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gnome-shell/js/ui/appDisplay.js
Jasper St. Pierre 8fe7f923ec appDisplay: Move from instanceof-testing to polymorphic duck typing 
Instead of having _compareItems, _getItemId, etc. on the view to
pull out info about items, use the AppIcon / FolderIcon items we
create as a place to track this additional info. We now require
that these items have a '.id' property for deduplication, and a
'.name' property to sort by.

https://bugzilla.gnome.org/show_bug.cgi?id=722117
2014-01-13 17:28:32 -05:00

1543 lines
56 KiB
JavaScript
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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 GObject = imports.gi.GObject;
const Gtk = imports.gi.Gtk;
const GMenu = imports.gi.GMenu;
const Shell = imports.gi.Shell;
const Lang = imports.lang;
const Signals = imports.signals;
const Meta = imports.gi.Meta;
const St = imports.gi.St;
const Mainloop = imports.mainloop;
const Atk = imports.gi.Atk;
const AppFavorites = imports.ui.appFavorites;
const BoxPointer = imports.ui.boxpointer;
const DND = imports.ui.dnd;
const IconGrid = imports.ui.iconGrid;
const Main = imports.ui.main;
const Overview = imports.ui.overview;
const OverviewControls = imports.ui.overviewControls;
const PopupMenu = imports.ui.popupMenu;
const Tweener = imports.ui.tweener;
const Workspace = imports.ui.workspace;
const Params = imports.misc.params;
const Util = imports.misc.util;
const MAX_APPLICATION_WORK_MILLIS = 75;
const MENU_POPUP_TIMEOUT = 600;
const MAX_COLUMNS = 6;
const MIN_COLUMNS = 4;
const MIN_ROWS = 4;
const INACTIVE_GRID_OPACITY = 77;
const INACTIVE_GRID_OPACITY_ANIMATION_TIME = 0.40;
const FOLDER_SUBICON_FRACTION = .4;
const MIN_FREQUENT_APPS_COUNT = 3;
const INDICATORS_BASE_TIME = 0.25;
const INDICATORS_ANIMATION_DELAY = 0.125;
const INDICATORS_ANIMATION_MAX_TIME = 0.75;
// Fraction of page height the finger or mouse must reach
// to change page
const PAGE_SWITCH_TRESHOLD = 0.2;
const PAGE_SWITCH_TIME = 0.3;
function _isTerminal(app) {
let categories = app.get_app_info().get_categories() || [];
return categories.indexOf('TerminalEmulator') > -1;
}
// Recursively load a GMenuTreeDirectory; we could put this in ShellAppSystem too
function _loadCategory(dir, view) {
let iter = dir.iter();
let appSystem = Shell.AppSystem.get_default();
let nextType;
while ((nextType = iter.next()) != GMenu.TreeItemType.INVALID) {
if (nextType == GMenu.TreeItemType.ENTRY) {
let entry = iter.get_entry();
let appInfo = entry.get_app_info();
let app = appSystem.lookup_app(entry.get_desktop_file_id());
if (appInfo.should_show())
view.addApp(app);
} else if (nextType == GMenu.TreeItemType.DIRECTORY) {
let itemDir = iter.get_directory();
_loadCategory(itemDir, view);
}
}
}
const BaseAppView = new Lang.Class({
Name: 'BaseAppView',
Abstract: true,
_init: function(params, gridParams) {
gridParams = Params.parse(gridParams, { xAlign: St.Align.MIDDLE,
columnLimit: MAX_COLUMNS,
minRows: MIN_ROWS,
minColumns: MIN_COLUMNS,
fillParent: false,
padWithSpacing: true });
params = Params.parse(params, { usePagination: false });
if(params.usePagination)
this._grid = new IconGrid.PaginatedIconGrid(gridParams);
else
this._grid = new IconGrid.IconGrid(gridParams);
// Standard hack for ClutterBinLayout
this._grid.actor.x_expand = true;
this._items = {};
this._allItems = [];
},
removeAll: function() {
this._grid.destroyAll();
this._items = {};
this._allItems = [];
},
_addItem: function(icon) {
let id = icon.id;
if (this._items[id] !== undefined)
return;
this._allItems.push(icon);
this._items[id] = icon;
},
loadGrid: function() {
this._allItems.sort(Lang.bind(this, function(a, b) {
return a.name.localeCompare(b.name);
}));
this._allItems.forEach(Lang.bind(this, function(item) {
this._grid.addItem(item);
}));
this.emit('view-loaded');
},
_selectAppInternal: function(id) {
if (this._items[id])
this._items[id].actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
else
log('No such application ' + id);
},
selectApp: function(id) {
if (this._items[id] && this._items[id].actor.mapped) {
this._selectAppInternal(id);
} else if (this._items[id]) {
// Need to wait until the view is mapped
let signalId = this._items[id].actor.connect('notify::mapped', Lang.bind(this, function(actor) {
if (actor.mapped) {
actor.disconnect(signalId);
this._selectAppInternal(id);
}
}));
} else {
// Need to wait until the view is built
let signalId = this.connect('view-loaded', Lang.bind(this, function() {
this.disconnect(signalId);
this.selectApp(id);
}));
}
}
});
Signals.addSignalMethods(BaseAppView.prototype);
const PageIndicators = new Lang.Class({
Name:'PageIndicators',
_init: function() {
this.actor = new St.BoxLayout({ style_class: 'page-indicators',
vertical: true,
x_expand: true, y_expand: true,
x_align: Clutter.ActorAlign.END,
y_align: Clutter.ActorAlign.CENTER,
reactive: true });
this._nPages = 0;
this._currentPage = undefined;
this.actor.connect('notify::mapped',
Lang.bind(this, this._animateIndicators));
},
setNPages: function(nPages) {
if (this._nPages == nPages)
return;
let diff = nPages - this._nPages;
if (diff > 0) {
