928 lines
31 KiB
JavaScript
928 lines
31 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
|
|
|
|
const Clutter = imports.gi.Clutter;
|
|
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 DND = imports.ui.dnd;
|
|
const IconGrid = imports.ui.iconGrid;
|
|
const Main = imports.ui.main;
|
|
const Tweener = imports.ui.tweener;
|
|
const Workspace = imports.ui.workspace;
|
|
|
|
const DASH_ANIMATION_TIME = 0.2;
|
|
const DASH_ITEM_LABEL_SHOW_TIME = 0.15;
|
|
const DASH_ITEM_LABEL_HIDE_TIME = 0.1;
|
|
const DASH_ITEM_HOVER_TIMEOUT = 300;
|
|
|
|
function getAppFromSource(source) {
|
|
if (source instanceof AppDisplay.AppIcon) {
|
|
return source.app;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// A container like StBin, but taking the child's scale into account
|
|
// when requesting a size
|
|
const DashItemContainer = new Lang.Class({
|
|
Name: 'DashItemContainer',
|
|
Extends: St.Widget,
|
|
|
|
_init: function() {
|
|
this.parent({ style_class: 'dash-item-container' });
|
|
|
|
this._labelText = "";
|
|
this.label = new St.Label({ style_class: 'dash-label'});
|
|
this.label.hide();
|
|
Main.layoutManager.addChrome(this.label);
|
|
this.label_actor = this.label;
|
|
|
|
this.child = null;
|
|
this._childScale = 0;
|
|
this._childOpacity = 0;
|
|
this.animatingOut = false;
|
|
},
|
|
|
|
vfunc_allocate: function(box, flags) {
|
|
this.set_allocation(box, flags);
|
|
|
|
if (this.child == null)
|
|
return;
|
|
|
|
let availWidth = box.x2 - box.x1;
|
|
let availHeight = box.y2 - box.y1;
|
|
let [minChildWidth, minChildHeight, natChildWidth, natChildHeight] =
|
|
this.child.get_preferred_size();
|
|
let [childScaleX, childScaleY] = this.child.get_scale();
|
|
|
|
let childWidth = Math.min(natChildWidth * childScaleX, availWidth);
|
|
let childHeight = Math.min(natChildHeight * childScaleY, availHeight);
|
|
|
|
let childBox = new Clutter.ActorBox();
|
|
childBox.x1 = (availWidth - childWidth) / 2;
|
|
childBox.y1 = (availHeight - childHeight) / 2;
|
|
childBox.x2 = childBox.x1 + childWidth;
|
|
childBox.y2 = childBox.y1 + childHeight;
|
|
|
|
this.child.allocate(childBox, flags);
|
|
},
|
|
|
|
vfunc_get_preferred_height: function(forWidth) {
|
|
let themeNode = this.get_theme_node();
|
|
|
|
if (this.child == null)
|
|
return [0, 0];
|
|
|
|
forWidth = themeNode.adjust_for_width(forWidth);
|
|
let [minHeight, natHeight] = this.child.get_preferred_height(forWidth);
|
|
return themeNode.adjust_preferred_height(minHeight * this.child.scale_y,
|
|
natHeight * this.child.scale_y);
|
|
},
|
|
|
|
vfunc_get_preferred_width: function(forHeight) {
|
|
let themeNode = this.get_theme_node();
|
|
|
|
if (this.child == null)
|
|
return [0, 0];
|
|
|
|
forHeight = themeNode.adjust_for_height(forHeight);
|
|
let [minWidth, natWidth] = this.child.get_preferred_width(forHeight);
|
|
return themeNode.adjust_preferred_width(minWidth * this.child.scale_y,
|
|
natWidth * this.child.scale_y);
|
|
},
|
|
|
|
showLabel: function() {
|
|
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 itemHeight = this.allocation.y2 - this.allocation.y1;
|
|
|
|
let labelHeight = this.label.get_height();
|
|
let yOffset = Math.floor((itemHeight - labelHeight) / 2)
|
|
|
|
let y = stageY + yOffset;
|
|
|
|
let node = this.label.get_theme_node();
|
|
let xOffset = node.get_length('-x-offset');
|
|
|
|
let x;
|
|
if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL)
|
|
x = stageX - this.label.get_width() - xOffset;
|
|
else
|
|
