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      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.os.Bundle;
     23 import android.os.ParcelFileDescriptor;
     24 
     25 /** @hide */
     26 interface 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