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gnome-shell/js/ui/panel.js
Giovanni Campagna 4207536377 Status Area: add keyboard layout selector 
Add an indicator for the current keyboard layout, based on
libgnomekbd. The indicator is shown when more than one group
is loaded in X and it is not disabled in GSettings.

https://bugzilla.gnome.org/show_bug.cgi?id=600771
2011-01-12 20:27:25 +01:00

1083 lines
42 KiB
JavaScript
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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Clutter = imports.gi.Clutter;
const Gio = imports.gi.Gio;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Pango = imports.gi.Pango;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Signals = imports.signals;
const Gettext = imports.gettext.domain('gnome-shell');
const _ = Gettext.gettext;
const Calendar = imports.ui.calendar;
const Config = imports.misc.config;
const Overview = imports.ui.overview;
const PopupMenu = imports.ui.popupMenu;
const PanelMenu = imports.ui.panelMenu;
const StatusMenu = imports.ui.statusMenu;
const Main = imports.ui.main;
const Tweener = imports.ui.tweener;
const PANEL_HEIGHT = 26;
const PANEL_ICON_SIZE = 24;
const HOT_CORNER_ACTIVATION_TIMEOUT = 0.5;
const BUTTON_DND_ACTIVATION_TIMEOUT = 250;
const ANIMATED_ICON_UPDATE_TIMEOUT = 100;
const SPINNER_UPDATE_TIMEOUT = 130;
const SPINNER_SPEED = 0.02;
const STANDARD_TRAY_ICON_ORDER = ['a11y', 'display', 'keyboard', 'volume', 'bluetooth', 'network', 'battery'];
const STANDARD_TRAY_ICON_SHELL_IMPLEMENTATION = {
'a11y': imports.ui.status.accessibility.ATIndicator,
'volume': imports.ui.status.volume.Indicator,
'battery': imports.ui.status.power.Indicator,
'keyboard': imports.ui.status.keyboard.XKBIndicator
};
if (Config.HAVE_BLUETOOTH)
STANDARD_TRAY_ICON_SHELL_IMPLEMENTATION['bluetooth'] = imports.ui.status.bluetooth.Indicator;
// in org.gnome.desktop.interface
const CLOCK_FORMAT_KEY = 'clock-format';
// in org.gnome.shell.clock
const CLOCK_SHOW_DATE_KEY = 'show-date';
const CLOCK_SHOW_SECONDS_KEY = 'show-seconds';
function AnimatedIcon(name, size) {
this._init(name, size);
}
AnimatedIcon.prototype = {
_init: function(name, size) {
this.actor = new St.Bin({ visible: false });
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
this.actor.connect('notify::visible', Lang.bind(this, function() {
if (this.actor.visible) {
this._timeoutId = Mainloop.timeout_add(ANIMATED_ICON_UPDATE_TIMEOUT, Lang.bind(this, this._update));
} else {
if (this._timeoutId)
Mainloop.source_remove(this._timeoutId);
this._timeoutId = 0;
}
}));
this._timeoutId = 0;
this._i = 0;
this._animations = St.TextureCache.get_default().load_sliced_image (global.datadir + '/theme/' + name, size, size);
this.actor.set_child(this._animations);
},
_update: function() {
this._animations.hide_all();
this._animations.show();
if (this._i && this._i < this._animations.get_n_children())
this._animations.get_nth_child(this._i++).show();
else {
this._i = 1;
if (this._animations.get_n_children())
this._animations.get_nth_child(0).show();
}
return true;
},
_onDestroy: function() {
if (this._timeoutId)
Mainloop.source_remove(this._timeoutId);
}
};
function TextShadower() {
this._init();
}
TextShadower.prototype = {
_init: function() {
this.actor = new Shell.GenericContainer();
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._label = new St.Label();
this.actor.add_actor(this._label);
for (let i = 0; i < 4; i++) {
let actor = new St.Label({ style_class: 'label-shadow' });
actor.clutter_text.ellipsize = Pango.EllipsizeMode.END;
this.actor.add_actor(actor);
}
this._label.raise_top();
},
setText: function(text) {
let children = this.actor.get_children();
for (let i = 0; i < children.length; i++)
children[i].set_text(text);
},
_getPreferredWidth: function(actor, forHeight, alloc) {
