USB: Toggle installer CD menu title when installer CD is enabled/disabled

Bug: 5032789

Change-Id: I0710133b2318147c7556e9f970f4443511ee1729
Signed-off-by: Mike Lockwood <lockwood@android.com>

res/values/strings.xml

@@ -1769,7 +1769,9 @@
     <!-- Storage setting.  Label for PTP setting [CHAR LIMIT=30]-->
     <string name="usb_label_ptp">Connect as a camera (PTP)</string>
     <!-- Storage setting.  Label for installer CD [CHAR LIMIT=30]-->
-    <string name="usb_label_installer_cd">Install file transfer tools</string>
+    <string name="usb_label_installer_cd">Install Android File Transfer application for Mac</string>
+    <!-- Storage setting.  Label for installer CD [CHAR LIMIT=30]-->
+    <string name="usb_label_installer_cd_done">Done installing Android File Transfer application for Mac</string>
 
     <!-- Phone info screen, section titles: -->
     <string name="battery_status_title">Battery status</string>

src/com/android/settings/deviceinfo/UsbSettings.java

@@ -16,9 +16,12 @@
 
 package com.android.settings.deviceinfo;
 
+import android.content.BroadcastReceiver;
 import android.content.ContentQueryMap;
 import android.content.ContentResolver;
 import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
 import android.hardware.usb.UsbManager;
 import android.os.Bundle;
 import android.os.storage.StorageManager;
@@ -53,6 +56,13 @@ public class UsbSettings extends SettingsPreferenceFragment {
     private String mInstallerImagePath;
     private CheckBoxPreference mMtp;
     private CheckBoxPreference mPtp;
+    private MenuItem mInstallerCd;
+
+    private final BroadcastReceiver mStateReceiver = new BroadcastReceiver() {
+        public void onReceive(Context content, Intent intent) {
+            updateToggles();
+        }
+    };
 
     private PreferenceScreen createPreferenceHierarchy() {
         PreferenceScreen root = getPreferenceScreen();
@@ -79,6 +89,12 @@ public class UsbSettings extends SettingsPreferenceFragment {
         setHasOptionsMenu(mInstallerImagePath != null);
     }
 
+    @Override
+    public void onPause() {
+        super.onPause();
+        getActivity().unregisterReceiver(mStateReceiver);
+    }
+
     @Override
     public void onResume() {
         super.onResume();
@@ -86,7 +102,10 @@ public class UsbSettings extends SettingsPreferenceFragment {
         // Make sure we reload the preference hierarchy since some of these settings
         // depend on others...
         createPreferenceHierarchy();
-        updateToggles();
+
+        // ACTION_USB_STATE is sticky so this will call updateToggles
+        getActivity().registerReceiver(mStateReceiver,
+                new IntentFilter(UsbManager.ACTION_USB_STATE));
     }
 
     private void updateToggles() {
@@ -100,6 +119,13 @@ public class UsbSettings extends SettingsPreferenceFragment {
             mMtp.setChecked(false);
             mPtp.setChecked(false);
         }
+        if (mInstallerCd != null) {
+            if (mUsbManager.isFunctionEnabled(UsbManager.USB_FUNCTION_MASS_STORAGE)) {
+                mInstallerCd.setTitle( R.string.usb_label_installer_cd_done);
+            } else {
+                mInstallerCd.setTitle( R.string.usb_label_installer_cd);
+            }
+        }
     }
 
     @Override
@@ -115,34 +141,35 @@ public class UsbSettings extends SettingsPreferenceFragment {
                 return true;
             }
         }
-
         if (preference == mMtp) {
             mUsbManager.setCurrentFunction(UsbManager.USB_FUNCTION_MTP, true);
-            mPtp.setChecked(false);
         } else if (preference == mPtp) {
             mUsbManager.setCurrentFunction(UsbManager.USB_FUNCTION_PTP, true);
-            mMtp.setChecked(false);
         }
-
+        updateToggles();
         return true;
     }
 
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        menu.add(Menu.NONE, MENU_ID_INSTALLER_CD, 0, R.string.usb_label_installer_cd)
+        mInstallerCd = menu.add(Menu.NONE, MENU_ID_INSTALLER_CD, 0,
-                //.setIcon(com.android.internal.R.drawable.stat_sys_data_usb)
+                R.string.usb_label_installer_cd);
-                .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
+        mInstallerCd.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case MENU_ID_INSTALLER_CD:
-                // installer CD is never default
+                if (mUsbManager.isFunctionEnabled(UsbManager.USB_FUNCTION_MASS_STORAGE)) {
+                    // Disable installer CD, return to default function.
+                    mUsbManager.setCurrentFunction(null, false);
+                } else {
+                    // Enable installer CD.  Don't set as default function.
                     mUsbManager.setCurrentFunction(UsbManager.USB_FUNCTION_MASS_STORAGE, false);
                     mUsbManager.setMassStorageBackingFile(mInstallerImagePath);
-                mMtp.setChecked(false);
+                }
-                mPtp.setChecked(false);
+                updateToggles();
                 return true;
         }
         return super.onOptionsItemSelected(item);