AbstractSource.java revision 49fd8e0994577badc6194c2c3b5f771f2b793fe4
1/* 2 * Copyright (C) 2010 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.quicksearchbox; 18 19import android.app.SearchManager; 20import android.content.ComponentName; 21import android.content.Context; 22import android.content.Intent; 23import android.graphics.drawable.Drawable; 24import android.net.Uri; 25import android.os.Bundle; 26import android.util.Log; 27 28/** 29 * Abstract suggestion source implementation. 30 */ 31public abstract class AbstractSource implements Source { 32 33 private static final String TAG = "QSB.AbstractSource"; 34 35 private final Context mContext; 36 37 private IconLoader mIconLoader; 38 39 public AbstractSource(Context context) { 40 mContext = context; 41 } 42 43 protected Context getContext() { 44 return mContext; 45 } 46 47 protected IconLoader getIconLoader() { 48 if (mIconLoader == null) { 49 String iconPackage = getIconPackage(); 50 mIconLoader = new CachingIconLoader(new PackageIconLoader(mContext, iconPackage)); 51 } 52 return mIconLoader; 53 } 54 55 protected abstract String getIconPackage(); 56 57 public Drawable getIcon(String drawableId) { 58 return getIconLoader().getIcon(drawableId); 59 } 60 61 public Uri getIconUri(String drawableId) { 62 return getIconLoader().getIconUri(drawableId); 63 } 64 65 public Intent createSearchIntent(String query, Bundle appData) { 66 return createSourceSearchIntent(getIntentComponent(), query, appData); 67 } 68 69 public static Intent createSourceSearchIntent(ComponentName activity, String query, 70 Bundle appData) { 71 if (activity == null) { 72 Log.w(TAG, "Tried to create search intent with no target activity"); 73 return null; 74 } 75 Intent intent = new Intent(Intent.ACTION_SEARCH); 76 intent.setComponent(activity); 77 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 78 // We need CLEAR_TOP to avoid reusing an old task that has other activities 79 // on top of the one we want. 80 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); 81 intent.putExtra(SearchManager.USER_QUERY, query); 82 intent.putExtra(SearchManager.QUERY, query); 83 if (appData != null) { 84 intent.putExtra(SearchManager.APP_DATA, appData); 85 } 86 return intent; 87 } 88 89 protected Intent createVoiceWebSearchIntent(Bundle appData) { 90 return QsbApplication.get(mContext).getVoiceSearch() 91 .createVoiceWebSearchIntent(appData); 92 } 93 94 @Override 95 public boolean equals(Object o) { 96 if (o != null && o.getClass().equals(this.getClass())) { 97 AbstractSource s = (AbstractSource) o; 98 return s.getName().equals(getName()); 99 } 100 return false; 101 } 102 103 @Override 104 public int hashCode() { 105 return getName().hashCode(); 106 } 107 108 @Override 109 public String toString() { 110 return "Source{name=" + getName() + "}"; 111 } 112 113} 114