1 /* 2 * Copyright (C) 2017 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.drawer; 18 19 import android.app.Activity; 20 import android.app.Fragment; 21 import android.app.LoaderManager; 22 import android.content.CursorLoader; 23 import android.content.Loader; 24 import android.database.ContentObserver; 25 import android.database.Cursor; 26 import android.net.Uri; 27 import android.os.Bundle; 28 import android.os.Handler; 29 import android.view.Gravity; 30 import android.view.LayoutInflater; 31 import android.view.View; 32 import android.view.ViewGroup; 33 import android.view.WindowInsets; 34 import android.widget.AdapterView; 35 import android.widget.AdapterView.OnItemClickListener; 36 import android.widget.FrameLayout; 37 import android.widget.ListView; 38 39 import com.android.contacts.GroupListLoader; 40 import com.android.contacts.R; 41 import com.android.contacts.activities.PeopleActivity.ContactsView; 42 import com.android.contacts.group.GroupListItem; 43 import com.android.contacts.group.GroupUtil; 44 import com.android.contacts.list.ContactListFilter; 45 import com.android.contacts.model.AccountTypeManager; 46 import com.android.contacts.model.account.AccountInfo; 47 import com.android.contacts.model.account.AccountsLoader; 48 import com.android.contacts.model.account.AccountsLoader.AccountsListener; 49 import com.android.contacts.util.AccountFilterUtil; 50 import com.android.contactsbind.ObjectFactory; 51 52 import java.util.ArrayList; 53 import java.util.Iterator; 54 import java.util.List; 55 56 public class DrawerFragment extends Fragment implements AccountsListener { 57 58 private static final int LOADER_GROUPS = 1; 59 private static final int LOADER_ACCOUNTS = 2; 60 private static final int LOADER_FILTERS = 3; 61 62 private static final String KEY_CONTACTS_VIEW = "contactsView"; 63 private static final String KEY_SELECTED_GROUP = "selectedGroup"; 64 private static final String KEY_SELECTED_ACCOUNT = "selectedAccount"; 65 66 private WelcomeContentObserver mObserver; 67 private ListView mDrawerListView; 68 private DrawerAdapter mDrawerAdapter; 69 private ContactsView mCurrentContactsView; 70 private DrawerFragmentListener mListener; 71 // Transparent scrim drawn at the top of the drawer fragment. 72 private ScrimDrawable mScrimDrawable; 73 74 private List<GroupListItem> mGroupListItems = new ArrayList<>(); 75 private boolean mGroupsLoaded; 76 private boolean mAccountsLoaded; 77 private boolean mHasGroupWritableAccounts; 78 79 private final class WelcomeContentObserver extends ContentObserver { 80 private WelcomeContentObserver(Handler handler) { 81 super(handler); 82 } 83 84 @Override 85 public void onChange(boolean selfChange) { 86 mDrawerAdapter.notifyDataSetChanged(); 87 } 88 } 89 90 private final LoaderManager.LoaderCallbacks<List<ContactListFilter>> mFiltersLoaderListener = 91 new LoaderManager.LoaderCallbacks<List<ContactListFilter>> () { 92 @Override 93 public Loader<List<ContactListFilter>> onCreateLoader(int id, Bundle args) { 94 return new AccountFilterUtil.FilterLoader(getActivity()); 95 } 96 97 @Override 98 public void onLoadFinished( 99 Loader<List<ContactListFilter>> loader, List<ContactListFilter> data) { 100 if (data != null) { 101 if (data == null || data.size() < 2) { 102 mDrawerAdapter.setAccounts(new ArrayList<ContactListFilter>()); 103 } else { 104 mDrawerAdapter.setAccounts(data); 105 } 106 } 107 } 108 109 public void onLoaderReset(Loader<List<ContactListFilter>> loader) { 110 } 111 }; 112 113 private final LoaderManager.LoaderCallbacks<Cursor> mGroupListLoaderListener = 114 new LoaderManager.LoaderCallbacks<Cursor>() { 115 @Override 116 public CursorLoader onCreateLoader(int id, Bundle args) { 117 return new GroupListLoader(getActivity()); 118 } 119 120 @Override 121 public void onLoadFinished(Loader<Cursor> loader, Cursor data) { 122 if (data == null) { 123 return; 124 } 125 mGroupListItems.clear(); 126 // Initialize cursor's position. If Activity relaunched by orientation change, 127 // only onLoadFinished is called. OnCreateLoader is not called. 