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.common.list; 18 19 import android.app.ActionBar; 20 import android.app.Activity; 21 import android.app.LoaderManager.LoaderCallbacks; 22 import android.content.AsyncTaskLoader; 23 import android.content.Context; 24 import android.content.Intent; 25 import android.content.Loader; 26 import android.graphics.drawable.Drawable; 27 import android.os.Bundle; 28 import android.util.Log; 29 import android.view.LayoutInflater; 30 import android.view.MenuItem; 31 import android.view.View; 32 import android.view.ViewGroup; 33 import android.widget.AdapterView; 34 import android.widget.BaseAdapter; 35 import android.widget.ListView; 36 37 import com.android.contacts.common.R; 38 import com.android.contacts.common.model.AccountTypeManager; 39 import com.android.contacts.common.model.account.AccountType; 40 import com.android.contacts.common.model.account.AccountWithDataSet; 41 import com.google.common.collect.Lists; 42 43 import java.util.ArrayList; 44 import java.util.List; 45 46 /** 47 * Shows a list of all available accounts, letting the user select under which account to view 48 * contacts. 49 */ 50 public class AccountFilterActivity extends Activity implements AdapterView.OnItemClickListener { 51 52 private static final String TAG = AccountFilterActivity.class.getSimpleName(); 53 54 private static final int SUBACTIVITY_CUSTOMIZE_FILTER = 0; 55 56 public static final String KEY_EXTRA_CONTACT_LIST_FILTER = "contactListFilter"; 57 public static final String KEY_EXTRA_CURRENT_FILTER = "currentFilter"; 58 59 private static final int FILTER_LOADER_ID = 0; 60 61 private ListView mListView; 62 63 private ContactListFilter mCurrentFilter; 64 65 private ContactListFilterView mCustomFilterView; // the "Customize" filter 66 67 private boolean mIsCustomFilterViewSelected; 68 69 @Override onCreate(Bundle icicle)70 protected void onCreate(Bundle icicle) { 71 super.onCreate(icicle); 72 setContentView(R.layout.contact_list_filter); 73 74 mListView = (ListView) findViewById(android.R.id.list); 75 mListView.setOnItemClickListener(this); 76 77 ActionBar actionBar = getActionBar(); 78 if (actionBar != null) { 79 actionBar.setDisplayHomeAsUpEnabled(true); 80 } 81 82 mCurrentFilter = getIntent().getParcelableExtra(KEY_EXTRA_CURRENT_FILTER); 83 84 getLoaderManager().initLoader(FILTER_LOADER_ID, null, new MyLoaderCallbacks()); 85 } 86 87 private static class FilterLoader extends AsyncTaskLoader<List<ContactListFilter>> { 88 private Context mContext; 89 FilterLoader(Context context)90 public FilterLoader(Context context) { 91 super(context); 92 mContext = context; 93 } 94 95 @Override loadInBackground()96 public List<ContactListFilter> loadInBackground() { 97 return loadAccountFilters(mContext); 98 } 99 100 @Override onStartLoading()101 protected void onStartLoading() { 102 forceLoad(); 103 } 104 105 @Override onStopLoading()106 protected void onStopLoading() { 107 cancelLoad(); 108 } 109 110 @Override onReset()111 protected void onReset() { 112 onStopLoading(); 113 } 114 } 115 loadAccountFilters(Context context)116 private static List<ContactListFilter> loadAccountFilters(Context context) { 117 final ArrayList<ContactListFilter> result = Lists.newArrayList(); 118 final ArrayList<ContactListFilter> accountFilters = Lists.newArrayList(); 119 final AccountTypeManager accountTypes = AccountTypeManager.getInstance(context); 120 List<AccountWithDataSet> accounts = accountTypes.getAccounts(false); 121 for (AccountWithDataSet account : accounts) { 122 AccountType accountType = accountTypes.getAccountType(account.type, account.dataSet); 123 if (accountType.isExtension() && !account.hasData(context)) { 124 // Hide extensions with no raw_contacts. 125 continue; 126 } 127 Drawable icon = accountType != null ? accountType.getDisplayIcon(context) : null; 128 accountFilters.add(ContactListFilter.createAccountFilter( 129 account.type, account.name, account.dataSet, icon)); 130 } 131 132 // Always show "All", even when there's no accounts. (We may have local contacts) 133 result.add(ContactListFilter.createFilterWithType( 134 ContactListFilter.FILTER_TYPE_ALL_ACCOUNTS)); 135 136 final int count = accountFilters.size(); 137 if (count >= 1) { 138 // If we only have one account, don't show it as "account", instead show it as "all" 139 if (count > 1) { 140 result.addAll(accountFilters); 141 } 142 result.add(ContactListFilter.createFilterWithType( 143 ContactListFilter.FILTER_TYPE_CUSTOM)); 144 } 145 return result; 146 } 147 148 private class MyLoaderCallbacks implements LoaderCallbacks<List<ContactListFilter>> { 149 @Override onCreateLoader(int id, Bundle args)150 public Loader<List<ContactListFilter>> onCreateLoader(int id, Bundle args) { 151 return new FilterLoader(AccountFilterActivity.this); 152 } 153 154 @Override onLoadFinished( Loader<List<ContactListFilter>> loader, List<ContactListFilter> data)155 public void onLoadFinished( 156 Loader<List<ContactListFilter>> loader, List<ContactListFilter> data) { 157 if (data == null) { // Just in case... 158 Log.e(TAG, "Failed to load filters"); 159 return; 160 } 161 mListView.setAdapter( 162 new FilterListAdapter(AccountFilterActivity.this, data, mCurrentFilter)); 163 } 164 165 @Override onLoaderReset(Loader<List<ContactListFilter>> loader)166 public void onLoaderReset(Loader<List<ContactListFilter>> loader) { 167 } 168 } 169 170 @Override onItemClick(AdapterView<?