for (let i = 0; i < diff; i++) {
let pageIndex = this._nPages + i;
let indicator = new St.Button({ style_class: 'page-indicator',
button_mask: St.ButtonMask.ONE |
St.ButtonMask.TWO |
St.ButtonMask.THREE,
toggle_mode: true,
checked: pageIndex == this._currentPage });
indicator.child = new St.Widget({ style_class: 'page-indicator-icon' });
indicator.connect('clicked', Lang.bind(this,
function() {
this.emit('page-activated', pageIndex);
}));
this.actor.add_actor(indicator);
}
} else {
let children = this.actor.get_children().splice(diff);
for (let i = 0; i < children.length; i++)
children[i].destroy();
}
this._nPages = nPages;
this.actor.visible = (this._nPages > 1);
},
setCurrentPage: function(currentPage) {
this._currentPage = currentPage;
let children = this.actor.get_children();
for (let i = 0; i < children.length; i++)
children[i].set_checked(i == this._currentPage);
},
_animateIndicators: function() {
if (!this.actor.mapped)
return;
let children = this.actor.get_children();
if (children.length == 0)
return;
let offset;
if (this.actor.get_text_direction() == Clutter.TextDirection.RTL)
offset = -children[0].width;
else
offset = children[0].width;
let delay = INDICATORS_ANIMATION_DELAY;
let totalAnimationTime = INDICATORS_BASE_TIME + INDICATORS_ANIMATION_DELAY * this._nPages;
if (totalAnimationTime > INDICATORS_ANIMATION_MAX_TIME)
delay -= (totalAnimationTime - INDICATORS_ANIMATION_MAX_TIME) / this._nPages;
for (let i = 0; i < this._nPages; i++) {
children[i].translation_x = offset;
Tweener.addTween(children[i],
{ translation_x: 0,
time: INDICATORS_BASE_TIME + delay * i,
transition: 'easeInOutQuad'
});
}
}
});
Signals.addSignalMethods(PageIndicators.prototype);
const AllView = new Lang.Class({
Name: 'AllView',
Extends: BaseAppView,
_init: function() {
this.parent({ usePagination: true }, null);
this._scrollView = new St.ScrollView({ style_class: 'all-apps',
x_expand: true,
y_expand: true,
x_fill: true,
y_fill: false,
reactive: true,
y_align: St.Align.START });
this.actor = new St.Widget({ layout_manager: new Clutter.BinLayout(),
x_expand:true, y_expand:true });
this.actor.add_actor(this._scrollView);
this._scrollView.set_policy(Gtk.PolicyType.NEVER,
Gtk.PolicyType.AUTOMATIC);
// we are only using ScrollView for the fade effect, hide scrollbars
this._scrollView.vscroll.hide();
this._adjustment = this._scrollView.vscroll.adjustment;
this._pageIndicators = new PageIndicators();
this._pageIndicators.connect('page-activated', Lang.bind(this,
function(indicators, pageIndex) {
this.goToPage(pageIndex);
}));
this._pageIndicators.actor.connect('scroll-event', Lang.bind(this, this._onScroll));
this.actor.add_actor(this._pageIndicators.actor);
this._folderIcons = [];
this._stack = new St.Widget({ layout_manager: new Clutter.BinLayout() });
let box = new St.BoxLayout({ vertical: true });
this._currentPage = 0;
this._stack.add_actor(this._grid.actor);
this._eventBlocker = new St.Widget({ x_expand: true, y_expand: true });
this._stack.add_actor(this._eventBlocker);
box.add_actor(this._stack);
this._scrollView.add_actor(box);
this._scrollView.connect('scroll-event', Lang.bind(this, this._onScroll));
let panAction = new Clutter.PanAction({ interpolate: false });
panAction.connect('pan', Lang.bind(this, this._onPan));
panAction.connect('gesture-cancel', Lang.bind(this, this._onPanEnd));
panAction.connect('gesture-end', Lang.bind(this, this._onPanEnd));
this._panAction = panAction;
this._scrollView.add_action(panAction);
this._panning = false;
this._clickAction = new Clutter.ClickAction();
this._clickAction.connect('clicked', Lang.bind(this, function() {
if (!this._currentPopup)
return;
let [x, y] = this._clickAction.get_coords();
let actor = global.stage.get_actor_at_pos(Clutter.PickMode.ALL, x, y);
if (!this._currentPopup.actor.contains(actor))
this._currentPopup.popdown();
}));
this._eventBlocker.add_action(this._clickAction);
this._displayingPopup = false;
this._availWidth = 0;
this._availHeight = 0;
Main.overview.connect('hidden', Lang.bind(this,
function() {
this.goToPage(0);
}));
this._grid.connect('space-opened', Lang.bind(this,
function() {
this._scrollView.get_effect('fade').enabled = false;
this.emit('space-ready');
}));
this._grid.connect('space-closed', Lang.bind(this,
function() {
this._displayingPopup = false;
}));
this.actor.connect('notify::mapped', Lang.bind(this,
function() {
if (this.actor.mapped) {
this._keyPressEventId =
global.stage.connect('key-press-event',
Lang.bind(this, this._onKeyPressEvent));
} else {
if (this._keyPressEventId)
global.stage.disconnect(this._keyPressEventId);
this._keyPressEventId = 0;
}
}));
},
getCurrentPageY: function() {
return this._grid.getPageY(this._currentPage);
},
goToPage: function(pageNumber) {
if(pageNumber < 0 || pageNumber > this._grid.nPages() - 1)
return;
if (this._currentPage == pageNumber && this._displayingPopup && this._currentPopup)
return;
if (this._displayingPopup && this._currentPopup)
this._currentPopup.popdown();
let velocity;
if (!this._panning)
velocity = 0;
else
velocity = Math.abs(this._panAction.get_velocity(0)[2]);
// Tween the change between pages.
