55b57421dc
Inheriting from actors allows to use virtual functions instead of signal connections for multiple cases, so just use them when possible. https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/559
826 lines
26 KiB
JavaScript
826 lines
26 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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/* exported SearchResultsView, SearchResultInterface */
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const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
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const AppDisplay = imports.ui.appDisplay;
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const IconGrid = imports.ui.iconGrid;
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const Main = imports.ui.main;
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const RemoteSearch = imports.ui.remoteSearch;
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const Util = imports.misc.util;
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const SEARCH_PROVIDERS_SCHEMA = 'org.gnome.desktop.search-providers';
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var MAX_LIST_SEARCH_RESULTS_ROWS = 5;
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var MAX_GRID_SEARCH_RESULTS_ROWS = 1;
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var MaxWidthBox = GObject.registerClass(
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class MaxWidthBox extends St.BoxLayout {
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vfunc_allocate(box, flags) {
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let themeNode = this.get_theme_node();
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let maxWidth = themeNode.get_max_width();
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let availWidth = box.x2 - box.x1;
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let adjustedBox = box;
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if (availWidth > maxWidth) {
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let excessWidth = availWidth - maxWidth;
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adjustedBox.x1 += Math.floor(excessWidth / 2);
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adjustedBox.x2 -= Math.floor(excessWidth / 2);
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}
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super.vfunc_allocate(adjustedBox, flags);
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}
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});
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var SearchResultInterface = GObject.registerClass({
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Requires: [Clutter.Actor],
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}, class SearchResultInterface extends GObject.Interface {
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activate() {
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throw new GObject.NotImplementedError('activate in %s'.format(this.constructor.name));
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}
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});
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var SearchResult = GObject.registerClass({
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Implements: [SearchResultInterface]
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}, class SearchResult extends St.Button {
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_init(provider, metaInfo, resultsView) {
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this.provider = provider;
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this.metaInfo = metaInfo;
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this._resultsView = resultsView;
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super._init({
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reactive: true,
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can_focus: true,
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track_hover: true,
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x_align: St.Align.START,
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y_fill: true
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});
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}
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vfunc_clicked() {
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this.activate();
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}
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activate() {
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this.provider.activateResult(this.metaInfo.id, this._resultsView.terms);
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if (this.metaInfo.clipboardText)
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St.Clipboard.get_default().set_text(
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St.ClipboardType.CLIPBOARD, this.metaInfo.clipboardText);
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Main.overview.toggle();
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}
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});
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var ListSearchResult = GObject.registerClass(
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class ListSearchResult extends SearchResult {
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_init(provider, metaInfo, resultsView) {
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super._init(provider, metaInfo, resultsView);
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this.style_class = 'list-search-result';
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this.x_fill = true;
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let content = new St.BoxLayout({ style_class: 'list-search-result-content',
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vertical: false });
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this.set_child(content);
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this._termsChangedId = 0;
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let titleBox = new St.BoxLayout({ style_class: 'list-search-result-title' });
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content.add(titleBox, { x_fill: true,
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y_fill: false,
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x_align: St.Align.START,
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y_align: St.Align.MIDDLE });
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// An icon for, or thumbnail of, content
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let icon = this.metaInfo['createIcon'](this.ICON_SIZE);
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if (icon) {
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titleBox.add(icon);
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}
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let title = new St.Label({ text: this.metaInfo['name'] });
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titleBox.add(title, { x_fill: false,
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y_fill: false,
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x_align: St.Align.START,
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y_align: St.Align.MIDDLE });
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this.label_actor = title;
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if (this.metaInfo['description']) {
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this._descriptionLabel = new St.Label({ style_class: 'list-search-result-description' });
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content.add(this._descriptionLabel, { x_fill: false,
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y_fill: false,
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x_align: St.Align.START,
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y_align: St.Align.MIDDLE });
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this._termsChangedId =
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this._resultsView.connect('terms-changed',
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this._highlightTerms.bind(this));
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this._highlightTerms();
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}
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this.connect('destroy', this._onDestroy.bind(this));
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}
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get ICON_SIZE() {
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return 24;
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}
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_highlightTerms() {
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let markup = this._resultsView.highlightTerms(this.metaInfo['description'].split('\n')[0]);
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this._descriptionLabel.clutter_text.set_markup(markup);
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}
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_onDestroy() {
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if (this._termsChangedId)
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this._resultsView.disconnect(this._termsChangedId);
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this._termsChangedId = 0;
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}
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});
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var GridSearchResult = GObject.registerClass(
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class GridSearchResult extends SearchResult {
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_init(provider, metaInfo, resultsView) {