let [minWidth, natWidth] = this._label.get_preferred_width(forHeight);
alloc.min_size = minWidth + 2;
alloc.natural_size = natWidth + 2;
},
_getPreferredHeight: function(actor, forWidth, alloc) {
let [minHeight, natHeight] = this._label.get_preferred_height(forWidth);
alloc.min_size = minHeight + 2;
alloc.natural_size = natHeight + 2;
},
_allocate: function(actor, box, flags) {
let children = this.actor.get_children();
let availWidth = box.x2 - box.x1;
let availHeight = box.y2 - box.y1;
let [minChildWidth, minChildHeight, natChildWidth, natChildHeight] =
this._label.get_preferred_size();
let childWidth = Math.min(natChildWidth, availWidth - 2);
let childHeight = Math.min(natChildHeight, availHeight - 2);
for (let i = 0; i < children.length; i++) {
let child = children[i];
let childBox = new Clutter.ActorBox();
// The order of the labels here is arbitrary, except
// we know the "real" label is at the end because Clutter.Group
// sorts by Z order
switch (i) {
case 0: // top
childBox.x1 = 1;
childBox.y1 = 0;
break;
case 1: // right
childBox.x1 = 2;
childBox.y1 = 1;
break;
case 2: // bottom
childBox.x1 = 1;
childBox.y1 = 2;
break;
case 3: // left
childBox.x1 = 0;
childBox.y1 = 1;
break;
case 4: // center
childBox.x1 = 1;
childBox.y1 = 1;
break;
}
childBox.x2 = childBox.x1 + childWidth;
childBox.y2 = childBox.y1 + childHeight;
child.allocate(childBox, flags);
}
}
};
/**
* 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.
*/
function AppMenuButton() {
this._init();
}
AppMenuButton.prototype = {
__proto__: PanelMenu.Button.prototype,
_init: function() {
PanelMenu.Button.prototype._init.call(this, St.Align.START);
this._metaDisplay = global.screen.get_display();
this._startingApps = [];
this._targetApp = null;
let bin = new St.Bin({ name: 'appMenu' });
this.actor.set_child(bin);
this._container = new Shell.GenericContainer();
bin.set_child(this._container);
this._container.connect('get-preferred-width', Lang.bind(this, this._getContentPreferredWidth));
this._container.connect('get-preferred-height', Lang.bind(this, this._getContentPreferredHeight));
this._container.connect('allocate', Lang.bind(this, this._contentAllocate));
this._iconBox = new Shell.Slicer({ name: 'appMenuIcon' });
this._container.add_actor(this._iconBox);
this._label = new TextShadower();
this._container.add_actor(this._label.actor);
this._quitMenu = new PopupMenu.PopupMenuItem('');
this.menu.addMenuItem(this._quitMenu);
this._quitMenu.connect('activate', Lang.bind(this, this._onQuit));
this._visible = !Main.overview.visible;
if (!this._visible)
this.hide();
Main.overview.connect('hiding', Lang.bind(this, function () {
this.show();
}));
Main.overview.connect('showing', Lang.bind(this, function () {
this.hide();
}));
this._updateId = 0;
this._animationStep = 0;
this._clipWidth = PANEL_ICON_SIZE;
this._direction = SPINNER_SPEED;
this._spinner = new AnimatedIcon('process-working.png',
PANEL_ICON_SIZE);
this._container.add_actor(this._spinner.actor);
this._spinner.actor.lower_bottom();
this._shadow = new St.Bin({ style_class: 'label-real-shadow' });
this._shadow.hide();
this._container.add_actor(this._shadow);
let tracker = Shell.WindowTracker.get_default();
tracker.connect('notify::focus-app', Lang.bind(this, this._sync));
tracker.connect('app-state-changed', Lang.bind(this, this._onAppStateChanged));
global.window_manager.connect('switch-workspace', Lang.bind(this, this._sync));
this._sync();
},
show: function() {
if (this._visible)
return;
this.actor.show();
Tweener.addTween(this.actor,
{ opacity: 255,
time: Overview.ANIMATION_TIME,
transition: 'easeOutQuad',
onComplete: function() {
this._visible = true;
},
onCompleteScope: this });
},
hide: function() {
if (!this._visible)
return;
Tweener.addTween(this.actor,
