1 /* 2 * Copyright (C) 2014 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.email.provider; 18 19 import android.content.ContentResolver; 20 import android.content.ContentValues; 21 import android.content.Context; 22 import android.database.Cursor; 23 import android.database.CursorWrapper; 24 import android.net.Uri; 25 import android.os.Bundle; 26 import android.text.TextUtils; 27 import android.text.format.DateUtils; 28 import android.text.util.Rfc822Token; 29 import android.text.util.Rfc822Tokenizer; 30 31 import com.android.emailcommon.Logging; 32 import com.android.emailcommon.mail.Address; 33 import com.android.emailcommon.provider.EmailContent; 34 import com.android.emailcommon.provider.Mailbox; 35 import com.android.mail.browse.ConversationCursorOperationListener; 36 import com.android.mail.providers.ConversationInfo; 37 import com.android.mail.providers.Folder; 38 import com.android.mail.providers.FolderList; 39 import com.android.mail.providers.ParticipantInfo; 40 import com.android.mail.providers.UIProvider; 41 import com.android.mail.providers.UIProvider.ConversationColumns; 42 import com.android.mail.utils.LogUtils; 43 import com.google.common.collect.Lists; 44 45 /** 46 * Wrapper that handles the visibility feature (i.e. the conversation list is visible, so 47 * any pending notifications for the corresponding mailbox should be canceled). We also handle 48 * getExtras() to provide a snapshot of the mailbox's status 49 */ 50 public class EmailConversationCursor extends CursorWrapper implements 51 ConversationCursorOperationListener { 52 private final long mMailboxId; 53 private final int mMailboxTypeId; 54 private final Context mContext; 55 private final FolderList mFolderList; 56 private final Bundle mExtras = new Bundle(); 57 58 /** 59 * When showing a folder, if it's been at least this long since the last sync, 60 * force a folder refresh. 61 */ 62 private static final long AUTO_REFRESH_INTERVAL_MS = 5 * DateUtils.MINUTE_IN_MILLIS; 63 64 public EmailConversationCursor(final Context context, final Cursor cursor, 65 final Folder folder, final long mailboxId) { 66 super(cursor); 67 mMailboxId = mailboxId; 68 mContext = context; 69 mFolderList = FolderList.copyOf(Lists.newArrayList(folder)); 70 Mailbox mailbox = Mailbox.restoreMailboxWithId(context, mailboxId); 71 72 if (mailbox != null) { 73 mMailboxTypeId = mailbox.mType; 74 75 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_ERROR, 76 mailbox.mUiLastSyncResult); 77 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_TOTAL_COUNT, mailbox.mTotalCount); 78 if (mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_BACKGROUND 79 || mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_USER 80 || mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_LIVE) { 81 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, 82 UIProvider.CursorStatus.LOADING); 83 } else if (mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_NONE) { 84 if (mailbox.mSyncInterval == 0 85 && (Mailbox.isSyncableType(mailbox.mType) 86 || mailbox.mType == Mailbox.TYPE_SEARCH) 87 && !TextUtils.isEmpty(mailbox.mServerId) && 88 // TODO: There's potentially a race condition here. 89 // Consider merging this check with the auto-sync code in respond. 90 System.currentTimeMillis() - mailbox.mSyncTime 91 > AUTO_REFRESH_INTERVAL_MS) { 92 // This will be syncing momentarily 93 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, 94 UIProvider.CursorStatus.LOADING); 95 } else { 96 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, 97 UIProvider.CursorStatus.COMPLETE); 98 } 99 } else { 100 LogUtils.d(Logging.LOG_TAG, 101 "Unknown mailbox sync status" + mailbox.mUiSyncStatus); 102 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, 103 UIProvider.CursorStatus.COMPLETE); 104 } 105 } else { 106 mMailboxTypeId = -1; 107 // TODO for virtual mailboxes, we may want to do something besides just fake it 108 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_ERROR, 109 UIProvider.LastSyncResult.SUCCESS); 110 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_TOTAL_COUNT, 111 cursor != null ? cursor.getCount() : 0); 112 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, 113 UIProvider.CursorStatus.COMPLETE); 114 } 115 } 116 117 @Override 118 public Bundle getExtras() { 119 return mExtras; 120 } 121 122 @Override 123 public Bundle respond(Bundle params) { 124 final String setVisibilityKey = 125 UIProvider.ConversationCursorCommand.COMMAND_KEY_SET_VISIBILITY; 126 if (params.containsKey(setVisibilityKey)) { 127 final boolean visible = params.getBoolean(setVisibilityKey); 128 if (visible) { 129 // Mark all messages as seen 130 markContentsSeen(); 131 if (params.containsKey( 132 UIProvider.ConversationCursorCommand.COMMAND_KEY_ENTERED_FOLDER)) { 133 Mailbox mailbox = Mailbox.restoreMailboxWithId(mContext, mMailboxId); 134 if (mailbox != null) { 135 // For non-push mailboxes, if it's stale (i.e. last sync was a while 136 // ago), force a sync. 137 // TODO: Fix the check for whether we're non-push? Right now it checks 138 // whether we are participating in account sync rules. 