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Artyom Zorin
2016-09-21 00:18:00 +00:00
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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
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License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
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Copyright (C) <year> <name of author>
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the Free Software Foundation; either version 2 of the License, or
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
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Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
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library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

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/*
* Taskbar: A taskbar extension for the Gnome panel.
* Copyright (C) 2016 Zorin OS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* Credits:
* This file is based on code from the Dash to Dock extension by micheleg.
* Some code was also adapted from the upstream Gnome Shell source code.
*/
const Lang = imports.lang;
// simplify global signals and function injections handling
// abstract class
const BasicHandler = new Lang.Class({
Name: 'Taskbar.BasicHandler',
_init: function(){
this._storage = new Object();
},
add: function(/*unlimited 3-long array arguments*/){
// convert arguments object to array, concatenate with generic
let args = Array.concat('generic', Array.slice(arguments));
// call addWithLabel with ags as if they were passed arguments
this.addWithLabel.apply(this, args);
},
destroy: function() {
for( let label in this._storage )
this.removeWithLabel(label);
},
addWithLabel: function( label /* plus unlimited 3-long array arguments*/) {
if(this._storage[label] == undefined)
this._storage[label] = new Array();
// skip first element of the arguments
for( let i = 1; i < arguments.length; i++ ) {
this._storage[label].push( this._create(arguments[i]) );
}
},
removeWithLabel: function(label){
if(this._storage[label]) {
for( let i = 0; i < this._storage[label].length; i++ ) {
this._remove(this._storage[label][i]);
}
delete this._storage[label];
}
},
/* Virtual methods to be implemented by subclass */
// create single element to be stored in the storage structure
_create: function(item){
throw new Error('no implementation of _create in ' + this);
},
// correctly delete single element
_remove: function(item){
throw new Error('no implementation of _remove in ' + this);
}
});
// Manage global signals
const GlobalSignalsHandler = new Lang.Class({
Name: 'Taskbar.GlobalSignalsHandler',
Extends: BasicHandler,
_create: function(item) {
let object = item[0];
let event = item[1];
let callback = item[2]
let id = object.connect(event, callback);
return [object, id];
},
_remove: function(item){
item[0].disconnect(item[1]);
}
});

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/*
* Taskbar: A taskbar extension for the Gnome panel.
* Copyright (C) 2016 Zorin OS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* Credits:
* This file is based on code from the Dash to Dock extension by micheleg.
* Some code was also adapted from the upstream Gnome Shell source code.
*/
const Me = imports.misc.extensionUtils.getCurrentExtension();
const Clutter = imports.gi.Clutter;
const Convenience = Me.imports.convenience;
const Taskbar = Me.imports.taskbar;
const Lang = imports.lang;
const Main = imports.ui.main;
let appMenu;
let container;
let panel;
let panelConnectId;
let signalsHandler;
let taskbar;
function init() {
}
function enable() {
panel = Main.panel;
container = panel._leftBox;
appMenu = panel.statusArea['appMenu'];
panelConnectId = panel.actor.connect('allocate', allocate);
container.remove_child(appMenu.container);
taskbar = new Taskbar.taskbar();
Main.overview.dashIconSize = taskbar.iconSize;
container.insert_child_at_index( taskbar.actor, 2 );
// Since Gnome 3.8 dragging an app without having opened the overview before cause the attemp to
//animate a null target since some variables are not initialized when the viewSelector is created
if(Main.overview.viewSelector._activePage == null)
Main.overview.viewSelector._activePage = Main.overview.viewSelector._workspacesPage;
// sync hover after a popupmenu is closed
taskbar.connect('menu-closed', Lang.bind(this, function(){container.sync_hover();}));
signalsHandler = new Convenience.GlobalSignalsHandler();
signalsHandler.add(
// Keep dragged icon consistent in size with this dash
[
taskbar,
'icon-size-changed',
Lang.bind(this, function() {
Main.overview.dashIconSize = taskbar.iconSize;
})
],
// This duplicate the similar signal which is in owerview.js.
// Being connected and thus executed later this effectively
// overwrite any attempt to use the size of the default dash
// which given the customization is usually much smaller.
