Home | History | Annotate | Download | only in compat 
      1 /*
      2  * Copyright (C) 2011 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 
     17 package com.android.inputmethod.compat;
     18 
     19 import android.view.inputmethod.EditorInfo;
     20 import android.view.inputmethod.InputConnection;
     21 
     22 import java.lang.reflect.Field;
     23 
     24 public class EditorInfoCompatUtils {
     25     private static final Field FIELD_IME_FLAG_NAVIGATE_NEXT = CompatUtils.getField(
     26             EditorInfo.class, "IME_FLAG_NAVIGATE_NEXT");
     27     private static final Field FIELD_IME_FLAG_NAVIGATE_PREVIOUS = CompatUtils.getField(
     28             EditorInfo.class, "IME_FLAG_NAVIGATE_PREVIOUS");
     29     private static final Field FIELD_IME_ACTION_PREVIOUS = CompatUtils.getField(
     30             EditorInfo.class, "IME_ACTION_PREVIOUS");
     31     private static final Integer OBJ_IME_FLAG_NAVIGATE_NEXT = (Integer) CompatUtils
     32             .getFieldValue(null, null, FIELD_IME_FLAG_NAVIGATE_NEXT);
     33     private static final Integer OBJ_IME_FLAG_NAVIGATE_PREVIOUS = (Integer) CompatUtils
     34             .getFieldValue(null, null, FIELD_IME_FLAG_NAVIGATE_PREVIOUS);
     35     private static final Integer OBJ_IME_ACTION_PREVIOUS = (Integer) CompatUtils
     36             .getFieldValue(null, null, FIELD_IME_ACTION_PREVIOUS);
     37 
     38     public static boolean hasFlagNavigateNext(int imeOptions) {
     39         if (OBJ_IME_FLAG_NAVIGATE_NEXT == null)
     40             return false;
     41         return (imeOptions & OBJ_IME_FLAG_NAVIGATE_NEXT) != 0;
     42     }
     43 
     44     public static boolean hasFlagNavigatePrevious(int imeOptions) {
     45         if (OBJ_IME_FLAG_NAVIGATE_PREVIOUS == null)
     46             return false;
     47         return (imeOptions & OBJ_IME_FLAG_NAVIGATE_PREVIOUS) != 0;
     48     }
     49 
     50     public static void performEditorActionNext(InputConnection ic) {
     51         ic.performEditorAction(EditorInfo.IME_ACTION_NEXT);
     52     }
     53 
     54     public static void performEditorActionPrevious(InputConnection ic) {
     55         if (OBJ_IME_ACTION_PREVIOUS == null)
     56             return;
     57         ic.performEditorAction(OBJ_IME_ACTION_PREVIOUS);
     58     }
     59 
     60     public static String imeOptionsName(int imeOptions) {
     61         if (imeOptions == -1)
     62             return null;
     63         final int actionId = imeOptions & EditorInfo.IME_MASK_ACTION;
     64         final String action;
     65         switch (actionId) {
     66             case EditorInfo.IME_ACTION_UNSPECIFIED:
     67                 action = "actionUnspecified";
     68                 break;
     69             case EditorInfo.IME_ACTION_NONE:
     70                 action = "actionNone";
     71                 break;
     72             case EditorInfo.IME_ACTION_GO:
     73                 action = "actionGo";
     74                 break;
     75             case EditorInfo.IME_ACTION_SEARCH:
     76                 action = "actionSearch";
     77                 break;
     78             case EditorInfo.IME_ACTION_SEND:
     79                 action = "actionSend";
     80                 break;
     81             case EditorInfo.IME_ACTION_NEXT:
     82                 action = "actionNext";
     83                 break;
     84             case EditorInfo.IME_ACTION_DONE:
     85                 action = "actionDone";
     86                 break;
     87             default: {
     88                 if (OBJ_IME_ACTION_PREVIOUS != null && actionId == OBJ_IME_ACTION_PREVIOUS) {
     89                     action = "actionPrevious";
     90                 } else {
     91                     action = "actionUnknown(" + actionId + ")";
     92                 }
     93                 break;
     94             }
     95         }
     96         if ((imeOptions & EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) {
     97             return "flagNoEnterAction|" + action;
     98         } else {
     99             return action;
    100         }
    101     }
    102 }
    103