1 files changed, 324 insertions, 0 deletions
diff --git a/extensions/vertical-workspaces/recentFilesSearchProvider.js b/extensions/vertical-workspaces/recentFilesSearchProvider.js
new file mode 100644
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--- /dev/null
+++ b/extensions/vertical-workspaces/recentFilesSearchProvider.js
@@ -0,0 +1,324 @@
+/**
+ * Vertical Workspaces
+ * recentFilesSearchProvider.js
+ *
+ * @author     GdH <G-dH@github.com>
+ * @copyright  2022 - 2023
+ * @license    GPL-3.0
+ */
+
+'use strict';
+
+const { GLib, GObject, Gio, Gtk, Meta, St, Shell } = imports.gi;
+
+const Main = imports.ui.main;
+const ExtensionUtils = imports.misc.extensionUtils;
+const Me = ExtensionUtils.getCurrentExtension();
+const Settings = Me.imports.settings;
+const _ = Me.imports.settings._;
+
+const shellVersion = Settings.shellVersion;
+
+const ModifierType = imports.gi.Clutter.ModifierType;
+
+let recentFilesSearchProvider;
+let _enableTimeoutId = 0;
+
+// prefix helps to eliminate results from other search providers
+// so it needs to be something less common
+// needs to be accessible from vw module
+var prefix = 'fq//';
+
+var opt;
+
+const Action = {
+    NONE: 0,
+    CLOSE: 1,
+    CLOSE_ALL: 2,
+    MOVE_TO_WS: 3,
+    MOVE_ALL_TO_WS: 4
+}
+
+function init() {
+}
+
+function getOverviewSearchResult() {
+        return Main.overview._overview.controls._searchController._searchResults;
+}
+
+
+function update(reset = false) {
+    opt = Me.imports.settings.opt;
+    if (!reset && opt.RECENT_FILES_SEARCH_PROVIDER_ENABLED && !recentFilesSearchProvider) {
+        enable();
+    } else if (reset || !opt.RECENT_FILES_SEARCH_PROVIDER_ENABLED) {
+        disable();
+        opt = null;
+    }
+}
+
+function enable() {
+    // delay because Fedora had problem to register a new provider soon after Shell restarts
+    _enableTimeoutId = GLib.timeout_add(
+        GLib.PRIORITY_DEFAULT,
+        2000,
+        () => {
+            if (recentFilesSearchProvider == null) {
+                recentFilesSearchProvider = new RecentFilesSearchProvider(opt);
+                getOverviewSearchResult()._registerProvider(recentFilesSearchProvider);
+            }
+            _enableTimeoutId = 0;
+            return GLib.SOURCE_REMOVE;
+        }
+    );
+}
+
+function disable() {
+    if (recentFilesSearchProvider) {
+        getOverviewSearchResult()._unregisterProvider(recentFilesSearchProvider);
+        recentFilesSearchProvider = null;
+    }
+    if (_enableTimeoutId) {
+        GLib.source_remove(_enableTimeoutId);
+        _enableTimeoutId = 0;
+    }
+}
+
+function fuzzyMatch(term, text) {
+    let pos = -1;
+    const matches = [];
+    // convert all accented chars to their basic form and to lower case
+    const _text = text;//.normalize('NFD').replace(/[\u0300-\u036f]/g, '').toLowerCase();
+    const _term =  term.normalize('NFD').replace(/[\u0300-\u036f]/g, '').toLowerCase();
+
+    // if term matches the substring exactly, gains the highest weight
+   if (_text.includes(_term)) {
+      return 0;
+    }
+
+    for (let i = 0; i < _term.length; i++) {
+        let c = _term[i];
+        let p;
+        if (pos > 0)
+            p = _term[i - 1];
+        while (true) {
+            pos += 1;
+            if (pos >= _text.length) {
+                return -1;
+            }
+            if (_text[pos] == c) {
+                matches.push(pos);
+                break;
+            } else if (_text[pos] == p) {
+                matches.pop();
+                matches.push(pos);
+            }
+        }
+    }
+
+    // add all position to get a weight of the result
+    // results closer to the beginning of the text and term characters closer to each other will gain more weight.
