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+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+/* exported Component */
+
+const { Clutter, Gio, GLib, GObject, St } = imports.gi;
+
+var Tpl = null;
+var Tp = null;
+try {
+ ({ TelepathyGLib: Tp, TelepathyLogger: Tpl } = imports.gi);
+
+ Gio._promisify(Tp.Channel.prototype, 'close_async', 'close_finish');
+ Gio._promisify(Tp.TextChannel.prototype,
+ 'send_message_async', 'send_message_finish');
+ Gio._promisify(Tp.ChannelDispatchOperation.prototype,
+ 'claim_with_async', 'claim_with_finish');
+ Gio._promisify(Tpl.LogManager.prototype,
+ 'get_filtered_events_async', 'get_filtered_events_finish');
+} catch (e) {
+ log('Telepathy is not available, chat integration will be disabled.');
+}
+
+const History = imports.misc.history;
+const Main = imports.ui.main;
+const MessageList = imports.ui.messageList;
+const MessageTray = imports.ui.messageTray;
+const Params = imports.misc.params;
+const Util = imports.misc.util;
+
+const HAVE_TP = Tp != null && Tpl != null;
+
+// See Notification.appendMessage
+var SCROLLBACK_IMMEDIATE_TIME = 3 * 60; // 3 minutes
+var SCROLLBACK_RECENT_TIME = 15 * 60; // 15 minutes
+var SCROLLBACK_RECENT_LENGTH = 20;
+var SCROLLBACK_IDLE_LENGTH = 5;
+
+// See Source._displayPendingMessages
+var SCROLLBACK_HISTORY_LINES = 10;
+
+// See Notification._onEntryChanged
+var COMPOSING_STOP_TIMEOUT = 5;
+
+var CHAT_EXPAND_LINES = 12;
+
+var NotificationDirection = {
+ SENT: 'chat-sent',
+ RECEIVED: 'chat-received',
+};
+
+const ChatMessage = HAVE_TP ? GObject.registerClass({
+ Properties: {
+ 'message-type': GObject.ParamSpec.int(
+ 'message-type', 'message-type', 'message-type',
+ GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
+ Math.min(...Object.values(Tp.ChannelTextMessageType)),
+ Math.max(...Object.values(Tp.ChannelTextMessageType)),
+ Tp.ChannelTextMessageType.NORMAL),
+ 'text': GObject.ParamSpec.string(
+ 'text', 'text', 'text',
+ GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
+ null),
+ 'sender': GObject.ParamSpec.string(
+ 'sender', 'sender', 'sender',
+ GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
+ null),
+ 'timestamp': GObject.ParamSpec.int64(
+ 'timestamp', 'timestamp', 'timestamp',
+ GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
+ 0, Number.MAX_SAFE_INTEGER, 0),
+ 'direction': GObject.ParamSpec.string(
+ 'direction', 'direction', 'direction',
+ GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
+ null),
+ },
+}, class ChatMessageClass extends GObject.Object {
+ static newFromTpMessage(tpMessage, direction) {
+ return new ChatMessage({
+ 'message-type': tpMessage.get_message_type(),
+ 'text': tpMessage.to_text()[0],
+ 'sender': tpMessage.sender.alias,
+ 'timestamp': direction === NotificationDirection.RECEIVED
+ ? tpMessage.get_received_timestamp() : tpMessage.get_sent_timestamp(),
+ direction,
+ });
+ }
+
+ static newFromTplTextEvent(tplTextEvent) {
+ let direction =
+ tplTextEvent.get_sender().get_entity_type() === Tpl.EntityType.SELF
+ ? NotificationDirection.SENT : NotificationDirection.RECEIVED;
+
+ return new ChatMessage({
+ 'message-type': tplTextEvent.get_message_type(),
+ 'text': tplTextEvent.get_message(),
+ 'sender': tplTextEvent.get_sender().get_alias(),
+ 'timestamp': tplTextEvent.get_timestamp(),
+ direction,
+ });
+ }
+}) : null;
+
+
+var TelepathyComponent = class {
+ constructor() {
+ this._client = null;
+
+ if (!HAVE_TP)
+ return; // Telepathy isn't available
+
+ this._client = new TelepathyClient();
+ }
+
+ enable() {
+ if (!this._client)
+ return;
+
+ try {
+ this._client.register();
+ } catch (e) {
+ throw new Error('Could not register Telepathy client. Error: %s'.format(e.toString()));
+ }
+
+ if (!this._client.account_manager.is_prepared(Tp.AccountManager.get_feature_quark_core()))
+ this._client.account_manager.prepare_async(null, null);
+ }
+
+ disable() {
+ if (!this._client)
+ return;
+
+ this._client.unregister();
+ }
+};
+
+var TelepathyClient = HAVE_TP ? GObject.registerClass(
+class TelepathyClient extends Tp.BaseClient {
+ _init() {
+ // channel path -> ChatSource
+ this._chatSources = {};
+ this._chatState = Tp.ChannelChatState.ACTIVE;
+
+ // account path -> AccountNotification
+ this._accountNotifications = {};
+
+ // Define features we want
+ this._accountManager = Tp.AccountManager.dup();
+ let factory = this._accountManager.get_factory();
+ factory.add_account_features([Tp.Account.get_feature_quark_connection()]);
+ factory.add_connection_features([Tp.Connection.get_feature_quark_contact_list()]);
+ factory.add_channel_features([Tp.Channel.get_feature_quark_contacts()]);
+ factory.add_contact_features([Tp.ContactFeature.ALIAS,
+ Tp.ContactFeature.AVATAR_DATA,
+ Tp.ContactFeature.PRESENCE,
+ Tp.ContactFeature.SUBSCRIPTION_STATES]);
+
+ // Set up a SimpleObserver, which will call _observeChannels whenever a
+ // channel matching its filters is detected.
