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 final static Runnable mStopRefreshing = new Runnable() {
69 private Map<String, AuthenticatorDescription> mTypeToAuthDescription
70 = new HashMap<String, AuthenticatorDescription>();
71 protected AuthenticatorDescription[] mAuthDescs;
73 // These track changes to the visible (selected) and synced state of calendars
74 private Map<Long, Boolean[]> mCalendarChanges
75 = new HashMap<Long, Boolean[]>();
76 private Map<Long, Boolean[]> mCalendarInitialStates
77 = new HashMap<Long, Boolean[]>();
78 private static final int SELECTED_INDEX = 0;
79 private static final int SYNCED_INDEX = 1;
80 private static final int CHANGES_SIZE = 2;
82 // This is for keeping MatrixCursor copies so that we can requery in the background.
83 private static Map<String, Cursor> mChildrenCursors
84 = new HashMap<String, Cursor>();
86 private static AsyncCalendarsUpdater mCalendarsUpdater;
87 // This is to keep our update tokens separate from other tokens. Since we cancel old updates
88 // when a new update comes in, we'd like to leave a token space that won't be canceled.
89 private static final int MIN_UPDATE_TOKEN = 1000;
90 private static int mUpdateToken = MIN_UPDATE_TOKEN;
91 // How long to wait between requeries of the calendars to see if anything has changed.
92 private static final int REFRESH_DELAY = 5000;
93 // How long to keep refreshing for
94 private static final int REFRESH_DURATION = 60000;
95 private static boolean mRefresh = true;
96 private int mNumAccounts;
98 private static String syncedVisible;
99 private static String syncedNotVisible;
100 private static String notSyncedNotVisible;
102 // This is to keep track of whether or not multiple calendars have the same display name
103 private static HashMap<String, Boolean> mIsDuplicateName = new HashMap<String, Boolean>();
105 private static final String[] PROJECTION = new String[] {
107 Calendars._SYNC_ACCOUNT,
108 Calendars.OWNER_ACCOUNT,
109 Calendars.DISPLAY_NAME,
112 Calendars.SYNC_EVENTS,
113 "(" + Calendars._SYNC_ACCOUNT + "=" + Calendars.OWNER_ACCOUNT + ") AS " + IS_PRIMARY,
115 //Keep these in sync with the projection
116 private static final int ID_COLUMN = 0;
117 private static final int ACCOUNT_COLUMN = 1;
118 private static final int OWNER_COLUMN = 2;
119 private static final int NAME_COLUMN = 3;
120 private static final int COLOR_COLUMN = 4;
121 private static final int SELECTED_COLUMN = 5;
122 private static final int SYNCED_COLUMN = 6;
123 private static final int PRIMARY_COLUMN = 7;
125 private class AsyncCalendarsUpdater extends AsyncQueryHandler {
127 public AsyncCalendarsUpdater(ContentResolver cr) {
132 protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
137 Cursor currentCursor = mChildrenCursors.get(cookie);
138 // Check if the new cursor has the same content as our old cursor
139 if (currentCursor != null) {
140 if (Utils.compareCursors(currentCursor, cursor)) {
145 // If not then make a new matrix cursor for our Map
146 MatrixCursor newCursor = Utils.matrixCursorFromCursor(cursor);
148 // And update our list of duplicated names
149 Utils.checkForDuplicateNames(mIsDuplicateName, newCursor, NAME_COLUMN);
151 mChildrenCursors.put((String)cookie, newCursor);
153 setChildrenCursor(token, newCursor);
154 mActivity.startManagingCursor(newCursor);
155 } catch (NullPointerException e) {
156 Log.w(TAG, "Adapter expired, try again on the next query: " + e);
158 // Clean up our old cursor if we had one. We have to do this after setting the new
159 // cursor so that our view doesn't throw on an invalid cursor.
160 if (currentCursor != null) {
161 mActivity.stopManagingCursor(currentCursor);
162 currentCursor.close();
170 * Method for changing the sync/vis state when a calendar's button is pressed.
172 * This gets called when the MultiStateButton for a calendar is clicked. It cycles the sync/vis
173 * state for the associated calendar and saves a change of state to a hashmap. It also compares
174 * against the original value and removes any changes from the hashmap if this is back
175 * at its initial state.
