gnome-shell/js/ui/panel.js
Florian Müllner 785c813771 status: Add nightLight indicator
The display configuration now exposes a setting to automatically
shift the display color at nighttime. As there are cases where
disabling the filtering temporarily is useful, it makes sense to
expose the feature in the system menu for quick access.

https://bugzilla.gnome.org/show_bug.cgi?id=741224
2017-02-15 23:20:14 +01:00

1125 lines
39 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Cairo = imports.cairo;
const Clutter = imports.gi.Clutter;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Meta = imports.gi.Meta;
const Pango = imports.gi.Pango;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Signals = imports.signals;
const Atk = imports.gi.Atk;
const Animation = imports.ui.animation;
const Config = imports.misc.config;
const CtrlAltTab = imports.ui.ctrlAltTab;
const DND = imports.ui.dnd;
const Overview = imports.ui.overview;
const PopupMenu = imports.ui.popupMenu;
const PanelMenu = imports.ui.panelMenu;
const RemoteMenu = imports.ui.remoteMenu;
const Main = imports.ui.main;
const Tweener = imports.ui.tweener;
const PANEL_ICON_SIZE = 16;
const APP_MENU_ICON_MARGIN = 0;
const BUTTON_DND_ACTIVATION_TIMEOUT = 250;
const SPINNER_ANIMATION_TIME = 1.0;
// To make sure the panel corners blend nicely with the panel,
// we draw background and borders the same way, e.g. drawing
// them as filled shapes from the outside inwards instead of
// using cairo stroke(). So in order to give the border the
// appearance of being drawn on top of the background, we need
// to blend border and background color together.
// For that purpose we use the following helper methods, taken
// from st-theme-node-drawing.c
function _norm(x) {
return Math.round(x / 255);
}
function _over(srcColor, dstColor) {
let src = _premultiply(srcColor);
let dst = _premultiply(dstColor);
let result = new Clutter.Color();
result.alpha = src.alpha + _norm((255 - src.alpha) * dst.alpha);
result.red = src.red + _norm((255 - src.alpha) * dst.red);
result.green = src.green + _norm((255 - src.alpha) * dst.green);
result.blue = src.blue + _norm((255 - src.alpha) * dst.blue);
return _unpremultiply(result);
}
function _premultiply(color) {
return new Clutter.Color({ red: _norm(color.red * color.alpha),
green: _norm(color.green * color.alpha),
blue: _norm(color.blue * color.alpha),
alpha: color.alpha });
};
function _unpremultiply(color) {
if (color.alpha == 0)
return new Clutter.Color();
let red = Math.min((color.red * 255 + 127) / color.alpha, 255);
let green = Math.min((color.green * 255 + 127) / color.alpha, 255);
let blue = Math.min((color.blue * 255 + 127) / color.alpha, 255);
return new Clutter.Color({ red: red, green: green,
blue: blue, alpha: color.alpha });
};
/**
* AppMenuButton:
*
* This class manages the "application menu" component. It tracks the
* currently focused application. However, when an app is launched,
* this menu also handles startup notification for it. So when we
* have an active startup notification, we switch modes to display that.
*/
const AppMenuButton = new Lang.Class({
Name: 'AppMenuButton',
Extends: PanelMenu.Button,
_init: function(panel) {
this.parent(0.0, null, true);
this.actor.accessible_role = Atk.Role.MENU;
this._startingApps = [];
this._menuManager = panel.menuManager;
this._gtkSettings = Gtk.Settings.get_default();
this._targetApp = null;
this._appMenuNotifyId = 0;
this._actionGroupNotifyId = 0;
this._busyNotifyId = 0;
let bin = new St.Bin({ name: 'appMenu' });
bin.connect('style-changed', Lang.bind(this, this._onStyleChanged));
this.actor.add_actor(bin);
this.actor.bind_property("reactive", this.actor, "can-focus", 0);
this.actor.reactive = false;
this._container = new St.BoxLayout({ style_class: 'panel-status-menu-box' });
bin.set_child(this._container);
let textureCache = St.TextureCache.get_default();