139 if (mailbox.mSyncInterval == 0) { 140 final long timeSinceLastSync = 141 System.currentTimeMillis() - mailbox.mSyncTime; 142 if (timeSinceLastSync > AUTO_REFRESH_INTERVAL_MS) { 143 final ContentResolver resolver = mContext.getContentResolver(); 144 final Uri refreshUri = Uri.parse(EmailContent.CONTENT_URI + 145 "/" + EmailProvider.QUERY_UIREFRESH + "/" + mailbox.mId); 146 resolver.query(refreshUri, null, null, null, null); 147 } 148 } 149 } 150 } 151 } 152 } 153 // Return success 154 final Bundle response = new Bundle(2); 155 156 response.putString(setVisibilityKey, 157 UIProvider.ConversationCursorCommand.COMMAND_RESPONSE_OK); 158 159 final String rawFoldersKey = 160 UIProvider.ConversationCursorCommand.COMMAND_GET_RAW_FOLDERS; 161 if (params.containsKey(rawFoldersKey)) { 162 response.putParcelable(rawFoldersKey, mFolderList); 163 } 164 165 final String convInfoKey = 166 UIProvider.ConversationCursorCommand.COMMAND_GET_CONVERSATION_INFO; 167 if (params.containsKey(convInfoKey)) { 168 response.putParcelable(convInfoKey, generateConversationInfo()); 169 } 170 171 return response; 172 } 173 174 private ConversationInfo generateConversationInfo() { 175 final int numMessages = getInt(getColumnIndex(ConversationColumns.NUM_MESSAGES)); 176 final ConversationInfo conversationInfo = new ConversationInfo(numMessages); 177 178 conversationInfo.firstSnippet = getString(getColumnIndex(ConversationColumns.SNIPPET)); 179 conversationInfo.lastSnippet = conversationInfo.firstSnippet; 180 conversationInfo.firstUnreadSnippet = conversationInfo.firstSnippet; 181 182 final boolean isRead = getInt(getColumnIndex(ConversationColumns.READ)) != 0; 183 final String senderString = getString(getColumnIndex(EmailContent.MessageColumns.DISPLAY_NAME)); 184 185 final String fromString = getString(getColumnIndex(EmailContent.MessageColumns.FROM_LIST)); 186 final String senderEmail; 187 188 if (fromString != null) { 189 final Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(fromString); 190 if (tokens.length > 0) { 191 senderEmail = tokens[0].getAddress(); 192 } else { 193 LogUtils.d(LogUtils.TAG, "Couldn't parse sender email address"); 194 senderEmail = fromString; 195 } 196 } else { 197 senderEmail = null; 198 } 199 200 // we *intentionally* report no participants for Draft emails so that the UI always 201 // displays the single word "Draft" as per b/13304929 202 if (mMailboxTypeId == Mailbox.TYPE_DRAFTS) { 203 // the UI displays "Draft" in the conversation list based on this count 204 conversationInfo.draftCount = 1; 205 } else if (mMailboxTypeId == Mailbox.TYPE_SENT || 206 mMailboxTypeId == Mailbox.TYPE_OUTBOX) { 207 // for conversations in outgoing mail mailboxes return a list of recipients 208 final String recipientsString = getString(getColumnIndex( 209 EmailContent.MessageColumns.TO_LIST)); 210 final Address[] recipientAddresses = Address.parse(recipientsString); 211 for (Address recipientAddress : recipientAddresses) { 212 final String name = recipientAddress.getSimplifiedName(); 213 final String email = recipientAddress.getAddress(); 214 215 // all recipients are said to have read all messages in the conversation 216 conversationInfo.addParticipant(new ParticipantInfo(name, email, 0, isRead)); 217 } 218 } else { 219 // for conversations in incoming mail mailboxes return the sender 220 conversationInfo.addParticipant(new ParticipantInfo(senderString, senderEmail, 0, 221 isRead)); 222 } 223 224 return conversationInfo; 225 } 226 227 @Override 228 public void markContentsSeen() { 229 final ContentResolver resolver = mContext.getContentResolver(); 230 final ContentValues contentValues = new ContentValues(1); 231 contentValues.put(EmailContent.MessageColumns.FLAG_SEEN, true); 232 final Uri uri = EmailContent.Message.CONTENT_URI; 233 final String where = EmailContent.MessageColumns.MAILBOX_KEY + " = ? AND " + 234 EmailContent.MessageColumns.FLAG_SEEN + " != ?"; 235 final String[] selectionArgs = {String.valueOf(mMailboxId), "1"}; 236 resolver.update(uri, contentValues, where, selectionArgs); 237 } 238 239 @Override 240 public void emptyFolder() { 241 final ContentResolver resolver = mContext.getContentResolver(); 242 final Uri purgeUri = EmailProvider.uiUri("uipurgefolder", mMailboxId); 243 resolver.delete(purgeUri, null, null); 244 } 245 } 246