{ opacity: 0,
time: Overview.ANIMATION_TIME,
transition: 'easeOutQuad',
onComplete: function() {
this.actor.hide();
this._visible = false;
},
onCompleteScope: this });
},
_stopAnimation: function(animate) {
this._label.actor.remove_clip();
if (this._updateId) {
this._shadow.hide();
if (animate) {
Tweener.addTween(this._spinner.actor,
{ opacity: 0,
time: 0.2,
transition: "easeOutQuad",
onCompleteScope: this,
onComplete: function() {
this._spinner.actor.opacity = 255;
this._spinner.actor.hide();
}
});
}
Mainloop.source_remove(this._updateId);
this._updateId = 0;
}
if (!animate)
this._spinner.actor.hide();
},
stopAnimation: function() {
this._direction = SPINNER_SPEED * 3;
this._stop = true;
},
_update: function() {
this._animationStep += this._direction;
if (this._animationStep > 1 && this._stop) {
this._animationStep = 1;
this._stopAnimation(true);
return false;
}
if (this._animationStep > 1)
this._animationStep = 1;
this._clipWidth = this._label.actor.width - (this._label.actor.width - PANEL_ICON_SIZE) * (1 - this._animationStep);
if (this.actor.get_direction() == St.TextDirection.LTR) {
this._label.actor.set_clip(0, 0, this._clipWidth + this._shadow.width, this.actor.height);
} else {
this._label.actor.set_clip(this._label.actor.width - this._clipWidth, 0, this._clipWidth, this.actor.height);
}
this._container.queue_relayout();
return true;
},
startAnimation: function() {
this._direction = SPINNER_SPEED;
this._stopAnimation(false);
this._animationStep = 0;
this._update();
this._stop = false;
this._updateId = Mainloop.timeout_add(SPINNER_UPDATE_TIMEOUT, Lang.bind(this, this._update));
this._spinner.actor.show();
this._shadow.show();
},
_getContentPreferredWidth: function(actor, forHeight, alloc) {
let [minSize, naturalSize] = this._iconBox.get_preferred_width(forHeight);
alloc.min_size = minSize;
alloc.natural_size = naturalSize;
[minSize, naturalSize] = this._label.actor.get_preferred_width(forHeight);
alloc.min_size = alloc.min_size + Math.max(0, minSize - Math.floor(alloc.min_size / 2));
alloc.natural_size = alloc.natural_size + Math.max(0, naturalSize - Math.floor(alloc.natural_size / 2));
},
_getContentPreferredHeight: function(actor, forWidth, alloc) {
let [minSize, naturalSize] = this._iconBox.get_preferred_height(forWidth);
alloc.min_size = minSize;
alloc.natural_size = naturalSize;
[minSizfe, naturalSize] = this._label.actor.get_preferred_height(forWidth);
if (minSize > alloc.min_size)
alloc.min_size = minSize;
if (naturalSize > alloc.natural_size)
alloc.natural_size = naturalSize;
},
_contentAllocate: function(actor, box, flags) {
let allocWidth = box.x2 - box.x1;
let allocHeight = box.y2 - box.y1;
let childBox = new Clutter.ActorBox();
let [minWidth, minHeight, naturalWidth, naturalHeight] = this._iconBox.get_preferred_size();
let direction = this.actor.get_direction();
let yPadding = Math.floor(Math.max(0, allocHeight - naturalHeight) / 2);
childBox.y1 = yPadding;
childBox.y2 = childBox.y1 + Math.min(naturalHeight, allocHeight);
if (direction == St.TextDirection.LTR) {
childBox.x1 = 0;
childBox.x2 = childBox.x1 + Math.min(naturalWidth, allocWidth);
} else {
childBox.x1 = Math.max(0, allocWidth - naturalWidth);
childBox.x2 = allocWidth;
}
this._iconBox.allocate(childBox, flags);
let iconWidth = childBox.x2 - childBox.x1;
[minWidth, minHeight, naturalWidth, naturalHeight] = this._label.actor.get_preferred_size();
yPadding = Math.floor(Math.max(0, allocHeight - naturalHeight) / 2);
childBox.y1 = yPadding;
childBox.y2 = childBox.y1 + Math.min(naturalHeight, allocHeight);
if (direction == St.TextDirection.LTR) {
childBox.x1 = Math.floor(iconWidth / 2);
childBox.x2 = Math.min(childBox.x1 + naturalWidth, allocWidth);
} else {
childBox.x2 = allocWidth - Math.floor(iconWidth / 2);
childBox.x1 = Math.max(0, childBox.x2 - naturalWidth);
