gnome-shell/js/ui/messageList.js
Florian Müllner f309d98bc8 cleanup: Use more template strings
xgettext got better at recognizing template strings, so we can
replace more string concatenations. Alas xgettext is still buggy
(surprise, regular expressions are hard), so there are still a
handful of holdouts that prevent us from making a complete switch.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/792
2019-11-05 01:51:29 +00:00

739 lines
23 KiB
JavaScript

/* exported MessageListSection */
const { Atk, Clutter, Gio, GLib,
GObject, Graphene, Meta, Pango, St } = imports.gi;
const Main = imports.ui.main;
const MessageTray = imports.ui.messageTray;
const Calendar = imports.ui.calendar;
const Util = imports.misc.util;
var MESSAGE_ANIMATION_TIME = 100;
var DEFAULT_EXPAND_LINES = 6;
function _fixMarkup(text, allowMarkup) {
if (allowMarkup) {
// Support &, ", ', < and >, escape all other
// occurrences of '&'.
let _text = text.replace(/&(?!amp;|quot;|apos;|lt;|gt;)/g, '&');
// Support <b>, <i>, and <u>, escape anything else
// so it displays as raw markup.
// Ref: https://developer.gnome.org/notification-spec/#markup
_text = _text.replace(/<(?!\/?[biu]>)/g, '&lt;');
try {
Pango.parse_markup(_text, -1, '');
return _text;
} catch (e) {}
}
// !allowMarkup, or invalid markup
return GLib.markup_escape_text(text, -1);
}
var URLHighlighter = GObject.registerClass(
class URLHighlighter extends St.Label {
_init(text = '', lineWrap, allowMarkup) {
super._init({
reactive: true,
style_class: 'url-highlighter',
x_expand: true,
x_align: Clutter.ActorAlign.START
});
this._linkColor = '#ccccff';
this.connect('style-changed', () => {
let [hasColor, color] = this.get_theme_node().lookup_color('link-color', false);
if (hasColor) {
let linkColor = color.to_string().substr(0, 7);
if (linkColor != this._linkColor) {
this._linkColor = linkColor;
this._highlightUrls();
}
}
});
this.clutter_text.line_wrap = lineWrap;
this.clutter_text.line_wrap_mode = Pango.WrapMode.WORD_CHAR;
this.setMarkup(text, allowMarkup);
}
vfunc_button_press_event(buttonEvent) {
// Don't try to URL highlight when invisible.
// The MessageTray doesn't actually hide us, so
// we need to check for paint opacities as well.
if (!this.visible || this.get_paint_opacity() == 0)
return Clutter.EVENT_PROPAGATE;
// Keep Notification from seeing this and taking
// a pointer grab, which would block our button-release-event
// handler, if an URL is clicked
return this._findUrlAtPos(buttonEvent) != -1;
}
vfunc_button_release_event(buttonEvent) {
if (!this.visible || this.get_paint_opacity() == 0)
return Clutter.EVENT_PROPAGATE;
let urlId = this._findUrlAtPos(buttonEvent);
if (urlId != -1) {
let url = this._urls[urlId].url;
if (!url.includes(':'))
url = `http://${url}`;
Gio.app_info_launch_default_for_uri(
url, global.create_app_launch_context(0, -1));
return Clutter.EVENT_STOP;
}
return Clutter.EVENT_PROPAGATE;
}
vfunc_motion_event(motionEvent) {
if (!this.visible || this.get_paint_opacity() == 0)
return Clutter.EVENT_PROPAGATE;
let urlId = this._findUrlAtPos(motionEvent);
if (urlId != -1 && !this._cursorChanged) {
global.display.set_cursor(Meta.Cursor.POINTING_HAND);
this._cursorChanged = true;
} else if (urlId == -1) {
global.display.set_cursor(Meta.Cursor.DEFAULT);
this._cursorChanged = false;
}
return Clutter.EVENT_PROPAGATE;
}
vfunc_leave_event(crossingEvent) {
if (!this.visible || this.get_paint_opacity() == 0)
return Clutter.EVENT_PROPAGATE;
if (this._cursorChanged) {
this._cursorChanged = false;
global.display.set_cursor(Meta.Cursor.DEFAULT);
}
