS system libraries
+ * FILE:            dll/win32/kernel32/misc/power.c
+ * PURPOSE:         Power Management Functions
+ * PROGRAMMER:      Dmitry Chapyshev <dmitry@reactos.org>
+ *
+ * UPDATE HISTORY:
+ *                  01/15/2009 Created
+ */
+
+#include <k32.h>
+
+#define NDEBUG
+#include <debug.h>
+
+#define STUB \
+  SetLastError(ERROR_CALL_NOT_IMPLEMENTED); \
+  DPRINT1("%s() is UNIMPLEMENTED!\n", __FUNCTION__)
+
+/* PUBLIC FUNCTIONS ***********************************************************/
+
+/*
+ * @implemented
+ */
+BOOL
+WINAPI
+GetSystemPowerStatus(LPSYSTEM_POWER_STATUS PowerStatus)
+{
+    NTSTATUS Status;
+    SYSTEM_BATTERY_STATE SysBatState;
+
+    Status = NtPowerInformation(SystemBatteryState,
+                                NULL,
+                                0,
+                                &SysBatState,
+                                sizeof(SYSTEM_BATTERY_STATE));
+
+    if (!NT_SUCCESS(Status))
+    {
+        SetLastErrorByStatus(Status);
+        return FALSE;
+    }
+
+    RtlZeroMemory(PowerStatus, sizeof(LPSYSTEM_POWER_STATUS));
+
+    PowerStatus->BatteryLifeTime = BATTERY_LIFE_UNKNOWN;
+    PowerStatus->BatteryFullLifeTime = BATTERY_LIFE_UNKNOWN;
+
+    PowerStatus->BatteryLifePercent = BATTERY_PERCENTAGE_UNKNOWN;
+    if (SysBatState.MaxCapacity)
+    {
+        if (SysBatState.MaxCapacity >= SysBatState.RemainingCapacity)
+            PowerStatus->BatteryLifePercent = (SysBatState.RemainingCapacity / SysBatState.MaxCapacity) * 100;
+        else
+            PowerStatus->BatteryLifePercent = 100; /* 100% */
+
+        if (PowerStatus->BatteryLifePercent <= 32)
+            PowerStatus->BatteryFlag |= BATTERY_FLAG_LOW;
+
+        if (PowerStatus->BatteryLifePercent >= 67)
+            PowerStatus->BatteryFlag |= BATTERY_FLAG_HIGH;
+    }
+
+    if (!SysBatState.BatteryPresent)
+        PowerStatus->BatteryFlag |= BATTERY_FLAG_NO_BATTERY;
+
+    if (SysBatState.Charging)
+        PowerStatus->BatteryFlag |= BATTERY_FLAG_CHARGING;
+
+    if (!SysBatState.AcOnLine && SysBatState.BatteryPresent)
+        PowerStatus->ACLineStatus = AC_LINE_OFFLINE;
+    else
+        PowerStatus->ACLineStatus = AC_LINE_ONLINE;
+
+    if (SysBatState.EstimatedTime)
+        PowerStatus->BatteryLifeTime = SysBatState.EstimatedTime;
+
+    return TRUE;
+}
+
+/*
+ * @unimplemented
+ */
+BOOL WINAPI
+SetSystemPowerState(BOOL fSuspend, BOOL fForce)
+{
+    STUB;
+    return FALSE;
+}
+
+/*
+ * @unimplemented
+ */
+BOOL
+WINAPI
+GetDevicePowerState(HANDLE hDevice, BOOL *pfOn)
+{
+    STUB;
+    return 0;
+}
+
+/*
+ * @unimplemented
+ */
+BOOL
+WINAPI
+RequestDeviceWakeup(HANDLE hDevice)
+{
+    STUB;
+    return 0;
+}
+
+/*
+ * @unimplemented
+ */
+BOOL
+WINAPI
+RequestWakeupLatency(LATENCY_TIME latency)
+{
+    STUB;
+    return 0;
+}
+
+/*
+ * @unimplemented
+ */
+BOOL
+WINAPI
+CancelDeviceWakeupRequest(HANDLE hDevice)
+{
+    STUB;
+    return 0;
+}
+
+/*
+ * @unimplemented
+ */
+BOOL
+WINAPI
+IsSystemResumeAutomatic(VOID)
+{
+    STUB;
+    return 0;
+}
+
+/*
+ * @unimplemented
+ */
+BOOL
+WINAPI
+SetMessageWaitingIndicator(HANDLE hMsgIndicator,
+                           ULONG ulMsgCount)
+{
+    STUB;
+    return 0;
+}
diff --git a/reactos/dll/win32/kernel32/misc/stubs.c b/reactos/dll/win32/kernel32/misc/stubs.c
index ba8de277672..4bd44a59bfd 100644
--- a/reactos/dll/win32/kernel32/misc/stubs.c
+++ b/reactos/dll/win32/kernel32/misc/stubs.c
@@ -153,26 +153,6 @@ GetNextVDMCommand (
 }
 