}
this._label.actor.allocate(childBox, flags);
if (direction == St.TextDirection.LTR) {
childBox.x1 = Math.floor(iconWidth / 2) + this._clipWidth + this._shadow.width;
childBox.x2 = childBox.x1 + this._spinner.actor.width;
childBox.y1 = box.y1;
childBox.y2 = box.y2 - 1;
this._spinner.actor.allocate(childBox, flags);
childBox.x1 = Math.floor(iconWidth / 2) + this._clipWidth + 2;
childBox.x2 = childBox.x1 + this._shadow.width;
childBox.y1 = box.y1;
childBox.y2 = box.y2 - 1;
this._shadow.allocate(childBox, flags);
} else {
childBox.x1 = this._label.actor.width - this._clipWidth - this._spinner.actor.width;
childBox.x2 = childBox.x1 + this._spinner.actor.width;
childBox.y1 = box.y1;
childBox.y2 = box.y2 - 1;
this._spinner.actor.allocate(childBox, flags);
}
},
_onQuit: function() {
if (this._targetApp == null)
return;
this._targetApp.request_quit();
},
_onAppStateChanged: function(tracker, 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();
},
_sync: function() {
let tracker = Shell.WindowTracker.get_default();
let lastStartedApp = null;
let workspace = global.screen.get_active_workspace();
for (let i = 0; i < this._startingApps.length; i++)
if (this._startingApps[i].is_on_workspace(workspace))
lastStartedApp = this._startingApps[i];
let focusedApp = tracker.focus_app;
let targetApp = focusedApp != null ? focusedApp : lastStartedApp;
if (targetApp == this._targetApp) {
if (targetApp && targetApp.get_state() != Shell.AppState.STARTING)
this.stopAnimation();
return;
}
this._stopAnimation();
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_input_mode == Shell.StageInputMode.FOCUSED)
return;
}
if (this._iconBox.child != null)
this._iconBox.child.destroy();
this._iconBox.hide();
this._label.setText('');
this.actor.reactive = false;
this._targetApp = targetApp;
if (targetApp != null) {
let icon = targetApp.get_faded_icon(2 * PANEL_ICON_SIZE);
this._label.setText(targetApp.get_name());
// TODO - _quit() doesn't really work on apps in state STARTING yet
this._quitMenu.label.set_text(_("Quit %s").format(targetApp.get_name()));
this.actor.reactive = true;
this._iconBox.set_child(icon);
this._iconBox.show();
if (targetApp.get_state() == Shell.AppState.STARTING)
this.startAnimation();
}
this.emit('changed');
}
};
Signals.addSignalMethods(AppMenuButton.prototype);
function ClockButton() {
this._init();
}
ClockButton.prototype = {
_init: function() {
this.actor = new St.Bin({ style_class: 'panel-button',
reactive: true,
can_focus: true,
x_fill: true,
y_fill: false,
track_hover: true });
this.actor._delegate = this;
this.actor.connect('button-press-event',
Lang.bind(this, this._toggleCalendar));
this._clock = new St.Label();
this.actor.set_child(this._clock);
this._calendarPopup = null;
this._desktopSettings = new Gio.Settings({ schema: 'org.gnome.desktop.interface' });
this._clockSettings = new Gio.Settings({ schema: 'org.gnome.shell.clock' });
this._desktopSettings.connect('changed', Lang.bind(this, this._updateClock));
this._clockSettings.connect('changed', Lang.bind(this, this._updateClock));
// Start the clock
this._updateClock();
},
closeCalendar: function() {
if (!this._calendarPopup || !this._calendarPopup.isOpen)
return;
this._calendarPopup.hide();
this.actor.remove_style_pseudo_class('pressed');
},
openCalendar: function() {
this._calendarPopup.show();
this.actor.add_style_pseudo_class('pressed');
},
_toggleCalendar: function() {
if (this._calendarPopup == null) {
this._calendarPopup = new CalendarPopup();
this._calendarPopup.actor.hide();
}
if (!this._calendarPopup.isOpen)
this.openCalendar();
else
this.closeCalendar();
},
_updateClock: function() {
let format = this._desktopSettings.get_string(CLOCK_FORMAT_KEY);
let showDate = this._clockSettings.get_boolean(CLOCK_SHOW_DATE_KEY);
