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 package com.android.quicksearchbox; 17 18 import android.content.Context; 19 import android.content.Intent; 20 import android.net.Uri; 21 import android.view.Menu; 22 import android.view.MenuInflater; 23 import android.view.MenuItem; 24 25 /** 26 * Handles app help. 27 */ 28 public class Help { 29 30 private final Context mContext; 31 private final Config mConfig; 32 33 public Help(Context context, Config config) { 34 mContext = context; 35 mConfig = config; 36 } 37 38 public void addHelpMenuItem(Menu menu, String activityName) { 39 addHelpMenuItem(menu, activityName, false); 40 } 41 42 public void addHelpMenuItem(Menu menu, String activityName, boolean showAsAction) { 43 Intent helpIntent = getHelpIntent(activityName); 44 if (helpIntent != null) { 45 MenuInflater inflater = new MenuInflater(mContext); 46 inflater.inflate(R.menu.help, menu); 47 MenuItem item = menu.findItem(R.id.menu_help); 48 item.setIntent(helpIntent); 49 if (showAsAction) { 50 item.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); 51 } 52 } 53 } 54 55 private Intent getHelpIntent(String activityName) { 56 Uri helpUrl = mConfig.getHelpUrl(activityName); 57 if (helpUrl == null) return null; 58 return new Intent(Intent.ACTION_VIEW, helpUrl); 59 } 60 61 } 62
