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 android.app.Activity;
20 import android.content.Intent;
21 import android.os.Bundle;
22 import android.os.Message;
23 import android.os.Messenger;
24 import android.os.RemoteException;
25 import android.view.View;
26 
27 import com.android.settings.R;
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
onCreate(final Bundle savedInstanceState)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         Bundle args = intent.getExtras();
60         if (args == null) {
61             args = new Bundle();
62         }
63         args.putInt(UserDictionaryAddWordContents.EXTRA_MODE, mode);
64 
65         if (null != savedInstanceState) {
66             // Override options if we have a saved state.
67             args.putAll(savedInstanceState);
68         }
69 
70         mContents = new UserDictionaryAddWordContents(getWindow().getDecorView(), args);
71     }
72 
73     @Override
onSaveInstanceState(final Bundle outState)74     public void onSaveInstanceState(final Bundle outState) {
75         mContents.saveStateIntoBundle(outState);
76     }
77 
reportBackToCaller(final int resultCode, final Bundle result)78     private void reportBackToCaller(final int resultCode, final Bundle result) {
79         final Intent senderIntent = getIntent();
80         if (senderIntent.getExtras() == null) return;
81         final Object listener = senderIntent.getExtras().get("listener");
82         if (!(listener instanceof Messenger)) return; // This will work if listener is null too.
83         final Messenger messenger = (Messenger)listener;
84 
85         final Message m = Message.obtain();
86         m.obj = result;
87         m.what = resultCode;
88         try {
89             messenger.send(m);
90         } catch (RemoteException e) {
91             // Couldn't report back, but there is nothing we can do to fix it
92         }
93     }
94 
onClickCancel(final View v)95     public void onClickCancel(final View v) {
96         reportBackToCaller(CODE_CANCEL, null);
97         finish();
98     }
99 
onClickConfirm(final View v)100     public void onClickConfirm(final View v) {
101         final Bundle parameters = new Bundle();
102         final int resultCode = mContents.apply(this, parameters);
103         reportBackToCaller(resultCode, parameters);
104         finish();
105     }
106 }
107