gnome-shell/js/ui/messaging.js

436 lines
13 KiB
JavaScript

/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const DBus = imports.dbus;
const Lang = imports.lang;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Main = imports.ui.main;
const MessageTray = imports.ui.messageTray;
const TELEPATHY = "org.freedesktop.Telepathy.";
const CONN = TELEPATHY + "Connection";
const CHANNEL = TELEPATHY + "Channel";
const CHANNELTEXT = CHANNEL + ".Type.Text";
const ACCOUNTMANAGER = TELEPATHY + 'AccountManager';
const ClientIface = {
name: TELEPATHY + "Client",
properties: [{ name: "Interfaces",
signature: "as",
access: "read" }]
};
const ClientObserverIface = {
name: TELEPATHY + "Client.Observer",
methods: [{ name: "ObserveChannels",
inSignature: "ooa(oa{sv})oaoa{sv}",
outSignature: "" }],
properties: [{ name: "ObserverChannelFilter",
signature: "aa{sv}",
access: "read" }]
};
const ConnectionIface = {
name: CONN,
methods: [
// This is deprecated, but the alternative requires building
// another interface object...
{ name: "ListChannels",
inSignature: "",
outSignature: "a(osuu)"
}
],
signals: [
{ name: 'StatusChanged', inSignature: 'u' }
]
};
function Connection(path) {
this._init(path);
};
Connection.prototype = {
_init: function(path) {
DBus.session.proxifyObject(this, nameify(path), path);
}
};
DBus.proxifyPrototype(Connection.prototype, ConnectionIface);
const ConnectionAvatarsIface = {
name: CONN + '.Interface.Avatars',
methods: [
{ name: 'GetKnownAvatarTokens',
inSignature: 'au',
outSignature: 'a{us}'
},
{ name: 'RequestAvatars',
inSignature: 'au',
outSignature: ''
}
],
signals: [
{ name: 'AvatarRetrieved',
inSignature: 'usays'
},
{ name: 'AvatarUpdated',
inSignature: 'us'
}
]
};
function ConnectionAvatars(path) {
this._init(path);
};
ConnectionAvatars.prototype = {
_init: function(path) {
DBus.session.proxifyObject(this, nameify(path), path);
this.connect('AvatarUpdated', Lang.bind(this, this._avatarUpdated));
this.connect('AvatarRetrieved', Lang.bind(this, this._avatarRetrieved));
// _avatarData[handle] describes the icon for @handle: either
// the string 'default', meaning to use the default avatar, or
// an array of bytes containing, eg, PNG data.
this._avatarData = {};
// _icons[handle] is an array of the icon actors currently
// being displayed for @handle. These will be updated
// automatically if @handle's avatar changes.
this._icons = {};
},
_avatarUpdated: function(iface, handle, token) {
if (!this._avatarData[handle]) {
// This would only happen if we get an AvatarUpdated
// signal for an avatar while there's already a
// RequestAvatars() call pending, so we don't need to do
// anything.
return;
}
if (token == '') {
// Invoke the next async callback in the chain, telling
// it to use the default image.
this._avatarRetrieved(this, handle, token, 'default', null);
} else {
// In this case, @token is some sort of UUID. Telepathy
// expects us to cache avatar images to disk and use the
// tokens to figure out when we already have the right
// images cached. But we don't do that, we just
// ignore @token and request the image unconditionally.