 
-/*
- * @unimplemented
- */
-BOOL
-WINAPI
-GetSystemPowerStatus (
-    LPSYSTEM_POWER_STATUS PowerStatus
-    )
-{
-    STUB;
-    PowerStatus->ACLineStatus = 1;
-    PowerStatus->BatteryFlag = 128;
-    PowerStatus->BatteryLifePercent = 255;
-    PowerStatus->Reserved1 = 0;
-    PowerStatus->BatteryLifeTime = -1;
-    PowerStatus->BatteryFullLifeTime = -1;
-    return TRUE;
-}
-
-
 /*
  * @unimplemented
  */
@@ -240,20 +220,6 @@ RegisterWowExec (
 }
 
 
-/*
- * @unimplemented
- */
-BOOL WINAPI
-SetSystemPowerState (
-    BOOL fSuspend,
-    BOOL fForce
-    )
-{
-    STUB;
-    return FALSE;
-}
-
-
 /*
  * @unimplemented
  */
@@ -367,19 +333,6 @@ BindIoCompletionCallback(HANDLE FileHandle,
     return TRUE;
 }
 
-/*
- * @unimplemented
- */
-BOOL
-WINAPI
-CancelDeviceWakeupRequest(
-    HANDLE hDevice
-    )
-{
-    STUB;
-    return 0;
-}
-
 /*
  * @unimplemented
  */
@@ -422,20 +375,6 @@ FreeUserPhysicalPages(
     return 0;
 }
 
-/*
- * @unimplemented
- */
-BOOL
-WINAPI
-GetDevicePowerState(
-    HANDLE hDevice,
-    BOOL *pfOn
-    )
-{
-    STUB;
-    return 0;
-}
-
 
 /*
  * @unimplemented
@@ -511,19 +450,6 @@ HeapSetInformation (
     return 0;
 }
 
-/*
- * @unimplemented
- */
-BOOL
-WINAPI
-IsSystemResumeAutomatic(
-    VOID
-    )
-{
-    STUB;
-    return 0;
-}
-
 /*
  * @unimplemented
  */
@@ -609,32 +535,6 @@ RemoveVectoredExceptionHandler(
     return 0;
 }
 
-/*
- * @unimplemented
- */
-BOOL
-WINAPI
-RequestDeviceWakeup(
-    HANDLE hDevice
-    )
-{
-    STUB;
-    return 0;
-}
-
-/*
- * @unimplemented
- */
-BOOL
-WINAPI
-RequestWakeupLatency(
-    LATENCY_TIME latency
-    )
-{
-    STUB;
-    return 0;
-}
-
 /*
  * @unimplemented
  */
@@ -661,20 +561,6 @@ RestoreLastError(
     STUB;
 }
 
-/*
- * @unimplemented
- */
-BOOL
-WINAPI
-SetMessageWaitingIndicator(
-    HANDLE hMsgIndicator,
-    ULONG ulMsgCount
-    )
-{
-    STUB;
-    return 0;
-}
-
 /*
  * @unimplemented
  */