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super._init(provider, metaInfo, resultsView);
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this.style_class = 'grid-search-result';
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this.icon = new IconGrid.BaseIcon(this.metaInfo['name'],
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{ createIcon: this.metaInfo['createIcon'] });
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let content = new St.Bin({ child: this.icon });
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this.set_child(content);
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this.label_actor = this.icon.label;
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}
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});
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var SearchResultsBase = GObject.registerClass({
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GTypeFlags: GObject.TypeFlags.ABSTRACT,
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Properties: {
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'focus-child': GObject.ParamSpec.object(
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'focus-child', 'focus-child', 'focus-child',
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GObject.ParamFlags.READABLE,
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Clutter.Actor.$gtype),
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}
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}, class SearchResultsBase extends St.BoxLayout {
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_init(provider, resultsView) {
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super._init({ style_class: 'search-section', vertical: true });
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this.provider = provider;
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this._resultsView = resultsView;
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this._terms = [];
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this._focusChild = null;
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this._resultDisplayBin = new St.Bin({ x_fill: true,
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y_fill: true });
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this.add(this._resultDisplayBin, { expand: true });
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let separator = new St.Widget({ style_class: 'search-section-separator' });
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this.add(separator);
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this._resultDisplays = {};
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this._cancellable = new Gio.Cancellable();
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this.connect('destroy', this._onDestroy.bind(this));
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}
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_onDestroy() {
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this._terms = [];
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}
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_createResultDisplay(meta) {
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if (this.provider.createResultObject)
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return this.provider.createResultObject(meta, this._resultsView);
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return null;
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}
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clear() {
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this._cancellable.cancel();
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for (let resultId in this._resultDisplays)
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this._resultDisplays[resultId].destroy();
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this._resultDisplays = {};
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this._clearResultDisplay();
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this.hide();
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}
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get focusChild() {
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return this._focusChild;
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}
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_keyFocusIn(actor) {
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if (this._focusChild == actor)
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return;
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this._focusChild = actor;
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this.notify('focus-child');
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}
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_setMoreCount(_count) {
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}
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_ensureResultActors(results, callback) {
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let metasNeeded = results.filter(
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resultId => this._resultDisplays[resultId] === undefined
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);
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if (metasNeeded.length === 0) {
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callback(true);
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} else {
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this._cancellable.cancel();
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this._cancellable.reset();
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this.provider.getResultMetas(metasNeeded, metas => {
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if (this._cancellable.is_cancelled()) {
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if (metas.length > 0)
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log(`Search provider ${this.provider.id} returned results after the request was canceled`);
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callback(false);
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return;
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}
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if (metas.length != metasNeeded.length) {
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log(`Wrong number of result metas returned by search provider ${this.provider.id}: ` +
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`expected ${metasNeeded.length} but got ${metas.length}`);
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callback(false);
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return;
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}
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if (metas.some(meta => !meta.name || !meta.id)) {
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log(`Invalid result meta returned from search provider ${this.provider.id}`);
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callback(false);
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return;
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}
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metasNeeded.forEach((resultId, i) => {
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let meta = metas[i];
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let display = this._createResultDisplay(meta);
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if (!(display instanceof SearchResultInterface))
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throw new Error(`${display} is not a valid search result`);
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display.connect('key-focus-in', this._keyFocusIn.bind(this));
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this._resultDisplays[resultId] = display;
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});
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callback(true);
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}, this._cancellable);
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}
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}
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updateSearch(providerResults, terms, callback) {
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this._terms = terms;
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if (providerResults.length == 0) {
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this._clearResultDisplay();
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this.hide();
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callback();
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} else {
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let maxResults = this._getMaxDisplayedResults();
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let results = maxResults > -1
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? this.provider.filterResults(providerResults, maxResults)
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: providerResults;
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let moreCount = Math.max(providerResults.length - results.length, 0);
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this._ensureResultActors(results, successful => {
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if (!successful) {
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this._clearResultDisplay();
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callback();
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return;
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}
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// To avoid CSS transitions causing flickering when
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// the first search result stays the same, we hide the
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// content while filling in the results.
