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myDash.js
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const Signals = imports.signals;
const Lang = imports.lang;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Mainloop = imports.mainloop;
const AppDisplay = imports.ui.appDisplay;
const AppFavorites = imports.ui.appFavorites;
const Dash = imports.ui.dash;
const DND = imports.ui.dnd;
const IconGrid = imports.ui.iconGrid;
const Main = imports.ui.main;
const PopupMenu = imports.ui.popupMenu;
const Tweener = imports.ui.tweener;
const Util = imports.misc.util;
const Workspace = imports.ui.workspace;
const Me = imports.misc.extensionUtils.getCurrentExtension();
const Convenience = Me.imports.convenience;
let DASH_ANIMATION_TIME = Dash.DASH_ANIMATION_TIME;
let DASH_ITEM_LABEL_SHOW_TIME = Dash.DASH_ITEM_LABEL_SHOW_TIME;
let DASH_ITEM_LABEL_HIDE_TIME = Dash.DASH_ITEM_LABEL_HIDE_TIME;
let DASH_ITEM_HOVER_TIMEOUT = Dash.DASH_ITEM_HOVER_TIMEOUT;
/* Return the actual position reverseing left and right in rtl */
function getPosition(settings) {
let position = settings.get_enum('dock-position');
if(Clutter.get_default_text_direction() == Clutter.TextDirection.RTL) {
if (position == St.Side.LEFT)
position = St.Side.RIGHT;
else if (position == St.Side.RIGHT)
position = St.Side.LEFT;
}
return position;
}
/**
* Extend AppIconMenu
*
* - Pass settings to the constructor
* - set popup arrow side based on dash orientation
* - Add close windows option based on quitfromdash extension
* (https://github.com/deuill/shell-extension-quitfromdash)
*/
const myAppIconMenu = new Lang.Class({
Name: 'myAppIconMenu',
Extends: AppDisplay.AppIconMenu,
_init: function(source, settings) {
let side = getPosition(settings);
// 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 = app.get_n_windows();
if ( count > 0) {
this._appendSeparator();
let quitFromDashMenuText = "";
if (count == 1)
quitFromDashMenuText = _("Quit");
else
quitFromDashMenuText = _("Quit " + count + " Windows");
this._quitfromDashMenuItem = this._appendMenuItem(quitFromDashMenuText);
this._quitfromDashMenuItem.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])
}
}));
}
}
});
/**
* Extend DashItemContainer
*
* - Pass settings to the constructor
* - set label position based on dash orientation
*
* I can't subclass the original object because of this: https://bugzilla.gnome.org/show_bug.cgi?id=688973.
* thus use this ugly pattern.
*/
// define first this function to use it in both extendShowAppsIcon and extendDashItemContainer
function ItemShowLabel() {
if (!this._labelText) {
return;
}
this.label.set_text(this._labelText);
this.label.opacity = 0;
this.label.show();
let [stageX, stageY] = this.get_transformed_position();
let node = this.label.get_theme_node();
let itemWidth = this.allocation.x2 - this.allocation.x1;
let itemHeight = this.allocation.y2 - this.allocation.y1;
let labelWidth = this.label.get_width();
let labelHeight = this.label.get_height();
let x, y, xOffset, yOffset;
let position = getPosition(this._dtdSettings);
this._isHorizontal = ( position == St.Side.TOP ||
position == St.Side.BOTTOM);
let labelOffset = node.get_length('-x-offset');
switch(position) {
case St.Side.LEFT:
yOffset = Math.floor((itemHeight - labelHeight) / 2);
y = stageY + yOffset;
xOffset = labelOffset;
x = stageX + this.get_width() + xOffset;
break;
case St.Side.RIGHT:
yOffset = Math.floor((itemHeight - labelHeight) / 2);
y = stageY + yOffset;
xOffset = labelOffset;
x = Math.round(stageX) - labelWidth - xOffset;
break;
case St.Side.TOP:
y = stageY + labelOffset + itemHeight;
xOffset = Math.floor((itemWidth - labelWidth) / 2);
x = stageX + xOffset;
break;
case St.Side.BOTTOM:
yOffset = labelOffset;
y = stageY - labelHeight - yOffset;
xOffset = Math.floor((itemWidth - labelWidth) / 2);
x = stageX + xOffset;
break;
}
// keep the label inside the screen border
// Only needed fot the x coordinate.