+ // The second argument, recover, means _observeChannels will be run
+ // for any existing channel as well.
+ super._init({ name: 'GnomeShell',
+ account_manager: this._accountManager,
+ uniquify_name: true });
+
+ // We only care about single-user text-based chats
+ let filter = {};
+ filter[Tp.PROP_CHANNEL_CHANNEL_TYPE] = Tp.IFACE_CHANNEL_TYPE_TEXT;
+ filter[Tp.PROP_CHANNEL_TARGET_HANDLE_TYPE] = Tp.HandleType.CONTACT;
+
+ this.set_observer_recover(true);
+ this.add_observer_filter(filter);
+ this.add_approver_filter(filter);
+ this.add_handler_filter(filter);
+
+ // Allow other clients (such as Empathy) to preempt our channels if
+ // needed
+ this.set_delegated_channels_callback(
+ this._delegatedChannelsCb.bind(this));
+ }
+
+ vfunc_observe_channels(...args) {
+ let [account, conn, channels, dispatchOp_, requests_, context] = args;
+ let len = channels.length;
+ for (let i = 0; i < len; i++) {
+ let channel = channels[i];
+ let [targetHandle_, targetHandleType] = channel.get_handle();
+
+ if (channel.get_invalidated())
+ continue;
+
+ /* Only observe contact text channels */
+ if (!(channel instanceof Tp.TextChannel) ||
+ targetHandleType != Tp.HandleType.CONTACT)
+ continue;
+
+ this._createChatSource(account, conn, channel, channel.get_target_contact());
+ }
+
+ context.accept();
+ }
+
+ _createChatSource(account, conn, channel, contact) {
+ if (this._chatSources[channel.get_object_path()])
+ return;
+
+ let source = new ChatSource(account, conn, channel, contact, this);
+
+ this._chatSources[channel.get_object_path()] = source;
+ source.connect('destroy', () => {
+ delete this._chatSources[channel.get_object_path()];
+ });
+ }
+
+ vfunc_handle_channels(...args) {
+ let [account, conn, channels, requests_, userActionTime_, context] = args;
+ this._handlingChannels(account, conn, channels, true);
+ context.accept();
+ }
+
+ _handlingChannels(account, conn, channels, notify) {
+ let len = channels.length;
+ for (let i = 0; i < len; i++) {
+ let channel = channels[i];
+
+ // We can only handle text channel, so close any other channel
+ if (!(channel instanceof Tp.TextChannel)) {
+ channel.close_async();
+ continue;
+ }
+
+ if (channel.get_invalidated())
+ continue;
+
+ // 'notify' will be true when coming from an actual HandleChannels
+ // call, and not when from a successful Claim call. The point is
+ // we don't want to notify for a channel we just claimed which
+ // has no new messages (for example, a new channel which only has
+ // a delivery notification). We rely on _displayPendingMessages()
+ // and _messageReceived() to notify for new messages.
+
+ // But we should still notify from HandleChannels because the
+ // Telepathy spec states that handlers must foreground channels
+ // in HandleChannels calls which are already being handled.
