377 lines
14 KiB
JavaScript
377 lines
14 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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const DBus = imports.dbus;
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const GLib = imports.gi.GLib;
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const Lang = imports.lang;
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const Mainloop = imports.mainloop;
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const Shell = imports.gi.Shell;
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const Signals = imports.signals;
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const St = imports.gi.St;
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const Tp = imports.gi.TelepathyGLib;
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const Gettext = imports.gettext.domain('gnome-shell');
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const _ = Gettext.gettext;
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const Main = imports.ui.main;
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const MessageTray = imports.ui.messageTray;
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// See Notification.appendMessage
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const SCROLLBACK_IMMEDIATE_TIME = 60; // 1 minute
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const SCROLLBACK_RECENT_TIME = 15 * 60; // 15 minutes
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const SCROLLBACK_RECENT_LENGTH = 20;
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const SCROLLBACK_IDLE_LENGTH = 5;
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const NotificationDirection = {
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SENT: 'chat-sent',
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RECEIVED: 'chat-received'
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};
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let contactFeatures = [Tp.ContactFeature.ALIAS,
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Tp.ContactFeature.AVATAR_DATA,
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Tp.ContactFeature.PRESENCE];
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// This is GNOME Shell's implementation of the Telepathy 'Client'
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// interface. Specifically, the shell is a Telepathy 'Observer', which
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// lets us see messages even if they belong to another app (eg,
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// Empathy).
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function Client() {
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this._init();
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};
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Client.prototype = {
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_init : function() {
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// channel path -> Source
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this._sources = {};
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// Set up a SimpleObserver, which will call _observeChannels whenever a
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// channel matching its filters is detected.
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// The second argument, recover, means _observeChannels will be run
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// for any existing channel as well.
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let dbus = Tp.DBusDaemon.dup();
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this._observer = Tp.SimpleObserver.new(dbus, true, 'GnomeShell', true,
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Lang.bind(this, this._observeChannels));
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// We only care about single-user text-based chats
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let props = {};
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props[Tp.PROP_CHANNEL_CHANNEL_TYPE] = Tp.IFACE_CHANNEL_TYPE_TEXT;
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props[Tp.PROP_CHANNEL_TARGET_HANDLE_TYPE] = Tp.HandleType.CONTACT;
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this._observer.add_observer_filter(props);
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try {
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this._observer.register();
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} catch (e) {
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throw new Error('Couldn\'t register SimpleObserver. Error: \n' + e);
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}
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},
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_observeChannels: function(observer, account, conn, channels,
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dispatchOp, requests, context) {
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let connPath = conn.get_object_path();
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let len = channels.length;
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for (let i = 0; i < len; i++) {
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let channel = channels[i];
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let [targetHandle, targetHandleType] = channel.get_handle();
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/* Only observe contact text channels */
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if ((!(channel instanceof Tp.TextChannel)) ||
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targetHandleType != Tp.HandleType.CONTACT)
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continue;
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/* Request a TpContact */
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Shell.get_tp_contacts(conn, 1, [targetHandle],
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contactFeatures.length, contactFeatures,
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Lang.bind(this, function (connection, contacts, failed) {
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if (contacts.length < 1)
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return;
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/* We got the TpContact */
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this._createSource(account, conn, channel, contacts[0]);
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}), null);
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}
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// Allow dbus method to return
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context.accept();
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},
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_createSource: function(account, conn, channel, contact) {
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if (this._sources[channel.get_object_path()])
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return;
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let source = new Source(account, conn, channel, contact);
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this._sources[channel.get_object_path()] = source;
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source.connect('destroy', Lang.bind(this,
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function() {
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delete this._sources[channel.get_object_path()];
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}));
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}
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};
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function Source(account, conn, channel, contact) {
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this._init(account, conn, channel, contact);
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}
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Source.prototype = {
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__proto__: MessageTray.Source.prototype,
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_init: function(account, conn, channel, contact) {
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MessageTray.Source.prototype._init.call(this, channel.get_identifier());
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this.isChat = true;
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this._account = account;
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this._contact = contact;
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this._conn = conn;
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this._channel = channel;
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this._closedId = this._channel.connect('invalidated', Lang.bind(this, this._channelClosed));
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this._updateAlias();