this.RequestAvatarsRemote([handle]);
}
},
_createIcon: function(iconData, size) {
let textureCache = Shell.TextureCache.get_default();
if (iconData == 'default')
return textureCache.load_icon_name('stock_person', size);
else
return textureCache.load_from_data(iconData, iconData.length, size);
},
_avatarRetrieved: function(iface, handle, token, avatarData, mimeType) {
this._avatarData[handle] = avatarData;
if (!this._icons[handle])
return;
for (let i = 0; i < this._icons[handle].length; i++) {
let iconBox = this._icons[handle][i];
let size = iconBox.child.height;
iconBox.child = this._createIcon(avatarData, size);
}
},
createAvatar: function(handle, size) {
let iconBox = new St.Bin({ style_class: 'avatar-box' });
if (!this._icons[handle])
this._icons[handle] = [];
this._icons[handle].push(iconBox);
iconBox.connect('destroy', Lang.bind(this,
function() {
let i = this._icons[handle].indexOf(iconBox);
if (i != -1)
this._icons[handle].splice(i, 1);
}));
let avatarData = this._avatarData[handle];
if (avatarData) {
iconBox.child = this._createIcon(avatarData, size);
return iconBox;
}
// Fill in the default icon and then asynchronously load
// the real avatar.
iconBox.child = this._createIcon('default', size);
this.GetKnownAvatarTokensRemote([handle], Lang.bind(this,
function (tokens, excp) {
if (tokens && tokens[handle])
this.RequestAvatarsRemote([handle]);
else
this._avatarData[handle] = 'default';
}));
return iconBox;
}
};
DBus.proxifyPrototype(ConnectionAvatars.prototype, ConnectionAvatarsIface);
const ChannelIface = {
name: CHANNEL,
properties: [
{ name: "TargetHandle",
signature: "u",
access: "read" },
{ name: "TargetID",
signature: "s",
access: "read" }
],
signals: [
{ name: 'Closed', inSignature: '' }
]
};
function Channel(name, path) {
this._init(name, path);
};
Channel.prototype = {
_init: function(name, path) {
DBus.session.proxifyObject(this, name, path);
}
};
DBus.proxifyPrototype(Channel.prototype, ChannelIface);
const ChannelTextIface = {
name: CHANNELTEXT,
methods: [
{ name: 'ListPendingMessages',
inSignature: 'b',
outSignature: 'a(uuuuus)'
}
],
signals: [
{ name: 'Received', inSignature: 'uuuuus' }
]
};
function ChannelText(name, path) {
this._init(name, path);
};
ChannelText.prototype = {
_init: function(name, path) {
DBus.session.proxifyObject(this, name, path);
}
};
DBus.proxifyPrototype(ChannelText.prototype, ChannelTextIface);
const AccountManagerIface = {
name: ACCOUNTMANAGER,
properties: [{ name: "ValidAccounts",
signature: "ao",
access: "read" }]
};
function AccountManager() {
this._init();
}
AccountManager.prototype = {
_init: function() {
DBus.session.proxifyObject(this,
ACCOUNTMANAGER,
pathify(ACCOUNTMANAGER));
}
};
DBus.proxifyPrototype(AccountManager.prototype, AccountManagerIface);
const AccountIface = {
name: 'org.freedesktop.Telepathy.Account',
properties: [{ name: "Connection",
signature: "o",
access: "read" }]
};
function Account(name, path) {
this._init(name, path);
}
Account.prototype = {
_init: function(name, path) {
DBus.session.proxifyObject(this, name, path);
}
};
DBus.proxifyPrototype(Account.prototype, AccountIface);
let nameify = function(path) {
return path.substr(1).replace('/', '.', 'g');
};
let pathify = function(name) {
return '/' + name.replace('.', '/', 'g');
};
function Messaging() {
this._init();
};
Messaging.prototype = {
_init : function() {
let name = TELEPATHY + "Client.GnomeShell";
DBus.session.exportObject(pathify(name), this);
DBus.session.acquire_name(name, DBus.SINGLE_INSTANCE,
function(name){log("Acquired name " + name);},
function(name){log("Lost name " + name);});
this._conns = {};
this._channels = {};
// Acquire existing connections. (This wouldn't really be
// needed if gnome-shell was only being started at the start
// of a session, but it's very useful for making things
// continue to work after restarting the shell.)