// If velocity is not specified (i.e. scrolling with mouse wheel),
// use the same speed regardless of original position
// if velocity is specified, it's in pixels per milliseconds
let diffToPage = this._diffToPage(pageNumber);
let childBox = this._scrollView.get_allocation_box();
let totalHeight = childBox.y2 - childBox.y1;
let time;
// Only take the velocity into account on page changes, otherwise
// return smoothly to the current page using the default velocity
if (this._currentPage != pageNumber) {
let minVelocity = totalHeight / (PAGE_SWITCH_TIME * 1000);
velocity = Math.max(minVelocity, velocity);
time = (diffToPage / velocity) / 1000;
} else {
time = PAGE_SWITCH_TIME * diffToPage / totalHeight;
}
// When changing more than one page, make sure to not take
// longer than PAGE_SWITCH_TIME
time = Math.min(time, PAGE_SWITCH_TIME);
if (pageNumber < this._grid.nPages() && pageNumber >= 0) {
this._currentPage = pageNumber;
Tweener.addTween(this._adjustment,
{ value: this._grid.getPageY(this._currentPage),
time: time,
transition: 'easeOutQuad' });
this._pageIndicators.setCurrentPage(pageNumber);
}
},
_diffToPage: function (pageNumber) {
let currentScrollPosition = this._adjustment.value;
return Math.abs(currentScrollPosition - this._grid.getPageY(pageNumber));
},
openSpaceForPopup: function(item, side, nRows) {
this._updateIconOpacities(true);
this._displayingPopup = true;
this._grid.openExtraSpace(item, side, nRows);
},
_closeSpaceForPopup: function() {
this._updateIconOpacities(false);
this._scrollView.get_effect('fade').enabled = true;
this._grid.closeExtraSpace();
},
_onScroll: function(actor, event) {
if (this._displayingPopup)
return Clutter.EVENT_STOP;
let direction = event.get_scroll_direction();
if (direction == Clutter.ScrollDirection.UP)
this.goToPage(this._currentPage - 1);
else if (direction == Clutter.ScrollDirection.DOWN)
this.goToPage(this._currentPage + 1);
return Clutter.EVENT_STOP;
},
_onPan: function(action) {
if (this._displayingPopup)
return false;
this._panning = true;
this._clickAction.release();
let [dist, dx, dy] = action.get_motion_delta(0);
let adjustment = this._adjustment;
adjustment.value -= (dy / this._scrollView.height) * adjustment.page_size;
return false;
},
_onPanEnd: function(action) {
if (this._displayingPopup)
return;
let diffCurrentPage = this._diffToPage(this._currentPage);
if (diffCurrentPage > this._scrollView.height * PAGE_SWITCH_TRESHOLD) {
if (action.get_velocity(0)[2] > 0)
this.goToPage(this._currentPage - 1);
else
this.goToPage(this._currentPage + 1);
} else {
this.goToPage(this._currentPage);
}
this._panning = false;
},
_onKeyPressEvent: function(actor, event) {
if (this._displayingPopup)
return Clutter.EVENT_STOP;
if (event.get_key_symbol() == Clutter.Page_Up) {
this.goToPage(this._currentPage - 1);
return Clutter.EVENT_STOP;
} else if (event.get_key_symbol() == Clutter.Page_Down) {
this.goToPage(this._currentPage + 1);
return Clutter.EVENT_STOP;
}
return Clutter.EVENT_PROPAGATE;
},
removeAll: function() {
this._folderIcons = [];
this.parent();
},
addApp: function(app) {
let icon = new AppIcon(app);
this._addItem(icon);
if (icon)
icon.actor.connect('key-focus-in',
Lang.bind(this, this._ensureIconVisible));
},
addFolder: function(dir) {
let icon = new FolderIcon(dir, this);
this._addItem(icon);
this._folderIcons.push(icon);
if (icon)
icon.actor.connect('key-focus-in',
Lang.bind(this, this._ensureIconVisible));
},
addFolderPopup: function(popup) {
this._stack.add_actor(popup.actor);
popup.connect('open-state-changed', Lang.bind(this,
function(popup, isOpen) {
this._eventBlocker.reactive = isOpen;
this._currentPopup = isOpen ? popup : null;
this._updateIconOpacities(isOpen);
if(!isOpen)
this._closeSpaceForPopup();
}));
},
_ensureIconVisible: function(icon) {
let itemPage = this._grid.getItemPage(icon);
this.goToPage(itemPage);
},
_updateIconOpacities: function(folderOpen) {
for (let id in this._items) {
let params, opacity;
if (folderOpen && !this._items[id].actor.checked)
opacity = INACTIVE_GRID_OPACITY;
else
opacity = 255;
params = { opacity: opacity,
time: INACTIVE_GRID_OPACITY_ANIMATION_TIME,
transition: 'easeOutQuad' };
Tweener.addTween(this._items[id].actor, params);
}
},
// Called before allocation to calculate dynamic spacing
adaptToSize: function(width, height) {
let box = new Clutter.ActorBox();
box.x1 = 0;
box.x2 = width;
box.y1 = 0;
box.y2 = height;
box = this.actor.get_theme_node().get_content_box(box);
box = this._scrollView.get_theme_node().get_content_box(box);
box = this._grid.actor.get_theme_node().get_content_box(box);
let availWidth = box.x2 - box.x1;
let availHeight = box.y2 - box.y1;
let oldNPages = this._grid.nPages();
this._grid.adaptToSize(availWidth, availHeight);
let fadeOffset = Math.min(this._grid.topPadding,
this._grid.bottomPadding);
this._scrollView.update_fade_effect(fadeOffset, 0);
this._scrollView.get_effect('fade').fade_edges = true;
if (this._availWidth != availWidth || this._availHeight != availHeight || oldNPages != this._grid.nPages()) {
this._adjustment.value = 0;
Meta.later_add(Meta.LaterType.BEFORE_REDRAW, Lang.bind(this,
function() {
this._pageIndicators.setNPages(this._grid.nPages());
this._pageIndicators.setCurrentPage(0);
}));
}
this._availWidth = availWidth;
this._availHeight = availHeight;
// Update folder views
for (let i = 0; i < this._folderIcons.length; i++)
this._folderIcons[i].adaptToSize(availWidth, availHeight);
}
});
Signals.addSignalMethods(AllView.prototype);
const FrequentView = new Lang.Class({
Name: 'FrequentView',
Extends: BaseAppView,
_init: function() {
this.parent(null, { fillParent: true });
this.actor = new St.Widget({ style_class: 'frequent-apps',
layout_manager: new Clutter.BinLayout(),
x_expand: true, y_expand: true });