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this._notification = new Notification(this);
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this._notification.setUrgency(MessageTray.Urgency.HIGH);
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this._presence = contact.get_presence_type();
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this._sentId = this._channel.connect('message-sent', Lang.bind(this, this._messageSent));
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this._receivedId = this._channel.connect('message-received', Lang.bind(this, this._messageReceived));
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this._setSummaryIcon(this.createNotificationIcon());
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this._notifyAliasId = this._contact.connect('notify::alias', Lang.bind(this, this._updateAlias));
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this._notifyAvatarId = this._contact.connect('notify::avatar-file', Lang.bind(this, this._updateAvatarIcon));
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this._presenceChangedId = this._contact.connect('presence-changed', Lang.bind(this, this._presenceChanged));
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this._displayPendingMessages();
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},
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_updateAlias: function() {
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this.title = this._contact.get_alias();
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},
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createNotificationIcon: function() {
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this._iconBox = new St.Bin({ style_class: 'avatar-box' });
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this._iconBox._size = this.ICON_SIZE;
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this._updateAvatarIcon();
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return this._iconBox;
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},
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_updateAvatarIcon: function() {
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let textureCache = St.TextureCache.get_default();
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let file = this._contact.get_avatar_file();
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if (file) {
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let uri = file.get_uri();
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this._iconBox.child = textureCache.load_uri_async(uri, this._iconBox._size, this._iconBox._size);
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} else {
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this._iconBox.child = new St.Icon({ icon_name: 'avatar-default',
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icon_type: St.IconType.FULLCOLOR,
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icon_size: this._iconBox._size });
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}
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},
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_notificationClicked: function(notification) {
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let props = {};
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props[Tp.PROP_CHANNEL_CHANNEL_TYPE] = Tp.IFACE_CHANNEL_TYPE_TEXT;
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[props[Tp.PROP_CHANNEL_TARGET_HANDLE], props[Tp.PROP_CHANNEL_TARGET_HANDLE_TYPE]] = this._channel.get_handle();
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let req = Tp.AccountChannelRequest.new(this._account, props, global.get_current_time());
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req.ensure_channel_async('', null, null);
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},
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_displayPendingMessages: function() {
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let msgs = this._channel.get_pending_messages();
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for (let i = 0; i < msgs.length; i++) {
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let msg = msgs[i];
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this._messageReceived(this._channel, msg);
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}
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},
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_channelClosed: function() {
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this._channel.disconnect(this._closedId);
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this._channel.disconnect(this._receivedId);
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this._channel.disconnect(this._sentId);
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this._contact.disconnect(this._notifyAliasId);
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this._contact.disconnect(this._notifyAvatarId);
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this._contact.disconnect(this._presenceChangedId);
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this.destroy();
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},
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_messageReceived: function(channel, message) {
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this._notification.appendMessage(message, NotificationDirection.RECEIVED);
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this.notify();
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},
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// This is called for both messages we send from
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// our client and other clients as well.
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_messageSent: function(channel, message, flags, token) {
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this._notification.appendMessage(message, NotificationDirection.SENT);
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},
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notify: function() {
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if (!Main.messageTray.contains(this))
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Main.messageTray.add(this);
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MessageTray.Source.prototype.notify.call(this, this._notification);
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},
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respond: function(text) {
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let msg = Tp.ClientMessage.new_text(Tp.ChannelTextMessageType.NORMAL, text);
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this._channel.send_message_async(msg, 0, null);
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},
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_presenceChanged: function (contact, presence, type, status, message) {
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let msg, shouldNotify, title;
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if (this._presence == presence)
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return;
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title = GLib.markup_escape_text(this.title, -1);
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if (presence == Tp.ConnectionPresenceType.AVAILABLE) {
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msg = _("%s is online.").format(title);
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shouldNotify = (this._presence == Tp.ConnectionPresenceType.OFFLINE);
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} else if (presence == Tp.ConnectionPresenceType.OFFLINE ||
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presence == Tp.ConnectionPresenceType.EXTENDED_AWAY) {
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presence = Tp.ConnectionPresenceType.OFFLINE;
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msg = _("%s is offline.").format(title);
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shouldNotify = (this._presence != Tp.ConnectionPresenceType.OFFLINE);
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} else if (presence == Tp.ConnectionPresenceType.AWAY) {
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msg = _("%s is away.").format(title);
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shouldNotify = false;
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} else if (presence == Tp.ConnectionPresenceType.BUSY) {
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msg = _("%s is busy.").format(title);
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shouldNotify = false;
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} else
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return;
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this._presence = presence;
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if (message)