+    return matches.reduce((r, p) => r + p) - matches.length * matches[0] + matches[0];
+}
+
+function strictMatch(term, text) {
+    // remove diacritics and accents from letters
+    let s = text.normalize('NFD').replace(/[\u0300-\u036f]/g, '').toLowerCase();
+    let p = term.toLowerCase();
+    let ps = p.split(/ +/);
+
+    // allows to use multiple exact patterns separated by a space in arbitrary order
+    for (let w of ps) {  // escape regex control chars
+        if (!s.match(w.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'))) {
+            return -1;
+        }
+    }
+    return 0;
+}
+
+function makeResult(window, i) {
+    const app = Shell.WindowTracker.get_default().get_window_app(window);
+    const appName = app ? app.get_name() : 'Unknown';
+    const windowTitle = window.get_title();
+    const wsIndex = window.get_workspace().index();
+
+    return {
+      'id': i,
+      // convert all accented chars to their basic form and lower case for search
+      'name': `${wsIndex + 1}: ${windowTitle} ${appName}`.normalize('NFD').replace(/[\u0300-\u036f]/g, '').toLowerCase(),
+      'appName': appName,
+      'windowTitle': windowTitle,
+      'window': window
+    }
+}
+
+const closeSelectedRegex = /^\/x!$/;
+const closeAllResultsRegex = /^\/xa!$/;
+const moveToWsRegex = /^\/m[0-9]+$/;
+const moveAllToWsRegex = /^\/ma[0-9]+$/;
+
+var RecentFilesSearchProvider = class RecentFilesSearchProvider {
+    constructor(gOptions) {
+        this._gOptions = gOptions;
+        this.appInfo = Gio.AppInfo.create_from_commandline('/usr/bin/nautilus -ws recent:///', 'Recent Files', null);
+        //this.appInfo = Shell.AppSystem.get_default().lookup_app('org.gnome.Nautilus.desktop').appInfo;
+        this.appInfo.get_description = () => _('Search recent files');
+        this.appInfo.get_name = () => _('Recent Files');
+        this.appInfo.get_id = () => 'org.gnome.Nautilus.desktop';
+        this.appInfo.get_icon = () => Gio.icon_new_for_string('document-open-recent-symbolic');
+        this.appInfo.should_show = () => true;
+        this.title = _('Recent Files Search Provider'),
+        this.canLaunchSearch = true;
+        this.isRemoteProvider = false;
+    }
+
+    _getResultSet (terms) {
+        if (!terms[0].startsWith(prefix))
+            return [];
+        // do not modify original terms
+        let termsCopy = [...terms];
+        // search for terms without prefix
+        termsCopy[0] = termsCopy[0].replace(prefix, '');
+
+        const candidates = this.files;
+        const _terms = [].concat(termsCopy);
+        let match;
+
+        const term = _terms.join(' ');
+        match = (s) => {
+            return fuzzyMatch(term, s);
+        }
+
+        const results = [];
+        let m;
+        for (let id in candidates) {
+            const file = this.files[id];
+            const name = `${file.get_age()}d: ${file.get_display_name()} ${file.get_uri_display().replace(`\/${file.get_display_name()}`, '')}`;
+            if (this._gOptions.get('searchFuzzy')) {
+                m = fuzzyMatch(term, name);
+            } else {
+                m = strictMatch(term, name);
+            }
+            if (m !== -1) {
+                results.push({ weight: m, id: id});
+            }
+        }
+
+        results.sort((a, b) => this.files[a.id].get_visited() < this.files[b.id].get_visited());
+
+        this.resultIds = results.map((item) => item.id);
+        return this.resultIds;
+    }
+
+    getResultMetas (resultIds, callback = null) {
+        const metas = resultIds.map((id) => this.getResultMeta(id));
+        if (shellVersion >= 43) {
+            return new Promise(resolve => resolve(metas));
+        } else {
+            callback(metas);
+        }
+    }
+
+    getResultMeta (resultId) {
+        const result = this.files[resultId];
+        return {
+            'id': resultId,
+            'name': `${result.get_age()}:  ${result.get_display_name()}`,
+            'description': `${result.get_uri_display().replace(`\/${result.get_display_name()}`, '')}`,
+            'createIcon': (size) => {
+                let icon = this.getIcon(result, size);
+                return icon;
+            },
+        }
+    }
+
+    getIcon(result, size) {
+        let file = Gio.File.new_for_uri(result.get_uri());
+        let info = file.query_info(Gio.FILE_ATTRIBUTE_THUMBNAIL_PATH,
+                                   Gio.FileQueryInfoFlags.NONE, null);
+        let path = info.get_attribute_byte_string(
+            Gio.FILE_ATTRIBUTE_THUMBNAIL_PATH);
+
+        let icon, gicon;
+
+        if (path) {
+            gicon = Gio.FileIcon.new(Gio.File.new_for_path(path));
+        } else {
+            const appInfo = Gio.AppInfo.get_default_for_type(result.get_mime_type(), false);
+            if (appInfo)
+                gicon = appInfo.get_icon();
+        }
+
+        if (gicon) {
+            icon = new St.Icon({ gicon, icon_size: size });
+        } else {
+            icon = new St.Icon({ icon_name: 'icon-missing', icon_size: size });
+        }
+
+        return icon;
+    }
+
+    launchSearch(terms, timeStamp) {
+        this._openNautilus('recent:///')
+    }
+
+    _openNautilus(uri) {
+        try {
+            GLib.spawn_command_line_async(`nautilus -ws ${uri}`);
+        } catch (e) {
+            log(e);
+        }
+    }
+
+    activateResult (resultId, terms, timeStamp) {
+        const file = this.files[resultId];
+
+        const [,,state] = global.get_pointer();
+        //const isCtrlPressed = (state & ModifierType.CONTROL_MASK) != 0;
+        const isShiftPressed = (state & ModifierType.SHIFT_MASK) != 0;
+
+        if (isShiftPressed) {
+            Main.overview.toggle();
+            this._openNautilus(file.get_uri());
+        } else {
+            const appInfo = Gio.AppInfo.get_default_for_type(file.get_mime_type(), false);
+            if (!(appInfo && appInfo.launch_uris([file.get_uri()], null))) {
+                this._openNautilus(file.get_uri());
+            }
+        }
+    }
+
+    getInitialResultSet (terms, callback, cancellable = null) {
+        if (shellVersion >=43) {
+            cancellable = callback;
+        }
+
+        const filesDict = {};
+        const files = Gtk.RecentManager.get_default().get_items().filter((f)=> f.exists());
+
+        for (let file of files) {
+            filesDict[file.get_uri()] = file;
+        }
+
+        this.files = filesDict;
+
+        if (shellVersion >= 43) {
+            return new Promise(resolve => resolve(this._getResultSet(terms)));
+        } else {
+            callback(this._getResultSet(terms));
+        }
+    }
+
+    filterResults (results, maxResults) {
+        return results.slice(0, maxResults);
+    }
+
+    getSubsearchResultSet (previousResults, terms, callback, cancellable) {
+        // if we return previous results, quick typers get non-actual results
+        callback(this._getResultSet(terms));
+    }
+
+    createResultOjbect(resultMeta) {
+        return this.files[resultMeta.id];
+    }
+}