this._noFrequentAppsLabel = new St.Label({ text: _("Frequently used applications will appear here"),
style_class: 'no-frequent-applications-label',
x_align: Clutter.ActorAlign.CENTER,
x_expand: true,
y_align: Clutter.ActorAlign.CENTER,
y_expand: true });
this._grid.actor.y_expand = true;
this.actor.add_actor(this._grid.actor);
this.actor.add_actor(this._noFrequentAppsLabel);
this._noFrequentAppsLabel.hide();
this._usage = Shell.AppUsage.get_default();
},
hasUsefulData: function() {
return this._usage.get_most_used("").length >= MIN_FREQUENT_APPS_COUNT;
},
removeAll: function() {
this._grid.destroyAll();
},
loadApps: function() {
let mostUsed = this._usage.get_most_used ("");
let hasUsefulData = this.hasUsefulData();
this._noFrequentAppsLabel.visible = !hasUsefulData;
if(!hasUsefulData)
return;
for (let i = 0; i < mostUsed.length; i++) {
if (!mostUsed[i].get_app_info().should_show())
continue;
let appIcon = new AppIcon(mostUsed[i]);
this._grid.addItem(appIcon, -1);
}
},
// Called before allocation to calculate dynamic spacing
adaptToSize: function(width, height) {
let box = new Clutter.ActorBox();
box.x1 = box.y1 = 0;
box.x2 = width;
box.y2 = height;
box = this.actor.get_theme_node().get_content_box(box);
box = this._grid.actor.get_theme_node().get_content_box(box);
let availWidth = box.x2 - box.x1;
let availHeight = box.y2 - box.y1;
this._grid.adaptToSize(availWidth, availHeight);
}
});
const Views = {
FREQUENT: 0,
ALL: 1
};
const ControlsBoxLayout = Lang.Class({
Name: 'ControlsBoxLayout',
Extends: Clutter.BoxLayout,
/**
* Override the BoxLayout behavior to use the maximum preferred width of all
* buttons for each child
*/
vfunc_get_preferred_width: function(container, forHeight) {
let maxMinWidth = 0;
let maxNaturalWidth = 0;
for (let child = container.get_first_child();
child;
child = child.get_next_sibling()) {
let [minWidth, natWidth] = child.get_preferred_width(forHeight);
maxMinWidth = Math.max(maxMinWidth, minWidth);
maxNaturalWidth = Math.max(maxNaturalWidth, natWidth);
}
let childrenCount = container.get_n_children();
let totalSpacing = this.spacing * (childrenCount - 1);
return [maxMinWidth * childrenCount + totalSpacing,
maxNaturalWidth * childrenCount + totalSpacing];
}
});
const ViewStackLayout = new Lang.Class({
Name: 'ViewStackLayout',
Extends: Clutter.BinLayout,
vfunc_allocate: function (actor, box, flags) {
let availWidth = box.x2 - box.x1;
let availHeight = box.y2 - box.y1;
// Prepare children of all views for the upcoming allocation, calculate all
// the needed values to adapt available size
this.emit('allocated-size-changed', availWidth, availHeight);
this.parent(actor, box, flags);
}
});
Signals.addSignalMethods(ViewStackLayout.prototype);
const AppDisplay = new Lang.Class({
Name: 'AppDisplay',
_init: function() {
Shell.AppSystem.get_default().connect('installed-changed', Lang.bind(this, function() {
Main.queueDeferredWork(this._allAppsWorkId);
}));
Main.overview.connect('showing', Lang.bind(this, function() {
Main.queueDeferredWork(this._frequentAppsWorkId);
}));
global.settings.connect('changed::app-folder-categories', Lang.bind(this, function() {
Main.queueDeferredWork(this._allAppsWorkId);
}));
this._privacySettings = new Gio.Settings({ schema: 'org.gnome.desktop.privacy' });
this._privacySettings.connect('changed::remember-app-usage',
Lang.bind(this, this._updateFrequentVisibility));
this._views = [];
let view, button;
view = new FrequentView();
button = new St.Button({ label: _("Frequent"),
style_class: 'app-view-control',
can_focus: true,
x_expand: true });
this._views[Views.FREQUENT] = { 'view': view, 'control': button };
view = new AllView();
button = new St.Button({ label: _("All"),
style_class: 'app-view-control',
can_focus: true,
x_expand: true });
this._views[Views.ALL] = { 'view': view, 'control': button };
this.actor = new St.BoxLayout ({ style_class: 'app-display',
x_expand: true, y_expand: true,
vertical: true });
this._viewStackLayout = new ViewStackLayout();
this._viewStack = new St.Widget({ x_expand: true, y_expand: true,
layout_manager: this._viewStackLayout });
this._viewStackLayout.connect('allocated-size-changed', Lang.bind(this, this._onAllocatedSizeChanged));
this.actor.add_actor(this._viewStack, { expand: true });
let layout = new ControlsBoxLayout({ homogeneous: true });
this._controls = new St.Widget({ style_class: 'app-view-controls',
layout_manager: layout });
layout.hookup_style(this._controls);
this.actor.add_actor(new St.Bin({ child: this._controls }));
for (let i = 0; i < this._views.length; i++) {
this._viewStack.add_actor(this._views[i].view.actor);
this._controls.add_actor(this._views[i].control);
let viewIndex = i;
this._views[i].control.connect('clicked', Lang.bind(this,
function(actor) {
this._showView(viewIndex);
global.settings.set_uint('app-picker-view', viewIndex);
}));
}
let initialView = Math.min(global.settings.get_uint('app-picker-view'),
this._views.length - 1);
let frequentUseful = this._views[Views.FREQUENT].view.hasUsefulData();
if (initialView == Views.FREQUENT && !frequentUseful)
initialView = Views.ALL;
this._showView(initialView);
this._updateFrequentVisibility();
// We need a dummy actor to catch the keyboard focus if the
// user Ctrl-Alt-Tabs here before the deferred work creates
// our real contents
this._focusDummy = new St.Bin({ can_focus: true });
this._viewStack.add_actor(this._focusDummy);
this._allAppsWorkId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._redisplayAllApps));
this._frequentAppsWorkId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._redisplayFrequentApps));
},
_showView: function(activeIndex) {
for (let i = 0; i < this._views.length; i++) {
let actor = this._views[i].view.actor;
let params = { time: OverviewControls.SIDE_CONTROLS_ANIMATION_TIME,
opacity: (i == activeIndex) ? 255 : 0 };
if (i == activeIndex)
actor.visible = true;