return super.vfunc_leave_event(crossingEvent);
}
setMarkup(text, allowMarkup) {
text = text ? _fixMarkup(text, allowMarkup) : '';
this._text = text;
this.clutter_text.set_markup(text);
/* clutter_text.text contain text without markup */
this._urls = Util.findUrls(this.clutter_text.text);
this._highlightUrls();
}
_highlightUrls() {
// text here contain markup
let urls = Util.findUrls(this._text);
let markup = '';
let pos = 0;
for (let i = 0; i < urls.length; i++) {
let url = urls[i];
let str = this._text.substr(pos, url.pos - pos);
markup += `${str}<span foreground="${this._linkColor}"><u>${url.url}</u></span>`;
pos = url.pos + url.url.length;
}
markup += this._text.substr(pos);
this.clutter_text.set_markup(markup);
}
_findUrlAtPos(event) {
let { x, y } = event;
[, x, y] = this.transform_stage_point(x, y);
let findPos = -1;
for (let i = 0; i < this.clutter_text.text.length; i++) {
let [, px, py, lineHeight] = this.clutter_text.position_to_coords(i);
if (py > y || py + lineHeight < y || x < px)
continue;
findPos = i;
}
if (findPos != -1) {
for (let i = 0; i < this._urls.length; i++)
if (findPos >= this._urls[i].pos &&
this._urls[i].pos + this._urls[i].url.length > findPos)
return i;
}
return -1;
}
});
var ScaleLayout = GObject.registerClass(
class ScaleLayout extends Clutter.BinLayout {
_init(params) {
this._container = null;
super._init(params);
}
_connectContainer(container) {
if (this._container == container)
return;
if (this._container)
for (let id of this._signals)
this._container.disconnect(id);
this._container = container;
this._signals = [];
if (this._container)
for (let signal of ['notify::scale-x', 'notify::scale-y']) {
let id = this._container.connect(signal, () => {
this.layout_changed();
});
this._signals.push(id);
}
}
vfunc_get_preferred_width(container, forHeight) {
this._connectContainer(container);
let [min, nat] = super.vfunc_get_preferred_width(container, forHeight);
return [Math.floor(min * container.scale_x),
Math.floor(nat * container.scale_x)];
}
vfunc_get_preferred_height(container, forWidth) {
this._connectContainer(container);
let [min, nat] = super.vfunc_get_preferred_height(container, forWidth);
return [Math.floor(min * container.scale_y),
Math.floor(nat * container.scale_y)];
}
});
var LabelExpanderLayout = GObject.registerClass({
Properties: {
'expansion': GObject.ParamSpec.double('expansion',
'Expansion',
'Expansion of the layout, between 0 (collapsed) ' +
'and 1 (fully expanded',
GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
0, 1, 0)
},
}, class LabelExpanderLayout extends Clutter.LayoutManager {
_init(params) {
this._expansion = 0;
this._expandLines = DEFAULT_EXPAND_LINES;
super._init(params);
}
get expansion() {
return this._expansion;
}
set expansion(v) {
if (v == this._expansion)
return;
this._expansion = v;
this.notify('expansion');
let visibleIndex = this._expansion > 0 ? 1 : 0;
for (let i = 0; this._container && i < this._container.get_n_children(); i++)
this._container.get_child_at_index(i).visible = (i == visibleIndex);
this.layout_changed();
}
set expandLines(v) {
if (v == this._expandLines)
return;
this._expandLines = v;
if (this._expansion > 0)
this.layout_changed();
}
vfunc_set_container(container) {
this._container = container;
}
vfunc_get_preferred_width(container, forHeight) {
let [min, nat] = [0, 0];
for (let i = 0; i < container.get_n_children(); i++) {
if (i > 1)
break; // we support one unexpanded + one expanded child
let child = container.get_child_at_index(i);
let [childMin, childNat] = child.get_preferred_width(forHeight);