// I can't easily disconnect the original signal
[
Main.overview._controls.dash,
'icon-size-changed',
Lang.bind(this, function() {
Main.overview.dashIconSize = taskbar.iconSize;
})
]
);
}
function disable() {
signalsHandler.destroy();
container.remove_child(taskbar.actor);
container.add_child(appMenu.container);
taskbar.destroy();
panel.actor.disconnect(panelConnectId);
// reset stored icon size to the default dash
Main.overview.dashIconSize = Main.overview._controls.dash.iconSize;
appMenu = null;
container = null;
panel = null;
panelConnectId = null;
signalsHandler = null;
taskbar = null;
}
function allocate(actor, box, flags) {
let allocWidth = box.x2 - box.x1;
let allocHeight = box.y2 - box.y1;
let [leftMinWidth, leftNaturalWidth] = panel._leftBox.get_preferred_width(-1);
let [centerMinWidth, centerNaturalWidth] = panel._centerBox.get_preferred_width(-1);
let [rightMinWidth, rightNaturalWidth] = panel._rightBox.get_preferred_width(-1);
let sideWidth = allocWidth - rightNaturalWidth - centerNaturalWidth;
let childBox = new Clutter.ActorBox();
childBox.y1 = 0;
childBox.y2 = allocHeight;
if (panel.actor.get_text_direction() == Clutter.TextDirection.RTL) {
childBox.x1 = allocWidth - Math.min(Math.floor(sideWidth), leftNaturalWidth);
childBox.x2 = allocWidth;
} else {
childBox.x1 = 0;
childBox.x2 = sideWidth;
}
panel._leftBox.allocate(childBox, flags);
childBox.y1 = 0;
childBox.y2 = allocHeight;
if (panel.actor.get_text_direction() == Clutter.TextDirection.RTL) {
childBox.x1 = rightNaturalWidth;
childBox.x2 = childBox.x1 + centerNaturalWidth;
} else {
childBox.x1 = allocWidth - centerNaturalWidth - rightNaturalWidth;
childBox.x2 = childBox.x1 + centerNaturalWidth;
}
panel._centerBox.allocate(childBox, flags);
childBox.y1 = 0;
childBox.y2 = allocHeight;
if (panel.actor.get_text_direction() == Clutter.TextDirection.RTL) {
childBox.x1 = 0;
childBox.x2 = rightNaturalWidth;
} else {
childBox.x1 = allocWidth - rightNaturalWidth;
childBox.x2 = allocWidth;
}
panel._rightBox.allocate(childBox, flags);
let [cornerMinWidth, cornerWidth] = panel._leftCorner.actor.get_preferred_width(-1);
let [cornerMinHeight, cornerHeight] = panel._leftCorner.actor.get_preferred_width(-1);
childBox.x1 = 0;
childBox.x2 = cornerWidth;
childBox.y1 = allocHeight;
childBox.y2 = allocHeight + cornerHeight;
panel._leftCorner.actor.allocate(childBox, flags);
let [cornerMinWidth, cornerWidth] = panel._rightCorner.actor.get_preferred_width(-1);
let [cornerMinHeight, cornerHeight] = panel._rightCorner.actor.get_preferred_width(-1);
childBox.x1 = allocWidth - cornerWidth;
childBox.x2 = allocWidth;
childBox.y1 = allocHeight;
childBox.y2 = allocHeight + cornerHeight;
panel._rightCorner.actor.allocate(childBox, flags);
}

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{
"extension-id": "zorin-taskbar",
"uuid": "zorin-taskbar@zorinos.com",
"name": "Zorin Taskbar",
"description": "The official taskbar for Zorin OS.",
"shell-version": [ "3.18" ],
"url": "https://github.com/ZorinOS/zorin-taskbar"
}

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/*
* Taskbar: A taskbar extension for the Gnome panel.
* Copyright (C) 2016 Zorin OS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* Credits:
* This file is based on code from the Dash to Dock extension by micheleg.
* Some code was also adapted from the upstream Gnome Shell source code.