177 public void onClick(View v) {
178 View view = (View)v.getTag();
179 long id = (Long)view.getTag();
180 Uri uri = ContentUris.withAppendedId(Calendars.CONTENT_URI, id);
181 String status = syncedNotVisible;
183 Boolean[] initialState = mCalendarInitialStates.get(id);
184 if (mCalendarChanges.containsKey(id)) {
185 change = mCalendarChanges.get(id);
187 change = new Boolean[CHANGES_SIZE];
188 change[SELECTED_INDEX] = initialState[SELECTED_INDEX];
189 change[SYNCED_INDEX] = initialState[SYNCED_INDEX];
190 mCalendarChanges.put(id, change);
193 if (change[SELECTED_INDEX]) {
194 change[SELECTED_INDEX] = false;
195 status = syncedNotVisible;
197 else if (change[SYNCED_INDEX]) {
198 change[SYNCED_INDEX] = false;
199 status = notSyncedNotVisible;
203 change[SYNCED_INDEX] = true;
204 change[SELECTED_INDEX] = true;
205 status = syncedVisible;
207 setText(view, R.id.status, status);
208 if (change[SELECTED_INDEX] == initialState[SELECTED_INDEX] &&
209 change[SYNCED_INDEX] == initialState[SYNCED_INDEX]) {
210 mCalendarChanges.remove(id);
214 public SelectCalendarsAdapter(Context context, Cursor cursor, SelectCalendarsActivity act) {
215 super(cursor, context);
216 syncedVisible = context.getString(R.string.synced_visible);
217 syncedNotVisible = context.getString(R.string.synced_not_visible);
218 notSyncedNotVisible = context.getString(R.string.not_synced_not_visible);
220 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
221 mResolver = context.getContentResolver();
223 if (mCalendarsUpdater == null) {
224 mCalendarsUpdater = new AsyncCalendarsUpdater(mResolver);
227 mNumAccounts = cursor.getCount();
228 if(mNumAccounts == 0) {
229 //Should never happen since Calendar requires an account exist to use it.
230 Log.e(TAG, "SelectCalendarsAdapter: No accounts were returned!");
232 //Collect proper description for account types
233 mAuthDescs = AccountManager.get(context).getAuthenticatorTypes();
234 for (int i = 0; i < mAuthDescs.length; i++) {
235 mTypeToAuthDescription.put(mAuthDescs[i].type, mAuthDescs[i]);
237 mView = mActivity.getExpandableListView();
241 public void startRefreshStopDelay() {
243 mView.postDelayed(mStopRefreshing, REFRESH_DURATION);
246 public void cancelRefreshStopDelay() {
247 mView.removeCallbacks(mStopRefreshing);
251 * Write back the changes that have been made. The sync code will pick up any changes and
252 * do updates on its own.
254 public void doSaveAction() {
255 // Cancel the previous operation
256 mCalendarsUpdater.cancelOperation(mUpdateToken);
258 // This is to allow us to do queries and updates with the same AsyncQueryHandler without
259 // accidently canceling queries.
260 if(mUpdateToken < MIN_UPDATE_TOKEN) mUpdateToken = MIN_UPDATE_TOKEN;
262 Iterator<Long> changeKeys = mCalendarChanges.keySet().iterator();
263 while (changeKeys.hasNext()) {
264 long id = changeKeys.next();
265 Boolean[] change = mCalendarChanges.get(id);
266 int newSelected = change[SELECTED_INDEX] ? 1 : 0;
267 int newSynced = change[SYNCED_INDEX] ? 1 : 0;
269 Uri uri = ContentUris.withAppendedId(Calendars.CONTENT_URI, id);
270 ContentValues values = new ContentValues();
271 values.put(Calendars.SELECTED, newSelected);
272 values.put(Calendars.SYNC_EVENTS, newSynced);
273 mCalendarsUpdater.startUpdate(mUpdateToken, id, uri, values, null, null);
277 private static void setText(View view, int id, String text) {
278 if (TextUtils.isEmpty(text)) {
281 TextView textView = (TextView) view.findViewById(id);
282 textView.setText(text);
286 * Gets the label associated with a particular account type. If none found, return null.
287 * @param accountType the type of account
288 * @return a CharSequence for the label or null if one cannot be found.