128 // The cursor's position is remain end position by moveToNext when the last 129 // onLoadFinished was called. 130 // Therefore, if cursor position was not initialized mGroupListItems is empty. 131 data.moveToPosition(-1); 132 for (int i = 0; i < data.getCount(); i++) { 133 if (data.moveToNext()) { 134 mGroupListItems.add(GroupUtil.getGroupListItem(data, i)); 135 } 136 } 137 mGroupsLoaded = true; 138 notifyIfReady(); 139 } 140 141 public void onLoaderReset(Loader<Cursor> loader) { 142 } 143 }; 144 145 public DrawerFragment() {} 146 147 @Override 148 public void onAttach(Activity activity) { 149 super.onAttach(activity); 150 if (activity instanceof DrawerFragmentListener) { 151 mListener = (DrawerFragmentListener) activity; 152 } else { 153 throw new IllegalArgumentException( 154 "Activity must implement " + DrawerFragmentListener.class.getName()); 155 } 156 } 157 158 @Override 159 public View onCreateView(LayoutInflater inflater, ViewGroup container, 160 Bundle savedInstanceState) { 161 final View contentView = inflater.inflate(R.layout.drawer_fragment, null); 162 mDrawerListView = (ListView) contentView.findViewById(R.id.list); 163 mDrawerAdapter = new DrawerAdapter(getActivity()); 164 mDrawerAdapter.setSelectedContactsView(mCurrentContactsView); 165 loadGroupsAndFilters(); 166 mDrawerListView.setAdapter(mDrawerAdapter); 167 mDrawerListView.setOnItemClickListener(mOnDrawerItemClickListener); 168 169 if (savedInstanceState != null) { 170 final ContactsView contactsView = 171 ContactsView.values()[savedInstanceState.getInt(KEY_CONTACTS_VIEW)]; 172 setNavigationItemChecked(contactsView); 173 final long groupId = savedInstanceState.getLong(KEY_SELECTED_GROUP); 174 mDrawerAdapter.setSelectedGroupId(groupId); 175 final ContactListFilter filter = savedInstanceState.getParcelable(KEY_SELECTED_ACCOUNT); 176 mDrawerAdapter.setSelectedAccount(filter); 177 } else { 178 setNavigationItemChecked(ContactsView.ALL_CONTACTS); 179 } 180 181 final FrameLayout root = (FrameLayout) contentView.findViewById(R.id.drawer_fragment_root); 182 root.setFitsSystemWindows(true); 183 root.setOnApplyWindowInsetsListener(new WindowInsetsListener()); 184 root.setForegroundGravity(Gravity.TOP | Gravity.FILL_HORIZONTAL); 185 186 mScrimDrawable = new ScrimDrawable(); 187 root.setForeground(mScrimDrawable); 188 189 return contentView; 190 } 191 192 @Override 193 public void onResume() { 194 super.onResume(); 195 // todo double check on the new Handler() thing 196 final Uri uri = ObjectFactory.getWelcomeUri(); 197 if (uri != null) { 198 mObserver = new WelcomeContentObserver(new Handler()); 199 getActivity().getContentResolver().registerContentObserver(uri, false, mObserver); 200 } 201 } 202 203 @Override 204 public void onSaveInstanceState(Bundle outState) { 205 super.onSaveInstanceState(outState); 206 outState.putInt(KEY_CONTACTS_VIEW, mCurrentContactsView.ordinal()); 207 outState.putLong(KEY_SELECTED_GROUP, mDrawerAdapter.getSelectedGroupId()); 208 outState.putParcelable(KEY_SELECTED_ACCOUNT, mDrawerAdapter.getSelectedAccount()); 209 } 210 211 @Override 212 public void onPause() { 213 super.onPause(); 214 if (mObserver != null) { 215 getActivity().getContentResolver().unregisterContentObserver(mObserver); 216 } 217 } 218 219 private void loadGroupsAndFilters() { 220 getLoaderManager().initLoader(LOADER_FILTERS, null, mFiltersLoaderListener); 221 AccountsLoader.loadAccounts(this, LOADER_ACCOUNTS, 222 AccountTypeManager.AccountFilter.GROUPS_WRITABLE); 223 getLoaderManager().initLoader(LOADER_GROUPS, null, mGroupListLoaderListener); 224 } 225 226 @Override 227 public void onDetach() { 228 super.onDetach(); 229 mListener = null; 230 } 231 232 private final OnItemClickListener mOnDrawerItemClickListener = new OnItemClickListener() { 233 @Override 234 public void onItemClick(AdapterView<?