textureCache.connect('icon-theme-changed',
Lang.bind(this, this._onIconThemeChanged));
this._iconBox = new St.Bin({ style_class: 'app-menu-icon' });
this._container.add_actor(this._iconBox);
this._label = new St.Label({ y_expand: true,
y_align: Clutter.ActorAlign.CENTER });
this._container.add_actor(this._label);
this._arrow = PopupMenu.arrowIcon(St.Side.BOTTOM);
this._container.add_actor(this._arrow);
this._visible = this._gtkSettings.gtk_shell_shows_app_menu &&
!Main.overview.visible;
if (!this._visible)
this.actor.hide();
this._overviewHidingId = Main.overview.connect('hiding', Lang.bind(this, this._sync));
this._overviewShowingId = Main.overview.connect('showing', Lang.bind(this, this._sync));
this._showsAppMenuId = this._gtkSettings.connect('notify::gtk-shell-shows-app-menu',
Lang.bind(this, this._sync));
this._stop = true;
this._spinner = null;
let tracker = Shell.WindowTracker.get_default();
let appSys = Shell.AppSystem.get_default();
this._focusAppNotifyId =
tracker.connect('notify::focus-app', Lang.bind(this, this._focusAppChanged));
this._appStateChangedSignalId =
appSys.connect('app-state-changed', Lang.bind(this, this._onAppStateChanged));
this._switchWorkspaceNotifyId =
global.window_manager.connect('switch-workspace', Lang.bind(this, this._sync));
this._sync();
},
show: function() {
if (this._visible)
return;
this._visible = true;
this.actor.reactive = true;
this.actor.show();
Tweener.removeTweens(this.actor);
Tweener.addTween(this.actor,
{ opacity: 255,
time: Overview.ANIMATION_TIME,
transition: 'easeOutQuad' });
},
hide: function() {
if (!this._visible)
return;
this._visible = false;
this.actor.reactive = false;
Tweener.removeTweens(this.actor);
Tweener.addTween(this.actor,
{ opacity: 0,
time: Overview.ANIMATION_TIME,
transition: 'easeOutQuad',
onComplete: function() {
this.actor.hide();
},
onCompleteScope: this });
},
_onStyleChanged: function(actor) {
let node = actor.get_theme_node();
let [success, icon] = node.lookup_url('spinner-image', false);
if (!success || (this._spinnerIcon && this._spinnerIcon.equal(icon)))
return;
this._spinnerIcon = icon;
this._spinner = new Animation.AnimatedIcon(this._spinnerIcon, PANEL_ICON_SIZE);
this._container.add_actor(this._spinner.actor);
this._spinner.actor.hide();
},
_syncIcon: function() {
if (!this._targetApp)
return;
let icon = this._targetApp.create_icon_texture(PANEL_ICON_SIZE - APP_MENU_ICON_MARGIN);
this._iconBox.set_child(icon);
},
_onIconThemeChanged: function() {
if (this._iconBox.child == null)
return;
this._syncIcon();
},
stopAnimation: function() {
if (this._stop)
return;
this._stop = true;
if (this._spinner == null)
return;
Tweener.addTween(this._spinner.actor,
{ opacity: 0,
time: SPINNER_ANIMATION_TIME,
transition: "easeOutQuad",
onCompleteScope: this,
onComplete: function() {
this._spinner.stop();
this._spinner.actor.opacity = 255;
this._spinner.actor.hide();
}
});
},
startAnimation: function() {
this._stop = false;
if (this._spinner == null)
return;
this._spinner.play();
this._spinner.actor.show();
},
_onAppStateChanged: function(appSys, app) {
let state = app.state;
if (state != Shell.AppState.STARTING) {
this._startingApps = this._startingApps.filter(function(a) {
return a != app;
});
} else if (state == Shell.AppState.STARTING) {
this._startingApps.push(app);
}
// For now just resync on all running state changes; this is mainly to handle
// cases where the focused window's application changes without the focus
// changing. An example case is how we map OpenOffice.org based on the window
// title which is a dynamic property.
this._sync();
},
_focusAppChanged: function() {
let tracker = Shell.WindowTracker.get_default();
let focusedApp = tracker.focus_app;
if (!focusedApp) {
// If the app has just lost focus to the panel, pretend
// nothing happened; otherwise you can't keynav to the
// app menu.
