| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.systemui.usb; |
| |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.debug.IAdbManager; |
| import android.hardware.usb.UsbManager; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.ServiceManager; |
| import android.os.SystemProperties; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.Window; |
| import android.view.WindowManager; |
| import android.widget.CheckBox; |
| |
| import com.android.internal.app.AlertActivity; |
| import com.android.internal.app.AlertController; |
| import com.android.systemui.R; |
| import com.android.systemui.broadcast.BroadcastDispatcher; |
| |
| import javax.inject.Inject; |
| |
| public class UsbDebuggingActivity extends AlertActivity |
| implements DialogInterface.OnClickListener { |
| private static final String TAG = "UsbDebuggingActivity"; |
| |
| private CheckBox mAlwaysAllow; |
| private UsbDisconnectedReceiver mDisconnectedReceiver; |
| private final BroadcastDispatcher mBroadcastDispatcher; |
| private String mKey; |
| private boolean mServiceNotified; |
| |
| @Inject |
| public UsbDebuggingActivity(BroadcastDispatcher broadcastDispatcher) { |
| super(); |
| mBroadcastDispatcher = broadcastDispatcher; |
| } |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| Window window = getWindow(); |
| window.addSystemFlags( |
| WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS); |
| window.setType(WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG); |
| |
| super.onCreate(icicle); |
| |
| if (SystemProperties.getInt("service.adb.tcp.port", 0) == 0) { |
| mDisconnectedReceiver = new UsbDisconnectedReceiver(this); |
| IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_STATE); |
| mBroadcastDispatcher.registerReceiver(mDisconnectedReceiver, filter); |
| } |
| |
| Intent intent = getIntent(); |
| String fingerprints = intent.getStringExtra("fingerprints"); |
| mKey = intent.getStringExtra("key"); |
| |
| if (fingerprints == null || mKey == null) { |
| finish(); |
| return; |
| } |
| |
| final AlertController.AlertParams ap = mAlertParams; |
| ap.mTitle = getString(R.string.usb_debugging_title); |
| ap.mMessage = getString(R.string.usb_debugging_message, fingerprints); |
| ap.mPositiveButtonText = getString(R.string.usb_debugging_allow); |
| ap.mNegativeButtonText = getString(android.R.string.cancel); |
| ap.mPositiveButtonListener = this; |
| ap.mNegativeButtonListener = this; |
| |
| // add "always allow" checkbox |
| LayoutInflater inflater = LayoutInflater.from(ap.mContext); |
| View checkbox = inflater.inflate(com.android.internal.R.layout.always_use_checkbox, null); |
| mAlwaysAllow = (CheckBox)checkbox.findViewById(com.android.internal.R.id.alwaysUse); |
| mAlwaysAllow.setText(getString(R.string.usb_debugging_always)); |
| ap.mView = checkbox; |
| window.setCloseOnTouchOutside(false); |
| |
| setupAlert(); |
| } |
| |
| @Override |
| public void onWindowAttributesChanged(WindowManager.LayoutParams params) { |
| super.onWindowAttributesChanged(params); |
| } |
| |
| private class UsbDisconnectedReceiver extends BroadcastReceiver { |
| private final Activity mActivity; |
| UsbDisconnectedReceiver(Activity activity) { |
| mActivity = activity; |
| } |
| |
| @Override |
| public void onReceive(Context content, Intent intent) { |
| String action = intent.getAction(); |
| if (!UsbManager.ACTION_USB_STATE.equals(action)) { |
| return; |
| } |
| boolean connected = intent.getBooleanExtra(UsbManager.USB_CONNECTED, false); |
| if (!connected) { |
| Log.d(TAG, "USB disconnected, notifying service"); |
| notifyService(false); |
| mActivity.finish(); |
| } |
| } |
| } |
| |
| @Override |
| protected void onDestroy() { |
| if (mDisconnectedReceiver != null) { |
| mBroadcastDispatcher.unregisterReceiver(mDisconnectedReceiver); |
| } |
| // Only notify the service if the activity is finishing; if onDestroy has been called due to |
| // a configuration change then allow the user to still authorize the connection the next |
| // time the activity is in the foreground. |
| if (isFinishing()) { |
| // If the ADB service has not yet been notified due to this dialog being closed in some |
| // other way then notify the service to deny the connection to ensure system_server |
| // sends a response to adbd. |
| if (!mServiceNotified) { |
| notifyService(false); |
| } |
| } |
| super.onDestroy(); |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| boolean allow = (which == AlertDialog.BUTTON_POSITIVE); |
| boolean alwaysAllow = allow && mAlwaysAllow.isChecked(); |
| notifyService(allow, alwaysAllow); |
| finish(); |
| } |
| |
| /** |
| * Notifies the ADB service as to whether the current ADB request should be allowed; if the |
| * request is allowed it is only allowed for this session, and the user should be prompted again |
| * on subsequent requests from this key. |
| * |
| * @param allow whether the connection should be allowed for this session |
| */ |
| private void notifyService(boolean allow) { |
| notifyService(allow, false); |
| } |
| |
| /** |
| * Notifies the ADB service as to whether the current ADB request should be allowed, and if |
| * subsequent requests from this key should be allowed without user consent. |
| * |
| * @param allow whether the connection should be allowed |
| * @param alwaysAllow whether subsequent requests from this key should be allowed without user |
| * consent |
| */ |
| private void notifyService(boolean allow, boolean alwaysAllow) { |
| try { |
| IBinder b = ServiceManager.getService(ADB_SERVICE); |
| IAdbManager service = IAdbManager.Stub.asInterface(b); |
| if (allow) { |
| service.allowDebugging(alwaysAllow, mKey); |
| } else { |
| service.denyDebugging(); |
| } |
| mServiceNotified = true; |
| } catch (Exception e) { |
| Log.e(TAG, "Unable to notify Usb service", e); |
| } |
| } |
| } |