Exemplo n.º 1
0
Arquivo: android.c Projeto: CCQIU/CC
/* returns a new global reference which needs to be released later */
static jobject CC_CALL cc_jni_GetSystemServiceObject(const char* name)
{
    struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__);
    JNIEnv* env = cc_jni_get_env();
    jobject retval = NULL;

    if (!LocalReferenceHolder_Init(&refs, env)) {
        LocalReferenceHolder_Cleanup(&refs);
        return NULL;
    }

    jstring service = (*env)->NewStringUTF(env, name);

    jmethodID mid;

    mid = (*env)->GetStaticMethodID(env, _activity_class, "getContext", "()Landroid/content/Context;");
    jobject context = (*env)->CallStaticObjectMethod(env, _activity_class, mid);

    mid = (*env)->GetMethodID(env, _activity_class, "getSystemServiceFromUiThread", "(Ljava/lang/String;)Ljava/lang/Object;");
    jobject manager = (*env)->CallObjectMethod(env, context, mid, service);

    (*env)->DeleteLocalRef(env, service);

    retval = manager ? (*env)->NewGlobalRef(env, manager) : NULL;
    LocalReferenceHolder_Cleanup(&refs);
    return retval;
}
Exemplo n.º 2
0
Arquivo: android.c Projeto: CCQIU/CC
/* returns 0 on success or -1 on error (others undefined then)
 * returns truthy or falsy value in plugged, charged and battery
 * returns the value in seconds and percent or -1 if not available
 */
int CC_CALL cc_jni_get_power_info(int* plugged, int* charged, int* battery, int* seconds, int* percent)
{
    struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__);
    JNIEnv* env = cc_jni_get_env();
    jmethodID mid;

    if (!LocalReferenceHolder_Init(&refs, env)) {
        LocalReferenceHolder_Cleanup(&refs);
        return -1;
    }


    mid = (*env)->GetStaticMethodID(env, _activity_class, "getContext", "()Landroid/content/Context;");
    jobject context = (*env)->CallStaticObjectMethod(env, _activity_class, mid);

    jstring action = (*env)->NewStringUTF(env, "android.intent.action.BATTERY_CHANGED");

    jclass cls = (*env)->FindClass(env, "android/content/IntentFilter");

    mid = (*env)->GetMethodID(env, cls, "<init>", "(Ljava/lang/String;)V");
    jobject filter = (*env)->NewObject(env, cls, mid, action);

    (*env)->DeleteLocalRef(env, action);

    mid = (*env)->GetMethodID(env, _activity_class, "registerReceiver", "(Landroid/content/BroadcastReceiver;Landroid/content/IntentFilter;)Landroid/content/Intent;");
    jobject intent = (*env)->CallObjectMethod(env, context, mid, NULL, filter);

    (*env)->DeleteLocalRef(env, filter);

    cls = (*env)->GetObjectClass(env, intent);

    jstring iname;
    jmethodID imid = (*env)->GetMethodID(env, cls, "getIntExtra", "(Ljava/lang/String;I)I");

#define GET_INT_EXTRA(var, key) \
    iname = (*env)->NewStringUTF(env, key); \
    int var = (*env)->CallIntMethod(env, intent, imid, iname, -1); \
    (*env)->DeleteLocalRef(env, iname);

    jstring bname;
    jmethodID bmid = (*env)->GetMethodID(env, cls, "getBooleanExtra", "(Ljava/lang/String;Z)Z");

#define GET_BOOL_EXTRA(var, key) \
    bname = (*env)->NewStringUTF(env, key); \
    int var = (*env)->CallBooleanMethod(env, intent, bmid, bname, JNI_FALSE); \
    (*env)->DeleteLocalRef(env, bname);

    if (plugged) {
        GET_INT_EXTRA(plug, "plugged") /* == BatteryManager.EXTRA_PLUGGED (API 5) */
        if (plug == -1) {
            LocalReferenceHolder_Cleanup(&refs);
            return -1;
        }
        /* 1 == BatteryManager.BATTERY_PLUGGED_AC */
        /* 2 == BatteryManager.BATTERY_PLUGGED_USB */
        *plugged = (0 < plug) ? 1 : 0;
    }

    if (charged) {
        GET_INT_EXTRA(status, "status") /* == BatteryManager.EXTRA_STATUS (API 5) */
        if (status == -1) {
            LocalReferenceHolder_Cleanup(&refs);
            return -1;
        }
        /* 5 == BatteryManager.BATTERY_STATUS_FULL */
        *charged = (status == 5) ? 1 : 0;
    }

    if (battery) {
        GET_BOOL_EXTRA(present, "present") /* == BatteryManager.EXTRA_PRESENT (API 5) */
        *battery = present ? 1 : 0;
    }

    if (seconds) {
        *seconds = -1; /* not possible */
    }

    if (percent) {
        GET_INT_EXTRA(level, "level") /* == BatteryManager.EXTRA_LEVEL (API 5) */
        GET_INT_EXTRA(scale, "scale") /* == BatteryManager.EXTRA_SCALE (API 5) */
        if ((level == -1) || (scale == -1)) {
            LocalReferenceHolder_Cleanup(&refs);
            return -1;
        }
        *percent = level * 100 / scale;
    }