let showSeconds = this._clockSettings.get_boolean(CLOCK_SHOW_SECONDS_KEY);
let clockFormat;
switch (format) {
case '24h':
if (showDate)
/* Translators: This is the time format with date used
in 24-hour mode. */
clockFormat = showSeconds ? _("%a %b %e, %R:%S")
: _("%a %b %e, %R");
else
/* Translators: This is the time format without date used
in 24-hour mode. */
clockFormat = showSeconds ? _("%a %R:%S")
: _("%a %R");
break;
case '12h':
default:
if (showDate)
/* Translators: This is a time format with date used
for AM/PM. */
clockFormat = showSeconds ? _("%a %b %e, %l:%M:%S %p")
: _("%a %b %e, %l:%M %p");
else
/* Translators: This is a time format without date used
for AM/PM. */
clockFormat = showSeconds ? _("%a %l:%M:%S %p")
: _("%a %l:%M %p");
break;
}
let displayDate = new Date();
let msecRemaining;
if (showSeconds) {
msecRemaining = 1000 - displayDate.getMilliseconds();
if (msecRemaining < 50) {
displayDate.setSeconds(displayDate.getSeconds() + 1);
msecRemaining += 1000;
}
} else {
msecRemaining = 60000 - (1000 * displayDate.getSeconds() +
displayDate.getMilliseconds());
if (msecRemaining < 500) {
displayDate.setMinutes(displayDate.getMinutes() + 1);
msecRemaining += 60000;
}
}
this._clock.set_text(displayDate.toLocaleFormat(clockFormat));
Mainloop.timeout_add(msecRemaining, Lang.bind(this, this._updateClock));
return false;
}
};
function Panel() {
this._init();
}
Panel.prototype = {
_init : function() {
this.actor = new St.BoxLayout({ style_class: 'menu-bar',
name: 'panel',
reactive: true });
this.actor._delegate = this;
Main.overview.connect('shown', Lang.bind(this, function () {
this.actor.add_style_class_name('in-overview');
}));
Main.overview.connect('hiding', Lang.bind(this, function () {
this.actor.remove_style_class_name('in-overview');
}));
this._menus = new PopupMenu.PopupMenuManager(this);
this._leftBox = new St.BoxLayout({ name: 'panelLeft' });
this._centerBox = new St.BoxLayout({ name: 'panelCenter' });
this._rightBox = new St.BoxLayout({ name: 'panelRight' });
/* This box container ensures that the centerBox is positioned in the *absolute*
* center, but can be pushed aside if necessary. */
this._boxContainer = new Shell.GenericContainer();
this.actor.add(this._boxContainer, { expand: true });
this._boxContainer.add_actor(this._leftBox);
this._boxContainer.add_actor(this._centerBox);
this._boxContainer.add_actor(this._rightBox);
this._boxContainer.connect('get-preferred-width', Lang.bind(this, function(box, forHeight, alloc) {
let children = box.get_children();
for (let i = 0; i < children.length; i++) {
let [childMin, childNatural] = children[i].get_preferred_width(forHeight);
alloc.min_size += childMin;
alloc.natural_size += childNatural;
}
}));
this._boxContainer.connect('get-preferred-height', Lang.bind(this, function(box, forWidth, alloc) {
let children = box.get_children();
for (let i = 0; i < children.length; i++) {
let [childMin, childNatural] = children[i].get_preferred_height(forWidth);
if (childMin > alloc.min_size)
alloc.min_size = childMin;
if (childNatural > alloc.natural_size)
alloc.natural_size = childNatural;
}
}));
this._boxContainer.connect('allocate', Lang.bind(this, function(container, 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 = this._hotCornerEnvirons.height;
if (this.actor.get_direction() == St.TextDirection.RTL) {
childBox.x1 = allocWidth - this._hotCornerEnvirons.width;
childBox.x2 = allocWidth;
} else {
childBox.x1 = 0;
childBox.x2 = this._hotCornerEnvirons.width;
}
this._hotCornerEnvirons.allocate(childBox, flags);
childBox.y1 = 0;
childBox.y2 = this._hotCorner.height;
if (this.actor.get_direction() == St.TextDirection.RTL) {
childBox.x1 = allocWidth - this._hotCorner.width;
childBox.x2 = allocWidth;
} else {
childBox.x1 = 0;
childBox.x2 = this._hotCorner.width;
