1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.hardware.usb; 18 19import android.app.PendingIntent; 20import android.hardware.usb.UsbAccessory; 21import android.hardware.usb.UsbDevice; 22import android.os.Bundle; 23import android.os.ParcelFileDescriptor; 24 25/** @hide */ 26interface IUsbManager 27{ 28 /* Returns a list of all currently attached USB devices */ 29 void getDeviceList(out Bundle devices); 30 31 /* Returns a file descriptor for communicating with the USB device. 32 * The native fd can be passed to usb_device_new() in libusbhost. 33 */ 34 ParcelFileDescriptor openDevice(String deviceName); 35 36 /* Returns the currently attached USB accessory */ 37 UsbAccessory getCurrentAccessory(); 38 39 /* Returns a file descriptor for communicating with the USB accessory. 40 * This file descriptor can be used with standard Java file operations. 41 */ 42 ParcelFileDescriptor openAccessory(in UsbAccessory accessory); 43 44 /* Sets the default package for a USB device 45 * (or clears it if the package name is null) 46 */ 47 void setDevicePackage(in UsbDevice device, String packageName, int userId); 48 49 /* Sets the default package for a USB accessory 50 * (or clears it if the package name is null) 51 */ 52 void setAccessoryPackage(in UsbAccessory accessory, String packageName, int userId); 53 54 /* Returns true if the caller has permission to access the device. */ 55 boolean hasDevicePermission(in UsbDevice device); 56 57 /* Returns true if the caller has permission to access the accessory. */ 58 boolean hasAccessoryPermission(in UsbAccessory accessory); 59 60 /* Requests permission for the given package to access the device. 61 * Will display a system dialog to query the user if permission 62 * had not already been given. 63 */ 64 void requestDevicePermission(in UsbDevice device, String packageName, in PendingIntent pi); 65 66 /* Requests permission for the given package to access the accessory. 67 * Will display a system dialog to query the user if permission 68 * had not already been given. Result is returned via pi. 69 */ 70 void requestAccessoryPermission(in UsbAccessory accessory, String packageName, 71 in PendingIntent pi); 72 73 /* Grants permission for the given UID to access the device */ 74 void grantDevicePermission(in UsbDevice device, int uid); 75 76 /* Grants permission for the given UID to access the accessory */ 77 void grantAccessoryPermission(in UsbAccessory accessory, int uid); 78 79 /* Returns true if the USB manager has default preferences or permissions for the package */ 80 boolean hasDefaults(String packageName, int userId); 81 82 /* Clears default preferences and permissions for the package */ 83 void clearDefaults(String packageName, int userId); 84 85 /* Sets the current USB function. */ 86 void setCurrentFunction(String function, boolean makeDefault); 87 88 /* Sets the file path for USB mass storage backing file. */ 89 void setMassStorageBackingFile(String path); 90 91 /* Allow USB debugging from the attached host. If alwaysAllow is true, add the 92 * the public key to list of host keys that the user has approved. 93 */ 94 void allowUsbDebugging(boolean alwaysAllow, String publicKey); 95 96 /* Deny USB debugging from the attached host */ 97 void denyUsbDebugging(); 98 99 /* Clear public keys installed for secure USB debugging */ 100 void clearUsbDebuggingKeys(); 101} 102