x = stageX + this.get_width() + xOffset;
|
|
|
|
this.label.set_position(x, y);
|
|
Tweener.addTween(this.label,
|
|
{ opacity: 255,
|
|
time: DASH_ITEM_LABEL_SHOW_TIME,
|
|
transition: 'easeOutQuad',
|
|
});
|
|
},
|
|
|
|
setLabelText: function(text) {
|
|
this._labelText = text;
|
|
this.child.accessible_name = text;
|
|
},
|
|
|
|
hideLabel: function () {
|
|
Tweener.addTween(this.label,
|
|
{ opacity: 0,
|
|
time: DASH_ITEM_LABEL_HIDE_TIME,
|
|
transition: 'easeOutQuad',
|
|
onComplete: Lang.bind(this, function() {
|
|
this.label.hide();
|
|
})
|
|
});
|
|
},
|
|
|
|
setChild: function(actor) {
|
|
if (this.child == actor)
|
|
return;
|
|
|
|
this.destroy_all_children();
|
|
|
|
this.child = actor;
|
|
this.add_actor(this.child);
|
|
|
|
this.child.set_scale_with_gravity(this._childScale, this._childScale,
|
|
Clutter.Gravity.CENTER);
|
|
this.child.set_opacity(this._childOpacity);
|
|
},
|
|
|
|
show: function(animate) {
|
|
if (this.child == null)
|
|
return;
|
|
|
|
let time = animate ? DASH_ANIMATION_TIME : 0;
|
|
Tweener.addTween(this,
|
|
{ childScale: 1.0,
|
|
childOpacity: 255,
|
|
time: time,
|
|
transition: 'easeOutQuad'
|
|
});
|
|
},
|
|
|
|
destroy: function() {
|
|
if (this.label)
|
|
this.label.destroy();
|
|
|
|
this.parent();
|
|
},
|
|
|
|
animateOutAndDestroy: function() {
|
|
if (this.label)
|
|
this.label.destroy();
|
|
|
|
if (this.child == null) {
|
|
this.destroy();
|
|
return;
|
|
}
|
|
|
|
this.animatingOut = true;
|
|
Tweener.addTween(this,
|
|
{ childScale: 0.0,
|
|
childOpacity: 0,
|
|
time: DASH_ANIMATION_TIME,
|
|
transition: 'easeOutQuad',
|
|
onComplete: Lang.bind(this, function() {
|
|
this.destroy();
|
|
})
|
|
});
|
|
},
|
|
|
|
set childScale(scale) {
|
|
this._childScale = scale;
|
|
|
|
if (this.child == null)
|
|
return;
|
|
|
|
this.child.set_scale_with_gravity(scale, scale,
|
|
Clutter.Gravity.CENTER);
|
|
this.queue_relayout();
|
|
},
|
|
|
|
get childScale() {
|
|
return this._childScale;
|
|
},
|
|
|
|
set childOpacity(opacity) {
|
|
this._childOpacity = opacity;
|
|
|
|
if (this.child == null)
|
|
return;
|
|
|
|
this.child.set_opacity(opacity);
|
|
this.queue_redraw();
|
|
},
|
|
|
|
get childOpacity() {
|
|
return this._childOpacity;
|
|
}
|
|
});
|
|
|
|
const ShowAppsIcon = new Lang.Class({
|
|
Name: 'ShowAppsIcon',
|
|
Extends: DashItemContainer,
|
|
|
|
_init: function() {
|
|
this.parent();
|
|
|
|
this.toggleButton = new St.Button({ style_class: 'show-apps',
|
|
track_hover: true,
|
|
can_focus: true,
|
|
toggle_mode: true });
|
|
this._iconActor = null;
|
|
this.icon = new IconGrid.BaseIcon(_("Show Applications"),
|
|
{ setSizeManually: true,
|
|
showLabel: false,
|
|
createIcon: Lang.bind(this, this._createIcon) });
|
|
this.toggleButton.add_actor(this.icon.actor);
|
|
this.toggleButton._delegate = this;
|
|
|
|
this.setChild(this.toggleButton);
|
|
this.setDragApp(null);
|
|
},
|
|
|
|
_createIcon: function(size) {
|
|
this._iconActor = new St.Icon({ icon_name: 'view-grid-symbolic',
|
|
icon_size: size,
|
|
style_class: 'show-apps-icon',
|
|
track_hover: true });
|
|
return this._iconActor;
|
|
},
|
|
|
|
_canRemoveApp: function(app) {
|
|
if (app == null)
|
|
return false;
|
|
|
|
let id = app.get_id();
|
|
let isFavorite = AppFavorites.getAppFavorites().isFavorite(id);
|
|
return isFavorite;
|
|
},
|
|
|
|
setDragApp: function(app) {
|
|
let canRemove = this._canRemoveApp(app);
|
|
|
|
this.toggleButton.set_hover(canRemove);
|
|
if (this._iconActor)