*/
const AppDisplay = imports.ui.appDisplay;
const Lang = imports.lang;
const Me = imports.misc.extensionUtils.getCurrentExtension();
const Taskbar = Me.imports.taskbar;
/**
* Extend AppIconMenu
*
* - set popup arrow side based on taskbar orientation
* - Add close windows option based on quitfromdash extension
* (https://github.com/deuill/shell-extension-quitfromdash)
*/
const taskbarSecondaryMenu = new Lang.Class({
Name: 'taskbarSecondaryMenu',
Extends: AppDisplay.AppIconMenu,
_init: function(source) {
let side = Taskbar.getPosition();
// Damm it, there has to be a proper way of doing this...
// As I can't call the parent parent constructor (?) passing the side
// parameter, I overwite what I need later
this.parent(source);
// Change the initialized side where required.
this._arrowSide = side;
this._boxPointer._arrowSide = side;
this._boxPointer._userArrowSide = side;
},
// helper function for the quit windows abilities
_closeWindowInstance: function(metaWindow) {
metaWindow.delete(global.get_current_time());
},
_redisplay: function() {
this.parent();
// quit menu
let app = this._source.app;
let count = Taskbar.getAppInterestingWindows(app).length;
if ( count > 0) {
this._appendSeparator();
let quitFromTaskbarMenuText = "";
if (count == 1)
quitFromTaskbarMenuText = _("Quit");
else
quitFromTaskbarMenuText = _("Quit") + ' ' + count + ' ' + _("Windows");
this._quitfromTaskbarMenuItem = this._appendMenuItem(quitFromTaskbarMenuText);
this._quitfromTaskbarMenuItem.connect('activate', Lang.bind(this, function() {
let app = this._source.app;
let windows = app.get_windows();
for (let i = 0; i < windows.length; i++) {
this._closeWindowInstance(windows[i])
}
}));
}
}
});

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/*
* Taskbar: A taskbar extension for the Gnome panel.
* Copyright (C) 2016 Zorin OS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#taskbarScrollview .dash-item-container > StWidget {
padding: 0;
margin: 0 8px;
}
#taskbarScrollview .app-well-app .overview-icon {
border-radius: 0;
padding: 8px;
border: none;
}
#taskbarScrollview .app-well-app-running-dot {
margin-bottom: 0;
}
#thumbnailPreviewScrollview,
#taskbarScrollview {
-st-hfade-offset: 48px;
}
.taskbarSecondaryMenu {
max-width: 400px;
}
#thumbnailPreviewList {
spacing: 0em;
padding: 0 1em;
}
#thumbnailPreviewList .popup-menu-item {
padding: 1em;
border-radius: 5px;
spacing: 0;
}
#thumbnailPreviewList .window-box {
padding: 0;
spacing: 0;
}
#thumbnailPreviewList .preview-window-title {
padding-top: 1em;
}

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/*
* Taskbar: A taskbar extension for the Gnome panel.
* Copyright (C) 2016 Zorin OS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* Credits:
* This file is based on code from the Dash to Dock extension by micheleg.
* Some code was also adapted from the upstream Gnome Shell source code.
*/
const Clutter = imports.gi.Clutter;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Main = imports.ui.main;
const Mainloop = imports.mainloop;
const PopupMenu = imports.ui.popupMenu;
const Signals = imports.signals;
const St = imports.gi.St;
const Tweener = imports.ui.tweener;
const Workspace = imports.ui.workspace;
const Me = imports.misc.extensionUtils.getCurrentExtension();
const Taskbar = Me.imports.taskbar;
let THUMBNAIL_WIDTH = 350;
let THUMBNAIL_HEIGHT = 200;
const thumbnailPreviewMenu = new Lang.Class({
Name: 'thumbnailPreviewMenu',
Extends: PopupMenu.PopupMenu,
_init: function(source) {
let side = Taskbar.getPosition();
this.parent(source.actor, 0.5, side);
// We want to keep the item hovered while the menu is up
this.blockSourceEvents = false;
this._source = source;
this._app = this._source.app;
this.shouldOpen = true;
this.shouldClose = false;
this.actor.add_style_class_name('app-well-menu');
this.actor.set_style("max-width: " + (Main.layoutManager.primaryMonitor.width - 22) + "px;");
this.actor.hide();
// Chain our visibility and lifecycle to that of the source
source.actor.connect('notify::mapped', Lang.bind(this, function () {
if (!source.actor.mapped)
this.close();
}));
source.actor.connect('destroy', Lang.bind(this, this.destroy));
Main.uiGroup.add_actor(this.actor);
source.actor.connect('enter-event', Lang.bind(this, this._onEnter));
source.actor.connect('leave-event', Lang.bind(this, this._onLeave));
this.actor.connect('enter-event', Lang.bind(this, this._onMenuEnter));
this.actor.connect('leave-event', Lang.bind(this, this._onMenuLeave));
// Change the initialized side where required.