[min, nat] = [Math.max(min, childMin), Math.max(nat, childNat)];
}
return [min, nat];
}
vfunc_get_preferred_height(container, forWidth) {
let [min, nat] = [0, 0];
let children = container.get_children();
if (children[0])
[min, nat] = children[0].get_preferred_height(forWidth);
if (children[1]) {
let [min2, nat2] = children[1].get_preferred_height(forWidth);
let [expMin, expNat] = [Math.min(min2, min * this._expandLines),
Math.min(nat2, nat * this._expandLines)];
[min, nat] = [min + this._expansion * (expMin - min),
nat + this._expansion * (expNat - nat)];
}
return [min, nat];
}
vfunc_allocate(container, box, flags) {
for (let i = 0; i < container.get_n_children(); i++) {
let child = container.get_child_at_index(i);
if (child.visible)
child.allocate(box, flags);
}
}
});
var Message = GObject.registerClass({
Signals: {
'close': {},
'expanded': {},
'unexpanded': {},
}
}, class Message extends St.Button {
_init(title, body) {
super._init({
style_class: 'message',
accessible_role: Atk.Role.NOTIFICATION,
can_focus: true,
x_expand: true,
y_expand: true,
});
this.expanded = false;
this._useBodyMarkup = false;
let vbox = new St.BoxLayout({
vertical: true,
x_expand: true,
});
this.set_child(vbox);
let hbox = new St.BoxLayout();
vbox.add_actor(hbox);
this._actionBin = new St.Widget({ layout_manager: new ScaleLayout(),
visible: false });
vbox.add_actor(this._actionBin);
this._iconBin = new St.Bin({ style_class: 'message-icon-bin',
y_expand: true,
y_align: Clutter.ActorAlign.START,
visible: false });
hbox.add_actor(this._iconBin);
let contentBox = new St.BoxLayout({ style_class: 'message-content',
vertical: true, x_expand: true });
hbox.add_actor(contentBox);
this._mediaControls = new St.BoxLayout();
hbox.add_actor(this._mediaControls);
let titleBox = new St.BoxLayout();
contentBox.add_actor(titleBox);
this.titleLabel = new St.Label({ style_class: 'message-title' });
this.setTitle(title);
titleBox.add_actor(this.titleLabel);
this._secondaryBin = new St.Bin({ style_class: 'message-secondary-bin',
x_expand: true, y_expand: true, });
titleBox.add_actor(this._secondaryBin);
let closeIcon = new St.Icon({ icon_name: 'window-close-symbolic',
icon_size: 16 });
this._closeButton = new St.Button({ child: closeIcon, opacity: 0 });
titleBox.add_actor(this._closeButton);
this._bodyStack = new St.Widget({ x_expand: true });
this._bodyStack.layout_manager = new LabelExpanderLayout();
contentBox.add_actor(this._bodyStack);
this.bodyLabel = new URLHighlighter('', false, this._useBodyMarkup);
this.bodyLabel.add_style_class_name('message-body');
this._bodyStack.add_actor(this.bodyLabel);
this.setBody(body);
this._closeButton.connect('clicked', this.close.bind(this));
let actorHoverId = this.connect('notify::hover', this._sync.bind(this));
this._closeButton.connect('destroy', this.disconnect.bind(this, actorHoverId));
this.connect('destroy', this._onDestroy.bind(this));
this._sync();
}
close() {
this.emit('close');
}
setIcon(actor) {
this._iconBin.child = actor;
this._iconBin.visible = (actor != null);
}
setSecondaryActor(actor) {
this._secondaryBin.child = actor;
}
setTitle(text) {
let title = text ? _fixMarkup(text.replace(/\n/g, ' '), false) : '';
this.titleLabel.clutter_text.set_markup(title);
}
setBody(text) {
this._bodyText = text;
this.bodyLabel.setMarkup(text ? text.replace(/\n/g, ' ') : '',
this._useBodyMarkup);
if (this._expandedLabel)
this._expandedLabel.setMarkup(text, this._useBodyMarkup);
}
setUseBodyMarkup(enable) {
if (this._useBodyMarkup === enable)
return;
this._useBodyMarkup = enable;
if (this.bodyLabel)
this.setBody(this._bodyText);
}