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this.hide();
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this._clearResultDisplay();
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results.forEach(resultId => {
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this._addItem(this._resultDisplays[resultId]);
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});
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this._setMoreCount(this.provider.canLaunchSearch ? moreCount : 0);
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this.show();
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callback();
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});
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}
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}
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});
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var ListSearchResults = GObject.registerClass(
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class ListSearchResults extends SearchResultsBase {
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_init(provider, resultsView) {
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super._init(provider, resultsView);
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this._container = new St.BoxLayout({ style_class: 'search-section-content' });
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this.providerInfo = new ProviderInfo(provider);
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this.providerInfo.connect('key-focus-in', this._keyFocusIn.bind(this));
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this.providerInfo.connect('clicked', () => {
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this.providerInfo.animateLaunch();
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provider.launchSearch(this._terms);
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Main.overview.toggle();
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});
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this._container.add(this.providerInfo, { x_fill: false,
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y_fill: false,
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x_align: St.Align.START,
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y_align: St.Align.START });
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this._content = new St.BoxLayout({ style_class: 'list-search-results',
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vertical: true });
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this._container.add(this._content, { expand: true });
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this._resultDisplayBin.set_child(this._container);
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}
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_setMoreCount(count) {
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this.providerInfo.setMoreCount(count);
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}
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_getMaxDisplayedResults() {
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return MAX_LIST_SEARCH_RESULTS_ROWS;
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}
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_clearResultDisplay() {
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this._content.remove_all_children();
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}
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_createResultDisplay(meta) {
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return super._createResultDisplay(meta) ||
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new ListSearchResult(this.provider, meta, this._resultsView);
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}
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_addItem(display) {
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this._content.add_actor(display);
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}
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getFirstResult() {
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if (this._content.get_n_children() > 0)
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return this._content.get_child_at_index(0);
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else
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return null;
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}
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});
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var GridSearchResults = GObject.registerClass(
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class GridSearchResults extends SearchResultsBase {
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_init(provider, resultsView) {
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super._init(provider, resultsView);
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this._grid = new IconGrid.IconGrid({ rowLimit: MAX_GRID_SEARCH_RESULTS_ROWS,
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xAlign: St.Align.START });
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this._bin = new St.Bin({ x_align: St.Align.MIDDLE });
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this._bin.set_child(this._grid);
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this._resultDisplayBin.set_child(this._bin);
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}
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_onDestroy() {
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if (this._updateSearchLater) {
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Meta.later_remove(this._updateSearchLater);
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delete this._updateSearchLater;
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}
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super._onDestroy();
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}
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updateSearch(...args) {
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if (this._notifyAllocationId)
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this.disconnect(this._notifyAllocationId);
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if (this._updateSearchLater) {
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Meta.later_remove(this._updateSearchLater);
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delete this._updateSearchLater;
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}
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// Make sure the maximum number of results calculated by
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// _getMaxDisplayedResults() is updated after width changes.
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this._notifyAllocationId = this.connect('notify::allocation', () => {
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if (this._updateSearchLater)
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return;
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this._updateSearchLater = Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
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delete this._updateSearchLater;
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super.updateSearch(...args);
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return GLib.SOURCE_REMOVE;
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});
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});
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super.updateSearch(...args);
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}
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_getMaxDisplayedResults() {
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let width = this.allocation.get_width();
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if (width == 0)
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return -1;
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let nCols = this._grid.columnsForWidth(width);
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return nCols * this._grid.getRowLimit();
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}
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_clearResultDisplay() {
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this._grid.removeAll();
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}
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_createResultDisplay(meta) {
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return super._createResultDisplay(meta) ||
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new GridSearchResult(this.provider, meta, this._resultsView);
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}
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_addItem(display) {
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this._grid.addItem(display);
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}
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getFirstResult() {
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if (this._grid.visibleItemsCount() > 0)
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return this._grid.getItemAtIndex(0);
