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    private static final String STATE_KEY_IS_OPEN = "isOpen";
32
33    public static final String MODE_EDIT_ACTION = "com.android.settings.USER_DICTIONARY_EDIT";
34    public static final String MODE_INSERT_ACTION = "com.android.settings.USER_DICTIONARY_INSERT";
35
36    /* package */ static final int CODE_WORD_ADDED = 0;
37    /* package */ static final int CODE_CANCEL = 1;
38    /* package */ static final int CODE_ALREADY_PRESENT = 2;
39
40    private UserDictionaryAddWordContents mContents;
41
42    @Override
43    public void onCreate(final Bundle savedInstanceState) {
44        super.onCreate(savedInstanceState);
45        setContentView(R.layout.user_dictionary_add_word);
46        final Intent intent = getIntent();
47        final String action = intent.getAction();
48        final int mode;
49        if (MODE_EDIT_ACTION.equals(action)) {
50            mode = UserDictionaryAddWordContents.MODE_EDIT;
51        } else if (MODE_INSERT_ACTION.equals(action)) {
52            mode = UserDictionaryAddWordContents.MODE_INSERT;
53        } else {
54            // Can never come here because we only support these two actions in the manifest
55            throw new RuntimeException("Unsupported action: " + action);
56        }
57
58        // The following will get the EXTRA_WORD and EXTRA_LOCALE fields that are in the intent.
59        // We do need to add the action by hand, because UserDictionaryAddWordContents expects
60        // it to be in the bundle, in the EXTRA_MODE key.
61        final Bundle args = intent.getExtras();
62        args.putInt(UserDictionaryAddWordContents.EXTRA_MODE, mode);
63
64        if (null != savedInstanceState) {
65            // Override options if we have a saved state.
66            args.putAll(savedInstanceState);
67        }
68
69        mContents = new UserDictionaryAddWordContents(getWindow().getDecorView(), args);
70    }
71
72    @Override
73    public void onSaveInstanceState(final Bundle outState) {
74        mContents.saveStateIntoBundle(outState);
75    }
76
77    private void reportBackToCaller(final int resultCode, final Bundle result) {
78        final Intent senderIntent = getIntent();
79        final Object listener = senderIntent.getExtras().get("listener");
80        if (!(listener instanceof Messenger)) return; // This will work if listener is null too.
81        final Messenger messenger = (Messenger)listener;
82
83        final Message m = Message.obtain();
84        m.obj = result;
85        m.what = resultCode;
86        try {
87            messenger.send(m);
88        } catch (RemoteException e) {
89            // Couldn't report back, but there is nothing we can do to fix it
90        }
91    }
92
93    public void onClickCancel(final View v) {
94        reportBackToCaller(CODE_CANCEL, null);
95        finish();
96    }
97
98    public void onClickConfirm(final View v) {
99        final Bundle parameters = new Bundle();
100        final int resultCode = mContents.apply(this, parameters);
101        reportBackToCaller(resultCode, parameters);
102        finish();
103    }
104}
105