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      1 /*
      2  * Copyright (C) 2008-2009 Google Inc.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
      5  * use this file except in compliance with the License. You may obtain a copy of
      6  * 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, WITHOUT
     12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
     13  * License for the specific language governing permissions and limitations under
     14  * the License.
     15  */
     16 
     17 package com.example.android.softkeyboard;
     18 
     19 import android.content.Context;
     20 import android.content.res.Resources;
     21 import android.content.res.XmlResourceParser;
     22 import android.inputmethodservice.Keyboard;
     23 import android.inputmethodservice.Keyboard.Key;
     24 import android.inputmethodservice.Keyboard.Row;
     25 import android.view.inputmethod.EditorInfo;
     26 
     27 public class LatinKeyboard extends Keyboard {
     28 
     29     private Key mEnterKey;
     30 
     31     public LatinKeyboard(Context context, int xmlLayoutResId) {
     32         super(context, xmlLayoutResId);
     33     }
     34 
     35     public LatinKeyboard(Context context, int layoutTemplateResId,
     36             CharSequence characters, int columns, int horizontalPadding) {
     37         super(context, layoutTemplateResId, characters, columns, horizontalPadding);
     38     }
     39 
     40     @Override
     41     protected Key createKeyFromXml(Resources res, Row parent, int x, int y,
     42             XmlResourceParser parser) {
     43         Key key = new LatinKey(res, parent, x, y, parser);
     44         if (key.codes[0] == 10) {
     45             mEnterKey = key;
     46         }
     47         return key;
     48     }
     49 
     50     /**
     51      * This looks at the ime options given by the current editor, to set the
     52      * appropriate label on the keyboard's enter key (if it has one).
     53      */
     54     void setImeOptions(Resources res, int options) {
     55         if (mEnterKey == null) {
     56             return;
     57         }
     58 
     59         switch (options&(EditorInfo.IME_MASK_ACTION|EditorInfo.IME_FLAG_NO_ENTER_ACTION)) {
     60             case EditorInfo.IME_ACTION_GO:
     61                 mEnterKey.iconPreview = null;
     62                 mEnterKey.icon = null;
     63                 mEnterKey.label = res.getText(R.string.label_go_key);
     64                 break;
     65             case EditorInfo.IME_ACTION_NEXT:
     66                 mEnterKey.iconPreview = null;
     67                 mEnterKey.icon = null;
     68                 mEnterKey.label = res.getText(R.string.label_next_key);
     69                 break;
     70             case EditorInfo.IME_ACTION_SEARCH:
     71                 mEnterKey.icon = res.getDrawable(
     72                         R.drawable.sym_keyboard_search);
     73                 mEnterKey.label = null;
     74                 break;
     75             case EditorInfo.IME_ACTION_SEND:
     76                 mEnterKey.iconPreview = null;
     77                 mEnterKey.icon = null;
     78                 mEnterKey.label = res.getText(R.string.label_send_key);
     79                 break;
     80             default:
     81                 mEnterKey.icon = res.getDrawable(
     82                         R.drawable.sym_keyboard_return);
     83                 mEnterKey.label = null;
     84                 break;
     85         }
     86     }
     87 
     88     static class LatinKey extends Keyboard.Key {
     89 
     90         public LatinKey(Resources res, Keyboard.Row parent, int x, int y, XmlResourceParser parser) {
     91             super(res, parent, x, y, parser);
     92         }
     93 
     94         /**
     95          * Overriding this method so that we can reduce the target area for the key that
     96          * closes the keyboard.
     97          */
     98         @Override
     99         public boolean isInside(int x, int y) {
    100             return super.isInside(x, codes[0] == KEYCODE_CANCEL ? y - 10 : y);
    101         }
    102     }
    103 
    104 }
    105