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else
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return null;
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}
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});
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var SearchResultsView = GObject.registerClass({
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Signals: { 'terms-changed': {} }
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}, class SearchResultsView extends St.BoxLayout {
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_init() {
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super._init({ name: 'searchResults', vertical: true });
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this._content = new MaxWidthBox({ name: 'searchResultsContent',
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vertical: true });
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this._scrollView = new St.ScrollView({ x_fill: true,
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y_fill: false,
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overlay_scrollbars: true,
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style_class: 'search-display vfade' });
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this._scrollView.set_policy(St.PolicyType.NEVER, St.PolicyType.AUTOMATIC);
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this._scrollView.add_actor(this._content);
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let action = new Clutter.PanAction({ interpolate: true });
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action.connect('pan', this._onPan.bind(this));
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this._scrollView.add_action(action);
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this.add(this._scrollView, {
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x_fill: true,
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y_fill: true,
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expand: true,
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x_align: St.Align.START,
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y_align: St.Align.STAR
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});
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this._statusText = new St.Label({ style_class: 'search-statustext' });
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this._statusBin = new St.Bin({ x_align: St.Align.MIDDLE,
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y_align: St.Align.MIDDLE });
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this.add(this._statusBin, { expand: true });
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this._statusBin.add_actor(this._statusText);
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this._highlightDefault = false;
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this._defaultResult = null;
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this._startingSearch = false;
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this._terms = [];
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this._results = {};
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this._providers = [];
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this._highlightRegex = null;
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this._searchSettings = new Gio.Settings({ schema_id: SEARCH_PROVIDERS_SCHEMA });
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this._searchSettings.connect('changed::disabled', this._reloadRemoteProviders.bind(this));
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this._searchSettings.connect('changed::enabled', this._reloadRemoteProviders.bind(this));
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this._searchSettings.connect('changed::disable-external', this._reloadRemoteProviders.bind(this));
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this._searchSettings.connect('changed::sort-order', this._reloadRemoteProviders.bind(this));
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this._searchTimeoutId = 0;
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this._cancellable = new Gio.Cancellable();
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this._registerProvider(new AppDisplay.AppSearchProvider());
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let appSystem = Shell.AppSystem.get_default();
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appSystem.connect('installed-changed', this._reloadRemoteProviders.bind(this));
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this._reloadRemoteProviders();
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}
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get terms() {
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return this._terms;
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}
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_reloadRemoteProviders() {
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let remoteProviders = this._providers.filter(p => p.isRemoteProvider);
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remoteProviders.forEach(provider => {
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this._unregisterProvider(provider);
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});
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RemoteSearch.loadRemoteSearchProviders(this._searchSettings, providers => {
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providers.forEach(this._registerProvider.bind(this));
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});
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}
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_registerProvider(provider) {
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provider.searchInProgress = false;
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this._providers.push(provider);
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this._ensureProviderDisplay(provider);
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}
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_unregisterProvider(provider) {
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let index = this._providers.indexOf(provider);
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this._providers.splice(index, 1);
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if (provider.display)
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provider.display.destroy();
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}
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_gotResults(results, provider) {
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this._results[provider.id] = results;
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this._updateResults(provider, results);
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}
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_clearSearchTimeout() {
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if (this._searchTimeoutId > 0) {
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GLib.source_remove(this._searchTimeoutId);
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this._searchTimeoutId = 0;
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}
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}
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_reset() {
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this._terms = [];
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this._results = {};
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this._clearDisplay();
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this._clearSearchTimeout();
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this._defaultResult = null;
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this._startingSearch = false;
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this._updateSearchProgress();
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}
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_doSearch() {
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this._startingSearch = false;
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let previousResults = this._results;
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this._results = {};
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|
this._providers.forEach(provider => {
|
|
provider.searchInProgress = true;
|
|
|
|
let previousProviderResults = previousResults[provider.id];
|
|
if (this._isSubSearch && previousProviderResults)
|
|
provider.getSubsearchResultSet(previousProviderResults,
|
|
this._terms,
|
|
results => {
|
|
this._gotResults(results, provider);
|
|
},
|
|
this._cancellable);
|
|
else
|
|
provider.getInitialResultSet(this._terms,
|
|
results => {
|
|
this._gotResults(results, provider);
|
|
},
|
|
this._cancellable);
|
|
});
|
|
|
|
this._updateSearchProgress();
|
|
|
|
this._clearSearchTimeout();
|
|
}
|
|
|
|
_onSearchTimeout() {
|
|
this._searchTimeoutId = 0;
|
|
this._doSearch();
|
|
return GLib.SOURCE_REMOVE;
|
|
}
|
|
|
|
setTerms(terms) {
|
|
// Check for the case of making a duplicate previous search before
|
|
// setting state of the current search or cancelling the search.
