/*Initialization Code*/
//-------------------- Экспорт в HTML файл в контекстном меню закладок
(popup => addEventListener("popupshowing", {
    handleEvent() {
        if (this.shouldHide()) return;
        var before = document.getElementById("placesContext_openSeparator");
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        var menuitem = popup.insertBefore(document.createXULElement("menuitem"), before);
        menuitem.setAttribute("label", "Экспорт папки в HTML");
        menuitem.setAttribute("oncommand", "exportFolder();");
        menuitem.exportFolder = this.pick.bind(this);
        addDestructor(() => menuitem.remove());
        (this.handleEvent = () => menuitem.hidden = menuitem.disabled = this.shouldHide())();
    },
    shouldHide() {
        var node = popup.triggerNode._placesNode;
        var hide = !node || node.type != node.RESULT_TYPE_FOLDER;
        if (!hide) this.guid = node.bookmarkGuid, this.title = node.title;
        return hide;
    },
    pick() {
        var fp = makeFilePicker();
        fp.init(window, PlacesUIUtils.getString("EnterExport"), fp.modeSave);
        fp.appendFilters(fp.filterHTML);
        fp.defaultString = (this.title ? DownloadPaths.sanitize(this.title) : "untitled") + ".html";
        fp.open(res => res == fp.returnCancel || this.export(fp.file.path));
    },
    async export(path) {
        var tree = await PlacesUtils.promiseBookmarksTree(
            this.guid, {includeItemIds: true}
        );
        var bookmarks = {children: [
            {root: "toolbarFolder"},
            {root: "unfiledBookmarksFolder"},
            {root: "bookmarksMenuFolder", children: [tree], guid: PlacesUtils.bookmarks.menuGuid}
        ]};
        new this.nsvo.BookmarkExporter(bookmarks).exportToFile(path);
    },
    get nsvo() {
        delete this.nsvo;
        return this.nsvo = Cu.import("resource://gre/modules/BookmarkHTMLUtils.jsm", {});
    }
}, false, popup))(document.getElementById("placesContext") || 1);