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Commit f20a5eb2 authored by Ruchi Kandoi's avatar Ruchi Kandoi
Browse files

PowerManager: add powerHint method 

Add powerHint method to IPowerManager for passing power hints from other
processes.

Change-Id: Ic596ace2ed1796a6da4cddb2163dcc4536115e55
parent 0a0454fd

core/java/android/os/IPowerManager.aidl

+2 −1
Original line number Diff line number Diff line
@@ -23,7 +23,7 @@ import android.os.WorkSource; 


interface IPowerManager

{

    // WARNING: The first four methods must remain the first three methods because their

    // WARNING: The first five methods must remain the first five methods because their

    // transaction numbers must not change unless IPowerManager.cpp is also updated.

    void acquireWakeLock(IBinder lock, int flags, String tag, String packageName, in WorkSource ws,

            String historyTag);
@@ -31,6 +31,7 @@ interface IPowerManager 
            int uidtoblame);

    void releaseWakeLock(IBinder lock, int flags);

    void updateWakeLockUids(IBinder lock, in int[] uids);

    oneway void powerHint(int hintId, int data);



    void updateWakeLockWorkSource(IBinder lock, in WorkSource ws, String historyTag);

    boolean isWakeLockLevelSupported(int level);

services/core/java/com/android/server/power/PowerManagerService.java

+7 −0
Original line number Diff line number Diff line
@@ -406,6 +406,7 @@ public final class PowerManagerService extends com.android.server.SystemService 
    private static native void nativeReleaseSuspendBlocker(String name);

    private static native void nativeSetInteractive(boolean enable);

    private static native void nativeSetAutoSuspend(boolean enable);

    private static native void nativeSendPowerHint(int hintId, int data);



    public PowerManagerService(Context context) {

        super(context);
@@ -2547,6 +2548,12 @@ public final class PowerManagerService extends com.android.server.SystemService 
            acquireWakeLock(lock, flags, tag, packageName, new WorkSource(uid), null);

        }



        @Override // Binder call

        public void powerHint(int hintId, int data) {

            mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);

            nativeSendPowerHint(hintId, data);

        }



        @Override // Binder call

        public void acquireWakeLock(IBinder lock, int flags, String tag, String packageName,

                WorkSource ws, String historyTag) {

services/core/jni/com_android_server_power_PowerManagerService.cpp

+8 −0
Original line number Diff line number Diff line
@@ -189,6 +189,12 @@ static void nativeSetAutoSuspend(JNIEnv *env, jclass clazz, jboolean enable) { 
    }

}



static void nativeSendPowerHint(JNIEnv *env, jclass clazz, jint hintId, jint data) {

    if (gPowerModule && gPowerModule->powerHint) {

        gPowerModule->powerHint(gPowerModule, (power_hint_t)hintId, (void *)data);

    }

}



// ----------------------------------------------------------------------------



static JNINativeMethod gPowerManagerServiceMethods[] = {
@@ -205,6 +211,8 @@ static JNINativeMethod gPowerManagerServiceMethods[] = { 
            (void*) nativeSetInteractive },

    { "nativeSetAutoSuspend", "(Z)V",

            (void*) nativeSetAutoSuspend },

    { "nativeSendPowerHint", "(II)V",

            (void*) nativeSendPowerHint },

};



#define FIND_CLASS(var, className) \