setActionArea(actor) {
if (actor == null) {
if (this._actionBin.get_n_children() > 0)
this._actionBin.get_child_at_index(0).destroy();
return;
}
if (this._actionBin.get_n_children() > 0)
throw new Error('Message already has an action area');
this._actionBin.add_actor(actor);
this._actionBin.visible = this.expanded;
}
addMediaControl(iconName, callback) {
let icon = new St.Icon({ icon_name: iconName, icon_size: 16 });
let button = new St.Button({ style_class: 'message-media-control',
child: icon });
button.connect('clicked', callback);
this._mediaControls.add_actor(button);
return button;
}
setExpandedBody(actor) {
if (actor == null) {
if (this._bodyStack.get_n_children() > 1)
this._bodyStack.get_child_at_index(1).destroy();
return;
}
if (this._bodyStack.get_n_children() > 1)
throw new Error('Message already has an expanded body actor');
this._bodyStack.insert_child_at_index(actor, 1);
}
setExpandedLines(nLines) {
this._bodyStack.layout_manager.expandLines = nLines;
}
expand(animate) {
this.expanded = true;
this._actionBin.visible = (this._actionBin.get_n_children() > 0);
if (this._bodyStack.get_n_children() < 2) {
this._expandedLabel = new URLHighlighter(this._bodyText,
true, this._useBodyMarkup);
this.setExpandedBody(this._expandedLabel);
}
if (animate) {
this._bodyStack.ease_property('@layout.expansion', 1, {
progress_mode: Clutter.AnimationMode.EASE_OUT_QUAD,
duration: MessageTray.ANIMATION_TIME,
});
this._actionBin.scale_y = 0;
this._actionBin.ease({
scale_y: 1,
duration: MessageTray.ANIMATION_TIME,
mode: Clutter.AnimationMode.EASE_OUT_QUAD
});
} else {
this._bodyStack.layout_manager.expansion = 1;
this._actionBin.scale_y = 1;
}
this.emit('expanded');
}
unexpand(animate) {
if (animate) {
this._bodyStack.ease_property('@layout.expansion', 0, {
progress_mode: Clutter.AnimationMode.EASE_OUT_QUAD,
duration: MessageTray.ANIMATION_TIME,
});
this._actionBin.ease({
scale_y: 0,
duration: MessageTray.ANIMATION_TIME,
mode: Clutter.AnimationMode.EASE_OUT_QUAD,
onComplete: () => {
this._actionBin.hide();
this.expanded = false;
}
});
} else {
this._bodyStack.layout_manager.expansion = 0;
this._actionBin.scale_y = 0;
this.expanded = false;
}
this.emit('unexpanded');
}
canClose() {
return false;
}
_sync() {
let visible = this.hover && this.canClose();
this._closeButton.opacity = visible ? 255 : 0;
this._closeButton.reactive = visible;
}
_onDestroy() {
}
vfunc_key_press_event(keyEvent) {
let keysym = keyEvent.keyval;
if (keysym == Clutter.KEY_Delete ||
keysym == Clutter.KEY_KP_Delete) {
this.close();
return Clutter.EVENT_STOP;
}
return Clutter.EVENT_PROPAGATE;
}
});
var MessageListSection = GObject.registerClass({
Properties: {
'can-clear': GObject.ParamSpec.boolean(
'can-clear', 'can-clear', 'can-clear',
GObject.ParamFlags.READABLE,
false),
'empty': GObject.ParamSpec.boolean(
'empty', 'empty', 'empty',
GObject.ParamFlags.READABLE,
true),
},
Signals: {
'can-clear-changed': {},
'empty-changed': {},
'message-focused': { param_types: [Message.$gtype] },
}
}, class MessageListSection extends St.BoxLayout {
_init() {
super._init({
style_class: 'message-list-section',
clip_to_allocation: true,
vertical: true,
x_expand: true
});
this._list = new St.BoxLayout({ style_class: 'message-list-section-list',
vertical: true });
this.add_actor(this._list);
this._list.connect('actor-added', this._sync.bind(this));
this._list.connect('actor-removed', this._sync.bind(this));
let id = Main.sessionMode.connect('updated',
this._sync.bind(this));
this.connect('destroy', () => {
Main.sessionMode.disconnect(id);
});
this._date = new Date();