> parent, View v, int position, long id) { 235 if (mListener == null) { 236 return; 237 } 238 final int viewId = v.getId(); 239 if (viewId == R.id.nav_all_contacts) { 240 mListener.onContactsViewSelected(ContactsView.ALL_CONTACTS); 241 setNavigationItemChecked(ContactsView.ALL_CONTACTS); 242 } else if (viewId == R.id.nav_assistant) { 243 mListener.onContactsViewSelected(ContactsView.ASSISTANT); 244 setNavigationItemChecked(ContactsView.ASSISTANT); 245 } else if (viewId == R.id.nav_group) { 246 final GroupListItem groupListItem = (GroupListItem) v.getTag(); 247 mListener.onGroupViewSelected(groupListItem); 248 mDrawerAdapter.setSelectedGroupId(groupListItem.getGroupId()); 249 setNavigationItemChecked(ContactsView.GROUP_VIEW); 250 } else if (viewId == R.id.nav_filter) { 251 final ContactListFilter filter = (ContactListFilter) v.getTag(); 252 mListener.onAccountViewSelected(filter); 253 mDrawerAdapter.setSelectedAccount(filter); 254 setNavigationItemChecked(ContactsView.ACCOUNT_VIEW); 255 } else if (viewId == R.id.nav_create_label) { 256 mListener.onCreateLabelButtonClicked(); 257 } else if (viewId == R.id.nav_settings) { 258 mListener.onOpenSettings(); 259 } else if (viewId == R.id.nav_help) { 260 mListener.onLaunchHelpFeedback(); 261 } else { 262 return; 263 } 264 mListener.onDrawerItemClicked(); 265 } 266 }; 267 268 public void setNavigationItemChecked(ContactsView contactsView) { 269 mCurrentContactsView = contactsView; 270 if (mDrawerAdapter != null) { 271 mDrawerAdapter.setSelectedContactsView(contactsView); 272 } 273 } 274 275 public void updateGroupMenu(long groupId) { 276 mDrawerAdapter.setSelectedGroupId(groupId); 277 setNavigationItemChecked(ContactsView.GROUP_VIEW); 278 } 279 280 @Override 281 public void onAccountsLoaded(List<AccountInfo> accounts) { 282 mHasGroupWritableAccounts = !accounts.isEmpty(); 283 mAccountsLoaded = true; 284 notifyIfReady(); 285 } 286 287 private void notifyIfReady() { 288 if (mAccountsLoaded && mGroupsLoaded) { 289 final Iterator<GroupListItem> iterator = mGroupListItems.iterator(); 290 while (iterator.hasNext()) { 291 final GroupListItem groupListItem = iterator.next(); 292 if (GroupUtil.isEmptyFFCGroup(groupListItem)) { 293 iterator.remove(); 294 } 295 } 296 mDrawerAdapter.setGroups(mGroupListItems, mHasGroupWritableAccounts); 297 } 298 } 299 300 private void applyTopInset(int insetTop) { 301 // set height of the scrim 302 mScrimDrawable.setIntrinsicHeight(insetTop); 303 mDrawerListView.setPadding(mDrawerListView.getPaddingLeft(), 304 insetTop, mDrawerListView.getPaddingRight(), 305 mDrawerListView.getPaddingBottom()); 306 } 307 308 public interface DrawerFragmentListener { 309 void onDrawerItemClicked(); 310 void onContactsViewSelected(ContactsView mode); 311 void onGroupViewSelected(GroupListItem groupListItem); 312 void onAccountViewSelected(ContactListFilter filter); 313 void onCreateLabelButtonClicked(); 314 void onOpenSettings(); 315 void onLaunchHelpFeedback(); 316 } 317 318 private class WindowInsetsListener implements View.OnApplyWindowInsetsListener { 319 @Override 320 public WindowInsets onApplyWindowInsets(View v, WindowInsets insets) { 321 final int insetTop = insets.getSystemWindowInsetTop(); 322 applyTopInset(insetTop); 323 return insets; 324 } 325 } 326 } 327
