/* * Copyright (C) 2014 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.email.provider; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.CursorWrapper; import android.net.Uri; import android.os.Bundle; import android.text.TextUtils; import android.text.format.DateUtils; import android.text.util.Rfc822Token; import android.text.util.Rfc822Tokenizer; import com.android.emailcommon.Logging; import com.android.emailcommon.mail.Address; import com.android.emailcommon.provider.EmailContent; import com.android.emailcommon.provider.Mailbox; import com.android.mail.browse.ConversationCursorOperationListener; import com.android.mail.providers.ConversationInfo; import com.android.mail.providers.Folder; import com.android.mail.providers.FolderList; import com.android.mail.providers.ParticipantInfo; import com.android.mail.providers.UIProvider; import com.android.mail.providers.UIProvider.ConversationColumns; import com.android.mail.utils.LogUtils; import com.google.common.collect.Lists; /** * Wrapper that handles the visibility feature (i.e. the conversation list is visible, so * any pending notifications for the corresponding mailbox should be canceled). We also handle * getExtras() to provide a snapshot of the mailbox's status */ public class EmailConversationCursor extends CursorWrapper implements ConversationCursorOperationListener { private final long mMailboxId; private final int mMailboxTypeId; private final Context mContext; private final FolderList mFolderList; private final Bundle mExtras = new Bundle(); /** * When showing a folder, if it's been at least this long since the last sync, * force a folder refresh. */ private static final long AUTO_REFRESH_INTERVAL_MS = 5 * DateUtils.MINUTE_IN_MILLIS; public EmailConversationCursor(final Context context, final Cursor cursor, final Folder folder, final long mailboxId) { super(cursor); mMailboxId = mailboxId; mContext = context; mFolderList = FolderList.copyOf(Lists.newArrayList(folder)); Mailbox mailbox = Mailbox.restoreMailboxWithId(context, mailboxId); if (mailbox != null) { mMailboxTypeId = mailbox.mType; mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_ERROR, mailbox.mUiLastSyncResult); mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_TOTAL_COUNT, mailbox.mTotalCount); if (mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_BACKGROUND || mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_USER || mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_LIVE) { mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, UIProvider.CursorStatus.LOADING); } else if (mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_NONE) { if (mailbox.mSyncInterval == 0 && (Mailbox.isSyncableType(mailbox.mType) || mailbox.mType == Mailbox.TYPE_SEARCH) && !TextUtils.isEmpty(mailbox.mServerId) && // TODO: There's potentially a race condition here. // Consider merging this check with the auto-sync code in respond. System.currentTimeMillis() - mailbox.mSyncTime > AUTO_REFRESH_INTERVAL_MS) { // This will be syncing momentarily mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, UIProvider.CursorStatus.LOADING); } else { mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, UIProvider.CursorStatus.COMPLETE); } } else { LogUtils.d(Logging.LOG_TAG, "Unknown mailbox sync status" + mailbox.mUiSyncStatus); mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, UIProvider.CursorStatus.COMPLETE); } } else { mMailboxTypeId = -1; // TODO for virtual mailboxes, we may want to do something besides just fake it mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_ERROR, UIProvider.LastSyncResult.SUCCESS); mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_TOTAL_COUNT, cursor != null ? cursor.getCount() : 0); mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, UIProvider.CursorStatus.COMPLETE); } } @Override public Bundle getExtras() { return mExtras; } @Override public Bundle respond(Bundle params) { final String setVisibilityKey = UIProvider.ConversationCursorCommand.COMMAND_KEY_SET_VISIBILITY; if (params.containsKey(setVisibilityKey)) { final boolean visible = params.getBoolean(setVisibilityKey); if (visible) { // Mark all messages as seen markContentsSeen(); if (params.containsKey( UIProvider.ConversationCursorCommand.COMMAND_KEY_ENTERED_FOLDER)) { Mailbox mailbox = Mailbox.restoreMailboxWithId(mContext, mMailboxId); if (mailbox != null) { // For non-push mailboxes, if it's stale (i.e. last sync was a while // ago), force a sync. // TODO: Fix the check for whether we're non-push? Right now it checks // whether we are participating in account sync rules. if (mailbox.mSyncInterval == 0) { final long timeSinceLastSync = System.currentTimeMillis() - mailbox.mSyncTime; if (timeSinceLastSync > AUTO_REFRESH_INTERVAL_MS) { final ContentResolver resolver = mContext.getContentResolver(); final Uri refreshUri = Uri.parse(EmailContent.CONTENT_URI + "/" + EmailProvider.QUERY_UIREFRESH + "/" + mailbox.mId); resolver.query(refreshUri, null, null, null, null); } } } } } } // Return success final Bundle response = new Bundle(2); response.putString(setVisibilityKey, UIProvider.ConversationCursorCommand.COMMAND_RESPONSE_OK); final String rawFoldersKey = UIProvider.ConversationCursorCommand.COMMAND_GET_RAW_FOLDERS; if (params.containsKey(rawFoldersKey)) { response.putParcelable(rawFoldersKey, mFolderList); } final String convInfoKey = UIProvider.ConversationCursorCommand.COMMAND_GET_CONVERSATION_INFO; if (params.containsKey(convInfoKey)) { response.putParcelable(convInfoKey, generateConversationInfo()); } return response; } private ConversationInfo generateConversationInfo() { final int numMessages = getInt(getColumnIndex(ConversationColumns.NUM_MESSAGES)); final ConversationInfo conversationInfo = new ConversationInfo(numMessages); conversationInfo.firstSnippet = getString(getColumnIndex(ConversationColumns.SNIPPET)); conversationInfo.lastSnippet = conversationInfo.firstSnippet; conversationInfo.firstUnreadSnippet = conversationInfo.firstSnippet; final boolean isRead = getInt(getColumnIndex(ConversationColumns.READ)) != 0; final String senderString = getString(getColumnIndex(EmailContent.MessageColumns.DISPLAY_NAME)); final String fromString = getString(getColumnIndex(EmailContent.MessageColumns.FROM_LIST)); final String senderEmail; if (fromString != null) { final Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(fromString); if (tokens.length > 0) { senderEmail = tokens[0].getAddress(); } else { LogUtils.d(LogUtils.TAG, "Couldn't parse sender email address"); senderEmail = fromString; } } else { senderEmail = null; } // we *intentionally* report no participants for Draft emails so that the UI always // displays the single word "Draft" as per b/13304929 if (mMailboxTypeId == Mailbox.TYPE_DRAFTS) { // the UI displays "Draft" in the conversation list based on this count conversationInfo.draftCount = 1; } else if (mMailboxTypeId == Mailbox.TYPE_SENT || mMailboxTypeId == Mailbox.TYPE_OUTBOX) { // for conversations in outgoing mail mailboxes return a list of recipients final String recipientsString = getString(getColumnIndex( EmailContent.MessageColumns.TO_LIST)); final Address[] recipientAddresses = Address.parse(recipientsString); for (Address recipientAddress : recipientAddresses) { final String name = recipientAddress.getSimplifiedName(); final String email = recipientAddress.getAddress(); // all recipients are said to have read all messages in the conversation conversationInfo.addParticipant(new ParticipantInfo(name, email, 0, isRead)); } } else { // for conversations in incoming mail mailboxes return the sender conversationInfo.addParticipant(new ParticipantInfo(senderString, senderEmail, 0, isRead)); } return conversationInfo; } @Override public void markContentsSeen() { final ContentResolver resolver = mContext.getContentResolver(); final ContentValues contentValues = new ContentValues(1); contentValues.put(EmailContent.MessageColumns.FLAG_SEEN, true); final Uri uri = EmailContent.Message.CONTENT_URI; final String where = EmailContent.MessageColumns.MAILBOX_KEY + " = ? AND " + EmailContent.MessageColumns.FLAG_SEEN + " != ?"; final String[] selectionArgs = {String.valueOf(mMailboxId), "1"}; resolver.update(uri, contentValues, where, selectionArgs); } @Override public void emptyFolder() { final ContentResolver resolver = mContext.getContentResolver(); final Uri purgeUri = EmailProvider.uiUri("uipurgefolder", mMailboxId); resolver.delete(purgeUri, null, null); } }