|
|
this._iconActor.set_hover(canRemove);
|
|
|
|
if (canRemove)
|
|
this.setLabelText(_("Remove from Favorites"));
|
|
else
|
|
this.setLabelText(_("Show Applications"));
|
|
},
|
|
|
|
handleDragOver: function(source, actor, x, y, time) {
|
|
if (!this._canRemoveApp(getAppFromSource(source)))
|
|
return DND.DragMotionResult.NO_DROP;
|
|
|
|
return DND.DragMotionResult.MOVE_DROP;
|
|
},
|
|
|
|
acceptDrop: function(source, actor, x, y, time) {
|
|
let app = getAppFromSource(source);
|
|
if (!this._canRemoveApp(app))
|
|
return false;
|
|
|
|
let id = app.get_id();
|
|
|
|
Meta.later_add(Meta.LaterType.BEFORE_REDRAW, Lang.bind(this,
|
|
function () {
|
|
AppFavorites.getAppFavorites().removeFavorite(id);
|
|
return false;
|
|
}));
|
|
|
|
return true;
|
|
}
|
|
});
|
|
|
|
const DragPlaceholderItem = new Lang.Class({
|
|
Name: 'DragPlaceholderItem',
|
|
Extends: DashItemContainer,
|
|
|
|
_init: function() {
|
|
this.parent();
|
|
this.setChild(new St.Bin({ style_class: 'placeholder' }));
|
|
}
|
|
});
|
|
|
|
const DashActor = new Lang.Class({
|
|
Name: 'DashActor',
|
|
Extends: St.Widget,
|
|
|
|
_init: function() {
|
|
let layout = new Clutter.BoxLayout({ orientation: Clutter.Orientation.VERTICAL });
|
|
this.parent({ name: 'dash',
|
|
layout_manager: layout,
|
|
clip_to_allocation: true });
|
|
},
|
|
|
|
vfunc_allocate: function(box, flags) {
|
|
let contentBox = this.get_theme_node().get_content_box(box);
|
|
let availWidth = contentBox.x2 - contentBox.x1;
|
|
|
|
this.set_allocation(box, flags);
|
|
|
|
let [appIcons, showAppsButton] = this.get_children();
|
|
let [showAppsMinHeight, showAppsNatHeight] = showAppsButton.get_preferred_height(availWidth);
|
|
|
|
let childBox = new Clutter.ActorBox();
|
|
childBox.x1 = contentBox.x1;
|
|
childBox.y1 = contentBox.y1;
|
|
childBox.x2 = contentBox.x2;
|
|
childBox.y2 = contentBox.y2 - showAppsNatHeight;
|
|
appIcons.allocate(childBox, flags);
|
|
|
|
childBox.y1 = contentBox.y2 - showAppsNatHeight;
|
|
childBox.y2 = contentBox.y2;
|
|
showAppsButton.allocate(childBox, flags);
|
|
},
|
|
|
|
vfunc_get_preferred_height: function(forWidth) {
|
|
// 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.parent(forWidth);
|
|
|
|
let themeNode = this.get_theme_node();
|
|
let adjustedForWidth = themeNode.adjust_for_width(forWidth);
|
|
let [, showAppsButton] = this.get_children();
|
|
let [minHeight, ] = showAppsButton.get_preferred_height(adjustedForWidth);
|
|
[minHeight, ] = themeNode.adjust_preferred_height(minHeight, natHeight);
|
|
|
|
return [minHeight, natHeight];
|
|
}
|
|
});
|
|
|
|
const Dash = new Lang.Class({
|
|
Name: 'Dash',
|
|
|
|
_init : function() {
|
|
this._maxHeight = -1;
|
|
this.iconSize = 64;
|
|
this._shownInitially = false;
|
|
|
|
this._dragPlaceholder = null;
|
|
this._dragPlaceholderPos = -1;
|
|
this._animatingPlaceholdersCount = 0;
|
|
this._showLabelTimeoutId = 0;
|
|
this._resetHoverTimeoutId = 0;
|
|
this._labelShowing = false;
|
|
|
|
this._container = new DashActor();
|
|
this._box = new St.BoxLayout({ vertical: true,
|
|
clip_to_allocation: true });
|
|
this._box._delegate = this;
|
|
this._container.add_actor(this._box);
|
|
|
|
this._showAppsIcon = new ShowAppsIcon();
|
|
this._showAppsIcon.childScale = 1;
|
|
this._showAppsIcon.childOpacity = 255;
|
|
this._showAppsIcon.icon.setIconSize(this.iconSize);
|
|
this._hookUpLabel(this._showAppsIcon);
|
|
|
|
this.showAppsButton = this._showAppsIcon.toggleButton;
|
|
|
|