+
+ if (notify && this.is_handling_channel(channel)) {
+ // We are already handling the channel, display the source
+ let source = this._chatSources[channel.get_object_path()];
+ if (source)
+ source.showNotification();
+ }
+ }
+ }
+
+ vfunc_add_dispatch_operation(...args) {
+ let [account, conn, channels, dispatchOp, context] = args;
+ let channel = channels[0];
+ let chanType = channel.get_channel_type();
+
+ if (channel.get_invalidated()) {
+ context.fail(new Tp.Error({ code: Tp.Error.INVALID_ARGUMENT,
+ message: 'Channel is invalidated' }));
+ return;
+ }
+
+ if (chanType == Tp.IFACE_CHANNEL_TYPE_TEXT) {
+ this._approveTextChannel(account, conn, channel, dispatchOp, context);
+ } else {
+ context.fail(new Tp.Error({ code: Tp.Error.INVALID_ARGUMENT,
+ message: 'Unsupported channel type' }));
+ }
+ }
+
+ async _approveTextChannel(account, conn, channel, dispatchOp, context) {
+ let [targetHandle_, targetHandleType] = channel.get_handle();
+
+ if (targetHandleType != Tp.HandleType.CONTACT) {
+ context.fail(new Tp.Error({ code: Tp.Error.INVALID_ARGUMENT,
+ message: 'Unsupported handle type' }));
+ return;
+ }
+
+ context.accept();
+
+ // Approve private text channels right away as we are going to handle it
+ try {
+ await dispatchOp.claim_with_async(this);
+ this._handlingChannels(account, conn, [channel], false);
+ } catch (err) {
+ log('Failed to Claim channel: %s'.format(err.toString()));
+ }
+ }
+
+ _delegatedChannelsCb(_client, _channels) {
+ // Nothing to do as we don't make a distinction between observed and
+ // handled channels.
+ }
+}) : null;
+
+var ChatSource = HAVE_TP ? GObject.registerClass(
+class ChatSource extends MessageTray.Source {
+ _init(account, conn, channel, contact, client) {
+ this._account = account;
+ this._contact = contact;
+ this._client = client;
+
+ super._init(contact.get_alias());
+
+ this.isChat = true;
+ this._pendingMessages = [];
+
+ this._conn = conn;
+ this._channel = channel;
+ this._closedId = this._channel.connect('invalidated', this._channelClosed.bind(this));
+
+ this._notifyTimeoutId = 0;
+
+ this._presence = contact.get_presence_type();
+
+ this._sentId = this._channel.connect('message-sent', this._messageSent.bind(this));
+ this._receivedId = this._channel.connect('message-received', this._messageReceived.bind(this));
+ this._pendingId = this._channel.connect('pending-message-removed', this._pendingRemoved.bind(this));
+
+ this._notifyAliasId = this._contact.connect('notify::alias', this._updateAlias.bind(this));
+ this._notifyAvatarId = this._contact.connect('notify::avatar-file', this._updateAvatarIcon.bind(this));
+ this._presenceChangedId = this._contact.connect('presence-changed', this._presenceChanged.bind(this));
+
+ // Add ourselves as a source.
+ Main.messageTray.add(this);
+
+ this._getLogMessages();
+ }
+
+ _ensureNotification() {
+ if (this._notification)
+ return;
+
+ this._notification = new ChatNotification(this);
+ this._notification.connect('activated', this.open.bind(this));
+ this._notification.connect('updated', () => {
+ if (this._banner && this._banner.expanded)
+ this._ackMessages();
+ });
+ this._notification.connect('destroy', () => {
+ this._notification = null;
+ });
+ this.pushNotification(this._notification);
+ }
+
+ _createPolicy() {
+ if (this._account.protocol_name == 'irc')
+ return new MessageTray.NotificationApplicationPolicy('org.gnome.Polari');
+ return new MessageTray.NotificationApplicationPolicy('empathy');
+ }
+
+ createBanner() {
+ this._banner = new ChatNotificationBanner(this._notification);
+
+ // We ack messages when the user expands the new notification
+ let id = this._banner.connect('expanded', this._ackMessages.bind(this));
+ this._banner.connect('destroy', () => {
+ this._banner.disconnect(id);
+ this._banner = null;
+ });
+
+ return this._banner;
+ }
+
+ _updateAlias() {
+ let oldAlias = this.title;
+ let newAlias = this._contact.get_alias();
+
+ if (oldAlias == newAlias)
