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Diffstat (limited to '')
| -rw-r--r-- | js/ui/components/telepathyClient.js | 1018 |
1 files changed, 1018 insertions, 0 deletions
diff --git a/js/ui/components/telepathyClient.js b/js/ui/components/telepathyClient.js new file mode 100644 index 0000000..0c9514e --- /dev/null +++ b/js/ui/components/telepathyClient.js @@ -0,0 +1,1018 @@ +// -*- 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; |