this._container.add_actor(this._showAppsIcon);
|
|
|
|
this.actor = new St.Bin({ child: this._container });
|
|
this.actor.connect('notify::height', Lang.bind(this,
|
|
function() {
|
|
if (this._maxHeight != this.actor.height)
|
|
this._queueRedisplay();
|
|
this._maxHeight = this.actor.height;
|
|
}));
|
|
|
|
this._workId = Main.initializeDeferredWork(this._box, Lang.bind(this, this._redisplay));
|
|
|
|
this._appSystem = Shell.AppSystem.get_default();
|
|
|
|
this._appSystem.connect('installed-changed', Lang.bind(this, this._queueRedisplay));
|
|
AppFavorites.getAppFavorites().connect('changed', Lang.bind(this, this._queueRedisplay));
|
|
this._appSystem.connect('app-state-changed', Lang.bind(this, this._queueRedisplay));
|
|
|
|
Main.overview.connect('item-drag-begin',
|
|
Lang.bind(this, this._onDragBegin));
|
|
Main.overview.connect('item-drag-end',
|
|
Lang.bind(this, this._onDragEnd));
|
|
Main.overview.connect('item-drag-cancelled',
|
|
Lang.bind(this, this._onDragCancelled));
|
|
|
|
// Translators: this is the name of the dock/favorites area on
|
|
// the left of the overview
|
|
Main.ctrlAltTabManager.addGroup(this.actor, _("Dash"), 'user-bookmarks-symbolic');
|
|
},
|
|
|
|
_onDragBegin: function() {
|
|
this._dragCancelled = false;
|
|
this._dragMonitor = {
|
|
dragMotion: Lang.bind(this, this._onDragMotion)
|
|
};
|
|
DND.addDragMonitor(this._dragMonitor);
|
|
},
|
|
|
|
_onDragCancelled: function() {
|
|
this._dragCancelled = true;
|
|
this._endDrag();
|
|
},
|
|
|
|
_onDragEnd: function() {
|
|
if (this._dragCancelled)
|
|
return;
|
|
|
|
this._endDrag();
|
|
},
|
|
|
|
_endDrag: function() {
|
|
this._clearDragPlaceholder();
|
|
this._showAppsIcon.setDragApp(null);
|
|
DND.removeDragMonitor(this._dragMonitor);
|
|
},
|
|
|
|
_onDragMotion: function(dragEvent) {
|
|
let app = 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) {
|
|
item.child.connect('notify::hover', Lang.bind(this, function() {
|
|
this._onHover(item);
|
|
}));
|
|
|
|
Main.overview.connect('hiding', Lang.bind(this, function() {
|
|
this._labelShowing = false;
|
|
item.hideLabel();
|
|
}));
|
|
},
|
|
|
|
_createAppItem: function(app) {
|
|
let appIcon = new AppDisplay.AppIcon(app,
|
|
{ setSizeManually: true,
|
|
showLabel: false });
|
|
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 DashItemContainer();
|
|
item.setChild(appIcon.actor);
|
|
|
|
// 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);
|
|
|
|
return item;
|
|
},
|
|
|
|
_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();
|
|
}
|
|
},
|
|
|
|
_onHover: function (item) {
|
|
if (item.child.get_hover()) {
|
|
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();
|
|
return false;
|
|
}));
|
|
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;
|
|
return false;
|
|
}));
|
|
}
|
|
}
|
|
},
|
|
|
|
_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: 42 /* whatever */,
|
|
y2: this._maxHeight });
|
|
let maxContent = themeNode.get_content_box(maxAllocation);
|
|
let availHeight = maxContent.y2 - maxContent.y1;
|
|
let spacing = themeNode.get_length('spacing');
|
|
|
|
let firstButton = iconChildren[0].child;
|
|
let firstIcon = firstButton._delegate.icon;
|
|
|
|
let minHeight, natHeight;
|
|
|
|
// Enforce the current icon size during the size request
|
|
let [currentWidth, currentHeight] = firstIcon.icon.get_size();
|
|
|
|
firstIcon.icon.set_size(this.iconSize, this.iconSize);
|
|
[minHeight, natHeight] = firstButton.get_preferred_height(-1);