|
|
// This will prevent incorrect state being as a result of a duplicate
|
|
// search while the previous search is still active.
|
|
let searchString = terms.join(' ');
|
|
let previousSearchString = this._terms.join(' ');
|
|
if (searchString == previousSearchString)
|
|
return;
|
|
|
|
this._startingSearch = true;
|
|
|
|
this._cancellable.cancel();
|
|
this._cancellable.reset();
|
|
|
|
if (terms.length == 0) {
|
|
this._reset();
|
|
return;
|
|
}
|
|
|
|
let isSubSearch = false;
|
|
if (this._terms.length > 0)
|
|
isSubSearch = searchString.indexOf(previousSearchString) == 0;
|
|
|
|
this._terms = terms;
|
|
this._isSubSearch = isSubSearch;
|
|
this._updateSearchProgress();
|
|
|
|
if (this._searchTimeoutId == 0)
|
|
this._searchTimeoutId = GLib.timeout_add(GLib.PRIORITY_DEFAULT, 150, this._onSearchTimeout.bind(this));
|
|
|
|
let escapedTerms = this._terms.map(term => Shell.util_regex_escape(term));
|
|
this._highlightRegex = new RegExp(`(${escapedTerms.join('|')})`, 'gi');
|
|
|
|
this.emit('terms-changed');
|
|
}
|
|
|
|
_onPan(action) {
|
|
let [dist_, dx_, dy] = action.get_motion_delta(0);
|
|
let adjustment = this._scrollView.vscroll.adjustment;
|
|
adjustment.value -= (dy / this.height) * adjustment.page_size;
|
|
return false;
|
|
}
|
|
|
|
_focusChildChanged(provider) {
|
|
Util.ensureActorVisibleInScrollView(this._scrollView, provider.focusChild);
|
|
}
|
|
|
|
_ensureProviderDisplay(provider) {
|
|
if (provider.display)
|
|
return;
|
|
|
|
let providerDisplay;
|
|
if (provider.appInfo)
|
|
providerDisplay = new ListSearchResults(provider, this);
|
|
else
|
|
providerDisplay = new GridSearchResults(provider, this);
|
|
|
|
providerDisplay.connect('notify::focus-child', this._focusChildChanged.bind(this));
|
|
providerDisplay.hide();
|
|
this._content.add(providerDisplay);
|
|
provider.display = providerDisplay;
|
|
}
|
|
|
|
_clearDisplay() {
|
|
this._providers.forEach(provider => {
|
|
provider.display.clear();
|
|
});
|
|
}
|
|
|
|
_maybeSetInitialSelection() {
|
|
let newDefaultResult = null;
|
|
|
|
let providers = this._providers;
|
|
for (let i = 0; i < providers.length; i++) {
|
|
let provider = providers[i];
|
|
let display = provider.display;
|
|
|
|
if (!display.visible)
|
|
continue;
|
|
|
|
let firstResult = display.getFirstResult();
|
|
if (firstResult) {
|
|
newDefaultResult = firstResult;
|
|
break; // select this one!
|
|
}
|
|
}
|
|
|
|
if (newDefaultResult != this._defaultResult) {
|
|
this._setSelected(this._defaultResult, false);
|
|
this._setSelected(newDefaultResult, this._highlightDefault);
|
|
|
|
this._defaultResult = newDefaultResult;
|
|
}
|
|
}
|
|
|
|
get searchInProgress() {
|
|
if (this._startingSearch)
|
|
return true;
|
|
|
|
return this._providers.some(p => p.searchInProgress);
|
|
}
|
|
|
|
_updateSearchProgress() {
|
|
let haveResults = this._providers.some(provider => {
|
|
let display = provider.display;
|
|
return (display.getFirstResult() != null);
|
|
});
|
|
|
|
this._scrollView.visible = haveResults;
|
|
this._statusBin.visible = !haveResults;
|
|
|
|
if (!haveResults) {
|
|
if (this.searchInProgress) {
|
|
this._statusText.set_text(_("Searching…"));
|
|
} else {
|
|
this._statusText.set_text(_("No results."));
|
|
}
|
|
}
|
|
}
|
|
|
|
_updateResults(provider, results) {
|
|
let terms = this._terms;
|
|
let display = provider.display;
|
|
|
|
display.updateSearch(results, terms, () => {
|
|
provider.searchInProgress = false;
|
|
|
|
this._maybeSetInitialSelection();
|
|
this._updateSearchProgress();
|
|
});
|
|
}
|
|
|
|
activateDefault() {
|
|
// If we have a search queued up, force the search now.
