Home | History | Annotate | Download | only in inputmethod 
      1 /*
      2  * Copyright (C) 2017 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.tv.settings.inputmethod;
     18 
     19 import android.content.Intent;
     20 import android.os.Bundle;
     21 import android.support.v7.preference.PreferenceScreen;
     22 import android.text.TextUtils;
     23 
     24 import com.android.internal.logging.nano.MetricsProto;
     25 import com.android.settingslib.inputmethod.InputMethodAndSubtypeEnablerManager;
     26 import com.android.tv.settings.SettingsPreferenceFragment;
     27 
     28 /**
     29  * Fragment for android.settings.INPUT_METHOD_SUBTYPE_SETTINGS
     30  */
     31 public class InputMethodAndSubtypeEnablerFragment extends SettingsPreferenceFragment {
     32     private InputMethodAndSubtypeEnablerManager mManager;
     33 
     34     /**
     35      * @return new instance of {@link InputMethodAndSubtypeEnablerFragment}
     36      */
     37     public static InputMethodAndSubtypeEnablerFragment newInstance() {
     38         return new InputMethodAndSubtypeEnablerFragment();
     39     }
     40 
     41     @Override
     42     public void onCreate(final Bundle icicle) {
     43         super.onCreate(icicle);
     44     }
     45 
     46     @Override
     47     public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
     48         final PreferenceScreen root =
     49                 getPreferenceManager().createPreferenceScreen(getPreferenceManager().getContext());
     50 
     51         // Input method id should be available from an Intent when this preference is launched as a
     52         // single Activity (see InputMethodAndSubtypeEnablerActivity). It should be available
     53         // from a preference argument when the preference is launched as a part of the other
     54         // Activity (like a right pane of 2-pane Settings app)
     55         final String targetImi = getStringExtraFromIntentOrArguments(
     56                 android.provider.Settings.EXTRA_INPUT_METHOD_ID);
     57 
     58         final String title = getStringExtraFromIntentOrArguments(Intent.EXTRA_TITLE);
     59 
     60         mManager = new InputMethodAndSubtypeEnablerManager(this);
     61         mManager.init(this, targetImi, root);
     62         root.setTitle(title);
     63         setPreferenceScreen(root);
     64 
     65     }
     66 
     67     private String getStringExtraFromIntentOrArguments(final String name) {
     68         final Intent intent = getActivity().getIntent();
     69         final String fromIntent = intent.getStringExtra(name);
     70         if (fromIntent != null) {
     71             return fromIntent;
     72         }
     73         final Bundle arguments = getArguments();
     74         return (arguments == null) ? null : arguments.getString(name);
     75     }
     76 
     77     @Override
     78     public void onActivityCreated(final Bundle icicle) {
     79         super.onActivityCreated(icicle);
     80         final String title = getStringExtraFromIntentOrArguments(Intent.EXTRA_TITLE);
     81         if (!TextUtils.isEmpty(title)) {
     82             getActivity().setTitle(title);
     83         }
     84     }
     85 
     86     @Override
     87     public void onResume() {
     88         super.onResume();
     89         mManager.refresh(getContext(), this);
     90     }
     91 
     92     @Override
     93     public void onPause() {
     94         super.onPause();
     95         mManager.save(getContext(), this);
     96     }
     97 
     98     @Override
     99     public int getMetricsCategory() {
    100         return MetricsProto.MetricsEvent.INPUTMETHOD_SUBTYPE_ENABLER;
    101     }
    102 }
    103