116 lines
3.3 KiB
JavaScript
116 lines
3.3 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Lang = imports.lang;
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const Signals = imports.signals;
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const SEARCH_PROVIDERS_SCHEMA = 'org.gnome.desktop.search-providers';
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const SearchSystem = new Lang.Class({
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Name: 'SearchSystem',
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_init: function() {
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this._providers = [];
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this._remoteProviders = [];
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this.reset();
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},
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registerProvider: function (provider) {
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provider.searchSystem = this;
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this._providers.push(provider);
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if (provider.isRemoteProvider)
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this._remoteProviders.push(provider);
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},
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unregisterProvider: function (provider) {
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let index = this._providers.indexOf(provider);
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if (index == -1)
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return;
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provider.searchSystem = null;
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this._providers.splice(index, 1);
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let remoteIndex = this._remoteProviders.indexOf(provider);
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if (remoteIndex != -1)
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this._remoteProviders.splice(index, 1);
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},
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getProviders: function() {
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return this._providers;
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},
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getRemoteProviders: function() {
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return this._remoteProviders;
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},
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getTerms: function() {
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return this._previousTerms;
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},
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reset: function() {
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this._previousTerms = [];
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this._previousResults = [];
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},
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pushResults: function(provider, results) {
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let i = this._providers.indexOf(provider);
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if (i == -1)
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return;
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this._previousResults[i] = [provider, results];
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this.emit('search-updated', this._previousResults[i]);
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},
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updateSearch: function(searchString) {
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searchString = searchString.replace(/^\s+/g, '').replace(/\s+$/g, '');
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if (searchString == '')
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return;
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let terms = searchString.split(/\s+/);
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this.updateSearchResults(terms);
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},
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updateSearchResults: function(terms) {
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if (!terms)
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return;
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let isSubSearch = terms.length == this._previousTerms.length;
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if (isSubSearch) {
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for (let i = 0; i < terms.length; i++) {
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if (terms[i].indexOf(this._previousTerms[i]) != 0) {
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isSubSearch = false;
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break;
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}
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}
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}
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let previousResultsArr = this._previousResults;
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let results = [];
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this._previousTerms = terms;
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this._previousResults = results;
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if (isSubSearch) {
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for (let i = 0; i < this._providers.length; i++) {
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let [provider, previousResults] = previousResultsArr[i];
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try {
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results.push([provider, []]);
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provider.getSubsearchResultSet(previousResults, terms);
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} catch (error) {
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log('A ' + error.name + ' has occured in ' + provider.id + ': ' + error.message);
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}
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}
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} else {
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for (let i = 0; i < this._providers.length; i++) {
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let provider = this._providers[i];
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try {
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results.push([provider, []]);
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provider.getInitialResultSet(terms);
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} catch (error) {
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log('A ' + error.name + ' has occured in ' + provider.id + ': ' + error.message);
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}
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}
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}
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}
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});
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Signals.addSignalMethods(SearchSystem.prototype);
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