this._arrowSide = side;
this._boxPointer._arrowSide = side;
this._boxPointer._userArrowSide = side;
this._previewBox = new thumbnailPreviewList(this._app, THUMBNAIL_HEIGHT);
this.addMenuItem(this._previewBox);
},
requestCloseMenu: function() {
// The "~0" argument makes the animation display.
this.close(~0);
},
_redisplay: function() {
this._previewBox._shownInitially = false;
this._previewBox._redisplay();
},
popup: function() {
let windows = Taskbar.getAppInterestingWindows(this._app);
if (windows.length > 0) {
this._redisplay();
this.open();
this._source.emit('sync-tooltip');
}
},
_onMenuEnter: function () {
this.shouldOpen = true;
this.shouldClose = false;
Mainloop.timeout_add(Taskbar.DASH_ITEM_HOVER_TIMEOUT, Lang.bind(this, this.hoverOpen));
},
_onMenuLeave: function () {
this.shouldOpen = false;
this.shouldClose = true;
Mainloop.timeout_add(Taskbar.DASH_ITEM_HOVER_TIMEOUT, Lang.bind(this, this.hoverClose));
},
_onEnter: function () {
this.shouldOpen = true;
this.shouldClose = false;
Mainloop.timeout_add(Taskbar.DASH_ITEM_HOVER_TIMEOUT, Lang.bind(this, this.hoverOpen));
},
_onLeave: function () {
this.shouldClose = true;
this.shouldOpen = false;
Mainloop.timeout_add(0, Lang.bind(this, this.hoverClose));
},
hoverOpen: function () {
if (this.shouldOpen && !this.isOpen) {
this.popup();
}
},
hoverClose: function () {
if (this.shouldClose) {
this.close(~0);
}
},
close: function(animate) {
if (this.isOpen)
this.emit('open-state-changed', false);
if (this._activeMenuItem)
this._activeMenuItem.setActive(false);
if (this._boxPointer.actor.visible) {
this._boxPointer.hide(animate, Lang.bind(this, function() {
this.emit('menu-closed');
}));
}
this.isOpen = false;
}
});
const thumbnailPreview = new Lang.Class({
Name: 'thumbnailPreview',
Extends: PopupMenu.PopupBaseMenuItem,
_init: function(window) {
this.window = window;
this.parent({reactive: true});
this._workId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._onResize));
this._closeButtonId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._repositionCloseButton));
this.scale = 0;
this.preview = this.getThumbnail();
this.actor.remove_child(this._ornamentLabel);
this.actor._delegate = this;
this.animatingOut = false;
this._windowBox = new St.BoxLayout({ style_class: 'window-box',
x_expand: true,
vertical: true });
this._previewBin = new St.Bin();
this._previewBin.set_size(THUMBNAIL_WIDTH, THUMBNAIL_HEIGHT);
this._closeButton = new St.Button({ style_class: 'window-close',
accessible_name: "Close window" });
this._closeButton.opacity = 0;
this._closeButton.connect('clicked', Lang.bind(this, this._closeWindow));
this.overlayGroup = new Clutter.Actor({layout_manager: new Clutter.BinLayout()});
this.overlayGroup.add_actor(this._previewBin);
this.overlayGroup.add_actor(this._closeButton);
this._title = new St.Label({ text: window.title });
this._titleBin = new St.Bin({ child: this._title,
x_align: St.Align.MIDDLE,
width: THUMBNAIL_WIDTH
});
this._titleBin.add_style_class_name("preview-window-title");
this.window.connect('notify::title', Lang.bind(this, function() {
this._title.set_text(this.window.title);
}));
this._windowBin = new St.Bin({ child: this.overlayGroup,
x_align: St.Align.MIDDLE,
width: THUMBNAIL_WIDTH,
height: THUMBNAIL_HEIGHT
});
this._windowBox.add_child(this._windowBin);
if (this.preview)