if (global.stage.key_focus != null)
return;
}
this._sync();
},
_findTargetApp: function() {
let workspace = global.screen.get_active_workspace();
let tracker = Shell.WindowTracker.get_default();
let focusedApp = tracker.focus_app;
if (focusedApp && focusedApp.is_on_workspace(workspace))
return focusedApp;
for (let i = 0; i < this._startingApps.length; i++)
if (this._startingApps[i].is_on_workspace(workspace))
return this._startingApps[i];
return null;
},
_sync: function() {
let targetApp = this._findTargetApp();
if (this._targetApp != targetApp) {
if (this._appMenuNotifyId) {
this._targetApp.disconnect(this._appMenuNotifyId);
this._appMenuNotifyId = 0;
}
if (this._actionGroupNotifyId) {
this._targetApp.disconnect(this._actionGroupNotifyId);
this._actionGroupNotifyId = 0;
}
if (this._busyNotifyId) {
this._targetApp.disconnect(this._busyNotifyId);
this._busyNotifyId = 0;
}
this._targetApp = targetApp;
if (this._targetApp) {
this._appMenuNotifyId = this._targetApp.connect('notify::menu', Lang.bind(this, this._sync));
this._actionGroupNotifyId = this._targetApp.connect('notify::action-group', Lang.bind(this, this._sync));
this._busyNotifyId = this._targetApp.connect('notify::busy', Lang.bind(this, this._sync));
this._label.set_text(this._targetApp.get_name());
this.actor.set_accessible_name(this._targetApp.get_name());
}
}
let visible = (this._targetApp != null &&
this._gtkSettings.gtk_shell_shows_app_menu &&
!Main.overview.visibleTarget);
if (visible)
this.show();
else
this.hide();
let isBusy = (this._targetApp != null &&
(this._targetApp.get_state() == Shell.AppState.STARTING ||
this._targetApp.get_busy()));
if (isBusy)
this.startAnimation();
else
this.stopAnimation();
this.actor.reactive = (visible && !isBusy);
this._syncIcon();
this._maybeSetMenu();
this.emit('changed');
},
_maybeSetMenu: function() {
let menu;
if (this._targetApp == null) {
menu = null;
} else if (this._targetApp.action_group && this._targetApp.menu) {
if (this.menu instanceof RemoteMenu.RemoteMenu &&
this.menu.actionGroup == this._targetApp.action_group)
return;
menu = new RemoteMenu.RemoteMenu(this.actor, this._targetApp.menu, this._targetApp.action_group);
menu.connect('activate', Lang.bind(this, function() {
let win = this._targetApp.get_windows()[0];
win.check_alive(global.get_current_time());
}));
} else {
if (this.menu && this.menu.isDummyQuitMenu)
return;
// fallback to older menu
menu = new PopupMenu.PopupMenu(this.actor, 0.0, St.Side.TOP, 0);
menu.isDummyQuitMenu = true;
menu.addAction(_("Quit"), Lang.bind(this, function() {
this._targetApp.request_quit();
}));
}
this.setMenu(menu);
if (menu)
this._menuManager.addMenu(menu);
},
destroy: function() {
if (this._appStateChangedSignalId > 0) {
let appSys = Shell.AppSystem.get_default();
appSys.disconnect(this._appStateChangedSignalId);
this._appStateChangedSignalId = 0;
}
if (this._focusAppNotifyId > 0) {
let tracker = Shell.WindowTracker.get_default();
tracker.disconnect(this._focusAppNotifyId);
this._focusAppNotifyId = 0;
}
if (this._overviewHidingId > 0) {
Main.overview.disconnect(this._overviewHidingId);
this._overviewHidingId = 0;
}
if (this._overviewShowingId > 0) {
Main.overview.disconnect(this._overviewShowingId);
this._overviewShowingId = 0;
}
if (this._showsAppMenuId > 0) {
this._gtkSettings.disconnect(this._showsAppMenuId);
this._showsAppMenuId = 0;
}
if (this._switchWorkspaceNotifyId > 0) {
global.window_manager.disconnect(this._switchWorkspaceNotifyId);
this._switchWorkspaceNotifyId = 0;
}
this.parent();
}
});
Signals.addSignalMethods(AppMenuButton.prototype);
const ActivitiesButton = new Lang.Class({
Name: 'ActivitiesButton',
Extends: PanelMenu.Button,
_init: function() {
this.parent(0.0, null, true);
this.actor.accessible_role = Atk.Role.TOGGLE_BUTTON;
this.actor.name = 'panelActivities';
/* Translators: If there is no suitable word for "Activities"
in your language, you can use the word for "Overview". */
this._label = new St.Label({ text: _("Activities"),
