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
17package com.android.settings.inputmethod;
18
19import com.android.settings.R;
20
21import android.app.Activity;
22import android.content.Intent;
23import android.os.Bundle;
24import android.os.Message;
25import android.os.Messenger;
26import android.os.RemoteException;
27import android.view.View;
28
29public 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