gnome-shell-common 3.10.4-0ubuntu5 / usr / share / gnome-shell / js / ui / search.js

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/usr/share/gnome-shell/js/ui/search.js is in gnome-shell-common 3.10.4-0ubuntu5.

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-

const Lang = imports.lang;
const Signals = imports.signals;

const SEARCH_PROVIDERS_SCHEMA = 'org.gnome.desktop.search-providers';

const SearchSystem = new Lang.Class({
    Name: 'SearchSystem',

    _init: function() {
        this._providers = [];
        this._remoteProviders = [];
        this.reset();
    },

    registerProvider: function (provider) {
        provider.searchSystem = this;
        this._providers.push(provider);

        if (provider.isRemoteProvider)
            this._remoteProviders.push(provider);
    },

    unregisterProvider: function (provider) {
        let index = this._providers.indexOf(provider);
        if (index == -1)
            return;
        provider.searchSystem = null;
        this._providers.splice(index, 1);

        let remoteIndex = this._remoteProviders.indexOf(provider);
        if (remoteIndex != -1)
            this._remoteProviders.splice(remoteIndex, 1);
    },

    getProviders: function() {
        return this._providers;
    },

    getRemoteProviders: function() {
        return this._remoteProviders;
    },

    getTerms: function() {
        return this._previousTerms;
    },

    reset: function() {
        this._previousTerms = [];
        this._previousResults = [];
    },

    setResults: function(provider, results) {
        let i = this._providers.indexOf(provider);
        if (i == -1)
            return;

        this._previousResults[i] = [provider, results];
        this.emit('search-updated', this._previousResults[i]);
    },

    updateSearchResults: function(terms) {
        if (!terms)
            return;

        let searchString = terms.join(' ');
        let previousSearchString = this._previousTerms.join(' ');
        if (searchString == previousSearchString)
            return;

        let isSubSearch = false;
        if (this._previousTerms.length > 0)
            isSubSearch = searchString.indexOf(previousSearchString) == 0;

        let previousResultsArr = this._previousResults;

        let results = [];
        this._previousTerms = terms;
        this._previousResults = results;

        if (isSubSearch) {
            for (let i = 0; i < this._providers.length; i++) {
                let [provider, previousResults] = previousResultsArr[i];
                try {
                    results.push([provider, []]);
                    provider.getSubsearchResultSet(previousResults, terms);
                } catch (error) {
                    log('A ' + error.name + ' has occured in ' + provider.id + ': ' + error.message);
                }
            }
        } else {
            for (let i = 0; i < this._providers.length; i++) {
                let provider = this._providers[i];
                try {
                    results.push([provider, []]);
                    provider.getInitialResultSet(terms);
                } catch (error) {
                    log('A ' + error.name + ' has occured in ' + provider.id + ': ' + error.message);
                }
            }
        }
    }
});
Signals.addSignalMethods(SearchSystem.prototype);

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