// Leave a few pixel gap
let gap = 5;
let monitor = Main.layoutManager.findMonitorForActor(this);
if ( x - monitor.x<gap)
x+= monitor.x - x + labelOffset;
else if ( x + labelWidth > monitor.x + monitor.width - gap)
x-= x + labelWidth -( monitor.x + monitor.width) + gap;
this.label.set_position(x, y);
Tweener.addTween(this.label,
{ opacity: 255,
time: DASH_ITEM_LABEL_SHOW_TIME,
transition: 'easeOutQuad',
});
};
function extendDashItemContainer(dashItemContainer, settings) {
dashItemContainer._dtdSettings = settings;
dashItemContainer.showLabel = ItemShowLabel;
};
/*
* A menu for the showAppsIcon
*/
const myShowAppsIconMenu = new Lang.Class({
Name: 'dashToDockShowAppsIconMenu',
Extends: myAppIconMenu,
_redisplay: function() {
this.removeAll();
let item = this._appendMenuItem(_("Dash to Dock Settings"));
item.connect('activate', function () {
Util.spawn(["gnome-shell-extension-prefs", Me.metadata.uuid]);
});
}
});
/**
* Extend ShowAppsIcon
*
* - Pass settings to the constructor
* - set label position based on dash orientation
* - implement a popupMenu based on the AppIcon code
*
* I can't subclass the original object because of this: https://bugzilla.gnome.org/show_bug.cgi?id=688973.
* thus use this ugly pattern.
*/
function extendShowAppsIcon(showAppsIcon, settings){
showAppsIcon._dtdSettings = settings;
/* the variable equivalent to toggleButton has a different name in the appIcon class
(actor): duplicate reference to easily reuse appIcon methods */
showAppsIcon.actor = showAppsIcon.toggleButton;
// Re-use appIcon methods
showAppsIcon._removeMenuTimeout = AppDisplay.AppIcon.prototype._removeMenuTimeout;
showAppsIcon._setPopupTimeout = AppDisplay.AppIcon.prototype._setPopupTimeout;
showAppsIcon._onButtonPress = AppDisplay.AppIcon.prototype._onButtonPress;
showAppsIcon._onKeyboardPopupMenu = AppDisplay.AppIcon.prototype._onKeyboardPopupMenu;
showAppsIcon._onLeaveEvent = AppDisplay.AppIcon.prototype._onLeaveEvent;
showAppsIcon._onTouchEvent = AppDisplay.AppIcon.prototype._onTouchEvent;
showAppsIcon._onMenuPoppedDown = AppDisplay.AppIcon.prototype._onMenuPoppedDown;
// No action on clicked (showing of the appsview is controlled elsewhere)
showAppsIcon._onClicked = function(actor, button) {
showAppsIcon._removeMenuTimeout();
};
showAppsIcon.actor.connect('leave-event', Lang.bind( showAppsIcon, showAppsIcon._onLeaveEvent));
showAppsIcon.actor.connect('button-press-event', Lang.bind( showAppsIcon, showAppsIcon._onButtonPress));
showAppsIcon.actor.connect('touch-event', Lang.bind( showAppsIcon, showAppsIcon._onTouchEvent));
showAppsIcon.actor.connect('clicked', Lang.bind( showAppsIcon, showAppsIcon._onClicked));
showAppsIcon.actor.connect('popup-menu', Lang.bind( showAppsIcon, showAppsIcon._onKeyboardPopupMenu));
showAppsIcon._menu = null;
showAppsIcon._menuManager = new PopupMenu.PopupMenuManager(showAppsIcon);
showAppsIcon._menuTimeoutId = 0;
showAppsIcon.showLabel = ItemShowLabel;
showAppsIcon.popupMenu = function() {
showAppsIcon._removeMenuTimeout();
showAppsIcon.actor.fake_release();
if (!showAppsIcon._menu) {
showAppsIcon._menu = new myShowAppsIconMenu(showAppsIcon, showAppsIcon._dtdSettings);
showAppsIcon._menu.connect('open-state-changed', Lang.bind(showAppsIcon, function (menu, isPoppedUp) {
if (!isPoppedUp)
showAppsIcon._onMenuPoppedDown();
}));
let id = Main.overview.connect('hiding', Lang.bind(showAppsIcon, function () { showAppsIcon._menu.close(); }));
showAppsIcon._menu.actor.connect('destroy', function() {
Main.overview.disconnect(id);
});
showAppsIcon._menuManager.addMenu(showAppsIcon._menu);
