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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
      5  * use this file except in compliance with the License. You may obtain a copy of
      6  * 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, WITHOUT
     12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
     13  * License for the specific language governing permissions and limitations under
     14  * the License.
     15  */
     16 
     17 package com.android.deskclock.actionbarmenu;
     18 
     19 import android.content.Context;
     20 import android.os.Bundle;
     21 import android.support.v7.widget.SearchView;
     22 import android.support.v7.widget.SearchView.OnQueryTextListener;
     23 import android.text.InputType;
     24 import android.view.Menu;
     25 import android.view.MenuItem;
     26 import android.view.View;
     27 import android.view.inputmethod.EditorInfo;
     28 
     29 import com.android.deskclock.R;
     30 
     31 import static android.view.Menu.FIRST;
     32 import static android.view.Menu.NONE;
     33 
     34 /**
     35  * {@link MenuItemController} for search menu.
     36  */
     37 public final class SearchMenuItemController implements MenuItemController {
     38 
     39     private static final String KEY_SEARCH_QUERY = "search_query";
     40     private static final String KEY_SEARCH_MODE = "search_mode";
     41 
     42     private static final int SEARCH_MENU_RES_ID = R.id.menu_item_search;
     43 
     44     private final Context mContext;
     45     private final SearchView.OnQueryTextListener mQueryListener;
     46     private final SearchModeChangeListener mSearchModeChangeListener;
     47 
     48     private String mQuery = "";
     49     private boolean mSearchMode;
     50 
     51     public SearchMenuItemController(Context context, OnQueryTextListener queryListener,
     52             Bundle savedState) {
     53         mContext = context;
     54         mSearchModeChangeListener = new SearchModeChangeListener();
     55         mQueryListener = queryListener;
     56 
     57         if (savedState != null) {
     58             mSearchMode = savedState.getBoolean(KEY_SEARCH_MODE, false);
     59             mQuery = savedState.getString(KEY_SEARCH_QUERY, "");
     60         }
     61     }
     62 
     63     public void saveInstance(Bundle outState) {
     64         outState.putString(KEY_SEARCH_QUERY, mQuery);
     65         outState.putBoolean(KEY_SEARCH_MODE, mSearchMode);
     66     }
     67 
     68     @Override
     69     public int getId() {
     70         return SEARCH_MENU_RES_ID;
     71     }
     72 
     73     @Override
     74     public void onCreateOptionsItem(Menu menu) {
     75         final SearchView searchView = new SearchView(mContext);
     76         searchView.setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI);
     77         searchView.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_FLAG_CAP_WORDS);
     78         searchView.setQuery(mQuery, false);
     79         searchView.setOnCloseListener(mSearchModeChangeListener);
     80         searchView.setOnSearchClickListener(mSearchModeChangeListener);
     81         searchView.setOnQueryTextListener(mQueryListener);
     82 
     83         menu.add(NONE, SEARCH_MENU_RES_ID, FIRST, android.R.string.search_go)
     84                 .setActionView(searchView)
     85                 .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
     86 
     87         if (mSearchMode) {
     88             searchView.requestFocus();
     89             searchView.setIconified(false);
     90         }
     91     }
     92 
     93     @Override
     94     public void onPrepareOptionsItem(MenuItem item) {
     95     }
     96 
     97     @Override
     98     public boolean onOptionsItemSelected(MenuItem item) {
     99         // The search view is handled by {@link #mSearchListener}. Skip handling here.
    100         return false;
    101     }
    102 
    103     public String getQueryText() {
    104         return mQuery;
    105     }
    106 
    107     public void setQueryText(String query) {
    108         mQuery = query;
    109     }
    110 
    111     /**
    112      * Listener for user actions on search view.
    113      */
    114     private final class SearchModeChangeListener implements View.OnClickListener,
    115             SearchView.OnCloseListener {
    116         @Override
    117         public void onClick(View v) {
    118             mSearchMode = true;
    119         }
    120 
    121         @Override
    122         public boolean onClose() {
    123             mSearchMode = false;
    124             return false;
    125         }
    126     }
    127 }
    128