y_align: Clutter.ActorAlign.CENTER });
this.actor.add_actor(this._label);
this.actor.label_actor = this._label;
this.actor.connect('captured-event', Lang.bind(this, this._onCapturedEvent));
this.actor.connect_after('key-release-event', Lang.bind(this, this._onKeyRelease));
Main.overview.connect('showing', Lang.bind(this, function() {
this.actor.add_style_pseudo_class('overview');
this.actor.add_accessible_state (Atk.StateType.CHECKED);
}));
Main.overview.connect('hiding', Lang.bind(this, function() {
this.actor.remove_style_pseudo_class('overview');
this.actor.remove_accessible_state (Atk.StateType.CHECKED);
}));
this._xdndTimeOut = 0;
},
handleDragOver: function(source, actor, x, y, time) {
if (source != Main.xdndHandler)
return DND.DragMotionResult.CONTINUE;
if (this._xdndTimeOut != 0)
Mainloop.source_remove(this._xdndTimeOut);
this._xdndTimeOut = Mainloop.timeout_add(BUTTON_DND_ACTIVATION_TIMEOUT,
Lang.bind(this, this._xdndToggleOverview, actor));
GLib.Source.set_name_by_id(this._xdndTimeOut, '[gnome-shell] this._xdndToggleOverview');
return DND.DragMotionResult.CONTINUE;
},
_onCapturedEvent: function(actor, event) {
if (event.type() == Clutter.EventType.BUTTON_PRESS ||
event.type() == Clutter.EventType.TOUCH_BEGIN) {
if (!Main.overview.shouldToggleByCornerOrButton())
return Clutter.EVENT_STOP;
}
return Clutter.EVENT_PROPAGATE;
},
_onEvent: function(actor, event) {
this.parent(actor, event);
if (event.type() == Clutter.EventType.TOUCH_END ||
event.type() == Clutter.EventType.BUTTON_RELEASE)
if (Main.overview.shouldToggleByCornerOrButton())
Main.overview.toggle();
return Clutter.EVENT_PROPAGATE;
},
_onKeyRelease: function(actor, event) {
let symbol = event.get_key_symbol();
if (symbol == Clutter.KEY_Return || symbol == Clutter.KEY_space) {
if (Main.overview.shouldToggleByCornerOrButton())
Main.overview.toggle();
}
return Clutter.EVENT_PROPAGATE;
},
_xdndToggleOverview: function(actor) {
let [x, y, mask] = global.get_pointer();
let pickedActor = global.stage.get_actor_at_pos(Clutter.PickMode.REACTIVE, x, y);
if (pickedActor == this.actor && Main.overview.shouldToggleByCornerOrButton())
Main.overview.toggle();
Mainloop.source_remove(this._xdndTimeOut);
this._xdndTimeOut = 0;
return GLib.SOURCE_REMOVE;
}
});
const PanelCorner = new Lang.Class({
Name: 'PanelCorner',
_init: function(side) {
this._side = side;
this.actor = new St.DrawingArea({ style_class: 'panel-corner' });
this.actor.connect('style-changed', Lang.bind(this, this._styleChanged));
this.actor.connect('repaint', Lang.bind(this, this._repaint));
},
_findRightmostButton: function(container) {
if (!container.get_children)
return null;
let children = container.get_children();
if (!children || children.length == 0)
return null;
// Start at the back and work backward
let index;
for (index = children.length - 1; index >= 0; index--) {
if (children[index].visible)
break;
}
if (index < 0)
return null;
if (!(children[index].has_style_class_name('panel-menu')) &&
!(children[index].has_style_class_name('panel-button')))
return this._findRightmostButton(children[index]);
return children[index];
},
_findLeftmostButton: function(container) {
if (!container.get_children)
return null;
let children = container.get_children();
if (!children || children.length == 0)
return null;
// Start at the front and work forward
let index;
for (index = 0; index < children.length; index++) {
if (children[index].visible)
break;
}
if (index == children.length)
return null;
if (!(children[index].has_style_class_name('panel-menu')) &&
!(children[index].has_style_class_name('panel-button')))
return this._findLeftmostButton(children[index]);
return children[index];
},
setStyleParent: function(box) {
let side = this._side;
let rtlAwareContainer = box instanceof St.BoxLayout;
if (rtlAwareContainer &&
box.get_text_direction() == Clutter.TextDirection.RTL) {
if (this._side == St.Side.LEFT)
side = St.Side.RIGHT;
else if (this._side == St.Side.RIGHT)