+ return;
+
+ this.setTitle(newAlias);
+ if (this._notification)
+ this._notification.appendAliasChange(oldAlias, newAlias);
+ }
+
+ getIcon() {
+ let file = this._contact.get_avatar_file();
+ if (file)
+ return new Gio.FileIcon({ file });
+ else
+ return new Gio.ThemedIcon({ name: 'avatar-default' });
+ }
+
+ getSecondaryIcon() {
+ let iconName;
+ let presenceType = this._contact.get_presence_type();
+
+ switch (presenceType) {
+ case Tp.ConnectionPresenceType.AVAILABLE:
+ iconName = 'user-available';
+ break;
+ case Tp.ConnectionPresenceType.BUSY:
+ iconName = 'user-busy';
+ break;
+ case Tp.ConnectionPresenceType.OFFLINE:
+ iconName = 'user-offline';
+ break;
+ case Tp.ConnectionPresenceType.HIDDEN:
+ iconName = 'user-invisible';
+ break;
+ case Tp.ConnectionPresenceType.AWAY:
+ iconName = 'user-away';
+ break;
+ case Tp.ConnectionPresenceType.EXTENDED_AWAY:
+ iconName = 'user-idle';
+ break;
+ default:
+ iconName = 'user-offline';
+ }
+ return new Gio.ThemedIcon({ name: iconName });
+ }
+
+ _updateAvatarIcon() {
+ this.iconUpdated();
+ if (this._notifiction) {
+ this._notification.update(this._notification.title,
+ this._notification.bannerBodyText,
+ { gicon: this.getIcon() });
+ }
+ }
+
+ open() {
+ Main.overview.hide();
+ Main.panel.closeCalendar();
+
+ if (this._client.is_handling_channel(this._channel)) {
+ // We are handling the channel, try to pass it to Empathy or Polari
+ // (depending on the channel type)
+ // We don't check if either app is available - mission control will
+ // fallback to something else if activation fails
+
+ let target;
+ if (this._channel.connection.protocol_name == 'irc')
+ target = 'org.freedesktop.Telepathy.Client.Polari';
+ else
+ target = 'org.freedesktop.Telepathy.Client.Empathy.Chat';
+ this._client.delegate_channels_async([this._channel], global.get_current_time(), target, null);
+ } else {
+ // We are not the handler, just ask to present the channel
+ let dbus = Tp.DBusDaemon.dup();
+ let cd = Tp.ChannelDispatcher.new(dbus);
+
+ cd.present_channel_async(this._channel, global.get_current_time(), null);
+ }
+ }
+
+ async _getLogMessages() {
+ let logManager = Tpl.LogManager.dup_singleton();
+ let entity = Tpl.Entity.new_from_tp_contact(this._contact, Tpl.EntityType.CONTACT);
+
+ const [events] = await logManager.get_filtered_events_async(
+ this._account, entity,
+ Tpl.EventTypeMask.TEXT, SCROLLBACK_HISTORY_LINES,
+ null);
+
+ let logMessages = events.map(e => ChatMessage.newFromTplTextEvent(e));
+ this._ensureNotification();
+
+ let pendingTpMessages = this._channel.get_pending_messages();
+ let pendingMessages = [];
+
+ for (let i = 0; i < pendingTpMessages.length; i++) {
+ let message = pendingTpMessages[i];
+
+ if (message.get_message_type() == Tp.ChannelTextMessageType.DELIVERY_REPORT)
+ continue;
+
+ pendingMessages.push(ChatMessage.newFromTpMessage(message,
+ NotificationDirection.RECEIVED));
+
+ this._pendingMessages.push(message);
+ }
+
+ this.countUpdated();
+
+ let showTimestamp = false;
+
+ for (let i = 0; i < logMessages.length; i++) {
+ let logMessage = logMessages[i];
+ let isPending = false;
+
+ // Skip any log messages that are also in pendingMessages
+ for (let j = 0; j < pendingMessages.length; j++) {
+ let pending = pendingMessages[j];
+ if (logMessage.timestamp == pending.timestamp && logMessage.text == pending.text) {
+ isPending = true;
+ break;
+ }
+ }
+
+ if (!isPending) {
+ showTimestamp = true;
+ this._notification.appendMessage(logMessage, true, ['chat-log-message']);
+ }
+ }
+
+ if (showTimestamp)
+ this._notification.appendTimestamp();
+
+ for (let i = 0; i < pendingMessages.length; i++)
+ this._notification.appendMessage(pendingMessages[i], true);
+
+ if (pendingMessages.length > 0)
+ this.showNotification();
+ }
+
+ destroy(reason) {
+ if (this._client.is_handling_channel(this._channel)) {
+ this._ackMessages();
+ // The chat box has been destroyed so it can't
+ // handle the channel any more.
