From 54b6cfa9a9e5b861a9930af873580d6dc20f773c Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 21 Oct 2008 07:00:00 -0700 Subject: Initial Contribution --- packages/SubscribedFeedsProvider/Android.mk | 11 + .../SubscribedFeedsProvider/AndroidManifest.xml | 33 ++ .../SubscribedFeedsProvider/MODULE_LICENSE_APACHE2 | 0 packages/SubscribedFeedsProvider/NOTICE | 190 +++++++++++ .../res/drawable/app_icon.png | Bin 0 -> 4001 bytes .../subscribedfeeds/SubscribedFeedsProvider.java | 372 +++++++++++++++++++++ .../subscribedfeeds/SubscribedFeedsService.java | 209 ++++++++++++ 7 files changed, 815 insertions(+) create mode 100644 packages/SubscribedFeedsProvider/Android.mk create mode 100644 packages/SubscribedFeedsProvider/AndroidManifest.xml create mode 100644 packages/SubscribedFeedsProvider/MODULE_LICENSE_APACHE2 create mode 100644 packages/SubscribedFeedsProvider/NOTICE create mode 100644 packages/SubscribedFeedsProvider/res/drawable/app_icon.png create mode 100644 packages/SubscribedFeedsProvider/src/com/android/providers/subscribedfeeds/SubscribedFeedsProvider.java create mode 100644 packages/SubscribedFeedsProvider/src/com/android/providers/subscribedfeeds/SubscribedFeedsService.java (limited to 'packages/SubscribedFeedsProvider') diff --git a/packages/SubscribedFeedsProvider/Android.mk b/packages/SubscribedFeedsProvider/Android.mk new file mode 100644 index 0000000..bed6a16 --- /dev/null +++ b/packages/SubscribedFeedsProvider/Android.mk @@ -0,0 +1,11 @@ +LOCAL_PATH:= $(call my-dir) +include $(CLEAR_VARS) + +LOCAL_MODULE_TAGS := user + +LOCAL_SRC_FILES := $(call all-subdir-java-files) + +LOCAL_PACKAGE_NAME := SubscribedFeedsProvider +LOCAL_CERTIFICATE := platform + +include $(BUILD_PACKAGE) diff --git a/packages/SubscribedFeedsProvider/AndroidManifest.xml b/packages/SubscribedFeedsProvider/AndroidManifest.xml new file mode 100644 index 0000000..94c4be5 --- /dev/null +++ b/packages/SubscribedFeedsProvider/AndroidManifest.xml @@ -0,0 +1,33 @@ + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/packages/SubscribedFeedsProvider/MODULE_LICENSE_APACHE2 b/packages/SubscribedFeedsProvider/MODULE_LICENSE_APACHE2 new file mode 100644 index 0000000..e69de29 diff --git a/packages/SubscribedFeedsProvider/NOTICE b/packages/SubscribedFeedsProvider/NOTICE new file mode 100644 index 0000000..c5b1efa --- /dev/null +++ b/packages/SubscribedFeedsProvider/NOTICE @@ -0,0 +1,190 @@ + + Copyright (c) 2005-2008, The Android Open Source Project + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. 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In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + diff --git a/packages/SubscribedFeedsProvider/res/drawable/app_icon.png b/packages/SubscribedFeedsProvider/res/drawable/app_icon.png new file mode 100644 index 0000000..13d8cdd Binary files /dev/null and b/packages/SubscribedFeedsProvider/res/drawable/app_icon.png differ diff --git a/packages/SubscribedFeedsProvider/src/com/android/providers/subscribedfeeds/SubscribedFeedsProvider.java b/packages/SubscribedFeedsProvider/src/com/android/providers/subscribedfeeds/SubscribedFeedsProvider.java new file mode 100644 index 0000000..3ae04c7 --- /dev/null +++ b/packages/SubscribedFeedsProvider/src/com/android/providers/subscribedfeeds/SubscribedFeedsProvider.java @@ -0,0 +1,372 @@ +/* +** Copyright 2006, The Android Open Source Project +** +** Licensed under the Apache License, Version 2.0 (the "License"); +** you may not use this file except in compliance with the License. +** You may obtain a copy of the License at +** +** http://www.apache.org/licenses/LICENSE-2.0 +** +** Unless required by applicable law or agreed to in writing, software +** distributed under the License is distributed on an "AS IS" BASIS, +** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +** See the License for the specific language governing permissions and +** limitations under the License. +*/ + +package com.android.providers.subscribedfeeds; + +import android.content.UriMatcher; +import android.content.