side = St.Side.LEFT;
}
let button;
if (side == St.Side.LEFT)
button = this._findLeftmostButton(box);
else if (side == St.Side.RIGHT)
button = this._findRightmostButton(box);
if (button) {
if (this._button && this._buttonStyleChangedSignalId) {
this._button.disconnect(this._buttonStyleChangedSignalId);
this._button.style = null;
}
this._button = button;
button.connect('destroy', Lang.bind(this,
function() {
if (this._button == button) {
this._button = null;
this._buttonStyleChangedSignalId = 0;
}
}));
// Synchronize the locate button's pseudo classes with this corner
this._buttonStyleChangedSignalId = button.connect('style-changed', Lang.bind(this,
function(actor) {
let pseudoClass = button.get_style_pseudo_class();
this.actor.set_style_pseudo_class(pseudoClass);
}));
// The corner doesn't support theme transitions, so override
// the .panel-button default
button.style = 'transition-duration: 0ms';
}
},
_repaint: function() {
let node = this.actor.get_theme_node();
let cornerRadius = node.get_length("-panel-corner-radius");
let borderWidth = node.get_length('-panel-corner-border-width');
let backgroundColor = node.get_color('-panel-corner-background-color');
let borderColor = node.get_color('-panel-corner-border-color');
let overlap = borderColor.alpha != 0;
let offsetY = overlap ? 0 : borderWidth;
let cr = this.actor.get_context();
cr.setOperator(Cairo.Operator.SOURCE);
cr.moveTo(0, offsetY);
if (this._side == St.Side.LEFT)
cr.arc(cornerRadius,
borderWidth + cornerRadius,
cornerRadius, Math.PI, 3 * Math.PI / 2);
else
cr.arc(0,
borderWidth + cornerRadius,
cornerRadius, 3 * Math.PI / 2, 2 * Math.PI);
cr.lineTo(cornerRadius, offsetY);
cr.closePath();
let savedPath = cr.copyPath();
let xOffsetDirection = this._side == St.Side.LEFT ? -1 : 1;
let over = _over(borderColor, backgroundColor);
Clutter.cairo_set_source_color(cr, over);
cr.fill();
if (overlap) {
let offset = borderWidth;
Clutter.cairo_set_source_color(cr, backgroundColor);
cr.save();
cr.translate(xOffsetDirection * offset, - offset);
cr.appendPath(savedPath);
cr.fill();
cr.restore();
}
cr.$dispose();
},
_styleChanged: function() {
let node = this.actor.get_theme_node();
let cornerRadius = node.get_length("-panel-corner-radius");
let borderWidth = node.get_length('-panel-corner-border-width');
this.actor.set_size(cornerRadius, borderWidth + cornerRadius);
this.actor.set_anchor_point(0, borderWidth);
}
});
const AggregateLayout = new Lang.Class({
Name: 'AggregateLayout',
Extends: Clutter.BoxLayout,
_init: function(params) {
if (!params)
params = {};
params['orientation'] = Clutter.Orientation.VERTICAL;
this.parent(params);
this._sizeChildren = [];
},
addSizeChild: function(actor) {
this._sizeChildren.push(actor);
this.layout_changed();
},
vfunc_get_preferred_width: function(container, forHeight) {
let themeNode = container.get_theme_node();
let minWidth = themeNode.get_min_width();
let natWidth = minWidth;
for (let i = 0; i < this._sizeChildren.length; i++) {
let child = this._sizeChildren[i];
let [childMin, childNat] = child.get_preferred_width(forHeight);
minWidth = Math.max(minWidth, childMin);
natWidth = Math.max(minWidth, childNat);
}
return [minWidth, natWidth];
}
});
const AggregateMenu = new Lang.Class({
Name: 'AggregateMenu',
Extends: PanelMenu.Button,
_init: function() {
this.parent(0.0, C_("System menu in the top bar", "System"), false);
this.menu.actor.add_style_class_name('aggregate-menu');
let menuLayout = new AggregateLayout();
this.menu.box.set_layout_manager(menuLayout);
this._indicators = new St.BoxLayout({ style_class: 'panel-status-indicators-box' });
this.actor.add_child(this._indicators);
if (Config.HAVE_NETWORKMANAGER) {
this._network = new imports.ui.status.network.NMApplet();
} else {
this._network = null;
}
if (Config.HAVE_BLUETOOTH) {
this._bluetooth = new imports.ui.status.bluetooth.Indicator();
} else {
this._bluetooth = null;
}
this._power = new imports.ui.status.power.Indicator();