+ this._channel.close_async();
+ } else {
+ // Don't indicate any unread messages when the notification
+ // that represents them has been destroyed.
+ this._pendingMessages = [];
+ this.countUpdated();
+ }
+
+ // Keep source alive while the channel is open
+ if (reason != MessageTray.NotificationDestroyedReason.SOURCE_CLOSED)
+ return;
+
+ if (this._destroyed)
+ return;
+
+ this._destroyed = true;
+ this._channel.disconnect(this._closedId);
+ this._channel.disconnect(this._receivedId);
+ this._channel.disconnect(this._pendingId);
+ this._channel.disconnect(this._sentId);
+
+ this._contact.disconnect(this._notifyAliasId);
+ this._contact.disconnect(this._notifyAvatarId);
+ this._contact.disconnect(this._presenceChangedId);
+
+ super.destroy(reason);
+ }
+
+ _channelClosed() {
+ this.destroy(MessageTray.NotificationDestroyedReason.SOURCE_CLOSED);
+ }
+
+ /* All messages are new messages for Telepathy sources */
+ get count() {
+ return this._pendingMessages.length;
+ }
+
+ get unseenCount() {
+ return this.count;
+ }
+
+ get countVisible() {
+ return this.count > 0;
+ }
+
+ _messageReceived(channel, message) {
+ if (message.get_message_type() == Tp.ChannelTextMessageType.DELIVERY_REPORT)
+ return;
+
+ this._ensureNotification();
+ this._pendingMessages.push(message);
+ this.countUpdated();
+
+ message = ChatMessage.newFromTpMessage(message,
+ NotificationDirection.RECEIVED);
+ this._notification.appendMessage(message);
+
+ // Wait a bit before notifying for the received message, a handler
+ // could ack it in the meantime.
+ if (this._notifyTimeoutId != 0)
+ GLib.source_remove(this._notifyTimeoutId);
+ this._notifyTimeoutId = GLib.timeout_add(GLib.PRIORITY_DEFAULT, 500,
+ this._notifyTimeout.bind(this));
+ GLib.Source.set_name_by_id(this._notifyTimeoutId, '[gnome-shell] this._notifyTimeout');
+ }
+
+ _notifyTimeout() {
+ if (this._pendingMessages.length != 0)
+ this.showNotification();
+
+ this._notifyTimeoutId = 0;
+
+ return GLib.SOURCE_REMOVE;
+ }
+
+ // This is called for both messages we send from
+ // our client and other clients as well.
+ _messageSent(channel, message, _flags, _token) {
+ this._ensureNotification();
+ message = ChatMessage.newFromTpMessage(message,
+ NotificationDirection.SENT);
+ this._notification.appendMessage(message);
+ }
+
+ showNotification() {
+ super.showNotification(this._notification);
+ }
+
+ respond(text) {
+ let type;
+ if (text.slice(0, 4) == '/me ') {
+ type = Tp.ChannelTextMessageType.ACTION;
+ text = text.slice(4);
+ } else {
+ type = Tp.ChannelTextMessageType.NORMAL;
+ }
+
+ let msg = Tp.ClientMessage.new_text(type, text);
+ this._channel.send_message_async(msg, 0);
+ }
+
+ setChatState(state) {
+ // We don't want to send COMPOSING every time a letter is typed into
+ // the entry. We send the state only when it changes. Telepathy/Empathy
+ // might change it behind our back if the user is using both
+ // gnome-shell's entry and the Empathy conversation window. We could
+ // keep track of it with the ChatStateChanged signal but it is good
+ // enough right now.
+ if (state != this._chatState) {
+ this._chatState = state;
+ this._channel.set_chat_state_async(state, null);
+ }
+ }
+
+ _presenceChanged(_contact, _presence, _status, _message) {
+ if (this._notification) {
+ this._notification.update(this._notification.title,
+ this._notification.bannerBodyText,
+ { secondaryGIcon: this.getSecondaryIcon() });
+ }
+ }
+
+ _pendingRemoved(channel, message) {
+ let idx = this._pendingMessages.indexOf(message);
+
+ if (idx >= 0) {
+ this._pendingMessages.splice(idx, 1);
+ this.countUpdated();
+ }
+
+ if (this._pendingMessages.length == 0 &&
+ this._banner && !this._banner.expanded)
+ this._banner.hide();
+ }
+
+ _ackMessages() {
+ // Don't clear our messages here, tp-glib will send a
+ // 'pending-message-removed' for each one.
