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 17 package com.android.contacts.list; 18 19 import com.android.contacts.ContactsActivity; 20 import com.android.contacts.R; 21 import com.android.contacts.model.AccountType; 22 import com.android.contacts.model.AccountTypeManager; 23 import com.android.contacts.model.AccountWithDataSet; 24 import com.google.android.collect.Lists; 25 26 import android.app.ActionBar; 27 import android.app.Activity; 28 import android.app.LoaderManager.LoaderCallbacks; 29 import android.content.AsyncTaskLoader; 30 import android.content.Context; 31 import android.content.Intent; 32 import android.content.Loader; 33 import android.graphics.drawable.Drawable; 34 import android.os.Bundle; 35 import android.util.Log; 36 import android.view.LayoutInflater; 37 import android.view.MenuItem; 38 import android.view.View; 39 import android.view.ViewGroup; 40 import android.widget.AdapterView; 41 import android.widget.BaseAdapter; 42 import android.widget.ListView; 43 44 import java.util.ArrayList; 45 import java.util.List; 46 47 /** 48 * Shows a list of all available accounts, letting the user select under which account to view 49 * contacts. 50 */ 51 public class AccountFilterActivity extends ContactsActivity 52 implements AdapterView.OnItemClickListener { 53 54 private static final String TAG = AccountFilterActivity.class.getSimpleName(); 55 56 private static final int SUBACTIVITY_CUSTOMIZE_FILTER = 0; 57 58 public static final String KEY_EXTRA_CONTACT_LIST_FILTER = "contactListFilter"; 59 public static final String KEY_EXTRA_CURRENT_FILTER = "currentFilter"; 60 61 private static final int FILTER_LOADER_ID = 0; 62 63 private ListView mListView; 64 65 private ContactListFilter mCurrentFilter; 66 67 @Override 68 protected void onCreate(Bundle icicle) { 69 super.onCreate(icicle); 70 setContentView(R.layout.contact_list_filter); 71 72 mListView = (ListView) findViewById(com.android.internal.R.id.list); 73 mListView.setOnItemClickListener(this); 74 75 ActionBar actionBar = getActionBar(); 76 if (actionBar != null) { 77 actionBar.setDisplayHomeAsUpEnabled(true); 78 } 79 80 mCurrentFilter = getIntent().getParcelableExtra(KEY_EXTRA_CURRENT_FILTER); 81 82 getLoaderManager().initLoader(FILTER_LOADER_ID, null, new MyLoaderCallbacks()); 83 } 84 85 private static class FilterLoader extends AsyncTaskLoader<List<ContactListFilter>> { 86 private Context mContext; 87 88 public FilterLoader(Context context) { 89 super(context); 90 mContext = context; 91 } 92 93 @Override 94 public List<ContactListFilter> loadInBackground() { 95 return loadAccountFilters(mContext); 96 } 97 98 @Override 99 protected void onStartLoading() { 100 forceLoad(); 101 } 102 103 @Override 104 protected void onStopLoading() { 105 cancelLoad(); 106 } 107 108 @Override 109 protected void onReset() { 110 onStopLoading(); 111 } 112 } 113 114 private static List<ContactListFilter> loadAccountFilters(Context context) { 115 final ArrayList<ContactListFilter> result = Lists.newArrayList(); 116 final ArrayList<ContactListFilter> accountFilters = Lists.newArrayList(); 117 final AccountTypeManager accountTypes = AccountTypeManager.getInstance(context); 118 List<AccountWithDataSet> accounts = accountTypes.getAccounts(false); 119 for (AccountWithDataSet account : accounts) { 120 AccountType accountType = accountTypes.getAccountType(account.type, account.dataSet); 121 if (accountType.isExtension() && !account.hasData(context)) { 122 // Hide extensions with no raw_contacts. 