}
showAppsIcon.emit('menu-state-changed', true);
showAppsIcon.actor.set_hover(true);
showAppsIcon._menu.popup();
showAppsIcon._menuManager.ignoreRelease();
showAppsIcon.emit('sync-tooltip');
return false;
};
Signals.addSignalMethods(showAppsIcon);
}
/* This class is a fork of the upstream DashActor class (ui.dash.js)
*
* Summary of changes:
* - passed settings to class as parameter
* - modified chldBox calculations for when 'show-apps-at-top' option is checked
* - handle horizontal dash
*/
const myDashActor = new Lang.Class({
Name: 'DashToDockmyDashActor',
_init: function(settings) {
this._dtdSettings = settings;
this._rtl = Clutter.get_default_text_direction() == Clutter.TextDirection.RTL;
this._position = getPosition(settings);
this._isHorizontal = ( this._position == St.Side.TOP ||
this._position == St.Side.BOTTOM );
let layout = new Clutter.BoxLayout({ orientation:
this._isHorizontal?Clutter.Orientation.HORIZONTAL:Clutter.Orientation.VERTICAL });
this.actor = new Shell.GenericContainer({ name: 'dash',
layout_manager: layout,
clip_to_allocation: true });
this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
this.actor.connect('allocate', Lang.bind(this, this._allocate));
this.actor._delegate = this;
},
_allocate: function(actor, box, flags) {
let contentBox = box;
let availWidth = contentBox.x2 - contentBox.x1;
let availHeight = contentBox.y2 - contentBox.y1;
let [appIcons, showAppsButton] = actor.get_children();
let [showAppsMinHeight, showAppsNatHeight] = showAppsButton.get_preferred_height(availWidth);
let [showAppsMinWidth, showAppsNatWidth] = showAppsButton.get_preferred_width(availHeight);
let offset_x = this._isHorizontal?showAppsNatWidth:0;
let offset_y = this._isHorizontal?0:showAppsNatHeight;
let childBox = new Clutter.ActorBox();
if( (this._dtdSettings.get_boolean('show-apps-at-top') && !this._isHorizontal)
|| (this._dtdSettings.get_boolean('show-apps-at-top') && !this._rtl)
|| (!this._dtdSettings.get_boolean('show-apps-at-top') && this._isHorizontal && this._rtl)
) {
childBox.x1 = contentBox.x1 + offset_x;
childBox.y1 = contentBox.y1 + offset_y;
childBox.x2 = contentBox.x2;
childBox.y2 = contentBox.y2;
appIcons.allocate(childBox, flags);
childBox.y1 = contentBox.y1;
childBox.x1 = contentBox.x1;
childBox.x2 = contentBox.x1 + showAppsNatWidth;
childBox.y2 = contentBox.y1 + showAppsNatHeight;
showAppsButton.allocate(childBox, flags);
} else {
childBox.x1 = contentBox.x1;
childBox.y1 = contentBox.y1;
childBox.x2 = contentBox.x2 - offset_x;
childBox.y2 = contentBox.y2 - offset_y;
appIcons.allocate(childBox, flags);
childBox.x2 = contentBox.x2;
childBox.y2 = contentBox.y2;
childBox.x1 = contentBox.x2 - showAppsNatWidth;
childBox.y1 = contentBox.y2 - showAppsNatHeight;
showAppsButton.allocate(childBox, flags);
}
},
_getPreferredWidth: function(actor, forHeight, alloc) {
// We want to request the natural height of all our children
// as our natural height, so we chain up to StWidget (which
// then calls BoxLayout), but we only request the showApps
// button as the minimum size
let [, natWidth] = this.actor.layout_manager.get_preferred_width(this.actor, forHeight);
let themeNode = this.actor.get_theme_node();
let [, showAppsButton] = this.actor.get_children();
let [minWidth, ] = showAppsButton.get_preferred_height(forHeight);
alloc.min_size = minWidth;
alloc.natural_size = natWidth;
},
_getPreferredHeight: function(actor, forWidth, alloc) {
// We want to request the natural height of all our children
// as our natural height, so we chain up to StWidget (which