+ this._channel.ack_all_pending_messages_async(null);
+ }
+}) : null;
+
+const ChatNotificationMessage = HAVE_TP ? GObject.registerClass(
+class ChatNotificationMessage extends GObject.Object {
+ _init(props = {}) {
+ super._init();
+ this.set(props);
+ }
+}) : null;
+
+var ChatNotification = HAVE_TP ? GObject.registerClass({
+ Signals: {
+ 'message-removed': { param_types: [ChatNotificationMessage.$gtype] },
+ 'message-added': { param_types: [ChatNotificationMessage.$gtype] },
+ 'timestamp-changed': { param_types: [ChatNotificationMessage.$gtype] },
+ },
+}, class ChatNotification extends MessageTray.Notification {
+ _init(source) {
+ super._init(source, source.title, null,
+ { secondaryGIcon: source.getSecondaryIcon() });
+ this.setUrgency(MessageTray.Urgency.HIGH);
+ this.setResident(true);
+
+ this.messages = [];
+ this._timestampTimeoutId = 0;
+ }
+
+ destroy(reason) {
+ if (this._timestampTimeoutId)
+ GLib.source_remove(this._timestampTimeoutId);
+ this._timestampTimeoutId = 0;
+ super.destroy(reason);
+ }
+
+ /**
+ * appendMessage:
+ * @param {Object} message: An object with the properties
+ * {string} message.text: the body of the message,
+ * {Tp.ChannelTextMessageType} message.messageType: the type
+ * {string} message.sender: the name of the sender,
+ * {number} message.timestamp: the time the message was sent
+ * {NotificationDirection} message.direction: a #NotificationDirection
+ *
+ * @param {bool} noTimestamp: Whether to add a timestamp. If %true,
+ * no timestamp will be added, regardless of the difference since
+ * the last timestamp
+ */
+ appendMessage(message, noTimestamp) {
+ let messageBody = GLib.markup_escape_text(message.text, -1);
+ let styles = [message.direction];
+
+ if (message.messageType == Tp.ChannelTextMessageType.ACTION) {
+ let senderAlias = GLib.markup_escape_text(message.sender, -1);
+ messageBody = '<i>%s</i> %s'.format(senderAlias, messageBody);
+ styles.push('chat-action');
+ }
+
+ if (message.direction == NotificationDirection.RECEIVED) {
+ this.update(this.source.title, messageBody,
+ { datetime: GLib.DateTime.new_from_unix_local(message.timestamp),
+ bannerMarkup: true });
+ }
+
+ let group = message.direction == NotificationDirection.RECEIVED
+ ? 'received' : 'sent';
+
+ this._append({ body: messageBody,
+ group,
+ styles,
+ timestamp: message.timestamp,
+ noTimestamp });
+ }
+
+ _filterMessages() {
+ if (this.messages.length < 1)
+ return;
+
+ let lastMessageTime = this.messages[0].timestamp;
+ let currentTime = Date.now() / 1000;
+
+ // Keep the scrollback from growing too long. If the most
+ // recent message (before the one we just added) is within
+ // SCROLLBACK_RECENT_TIME, we will keep
+ // SCROLLBACK_RECENT_LENGTH previous messages. Otherwise
+ // we'll keep SCROLLBACK_IDLE_LENGTH messages.
+
+ let maxLength = lastMessageTime < currentTime - SCROLLBACK_RECENT_TIME
+ ? SCROLLBACK_IDLE_LENGTH : SCROLLBACK_RECENT_LENGTH;
+
+ let filteredHistory = this.messages.filter(item => item.realMessage);
+ if (filteredHistory.length > maxLength) {
+ let lastMessageToKeep = filteredHistory[maxLength];
+ let expired = this.messages.splice(this.messages.indexOf(lastMessageToKeep));
+ for (let i = 0; i < expired.length; i++)
+ this.emit('message-removed', expired[i]);
+ }
+ }
+
+ /**
+ * _append:
+ * @param {Object} props: An object with the properties:
+ * {string} props.body: The text of the message.
+ * {string} props.group: The group of the message, one of:
+ * 'received', 'sent', 'meta'.
+ * {string[]} props.styles: Style class names for the message to have.
+ * {number} props.timestamp: The timestamp of the message.
+ * {bool} props.noTimestamp: suppress timestamp signal?