}
this._hotCorner.allocate(childBox, flags);
childBox.y1 = 0;
childBox.y2 = allocHeight;
if (this.actor.get_direction() == St.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_direction() == St.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);
}));
/* Button on the left side of the panel. */
/* Translators: If there is no suitable word for "Activities" in your language, you can use the word for "Overview". */
let label = new St.Label({ text: _("Activities") });
this.button = new St.Clickable({ name: 'panelActivities',
style_class: 'panel-button',
reactive: true,
can_focus: true });
this.button.set_child(label);
this.button._delegate = this.button;
this.button._xdndTimeOut = 0;
this.button.handleDragOver = Lang.bind(this,
function(source, actor, x, y, time) {
if (source == Main.xdndHandler) {
if (this.button._xdndTimeOut != 0)
Mainloop.source_remove(this.button._xdndTimeOut);
this.button._xdndTimeOut = Mainloop.timeout_add(BUTTON_DND_ACTIVATION_TIMEOUT,
Lang.bind(this,
function() {
this._xdndShowOverview(actor);
}));
}
});
this._leftBox.add(this.button);
// We use this flag to mark the case where the user has entered the
// hot corner and has not left both the hot corner and a surrounding
// guard area (the "environs"). This avoids triggering the hot corner
// multiple times due to an accidental jitter.
this._hotCornerEntered = false;
this._hotCornerEnvirons = new Clutter.Rectangle({ width: 3,
height: 3,
opacity: 0,
reactive: true });
this._hotCorner = new Clutter.Rectangle({ width: 1,
height: 1,
opacity: 0,
reactive: true });
this._hotCornerActivationTime = 0;
this._hotCornerEnvirons.connect('leave-event',
Lang.bind(this, this._onHotCornerEnvironsLeft));
// Clicking on the hot corner environs should result in the same bahavior
// as clicking on the hot corner.
this._hotCornerEnvirons.connect('button-release-event',
Lang.bind(this, this._onHotCornerClicked));
// In addition to being triggered by the mouse enter event, the hot corner
// can be triggered by clicking on it. This is useful if the user wants to
// undo the effect of triggering the hot corner once in the hot corner.
this._hotCorner.connect('enter-event',
Lang.bind(this, this._onHotCornerEntered));
this._hotCorner.connect('button-release-event',
Lang.bind(this, this._onHotCornerClicked));
this._hotCorner.connect('leave-event',
Lang.bind(this, this._onHotCornerLeft));
this._hotCorner._delegate = this._hotCorner;
this._hotCorner.handleDragOver = Lang.bind(this,
function(source, actor, x, y, time) {
if (source == Main.xdndHandler) {
if(!Main.overview.visible && !Main.overview.animationInProgress) {
this.rippleAnimation();
Main.overview.showTemporarily();
Main.overview.beginItemDrag(actor);
}
}
});
this._boxContainer.add_actor(this._hotCornerEnvirons);
this._boxContainer.add_actor(this._hotCorner);
let appMenuButton = new AppMenuButton();
this._leftBox.add(appMenuButton.actor);
this._menus.addMenu(appMenuButton.menu);
/* center */
this._clockButton = new ClockButton();
this._centerBox.add(this._clockButton.actor, { y_fill: true });
/* right */
// System status applets live in statusBox, while legacy tray icons
// live in trayBox
// The trayBox is hidden when there are no tray icons.
let statusBox = new St.BoxLayout({ name: 'statusTray' });
let trayBox = new St.BoxLayout({ name: 'legacyTray' });
this._trayBox = trayBox;
this._statusBox = statusBox;
trayBox.hide();
this._rightBox.add(trayBox);
this._rightBox.add(statusBox);
Main.statusIconDispatcher.connect('status-icon-added', Lang.bind(this, this._onTrayIconAdded));
Main.statusIconDispatcher.connect('status-icon-removed', Lang.bind(this, this._onTrayIconRemoved));
// TODO: decide what to do with the rest of the panel in the Overview mode (make it fade-out, become non-reactive, etc.)