// then calls BoxLayout), but we only request the showApps
// button as the minimum size
let [, natHeight] = this.actor.layout_manager.get_preferred_height(this.actor, forWidth);
let themeNode = this.actor.get_theme_node();
let [, showAppsButton] = this.actor.get_children();
let [minHeight, ] = showAppsButton.get_preferred_height(forWidth);
alloc.min_size = minHeight;
alloc.natural_size = natHeight;
}
});
/* This class is a fork of the upstream dash class (ui.dash.js)
*
* Summary of changes:
* - disconnect global signals adding a destroy method;
* - play animations even when not in overview mode
* - set a maximum icon size
* - show running and/or favorite applications
* - emit a custom signal when an app icon is added
* - hide showApps label when the custom menu is shown.
* - Add scrollview
* Ensure actor is visible on keyfocus inseid the scrollview
* - add 128px icon size, might be usefull for hidpi display
* - Sync minimization application target position.
*/
const baseIconSizes = [ 16, 22, 24, 32, 48, 64, 96, 128 ];
const myDash = new Lang.Class({
Name: 'dashToDock.myDash',
_init : function(settings) {
this._maxHeight = -1;
this.iconSize = 64;
this._availableIconSizes = baseIconSizes;
this._shownInitially = false;
this._dtdSettings = settings;
this._position = getPosition(settings);
this._isHorizontal = ( this._position == St.Side.TOP ||
this._position == St.Side.BOTTOM );
this._signalsHandler = new Convenience.GlobalSignalsHandler();
this._dragPlaceholder = null;
this._dragPlaceholderPos = -1;
this._animatingPlaceholdersCount = 0;
this._showLabelTimeoutId = 0;
this._resetHoverTimeoutId = 0;
this._ensureAppIconVisibilityTimeoutId = 0;
this._labelShowing = false;
this._containerObject = new myDashActor(settings);
this._container = this._containerObject.actor;
this._scrollView = new St.ScrollView({ name: 'dashtodockDashScrollview',
hscrollbar_policy: Gtk.PolicyType.NEVER,
vscrollbar_policy: Gtk.PolicyType.NEVER,
enable_mouse_scrolling: false });
this._scrollView.connect('scroll-event', Lang.bind(this, this._onScrollEvent ));
this._box = new St.BoxLayout({ vertical: !this._isHorizontal,
clip_to_allocation: false,
x_align: Clutter.ActorAlign.START,
y_align: Clutter.ActorAlign.START });
this._box._delegate = this;
this._container.add_actor(this._scrollView);
this._scrollView.add_actor(this._box);
this._showAppsIcon = new Dash.ShowAppsIcon();
extendShowAppsIcon(this._showAppsIcon, this._dtdSettings);
this._showAppsIcon.childScale = 1;
this._showAppsIcon.childOpacity = 255;
this._showAppsIcon.icon.setIconSize(this.iconSize);
this._hookUpLabel(this._showAppsIcon);
let appsIcon = this._showAppsIcon;
appsIcon.connect('menu-state-changed',
Lang.bind(this, function(appsIcon, opened) {
this._itemMenuStateChanged(appsIcon, opened);
}));
this.showAppsButton = this._showAppsIcon.toggleButton;
this._container.add_actor(this._showAppsIcon);
let rtl = Clutter.get_default_text_direction() == Clutter.TextDirection.RTL;
this.actor = new St.Bin({ child: this._container,
y_align: St.Align.START, x_align:rtl?St.Align.END:St.Align.START
});
if(this._isHorizontal) {
this.actor.connect('notify::width', Lang.bind(this,
function() {
if (this._maxHeight != this.actor.width)
this._queueRedisplay();
this._maxHeight = this.actor.width;
}));
} else {
this.actor.connect('notify::height', Lang.bind(this,
function() {
if (this._maxHeight != this.actor.height)
this._queueRedisplay();
this._maxHeight = this.actor.height;
}));
}
// Update minimization animation target position on allocation of the
// container and on scrollview change.
