/packages/SystemUI/src/com/android/systemui/usb/UsbDebuggingActivity.java

  1/*
  2 * Copyright (C) 2012 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 com.android.systemui.usb;
 18
 19import android.app.Activity;
 20import android.app.AlertDialog;
 21import android.content.BroadcastReceiver;
 22import android.content.Context;
 23import android.content.DialogInterface;
 24import android.content.Intent;
 25import android.content.IntentFilter;
 26import android.hardware.usb.IUsbManager;
 27import android.hardware.usb.UsbManager;
 28import android.os.Bundle;
 29import android.os.IBinder;
 30import android.os.ServiceManager;
 31import android.os.SystemProperties;
 32import android.util.Log;
 33import android.view.LayoutInflater;
 34import android.view.View;
 35import android.widget.CheckBox;
 36
 37import com.android.internal.app.AlertActivity;
 38import com.android.internal.app.AlertController;
 39import com.android.systemui.R;
 40
 41public class UsbDebuggingActivity extends AlertActivity
 42                                  implements DialogInterface.OnClickListener {
 43    private static final String TAG = "UsbDebuggingActivity";
 44
 45    private CheckBox mAlwaysAllow;
 46    private UsbDisconnectedReceiver mDisconnectedReceiver;
 47    private String mKey;
 48
 49    @Override
 50    public void onCreate(Bundle icicle) {
 51        super.onCreate(icicle);
 52
 53        if (SystemProperties.getInt("service.adb.tcp.port", 0) == 0) {
 54            mDisconnectedReceiver = new UsbDisconnectedReceiver(this);
 55        }
 56
 57        Intent intent = getIntent();
 58        String fingerprints = intent.getStringExtra("fingerprints");
 59        mKey = intent.getStringExtra("key");
 60
 61        if (fingerprints == null || mKey == null) {
 62            finish();
 63            return;
 64        }
 65
 66        final AlertController.AlertParams ap = mAlertParams;
 67        ap.mTitle = getString(R.string.usb_debugging_title);
 68        ap.mIconId = com.android.internal.R.drawable.ic_dialog_usb;
 69        ap.mMessage = getString(R.string.usb_debugging_message, fingerprints);
 70        ap.mPositiveButtonText = getString(android.R.string.ok);
 71        ap.mNegativeButtonText = getString(android.R.string.cancel);
 72        ap.mPositiveButtonListener = this;
 73        ap.mNegativeButtonListener = this;
 74
 75        // add "always allow" checkbox
 76        LayoutInflater inflater = LayoutInflater.from(ap.mContext);
 77        View checkbox = inflater.inflate(com.android.internal.R.layout.always_use_checkbox, null);
 78        mAlwaysAllow = (CheckBox)checkbox.findViewById(com.android.internal.R.id.alwaysUse);
 79        mAlwaysAllow.setText(getString(R.string.usb_debugging_always));
 80        ap.mView = checkbox;
 81
 82        setupAlert();
 83    }
 84
 85    private class UsbDisconnectedReceiver extends BroadcastReceiver {
 86        private final Activity mActivity;
 87        public UsbDisconnectedReceiver(Activity activity) {
 88            mActivity = activity;
 89        }
 90
 91        @Override
 92        public void onReceive(Context content, Intent intent) {
 93            String action = intent.getAction();
 94            if (!UsbManager.ACTION_USB_STATE.equals(action)) {
 95                return;
 96            }
 97            boolean connected = intent.getBooleanExtra(UsbManager.USB_CONNECTED, false);
 98            if (!connected) {
 99                mActivity.finish();
100            }
101        }
102    }
103
104    @Override
105    public void onStart() {
106        super.onStart();
107        IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_STATE);
108        registerReceiver(mDisconnectedReceiver, filter);
109    }
110
111    @Override
112    protected void onStop() {
113        if (mDisconnectedReceiver != null) {
114            unregisterReceiver(mDisconnectedReceiver);
115        }
116        super.onStop();
117    }
118
119    @Override
120    public void onClick(DialogInterface dialog, int which) {
121        boolean allow = (which == AlertDialog.BUTTON_POSITIVE);
122        boolean alwaysAllow = allow && mAlwaysAllow.isChecked();
123        try {
124            IBinder b = ServiceManager.getService(USB_SERVICE);
125            IUsbManager service = IUsbManager.Stub.asInterface(b);
126            if (allow) {
127                service.allowUsbDebugging(alwaysAllow, mKey);
128            } else {
129                service.denyUsbDebugging();
130            }
131        } catch (Exception e) {
132            Log.e(TAG, "Unable to notify Usb service", e);
133        }
134        finish();
135    }
136}