this._previewBin.set_child(this.preview);
this._windowBox.add_child(this._titleBin);
this.actor.add_child(this._windowBox);
this._queueRepositionCloseButton();
this.actor.connect('enter-event',
Lang.bind(this, this._onEnter));
this.actor.connect('leave-event',
Lang.bind(this, this._onLeave));
this.actor.connect('key-focus-in',
Lang.bind(this, this._onEnter));
this.actor.connect('key-focus-out',
Lang.bind(this, this._onLeave));
},
_onEnter: function() {
this._showCloseButton();
return Clutter.EVENT_PROPAGATE;
},
_onLeave: function() {
if (!this._previewBin.has_pointer &&
!this._closeButton.has_pointer)
this._hideCloseButton();
return Clutter.EVENT_PROPAGATE;
},
_idleToggleCloseButton: function() {
this._idleToggleCloseId = 0;
if (!this._previewBin.has_pointer &&
!this._closeButton.has_pointer)
this._hideCloseButton();
return GLib.SOURCE_REMOVE;
},
_showCloseButton: function() {
if (this._windowCanClose()) {
this._closeButton.show();
Tweener.addTween(this._closeButton,
{ opacity: 255,
time: Workspace.CLOSE_BUTTON_FADE_TIME,
transition: 'easeOutQuad' });
}
},
_windowCanClose: function() {
return this.window.can_close() &&
!this._hasAttachedDialogs();
},
_hasAttachedDialogs: function() {
// count trasient windows
let n = 0;
this.window.foreach_transient(function() {n++;});
return n > 0;
},
_hideCloseButton: function() {
Tweener.addTween(this._closeButton,
{ opacity: 0,
time: Workspace.CLOSE_BUTTON_FADE_TIME,
transition: 'easeInQuad' });
},
getThumbnail: function() {
let thumbnail = null;
let mutterWindow = this.window.get_compositor_private();
if (mutterWindow) {
let windowTexture = mutterWindow.get_texture();
let [width, height] = windowTexture.get_size();
this.scale = Math.min(1.0, THUMBNAIL_WIDTH / width, THUMBNAIL_HEIGHT / height);
thumbnail = new Clutter.Clone ({ source: windowTexture,
reactive: true,
width: width * this.scale,
height: height * this.scale });
this._resizeId = mutterWindow.meta_window.connect('size-changed',
Lang.bind(this, this._queueResize));
this._destroyId = mutterWindow.connect('destroy', Lang.bind(this, function() {
thumbnail.destroy();
this._destroyId = 0;
this.animateOutAndDestroy();
}));
}
return thumbnail;
},
_queueResize: function () {
Main.queueDeferredWork(this._workId);
},
_onResize: function() {
let [width, height] = this.preview.get_source().get_size();
this.scale = Math.min(1.0, THUMBNAIL_WIDTH / width, THUMBNAIL_HEIGHT / height);
this.preview.set_size(width * this.scale, height * this.scale);
this._queueRepositionCloseButton();
},
_queueRepositionCloseButton: function () {
Main.queueDeferredWork(this._closeButtonId);
},
_repositionCloseButton: function() {
let rect = this.window.get_compositor_private().meta_window.get_frame_rect();
let cloneWidth = Math.floor(rect.width) * this.scale;
let cloneHeight = Math.floor(rect.height) * this.scale;
let cloneX = (THUMBNAIL_WIDTH - cloneWidth) / 2 ;
let cloneY = (THUMBNAIL_HEIGHT - cloneHeight) / 2;
let buttonX;
if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL) {
buttonX = cloneX - (this._closeButton.width / 2);
buttonX = Math.max(buttonX, 0);
} else {
buttonX = cloneX + (cloneWidth - (this._closeButton.width / 2));
buttonX = Math.min(buttonX, THUMBNAIL_WIDTH - this._closeButton.width);
}
let buttonY = cloneY - (this._closeButton.height / 2);
buttonY = Math.max(buttonY, 0);