this._box.connect('notify::allocation', Lang.bind(this, this._updateAppIconsGeometry));
let scrollViewAdjustment = this._isHorizontal?this._scrollView.hscroll.adjustment:this._scrollView.vscroll.adjustment;
scrollViewAdjustment.connect('notify::value', Lang.bind(this, this._updateAppIconsGeometry));
this._workId = Main.initializeDeferredWork(this._box, Lang.bind(this, this._redisplay));
this._settings = new Gio.Settings({ schema_id: 'org.gnome.shell' });
this._appSystem = Shell.AppSystem.get_default();
this._signalsHandler.add(
[
this._appSystem,
'installed-changed',
Lang.bind(this, function() {
AppFavorites.getAppFavorites().reload();
this._queueRedisplay();
})
],
[
AppFavorites.getAppFavorites(),
'changed',
Lang.bind(this, this._queueRedisplay)
],
[
this._appSystem,
'app-state-changed',
Lang.bind(this, this._queueRedisplay)
],
[
Main.overview,
'item-drag-begin',
Lang.bind(this, this._onDragBegin)
],
[
Main.overview,
'item-drag-end',
Lang.bind(this, this._onDragEnd)
],
[
Main.overview,
'item-drag-cancelled',
Lang.bind(this, this._onDragCancelled)
]
);
},
destroy: function() {
this._signalsHandler.destroy();
},
_onScrollEvent: function(actor, event) {
// reset timeout to avid conflicts with the mousehover event
if (this._ensureAppIconVisibilityTimeoutId>0) {
Mainloop.source_remove(this._ensureAppIconVisibilityTimeoutId);
this._ensureAppIconVisibilityTimeoutId = 0;
}
// Skip to avoid double events mouse
if (event.is_pointer_emulated())
return Clutter.EVENT_STOP;
let adjustment, delta;
if (this._isHorizontal)
adjustment = this._scrollView.get_hscroll_bar().get_adjustment();
else
adjustment = this._scrollView.get_vscroll_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;
// Also consider horizontal component, for instance touchpad
if (this._isHorizontal)
delta += dx*increment;
break;
}
adjustment.set_value(adjustment.get_value() + delta);
return Clutter.EVENT_STOP;
},
_onDragBegin: function() {
this._dragCancelled = false;
this._dragMonitor = {
dragMotion: Lang.bind(this, this._onDragMotion)
};
DND.addDragMonitor(this._dragMonitor);
if (this._box.get_n_children() == 0) {
this._emptyDropTarget = new Dash.EmptyDropTargetItem();
this._box.insert_child_at_index(this._emptyDropTarget, 0);
this._emptyDropTarget.show(true);
}
},
_onDragCancelled: function() {
this._dragCancelled = true;
this._endDrag();
},
_onDragEnd: function() {
if (this._dragCancelled)
return;
this._endDrag();
},
_endDrag: function() {
this._clearDragPlaceholder();
this._clearEmptyDropTarget();
this._showAppsIcon.setDragApp(null);
DND.removeDragMonitor(this._dragMonitor);
},
_onDragMotion: function(dragEvent) {
let app = Dash.getAppFromSource(dragEvent.source);