123 continue; 124 } 125 Drawable icon = accountType != null ? accountType.getDisplayIcon(context) : null; 126 accountFilters.add(ContactListFilter.createAccountFilter( 127 account.type, account.name, account.dataSet, icon)); 128 } 129 130 // Always show "All", even when there's no accounts. (We may have local contacts) 131 result.add(ContactListFilter.createFilterWithType( 132 ContactListFilter.FILTER_TYPE_ALL_ACCOUNTS)); 133 134 final int count = accountFilters.size(); 135 if (count >= 1) { 136 // If we only have one account, don't show it as "account", instead show it as "all" 137 if (count > 1) { 138 result.addAll(accountFilters); 139 } 140 result.add(ContactListFilter.createFilterWithType( 141 ContactListFilter.FILTER_TYPE_CUSTOM)); 142 } 143 return result; 144 } 145 146 private class MyLoaderCallbacks implements LoaderCallbacks<List<ContactListFilter>> { 147 @Override 148 public Loader<List<ContactListFilter>> onCreateLoader(int id, Bundle args) { 149 return new FilterLoader(AccountFilterActivity.this); 150 } 151 152 @Override 153 public void onLoadFinished( 154 Loader<List<ContactListFilter>> loader, List<ContactListFilter> data) { 155 if (data == null) { // Just in case... 156 Log.e(TAG, "Failed to load filters"); 157 return; 158 } 159 mListView.setAdapter( 160 new FilterListAdapter(AccountFilterActivity.this, data, mCurrentFilter)); 161 } 162 163 @Override 164 public void onLoaderReset(Loader<List<ContactListFilter>> loader) { 165 } 166 } 167 168 @Override 169 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 170 final ContactListFilter filter = (ContactListFilter) view.getTag(); 171 if (filter == null) return; // Just in case 172 if (filter.filterType == ContactListFilter.FILTER_TYPE_CUSTOM) { 173 final Intent intent = new Intent(this, 174 CustomContactListFilterActivity.class); 175 startActivityForResult(intent, SUBACTIVITY_CUSTOMIZE_FILTER); 176 } else { 177 final Intent intent = new Intent(); 178 intent.putExtra(KEY_EXTRA_CONTACT_LIST_FILTER, filter); 179 setResult(Activity.RESULT_OK, intent); 180 finish(); 181 } 182 } 183 184 @Override 185 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 186 if (resultCode != Activity.RESULT_OK) { 187 return; 188 } 189 190 switch (requestCode) { 191 case SUBACTIVITY_CUSTOMIZE_FILTER: { 192 final Intent intent = new Intent(); 193 ContactListFilter filter = ContactListFilter.createFilterWithType( 194 ContactListFilter.FILTER_TYPE_CUSTOM); 195 intent.putExtra(KEY_EXTRA_CONTACT_LIST_FILTER, filter); 196 setResult(Activity.RESULT_OK, intent); 197 finish(); 198 break; 199 } 200 } 201 } 202 203 private static class FilterListAdapter extends BaseAdapter { 204 private final List<ContactListFilter> mFilters; 205 private final LayoutInflater mLayoutInflater; 206 private final AccountTypeManager mAccountTypes; 207 private final ContactListFilter mCurrentFilter; 208 209 public FilterListAdapter( 210 Context context, List<ContactListFilter> filters, ContactListFilter current) { 211 mLayoutInflater = (LayoutInflater) context.getSystemService 212 (Context.LAYOUT_INFLATER_SERVICE); 213 mFilters = filters; 214 mCurrentFilter = current; 215 mAccountTypes = AccountTypeManager.getInstance(context); 216 } 217 218 @Override 219 public int getCount() { 220 return mFilters.size(); 221 } 222 223 @Override 224 public long getItemId(int position) { 225 return position; 226 } 227 228 @Override 229 public ContactListFilter getItem(int position) { 230 return mFilters.get(position); 231 } 232 233 public View getView(int position, View convertView, ViewGroup parent) { 234 final ContactListFilterView view; 235 if (convertView != null) { 236 view = (ContactListFilterView) convertView; 237 } else { 238 view = (ContactListFilterView) mLayoutInflater.inflate( 239 R.layout.contact_list_filter_item, parent, false); 240 } 241 view.setSingleAccount(mFilters.size() == 1); 242 final ContactListFilter filter = mFilters.get(position); 243 view.setContactListFilter(filter); 244 view.bindView(mAccountTypes); 245 view.setTag(filter); 246 view.setActivated(filter.equals(mCurrentFilter)); 247 return view; 248 } 249 } 250 251 @Override 252 public boolean onOptionsItemSelected(MenuItem item) { 253 switch (item.getItemId()) { 254 case android.R.id.home: 255 // We have two logical "up" Activities: People and Phone. 256 // Instead of having one static "up" direction, behave like back as an 257 // exceptional case. 258 onBackPressed(); 259 return true; 260 default: 261 break; 262 } 263 return super.onOptionsItemSelected(item); 264 } 265 } 266