290 protected CharSequence getLabelForType(final String accountType) {
291 CharSequence label = null;
292 if (mTypeToAuthDescription.containsKey(accountType)) {
294 AuthenticatorDescription desc = mTypeToAuthDescription.get(accountType);
295 Context authContext = mActivity.createPackageContext(desc.packageName, 0);
296 label = authContext.getResources().getText(desc.labelId);
297 } catch (PackageManager.NameNotFoundException e) {
298 Log.w(TAG, "No label for account type " + ", type " + accountType);
305 protected void bindChildView(View view, Context context, Cursor cursor, boolean isLastChild) {
306 String account = cursor.getString(ACCOUNT_COLUMN);
307 String status = notSyncedNotVisible;
309 int position = cursor.getPosition();
310 long id = cursor.getLong(ID_COLUMN);
312 // First see if the user has already changed the state of this calendar
313 Boolean[] initialState = mCalendarChanges.get(id);
314 // if we haven't already started making changes update the initial state in case it changed
315 if (initialState == null) {
316 initialState = new Boolean[CHANGES_SIZE];
317 initialState[SELECTED_INDEX] = cursor.getInt(SELECTED_COLUMN) == 1;
318 initialState[SYNCED_INDEX] = cursor.getInt(SYNCED_COLUMN) == 1;
319 mCalendarInitialStates.put(id, initialState);
322 if(initialState[SYNCED_INDEX]) {
323 if(initialState[SELECTED_INDEX]) {
324 status = syncedVisible;
327 status = syncedNotVisible;
332 view.findViewById(R.id.color)
333 .setBackgroundDrawable(Utils.getColorChip(cursor.getInt(COLOR_COLUMN)));
334 String name = cursor.getString(NAME_COLUMN);
335 String owner = cursor.getString(OWNER_COLUMN);
336 if (mIsDuplicateName.containsKey(name) && mIsDuplicateName.get(name) &&
337 !name.equalsIgnoreCase(owner)) {
338 name = new StringBuilder(name)
339 .append(Utils.OPEN_EMAIL_MARKER)
341 .append(Utils.CLOSE_EMAIL_MARKER)
344 setText(view, R.id.calendar, name);
345 setText(view, R.id.status, status);
346 MultiStateButton button = (MultiStateButton) view.findViewById(R.id.multiStateButton);
348 //Set up the listeners so a click on the button will change the state.
349 //The view already uses the onChildClick method in the activity.
352 button.setOnClickListener(this);
353 button.setButtonResources(SYNC_VIS_BUTTON_RES);
354 button.setState(state);
358 protected void bindGroupView(View view, Context context, Cursor cursor, boolean isExpanded) {
359 int accountColumn = cursor.getColumnIndexOrThrow(Calendars._SYNC_ACCOUNT);
360 int accountTypeColumn = cursor.getColumnIndexOrThrow(Calendars._SYNC_ACCOUNT_TYPE);
361 String account = cursor.getString(accountColumn);
362 String accountType = cursor.getString(accountTypeColumn);
363 setText(view, R.id.account, account);
364 setText(view, R.id.account_type, getLabelForType(accountType).toString());
368 protected Cursor getChildrenCursor(Cursor groupCursor) {
369 int accountColumn = groupCursor.getColumnIndexOrThrow(Calendars._SYNC_ACCOUNT);
370 String account = groupCursor.getString(accountColumn);
371 //Get all the calendars for just this account.
372 Cursor childCursor = mChildrenCursors.get(account);
373 new RefreshCalendars(groupCursor.getPosition(), account).run();
378 protected View newChildView(Context context, Cursor cursor, boolean isLastChild,
380 return mInflater.inflate(R.layout.calendar_item, parent, false);
384 protected View newGroupView(Context context, Cursor cursor, boolean isExpanded,
386 return mInflater.inflate(R.layout.account_item, parent, false);
389 private class RefreshCalendars implements Runnable {
394 public RefreshCalendars(int token, Object cookie) {
400 mCalendarsUpdater.cancelOperation(mToken);
401 // Set up a refresh for some point in the future if we haven't stopped updates yet
403 mView.postDelayed(new RefreshCalendars(mToken, mAccount), REFRESH_DELAY);
405 mCalendarsUpdater.startQuery(mToken,
407 Calendars.CONTENT_URI, PROJECTION,
409 new String[] { mAccount.toString() } /*selectionArgs*/,