let accountManager = new AccountManager();
accountManager.GetRemote('ValidAccounts', Lang.bind(this, this._gotValidAccounts));
},
_gotValidAccounts: function(accounts, excp) {
if (!accounts)
return;
for (let i = 0; i < accounts.length; i++) {
let account = new Account(ACCOUNTMANAGER, accounts[i]);
account.GetRemote('Connection', Lang.bind(this,
function (conn_path, excp) {
if (!conn_path || conn_path == '/')
return;
let conn = new Connection(conn_path);
conn.ListChannelsRemote(Lang.bind(this,
function(channels, excp) {
if (!channels) {
log('no channels on ' + conn.getPath() + ': ' + excp);
return;
}
for (let i = 0; i < channels.length; i++) {
let [path, channel_type, handle_type, handle] = channels[i];
if (channel_type != CHANNELTEXT)
continue;
if (this._channels[path])
continue;
let connName = nameify(conn.getPath());
let channel = new Channel(connName, path);
channel.GetAllRemote(Lang.bind(this,
function(props, excp) {
this._addChannel(conn, path,
props['TargetHandle'],
props['TargetID']);
}));
}
}));
}));
}
},
get Interfaces() {
return [TELEPATHY + "Client.Observer"];
},
get ObserverChannelFilter() {
return [
{ 'org.freedesktop.Telepathy.Channel.ChannelType': CHANNELTEXT }
];
},
ObserveChannels: function(account, conn_path, channels,
dispatch_operation, requests_satisfied,
observer_info) {
let conn = new Connection(conn_path);
let conn_name = nameify(conn_path);
for (let i = 0; i < channels.length; i++) {
let channelPath = channels[i][0];
let props = channels[i][1];
let targetHandle = props[CHANNEL + '.TargetHandle'];
let targetId = props[CHANNEL + '.TargetID'];
this._addChannel(conn, channelPath, targetHandle, targetId);
}
return [true];
},
_addChannel: function(conn, channelPath, targetHandle, targetId) {
this._channels[channelPath] = new Source(conn, channelPath, targetHandle, targetId);
}
};
DBus.conformExport(Messaging.prototype, ClientIface);
DBus.conformExport(Messaging.prototype, ClientObserverIface);
function Source(conn, channelPath, channel_props, targetId) {
this._init(conn, channelPath, channel_props, targetId);
}
Source.prototype = {
__proto__: MessageTray.Source.prototype,
_init: function(conn, channelPath, targetHandle, targetId) {
MessageTray.Source.prototype._init.call(this, targetId);
let connName = nameify(conn.getPath());
this._channel = new Channel(connName, channelPath);
this._closedId = this._channel.connect('Closed', Lang.bind(this, this._channelClosed));
this._targetHandle = targetHandle;
this._targetId = targetId;
log('channel for ' + this._targetId + ' channelPath ' + channelPath);
this._avatars = new ConnectionAvatars(conn.getPath());
this._channelText = new ChannelText(connName, channelPath);
this._receivedId = this._channelText.connect('Received', Lang.bind(this, this._receivedMessage));
this._channelText.ListPendingMessagesRemote(false, Lang.bind(this, this._gotPendingMessages));
},
createIcon: function(size) {
return this._avatars.createAvatar(this._targetHandle, size);
},
_gotPendingMessages: function(msgs, excp) {
if (!msgs)
return;
for (let i = 0; i < msgs.length; i++)
this._receivedMessage.apply(this, [this._channel].concat(msgs[i]));
},
_channelClosed: function() {
log('Channel closed ' + this._targetId);
this._channel.disconnect(this._closedId);
this._channelText.disconnect(this._receivedId);
this.destroy();
},
_receivedMessage: function(channel, id, timestamp, sender,
type, flags, text) {
log('Received: id ' + id + ', time ' + timestamp + ', sender ' + sender + ', type ' + type + ', flags ' + flags + ': ' + text);
if (!Main.messageTray.contains(this))
Main.messageTray.add(this);
this.notify(text);
}
};