> parent, View view, int position, long id)171 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 172 final ContactListFilterView listFilterView = (ContactListFilterView) view; 173 final ContactListFilter filter = (ContactListFilter) view.getTag(); 174 if (filter == null) return; // Just in case 175 if (filter.filterType == ContactListFilter.FILTER_TYPE_CUSTOM) { 176 mCustomFilterView = listFilterView; 177 mIsCustomFilterViewSelected = listFilterView.isChecked(); 178 final Intent intent = new Intent(this, 179 CustomContactListFilterActivity.class); 180 listFilterView.setActivated(true); 181 // Switching activity has the highest priority. So when we open another activity, the 182 // announcement that indicates an account is checked will be interrupted. This is the 183 // way to overcome -- View.announceForAccessibility(CharSequence text); 184 listFilterView.announceForAccessibility(listFilterView.generateContentDescription()); 185 startActivityForResult(intent, SUBACTIVITY_CUSTOMIZE_FILTER); 186 } else { 187 listFilterView.setActivated(true); 188 listFilterView.announceForAccessibility(listFilterView.generateContentDescription()); 189 final Intent intent = new Intent(); 190 intent.putExtra(KEY_EXTRA_CONTACT_LIST_FILTER, filter); 191 setResult(Activity.RESULT_OK, intent); 192 finish(); 193 } 194 } 195 196 @Override onActivityResult(int requestCode, int resultCode, Intent data)197 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 198 if (resultCode == Activity.RESULT_CANCELED && mCustomFilterView != null && 199 !mIsCustomFilterViewSelected) { 200 mCustomFilterView.setActivated(false); 201 return; 202 } 203 204 if (resultCode != Activity.RESULT_OK) { 205 return; 206 } 207 208 switch (requestCode) { 209 case SUBACTIVITY_CUSTOMIZE_FILTER: { 210 final Intent intent = new Intent(); 211 ContactListFilter filter = ContactListFilter.createFilterWithType( 212 ContactListFilter.FILTER_TYPE_CUSTOM); 213 intent.putExtra(KEY_EXTRA_CONTACT_LIST_FILTER, filter); 214 setResult(Activity.RESULT_OK, intent); 215 finish(); 216 break; 217 } 218 } 219 } 220 221 private static class FilterListAdapter extends BaseAdapter { 222 private final List<ContactListFilter> mFilters; 223 private final LayoutInflater mLayoutInflater; 224 private final AccountTypeManager mAccountTypes; 225 private final ContactListFilter mCurrentFilter; 226 FilterListAdapter( Context context, List<ContactListFilter> filters, ContactListFilter current)227 public FilterListAdapter( 228 Context context, List<ContactListFilter> filters, ContactListFilter current) { 229 mLayoutInflater = (LayoutInflater) context.getSystemService 230 (Context.LAYOUT_INFLATER_SERVICE); 231 mFilters = filters; 232 mCurrentFilter = current; 233 mAccountTypes = AccountTypeManager.getInstance(context); 234 } 235 236 @Override getCount()237 public int getCount() { 238 return mFilters.size(); 239 } 240 241 @Override getItemId(int position)242 public long getItemId(int position) { 243 return position; 244 } 245 246 @Override getItem(int position)247 public ContactListFilter getItem(int position) { 248 return mFilters.get(position); 249 } 250 getView(int position, View convertView, ViewGroup parent)251 public View getView(int position, View convertView, ViewGroup parent) { 252 final ContactListFilterView view; 253 if (convertView != null) { 254 view = (ContactListFilterView) convertView; 255 } else { 256 view = (ContactListFilterView) mLayoutInflater.inflate( 257 R.layout.contact_list_filter_item, parent, false); 258 } 259 view.setSingleAccount(mFilters.size() == 1); 260 final ContactListFilter filter = mFilters.get(position); 261 view.setContactListFilter(filter); 262 view.bindView(mAccountTypes); 263 view.setTag(filter); 264 view.setActivated(filter.equals(mCurrentFilter)); 265 return view; 266 } 267 } 268 269 @Override onOptionsItemSelected(MenuItem item)270 public boolean onOptionsItemSelected(MenuItem item) { 271 switch (item.getItemId()) { 272 case android.R.id.home: 273 // We have two logical "up" Activities: People and Phone. 274 // Instead of having one static "up" direction, behave like back as an 275 // exceptional case. 276 onBackPressed(); 277 return true; 278 default: 279 break; 280 } 281 return super.onOptionsItemSelected(item); 282 } 283 } 284