if (app == null)
return DND.DragMotionResult.CONTINUE;
let showAppsHovered =
this._showAppsIcon.contains(dragEvent.targetActor);
if (!this._box.contains(dragEvent.targetActor) || showAppsHovered)
this._clearDragPlaceholder();
if (showAppsHovered)
this._showAppsIcon.setDragApp(app);
else
this._showAppsIcon.setDragApp(null);
return DND.DragMotionResult.CONTINUE;
},
_appIdListToHash: function(apps) {
let ids = {};
for (let i = 0; i < apps.length; i++)
ids[apps[i].get_id()] = apps[i];
return ids;
},
_queueRedisplay: function () {
Main.queueDeferredWork(this._workId);
},
_hookUpLabel: function(item, appIcon) {
item.child.connect('notify::hover', Lang.bind(this, function() {
this._syncLabel(item, appIcon);
}));
let id = Main.overview.connect('hiding', Lang.bind(this, function() {
this._labelShowing = false;
item.hideLabel();
}));
item.child.connect('destroy', function() {
Main.overview.disconnect(id);
});
if (appIcon) {
appIcon.connect('sync-tooltip', Lang.bind(this, function() {
this._syncLabel(item, appIcon);
}));
}
},
_createAppItem: function(app) {
let appIcon = new myAppIcon(this._dtdSettings, app,
{ setSizeManually: true,
showLabel: false });
if (appIcon._draggable) {
appIcon._draggable.connect('drag-begin',
Lang.bind(this, function() {
appIcon.actor.opacity = 50;
}));
appIcon._draggable.connect('drag-end',
Lang.bind(this, function() {
appIcon.actor.opacity = 255;
}));
}
appIcon.connect('menu-state-changed',
Lang.bind(this, function(appIcon, opened) {
this._itemMenuStateChanged(item, opened);
}));
let item = new Dash.DashItemContainer();
extendDashItemContainer(item, this._dtdSettings);
item.setChild(appIcon.actor);
item.setChild(appIcon.actor);
appIcon.actor.connect('notify::hover', Lang.bind(this, function() {
if (appIcon.actor.hover){
this._ensureAppIconVisibilityTimeoutId = Mainloop.timeout_add(100, Lang.bind(this, function(){
ensureActorVisibleInScrollView(this._scrollView, appIcon.actor);
this._ensureAppIconVisibilityTimeoutId = 0;
return GLib.SOURCE_REMOVE;
}));
} else {
if (this._ensureAppIconVisibilityTimeoutId>0) {
Mainloop.source_remove(this._ensureAppIconVisibilityTimeoutId);
this._ensureAppIconVisibilityTimeoutId = 0;
}
}
}));
appIcon.actor.connect('clicked',
Lang.bind(this, function(actor) {
ensureActorVisibleInScrollView(this._scrollView, actor);
}));
appIcon.actor.connect('key-focus-in',
Lang.bind(this, function(actor) {
let [x_shift, y_shift] = ensureActorVisibleInScrollView(this._scrollView, actor);
// This signal is triggered also by mouse click. The popup menu is opened at the original
// coordinates. Thus correct for the shift which is going to be applied to the scrollview.