// We get into the Overview mode on button-press-event as opposed to button-release-event because eventually we'll probably
// have the Overview act like a menu that allows the user to release the mouse on the activity the user wants
// to switch to.
this.button.connect('clicked', Lang.bind(this, function(b, event) {
if (!Main.overview.animationInProgress) {
this._maybeToggleOverviewOnClick();
return true;
} else {
return false;
}
}));
// In addition to pressing the button, the Overview can be entered and exited by other means, such as
// pressing the System key, Alt+F1 or Esc. We want the button to be pressed in when the Overview is entered
// and to be released when it is exited regardless of how it was triggered.
Main.overview.connect('showing', Lang.bind(this, function() {
this.button.active = true;
}));
Main.overview.connect('hiding', Lang.bind(this, function() {
this.button.active = false;
}));
Main.chrome.addActor(this.actor, { visibleInOverview: true });
},
_xdndShowOverview: 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.button) {
Mainloop.source_remove(this.button._xdndTimeOut);
this.button._xdndTimeOut = 0;
return;
}
if(!Main.overview.visible && !Main.overview.animationInProgress) {
Main.overview.showTemporarily();
Main.overview.beginItemDrag(actor);
}
Mainloop.source_remove(this.button._xdndTimeOut);
this.button._xdndTimeOut = 0;
},
startStatusArea: function() {
for (let i = 0; i < STANDARD_TRAY_ICON_ORDER.length; i++) {
let role = STANDARD_TRAY_ICON_ORDER[i];
let constructor = STANDARD_TRAY_ICON_SHELL_IMPLEMENTATION[role];
if (!constructor) {
// This icon is not implemented (this is a bug)
continue;
}
let indicator = new constructor();
this._statusBox.add(indicator.actor);
this._menus.addMenu(indicator.menu);
}
this._statusmenu = new StatusMenu.StatusMenuButton();
this._menus.addMenu(this._statusmenu.menu);
this._rightBox.add(this._statusmenu.actor);
},
hideCalendar: function() {
this._clockButton.closeCalendar();
},
startupAnimation: function() {
this.actor.y = -this.actor.height;
Tweener.addTween(this.actor,
{ y: 0,
time: 0.2,
transition: 'easeOutQuad'
});
},
_onTrayIconAdded: function(o, icon, role) {
icon.height = PANEL_ICON_SIZE;
if (STANDARD_TRAY_ICON_SHELL_IMPLEMENTATION[role]) {
// This icon is legacy, and replaced by a Shell version
// Hide it
return;
}
// Figure out the index in our well-known order for this icon
let position = STANDARD_TRAY_ICON_ORDER.indexOf(role);
icon._rolePosition = position;
let children = this._trayBox.get_children();
let i;
// Walk children backwards, until we find one that isn't
// well-known, or one where we should follow
for (i = children.length - 1; i >= 0; i--) {
let rolePosition = children[i]._rolePosition;
if (!rolePosition || position > rolePosition) {
this._trayBox.insert_actor(icon, i + 1);
break;
}
}
if (i == -1) {
// If we didn't find a position, we must be first
this._trayBox.insert_actor(icon, 0);
}
// Make sure the trayBox is shown.
this._trayBox.show();
},
_onTrayIconRemoved: function(o, icon) {
if (icon.get_parent() != null)
this._trayBox.remove_actor(icon);
},
_addRipple : function(delay, time, startScale, startOpacity, finalScale, finalOpacity) {
// We draw a ripple by using a source image and animating it scaling
// outwards and fading away. We want the ripples to move linearly
// or it looks unrealistic, but if the opacity of the ripple goes
// linearly to zero it fades away too quickly, so we use Tweener's
// 'onUpdate' to give a non-linear curve to the fade-away and make
// it more visible in the middle section.