*; +import android.database.Cursor; +import android.database.DatabaseUtils; +import android.database.sqlite.SQLiteDatabase; +import android.database.sqlite.SQLiteQueryBuilder; +import android.net.Uri; +import android.provider.SubscribedFeeds; +import android.text.TextUtils; +import android.util.Config; +import android.util.Log; + +import java.util.Collections; +import java.util.Map; +import java.util.HashMap; + +/** + * Manages a list of feeds for which this client is interested in receiving + * change notifications. + */ +public class SubscribedFeedsProvider extends SyncableContentProvider { + private static final String TAG = "SubscribedFeedsProvider"; + private static final String DATABASE_NAME = "subscribedfeeds.db"; + private static final int DATABASE_VERSION = 10; + + private static final int FEEDS = 1; + private static final int FEED_ID = 2; + private static final int DELETED_FEEDS = 3; + private static final int ACCOUNTS = 4; + + private static final Map ACCOUNTS_PROJECTION_MAP; + + private static final UriMatcher sURLMatcher = + new UriMatcher(UriMatcher.NO_MATCH); + + private static String sFeedsTable = "feeds"; + private static Uri sFeedsUrl = + Uri.parse("content://subscribedfeeds/feeds/"); + private static String sDeletedFeedsTable = "_deleted_feeds"; + private static Uri sDeletedFeedsUrl = + Uri.parse("content://subscribedfeeds/deleted_feeds/"); + + public SubscribedFeedsProvider() { + super(DATABASE_NAME, DATABASE_VERSION, sFeedsUrl); + } + + static { + sURLMatcher.addURI("subscribedfeeds", "feeds", FEEDS); + sURLMatcher.addURI("subscribedfeeds", "feeds/#", FEED_ID); + sURLMatcher.addURI("subscribedfeeds", "deleted_feeds", DELETED_FEEDS); + sURLMatcher.addURI("subscribedfeeds", "accounts", ACCOUNTS); + } + + @Override + protected boolean upgradeDatabase(SQLiteDatabase db, + int oldVersion, int newVersion) { + Log.w(TAG, "Upgrading database from version " + oldVersion + + " to " + newVersion + + ", which will destroy all old data"); + db.execSQL("DROP TRIGGER IF EXISTS feed_cleanup"); + db.execSQL("DROP TABLE IF EXISTS _deleted_feeds"); + db.execSQL("DROP TABLE IF EXISTS feeds"); + bootstrapDatabase(db); + return false; // this was lossy + } + + @Override + protected void bootstrapDatabase(SQLiteDatabase db) { + super.bootstrapDatabase(db); + db.execSQL("CREATE TABLE feeds (" + + "_id INTEGER PRIMARY KEY," + + "_sync_account TEXT," + // From the sync source + "_sync_id TEXT," + // From the sync source + "_sync_time TEXT," + // From the sync source + "_sync_version TEXT," + // From the sync source + "_sync_local_id INTEGER," + // Used while syncing, + // never stored persistently + "_sync_dirty INTEGER," + // if syncable, set if the record + // has local, unsynced, changes + "_sync_mark INTEGER," + // Used to filter out new rows + "feed TEXT," + + "authority TEXT," + + "service TEXT" + + ");"); + + // Trigger to completely remove feeds data when they're deleted + db.execSQL("CREATE TRIGGER feed_cleanup DELETE ON feeds " + + "WHEN old._sync_id is not null " + + "BEGIN " + + "INSERT INTO _deleted_feeds " + + "(_sync_id, _sync_account, _sync_version) " + + "VALUES (old._sync_id, old._sync_account, " + + "old._sync_version);" + + "END"); + + db.execSQL("CREATE TABLE _deleted_feeds (" + + "_sync_version TEXT," + // From the sync source + "_sync_id TEXT," + + "_sync_account TEXT," + + "_sync_mark INTEGER, " + // Used to filter out new rows + "UNIQUE(_sync_id))"); + } + + @Override + protected void onDatabaseOpened(SQLiteDatabase db) { + db.markTableSyncable("feeds", "_deleted_feeds"); + } + + @Override + protected Iterable getMergers() { + return Collections.singletonList(new FeedMerger()); + } + + @Override + public String getType(Uri url) { + int match = sURLMatcher.match(url); + switch (match) { + case FEEDS: + return SubscribedFeeds.Feeds.CONTENT_TYPE; + case FEED_ID: + return SubscribedFeeds.Feeds.CONTENT_ITEM_TYPE; + default: + throw new IllegalArgumentException("Unknown URL"); + } + } + + @Override + public Cursor queryInternal(Uri url, String[] projection, + String selection, String[] selectionArgs, String sortOrder) { + SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); + + + // Generate the body of the query + int match = sURLMatcher.match(url); + + if (Config.LOGV) Log.v(TAG, "SubscribedFeedsProvider.query: url=" + + url + ", match is " + match); + + switch (match) { + case FEEDS: + qb.setTables(sFeedsTable); + break; + case DELETED_FEEDS: + if (!isTemporary()) { + throw new UnsupportedOperationException(); + } + qb.setTables(sDeletedFeedsTable); + break; + case ACCOUNTS: + qb.setTables(sFeedsTable); + qb.setDistinct(true); + qb.setProjectionMap(ACCOUNTS_PROJECTION_MAP); + return qb.query(getDatabase(), projection, selection, selectionArgs, + SubscribedFeeds.Feeds._SYNC_ACCOUNT, null, sortOrder); + case FEED_ID: + qb.setTables(sFeedsTable); + qb.appendWhere(sFeedsTable + "._id="); + qb.appendWhere(url.getPathSegments().get(1)); + break; + default: + throw new IllegalArgumentException("Unknown URL " + url); + } + + // run the query + return qb.query(getDatabase(), projection, selection, selectionArgs, + null, null, sortOrder); + } + + @Override + public Uri insertInternal(Uri url, ContentValues initialValues) { + final SQLiteDatabase db = getDatabase(); + Uri resultUri = null; + long rowID; + + int match = sURLMatcher.match(url); + switch (match) { + case FEEDS: + ContentValues values = new ContentValues(initialValues); + values.put(SubscribedFeeds.Feeds._SYNC_DIRTY, 1); + rowID = db.insert(sFeedsTable, "feed", values); + if (rowID > 0) { + resultUri = Uri.parse( + "content://subscribedfeeds/feeds/" + rowID); + } + break; + + case DELETED_FEEDS: + if (!isTemporary()) { + throw new UnsupportedOperationException(); + } + rowID = db.insert(sDeletedFeedsTable, "_sync_id", + initialValues); + if (rowID > 0) { + resultUri = Uri.parse( + "content://subscribedfeeds/deleted_feeds/" + rowID); + } + break; + + default: + throw new UnsupportedOperationException( + "Cannot insert into URL: " + url); + } + + return resultUri; + } + + @Override + public int deleteInternal(Uri url, String userWhere, String[] whereArgs) { + final SQLiteDatabase db = getDatabase(); + String changedItemId; + + switch (sURLMatcher.match(url)) { + case FEEDS: + changedItemId = null; + break; + case FEED_ID: + changedItemId = url.getPathSegments().get(1); + break; + default: + throw new UnsupportedOperationException( + "Cannot delete that URL: " + url); + } + + String where = addIdToWhereClause(changedItemId, userWhere); + return db.delete(sFeedsTable, where, whereArgs); + } + + @Override + public int updateInternal(Uri url, ContentValues initialValues, + String userWhere, String[] whereArgs) { + final SQLiteDatabase db = getDatabase(); + ContentValues values = new ContentValues(initialValues); + values.put(SubscribedFeeds.Feeds._SYNC_DIRTY, 1); + + String changedItemId; + switch (sURLMatcher.match(url)) { + case FEEDS: + changedItemId = null; + break; + + case FEED_ID: + changedItemId = url.getPathSegments().get(1); + break; + + default: + throw new UnsupportedOperationException( + "Cannot update URL: " + url); + } + + String where = addIdToWhereClause(changedItemId, userWhere); + return db.update(sFeedsTable, values, where, whereArgs); + } + + private static String addIdToWhereClause(String id, String where) { + if (id != null) { + StringBuilder whereSb = new StringBuilder("_id="); + whereSb.append(id); + if (!TextUtils.isEmpty(where)) { + whereSb.append(" AND ("); + whereSb.append(where); + whereSb.append(')'); + } + return whereSb.toString(); + } else { + return where; + } + } + + private class FeedMerger extends AbstractTableMerger { + private ContentValues mValues = new ContentValues(); + FeedMerger() { + super(getDatabase(), sFeedsTable, sFeedsUrl, sDeletedFeedsTable, sDeletedFeedsUrl); + } + + @Override + protected void notifyChanges() { + getContext().getContentResolver().notifyChange( + sFeedsUrl, null /* data change observer */, + false /* do not sync to network */); + } + + @Override + public void insertRow(ContentProvider diffs, Cursor diffsCursor) { + final SQLiteDatabase db = getDatabase(); + // We don't ever want to add entries from the server, instead + // we want to tell the server to delete any entries we receive + // from the server that aren't already known by the client. + mValues.clear(); + DatabaseUtils.cursorStringToContentValues(diffsCursor, + SubscribedFeeds.Feeds._SYNC_ID, mValues); + DatabaseUtils.cursorStringToContentValues(diffsCursor, + SubscribedFeeds.Feeds._SYNC_ACCOUNT, mValues); + DatabaseUtils.cursorStringToContentValues(diffsCursor, + SubscribedFeeds.Feeds._SYNC_VERSION, mValues); + db.replace(mDeletedTable, SubscribedFeeds.Feeds._SYNC_ID, mValues); + } + + @Override + public void updateRow(long localPersonID, ContentProvider diffs, + Cursor diffsCursor) { + updateOrResolveRow(localPersonID, null, diffs, diffsCursor, false); + } + + @Override + public void resolveRow(long localPersonID, String syncID, + ContentProvider diffs, Cursor diffsCursor) { + updateOrResolveRow(localPersonID, syncID, diffs, diffsCursor, true); + } + + protected void updateOrResolveRow(long localPersonID, String syncID, + ContentProvider diffs, Cursor diffsCursor, boolean conflicts) { + mValues.clear(); + // only copy over the fields that the server owns + DatabaseUtils.cursorStringToContentValues(diffsCursor, + SubscribedFeeds.Feeds._SYNC_ID, mValues); + DatabaseUtils.cursorStringToContentValues(diffsCursor, + SubscribedFeeds.Feeds._SYNC_TIME, mValues); + DatabaseUtils.cursorStringToContentValues(diffsCursor, + SubscribedFeeds.Feeds._SYNC_VERSION, mValues); + mValues.put(SubscribedFeeds.Feeds._SYNC_DIRTY, conflicts ? 1 : 0); + final SQLiteDatabase db = getDatabase(); + db.update(mTable, mValues, + SubscribedFeeds.Feeds._ID + '=' + localPersonID, null); + } + + @Override + public void deleteRow(Cursor localCursor) { + // Since the client is the authority we don't actually delete + // the row when the server says it has been deleted. Instead + // we break the association with the server by clearing out + // the id, time, and version, then we mark it dirty so that + // it will be synced back to the server. + long localPersonId = localCursor.getLong(localCursor.getColumnIndex( + SubscribedFeeds.Feeds._ID)); + mValues.clear(); + mValues.put(SubscribedFeeds.Feeds._SYNC_DIRTY, 1); + mValues.put(SubscribedFeeds.Feeds._SYNC_ID, (String) null); + mValues.put(SubscribedFeeds.Feeds._SYNC_TIME, (Long) null); + mValues.put(SubscribedFeeds.Feeds._SYNC_VERSION, (String) null); + final SQLiteDatabase db = getDatabase(); + db.update(mTable, mValues, SubscribedFeeds.Feeds._ID + '=' + localPersonId, null); + localCursor.moveToNext(); + } + } + + static { + Map map; + + map = new HashMap(); + ACCOUNTS_PROJECTION_MAP = map; + map.put(SubscribedFeeds.Accounts._COUNT, "COUNT(*) AS _count"); + map.put(SubscribedFeeds.Accounts._SYNC_ACCOUNT, SubscribedFeeds.Accounts._SYNC_ACCOUNT); + } +} diff --git a/packages/SubscribedFeedsProvider/src/com/android/providers/subscribedfeeds/SubscribedFeedsService.java