this._rfkill = new imports.ui.status.rfkill.Indicator();
this._volume = new imports.ui.status.volume.Indicator();
this._brightness = new imports.ui.status.brightness.Indicator();
this._system = new imports.ui.status.system.Indicator();
this._screencast = new imports.ui.status.screencast.Indicator();
this._location = new imports.ui.status.location.Indicator();
this._nightLight = new imports.ui.status.nightLight.Indicator();
this._indicators.add_child(this._screencast.indicators);
this._indicators.add_child(this._location.indicators);
this._indicators.add_child(this._nightLight.indicators);
if (this._network) {
this._indicators.add_child(this._network.indicators);
}
if (this._bluetooth) {
this._indicators.add_child(this._bluetooth.indicators);
}
this._indicators.add_child(this._rfkill.indicators);
this._indicators.add_child(this._volume.indicators);
this._indicators.add_child(this._power.indicators);
this._indicators.add_child(PopupMenu.arrowIcon(St.Side.BOTTOM));
this.menu.addMenuItem(this._volume.menu);
this.menu.addMenuItem(this._brightness.menu);
this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
if (this._network) {
this.menu.addMenuItem(this._network.menu);
}
if (this._bluetooth) {
this.menu.addMenuItem(this._bluetooth.menu);
}
this.menu.addMenuItem(this._location.menu);
this.menu.addMenuItem(this._rfkill.menu);
this.menu.addMenuItem(this._power.menu);
this.menu.addMenuItem(this._nightLight.menu);
this.menu.addMenuItem(this._system.menu);
menuLayout.addSizeChild(this._location.menu.actor);
menuLayout.addSizeChild(this._rfkill.menu.actor);
menuLayout.addSizeChild(this._power.menu.actor);
menuLayout.addSizeChild(this._system.menu.actor);
},
});
const PANEL_ITEM_IMPLEMENTATIONS = {
'activities': ActivitiesButton,
'aggregateMenu': AggregateMenu,
'appMenu': AppMenuButton,
'dateMenu': imports.ui.dateMenu.DateMenuButton,
'a11y': imports.ui.status.accessibility.ATIndicator,
'a11yGreeter': imports.ui.status.accessibility.ATGreeterIndicator,
'keyboard': imports.ui.status.keyboard.InputSourceIndicator,
};
const Panel = new Lang.Class({
Name: 'Panel',
_init : function() {
this.actor = new Shell.GenericContainer({ name: 'panel',
reactive: true });
this.actor._delegate = this;
this._sessionStyle = null;
this.statusArea = {};
this.menuManager = new PopupMenu.PopupMenuManager(this);
this._leftBox = new St.BoxLayout({ name: 'panelLeft' });
this.actor.add_actor(this._leftBox);
this._centerBox = new St.BoxLayout({ name: 'panelCenter' });
this.actor.add_actor(this._centerBox);
this._rightBox = new St.BoxLayout({ name: 'panelRight' });
this.actor.add_actor(this._rightBox);
this._leftCorner = new PanelCorner(St.Side.LEFT);
this.actor.add_actor(this._leftCorner.actor);
this._rightCorner = new PanelCorner(St.Side.RIGHT);
this.actor.add_actor(this._rightCorner.actor);
this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
this.actor.connect('allocate', Lang.bind(this, this._allocate));
this.actor.connect('button-press-event', Lang.bind(this, this._onButtonPress));
Main.overview.connect('showing', Lang.bind(this, function () {
this.actor.add_style_pseudo_class('overview');
}));
Main.overview.connect('hiding', Lang.bind(this, function () {
this.actor.remove_style_pseudo_class('overview');
}));
Main.layoutManager.panelBox.add(this.actor);
Main.ctrlAltTabManager.addGroup(this.actor, _("Top Bar"), 'focus-top-bar-symbolic',
{ sortGroup: CtrlAltTab.SortGroup.TOP });
Main.sessionMode.connect('updated', Lang.bind(this, this._updatePanel));
this._updatePanel();
},
_getPreferredWidth: function(actor, forHeight, alloc) {
alloc.min_size = -1;
alloc.natural_size = Main.layoutManager.primaryMonitor.width;
},
_getPreferredHeight: function(actor, forWidth, alloc) {
// We don't need to implement this; it's forced by the CSS
alloc.min_size = -1;
alloc.natural_size = -1;
},
_allocate: function(actor, box, flags) {
let allocWidth = box.x2 - box.x1;
let allocHeight = box.y2 - box.y1;
let [leftMinWidth, leftNaturalWidth] = this._leftBox.get_preferred_width(-1);
