2 * Copyright (C) 2007 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.calendar;
19 import android.accounts.AccountManager;
20 import android.accounts.AuthenticatorDescription;
21 import android.content.AsyncQueryHandler;
22 import android.content.ContentResolver;
23 import android.content.ContentUris;
24 import android.content.ContentValues;
25 import android.content.Context;
26 import android.content.pm.PackageManager;
27 import android.database.Cursor;
28 import android.database.MatrixCursor;
29 import android.net.Uri;
30 import android.provider.Calendar.Calendars;
31 import android.text.TextUtils;
32 import android.util.Log;
33 import android.view.LayoutInflater;
34 import android.view.View;
35 import android.view.ViewGroup;
36 import android.widget.CursorTreeAdapter;
37 import android.widget.TextView;
39 import java.util.HashMap;
40 import java.util.Iterator;
43 public class SelectCalendarsAdapter extends CursorTreeAdapter implements View.OnClickListener {
45 private static final String TAG = "Calendar";
47 private static final String COLLATE_NOCASE = " COLLATE NOCASE";
48 private static final String IS_PRIMARY = "\"primary\"";
49 private static final String CALENDARS_ORDERBY = IS_PRIMARY + " DESC," + Calendars.DISPLAY_NAME +
51 private static final String ACCOUNT_SELECTION = Calendars._SYNC_ACCOUNT + "=?";
53 // The drawables used for the button to change the visible and sync states on a calendar
54 private static final int[] SYNC_VIS_BUTTON_RES = new int[] {
55 R.drawable.widget_show,
56 R.drawable.widget_sync,
60 private final LayoutInflater mInflater;
61 private final ContentResolver mResolver;
62 private final SelectCalendarsActivity mActivity;
63 private final View mView;
64 private Map<String, AuthenticatorDescription> mTypeToAuthDescription
65 = new HashMap<String, AuthenticatorDescription>();
66 protected AuthenticatorDescription[] mAuthDescs;
68 // These track changes to the visible (selected) and synced state of calendars
69 private Map<Long, Boolean[]> mCalendarChanges
70 = new HashMap<Long, Boolean[]>();
71 private Map<Long, Boolean[]> mCalendarInitialStates
72 = new HashMap<Long, Boolean[]>();
73 private static final int SELECTED_INDEX = 0;
74 private static final int SYNCED_INDEX = 1;
75 private static final int CHANGES_SIZE = 2;
77 // This is for keeping MatrixCursor copies so that we can requery in the background.
78 private static Map<String, Cursor> mChildrenCursors
79 = new HashMap<String, Cursor>();
81 private static AsyncCalendarsUpdater mCalendarsUpdater;
82 // This is to keep our update tokens separate from other tokens. Since we cancel old updates
83 // when a new update comes in, we'd like to leave a token space that won't be canceled.
84 private static final int MIN_UPDATE_TOKEN = 1000;
85 private static int mUpdateToken = MIN_UPDATE_TOKEN;
86 // How long to wait between requeries of the calendars to see if anything has changed.
87 private static final int REFRESH_DELAY = 5000;
88 // How long to keep refreshing for
89 private static final int REFRESH_DURATION = 60000;
90 private boolean mRefresh = true;
91 private int mNumAccounts;
93 private static String syncedVisible;
94 private static String syncedNotVisible;
95 private static String notSyncedNotVisible;
97 // This is to keep track of whether or not multiple calendars have the same display name
98 private static HashMap<String, Boolean> mIsDuplicateName = new HashMap<String, Boolean>();
100 private static final String[] PROJECTION = new String[] {
102 Calendars._SYNC_ACCOUNT,
103 Calendars.OWNER_ACCOUNT,
104 Calendars.DISPLAY_NAME,
107 Calendars.SYNC_EVENTS,
108 "(" + Calendars._SYNC_ACCOUNT + "=" + Calendars.OWNER_ACCOUNT + ") AS " + IS_PRIMARY,
110 //Keep these in sync with the projection
111 private static final int ID_COLUMN = 0;
112 private static final int ACCOUNT_COLUMN = 1;
113 private static final int OWNER_COLUMN = 2;
114 private static final int NAME_COLUMN = 3;
115 private static final int COLOR_COLUMN = 4;
116 private static final int SELECTED_COLUMN = 5;
117 private static final int SYNCED_COLUMN = 6;
118 private static final int PRIMARY_COLUMN = 7;
120 private class AsyncCalendarsUpdater extends AsyncQueryHandler {
122 public AsyncCalendarsUpdater(ContentResolver cr) {
127 protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
132 // Set up a refresh for some point in the future if we haven't reached our max number
133 // of requeries yet. To make the code to track this easier we just use one count across
134 // all accounts and scale our max by the number of accounts.
