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 17 package android.hardware.usb; 18 19 import android.app.PendingIntent; 20 import android.hardware.usb.UsbAccessory; 21 import android.hardware.usb.UsbDevice; 22 import android.hardware.usb.UsbPort; 23 import android.hardware.usb.UsbPortStatus; 24 import android.os.Bundle; 25 import android.os.ParcelFileDescriptor; 26 27 /** @hide */ 28 interface IUsbManager 29 { 30 /* Returns a list of all currently attached USB devices */ getDeviceList(out Bundle devices)31 void getDeviceList(out Bundle devices); 32 33 /* Returns a file descriptor for communicating with the USB device. 34 * The native fd can be passed to usb_device_new() in libusbhost. 35 */ openDevice(String deviceName)36 ParcelFileDescriptor openDevice(String deviceName); 37 38 /* Returns the currently attached USB accessory */ getCurrentAccessory()39 UsbAccessory getCurrentAccessory(); 40 41 /* Returns a file descriptor for communicating with the USB accessory. 42 * This file descriptor can be used with standard Java file operations. 43 */ openAccessory(in UsbAccessory accessory)44 ParcelFileDescriptor openAccessory(in UsbAccessory accessory); 45 46 /* Sets the default package for a USB device 47 * (or clears it if the package name is null) 48 */ setDevicePackage(in UsbDevice device, String packageName, int userId)49 void setDevicePackage(in UsbDevice device, String packageName, int userId); 50 51 /* Sets the default package for a USB accessory 52 * (or clears it if the package name is null) 53 */ setAccessoryPackage(in UsbAccessory accessory, String packageName, int userId)54 void setAccessoryPackage(in UsbAccessory accessory, String packageName, int userId); 55 56 /* Returns true if the caller has permission to access the device. */ hasDevicePermission(in UsbDevice device)57 boolean hasDevicePermission(in UsbDevice device); 58 59 /* Returns true if the caller has permission to access the accessory. */ hasAccessoryPermission(in UsbAccessory accessory)60 boolean hasAccessoryPermission(in UsbAccessory accessory); 61 62 /* Requests permission for the given package to access the device. 63 * Will display a system dialog to query the user if permission 64 * had not already been given. 65 */ requestDevicePermission(in UsbDevice device, String packageName, in PendingIntent pi)66 void requestDevicePermission(in UsbDevice device, String packageName, in PendingIntent pi); 67 68 /* Requests permission for the given package to access the accessory. 69 * Will display a system dialog to query the user if permission 70 * had not already been given. Result is returned via pi. 71 */ requestAccessoryPermission(in UsbAccessory accessory, String packageName, in PendingIntent pi)72 void requestAccessoryPermission(in UsbAccessory accessory, String packageName, 73 in PendingIntent pi); 74 75 /* Grants permission for the given UID to access the device */ grantDevicePermission(in UsbDevice device, int uid)76 void grantDevicePermission(in UsbDevice device, int uid); 77 78 /* Grants permission for the given UID to access the accessory */ grantAccessoryPermission(in UsbAccessory accessory, int uid)79 void grantAccessoryPermission(in UsbAccessory accessory, int uid); 80 81 /* Returns true if the USB manager has default preferences or permissions for the package */ hasDefaults(String packageName, int userId)82 boolean hasDefaults(String packageName, int userId); 83 84 /* Clears default preferences and permissions for the package */ clearDefaults(String packageName, int userId)85 void clearDefaults(String packageName, int userId); 86 87 /* Returns true if the specified USB function is enabled. */ isFunctionEnabled(String function)88 boolean isFunctionEnabled(String function); 89 90 /* Sets the current USB function. */ setCurrentFunction(String function)91 void setCurrentFunction(String function); 92 93 /* Sets whether USB data (for example, MTP exposed pictures) should be made 94 * available on the USB connection. Unlocking data should only be done with 95 * user involvement, since exposing pictures or other data could leak sensitive 96 * user information. 97 */ setUsbDataUnlocked(boolean unlock)98 void setUsbDataUnlocked(boolean unlock); 99 100 /* Allow USB debugging from the attached host. If alwaysAllow is true, add the 101 * the public key to list of host keys that the user has approved. 102 */ allowUsbDebugging(boolean alwaysAllow, String publicKey)103 void allowUsbDebugging(boolean alwaysAllow, String publicKey); 104 105 /* Deny USB debugging from the attached host */ denyUsbDebugging()106 void denyUsbDebugging(); 107 108 /* Clear public keys installed for secure USB debugging */ clearUsbDebuggingKeys()109 void clearUsbDebuggingKeys(); 110 111 /* Gets the list of USB ports. */ getPorts()112 UsbPort[] getPorts(); 113 114 /* Gets the status of the specified USB port. */ getPortStatus(in String portId)115 UsbPortStatus getPortStatus(in String portId); 116 117 /* Sets the port's current role. */ setPortRoles(in String portId, int powerRole, int dataRole)118 void setPortRoles(in String portId, int powerRole, int dataRole); 119 } 120