gnome-shell-extensions 3.28.0-2 / usr / share / gnome-shell / extensions / auto-move-windows@gnome-shell-extensions.gcampax.github.com / extension.js

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/usr/share/gnome-shell/extensions/auto-move-windows@gnome-shell-extensions.gcampax.github.com/extension.js is in gnome-shell-extensions 3.28.0-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below. 

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// -*- mode: js2; indent-tabs-mode: nil; js2-basic-offset: 4 -*-
// Start apps on custom workspaces

const Shell = imports.gi.Shell;

const Main = imports.ui.main;

const ExtensionUtils = imports.misc.extensionUtils;
const Me = ExtensionUtils.getCurrentExtension();
const Convenience = Me.imports.convenience;

class WindowMover {
    constructor() {
        this._settings = Convenience.getSettings();
        this._appSystem = Shell.AppSystem.get_default();
        this._appConfigs = new Map();
        this._appData = new Map();

        this._appsChangedId =
            this._appSystem.connect('installed-changed',
                                    this._updateAppData.bind(this));

        this._settings.connect('changed', this._updateAppConfigs.bind(this));
        this._updateAppConfigs();
    }

    _updateAppConfigs() {
        this._appConfigs.clear();

        this._settings.get_strv('application-list').forEach(v => {
            let [appId, num] = v.split(':');
            this._appConfigs.set(appId, parseInt(num) - 1);
        });

        this._updateAppData();
    }

    _updateAppData() {
        let ids = [...this._appConfigs.keys()];
        let removedApps = [...this._appData.keys()].filter(
            a => !ids.includes(a.id)
        );
        removedApps.forEach(app => {
            app.disconnect(this._appData.get(app).windowsChangedId);
            this._appData.delete(app);
        });

        let addedApps = ids.map(id => this._appSystem.lookup_app(id)).filter(
            app => app != null && !this._appData.has(app)
        );
        addedApps.forEach(app => {
            let data = {
                windowsChangedId: app.connect('windows-changed',
                                              this._appWindowsChanged.bind(this)),
                moveWindowsId: 0,
                windows: app.get_windows()
            }
            this._appData.set(app, data);
        });
    }

    destroy() {
        if (this._appsChangedId) {
            this._appSystem.disconnect(this._appsChangedId);
            this._appsChangedId = 0;
        }

        if (this._settings) {
            this._settings.run_dispose();
            this._settings = null;
        }

        this._appConfigs.clear();
        this._updateAppData();
    }

    _moveWindow(window, workspaceNum) {
        if (window.skip_taskbar)
            return;

        // ensure we have the required number of workspaces
        for (let i = global.screen.n_workspaces; i <= workspaceNum; i++) {
            window.change_workspace_by_index(i - 1, false);
            global.screen.append_new_workspace(false, 0);
        }

        window.change_workspace_by_index(workspaceNum, false);
    }

    _appWindowsChanged(app) {
        let data = this._appData.get(app);
        let windows = app.get_windows();

        // If get_compositor_private() returns non-NULL on a removed windows,
        // the window still exists and is just moved to a different workspace
        // or something; assume it'll be added back immediately, so keep it
        // to avoid moving it again
        windows.push(...data.windows.filter(
            w => !windows.includes(w) && w.get_compositor_private() != null
        ));

        let workspaceNum = this._appConfigs.get(app.id);
        windows.filter(w => !data.windows.includes(w)).forEach(window => {
            this._moveWindow(window, workspaceNum);
        });
        data.windows = windows;
    }
};

let prevCheckWorkspaces;
let winMover;

function init() {
    Convenience.initTranslations();
}

function myCheckWorkspaces() {
    let keepAliveWorkspaces = [];
    let foundNonEmpty = false;
    for (let i = this._workspaces.length - 1; i >= 0; i--) {
        if (!foundNonEmpty)
            foundNonEmpty = this._workspaces[i].list_windows().length > 0;
        else if (!this._workspaces[i]._keepAliveId)
            keepAliveWorkspaces.push(this._workspaces[i]);
    }

    // make sure the original method only removes empty workspaces at the end
    keepAliveWorkspaces.forEach(ws => { ws._keepAliveId = 1; });
    prevCheckWorkspaces.call(this);
    keepAliveWorkspaces.forEach(ws => { delete ws._keepAliveId; });

    return false;
}

function enable() {
    prevCheckWorkspaces = Main.wm._workspaceTracker._checkWorkspaces;
    Main.wm._workspaceTracker._checkWorkspaces = myCheckWorkspaces;

    winMover = new WindowMover();
}

function disable() {
    Main.wm._workspaceTracker._checkWorkspaces = prevCheckWorkspaces;
    winMover.destroy();
}

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