|
|
if (this._searchTimeoutId > 0)
|
|
this._doSearch();
|
|
|
|
if (this._defaultResult)
|
|
this._defaultResult.activate();
|
|
}
|
|
|
|
highlightDefault(highlight) {
|
|
this._highlightDefault = highlight;
|
|
this._setSelected(this._defaultResult, highlight);
|
|
}
|
|
|
|
popupMenuDefault() {
|
|
// If we have a search queued up, force the search now.
|
|
if (this._searchTimeoutId > 0)
|
|
this._doSearch();
|
|
|
|
if (this._defaultResult)
|
|
this._defaultResult.popup_menu();
|
|
}
|
|
|
|
navigateFocus(direction) {
|
|
let rtl = this.get_text_direction() == Clutter.TextDirection.RTL;
|
|
if (direction == St.DirectionType.TAB_BACKWARD ||
|
|
direction == (rtl
|
|
? St.DirectionType.RIGHT
|
|
: St.DirectionType.LEFT) ||
|
|
direction == St.DirectionType.UP) {
|
|
this.navigate_focus(null, direction, false);
|
|
return;
|
|
}
|
|
|
|
let from = this._defaultResult ? this._defaultResult : null;
|
|
this.navigate_focus(from, direction, false);
|
|
}
|
|
|
|
_setSelected(result, selected) {
|
|
if (!result)
|
|
return;
|
|
|
|
if (selected) {
|
|
result.add_style_pseudo_class('selected');
|
|
Util.ensureActorVisibleInScrollView(this._scrollView, result);
|
|
} else {
|
|
result.remove_style_pseudo_class('selected');
|
|
}
|
|
}
|
|
|
|
highlightTerms(description) {
|
|
if (!description)
|
|
return '';
|
|
|
|
if (!this._highlightRegex)
|
|
return description;
|
|
|
|
return description.replace(this._highlightRegex, '<b>$1</b>');
|
|
}
|
|
});
|
|
|
|
var ProviderInfo = GObject.registerClass(
|
|
class ProviderInfo extends St.Button {
|
|
_init(provider) {
|
|
this.provider = provider;
|
|
super._init({ style_class: 'search-provider-icon',
|
|
reactive: true,
|
|
can_focus: true,
|
|
accessible_name: provider.appInfo.get_name(),
|
|
track_hover: true });
|
|
|
|
this._content = new St.BoxLayout({ vertical: false,
|
|
style_class: 'list-search-provider-content' });
|
|
this.set_child(this._content);
|
|
|
|
let icon = new St.Icon({ icon_size: this.PROVIDER_ICON_SIZE,
|
|
gicon: provider.appInfo.get_icon() });
|
|
|
|
let detailsBox = new St.BoxLayout({ style_class: 'list-search-provider-details',
|
|
vertical: true,
|
|
x_expand: true });
|
|
|
|
let nameLabel = new St.Label({ text: provider.appInfo.get_name(),
|
|
x_align: Clutter.ActorAlign.START });
|
|
|
|
this._moreLabel = new St.Label({ x_align: Clutter.ActorAlign.START });
|
|
|
|
detailsBox.add_actor(nameLabel);
|
|
detailsBox.add_actor(this._moreLabel);
|
|
|
|
|
|
this._content.add_actor(icon);
|
|
this._content.add_actor(detailsBox);
|
|
}
|
|
|
|
get PROVIDER_ICON_SIZE() {
|
|
return 32;
|
|
}
|
|
|
|
animateLaunch() {
|
|
let appSys = Shell.AppSystem.get_default();
|
|
let app = appSys.lookup_app(this.provider.appInfo.get_id());
|
|
if (app.state == Shell.AppState.STOPPED)
|
|
IconGrid.zoomOutActor(this._content);
|
|
}
|
|
|
|
setMoreCount(count) {
|
|
this._moreLabel.text = ngettext("%d more", "%d more", count).format(count);
|
|
this._moreLabel.visible = count > 0;
|
|
}
|
|
});
|