// Ссылка у курсора в тултипе, кнопка https://forum.mozilla-russia.org/viewtopic.php?pid=783755#p783755
(async () => {
    var id = "ucf-toggle-tooltip-url",
    label = "Тултипы с URL",
    tooltiptext = "Переключить тултипы",
    img = "data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' style='fill:context-fill rgb(142, 142, 152);'><path d='M9.618 6.721a2.483 2.483 0 0 0-.39-.317l-.735.734A1.486 1.486 0 0 1 8.91 9.55l-2.12 2.122a1.486 1.486 0 0 1-2.122 0 1.486 1.486 0 0 1 0-2.121l.605-.605a3.53 3.53 0 0 1-.206-1.209L3.961 8.843a2.506 2.506 0 0 0 0 3.535 2.506 2.506 0 0 0 3.535 0l2.122-2.121a2.506 2.506 0 0 0 0-3.536z'/><path d='M6.79 9.55c.12.121.25.226.389.317l.734-.734a1.486 1.486 0 0 1-.417-2.411L9.618 4.6a1.486 1.486 0 0 1 2.121 0 1.486 1.486 0 0 1 0 2.121l-.605.605c.137.391.211.798.206 1.209l1.106-1.107a2.506 2.506 0 0 0 0-3.535 2.506 2.506 0 0 0-3.535 0L6.789 6.014a2.506 2.506 0 0 0 0 3.536z'/><circle style='fill:none;stroke:context-fill rgb(142, 142, 152);stroke-width:1.2;stroke-linecap:round;stroke-linejoin:round' cx='8' cy='8' r='7.4'/></svg>",
    imgcolordisable = "color-mix(in srgb, currentColor 20%, #e31b5d)";

    var branch = "extensions.ucf.", pref = "tooltip_url_enable";
    var tpurl = {
        initialised: false,
        tooltip_url_enable: true,
        get ext_branch() {
            delete this.ext_branch;
            return this.ext_branch = Services.prefs.getBranch(branch);
        },
        init() {
            if (this.initialised) return;
            Services.prefs.getDefaultBranch(branch).setBoolPref(pref, true);
            Services.prefs.addObserver(`${branch}${pref}`, this);
            if (this.tooltip_url_enable = this.ext_branch.getBoolPref(pref))
                this.registerActor();
            this.initialised = true;
        },
        observe(subject, topic, data) {
            var fill = "";
            if ((this.tooltip_url_enable = this.ext_branch.getBoolPref(pref)) === true)
                this.registerActor();
            else {
                fill = imgcolordisable;
                this.unregisterActor();
            }
            this.callWithEachWindow(id, {fill: fill});
        },
        callWithEachWindow(buttonID, atr) {
            var getW = CustomizableUI.getWidget(buttonID);
            if (getW.instances.length)
                for (let {node} of getW.instances) {
                    if (!node) continue;
                    for (let a in atr)
                        node.style.setProperty(a, atr[a]);
                }
            else
                for (let win of CustomizableUI.windows) {
                    let node = getW.forWindow(win).node;
                    if (!node) continue;
                    for (let a in atr)
                        node.style.setProperty(a, atr[a]);
                }
        },
        registerActor() {
            ChromeUtils.registerWindowActor("UcfTooltipUrl", {
                child: {
                    moduleURI: "chrome://user_chrome_files/content/custom_scripts/cs/UcfTooltipUrlChild.jsm",
                    events: {
                        mouseover: { capture: true },
                    },
                },
                allFrames: true,
                matches: ["<all_urls>"],
                messageManagerGroups: ["browsers"],
            });
        },
        unregisterActor() {
            ChromeUtils.unregisterWindowActor("UcfTooltipUrl");
        },
    };
    CustomizableUI.createWidget({
        id: id,
        label: label,
        tooltiptext: tooltiptext,
        localized: false,
        defaultArea: CustomizableUI.AREA_NAVBAR,
        onCreated(btn) {
            tpurl.init();
            btn.style.setProperty("list-style-image", `url("${img}")`, "important");
            if (!tpurl.tooltip_url_enable)
                btn.style.setProperty("fill", imgcolordisable);
        },
        onCommand(e) {
            tpurl.ext_branch.setBoolPref(pref, !tpurl.ext_branch.getBoolPref(pref));
        },
    });
})();

