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 EmailConversationCursor(final Context context, final Cursor cursor, final Folder folder, final long mailboxId)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_TOTAL_COUNT, mailbox.mTotalCount); 76 if (mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_BACKGROUND 77 || mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_USER 78 || mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_LIVE 79 || mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_INITIAL_SYNC_NEEDED) { 80 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, 81 UIProvider.CursorStatus.LOADING); 82 } else if (mailbox.mUiSyncStatus == EmailContent.SYNC_STATUS_NONE) { 83 if (mailbox.mSyncInterval == 0 84 && (Mailbox.isSyncableType(mailbox.mType) 85 || mailbox.mType == Mailbox.TYPE_SEARCH) 86 && !TextUtils.isEmpty(mailbox.mServerId) && 87 // TODO: There's potentially a race condition here. 88 // Consider merging this check with the auto-sync code in respond. 89 System.currentTimeMillis() - mailbox.mSyncTime 90 > AUTO_REFRESH_INTERVAL_MS) { 91 // This will be syncing momentarily 92 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, 93 UIProvider.CursorStatus.LOADING); 94 } else { 95 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, 96 UIProvider.CursorStatus.COMPLETE); 97 } 98 } else { 99 LogUtils.d(Logging.LOG_TAG, 100 "Unknown mailbox sync status" + mailbox.mUiSyncStatus); 101 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, 102 UIProvider.CursorStatus.COMPLETE); 103 } 104 } else { 105 mMailboxTypeId = -1; 106 // TODO for virtual mailboxes, we may want to do something besides just fake it 107 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_TOTAL_COUNT, 108 cursor != null ? cursor.getCount() : 0); 109 mExtras.putInt(UIProvider.CursorExtraKeys.EXTRA_STATUS, 110 UIProvider.CursorStatus.COMPLETE); 111 } 112 } 113 114 @Override getExtras()115 public Bundle getExtras() { 116 return mExtras; 117 } 118 119 @Override respond(Bundle params)120 public Bundle respond(Bundle params) { 121 final String setVisibilityKey = 122 UIProvider.ConversationCursorCommand.COMMAND_KEY_SET_VISIBILITY; 123 if (params.containsKey(setVisibilityKey)) { 124 final boolean visible = params.getBoolean(setVisibilityKey); 125 if (visible) { 126 // Mark all messages as seen 127 markContentsSeen(); 128 if (params.containsKey( 129 UIProvider.ConversationCursorCommand.COMMAND_KEY_ENTERED_FOLDER)) { 130 Mailbox mailbox = Mailbox.restoreMailboxWithId(mContext, mMailboxId); 131 if (mailbox != null) { 132 // For non-push mailboxes, if it's stale (i.e. last sync was a while 133 // ago), force a sync. 134 // TODO: Fix the check for whether we're non-push? Right now it checks 135 // whether we are participating in account sync rules. 136 if (mailbox.mSyncInterval == 0) { 137 final long timeSinceLastSync = 138 System.currentTimeMillis() - mailbox.mSyncTime; 139 if (timeSinceLastSync > AUTO_REFRESH_INTERVAL_MS) { 140 final ContentResolver resolver = mContext.getContentResolver(); 141 final Uri refreshUri = Uri.parse(EmailContent.CONTENT_URI + 142 "/" + EmailProvider.QUERY_UIREFRESH + "/" + mailbox.mId); 143 resolver.query(refreshUri, null, null, null, null); 144 } 145 } 146 } 147 } 148 } 149 } 150 // Return success 151 final Bundle response = new Bundle(2); 152 153 response.putString(setVisibilityKey, 154 UIProvider.ConversationCursorCommand.COMMAND_RESPONSE_OK); 155 156 final String rawFoldersKey = 157 UIProvider.ConversationCursorCommand.COMMAND_GET_RAW_FOLDERS; 158 if (params.containsKey(rawFoldersKey)) { 