let [centerMinWidth, centerNaturalWidth] = this._centerBox.get_preferred_width(-1);
let [rightMinWidth, rightNaturalWidth] = this._rightBox.get_preferred_width(-1);
let sideWidth, centerWidth;
centerWidth = centerNaturalWidth;
sideWidth = (allocWidth - centerWidth) / 2;
let childBox = new Clutter.ActorBox();
childBox.y1 = 0;
childBox.y2 = allocHeight;
if (this.actor.get_text_direction() == Clutter.TextDirection.RTL) {
childBox.x1 = allocWidth - Math.min(Math.floor(sideWidth),
leftNaturalWidth);
childBox.x2 = allocWidth;
} else {
childBox.x1 = 0;
childBox.x2 = Math.min(Math.floor(sideWidth),
leftNaturalWidth);
}
this._leftBox.allocate(childBox, flags);
childBox.x1 = Math.ceil(sideWidth);
childBox.y1 = 0;
childBox.x2 = childBox.x1 + centerWidth;
childBox.y2 = allocHeight;
this._centerBox.allocate(childBox, flags);
childBox.y1 = 0;
childBox.y2 = allocHeight;
if (this.actor.get_text_direction() == Clutter.TextDirection.RTL) {
childBox.x1 = 0;
childBox.x2 = Math.min(Math.floor(sideWidth),
rightNaturalWidth);
} else {
childBox.x1 = allocWidth - Math.min(Math.floor(sideWidth),
rightNaturalWidth);
childBox.x2 = allocWidth;
}
this._rightBox.allocate(childBox, flags);
let cornerMinWidth, cornerMinHeight;
let cornerWidth, cornerHeight;
[cornerMinWidth, cornerWidth] = this._leftCorner.actor.get_preferred_width(-1);
[cornerMinHeight, cornerHeight] = this._leftCorner.actor.get_preferred_height(-1);
childBox.x1 = 0;
childBox.x2 = cornerWidth;
childBox.y1 = allocHeight;
childBox.y2 = allocHeight + cornerHeight;
this._leftCorner.actor.allocate(childBox, flags);
[cornerMinWidth, cornerWidth] = this._rightCorner.actor.get_preferred_width(-1);
[cornerMinHeight, cornerHeight] = this._rightCorner.actor.get_preferred_height(-1);
childBox.x1 = allocWidth - cornerWidth;
childBox.x2 = allocWidth;
childBox.y1 = allocHeight;
childBox.y2 = allocHeight + cornerHeight;
this._rightCorner.actor.allocate(childBox, flags);
},
_onButtonPress: function(actor, event) {
if (Main.modalCount > 0)
return Clutter.EVENT_PROPAGATE;
if (event.get_source() != actor)
return Clutter.EVENT_PROPAGATE;
let button = event.get_button();
if (button != 1)
return Clutter.EVENT_PROPAGATE;
let focusWindow = global.display.focus_window;
if (!focusWindow)
return Clutter.EVENT_PROPAGATE;
let dragWindow = focusWindow.is_attached_dialog() ? focusWindow.get_transient_for()
: focusWindow;
if (!dragWindow)
return Clutter.EVENT_PROPAGATE;
let rect = dragWindow.get_frame_rect();
let [stageX, stageY] = event.get_coords();
let allowDrag = dragWindow.maximized_vertically &&
stageX > rect.x && stageX < rect.x + rect.width;
if (!allowDrag)
return Clutter.EVENT_PROPAGATE;
global.display.begin_grab_op(global.screen,
dragWindow,
Meta.GrabOp.MOVING,
false, /* pointer grab */
true, /* frame action */
button,
event.get_state(),
event.get_time(),
stageX, stageY);
return Clutter.EVENT_STOP;
},
_toggleMenu: function(indicator) {
if (!indicator) // menu not supported by current session mode
return;
let menu = indicator.menu;
if (!indicator.actor.reactive)
return;
menu.toggle();
if (menu.isOpen)
menu.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
},
toggleAppMenu: function() {
this._toggleMenu(this.statusArea.appMenu);
},
toggleCalendar: function() {
this._toggleMenu(this.statusArea.dateMenu);
},
closeCalendar: function() {
let indicator = this.statusArea.dateMenu;
if (!indicator) // calendar not supported by current session mode
return;
let menu = indicator.menu;
if (!indicator.actor.reactive)
return;
menu.close();
},
set boxOpacity(value) {
let isReactive = value > 0;
this._leftBox.opacity = value;
this._leftBox.reactive = isReactive;
this._centerBox.opacity = value;
this._centerBox.reactive = isReactive;
this._rightBox.opacity = value;
this._rightBox.reactive = isReactive;
},
get boxOpacity() {
return this._leftBox.opacity;
},
_updatePanel: function() {
let panel = Main.sessionMode.panel;
this._hideIndicators();
this._updateBox(panel.left, this._leftBox);