+ */
+ _append(props) {
+ let currentTime = Date.now() / 1000;
+ props = Params.parse(props, { body: null,
+ group: null,
+ styles: [],
+ timestamp: currentTime,
+ noTimestamp: false });
+ const { noTimestamp } = props;
+ delete props.noTimestamp;
+
+ // Reset the old message timeout
+ if (this._timestampTimeoutId)
+ GLib.source_remove(this._timestampTimeoutId);
+ this._timestampTimeoutId = 0;
+
+ let message = new ChatNotificationMessage({
+ realMessage: props.group !== 'meta',
+ showTimestamp: false,
+ ...props,
+ });
+
+ this.messages.unshift(message);
+ this.emit('message-added', message);
+
+ if (!noTimestamp) {
+ let timestamp = props.timestamp;
+ if (timestamp < currentTime - SCROLLBACK_IMMEDIATE_TIME) {
+ this.appendTimestamp();
+ } else {
+ // Schedule a new timestamp in SCROLLBACK_IMMEDIATE_TIME
+ // from the timestamp of the message.
+ this._timestampTimeoutId = GLib.timeout_add_seconds(
+ GLib.PRIORITY_DEFAULT,
+ SCROLLBACK_IMMEDIATE_TIME - (currentTime - timestamp),
+ this.appendTimestamp.bind(this));
+ GLib.Source.set_name_by_id(this._timestampTimeoutId, '[gnome-shell] this.appendTimestamp');
+ }
+ }
+
+ this._filterMessages();
+ }
+
+ appendTimestamp() {
+ this._timestampTimeoutId = 0;
+
+ this.messages[0].showTimestamp = true;
+ this.emit('timestamp-changed', this.messages[0]);
+
+ this._filterMessages();
+
+ return GLib.SOURCE_REMOVE;
+ }
+
+ appendAliasChange(oldAlias, newAlias) {
+ oldAlias = GLib.markup_escape_text(oldAlias, -1);
+ newAlias = GLib.markup_escape_text(newAlias, -1);
+
+ /* Translators: this is the other person changing their old IM name to their new
+ IM name. */
+ let message = '<i>' + _("%s is now known as %s").format(oldAlias, newAlias) + '</i>';
+
+ this._append({ body: message,
+ group: 'meta',
+ styles: ['chat-meta-message'] });
+
+ this._filterMessages();
+ }
+}) : null;
+
+var ChatLineBox = GObject.registerClass(
+class ChatLineBox extends St.BoxLayout {
+ vfunc_get_preferred_height(forWidth) {
+ let [, natHeight] = super.vfunc_get_preferred_height(forWidth);
+ return [natHeight, natHeight];
+ }
+});
+
+var ChatNotificationBanner = GObject.registerClass(
+class ChatNotificationBanner extends MessageTray.NotificationBanner {
+ _init(notification) {
+ super._init(notification);
+
+ this._responseEntry = new St.Entry({ style_class: 'chat-response',
+ x_expand: true,
+ can_focus: true });
+ this._responseEntry.clutter_text.connect('activate', this._onEntryActivated.bind(this));
+ this._responseEntry.clutter_text.connect('text-changed', this._onEntryChanged.bind(this));
+ this.setActionArea(this._responseEntry);
+
+ this._responseEntry.clutter_text.connect('key-focus-in', () => {
+ this.focused = true;
+ });
+ this._responseEntry.clutter_text.connect('key-focus-out', () => {
+ this.focused = false;
+ this.emit('unfocused');
+ });
+
+ this._scrollArea = new St.ScrollView({ style_class: 'chat-scrollview vfade',
+ vscrollbar_policy: St.PolicyType.AUTOMATIC,
+ hscrollbar_policy: St.PolicyType.NEVER,
+ visible: this.expanded });
+ this._contentArea = new St.BoxLayout({ style_class: 'chat-body',
+ vertical: true });
+ this._scrollArea.add_actor(this._contentArea);
+
+ this.setExpandedBody(this._scrollArea);
+ this.setExpandedLines(CHAT_EXPAND_LINES);
+
+ this._lastGroup = null;
+
+ // Keep track of the bottom position for the current adjustment and
+ // force a scroll to the bottom if things change while we were at the
+ // bottom
+ this._oldMaxScrollValue = this._scrollArea.vscroll.adjustment.value;
+ this._scrollArea.vscroll.adjustment.connect('changed', adjustment => {
+ if (adjustment.value == this._oldMaxScrollValue)
+ this.scrollTo(St.Side.BOTTOM);
+ this._oldMaxScrollValue = Math.max(adjustment.lower, adjustment.upper - adjustment.page_size);