159 response.putParcelable(rawFoldersKey, mFolderList); 160 } 161 162 final String convInfoKey = 163 UIProvider.ConversationCursorCommand.COMMAND_GET_CONVERSATION_INFO; 164 if (params.containsKey(convInfoKey)) { 165 response.putParcelable(convInfoKey, generateConversationInfo()); 166 } 167 168 return response; 169 } 170 generateConversationInfo()171 private ConversationInfo generateConversationInfo() { 172 final int numMessages = getInt(getColumnIndex(ConversationColumns.NUM_MESSAGES)); 173 final ConversationInfo conversationInfo = new ConversationInfo(numMessages); 174 175 conversationInfo.firstSnippet = getString(getColumnIndex(ConversationColumns.SNIPPET)); 176 conversationInfo.lastSnippet = conversationInfo.firstSnippet; 177 conversationInfo.firstUnreadSnippet = conversationInfo.firstSnippet; 178 179 final boolean isRead = getInt(getColumnIndex(ConversationColumns.READ)) != 0; 180 final String senderString = getString(getColumnIndex(EmailContent.MessageColumns.DISPLAY_NAME)); 181 182 final String fromString = getString(getColumnIndex(EmailContent.MessageColumns.FROM_LIST)); 183 final String senderEmail; 184 185 if (fromString != null) { 186 final Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(fromString); 187 if (tokens.length > 0) { 188 senderEmail = tokens[0].getAddress(); 189 } else { 190 LogUtils.d(LogUtils.TAG, "Couldn't parse sender email address"); 191 senderEmail = fromString; 192 } 193 } else { 194 senderEmail = null; 195 } 196 197 // we *intentionally* report no participants for Draft emails so that the UI always 198 // displays the single word "Draft" as per b/13304929 199 if (mMailboxTypeId == Mailbox.TYPE_DRAFTS) { 200 // the UI displays "Draft" in the conversation list based on this count 201 conversationInfo.draftCount = 1; 202 } else if (mMailboxTypeId == Mailbox.TYPE_SENT || 203 mMailboxTypeId == Mailbox.TYPE_OUTBOX) { 204 // for conversations in outgoing mail mailboxes return a list of recipients 205 final String recipientsString = getString(getColumnIndex( 206 EmailContent.MessageColumns.TO_LIST)); 207 final Address[] recipientAddresses = Address.parse(recipientsString); 208 for (Address recipientAddress : recipientAddresses) { 209 final String name = recipientAddress.getSimplifiedName(); 210 final String email = recipientAddress.getAddress(); 211 212 // all recipients are said to have read all messages in the conversation 213 conversationInfo.addParticipant(new ParticipantInfo(name, email, 0, isRead)); 214 } 215 } else { 216 // for conversations in incoming mail mailboxes return the sender 217 conversationInfo.addParticipant(new ParticipantInfo(senderString, senderEmail, 0, 218 isRead)); 219 } 220 221 return conversationInfo; 222 } 223 224 @Override markContentsSeen()225 public void markContentsSeen() { 226 final ContentResolver resolver = mContext.getContentResolver(); 227 final ContentValues contentValues = new ContentValues(1); 228 contentValues.put(EmailContent.MessageColumns.FLAG_SEEN, true); 229 final Uri uri = EmailContent.Message.CONTENT_URI; 230 final String where = EmailContent.MessageColumns.MAILBOX_KEY + " = ? AND " + 231 EmailContent.MessageColumns.FLAG_SEEN + " != ?"; 232 final String[] selectionArgs = {String.valueOf(mMailboxId), "1"}; 233 resolver.update(uri, contentValues, where, selectionArgs); 234 } 235 236 @Override emptyFolder()237 public void emptyFolder() { 238 final ContentResolver resolver = mContext.getContentResolver(); 239 final Uri purgeUri = EmailProvider.uiUri("uipurgefolder", mMailboxId); 240 resolver.delete(purgeUri, null, null); 241 } 242 } 243