149 lines
4.6 KiB
JavaScript
149 lines
4.6 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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const St = imports.gi.St;
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const Shell = imports.gi.Shell;
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const Lang = imports.lang;
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const Signals = imports.signals;
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const Search = imports.ui.search;
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const THUMBNAIL_ICON_MARGIN = 2;
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function DocInfo(recentInfo) {
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this._init(recentInfo);
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}
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DocInfo.prototype = {
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_init : function(recentInfo) {
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this.recentInfo = recentInfo;
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// We actually used get_modified() instead of get_visited()
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// here, as GtkRecentInfo doesn't updated get_visited()
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// correctly. See http://bugzilla.gnome.org/show_bug.cgi?id=567094
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this.timestamp = recentInfo.get_modified();
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this.name = recentInfo.get_display_name();
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this._lowerName = this.name.toLowerCase();
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this.uri = recentInfo.get_uri();
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this.mimeType = recentInfo.get_mime_type();
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},
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createIcon : function(size) {
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return St.TextureCache.get_default().load_recent_thumbnail(size, this.recentInfo);
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},
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launch : function() {
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Shell.DocSystem.get_default().open(this.recentInfo);
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},
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matchTerms: function(terms) {
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let mtype = Search.MatchType.NONE;
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for (let i = 0; i < terms.length; i++) {
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let term = terms[i];
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let idx = this._lowerName.indexOf(term);
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if (idx == 0) {
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if (mtype != Search.MatchType.NONE)
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return Search.MatchType.MULTIPLE;
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mtype = Search.MatchType.PREFIX;
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} else if (idx > 0) {
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if (mtype != Search.MatchType.NONE)
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return Search.MatchType.MULTIPLE;
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mtype = Search.MatchType.SUBSTRING;
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} else {
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continue;
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}
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}
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return mtype;
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}
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};
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var docManagerInstance = null;
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function getDocManager() {
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if (docManagerInstance == null)
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docManagerInstance = new DocManager();
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return docManagerInstance;
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}
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/**
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* DocManager wraps the DocSystem, primarily to expose DocInfo objects
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* which conform to the GenericDisplay item API.
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*/
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function DocManager() {
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this._init();
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}
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DocManager.prototype = {
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_init: function() {
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this._docSystem = Shell.DocSystem.get_default();
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this._infosByTimestamp = [];
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this._infosByUri = {};
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this._docSystem.connect('changed', Lang.bind(this, this._reload));
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this._reload();
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},
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_reload: function() {
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let docs = this._docSystem.get_all();
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this._infosByTimestamp = [];
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this._infosByUri = {};
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for (let i = 0; i < docs.length; i++) {
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let recentInfo = docs[i];
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let docInfo = new DocInfo(recentInfo);
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this._infosByTimestamp.push(docInfo);
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this._infosByUri[docInfo.uri] = docInfo;
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}
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this.emit('changed');
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},
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getTimestampOrderedInfos: function() {
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return this._infosByTimestamp;
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},
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getInfosByUri: function() {
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return this._infosByUri;
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},
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lookupByUri: function(uri) {
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return this._infosByUri[uri];
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},
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queueExistenceCheck: function(count) {
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return this._docSystem.queue_existence_check(count);
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},
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initialSearch: function(terms) {
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let multipleMatches = [];
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let prefixMatches = [];
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let substringMatches = [];
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for (let i = 0; i < this._infosByTimestamp.length; i++) {
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let item = this._infosByTimestamp[i];
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let mtype = item.matchTerms(terms);
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if (mtype == Search.MatchType.MULTIPLE)
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multipleMatches.push(item.uri);
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else if (mtype == Search.MatchType.PREFIX)
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prefixMatches.push(item.uri);
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else if (mtype == Search.MatchType.SUBSTRING)
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substringMatches.push(item.uri);
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}
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return multipleMatches.concat(prefixMatches.concat(substringMatches));
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},
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subsearch: function(previousResults, terms) {
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let multipleMatches = [];
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let prefixMatches = [];
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let substringMatches = [];
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for (let i = 0; i < previousResults.length; i++) {
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let uri = previousResults[i];
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let item = this._infosByUri[uri];
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let mtype = item.matchTerms(terms);
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if (mtype == Search.MatchType.MULTIPLE)
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multipleMatches.push(uri);
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else if (mtype == Search.MatchType.PREFIX)
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prefixMatches.push(uri);
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else if (mtype == Search.MatchType.SUBSTRING)
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substringMatches.push(uri);
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}
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return multipleMatches.concat(prefixMatches.concat(substringMatches));
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}
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};
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Signals.addSignalMethods(DocManager.prototype);
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