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workspaceThumbnail: unify restack handling

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Both WorkspacesDisplay and ThumbnailsBox need to know when windows have been
restacked. Instead of each tracking changes on their own or trying to call
each other, have the overview keep track and do the calculations, emitting
a signal with the result.

https://bugzilla.gnome.org/show_bug.cgi?id=690175
This commit is contained in:
Cosimo Cecchi 2012-12-13 11:00:30 -05:00
parent d2c6149923
commit 6c64c0873c
3 changed files with 26 additions and 16 deletions
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14
js/ui/overview.js
View File

@ -174,6 +174,8 @@ const Overview = new Lang.Class({
Main.xdndHandler.connect('drag-begin', Lang.bind(this, this._onDragBegin));
Main.xdndHandler.connect('drag-end', Lang.bind(this, this._onDragEnd));
global.screen.connect('restacked', Lang.bind(this, this._onRestacked));
this._windowSwitchTimeoutId = 0;
this._windowSwitchTimestamp = 0;
this._lastActiveWorkspaceIndex = -1;
@ -383,6 +385,18 @@ const Overview = new Lang.Class({
this._coverPane.set_size(primary.width, contentHeight);
},
_onRestacked: function() {
let stack = global.get_window_actors();
let stackIndices = {};
for (let i = 0; i < stack.length; i++) {
// Use the stable sequence for an integer to use as a hash key
stackIndices[stack[i].get_meta_window().get_stable_sequence()] = i;
}
this.emit('windows-restacked', stackIndices);
},
//// Public methods ////
beginItemDrag: function(source) {

10
js/ui/workspaceThumbnail.js
View File

@ -745,6 +745,9 @@ const ThumbnailsBox = new Lang.Class({
this._nWorkspacesNotifyId =
global.screen.connect('notify::n-workspaces',
Lang.bind(this, this._workspacesChanged));
this._syncStackingId =
Main.overview.connect('windows-restacked',
Lang.bind(this, this._syncStacking));
this._targetScale = 0;
this._scale = 0;
@ -780,6 +783,11 @@ const ThumbnailsBox = new Lang.Class({
this._nWorkspacesNotifyId = 0;
}
if (this._syncStackingId > 0) {
Main.overview.disconnect(this._syncStackingId);
this._syncStackingId = 0;
}
for (let w = 0; w < this._thumbnails.length; w++)
this._thumbnails[w].destroy();
this._thumbnails = [];
@ -854,7 +862,7 @@ const ThumbnailsBox = new Lang.Class({
this._queueUpdateStates();
},
syncStacking: function(stackIndices) {
_syncStacking: function(overview, stackIndices) {
for (let i = 0; i < this._thumbnails.length; i++)
this._thumbnails[i].syncStacking(stackIndices);
},

18
js/ui/workspacesView.js
View File

@ -577,7 +577,7 @@ const WorkspacesDisplay = new Lang.Class({
this._updateWorkspacesViews();
this._restackedNotifyId =
global.screen.connect('restacked',
Main.overview.connect('windows-restacked',
Lang.bind(this, this._onRestacked));
if (this._itemDragBeginId == 0)
@ -598,8 +598,6 @@ const WorkspacesDisplay = new Lang.Class({
if (this._windowDragEndId == 0)
this._windowDragEndId = Main.overview.connect('window-drag-end',
Lang.bind(this, this._dragEnd));
this._onRestacked();
},
zoomFromOverview: function() {
@ -615,7 +613,7 @@ const WorkspacesDisplay = new Lang.Class({
this.zoomFraction = 0;
if (this._restackedNotifyId > 0){
global.screen.disconnect(this._restackedNotifyId);
Main.overview.disconnect(this._restackedNotifyId);
this._restackedNotifyId = 0;
}
if (this._itemDragBeginId > 0) {
@ -877,19 +875,9 @@ const WorkspacesDisplay = new Lang.Class({
}
},
_onRestacked: function() {
let stack = global.get_window_actors();
let stackIndices = {};
for (let i = 0; i < stack.length; i++) {
// Use the stable sequence for an integer to use as a hash key
stackIndices[stack[i].get_meta_window().get_stable_sequence()] = i;
}
_onRestacked: function(overview, stackIndices) {
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].syncStacking(stackIndices);
this._thumbnailsBox.syncStacking(stackIndices);
},
_workspacesChanged: function() {