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msg += ' <i>(' + GLib.markup_escape_text(message, -1) + ')</i>';
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this._notification.appendPresence(msg, shouldNotify);
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if (shouldNotify)
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this.notify();
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}
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};
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function Notification(source) {
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this._init(source);
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}
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Notification.prototype = {
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__proto__: MessageTray.Notification.prototype,
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_init: function(source) {
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MessageTray.Notification.prototype._init.call(this, source, source.title, null, { customContent: true });
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this.setResident(true);
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this._responseEntry = new St.Entry({ style_class: 'chat-response',
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can_focus: true });
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this._responseEntry.clutter_text.connect('activate', Lang.bind(this, this._onEntryActivated));
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this.setActionArea(this._responseEntry);
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this._history = [];
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this._timestampTimeoutId = 0;
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},
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appendMessage: function(message, direction) {
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let [text, flags] = message.to_text();
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let timestamp = message.get_received_timestamp();
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this.update(this.source.title, text, { customContent: true });
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this._append(text, direction, timestamp);
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},
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_append: function(text, style, timestamp) {
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let currentTime = (Date.now() / 1000);
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if (!timestamp)
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timestamp = currentTime;
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let lastMessageTime = -1;
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if (this._history.length > 0)
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lastMessageTime = this._history[0].time;
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// Reset the old message timeout
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if (this._timestampTimeoutId)
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Mainloop.source_remove(this._timestampTimeoutId);
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let body = this.addBody(text);
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body.add_style_class_name(style);
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this.scrollTo(St.Side.BOTTOM);
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this._history.unshift({ actor: body, time: timestamp, realMessage: true });
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if (timestamp < currentTime - SCROLLBACK_IMMEDIATE_TIME)
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this._appendTimestamp();
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else
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// Schedule a new timestamp in SCROLLBACK_IMMEDIATE_TIME
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// from the timestamp of the message.
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this._timestampTimeoutId = Mainloop.timeout_add_seconds(
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SCROLLBACK_IMMEDIATE_TIME - (currentTime - timestamp),
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Lang.bind(this, this._appendTimestamp));
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if (this._history.length > 1) {
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// Keep the scrollback from growing too long. If the most
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// recent message (before the one we just added) is within
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// SCROLLBACK_RECENT_TIME, we will keep
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// SCROLLBACK_RECENT_LENGTH previous messages. Otherwise
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// we'll keep SCROLLBACK_IDLE_LENGTH messages.
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let maxLength = (lastMessageTime < currentTime - SCROLLBACK_RECENT_TIME) ?
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SCROLLBACK_IDLE_LENGTH : SCROLLBACK_RECENT_LENGTH;
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let filteredHistory = this._history.filter(function(item) { return item.realMessage });
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if (filteredHistory.length > maxLength) {
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let lastMessageToKeep = filteredHistory[maxLength];
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let expired = this._history.splice(this._history.indexOf(lastMessageToKeep));
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for (let i = 0; i < expired.length; i++)
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expired[i].actor.destroy();
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}
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}
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},
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_appendTimestamp: function() {
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let lastMessageTime = this._history[0].time;
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let lastMessageDate = new Date(lastMessageTime * 1000);
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/* Translators: this is a time format string followed by a date.
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If applicable, replace %X with a strftime format valid for your
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locale, without seconds. */
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// xgettext:no-c-format
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let timeLabel = this.addBody(lastMessageDate.toLocaleFormat(_("Sent at %X on %A")), false, { expand: true, x_fill: false, x_align: St.Align.END });
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timeLabel.add_style_class_name('chat-meta-message');
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this._history.unshift({ actor: timeLabel, time: lastMessageTime, realMessage: false });
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this._timestampTimeoutId = 0;
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return false;
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},
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appendPresence: function(text, asTitle) {
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if (asTitle)
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this.update(text, null, { customContent: true, titleMarkup: true });
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else
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this.update(this.source.title, null, { customContent: true });
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let label = this.addBody(text, true);
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label.add_style_class_name('chat-meta-message');
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this._history.unshift({ actor: label, time: (Date.now() / 1000), realMessage: false});
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},
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_onEntryActivated: function() {
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let text = this._responseEntry.get_text();
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if (text == '')
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return;
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// Telepathy sends out the Sent signal for us.
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// see Source._messageSent
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this._responseEntry.set_text('');
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this.source.respond(text);
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}
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};
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