var EXPORTED_SYMBOLS = ["UcfTooltipUrlChild"];
ChromeUtils.defineModuleGetter(this, "Services", "resource://gre/modules/Services.jsm");
var timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
class UcfTooltipUrlChild extends JSWindowActorChild {
    handleEvent(e) {
        timer.cancel();
        timer.initWithCallback(() => {
            var elm = e.isTrusted && e.composedTarget, el, titl;
            if (!elm) return;
            do {
                if (!elm.matches) continue;
                if (elm.matches(":any-link")) {
                    if (elm.matches("[href='#'], [href^='javascript']"))
                        return;
                    el = elm;
                    if (elm.matches("[title]"))
                        titl = elm;
                    else
                        while (elm = elm.flattenedTreeParentNode) {
                            if (!elm.matches) continue;
                            if (elm.matches("[title]")) {
                                titl = elm;
                                break;
                            }
                        }
                    break;
                }
                if (elm.matches("[title]")) {
                    titl = elm;
                    while (elm = elm.flattenedTreeParentNode) {
                        if (!elm.matches) continue;
                        if (elm.matches(":any-link")) {
                            if (elm.matches("[href='#'], [href^='javascript']"))
                                return;
                            el = elm;
                            break;
                        }
                    }
                    break;
                }
            } while (elm = elm.flattenedTreeParentNode);
            if (!el) return;
            var href = el.href;
            if (titl) el = titl;
            titl = (el.title || "");
            var title = titl.trim(), pre = "", path = "";
            try {
                href = Services.io.newURI(href);
                pre = href.displayPrePath;
                path = `\n${href.pathQueryRef}`;
                if (path === "\n/") path = "";
                href = `${pre}${path}`;
            } catch (e) {}
            try {
                href = decodeURIComponent(href);
            } catch (e) {}
            el.title = title = `${href}${title === "" ? "" : `\nTitle: ${title}`}`;
            this.contentWindow.addEventListener("mouseout", () => {
                try {
                    if (!el || title !== el.title) return;
                    if (titl !== "")
                        el.title = titl;
                    else
                        el.removeAttribute("title");
                } catch (e) {}
            }, { once: true });
        }, 100, Ci.nsITimer.TYPE_ONE_SHOT); /* было 400 */
    }
    didDestroy() {
        timer.cancel();
    }
}

(async initCode => CustomizableUI.createWidget({
    id: "ucf_UpDownCenterPage",
    label: "Up/Down/Center Page",
    // defaultArea: CustomizableUI.AREA_NAVBAR,
    localized: false,
    onCreated(btn) {
        btn.setAttribute("image", "data:image/png;base64,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");
        new btn.ownerGlobal.Function(initCode).call(btn);
    }
}))(`(u => {
    var id, lfs = url => gBrowser.selectedBrowser.messageManager.loadFrameScript(url, false);
    var max = () => {
        var url = u([
            "var args = [scroller.scrollHeight, 0];",
            "scroller.scrollTop != 0 || args.reverse();",
            "content.scrollTo(...args);"
        ].join("\\n\\t"));
        (max = () => lfs(url))();
    }
    var mid = () => {
        var url = u("content.scrollTo(0, (scroller.scrollHeight - scroller.clientHeight) / 2);");
        (mid = () => id = lfs(url))();
    }
    var obj = {
        mousedown: () => id = setTimeout(mid, 500),
        mouseup: () => id && max(id = clearTimeout(id))
    };
    this.onmousedown = this.onmouseup = e => e.button || obj[e.type]();
    this.tooltipText = "ЛКМ:   Вверх/Вниз по странице \\nдЛКМ: Центрирование страницы";
})
(code => "data:," + encodeURIComponent(\`(doc => {
    var root = doc.documentElement;
    var body = doc.body || root;
    var scroller = body.scrollHeight > root.scrollHeight ? body : root;
    \${code}
})(content.document)\`));`);

/*
    var root = doc.documentElement;
    var body = doc.body || root;
    var scroller = body.scrollHeight > root.scrollHeight ? body : root;
*/
    var scroller = doc.scrollingElement;

CustomizableUI.getWidget(id)?.label || (self => CustomizableUI.createWidget(self = {
		id, label: id, tooltiptext: id, localized: false,
		defaultArea: CustomizableUI.AREA_NAVBAR,
		onCreated(btn) {
			btn.style.setProperty("list-style-image", "url(chrome://branding/content/icon32.png)");
			btn.type = "menu";
			var doc = btn.ownerDocument, m = nn => doc.createXULElement(nn);
			var popup = m("menupopup"), menu = m("menuitem");
			menu.m = m;
			menu.fill = this.fill;
			menu.render = this.render;
			popup.append(menu);
			btn.prepend(popup);
		},
		render(){
			var popup = this.parentNode;
			this.remove();
			this.fill(MyMenu, popup);
		},
		fill(o, popup) {
			for (key in o) {
				var val = o[key];
				if (typeof val != "object") continue;

				var {lab, inf, img, cmd, alt, sep, men, upd} = val;

				sep && popup.append(this.m("menuseparator"));
				var name = men ? "menu" : "menuitem";
				var item = this.m(name);

				item.setAttribute("label", lab || key);
				// item.alt = alt; //RClick в ucf_hookClicks.js {Mouse…
				if (inf)
					item.tooltipText = inf;
				if (img || /this\.image.*=/.test(upd))
					item.className = name + "-iconic", item.setAttribute("image", img || G.nul);
				men || cmd && item.setAttribute("oncommand", cmd.toString().replace(
					/cmd\(.*?\){/, "{var trg = event.target || event;"
				));
				popup.append(item);

				if (upd)
					if (item.renderedOnce) (item.render = upd).call(item);
					else item.upd = upd, item.render = self.renderSub;

				men && this.fill(val, item.appendChild(this.m("menupopup")));
			}
		},
		renderSub() {
			delete this.render;
			this.render();
			this.render = self.updSub;
			this.upd();
		},
		updSub() {
			this.parentNode.state.startsWith("c") || this.upd();
		}
}))();