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      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.settings.inputmethod;
     18 
     19 import com.android.settings.R;
     20 
     21 import android.app.Activity;
     22 import android.content.Intent;
     23 import android.os.Bundle;
     24 import android.os.Message;
     25 import android.os.Messenger;
     26 import android.os.RemoteException;
     27 import android.view.View;
     28 
     29 public class UserDictionaryAddWordActivity extends Activity {
     30 
     31     public static final String MODE_EDIT_ACTION = "com.android.settings.USER_DICTIONARY_EDIT";
     32     public static final String MODE_INSERT_ACTION = "com.android.settings.USER_DICTIONARY_INSERT";
     33 
     34     /* package */ static final int CODE_WORD_ADDED = 0;
     35     /* package */ static final int CODE_CANCEL = 1;
     36     /* package */ static final int CODE_ALREADY_PRESENT = 2;
     37 
     38     private UserDictionaryAddWordContents mContents;
     39 
     40     @Override
     41     public void onCreate(final Bundle savedInstanceState) {
     42         super.onCreate(savedInstanceState);
     43         setContentView(R.layout.user_dictionary_add_word);
     44         final Intent intent = getIntent();
     45         final String action = intent.getAction();
     46         final int mode;
     47         if (MODE_EDIT_ACTION.equals(action)) {
     48             mode = UserDictionaryAddWordContents.MODE_EDIT;
     49         } else if (MODE_INSERT_ACTION.equals(action)) {
     50             mode = UserDictionaryAddWordContents.MODE_INSERT;
     51         } else {
     52             // Can never come here because we only support these two actions in the manifest
     53             throw new RuntimeException("Unsupported action: " + action);
     54         }
     55 
     56         // The following will get the EXTRA_WORD and EXTRA_LOCALE fields that are in the intent.
     57         // We do need to add the action by hand, because UserDictionaryAddWordContents expects
     58         // it to be in the bundle, in the EXTRA_MODE key.
     59         final Bundle args = intent.getExtras();
     60         args.putInt(UserDictionaryAddWordContents.EXTRA_MODE, mode);
     61 
     62         if (null != savedInstanceState) {
     63             // Override options if we have a saved state.
     64             args.putAll(savedInstanceState);
     65         }
     66 
     67         mContents = new UserDictionaryAddWordContents(getWindow().getDecorView(), args);
     68     }
     69 
     70     @Override
     71     public void onSaveInstanceState(final Bundle outState) {
     72         mContents.saveStateIntoBundle(outState);
     73     }
     74 
     75     private void reportBackToCaller(final int resultCode, final Bundle result) {
     76         final Intent senderIntent = getIntent();
     77         final Object listener = senderIntent.getExtras().get("listener");
     78         if (!(listener instanceof Messenger)) return; // This will work if listener is null too.
     79         final Messenger messenger = (Messenger)listener;
     80 
     81         final Message m = Message.obtain();
     82         m.obj = result;
     83         m.what = resultCode;
     84         try {
     85             messenger.send(m);
     86         } catch (RemoteException e) {
     87             // Couldn't report back, but there is nothing we can do to fix it
     88         }
     89     }
     90 
     91     public void onClickCancel(final View v) {
     92         reportBackToCaller(CODE_CANCEL, null);
     93         finish();
     94     }
     95 
     96     public void onClickConfirm(final View v) {
     97         final Bundle parameters = new Bundle();
     98         final int resultCode = mContents.apply(this, parameters);
     99         reportBackToCaller(resultCode, parameters);
    100         finish();
    101     }
    102 }
    103