usb debugging: show alert to secondary user

Bug: 12785423
Change-Id: If7f60899cfdaca7bdad560bd59a78f5be74c24be

3 files changed, 107 insertions, 0 deletions

diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml
index cc8e46b..c259573 100644
--- a/packages/SystemUI/AndroidManifest.xml
+++ b/packages/SystemUI/AndroidManifest.xml
@@ -276,6 +276,11 @@
             android:finishOnCloseSystemDialogs="true"
             android:excludeFromRecents="true">
         </activity>
+        <activity android:name=".usb.UsbDebuggingSecondaryUserActivity"
+            android:theme="@style/Theme.SystemUI.Dialog.Alert"
+            android:finishOnCloseSystemDialogs="true"
+            android:excludeFromRecents="true">
+        </activity>
 
         <!-- started from NetworkPolicyManagerService -->
         <activity
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index d96ed96..880b5e9 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -159,6 +159,12 @@
     <!-- Option to always allow USB debugging from the attached computer -->
     <string name="usb_debugging_always">Always allow from this computer</string>
 
+    <!-- Title of notification shown when trying to enable USB debugging but a secondary user is the current foreground user. -->
+    <string name="usb_debugging_secondary_user_title">USB debugging not allowed</string>
+
+    <!-- Message of notification shown when trying to enable USB debugging but a secondary user is the current foreground user. -->
+    <string name="usb_debugging_secondary_user_message">The user currently signed in to this device can\'t turn on USB debugging. To use this feature, switch to the primary user \u201C<xliff:g id="name" example="John Doe">%s</xliff:g>\u201D.</string>
+
     <!-- Checkbox label for application compatibility mode ON (zooming app to look like it's running
          on a phone).  [CHAR LIMIT=25] -->
     <string name="compat_mode_on">Zoom to fill screen</string>
diff --git a/packages/SystemUI/src/com/android/systemui/usb/UsbDebuggingSecondaryUserActivity.java b/packages/SystemUI/src/com/android/systemui/usb/UsbDebuggingSecondaryUserActivity.java
new file mode 100644
index 0000000..9ce771b
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/usb/UsbDebuggingSecondaryUserActivity.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2015 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.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.UserInfo;
+import android.hardware.usb.UsbManager;
+import android.os.Bundle;
+import android.os.SystemProperties;
+import android.os.UserHandle;
+import android.os.UserManager;
+
+import com.android.internal.app.AlertActivity;
+import com.android.internal.app.AlertController;
+import com.android.systemui.R;
+
+public class UsbDebuggingSecondaryUserActivity extends AlertActivity
+        implements DialogInterface.OnClickListener {
+    private UsbDisconnectedReceiver mDisconnectedReceiver;
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+
+        if (SystemProperties.getInt("service.adb.tcp.port", 0) == 0) {
+            mDisconnectedReceiver = new UsbDisconnectedReceiver(this);
+        }
+
+        final AlertController.AlertParams ap = mAlertParams;
+        ap.mTitle = getString(R.string.usb_debugging_secondary_user_title);
+        UserInfo user = UserManager.get(this).getUserInfo(UserHandle.USER_OWNER);
+        ap.mMessage = getString(R.string.usb_debugging_secondary_user_message, user.name);
+        ap.mPositiveButtonText = getString(android.R.string.ok);
+        ap.mPositiveButtonListener = this;
+
+        setupAlert();
+    }
+
+    private class UsbDisconnectedReceiver extends BroadcastReceiver {
+        private final Activity mActivity;
+        public UsbDisconnectedReceiver(Activity activity) {
+            mActivity = activity;
+        }
+
+        @Override
+        public void onReceive(Context content, Intent intent) {
+            String action = intent.getAction();
+            if (UsbManager.ACTION_USB_STATE.equals(action)) {
+                boolean connected = intent.getBooleanExtra(UsbManager.USB_CONNECTED, false);
+                if (!connected) {
+                    mActivity.finish();
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+
+        IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_STATE);
+        registerReceiver(mDisconnectedReceiver, filter);
+    }
+
+    @Override
+    protected void onStop() {
+        if (mDisconnectedReceiver != null) {
+            unregisterReceiver(mDisconnectedReceiver);
+        }
+        super.onStop();
+    }
+
+    @Override
+    public void onClick(DialogInterface dialog, int which) {
+        finish();
+    }
+}