|
|
|
|
firstIcon.icon.set_size(currentWidth, currentHeight);
|
|
|
|
// Subtract icon padding and box spacing from the available height
|
|
availHeight -= iconChildren.length * (natHeight - this.iconSize) +
|
|
(iconChildren.length - 1) * spacing;
|
|
|
|
let availSize = availHeight / iconChildren.length;
|
|
|
|
let iconSizes = [ 16, 22, 24, 32, 48, 64 ];
|
|
|
|
let newIconSize = 16;
|
|
for (let i = 0; i < iconSizes.length; i++) {
|
|
if (iconSizes[i] < availSize)
|
|
newIconSize = iconSizes[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, not visible or when initially filling
|
|
// the dash
|
|
if (!Main.overview.visible || 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]);
|
|
|
|
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],
|
|
item: this._createAppItem(newApps[newIndex]),
|
|
pos: newIndex });
|
|
newIndex++;
|
|
continue;
|
|
}
|
|
|
|
// App moved
|
|
let insertHere = newApps[newIndex + 1] &&
|
|
newApps[newIndex + 1] == oldApps[oldIndex];
|
|
let alreadyRemoved = removedActors.reduce(function(result, actor) {
|
|
let removedApp = actor.child._delegate.app;
|
|
return result || removedApp == newApps[newIndex];
|
|
}, false);
|
|
|
|
if (insertHere || alreadyRemoved) {
|
|
let newItem = this._createAppItem(newApps[newIndex]);
|
|
addedItems.push({ app: newApps[newIndex],
|
|
item: newItem,
|
|
pos: newIndex + removedActors.length });
|
|
newIndex++;
|
|
} else {
|
|
removedActors.push(children[oldIndex]);
|
|
oldIndex++;
|
|
}
|
|
}
|
|
|
|
for (let i = 0; i < addedItems.length; i++)
|
|
this._box.insert_child_at_index(addedItems[i].item,
|
|
addedItems[i].pos);
|
|
|
|
for (let i = 0; i < removedActors.length; i++) {
|
|
let item = removedActors[i];
|
|
|
|
// Don't animate item removal when the overview is transitioning
|
|
// or hidden
|
|
if (Main.overview.visible && !Main.overview.animationInProgress)
|
|
item.animateOutAndDestroy();
|
|
else
|
|
item.destroy();
|
|
}
|
|
|
|
this._adjustIconSize();
|
|
|
|
// Skip animations on first run when adding the initial set
|
|
// of items, to avoid all items zooming in at once
|
|
|
|
let animate = this._shownInitially && Main.overview.visible &&
|
|
!Main.overview.animationInProgress;
|
|
|
|
if (!this._shownInitially)
|
|
this._shownInitially = true;
|
|
|
|
for (let i = 0; i < addedItems.length; i++) {
|
|
addedItems[i].item.show(animate);
|
|
}
|
|
|
|
// Workaround for https://bugzilla.gnome.org/show_bug.cgi?id=692744
|
|
// Without it, StBoxLayout may use a stale size cache
|
|
this._box.queue_relayout();
|
|
},
|
|
|
|
_clearDragPlaceholder: function() {
|
|
if (this._dragPlaceholder) {
|
|
this._dragPlaceholder.animateOutAndDestroy();
|
|
this._dragPlaceholder = null;
|
|
this._dragPlaceholderPos = -1;
|
|
}
|
|
},
|
|
|
|
handleDragOver : function(source, actor, x, y, time) {
|
|
let app = getAppFromSource(source);
|
|
|
|
// Don't allow favoriting of transient apps
|
|
if (app == null || app.is_window_backed())
|
|
return DND.DragMotionResult.NO_DROP;
|
|
|
|
let favorites = AppFavorites.getAppFavorites().getFavorites();
|
|
let numFavorites = favorites.length;
|
|
|
|
let favPos = favorites.indexOf(app);
|
|
|
|
let children = this._box.get_children();
|
|
let numChildren = children.length;
|
|
let boxHeight = this._box.height;
|
|
|
|
// Keep the placeholder out of the index calculation; assuming that
|
|
// the remove target has the same size as "normal" items, we don't
|
|
// need to do the same adjustment there.
