gnome-shell/js/ui/realms/realmSwitcher.js

326 lines
10 KiB
JavaScript

const { Clutter, GObject, Meta, Shell, St } = imports.gi;
const Background = imports.ui.background;
const SwitcherPopup = imports.ui.switcherPopup;
const Layout = imports.ui.layout;
const Main = imports.ui.main;
const WINDOW_ANIMATION_TIME = 2000;
var APP_ICON_SIZE = 96;
var RealmItem = GObject.registerClass(
class RealmItem extends St.BoxLayout {
_init(realm, workspace_group) {
super._init({ vertical: true });
this.realm = realm;
this.add_child(workspace_group);
this.label = new St.Label({
text: `realm-${this.realm.realm_name}`,
x_align: Clutter.ActorAlign.CENTER,
});
this.add_child(this.label);
}
activate() {
this.realm.set_current();
}
});
function getRealmItems() {
const monitor = Main.layoutManager.primaryMonitor;
const realms = Shell.Realms.get_default();
let realm_list = realms.get_running_realms();
let items = [];
realm_list.forEach(realm => {
let ws = realm.get_active_workspace();
if (ws) {
let size = 256; // default thumbnail size
let scale = Math.min(1.0, size / monitor.width, size / monitor.height);
let wsgroup = new WorkspaceGroup(ws, monitor, scale);
items.push(new RealmItem(realm, wsgroup));
}
});
return items;
}
var SwitchRealmList = GObject.registerClass(
class SwitchRealmList extends SwitcherPopup.SwitcherList {
_init(items) {
super._init(false);
items.forEach(item => {
this.addItem(item, item.label);
});
}
});
var SwitchRealmPopup = GObject.registerClass(
class SwitchRealmPopup extends SwitcherPopup.SwitcherPopup {
_init(action, actionBackward) {
super._init();
this._action = action;
this._actionBackward = actionBackward;
this._items = getRealmItems();
this._switcherList = new SwitchRealmList(this._items);
}
_keyPressHandler(keysym, action) {
if (action == this._action)
this._select(this._next());
else if (action == this._actionBackward)
this._select(this._previous());
else if (keysym == Clutter.KEY_Left)
this._select(this._previous());
else if (keysym == Clutter.KEY_Right)
this._select(this._next());
else
return Clutter.EVENT_PROPAGATE;
return Clutter.EVENT_STOP;
}
_finish() {
super._finish();
this._items[this._selectedIndex].activate();
}
});
const WorkspaceGroup = GObject.registerClass(
class WorkspaceGroup extends Clutter.Actor {
_init(workspace, monitor, scale = 1.0) {
super._init();
this._workspace = workspace;
this._monitor = monitor;
this._scale = scale;
this._windowRecords = [];
this.width = monitor.width * scale;
this.height = monitor.height * scale;
this._background = new Meta.BackgroundGroup({
width: this.width * this._scale,
height: this.height * this._scale,
});
this.add_actor(this._background);
this._bgManager = new Background.BackgroundManager({
container: this._background,
monitorIndex: this._monitor.index,
controlPosition: false,
});
this.clip_to_allocation = true;
this._createWindows();
this.connect('destroy', this._onDestroy.bind(this));
this._restackedId = global.display.connect('restacked', this._syncStacking.bind(this));
}
get workspace() {
return this._workspace;
}
_shouldShowWindow(window) {
if (!window.showing_on_its_workspace())
return false;
const geometry = global.display.get_monitor_geometry(this._monitor.index);
const [intersects] = window.get_frame_rect().intersect(geometry);
if (!intersects)
return false;
const isSticky = window.is_on_all_workspaces();
return !isSticky && window.located_on_workspace(this._workspace);
}
_syncStacking() {
const windowActors = global.get_window_actors().filter(w =>
this._shouldShowWindow(w.meta_window));
let lastRecord;
for (const windowActor of windowActors) {
const record = this._windowRecords.find(r => r.windowActor === windowActor);
this.set_child_above_sibling(record.clone, lastRecord ? lastRecord.clone : this._background);
lastRecord = record;
}
}
_createWindows() {
const windowActors = global.get_window_actors().filter(w =>
this._shouldShowWindow(w.meta_window));
for (const windowActor of windowActors) {
let [width,height] = windowActor.get_size();
const clone = new Clutter.Clone({
source: windowActor,
width: width * this._scale,
height: height * this._scale,
x: (windowActor.x - this._monitor.x) * this._scale,