    (*env)->DeleteLocalRef(env, intent);

    LocalReferenceHolder_Cleanup(&refs);
    return 0;
}
Exemplo n.º 3
0
/* 
 *  CODE CHUNK IMPORTED FROM SDL 2.0
 * returns 0 on success or -1 on error (others undefined then)
 * returns truthy or falsy value in plugged, charged and battery
 * returns the value in seconds and percent or -1 if not available
 */
int Android_JNI_GetPowerInfo(int *plugged, int *charged, int *battery, int *seconds, int *percent) {
	env = Android_JNI_GetEnv();
	refs = LocalReferenceHolder_Setup(__FUNCTION__);

	if (!LocalReferenceHolder_Init(&refs, env)) {
		LocalReferenceHolder_Cleanup(&refs);
		return -1;
	}
	mid = (*env)->GetStaticMethodID(env, mActivityClass, "getContext", "()Landroid/content/Context;");
	context = (*env)->CallStaticObjectMethod(env, mActivityClass, mid);
	action = (*env)->NewStringUTF(env, "android.intent.action.BATTERY_CHANGED");
	cls = (*env)->FindClass(env, "android/content/IntentFilter");
	mid = (*env)->GetMethodID(env, cls, "<init>", "(Ljava/lang/String;)V");
	filter = (*env)->NewObject(env, cls, mid, action);
	(*env)->DeleteLocalRef(env, action);
	mid = (*env)->GetMethodID(env, mActivityClass, "registerReceiver", "(Landroid/content/BroadcastReceiver;Landroid/content/IntentFilter;)Landroid/content/Intent;");
	intent = (*env)->CallObjectMethod(env, context, mid, NULL, filter);
	(*env)->DeleteLocalRef(env, filter);
	cls = (*env)->GetObjectClass(env, intent);
	imid = (*env)->GetMethodID(env, cls, "getIntExtra", "(Ljava/lang/String;I)I");
// Watch out for C89 scoping rules because of the macro
#define GET_INT_EXTRA(var, key)                                \
	int var;                                                   \
	iname = (*env)->NewStringUTF(env, key);                    \
	var = (*env)->CallIntMethod(env, intent, imid, iname, -1); \
	(*env)->DeleteLocalRef(env, iname);
	bmid = (*env)->GetMethodID(env, cls, "getBooleanExtra", "(Ljava/lang/String;Z)Z");
// Watch out for C89 scoping rules because of the macro
#define GET_BOOL_EXTRA(var, key)                                          \
	int var;                                                              \
	bname = (*env)->NewStringUTF(env, key);                               \
	var = (*env)->CallBooleanMethod(env, intent, bmid, bname, JNI_FALSE); \
	(*env)->DeleteLocalRef(env, bname);
	if (plugged) {
		// Watch out for C89 scoping rules because of the macro
		GET_INT_EXTRA(plug, "plugged") // == BatteryManager.EXTRA_PLUGGED (API 5)
		if (plug == -1) {
			LocalReferenceHolder_Cleanup(&refs);
			return -1;
		}
		// 1 == BatteryManager.BATTERY_PLUGGED_AC
		// 2 == BatteryManager.BATTERY_PLUGGED_USB
		*plugged = (0 < plug) ? 1 : 0;
	}
	if (charged) {
		// Watch out for C89 scoping rules because of the macro
		GET_INT_EXTRA(status, "status") // == BatteryManager.EXTRA_STATUS (API 5)
		if (status == -1) {
			LocalReferenceHolder_Cleanup(&refs);
			return -1;
		}
		// 5 == BatteryManager.BATTERY_STATUS_FULL
		*charged = (status == 5) ? 1 : 0;
	}
	if (battery) {
		GET_BOOL_EXTRA(present, "present") // == BatteryManager.EXTRA_PRESENT (API 5)
		*battery = present ? 1 : 0;
	}
	if (seconds) {
		*seconds = -1; // not possible
	}
	if (percent) {
		int level;
		int scale;
		// Watch out for C89 scoping rules because of the macro
		{
			GET_INT_EXTRA(level_temp, "level") // == BatteryManager.EXTRA_LEVEL (API 5)
			level = level_temp;
		}
		// Watch out for C89 scoping rules because of the macro
		{
			GET_INT_EXTRA(scale_temp, "scale") // == BatteryManager.EXTRA_SCALE (API 5)
			scale = scale_temp;
		}
		if ((level == -1) || (scale == -1)) {
			LocalReferenceHolder_Cleanup(&refs);
			return -1;
		}
		*percent = level * 100 / scale;
	}
	(*env)->DeleteLocalRef(env, intent);
	LocalReferenceHolder_Cleanup(&refs);

	return 0;
}