else
params.onComplete = function() { actor.hide(); };
Tweener.addTween(actor, params);
if (i == activeIndex)
this._views[i].control.add_style_pseudo_class('checked');
else
this._views[i].control.remove_style_pseudo_class('checked');
}
},
_updateFrequentVisibility: function() {
let enabled = this._privacySettings.get_boolean('remember-app-usage');
this._views[Views.FREQUENT].control.visible = enabled;
let visibleViews = this._views.filter(function(v) {
return v.control.visible;
});
this._controls.visible = visibleViews.length > 1;
if (!enabled && this._views[Views.FREQUENT].view.actor.visible)
this._showView(Views.ALL);
},
_redisplay: function() {
this._redisplayFrequentApps();
this._redisplayAllApps();
},
_redisplayFrequentApps: function() {
let view = this._views[Views.FREQUENT].view;
view.removeAll();
view.loadApps();
},
_redisplayAllApps: function() {
let view = this._views[Views.ALL].view;
view.removeAll();
let tree = new GMenu.Tree({ menu_basename: "applications.menu" });
tree.load_sync();
let root = tree.get_root_directory();
let iter = root.iter();
let nextType;
let folderCategories = global.settings.get_strv('app-folder-categories');
while ((nextType = iter.next()) != GMenu.TreeItemType.INVALID) {
if (nextType == GMenu.TreeItemType.DIRECTORY) {
let dir = iter.get_directory();
if (folderCategories.indexOf(dir.get_menu_id()) != -1)
view.addFolder(dir);
else
_loadCategory(dir, view);
}
}
view.loadGrid();
if (this._focusDummy) {
let focused = this._focusDummy.has_key_focus();
this._focusDummy.destroy();
this._focusDummy = null;
if (focused)
this.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
}
},
selectApp: function(id) {
this._showView(Views.ALL);
this._views[Views.ALL].view.selectApp(id);
},
_onAllocatedSizeChanged: function(actor, width, height) {
let box = new Clutter.ActorBox();
box.x1 = box.y1 =0;
box.x2 = width;
box.y2 = height;
box = this._viewStack.get_theme_node().get_content_box(box);
let availWidth = box.x2 - box.x1;
let availHeight = box.y2 - box.y1;
for (let i = 0; i < this._views.length; i++)
this._views[i].view.adaptToSize(availWidth, availHeight);
}
})
const AppSearchProvider = new Lang.Class({
Name: 'AppSearchProvider',
_init: function() {
this._appSys = Shell.AppSystem.get_default();
this.id = 'applications';
},
getResultMetas: function(apps, callback) {
let metas = [];
for (let i = 0; i < apps.length; i++) {
let app = this._appSys.lookup_app(apps[i]);
metas.push({ 'id': app.get_id(),
'name': app.get_name(),
'createIcon': function(size) {
return app.create_icon_texture(size);
}
});
}
callback(metas);
},
filterResults: function(results, maxNumber) {
return results.slice(0, maxNumber);
},
getInitialResultSet: function(terms, callback, cancellable) {
let query = terms.join(' ');
let groups = Gio.DesktopAppInfo.search(query);
let usage = Shell.AppUsage.get_default();
let results = [];
groups.forEach(function(group) {
group = group.filter(function(appID) {
let app = Gio.DesktopAppInfo.new(appID);
return app && app.should_show();
});
results = results.concat(group.sort(function(a, b) {
return usage.compare('', a, b);
}));
});
callback(results);
},
getSubsearchResultSet: function(previousResults, terms, callback, cancellable) {
this.getInitialResultSet(terms, callback, cancellable);
},
activateResult: function(result) {
let app = this._appSys.lookup_app(result);
let event = Clutter.get_current_event();
let modifiers = event ? event.get_state() : 0;
let openNewWindow = (modifiers & Clutter.ModifierType.CONTROL_MASK) || _isTerminal(app);
if (openNewWindow)
app.open_new_window(-1);
else
app.activate();
},
dragActivateResult: function(id, params) {
params = Params.parse(params, { workspace: -1,
timestamp: 0 });
let app = this._appSys.lookup_app(id);
app.open_new_window(workspace);
},
createResultObject: function (resultMeta) {
let app = this._appSys.lookup_app(resultMeta['id']);
return new AppIcon(app);
}
});
const FolderView = new Lang.Class({
Name: 'FolderView',
Extends: BaseAppView,
_init: function() {
this.parent(null, null);
// If it not expand, the parent doesn't take into account its preferred_width when allocating
// the second time it allocates, so we apply the "Standard hack for ClutterBinLayout"
this._grid.actor.x_expand = true;
this.actor = new St.ScrollView({ overlay_scrollbars: true });
this.actor.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC);
let scrollableContainer = new St.BoxLayout({ vertical: true, reactive: true });
scrollableContainer.add_actor(this._grid.actor);
this.actor.add_actor(scrollableContainer);
let action = new Clutter.PanAction({ interpolate: true });
action.connect('pan', Lang.bind(this, this._onPan));
this.actor.add_action(action);
},
addApp: function(app) {
let icon = new AppIcon(app);
this._addItem(icon);
},
createFolderIcon: function(size) {
let icon = new St.Widget({ layout_manager: new Clutter.BinLayout(),
style_class: 'app-folder-icon',
width: size, height: size });
let subSize = Math.floor(FOLDER_SUBICON_FRACTION * size);
let aligns = [ Clutter.ActorAlign.START, Clutter.ActorAlign.END ];
for (let i = 0; i < Math.min(this._allItems.length, 4); i++) {
let texture = this._allItems[i].app.create_icon_texture(subSize);
let bin = new St.Bin({ child: texture,
x_expand: true, y_expand: true });
bin.set_x_align(aligns[i % 2]);
bin.set_y_align(aligns[Math.floor(i / 2)]);
icon.add_actor(bin);
}
return icon;
},
_onPan: function(action) {
let [dist, dx, dy] = action.get_motion_delta(0);
let adjustment = this.actor.vscroll.adjustment;
adjustment.value -= (dy / this.actor.height) * adjustment.page_size;
return false;
},
adaptToSize: function(width, height) {
this._parentAvailableWidth = width;
this._parentAvailableHeight = height;
this._grid.adaptToSize(width, height);
// To avoid the fade effect being applied to the unscrolled grid,