if (appIcon._menu) {
appIcon._menu._boxPointer.xOffset = -x_shift;
appIcon._menu._boxPointer.yOffset = -y_shift;
}
}));
// Override default AppIcon label_actor, now the
// accessible_name is set at DashItemContainer.setLabelText
appIcon.actor.label_actor = null;
item.setLabelText(app.get_name());
appIcon.icon.setIconSize(this.iconSize);
this._hookUpLabel(item, appIcon);
return item;
},
// Return an array with the "proper" appIcons currently in the dash
_getAppIcons: function() {
// Only consider children which are "proper"
// icons (i.e. ignoring drag placeholders) and which are not
// animating out (which means they will be destroyed at the end of
// the animation)
let iconChildren = this._box.get_children().filter(function(actor) {
return actor.child &&
actor.child._delegate &&
actor.child._delegate.icon &&
!actor.animatingOut;
});
let appIcons = iconChildren.map(function(actor){
return actor.child._delegate;
});
return appIcons;
},
_updateAppIconsGeometry: function() {
let appIcons = this._getAppIcons();
appIcons.forEach(function(icon){
icon.updateIconGeometry();
});
},
_itemMenuStateChanged: function(item, opened) {
// When the menu closes, it calls sync_hover, which means
// that the notify::hover handler does everything we need to.
if (opened) {
if (this._showLabelTimeoutId > 0) {
Mainloop.source_remove(this._showLabelTimeoutId);
this._showLabelTimeoutId = 0;
}
item.hideLabel();
} else {
// I want to listen from outside when a menu is closed. I used to
// add a custom signal to the appIcon, since gnome 3.8 the signal
// calling this callback was added upstream.
this.emit('menu-closed');
}
},
_syncLabel: function (item, appIcon) {
let shouldShow = appIcon ? appIcon.shouldShowTooltip() : item.child.get_hover();
if (shouldShow) {
if (this._showLabelTimeoutId == 0) {
let timeout = this._labelShowing ? 0 : DASH_ITEM_HOVER_TIMEOUT;
this._showLabelTimeoutId = Mainloop.timeout_add(timeout,
Lang.bind(this, function() {
this._labelShowing = true;
item.showLabel();
this._showLabelTimeoutId = 0;
return GLib.SOURCE_REMOVE;
}));
GLib.Source.set_name_by_id(this._showLabelTimeoutId, '[gnome-shell] item.showLabel');
if (this._resetHoverTimeoutId > 0) {
Mainloop.source_remove(this._resetHoverTimeoutId);
this._resetHoverTimeoutId = 0;
}
}
} else {
if (this._showLabelTimeoutId > 0)
Mainloop.source_remove(this._showLabelTimeoutId);
this._showLabelTimeoutId = 0;
item.hideLabel();
if (this._labelShowing) {
this._resetHoverTimeoutId = Mainloop.timeout_add(DASH_ITEM_HOVER_TIMEOUT,
Lang.bind(this, function() {
this._labelShowing = false;
this._resetHoverTimeoutId = 0;
return GLib.SOURCE_REMOVE;
}));
GLib.Source.set_name_by_id(this._resetHoverTimeoutId, '[gnome-shell] this._labelShowing');
}
}
},
_adjustIconSize: function() {
// For the icon size, we only consider children which are "proper"
// icons (i.e. ignoring drag placeholders) and which are not
// animating out (which means they will be destroyed at the end of
// the animation)
let iconChildren = this._box.get_children().filter(function(actor) {
return actor.child &&
actor.child._delegate &&
actor.child._delegate.icon &&
!actor.animatingOut;
});
iconChildren.push(this._showAppsIcon);
if (this._maxHeight == -1)
return;
let themeNode = this._container.get_theme_node();
let maxAllocation = new Clutter.ActorBox({ x1: 0, y1: 0,
x2: this._isHorizontal?this._maxHeight:42 /* whatever */,
y2: this._isHorizontal?42:this._maxHeight });
let maxContent = themeNode.get_content_box(maxAllocation);
let availHeight;
if (this._isHorizontal)
availHeight = maxContent.x2 - maxContent.x1;
else
availHeight = maxContent.y2 - maxContent.y1;
let spacing = themeNode.get_length('spacing');
let firstButton = iconChildren[0].child;
let firstIcon = firstButton._delegate.icon;
let minHeight, natHeight, maxWidth, natWidth;
// Enforce the current icon size during the size request
firstIcon.setIconSize(this.iconSize);