b/packages/SubscribedFeedsProvider/src/com/android/providers/subscribedfeeds/SubscribedFeedsService.java new file mode 100644 index 0000000..4a1de59 --- /dev/null +++ b/packages/SubscribedFeedsProvider/src/com/android/providers/subscribedfeeds/SubscribedFeedsService.java @@ -0,0 +1,209 @@ +/* +** Copyright 2006, The Android Open Source Project +** +** Licensed under the Apache License, Version 2.0 (the "License"); +** you may not use this file except in compliance with the License. +** You may obtain a copy of the License at +** +** http://www.apache.org/licenses/LICENSE-2.0 +** +** Unless required by applicable law or agreed to in writing, software +** distributed under the License is distributed on an "AS IS" BASIS, +** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +** See the License for the specific language governing permissions and +** limitations under the License. +*/ + +package com.android.providers.subscribedfeeds; + +import android.app.AlarmManager; +import android.app.PendingIntent; +import android.content.BroadcastReceiver; +import android.content.ContentResolver; +import android.content.ContentValues; +import android.content.Context; +import android.content.Intent; +import android.content.SharedPreferences; +import android.database.Cursor; +import android.net.Uri; +import android.os.Bundle; +import android.provider.SubscribedFeeds; +import android.provider.Sync; +import android.provider.SyncConstValue; +import android.text.TextUtils; +import android.util.Config; +import android.util.EventLog; +import android.util.Log; + +import java.util.ArrayList; +import java.util.Calendar; + +/** + * Handles the XMPP_CONNECTED_ACTION intent by updating all the + * subscribed feeds with the new jabber id and initiating a sync + * for all subscriptions. + * + * Handles the TICKLE_ACTION intent by finding the matching + * subscribed feed and intiating a sync for it. + */ +public class SubscribedFeedsService extends BroadcastReceiver { + + private static final String TAG = "Sync"; + + private static final String SUBSCRIBED_FEEDS_REFRESH_ACTION = + "com.android.subscribedfeeds.action.REFRESH"; + + private static final Intent sSubscribedFeedsRefreshIntent = + new Intent(SUBSCRIBED_FEEDS_REFRESH_ACTION); + + private static final String[] sAccountProjection = + new String[] {SubscribedFeeds.Accounts._SYNC_ACCOUNT}; + + /** How often to refresh the subscriptions, in milliseconds */ + private static final long SUBSCRIPTION_REFRESH_INTERVAL = 1000L * 60 * 60 * 24; // one day + + private static final String sRefreshTime = "refreshTime"; + + private static final String sSubscribedFeedsPrefs = "subscribedFeeds"; + + static final int LOG_TICKLE = 2742; + + public void onReceive(Context context, Intent intent) { + if ("android.intent.action.GTALK_DATA_MESSAGE_RECEIVED".equals( + intent.getAction())) { + boolean fromTrustedServer = intent.getBooleanExtra("from_trusted_server", false); + if (fromTrustedServer) { + String account = intent.getStringExtra("account"); + String token = intent.getStringExtra("message_token"); + + if (TextUtils.isEmpty(account) || TextUtils.isEmpty(token)) { + if (Config.LOGD) { + Log.d(TAG, "Ignoring malformed tickle -- missing account or token."); + } + return; + } + + if (Config.LOGD) { + Log.d(TAG, "Received network tickle for " + + account + " - " + token); + } + + handleTickle(context, account, token); + } else { + if (Log.isLoggable(TAG, Log.VERBOSE)) { + Log.v(TAG, "Ignoring tickle -- not from trusted server."); + } + } + + } else if (Intent.ACTION_BOOT_COMPLETED.equals( + intent.getAction())) { + if (Config.LOGD) { + Log.d(TAG, "Received boot completed action"); + } + // load the time from the shared preferences and schedule an alarm + long refreshTime = context.getSharedPreferences( + sSubscribedFeedsPrefs, + Context.MODE_WORLD_READABLE).getLong(sRefreshTime, 