Disable non-permitted accessibility services and IMEs

Bug: 14469005
Change-Id: I4986f035318854c27ecb92bbe2f0c977d53b6361

src/com/android/settings/inputmethod/InputMethodPreference.java

@@ -68,6 +68,7 @@ class InputMethodPreference extends SwitchPreference implements OnPreferenceClic
     private final boolean mHasPriorityInSorting;
     private final OnSavePreferenceListener mOnSaveListener;
     private final InputMethodSettingValuesWrapper mInputMethodSettingValues;
+    private final boolean mIsAllowedByOrganization;
 
     private AlertDialog mDialog = null;
 
@@ -78,14 +79,18 @@ class InputMethodPreference extends SwitchPreference implements OnPreferenceClic
      * @param imi The {@link InputMethodInfo} of this preference.
      * @param isImeEnabler true if this preference is the IME enabler that has enable/disable
      *     switches for all available IMEs, not the list of enabled IMEs.
+     * @param isAllowedByOrganization false if the IME has been disabled by a device or profile
+           owner.
      * @param onSaveListener The listener called when this preference has been changed and needs
      *     to save the state to shared preference.
      */
     InputMethodPreference(final Context context, final InputMethodInfo imi,
-            final boolean isImeEnabler, final OnSavePreferenceListener onSaveListener) {
+            final boolean isImeEnabler, final boolean isAllowedByOrganization,
+            final OnSavePreferenceListener onSaveListener) {
         super(context);
         setPersistent(false);
         mImi = imi;
+        mIsAllowedByOrganization = isAllowedByOrganization;
         mOnSaveListener = onSaveListener;
         if (!isImeEnabler) {
             // Hide switch widget.
@@ -178,7 +183,7 @@ class InputMethodPreference extends SwitchPreference implements OnPreferenceClic
                 mImi, getContext());
         // Only when this preference has a switch and an input method should be always enabled,
         // this preference should be disabled to prevent accidentally disabling an input method.
-        setEnabled(!(isAlwaysChecked && isImeEnabler()));
+        setEnabled(!((isAlwaysChecked && isImeEnabler()) || (!mIsAllowedByOrganization)));
         setChecked(mInputMethodSettingValues.isEnabledImi(mImi));
         setSummary(getSummaryString());
     }
@@ -189,6 +194,9 @@ class InputMethodPreference extends SwitchPreference implements OnPreferenceClic
 
     private String getSummaryString() {
         final Context context = getContext();
+        if (!mIsAllowedByOrganization) {
+            return context.getString(R.string.accessibility_feature_or_input_method_not_allowed);
+        }
         final InputMethodManager imm = getInputMethodManager();
         final List<InputMethodSubtype> subtypes = imm.getEnabledInputMethodSubtypeList(mImi, true);
         final ArrayList<CharSequence> subtypeLabels = new ArrayList<>();