this._closeButton.set_position(Math.floor(buttonX), Math.floor(buttonY));
},
_closeWindow: function() {
this.window.delete(global.get_current_time());
},
show: function(animate) {
let fullWidth = this.actor.get_width();
this.actor.opacity = 0;
this.actor.set_width(0);
let time = animate ? Taskbar.DASH_ANIMATION_TIME : 0;
Tweener.addTween(this.actor,
{ opacity: 255,
width: fullWidth,
time: time,
transition: 'easeInOutQuad'
});
},
animateOutAndDestroy: function() {
this.animatingOut = true;
this._hideCloseButton();
Tweener.addTween(this.actor,
{ width: 0,
opacity: 0,
time: Taskbar.DASH_ANIMATION_TIME,
transition: 'easeOutQuad',
onComplete: Lang.bind(this, function() {
this.destroy();
})
});
},
activate: function() {
Main.activateWindow(this.window);
this._getTopMenu().close(~0);
}
});
const thumbnailPreviewList = new Lang.Class({
Name: 'thumbnailPreviewList',
Extends: PopupMenu.PopupMenuSection,
_init: function(app) {
this.parent();
this._ensurePreviewVisibilityTimeoutId = 0;
this.actor = new St.ScrollView({ name: 'thumbnailPreviewScrollview',
hscrollbar_policy: Gtk.PolicyType.NEVER,
vscrollbar_policy: Gtk.PolicyType.NEVER,
enable_mouse_scrolling: true });
this.actor.connect('scroll-event', Lang.bind(this, this._onScrollEvent ));
this.box.set_vertical(false);
this.box.set_name("thumbnailPreviewList");
this.actor.add_actor(this.box);
this.actor._delegate = this;
this._shownInitially = false;
this.app = app;
this._redisplayId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._redisplay));
this._scrollbarId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._showHideScrollbar));
if (this._stateChangedId > 0) {
this.app.disconnect(this._stateChangedId);
this._stateChangedId = 0;
}
this._stateChangedId = this.app.connect('windows-changed',
Lang.bind(this,
this._queueRedisplay));
},
_needsScrollbar: function() {
let topMenu = this._getTopMenu();
let [topMinWidth, topNaturalWidth] = topMenu.actor.get_preferred_width(-1);
let topThemeNode = topMenu.actor.get_theme_node();
let topMaxWidth = topThemeNode.get_max_width();
return topMaxWidth >= 0 && topNaturalWidth >= topMaxWidth;
},
_showHideScrollbar: function() {
let needsScrollbar = this._needsScrollbar();
// St.ScrollView always requests space vertically for a possible horizontal
// scrollbar if in AUTOMATIC mode. This looks bad when we *don't* need it,
// so turn off the scrollbar when that's true. Dynamic changes in whether
// we need it aren't handled properly.
this.actor.hscrollbar_policy =
needsScrollbar ? Gtk.PolicyType.AUTOMATIC : Gtk.PolicyType.NEVER;
if (needsScrollbar)
this.actor.add_style_pseudo_class('scrolled');
else
this.actor.remove_style_pseudo_class('scrolled');
},
_queueScrollbar: function () {
Main.queueDeferredWork(this._scrollbarId);
},
_queueRedisplay: function () {
Main.queueDeferredWork(this._redisplayId);
},
_onScrollEvent: function(actor, event) {
// Event coordinates are relative to the stage but can be transformed
// as the actor will only receive events within his bounds.
let stage_x, stage_y, ok, event_x, event_y, actor_w, actor_h;
[stage_x, stage_y] = event.get_coords();
[ok, event_x, event_y] = actor.transform_stage_point(stage_x, stage_y);
[actor_w, actor_h] = actor.get_size();
// If the scroll event is within a 1px margin from
// the relevant edge of the actor, let the event propagate.