y: (windowActor.y - this._monitor.y) * this._scale,
});
this.add_child(clone);
const record = {windowActor, clone };
record.windowDestroyId = windowActor.connect('destroy', () => {
clone.destroy();
this._windowRecords.splice(this._windowRecords.indexOf(record), 1);
});
this._windowRecords.push(record);
}
}
_removeWindows() {
for (const record of this._windowRecords) {
record.windowActor.disconnect(record.windowDestroyId);
record.clone.destroy();
}
this._windowRecords = [];
}
_onDestroy() {
global.display.disconnect(this._restackedId);
this._removeWindows();
this._bgManager.destroy();
}
});
const MonitorGroup = GObject.registerClass({
Properties: {
'progress': GObject.ParamSpec.double(
'progress', 'progress', 'progress',
GObject.ParamFlags.READWRITE,
-Infinity, Infinity, 0),
},
}, class MonitorGroup extends St.Widget {
_init(monitor, fromIndex, toIndex) {
super._init({
clip_to_allocation: true,
style_class: 'workspace-animation',
});
this._monitor = monitor;
const constraint = new Layout.MonitorConstraint({ index: monitor.index });
this.add_constraint(constraint);
this._container = new Clutter.Actor();
this.add_child(this._container);
this._progress = 0;
this._fadeOut = true;
this._workspaceGroups = [];
this._blackBackground = new Clutter.Actor();
this._blackBackground.width = monitor.width;
this._blackBackground.height = monitor.height;
let [_res, color] = Clutter.Color.from_string("#000000ff");
this._blackBackground.background_color = color;
this.addWorkspaceByIndex(toIndex, monitor);
// add opaque black actor
this._container.add_child(this._blackBackground);
this.addWorkspaceByIndex(fromIndex, monitor);
// tween 'from' WorkspaceGroup opacity from 255 to 0 fading workspace to black background
// tween 'block' actor opacity from 255 to 0 revealing 'to' WorkspaceGroup
}
addWorkspaceByIndex(idx, monitor) {
const workspaceManager = global.workspace_manager;
const ws = workspaceManager.get_workspace_by_index(idx);
if (ws) {
const fullscreen = ws.list_windows().some(w => w.get_monitor() === monitor.index && w.is_fullscreen());
const group = new WorkspaceGroup(ws, monitor);
this._workspaceGroups.push(group);
this._container.add_child(group);
}
}
get progress() {
return this._progress;
}
// Interpolate opacity from 0 (full opaque) to 50 (full transparent)
calculateOpacity(progress) {
return 255 - (255 * (progress / 50.0));
}
set progress(p) {
const fromGroup = this._workspaceGroups[this._workspaceGroups.length - 1];
this._progress = p;
// 0 - 50
if (p < 50) {
this._blackBackground.opacity = 255;
fromGroup.opacity = this.calculateOpacity(p);
} else if (p < 100) {
if (this._fadeOut) {
this._fadeOut = false;
}
fromGroup.opacity = 0;
this._blackBackground.opacity = this.calculateOpacity(p - 50);
} else {
fromGroup.opacity = 0;
this._blackBackground.opacity = 0;
}
}
});
var ContextSwitchAnimationController = class {
constructor(indicator) {
this._switchData = null;
this._indicator = indicator;
}
_prepareContextSwitch(fromIdx, toIdx) {
if (this._switchData) {
this._switchData.monitors[0].remove_all_transitions();
this._finishContextSwitch(this._switchData);
}
const switchData = {};
this._switchData = switchData;
switchData.monitors = [];
switchData.inProgress = false;
const monitor = Main.layoutManager.primaryMonitor;
const group = new MonitorGroup(monitor, fromIdx, toIdx);
Main.uiGroup.insert_child_above(group, global.window_group);
switchData.monitors.push(group);
Meta.disable_unredirect_for_display(global.display);
}
_finishContextSwitch(switchData) {
Meta.enable_unredirect_for_display(global.display);
this._indicator.update();
this._switchData = null;
switchData.monitors.forEach(m => m.destroy());
if (switchData.onComplete) {
switchData.onComplete();
}
}
animateSwitch(fromIdx, toIdx, onComplete) {
this._prepareContextSwitch(fromIdx, toIdx);
this._switchData.inProgress = true;
this._switchData.onComplete = onComplete;
const params = {
duration: WINDOW_ANIMATION_TIME,
mode: Clutter.AnimationMode.EASE_IN_OUT_QUAD,
};
params.onComplete = () => {
this._finishContextSwitch(this._switchData);
};
this._indicator.clear();
this._switchData.monitors[0].ease_property('progress', 100, params);
}
}