gnome-shell/js/ui/appDisplay.js
Florian Müllner b222d0fe44 appDisplay: Add some spacing in folder icons
With the switch to a table layout in commit f959cafb36, setting
alignments to place the individual icons at the outer edge of the grid
stopped working. Remove that code and add some explicit spacing instead.

https://bugzilla.gnome.org/show_bug.cgi?id=726323
2014-03-14 17:21:57 +01:00

1604 lines
57 KiB
JavaScript

// -*- 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 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;
const VIEWS_SWITCH_TIME = 0.4;
const VIEWS_SWITCH_ANIMATION_DELAY = 0.1;
function _getCategories(info) {
let categoriesStr = info.get_categories();
if (!categoriesStr)
return [];
return categoriesStr.split(';');
}
function _listsIntersect(a, b) {
for (let itemA of a)
if (b.indexOf(itemA) >= 0)
return true;
return false;
}
function _getFolderName(folder) {
let name = folder.get_string('name');
if (folder.get_boolean('translate')) {
let keyfile = new GLib.KeyFile();
let path = 'desktop-directories/' + name;
try {
keyfile.load_from_data_dirs(path, GLib.KeyFileFlags.NONE);
name = keyfile.get_locale_string('Desktop Entry', 'Name', null);
} catch(e) {
return name;
}
}
return name;
}
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 = [];
},
_redisplay: function() {
this.removeAll();
this._loadApps();
},
getAllItems: function() {
return this._allItems;
},
addItem: function(icon) {
let id = icon.id;
if (this._items[id] !== undefined)
return;
this._allItems.push(icon);
this._items[id] = icon;
},
_compareItems: function(a, b) {
return a.name.localeCompare(b.name);
},
loadGrid: function() {
this._allItems.sort(this._compareItems);
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',
delay: VIEWS_SWITCH_ANIMATION_DELAY
});
}
}
});
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;
}
}));
this._redisplayWorkId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._redisplay));
Shell.AppSystem.get_default().connect('installed-changed', Lang.bind(this, function() {
Main.queueDeferredWork(this._redisplayWorkId);
}));
this._folderSettings = new Gio.Settings({ schema: 'org.gnome.desktop.app-folders' });
this._folderSettings.connect('changed::folder-children', Lang.bind(this, function() {
Main.queueDeferredWork(this._redisplayWorkId);
}));
},
removeAll: function() {
this.folderIcons = [];
this.parent();
},
_itemNameChanged: function(item) {
// If an item's name changed, we can pluck it out of where it's
// supposed to be and reinsert it where it's sorted.
let oldIdx = this._allItems.indexOf(item);
this._allItems.splice(oldIdx, 1);
let newIdx = Util.insertSorted(this._allItems, item, this._compareItems);
this._grid.removeItem(item);
this._grid.addItem(item, newIdx);
},
_refilterApps: function() {
this._allItems.forEach(function(icon) {
if (icon instanceof AppIcon)
icon.actor.visible = true;
});
this.folderIcons.forEach(Lang.bind(this, function(folder) {
let folderApps = folder.getAppIds();
folderApps.forEach(Lang.bind(this, function(appId) {
let appIcon = this._items[appId];
appIcon.actor.visible = false;
}));
}));
},
_loadApps: function() {
let apps = Gio.AppInfo.get_all().filter(function(appInfo) {
return appInfo.should_show();
}).map(function(app) {
return app.get_id();
});
let appSys = Shell.AppSystem.get_default();
let folders = this._folderSettings.get_strv('folder-children');
folders.forEach(Lang.bind(this, function(id) {
let path = this._folderSettings.path + 'folders/' + id + '/';
let icon = new FolderIcon(id, path, this);
icon.connect('name-changed', Lang.bind(this, this._itemNameChanged));
icon.connect('apps-changed', Lang.bind(this, this._refilterApps));
this.addItem(icon);
this.folderIcons.push(icon);
}));
apps.forEach(Lang.bind(this, function(appId) {
let app = appSys.lookup_app(appId);
let icon = new AppIcon(app);
this.addItem(icon);
}));
this.loadGrid();
this._refilterApps();
},
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;
},
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();
this.actor.connect('notify::mapped', Lang.bind(this, function() {
if (this.actor.mapped)
this._redisplay();
}));
},
hasUsefulData: function() {
return this._usage.get_most_used("").length >= MIN_FREQUENT_APPS_COUNT;
},
_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() {
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();
},
_showView: function(activeIndex) {