// the offset would need to be applied after adjusting the padding;
// however the final padding is expected to be too small for the
// effect to look good, so use the unadjusted padding
let fadeOffset = Math.min(this._grid.topPadding,
this._grid.bottomPadding);
this.actor.update_fade_effect(fadeOffset, 0);
// Set extra padding to avoid popup or close button being cut off
this._grid.topPadding = Math.max(this._grid.topPadding - this._offsetForEachSide, 0);
this._grid.bottomPadding = Math.max(this._grid.bottomPadding - this._offsetForEachSide, 0);
this._grid.leftPadding = Math.max(this._grid.leftPadding - this._offsetForEachSide, 0);
this._grid.rightPadding = Math.max(this._grid.rightPadding - this._offsetForEachSide, 0);
this.actor.set_width(this.usedWidth());
this.actor.set_height(this.usedHeight());
},
_getPageAvailableSize: function() {
let pageBox = new Clutter.ActorBox();
pageBox.x1 = pageBox.y1 = 0;
pageBox.x2 = this._parentAvailableWidth;
pageBox.y2 = this._parentAvailableHeight;
let contentBox = this.actor.get_theme_node().get_content_box(pageBox);
// We only can show icons inside the collection view boxPointer
// so we have to substract the required padding etc of the boxpointer
return [(contentBox.x2 - contentBox.x1) - 2 * this._offsetForEachSide, (contentBox.y2 - contentBox.y1) - 2 * this._offsetForEachSide];
},
usedWidth: function() {
let [availWidthPerPage, availHeightPerPage] = this._getPageAvailableSize();
return this._grid.usedWidth(availWidthPerPage);
},
usedHeight: function() {
return this._grid.usedHeightForNRows(this.nRowsDisplayedAtOnce());
},
nRowsDisplayedAtOnce: function() {
let [availWidthPerPage, availHeightPerPage] = this._getPageAvailableSize();
let maxRows = this._grid.rowsForHeight(availHeightPerPage) - 1;
return Math.min(this._grid.nRows(availWidthPerPage), maxRows);
},
setPaddingOffsets: function(offset) {
this._offsetForEachSide = offset;
}
});
const FolderIcon = new Lang.Class({
Name: 'FolderIcon',
_init: function(dir, parentView) {
this._dir = dir;
this.id = dir.get_menu_id();
this.name = dir.get_name();
this._parentView = parentView;
this.actor = new St.Button({ style_class: 'app-well-app app-folder',
button_mask: St.ButtonMask.ONE,
toggle_mode: true,
can_focus: true,
x_fill: true,
y_fill: true });
this.actor._delegate = this;
// whether we need to update arrow side, position etc.
this._popupInvalidated = false;
this.icon = new IconGrid.BaseIcon(this.name,
{ createIcon: Lang.bind(this, this._createIcon), setSizeManually: true });
this.actor.set_child(this.icon.actor);
this.actor.label_actor = this.icon.label;
this.view = new FolderView();
_loadCategory(dir, this.view);
this.view.loadGrid();
this.actor.connect('clicked', Lang.bind(this,
function() {
this._ensurePopup();
this.view.actor.vscroll.adjustment.value = 0;
this._openSpaceForPopup();
}));
this.actor.connect('notify::mapped', Lang.bind(this,
function() {
if (!this.actor.mapped && this._popup)
this._popup.popdown();
}));
},
_createIcon: function(iconSize) {
return this.view.createFolderIcon(iconSize, this);
},
_popupHeight: function() {
let usedHeight = this.view.usedHeight() + this._popup.getOffset(St.Side.TOP) + this._popup.getOffset(St.Side.BOTTOM);
return usedHeight;
},
_openSpaceForPopup: function() {
let id = this._parentView.connect('space-ready', Lang.bind(this,
function() {
this._parentView.disconnect(id);
this._popup.popup();
this._updatePopupPosition();
}));
this._parentView.openSpaceForPopup(this, this._boxPointerArrowside, this.view.nRowsDisplayedAtOnce());
},
_calculateBoxPointerArrowSide: function() {
let spaceTop = this.actor.y - this._parentView.getCurrentPageY();
let spaceBottom = this._parentView.actor.height - (spaceTop + this.actor.height);
return spaceTop > spaceBottom ? St.Side.BOTTOM : St.Side.TOP;
},
_updatePopupSize: function() {
// StWidget delays style calculation until needed, make sure we use the correct values
this.view._grid.actor.ensure_style();
let offsetForEachSide = Math.ceil((this._popup.getOffset(St.Side.TOP) +
this._popup.getOffset(St.Side.BOTTOM) -
this._popup.getCloseButtonOverlap()) / 2);
// Add extra padding to prevent boxpointer decorations and close button being cut off
this.view.setPaddingOffsets(offsetForEachSide);
this.view.adaptToSize(this._parentAvailableWidth, this._parentAvailableHeight);
},
_updatePopupPosition: function() {
if (!this._popup)
return;
if (this._boxPointerArrowside == St.Side.BOTTOM)
this._popup.actor.y = this.actor.allocation.y1 + this.actor.translation_y - this._popupHeight();
else
this._popup.actor.y = this.actor.allocation.y1 + this.actor.translation_y + this.actor.height;
},
_ensurePopup: function() {
if (this._popup && !this._popupInvalidated)
return;
this._boxPointerArrowside = this._calculateBoxPointerArrowSide();
if (!this._popup) {
this._popup = new AppFolderPopup(this, this._boxPointerArrowside);
this._parentView.addFolderPopup(this._popup);
this._popup.connect('open-state-changed', Lang.bind(this,
function(popup, isOpen) {
if (!isOpen)
this.actor.checked = false;
}));
} else {
this._popup.updateArrowSide(this._boxPointerArrowside);
}
this._updatePopupSize();
this._updatePopupPosition();
this._popupInvalidated = false;
},
adaptToSize: function(width, height) {
this._parentAvailableWidth = width;
this._parentAvailableHeight = height;
if(this._popup)
this.view.adaptToSize(width, height);
this._popupInvalidated = true;
},
});
const AppFolderPopup = new Lang.Class({
Name: 'AppFolderPopup',
_init: function(source, side) {
this._source = source;
this._view = source.view;
this._arrowSide = side;
this._isOpen = false;
this.parentOffset = 0;
this.actor = new St.Widget({ layout_manager: new Clutter.BinLayout(),
visible: false,
// We don't want to expand really, but look
// at the layout manager of our parent...