this._updateBox(panel.center, this._centerBox);
this._updateBox(panel.right, this._rightBox);
if (panel.left.indexOf('dateMenu') != -1)
Main.messageTray.bannerAlignment = Clutter.ActorAlign.START;
else if (panel.right.indexOf('dateMenu') != -1)
Main.messageTray.bannerAlignment = Clutter.ActorAlign.END;
// Default to center if there is no dateMenu
else
Main.messageTray.bannerAlignment = Clutter.ActorAlign.CENTER;
if (this._sessionStyle)
this._removeStyleClassName(this._sessionStyle);
this._sessionStyle = Main.sessionMode.panelStyle;
if (this._sessionStyle)
this._addStyleClassName(this._sessionStyle);
if (this.actor.get_text_direction() == Clutter.TextDirection.RTL) {
this._leftCorner.setStyleParent(this._rightBox);
this._rightCorner.setStyleParent(this._leftBox);
} else {
this._leftCorner.setStyleParent(this._leftBox);
this._rightCorner.setStyleParent(this._rightBox);
}
},
_hideIndicators: function() {
for (let role in PANEL_ITEM_IMPLEMENTATIONS) {
let indicator = this.statusArea[role];
if (!indicator)
continue;
if (indicator.menu)
indicator.menu.close();
indicator.container.hide();
}
},
_ensureIndicator: function(role) {
let indicator = this.statusArea[role];
if (!indicator) {
let constructor = PANEL_ITEM_IMPLEMENTATIONS[role];
if (!constructor) {
// This icon is not implemented (this is a bug)
return null;
}
indicator = new constructor(this);
this.statusArea[role] = indicator;
}
return indicator;
},
_updateBox: function(elements, box) {
let nChildren = box.get_n_children();
for (let i = 0; i < elements.length; i++) {
let role = elements[i];
let indicator = this._ensureIndicator(role);
if (indicator == null)
continue;
this._addToPanelBox(role, indicator, i + nChildren, box);
}
},
_addToPanelBox: function(role, indicator, position, box) {
let container = indicator.container;
container.show();
let parent = container.get_parent();
if (parent)
parent.remove_actor(container);
box.insert_child_at_index(container, position);
if (indicator.menu)
this.menuManager.addMenu(indicator.menu);
this.statusArea[role] = indicator;
let destroyId = indicator.connect('destroy', Lang.bind(this, function(emitter) {
delete this.statusArea[role];
emitter.disconnect(destroyId);
container.destroy();
}));
indicator.connect('menu-set', Lang.bind(this, this._onMenuSet));
this._onMenuSet(indicator);
},
addToStatusArea: function(role, indicator, position, box) {
if (this.statusArea[role])
throw new Error('Extension point conflict: there is already a status indicator for role ' + role);
if (!(indicator instanceof PanelMenu.Button))
throw new TypeError('Status indicator must be an instance of PanelMenu.Button');
position = position || 0;
let boxes = {
left: this._leftBox,
center: this._centerBox,
right: this._rightBox
};
let boxContainer = boxes[box] || this._rightBox;
this.statusArea[role] = indicator;
this._addToPanelBox(role, indicator, position, boxContainer);
return indicator;
},
_addStyleClassName: function(className) {
this.actor.add_style_class_name(className);
this._rightCorner.actor.add_style_class_name(className);
this._leftCorner.actor.add_style_class_name(className);
},
_removeStyleClassName: function(className) {
this.actor.remove_style_class_name(className);
this._rightCorner.actor.remove_style_class_name(className);
this._leftCorner.actor.remove_style_class_name(className);
},
_onMenuSet: function(indicator) {
if (!indicator.menu || indicator.menu._openChangedId > 0)
return;
indicator.menu._openChangedId = indicator.menu.connect('open-state-changed',
Lang.bind(this, function(menu, isOpen) {
let boxAlignment;
if (this._leftBox.contains(indicator.container))
boxAlignment = Clutter.ActorAlign.START;
else if (this._centerBox.contains(indicator.container))
boxAlignment = Clutter.ActorAlign.CENTER;
else if (this._rightBox.contains(indicator.container))
boxAlignment = Clutter.ActorAlign.END;
if (boxAlignment == Main.messageTray.bannerAlignment)
Main.messageTray.bannerBlocked = isOpen;
}));
}
});