let [x, y] = this._hotCorner.get_transformed_position();
let ripple = new St.BoxLayout({ style_class: 'ripple-box',
opacity: 255 * Math.sqrt(startOpacity),
scale_x: startScale,
scale_y: startScale,
x: x,
y: y });
ripple._opacity = startOpacity;
Tweener.addTween(ripple, { _opacity: finalOpacity,
scale_x: finalScale,
scale_y: finalScale,
delay: delay,
time: time,
transition: 'linear',
onUpdate: function() { ripple.opacity = 255 * Math.sqrt(ripple._opacity); },
onComplete: function() { ripple.destroy(); } });
Main.uiGroup.add_actor(ripple);
},
rippleAnimation: function() {
// Show three concentric ripples expanding outwards; the exact
// parameters were found by trial and error, so don't look
// for them to make perfect sense mathematically
// delay time scale opacity => scale opacity
this._addRipple(0.0, 0.83, 0.25, 1.0, 1.5, 0.0);
this._addRipple(0.05, 1.0, 0.0, 0.7, 1.25, 0.0);
this._addRipple(0.35, 1.0, 0.0, 0.3, 1, 0.0);
},
_onHotCornerEntered : function() {
if (this._menus.grabbed)
return false;
if (!this._hotCornerEntered) {
this._hotCornerEntered = true;
if (!Main.overview.animationInProgress) {
this._hotCornerActivationTime = Date.now() / 1000;
this.rippleAnimation();
Main.overview.toggle();
}
}
return false;
},
_onHotCornerClicked : function() {
if (this._menus.grabbed)
return false;
if (!Main.overview.animationInProgress) {
this._maybeToggleOverviewOnClick();
}
return false;
},
_onHotCornerLeft : function(actor, event) {
if (event.get_related() != this._hotCornerEnvirons) {
this._hotCornerEntered = false;
}
return false;
},
_onHotCornerEnvironsLeft : function(actor, event) {
if (event.get_related() != this._hotCorner) {
this._hotCornerEntered = false;
}
return false;
},
// Toggles the overview unless this is the first click on the Activities button within the HOT_CORNER_ACTIVATION_TIMEOUT time
// of the hot corner being triggered. This check avoids opening and closing the overview if the user both triggered the hot corner
// and clicked the Activities button.
_maybeToggleOverviewOnClick: function() {
if (this._hotCornerActivationTime == 0 || Date.now() / 1000 - this._hotCornerActivationTime > HOT_CORNER_ACTIVATION_TIMEOUT)
Main.overview.toggle();
this._hotCornerActivationTime = 0;
}
};
function CalendarPopup() {
this._init();
}
CalendarPopup.prototype = {
_init: function() {
let panelActor = Main.panel.actor;
let alignConstraint = new Clutter.AlignConstraint({ source: panelActor,
align_axis: Clutter.AlignAxis.X_AXIS,
factor: 0.5 });
this.actor = new St.Bin({ name: 'calendarPopup' });
this.calendar = new Calendar.Calendar();
this.actor.set_child(this.calendar.actor);
this.isOpen = false;
Main.chrome.addActor(this.actor, { visibleInOverview: true,
affectsStruts: false });
this.actor.y = (panelActor.y + panelActor.height - this.actor.height);
this.actor.add_constraint(alignConstraint);
},
show: function() {
let panelActor = Main.panel.actor;
if (this.isOpen)
return;
this.isOpen = true;
// Reset the calendar to today's date
this.calendar.setDate(new Date());
this.actor.lower(panelActor);
this.actor.show();
Tweener.addTween(this.actor,
{ y: panelActor.y + panelActor.height,
time: 0.2,
transition: 'easeOutQuad'
});
},
hide: function() {
let panelActor = Main.panel.actor;
if (!this.isOpen)
return;
this.isOpen = false;
Tweener.addTween(this.actor,
{ y: panelActor.y + panelActor.height - this.actor.height,
time: 0.2,
transition: 'easeOutQuad',
onComplete: function() { this.actor.hide(); },
onCompleteScope: this
});
}
};
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