|
|
if (this._dragPlaceholder) {
|
|
boxHeight -= this._dragPlaceholder.height;
|
|
numChildren--;
|
|
}
|
|
|
|
let pos = Math.floor(y * numChildren / boxHeight);
|
|
|
|
if (pos != this._dragPlaceholderPos && pos <= numFavorites && this._animatingPlaceholdersCount == 0) {
|
|
this._dragPlaceholderPos = pos;
|
|
|
|
// Don't allow positioning before or after self
|
|
if (favPos != -1 && (pos == favPos || pos == favPos + 1)) {
|
|
if (this._dragPlaceholder) {
|
|
this._dragPlaceholder.animateOutAndDestroy();
|
|
this._animatingPlaceholdersCount++;
|
|
this._dragPlaceholder.connect('destroy',
|
|
Lang.bind(this, function() {
|
|
this._animatingPlaceholdersCount--;
|
|
}));
|
|
}
|
|
this._dragPlaceholder = null;
|
|
|
|
return DND.DragMotionResult.CONTINUE;
|
|
}
|
|
|
|
// If the placeholder already exists, we just move
|
|
// it, but if we are adding it, expand its size in
|
|
// an animation
|
|
let fadeIn;
|
|
if (this._dragPlaceholder) {
|
|
this._dragPlaceholder.destroy();
|
|
fadeIn = false;
|
|
} else {
|
|
fadeIn = true;
|
|
}
|
|
|
|
this._dragPlaceholder = new DragPlaceholderItem();
|
|
this._dragPlaceholder.child.set_width (this.iconSize);
|
|
this._dragPlaceholder.child.set_height (this.iconSize / 2);
|
|
this._box.insert_child_at_index(this._dragPlaceholder,
|
|
this._dragPlaceholderPos);
|
|
this._dragPlaceholder.show(fadeIn);
|
|
}
|
|
|
|
// Remove the drag placeholder if we are not in the
|
|
// "favorites zone"
|
|
if (pos > numFavorites && this._dragPlaceholder) {
|
|
this._clearDragPlaceholder();
|
|
}
|
|
if (!this._dragPlaceholder)
|
|
return DND.DragMotionResult.NO_DROP;
|
|
|
|
let srcIsFavorite = (favPos != -1);
|
|
|
|
if (srcIsFavorite)
|
|
return DND.DragMotionResult.MOVE_DROP;
|
|
|
|
return DND.DragMotionResult.COPY_DROP;
|
|
},
|
|
|
|
// Draggable target interface
|
|
acceptDrop : function(source, actor, x, y, time) {
|
|
let app = getAppFromSource(source);
|
|
|
|
// Don't allow favoriting of transient apps
|
|
if (app == null || app.is_window_backed()) {
|
|
return false;
|
|
}
|
|
|
|
let id = app.get_id();
|
|
|
|
let favorites = AppFavorites.getAppFavorites().getFavoriteMap();
|
|
|
|
let srcIsFavorite = (id in favorites);
|
|
|
|
let favPos = 0;
|
|
let children = this._box.get_children();
|
|
for (let i = 0; i < this._dragPlaceholderPos; i++) {
|
|
if (this._dragPlaceholder &&
|
|
children[i] == this._dragPlaceholder)
|
|
continue;
|
|
|
|
let childId = children[i].child._delegate.app.get_id();
|
|
if (childId == id)
|
|
continue;
|
|
if (childId in favorites)
|
|
favPos++;
|
|
}
|
|
|
|
// No drag placeholder means we don't wan't to favorite the app
|
|
// and we are dragging it to its original position
|
|
if (!this._dragPlaceholder)
|
|
return true;
|
|
|
|
Meta.later_add(Meta.LaterType.BEFORE_REDRAW, Lang.bind(this,
|
|
function () {
|
|
let appFavorites = AppFavorites.getAppFavorites();
|
|
if (srcIsFavorite)
|
|
appFavorites.moveFavoriteToPos(id, favPos);
|
|
else
|
|
appFavorites.addFavoriteAtPos(id, favPos);
|
|
return false;
|
|
}));
|
|
|
|
return true;
|
|
}
|
|
});
|
|
|
|
Signals.addSignalMethods(Dash.prototype);
|