0); + scheduleRefresh(context, refreshTime); + } else if (sSubscribedFeedsRefreshIntent.getAction().equals( + intent.getAction())) { + if (Config.LOGD) { + Log.d(TAG, "Received sSubscribedFeedsRefreshIntent"); + } + handleRefreshAlarm(context); + } + } + + private void scheduleRefresh(Context context, long when) { + AlarmManager alarmManager = (AlarmManager) context.getSystemService( + Context.ALARM_SERVICE); + PendingIntent sender = PendingIntent.getBroadcast(context, + 0, sSubscribedFeedsRefreshIntent, 0); + alarmManager.set(AlarmManager.RTC, when, sender); + } + + private void handleTickle(Context context, String account, String feed) { + Cursor c = null; + Sync.Settings.QueryMap syncSettings = + new Sync.Settings.QueryMap(context.getContentResolver(), + false /* don't keep updated */, + null /* not needed since keep updated is false */); + final String where = SubscribedFeeds.Feeds._SYNC_ACCOUNT + "= ? " + + "and " + SubscribedFeeds.Feeds.FEED + "= ?"; + try { + c = context.getContentResolver().query(SubscribedFeeds.Feeds.CONTENT_URI, + null, where, new String[]{account, feed}, null); + if (c.getCount() == 0) { + Log.w(TAG, "received tickle for non-existent feed: " + + "account " + account + ", feed " + feed); + EventLog.writeEvent(LOG_TICKLE, "unknown"); + } + while (c.moveToNext()) { + // initiate a sync + String authority = c.getString(c.getColumnIndexOrThrow( + SubscribedFeeds.Feeds.AUTHORITY)); + EventLog.writeEvent(LOG_TICKLE, authority); + if (!syncSettings.getSyncProviderAutomatically(authority)) { + Log.d(TAG, "supressing tickle since provider " + authority + + " is configured to not sync automatically"); + continue; + } + Uri uri = Uri.parse("content://" + authority); + Bundle extras = new Bundle(); + extras.putString(ContentResolver.SYNC_EXTRAS_ACCOUNT, account); + extras.putString("feed", feed); + context.getContentResolver().startSync(uri, extras); + } + } finally { + if (c != null) c.deactivate(); + syncSettings.close(); + } + } + + /** + * Cause all the subscribed feeds to be marked dirty and their + * authtokens to be refreshed, which will result in new authtokens + * being sent to the subscription server. Then reschedules this + * event for one week in the future. + * + * @param context Context we are running within + */ + private void handleRefreshAlarm(Context context) { + // retrieve the list of accounts from the subscribed feeds + ArrayList accounts = new ArrayList(); + ContentResolver contentResolver = context.getContentResolver(); + Cursor c = contentResolver.query(SubscribedFeeds.Accounts.CONTENT_URI, + sAccountProjection, null, null, null); + while (c.moveToNext()) { + String account = c.getString(0); + if (TextUtils.isEmpty(account)) { + continue; + } + accounts.add(account); + } + c.deactivate(); + + // Clear the auth tokens for all these accounts so that we are sure + // they will still be valid until the next time we refresh them. + // TODO: add this when the google login service is done + + // mark the feeds dirty, by setting the accounts to the same value, + // which will trigger a sync. + ContentValues values = new ContentValues(); + for (String account : accounts) { + values.put(SyncConstValue._SYNC_ACCOUNT, account); + contentResolver.update(SubscribedFeeds.Feeds.CONTENT_URI, values, + SubscribedFeeds.Feeds._SYNC_ACCOUNT + "=?", new String[] {account}); + } + + // Schedule a refresh. + long refreshTime = Calendar.getInstance().getTimeInMillis() + SUBSCRIPTION_REFRESH_INTERVAL; + scheduleRefresh(context, refreshTime); + SharedPreferences preferences = context + .getSharedPreferences(sSubscribedFeedsPrefs, + Context.MODE_WORLD_READABLE); + SharedPreferences.Editor editor = preferences.edit(); + editor.putLong(sRefreshTime, refreshTime); + editor.commit(); + } +} -- cgit v1.1