//
// DOUBLE HACK: if you set one, you automatically
// get the effect for the other direction too, so
// we need to set the y_align
x_expand: true,
y_expand: true,
x_align: Clutter.ActorAlign.CENTER,
y_align: Clutter.ActorAlign.START });
this._boxPointer = new BoxPointer.BoxPointer(this._arrowSide,
{ style_class: 'app-folder-popup-bin',
x_fill: true,
y_fill: true,
x_expand: true,
x_align: St.Align.START });
this._boxPointer.actor.style_class = 'app-folder-popup';
this.actor.add_actor(this._boxPointer.actor);
this._boxPointer.bin.set_child(this._view.actor);
this.closeButton = Util.makeCloseButton(this._boxPointer);
this.closeButton.connect('clicked', Lang.bind(this, this.popdown));
this.actor.add_actor(this.closeButton);
this._boxPointer.actor.bind_property('opacity', this.closeButton, 'opacity',
GObject.BindingFlags.SYNC_CREATE);
global.focus_manager.add_group(this.actor);
source.actor.connect('destroy', Lang.bind(this,
function() {
this.actor.destroy();
}));
this.actor.connect('key-press-event', Lang.bind(this, this._onKeyPress));
},
_onKeyPress: function(actor, event) {
if (!this._isOpen)
return Clutter.EVENT_PROPAGATE;
if (event.get_key_symbol() != Clutter.KEY_Escape)
return Clutter.EVENT_PROPAGATE;
this.popdown();
return Clutter.EVENT_STOP;
},
toggle: function() {
if (this._isOpen)
this.popdown();
else
this.popup();
},
popup: function() {
if (this._isOpen)
return;
this.actor.show();
this._boxPointer.setArrowActor(this._source.actor);
this._boxPointer.show(BoxPointer.PopupAnimation.FADE |
BoxPointer.PopupAnimation.SLIDE);
this.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
this._isOpen = true;
this.emit('open-state-changed', true);
},
popdown: function() {
if (!this._isOpen)
return;
this._boxPointer.hide(BoxPointer.PopupAnimation.FADE |
BoxPointer.PopupAnimation.SLIDE);
this._isOpen = false;
this.emit('open-state-changed', false);
},
getCloseButtonOverlap: function() {
return this.closeButton.get_theme_node().get_length('-shell-close-overlap-y');
},
getOffset: function (side) {
let offset = this._boxPointer.getPadding(side);
if (this._arrowSide == side)
offset += this._boxPointer.getArrowHeight();
return offset;
},
updateArrowSide: function (side) {
this._arrowSide = side;
this._boxPointer.updateArrowSide(side);
}
});
Signals.addSignalMethods(AppFolderPopup.prototype);
const AppIcon = new Lang.Class({
Name: 'AppIcon',
_init : function(app, iconParams) {
this.app = app;
this.id = app.get_id();
this.name = app.get_name();
this.actor = new St.Button({ style_class: 'app-well-app',
reactive: true,
button_mask: St.ButtonMask.ONE | St.ButtonMask.TWO,
can_focus: true,
x_fill: true,
y_fill: true });
this.actor._delegate = this;
if (!iconParams)
iconParams = {};
iconParams['createIcon'] = Lang.bind(this, this._createIcon);
iconParams['setSizeManually'] = true;
this.icon = new IconGrid.BaseIcon(app.get_name(), iconParams);
this.actor.set_child(this.icon.actor);
this.actor.label_actor = this.icon.label;
this.actor.connect('button-press-event', Lang.bind(this, this._onButtonPress));
this.actor.connect('clicked', Lang.bind(this, this._onClicked));
this.actor.connect('popup-menu', Lang.bind(this, this._onKeyboardPopupMenu));
this._menu = null;
this._menuManager = new PopupMenu.PopupMenuManager(this);
this._draggable = DND.makeDraggable(this.actor);
this._draggable.connect('drag-begin', Lang.bind(this,
function () {
this._removeMenuTimeout();
Main.overview.beginItemDrag(this);
}));
this._draggable.connect('drag-cancelled', Lang.bind(this,
function () {
Main.overview.cancelledItemDrag(this);
}));
this._draggable.connect('drag-end', Lang.bind(this,
function () {
Main.overview.endItemDrag(this);
}));
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
this._menuTimeoutId = 0;
this._stateChangedId = this.app.connect('notify::state',
Lang.bind(this,
this._onStateChanged));
this._onStateChanged();
},
_onDestroy: function() {
if (this._stateChangedId > 0)
this.app.disconnect(this._stateChangedId);
this._stateChangedId = 0;
this._removeMenuTimeout();
},
_createIcon: function(iconSize) {
return this.app.create_icon_texture(iconSize);
},
_removeMenuTimeout: function() {
if (this._menuTimeoutId > 0) {
Mainloop.source_remove(this._menuTimeoutId);
this._menuTimeoutId = 0;
}
},
_onStateChanged: function() {
if (this.app.state != Shell.AppState.STOPPED)
this.actor.add_style_class_name('running');
else
this.actor.remove_style_class_name('running');
},
_onButtonPress: function(actor, event) {
let button = event.get_button();
if (button == 1) {
this._removeMenuTimeout();
this._menuTimeoutId = Mainloop.timeout_add(MENU_POPUP_TIMEOUT,
Lang.bind(this, function() {
this._menuTimeoutId = 0;
this.popupMenu();
return GLib.SOURCE_REMOVE;
}));
} else if (button == 3) {
this.popupMenu();
return Clutter.EVENT_STOP;
}
return Clutter.EVENT_PROPAGATE;
},
_onClicked: function(actor, button) {
this._removeMenuTimeout();
if (button == 1) {
this._onActivate(Clutter.get_current_event());
