package com.android.mtp;
import android.annotation.Nullable;
import android.mtp.MtpConstants;
class MtpDeviceRecord {
public final int deviceId;
public final String name;
public final @Nullable String deviceKey;
public final boolean opened;
public final MtpRoot[] roots;
public final @Nullable int[] operationsSupported;
public final @Nullable int[] eventsSupported;
MtpDeviceRecord(int deviceId, String name, @Nullable String deviceKey, boolean opened,
MtpRoot[] roots, @Nullable int[] operationsSupported,
@Nullable int[] eventsSupported) {
this.deviceId = deviceId;
this.name = name;
this.opened = opened;
this.roots = roots;
this.deviceKey = deviceKey;
this.operationsSupported = operationsSupported;
this.eventsSupported = eventsSupported;
}
static boolean isSupported(@Nullable int[] supportedList, int code) {
if (supportedList == null) {
return false;
}
for (int i = 0; i < supportedList.length; i++) {
if (supportedList[i] == code) {
return true;
}
}
return false;
}
static boolean isPartialReadSupported(@Nullable int[] supportedList, long fileSize) {
if (isSupported(supportedList, MtpConstants.OPERATION_GET_PARTIAL_OBJECT_64)) {
return true;
}
if (0 <= fileSize &&
fileSize <= 0xffffffffL &&
isSupported(supportedList, MtpConstants.OPERATION_GET_PARTIAL_OBJECT)) {
return true;
}
return false;
}
static boolean isWritingSupported(@Nullable int[] supportedList) {
return isSupported(supportedList, MtpConstants.OPERATION_SEND_OBJECT_INFO) &&
isSupported(supportedList, MtpConstants.OPERATION_SEND_OBJECT);
}
}