MessageTray: clean up source tracking

Use the new Hash.Map class, and store signal connections along with
the source and summaryItem. This allows to remove sources without destroying
them.

https://bugzilla.gnome.org/show_bug.cgi?id=685926
This commit is contained in:
Giovanni Campagna 2012-11-04 18:49:14 +01:00
parent daf8be9f78
commit b150869b51

View File

@ -18,6 +18,7 @@ const BoxPointer = imports.ui.boxpointer;
const CtrlAltTab = imports.ui.ctrlAltTab;
const GnomeSession = imports.misc.gnomeSession;
const GrabHelper = imports.ui.grabHelper;
const Hash = imports.misc.hash;
const Lightbox = imports.ui.lightbox;
const Main = imports.ui.main;
const PointerWatcher = imports.ui.pointerWatcher;
@ -1563,7 +1564,7 @@ const MessageTray = new Lang.Class({
Main.KeybindingMode.OVERVIEW,
Lang.bind(this, this._expandActiveNotification));
this._summaryItems = [];
this._sources = new Hash.Map();
this._chatSummaryItemsCount = 0;
let pointerWatcher = PointerWatcher.getPointerWatcher();
@ -1573,11 +1574,7 @@ const MessageTray = new Lang.Class({
this._trayDwellUserTime = 0;
this._sessionUpdated();
this._updateNoMessagesLabel();
},
_updateNoMessagesLabel: function() {
if (this._summaryItems.length == 0 && !this._noMessages) {
this._noMessages = new St.Label({ text: _("No Messages"),
style_class: 'no-messages-label',
x_align: Clutter.ActorAlign.CENTER,
@ -1585,10 +1582,11 @@ const MessageTray = new Lang.Class({
y_align: Clutter.ActorAlign.CENTER,
y_expand: true });
this.actor.add_actor(this._noMessages);
} else if (this._summaryItems.length > 0 && this._noMessages) {
this._noMessages.destroy();
this._noMessages = null;
}
this._updateNoMessagesLabel();
},
_updateNoMessagesLabel: function() {
this._noMessages.visible = this._sources.size() == 0;
},
_sessionUpdated: function() {
@ -1675,15 +1673,7 @@ const MessageTray = new Lang.Class({
},
contains: function(source) {
return this._getIndexOfSummaryItemForSource(source) >= 0;
},
_getIndexOfSummaryItemForSource: function(source) {
for (let i = 0; i < this._summaryItems.length; i++) {
if (this._summaryItems[i].source == source)
return i;
}
return -1;
return this._sources.has(source);
},
add: function(source) {
@ -1692,7 +1682,18 @@ const MessageTray = new Lang.Class({
return;
}
let summaryItem = new SummaryItem(source);
this._addSource(source);
},
_addSource: function(source) {
let obj = {
source: source,
summaryItem: new SummaryItem(source),
notifyId: 0,
destroyId: 0,
mutedChangedId: 0
};
let summaryItem = obj.summaryItem;
if (source.isChat) {
this._summary.insert_child_at_index(summaryItem.actor, 0);
@ -1701,11 +1702,11 @@ const MessageTray = new Lang.Class({
this._summary.insert_child_at_index(summaryItem.actor, this._chatSummaryItemsCount);
}
this._summaryItems.push(summaryItem);
this._sources.set(source, obj);
source.connect('notify', Lang.bind(this, this._onNotify));
source.connect('muted-changed', Lang.bind(this,
obj.notifyId = source.connect('notify', Lang.bind(this, this._onNotify));
obj.destroyId = source.connect('destroy', Lang.bind(this, this._onSourceDestroy));
obj.mutedChangedId = source.connect('muted-changed', Lang.bind(this,
function () {
if (source.isMuted)
this._notificationQueue = this._notificationQueue.filter(function(notification) {
@ -1724,8 +1725,6 @@ const MessageTray = new Lang.Class({
this._onSummaryItemClicked(summaryItem, 3);
}));
source.connect('destroy', Lang.bind(this, this._onSourceDestroy));
// We need to display the newly-added summary item, but if the
// caller is about to post a notification, we want to show that
// *first* and not show the summary item until after it hides.
@ -1737,22 +1736,17 @@ const MessageTray = new Lang.Class({
this._updateNoMessagesLabel();
},
getSummaryItems: function() {
return this._summaryItems;
},
_onSourceDestroy: function(source) {
let index = this._getIndexOfSummaryItemForSource(source);
if (index == -1)
return;
let summaryItemToRemove = this._summaryItems[index];
this._summaryItems.splice(index, 1);
_removeSource: function(source) {
let [, obj] = this._sources.delete(source);
let summaryItem = obj.summaryItem;
if (source.isChat)
this._chatSummaryItemsCount--;
source.disconnect(obj.notifyId);
source.disconnect(obj.destroyId);
source.disconnect(obj.mutedChangedId);
let needUpdate = false;
if (this._notification && this._notification.source == source) {
@ -1760,12 +1754,12 @@ const MessageTray = new Lang.Class({
this._notificationRemoved = true;
needUpdate = true;
}
if (this._clickedSummaryItem == summaryItemToRemove) {
if (this._clickedSummaryItem == summaryItem) {
this._setClickedSummaryItem(null);
needUpdate = true;
}
summaryItemToRemove.actor.destroy();
summaryItem.destroy();
this._updateNoMessagesLabel();
@ -1773,6 +1767,16 @@ const MessageTray = new Lang.Class({
this._updateState();
},
getSummaryItems: function() {
return this._sources.values().map(function(v) {
return v.summaryItem;
});
},
_onSourceDestroy: function(source) {
this._removeSource(source);
},
_onNotificationDestroy: function(notification) {
if (this._notification == notification && (this._notificationState == State.SHOWN || this._notificationState == State.SHOWING)) {
this._updateNotificationTimeout(0);