} else if (button == 2) {
// Last workspace is always empty
let launchWorkspace = global.screen.get_workspace_by_index(global.screen.n_workspaces - 1);
launchWorkspace.activate(global.get_current_time());
this.app.open_new_window(-1);
Main.overview.hide();
}
return false;
},
_onKeyboardPopupMenu: function() {
this.popupMenu();
this._menu.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
},
getId: function() {
return this.app.get_id();
},
popupMenu: function() {
this._removeMenuTimeout();
this.actor.fake_release();
this._draggable.fakeRelease();
if (!this._menu) {
this._menu = new AppIconMenu(this);
this._menu.connect('activate-window', Lang.bind(this, function (menu, window) {
this.activateWindow(window);
}));
this._menu.connect('open-state-changed', Lang.bind(this, function (menu, isPoppedUp) {
if (!isPoppedUp)
this._onMenuPoppedDown();
}));
Main.overview.connect('hiding', Lang.bind(this, function () { this._menu.close(); }));
this._menuManager.addMenu(this._menu);
}
this.emit('menu-state-changed', true);
this.actor.set_hover(true);
this._menu.popup();
this._menuManager.ignoreRelease();
this.emit('sync-tooltip');
return false;
},
activateWindow: function(metaWindow) {
if (metaWindow) {
Main.activateWindow(metaWindow);
} else {
Main.overview.hide();
}
},
_onMenuPoppedDown: function() {
this.actor.sync_hover();
this.emit('menu-state-changed', false);
},
_onActivate: function (event) {
let modifiers = event.get_state();
if ((modifiers & Clutter.ModifierType.CONTROL_MASK
&& this.app.state == Shell.AppState.RUNNING)
|| _isTerminal(this.app)) {
this.app.open_new_window(-1);
} else {
this.app.activate();
}
Main.overview.hide();
},
shellWorkspaceLaunch : function(params) {
params = Params.parse(params, { workspace: -1,
timestamp: 0 });
this.app.open_new_window(params.workspace);
},
getDragActor: function() {
return this.app.create_icon_texture(Main.overview.dashIconSize);
},
// Returns the original actor that should align with the actor
// we show as the item is being dragged.
getDragActorSource: function() {
return this.icon.icon;
},
shouldShowTooltip: function() {
return this.actor.hover && (!this._menu || !this._menu.isOpen);
},
});
Signals.addSignalMethods(AppIcon.prototype);
const AppIconMenu = new Lang.Class({
Name: 'AppIconMenu',
Extends: PopupMenu.PopupMenu,
_init: function(source) {
let side = St.Side.LEFT;
if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL)
side = St.Side.RIGHT;
this.parent(source.actor, 0.5, side);
// We want to keep the item hovered while the menu is up
this.blockSourceEvents = true;
this._source = source;
this.connect('activate', Lang.bind(this, this._onActivate));
this.actor.add_style_class_name('app-well-menu');
// 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, function () { this.actor.destroy(); }));
Main.uiGroup.add_actor(this.actor);
},
_redisplay: function() {
this.removeAll();
let windows = this._source.app.get_windows().filter(function(w) {
return Shell.WindowTracker.is_window_interesting(w);
});
// Display the app windows menu items and the separator between windows
// of the current desktop and other windows.
let activeWorkspace = global.screen.get_active_workspace();
let separatorShown = windows.length > 0 && windows[0].get_workspace() != activeWorkspace;
for (let i = 0; i < windows.length; i++) {
if (!separatorShown && windows[i].get_workspace() != activeWorkspace) {
this._appendSeparator();
separatorShown = true;
}
let item = this._appendMenuItem(windows[i].title);
item._window = windows[i];
}
if (!this._source.app.is_window_backed()) {
if (windows.length > 0)
this._appendSeparator();
let isFavorite = AppFavorites.getAppFavorites().isFavorite(this._source.app.get_id());
this._newWindowMenuItem = this._appendMenuItem(_("New Window"));
this._appendSeparator();
this._toggleFavoriteMenuItem = this._appendMenuItem(isFavorite ? _("Remove from Favorites")
: _("Add to Favorites"));
}
},
_appendSeparator: function () {
let separator = new PopupMenu.PopupSeparatorMenuItem();
this.addMenuItem(separator);
},
_appendMenuItem: function(labelText) {
// FIXME: app-well-menu-item style
let item = new PopupMenu.PopupMenuItem(labelText);
this.addMenuItem(item);
return item;
},
popup: function(activatingButton) {
this._redisplay();
this.open();
},
_onActivate: function (actor, child) {
if (child._window) {
let metaWindow = child._window;
this.emit('activate-window', metaWindow);
} else if (child == this._newWindowMenuItem) {
this._source.app.open_new_window(-1);
this.emit('activate-window', null);
} else if (child == this._toggleFavoriteMenuItem) {
let favs = AppFavorites.getAppFavorites();
let isFavorite = favs.isFavorite(this._source.app.get_id());
if (isFavorite)
favs.removeFavorite(this._source.app.get_id());
else
favs.addFavorite(this._source.app.get_id());
}
this.close();
}
});
Signals.addSignalMethods(AppIconMenu.prototype);
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