this._empty = true;
this._canClear = false;
this._sync();
}
get empty() {
return this._empty;
}
get canClear() {
return this._canClear;
}
get _messages() {
return this._list.get_children().map(i => i.child);
}
_onKeyFocusIn(messageActor) {
this.emit('message-focused', messageActor);
}
get allowed() {
return true;
}
setDate(date) {
if (Calendar.sameDay(date, this._date))
return;
this._date = date;
this._sync();
}
addMessage(message, animate) {
this.addMessageAtIndex(message, -1, animate);
}
addMessageAtIndex(message, index, animate) {
if (this._messages.includes(message))
throw new Error('Message was already added previously');
let listItem = new St.Bin({
child: message,
layout_manager: new ScaleLayout(),
pivot_point: new Graphene.Point({ x: .5, y: .5 }),
});
listItem._connectionsIds = [];
listItem._connectionsIds.push(message.connect('key-focus-in',
this._onKeyFocusIn.bind(this)));
listItem._connectionsIds.push(message.connect('close', () => {
this.removeMessage(message, true);
}));
listItem._connectionsIds.push(message.connect('destroy', () => {
listItem._connectionsIds.forEach(id => message.disconnect(id));
listItem.destroy();
}));
this._list.insert_child_at_index(listItem, index);
if (animate) {
listItem.set({ scale_x: 0, scale_y: 0 });
listItem.ease({
scale_x: 1,
scale_y: 1,
duration: MESSAGE_ANIMATION_TIME,
mode: Clutter.AnimationMode.EASE_OUT_QUAD
});
}
}
moveMessage(message, index, animate) {
if (!this._messages.includes(message))
throw new Error(`Impossible to move the untracked message ${message}`);
let listItem = message.get_parent();
if (!animate) {
this._list.set_child_at_index(listItem, index);
return;
}
let onComplete = () => {
this._list.set_child_at_index(listItem, index);
listItem.ease({
scale_x: 1,
scale_y: 1,
duration: MESSAGE_ANIMATION_TIME,
mode: Clutter.AnimationMode.EASE_OUT_QUAD
});
};
listItem.ease({
scale_x: 0,
scale_y: 0,
duration: MESSAGE_ANIMATION_TIME,
mode: Clutter.AnimationMode.EASE_OUT_QUAD,
onComplete
});
}
removeMessage(message, animate) {
if (!this._messages.includes(message))
throw new Error(`Impossible to remove the untracked message ${message}`);
let listItem = message.get_parent();
listItem._connectionsIds.forEach(id => message.disconnect(id));
if (animate) {
listItem.ease({
scale_x: 0,
scale_y: 0,
duration: MESSAGE_ANIMATION_TIME,
mode: Clutter.AnimationMode.EASE_OUT_QUAD,
onComplete: () => {
listItem.destroy();
global.sync_pointer();
}
});
} else {
listItem.destroy();
global.sync_pointer();
}
}
clear() {
let messages = this._messages.filter(msg => msg.canClose());
// If there are few messages, letting them all zoom out looks OK
if (messages.length < 2) {
messages.forEach(message => {
message.close();
});
} else {
// Otherwise we slide them out one by one, and then zoom them
// out "off-screen" in the end to smoothly shrink the parent
let delay = MESSAGE_ANIMATION_TIME / Math.max(messages.length, 5);
for (let i = 0; i < messages.length; i++) {
let message = messages[i];
message.get_parent().ease({
translation_x: this._list.width,
opacity: 0,
duration: MESSAGE_ANIMATION_TIME,
delay: i * delay,
mode: Clutter.AnimationMode.EASE_OUT_QUAD,
onComplete: () => message.close()
});
}
}
}
_shouldShow() {
return !this.empty;
}
_sync() {
let messages = this._messages;
let empty = messages.length == 0;
if (this._empty != empty) {
this._empty = empty;
this.notify('empty');
}
let canClear = messages.some(m => m.canClose());
if (this._canClear != canClear) {
this._canClear = canClear;
this.notify('can-clear');
}
this.visible = this.allowed && this._shouldShow();
}
});