136 mView.postDelayed(new RefreshCalendars(token, cookie), REFRESH_DELAY);
139 Cursor currentCursor = mChildrenCursors.get(cookie);
140 // Check if the new cursor has the same content as our old cursor
141 if (currentCursor != null) {
142 if (Utils.compareCursors(currentCursor, cursor)) {
147 // If not then make a new matrix cursor for our Map
148 MatrixCursor newCursor = Utils.matrixCursorFromCursor(cursor);
150 // And update our list of duplicated names
151 Utils.checkForDuplicateNames(mIsDuplicateName, newCursor, NAME_COLUMN);
153 mChildrenCursors.put((String)cookie, newCursor);
155 setChildrenCursor(token, newCursor);
156 mActivity.startManagingCursor(newCursor);
157 } catch (NullPointerException e) {
158 Log.w(TAG, "Adapter expired, try again on the next query: " + e.getMessage());
160 // Clean up our old cursor if we had one. We have to do this after setting the new
161 // cursor so that our view doesn't throw on an invalid cursor.
162 if (currentCursor != null) {
163 mActivity.stopManagingCursor(currentCursor);
164 currentCursor.close();
172 * Method for changing the sync/vis state when a calendar's button is pressed.
174 * This gets called when the MultiStateButton for a calendar is clicked. It cycles the sync/vis
175 * state for the associated calendar and saves a change of state to a hashmap. It also compares
176 * against the original value and removes any changes from the hashmap if this is back
177 * at its initial state.
179 public void onClick(View v) {
180 View view = (View)v.getTag();
181 long id = (Long)view.getTag();
182 Uri uri = ContentUris.withAppendedId(Calendars.CONTENT_URI, id);
183 String status = syncedNotVisible;
185 Boolean[] initialState = mCalendarInitialStates.get(id);
186 if (mCalendarChanges.containsKey(id)) {
187 change = mCalendarChanges.get(id);
189 change = new Boolean[CHANGES_SIZE];
190 change[SELECTED_INDEX] = initialState[SELECTED_INDEX];
191 change[SYNCED_INDEX] = initialState[SYNCED_INDEX];
192 mCalendarChanges.put(id, change);
195 if (change[SELECTED_INDEX]) {
196 change[SELECTED_INDEX] = false;
197 status = syncedNotVisible;
199 else if (change[SYNCED_INDEX]) {
200 change[SYNCED_INDEX] = false;
201 status = notSyncedNotVisible;
205 change[SYNCED_INDEX] = true;
206 change[SELECTED_INDEX] = true;
207 status = syncedVisible;
209 setText(view, R.id.status, status);
210 if (change[SELECTED_INDEX] == initialState[SELECTED_INDEX] &&
211 change[SYNCED_INDEX] == initialState[SYNCED_INDEX]) {
212 mCalendarChanges.remove(id);
216 public SelectCalendarsAdapter(Context context, Cursor cursor, SelectCalendarsActivity act) {
217 super(cursor, context);
218 syncedVisible = context.getString(R.string.synced_visible);
219 syncedNotVisible = context.getString(R.string.synced_not_visible);
220 notSyncedNotVisible = context.getString(R.string.not_synced_not_visible);
222 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
223 mResolver = context.getContentResolver();
225 if (mCalendarsUpdater == null) {
226 mCalendarsUpdater = new AsyncCalendarsUpdater(mResolver);
229 mNumAccounts = cursor.getCount();
230 if(mNumAccounts == 0) {
231 //Should never happen since Calendar requires an account exist to use it.
232 Log.e(TAG, "SelectCalendarsAdapter: No accounts were returned!");
234 //Collect proper description for account types
235 mAuthDescs = AccountManager.get(context).getAuthenticatorTypes();
236 for (int i = 0; i < mAuthDescs.length; i++) {
237 mTypeToAuthDescription.put(mAuthDescs[i].type, mAuthDescs[i]);
239 mView = mActivity.getExpandableListView();
240 mView.postDelayed(new Runnable() {
244 }, REFRESH_DURATION);
248 * Write back the changes that have been made. The sync code will pick up any changes and
249 * do updates on its own.
251 public void doSaveAction() {
252 // Cancel the previous operation
253 mCalendarsUpdater.cancelOperation(mUpdateToken);
255 // This is to allow us to do queries and updates with the same AsyncQueryHandler without
256 // accidently canceling queries.
257 if(mUpdateToken < MIN_UPDATE_TOKEN) mUpdateToken = MIN_UPDATE_TOKEN;
259 Iterator<Long> changeKeys = mCalendarChanges.keySet().iterator();
260 while (changeKeys.hasNext()) {
261 long id = changeKeys.next();
262 Boolean[] change = mCalendarChanges.get(id);
263 int newSelected = change[SELECTED_INDEX] ? 1 : 0;
264 int newSynced = change[SYNCED_INDEX] ? 1 : 0;
266 Uri uri = ContentUris.withAppendedId(Calendars.CONTENT_URI, id);
267 ContentValues values = new ContentValues();
268 values.put(Calendars.SELECTED, newSelected);
269 values.put(Calendars.SYNC_EVENTS, newSynced);
270 mCalendarsUpdater.startUpdate(mUpdateToken, id, uri, values, null, null);
274 private static void setText(View view, int id, String text) {
275 if (TextUtils.isEmpty(text)) {
278 TextView textView = (TextView) view.findViewById(id);
279 textView.setText(text);
283 * Gets the label associated with a particular account type. If none found, return null.