+ });
+
+ this._inputHistory = new History.HistoryManager({ entry: this._responseEntry.clutter_text });
+
+ this._composingTimeoutId = 0;
+
+ this._messageActors = new Map();
+
+ this._messageAddedId = this.notification.connect('message-added',
+ (n, message) => {
+ this._addMessage(message);
+ });
+ this._messageRemovedId = this.notification.connect('message-removed',
+ (n, message) => {
+ let actor = this._messageActors.get(message);
+ if (this._messageActors.delete(message))
+ actor.destroy();
+ });
+ this._timestampChangedId = this.notification.connect('timestamp-changed',
+ (n, message) => {
+ this._updateTimestamp(message);
+ });
+
+ for (let i = this.notification.messages.length - 1; i >= 0; i--)
+ this._addMessage(this.notification.messages[i]);
+ }
+
+ _onDestroy() {
+ super._onDestroy();
+ this.notification.disconnect(this._messageAddedId);
+ this.notification.disconnect(this._messageRemovedId);
+ this.notification.disconnect(this._timestampChangedId);
+ }
+
+ scrollTo(side) {
+ let adjustment = this._scrollArea.vscroll.adjustment;
+ if (side == St.Side.TOP)
+ adjustment.value = adjustment.lower;
+ else if (side == St.Side.BOTTOM)
+ adjustment.value = adjustment.upper;
+ }
+
+ hide() {
+ this.emit('done-displaying');
+ }
+
+ _addMessage(message) {
+ let body = new MessageList.URLHighlighter(message.body, true, true);
+
+ let styles = message.styles;
+ for (let i = 0; i < styles.length; i++)
+ body.add_style_class_name(styles[i]);
+
+ let group = message.group;
+ if (group != this._lastGroup) {
+ this._lastGroup = group;
+ body.add_style_class_name('chat-new-group');
+ }
+
+ let lineBox = new ChatLineBox();
+ lineBox.add(body);
+ this._contentArea.add_actor(lineBox);
+ this._messageActors.set(message, lineBox);
+
+ this._updateTimestamp(message);
+ }
+
+ _updateTimestamp(message) {
+ let actor = this._messageActors.get(message);
+ if (!actor)
+ return;
+
+ while (actor.get_n_children() > 1)
+ actor.get_child_at_index(1).destroy();
+
+ if (message.showTimestamp) {
+ let lastMessageTime = message.timestamp;
+ let lastMessageDate = new Date(lastMessageTime * 1000);
+
+ let timeLabel = Util.createTimeLabel(lastMessageDate);
+ timeLabel.style_class = 'chat-meta-message';
+ timeLabel.x_expand = timeLabel.y_expand = true;
+ timeLabel.x_align = timeLabel.y_align = Clutter.ActorAlign.END;
+
+ actor.add_actor(timeLabel);
+ }
+ }
+
+ _onEntryActivated() {
+ let text = this._responseEntry.get_text();
+ if (text == '')
+ return;
+
+ this._inputHistory.addItem(text);
+
+ // Telepathy sends out the Sent signal for us.
+ // see Source._messageSent
+ this._responseEntry.set_text('');
+ this.notification.source.respond(text);
+ }
+
+ _composingStopTimeout() {
+ this._composingTimeoutId = 0;
+
+ this.notification.source.setChatState(Tp.ChannelChatState.PAUSED);
+
+ return GLib.SOURCE_REMOVE;
+ }
+
+ _onEntryChanged() {
+ let text = this._responseEntry.get_text();
+
+ // If we're typing, we want to send COMPOSING.
+ // If we empty the entry, we want to send ACTIVE.
+ // If we've stopped typing for COMPOSING_STOP_TIMEOUT
+ // seconds, we want to send PAUSED.
+
+ // Remove composing timeout.
+ if (this._composingTimeoutId > 0) {
+ GLib.source_remove(this._composingTimeoutId);
+ this._composingTimeoutId = 0;
+ }
+
+ if (text != '') {
+ this.notification.source.setChatState(Tp.ChannelChatState.COMPOSING);
+
+ this._composingTimeoutId = GLib.timeout_add_seconds(
+ GLib.PRIORITY_DEFAULT,
+ COMPOSING_STOP_TIMEOUT,
+ this._composingStopTimeout.bind(this));
+ GLib.Source.set_name_by_id(this._composingTimeoutId, '[gnome-shell] this._composingStopTimeout');
+ } else {
+ this.notification.source.setChatState(Tp.ChannelChatState.ACTIVE);
+ }
+ }
+});
+
+var Component = TelepathyComponent;