if (event_y >= actor_h - 2)
return Clutter.EVENT_PROPAGATE;
// reset timeout to avid conflicts with the mousehover event
if (this._ensurePreviewVisibilityTimeoutId>0) {
Mainloop.source_remove(this._ensurePreviewVisibilityTimeoutId);
this._ensurePreviewVisibilityTimeoutId = 0;
}
// Skip to avoid double events mouse
if (event.is_pointer_emulated())
return Clutter.EVENT_STOP;
let adjustment, delta;
adjustment = this.actor.get_hscroll_bar().get_adjustment();
let increment = adjustment.step_increment;
switch ( event.get_scroll_direction() ) {
case Clutter.ScrollDirection.UP:
delta = -increment;
break;
case Clutter.ScrollDirection.DOWN:
delta = +increment;
break;
case Clutter.ScrollDirection.SMOOTH:
let [dx, dy] = event.get_scroll_delta();
delta = dy*increment;
delta += dx*increment;
break;
}
adjustment.set_value(adjustment.get_value() + delta);
return Clutter.EVENT_STOP;
},
_createPreviewItem: function(window) {
let preview = new thumbnailPreview(window);
preview.actor.connect('notify::hover', Lang.bind(this, function() {
if (preview.actor.hover){
this._ensurePreviewVisibilityTimeoutId = Mainloop.timeout_add(100, Lang.bind(this, function(){
Taskbar.ensureActorVisibleInScrollView(this.actor, preview.actor);
this._ensurePreviewVisibilityTimeoutId = 0;
return GLib.SOURCE_REMOVE;
}));
} else {
if (this._ensurePreviewVisibilityTimeoutId>0) {
Mainloop.source_remove(this._ensurePreviewVisibilityTimeoutId);
this._ensurePreviewVisibilityTimeoutId = 0;
}
}
}));
preview.actor.connect('key-focus-in',
Lang.bind(this, function(actor) {
let [x_shift, y_shift] = Taskbar.ensureActorVisibleInScrollView(this.actor, actor);
}));
return preview;
},
_redisplay: function () {
let windows = Taskbar.getAppInterestingWindows(this.app).sort(this.sortWindowsCompareFunction);
let children = this.box.get_children().filter(function(actor) {
return actor._delegate.window && actor._delegate.preview;
});
// Apps currently in the taskbar
let oldWin = children.map(function(actor) {
return actor._delegate.window;
});
// Apps supposed to be in the taskbar
let newWin = windows;
let addedItems = [];
let removedActors = [];
let newIndex = 0;
let oldIndex = 0;
while (newIndex < newWin.length || oldIndex < oldWin.length) {
// No change at oldIndex/newIndex
if (oldWin[oldIndex] == newWin[newIndex]) {
oldIndex++;
newIndex++;
continue;
}
// Window removed at oldIndex
if (oldWin[oldIndex] &&
newWin.indexOf(oldWin[oldIndex]) == -1) {
removedActors.push(children[oldIndex]);
oldIndex++;
continue;
}
// Window added at newIndex
if (newWin[newIndex] &&
oldWin.indexOf(newWin[newIndex]) == -1) {
addedItems.push({ item: this._createPreviewItem(newWin[newIndex]),
pos: newIndex });
newIndex++;
continue;
}
// Window moved
let insertHere = newWin[newIndex + 1] &&
newWin[newIndex + 1] == oldWin[oldIndex];
let alreadyRemoved = removedActors.reduce(function(result, actor) {
let removedWin = actor.window;
return result || removedWin == newWin[newIndex];
}, false);
if (insertHere || alreadyRemoved) {
addedItems.push({ item: this._createPreviewItem(newWin[newIndex]),
pos: newIndex + removedActors.length });
newIndex++;
} else {
removedActors.push(children[oldIndex]);
oldIndex++;
}
}
for (let i = 0; i < addedItems.length; i++)
this.addMenuItem(addedItems[i].item,
addedItems[i].pos);
for (let i = 0; i < removedActors.length; i++) {
let item = removedActors[i];
item._delegate.animateOutAndDestroy();
}
// Skip animations on first run when adding the initial set
// of items, to avoid all items zooming in at once
let animate = this._shownInitially;
if (!this._shownInitially)
this._shownInitially = true;
for (let i = 0; i < addedItems.length; i++) {
addedItems[i].item.show(animate);
}
this._queueScrollbar();
// Workaround for https://bugzilla.gnome.org/show_bug.cgi?id=692744
// Without it, StBoxLayout may use a stale size cache
this.box.queue_relayout();
if (windows.length < 1) {
this._getTopMenu().close(~0);
}
},
isAnimatingOut: function() {
return this.actor.get_children().reduce(function(result, actor) {
return result || actor.animatingOut;
}, false);
},
sortWindowsCompareFunction: function(windowA, windowB) {
return windowA.get_stable_sequence() > windowB.get_stable_sequence();
}
});