for (let i = 0; i < this._views.length; i++) {
let actor = this._views[i].view.actor;
let params = { time: VIEWS_SWITCH_TIME,
opacity: (i == activeIndex) ? 255 : 0,
delay: (i == activeIndex) ? VIEWS_SWITCH_ANIMATION_DELAY : 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);
},
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;
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);
},
createFolderIcon: function(size) {
let layout = new Clutter.TableLayout();
let icon = new St.Widget({ layout_manager: layout,
style_class: 'app-folder-icon' });
layout.hookup_style(icon);
let subSize = Math.floor(FOLDER_SUBICON_FRACTION * size);
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 });
layout.pack(bin, i % 2, Math.floor(i / 2));
}
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(id, path, parentView) {
this.id = id;
this._parentView = parentView;
this._folder = new Gio.Settings({ schema_id: 'org.gnome.desktop.app-folders.folder',
path: path });
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('', { 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();
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();
}));
this._folder.connect('changed', Lang.bind(this, this._redisplay));
this._redisplay();
},
getAppIds: function() {
return this.view.getAllItems().map(function(item) {
return item.id;
});
},
_updateName: function() {
let name = _getFolderName(this._folder);
if (this.name == name)
return;
this.name = name;
this.icon.label.text = this.name;
this.emit('name-changed');
},
_redisplay: function() {
this._updateName();
this.view.removeAll();
let excludedApps = this._folder.get_strv('excluded-apps');
let appSys = Shell.AppSystem.get_default();
let addAppId = (function addAppId(appId) {
if (excludedApps.indexOf(appId) >= 0)
return;
let app = appSys.lookup_app(appId);
if (!app)
return;
if (!app.get_app_info().should_show())
return;
let icon = new AppIcon(app);
this.view.addItem(icon);
}).bind(this);
let folderApps = this._folder.get_strv('apps');
folderApps.forEach(addAppId);
let folderCategories = this._folder.get_strv('categories');
Gio.AppInfo.get_all().forEach(function(appInfo) {
let appCategories = _getCategories(appInfo);
if (!_listsIntersect(folderCategories, appCategories))
return;
addAppId(appInfo.get_id());
});
this.view.loadGrid();
this.emit('apps-changed');
},
_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;
},
});
Signals.addSignalMethods(FolderIcon.prototype);
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) {
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) {
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.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 !w.skip_taskbar;
});
// 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++) {
let window = windows[i];
if (!separatorShown && window.get_workspace() != activeWorkspace) {
this._appendSeparator();
separatorShown = true;
}
let item = this._appendMenuItem(window.title);
item.connect('activate', Lang.bind(this, function() {
this.emit('activate-window', window);
}));
}
if (!this._source.app.is_window_backed()) {
this._appendSeparator();
this._newWindowMenuItem = this._appendMenuItem(_("New Window"));
this._newWindowMenuItem.connect('activate', Lang.bind(this, function() {
this._source.app.open_new_window(-1);
this.emit('activate-window', null);
}));
this._appendSeparator();
let appInfo = this._source.app.get_app_info();
let actions = appInfo.list_actions();
for (let i = 0; i < actions.length; i++) {
let action = actions[i];
let item = this._appendMenuItem(appInfo.get_action_name(action));
item.connect('activate', Lang.bind(this, function(emitter, event) {
this._source.app.launch_action(action, event.get_time(), -1);
this.emit('activate-window', null);
}));
}
this._appendSeparator();
let isFavorite = AppFavorites.getAppFavorites().isFavorite(this._source.app.get_id());
if (isFavorite) {
let item = this._appendMenuItem(_("Remove from Favorites"));
item.connect('activate', Lang.bind(this, function() {
let favs = AppFavorites.getAppFavorites();
favs.removeFavorite(this._source.app.get_id());
}));
} else {
let item = this._appendMenuItem(_("Add to Favorites"));
item.connect('activate', Lang.bind(this, function() {
let favs = AppFavorites.getAppFavorites();
favs.addFavorite(this._source.app.get_id());
}));
}
}
},
_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();
}
});
Signals.addSignalMethods(AppIconMenu.prototype);