284 * @param accountType the type of account
285 * @return a CharSequence for the label or null if one cannot be found.
287 protected CharSequence getLabelForType(final String accountType) {
288 CharSequence label = null;
289 if (mTypeToAuthDescription.containsKey(accountType)) {
291 AuthenticatorDescription desc = mTypeToAuthDescription.get(accountType);
292 Context authContext = mActivity.createPackageContext(desc.packageName, 0);
293 label = authContext.getResources().getText(desc.labelId);
294 } catch (PackageManager.NameNotFoundException e) {
295 Log.w(TAG, "No label for account type " + ", type " + accountType);
302 protected void bindChildView(View view, Context context, Cursor cursor, boolean isLastChild) {
303 String account = cursor.getString(ACCOUNT_COLUMN);
304 String status = notSyncedNotVisible;
306 int position = cursor.getPosition();
307 long id = cursor.getLong(ID_COLUMN);
309 // First see if the user has already changed the state of this calendar
310 Boolean[] initialState = mCalendarChanges.get(id);
311 // if not just grab the initial state
312 if (initialState == null) {
313 initialState = mCalendarInitialStates.get(id);
315 // and create a new initial state if we've never seen this calendar before.
316 if(initialState == null) {
317 initialState = new Boolean[CHANGES_SIZE];
318 initialState[SELECTED_INDEX] = cursor.getInt(SELECTED_COLUMN) == 1;
319 initialState[SYNCED_INDEX] = cursor.getInt(SYNCED_COLUMN) == 1;
320 mCalendarInitialStates.put(id, initialState);
323 if(initialState[SYNCED_INDEX]) {
324 if(initialState[SELECTED_INDEX]) {
325 status = syncedVisible;
328 status = syncedNotVisible;
333 view.findViewById(R.id.color)
334 .setBackgroundDrawable(Utils.getColorChip(cursor.getInt(COLOR_COLUMN)));
335 String name = cursor.getString(NAME_COLUMN);
336 String owner = cursor.getString(OWNER_COLUMN);
337 if (mIsDuplicateName.containsKey(name) && mIsDuplicateName.get(name) &&
338 !name.equalsIgnoreCase(owner)) {
339 name = new StringBuilder(name)
340 .append(Utils.OPEN_EMAIL_MARKER)
342 .append(Utils.CLOSE_EMAIL_MARKER)
345 setText(view, R.id.calendar, name);
346 setText(view, R.id.status, status);
347 MultiStateButton button = (MultiStateButton) view.findViewById(R.id.multiStateButton);
349 //Set up the listeners so a click on the button will change the state.
350 //The view already uses the onChildClick method in the activity.
353 button.setOnClickListener(this);
354 button.setButtonResources(SYNC_VIS_BUTTON_RES);
355 button.setState(state);
359 protected void bindGroupView(View view, Context context, Cursor cursor, boolean isExpanded) {
360 int accountColumn = cursor.getColumnIndexOrThrow(Calendars._SYNC_ACCOUNT);
361 int accountTypeColumn = cursor.getColumnIndexOrThrow(Calendars._SYNC_ACCOUNT_TYPE);
362 String account = cursor.getString(accountColumn);
363 String accountType = cursor.getString(accountTypeColumn);
364 setText(view, R.id.account, account);
365 setText(view, R.id.account_type, getLabelForType(accountType).toString());
369 protected Cursor getChildrenCursor(Cursor groupCursor) {
370 int accountColumn = groupCursor.getColumnIndexOrThrow(Calendars._SYNC_ACCOUNT);
371 String account = groupCursor.getString(accountColumn);
372 //Get all the calendars for just this account.
373 Cursor childCursor = mChildrenCursors.get(account);
374 mCalendarsUpdater.startQuery(groupCursor.getPosition(),
376 Calendars.CONTENT_URI, PROJECTION,
378 new String[] { account } /*selectionArgs*/,
384 protected View newChildView(Context context, Cursor cursor, boolean isLastChild,
386 return mInflater.inflate(R.layout.calendar_item, parent, false);
390 protected View newGroupView(Context context, Cursor cursor, boolean isExpanded,
392 return mInflater.inflate(R.layout.account_item, parent, false);
395 private class RefreshCalendars implements Runnable {
400 public RefreshCalendars(int token, Object cookie) {
406 mCalendarsUpdater.startQuery(mToken,
408 Calendars.CONTENT_URI, PROJECTION,
410 new String[] { mAccount.toString() } /*selectionArgs*/,