[minHeight, natHeight] = firstButton.get_preferred_height(-1);
[minWidth, natWidth] = firstButton.get_preferred_width(-1);
let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
let iconSizes = this._availableIconSizes.map(function(s) {
return s * scaleFactor;
});
// Subtract icon padding and box spacing from the available height
if(this._isHorizontal){
availHeight -= iconChildren.length * (natWidth - this.iconSize * scaleFactor) +
(iconChildren.length - 1) * spacing;
} else {
availHeight -= iconChildren.length * (natHeight - this.iconSize * scaleFactor) +
(iconChildren.length - 1) * spacing;
}
let availSize = availHeight / iconChildren.length;
let newIconSize = this._availableIconSizes[0];
for (let i = 0; i < iconSizes.length; i++) {
if (iconSizes[i] < availSize)
newIconSize = this._availableIconSizes[i];
}
if (newIconSize == this.iconSize)
return;
let oldIconSize = this.iconSize;
this.iconSize = newIconSize;
this.emit('icon-size-changed');
let scale = oldIconSize / newIconSize;
for (let i = 0; i < iconChildren.length; i++) {
let icon = iconChildren[i].child._delegate.icon;
// Set the new size immediately, to keep the icons' sizes
// in sync with this.iconSize
icon.setIconSize(this.iconSize);
// Don't animate the icon size change when the overview
// is transitioning, or when initially filling
// the dash
if (Main.overview.animationInProgress ||
!this._shownInitially)
continue;
let [targetWidth, targetHeight] = icon.icon.get_size();
// Scale the icon's texture to the previous size and
// tween to the new size
icon.icon.set_size(icon.icon.width * scale,
icon.icon.height * scale);
Tweener.addTween(icon.icon,
{ width: targetWidth,
height: targetHeight,
time: DASH_ANIMATION_TIME,
transition: 'easeOutQuad',
});
}
},
_redisplay: function () {
let favorites = AppFavorites.getAppFavorites().getFavoriteMap();
let running = this._appSystem.get_running();
let children = this._box.get_children().filter(function(actor) {
return actor.child &&
actor.child._delegate &&
actor.child._delegate.app;
});
// Apps currently in the dash
let oldApps = children.map(function(actor) {
return actor.child._delegate.app;
});
// Apps supposed to be in the dash
let newApps = [];
for (let id in favorites)
newApps.push(favorites[id]);
if( this._dtdSettings.get_boolean('show-running') ) {
for (let i = 0; i < running.length; i++) {
let app = running[i];
if (app.get_id() in favorites)
continue;
newApps.push(app);
}
}
// Figure out the actual changes to the list of items; we iterate
// over both the list of items currently in the dash and the list
// of items expected there, and collect additions and removals.
// Moves are both an addition and a removal, where the order of
// the operations depends on whether we encounter the position
// where the item has been added first or the one from where it
// was removed.
// There is an assumption that only one item is moved at a given
// time; when moving several items at once, everything will still
// end up at the right position, but there might be additional
// additions/removals (e.g. it might remove all the launchers
// and add them back in the new order even if a smaller set of
// additions and removals is possible).
// If above assumptions turns out to be a problem, we might need
// to use a more sophisticated algorithm, e.g. Longest Common
// Subsequence as used by diff.
let addedItems = [];
let removedActors = [];
let newIndex = 0;
let oldIndex = 0;
while (newIndex < newApps.length || oldIndex < oldApps.length) {
// No change at oldIndex/newIndex
if (oldApps[oldIndex] == newApps[newIndex]) {
oldIndex++;
newIndex++;
continue;
}
// App removed at oldIndex
if (oldApps[oldIndex] &&
newApps.indexOf(oldApps[oldIndex]) == -1) {
removedActors.push(children[oldIndex]);
oldIndex++;
continue;
}
// App added at newIndex
if (newApps[newIndex] &&
oldApps.indexOf(newApps[newIndex]) == -1) {
addedItems.push({ app: newApps[newIndex],