// ==UserScript==
// @name         copy translation to clipboard
// @version      0.1
// @description  copy translation to clipboard
// @author       Vitaliy V.
// @match        https://www.deepl.com/translator*
// @match        https://www.deepl.com/Translator*
// @icon         https://www.deepl.com/img/favicon/favicon_32.png
// @grant        GM.setClipboard
// @grant        GM.notification
// ==/UserScript==

window.addEventListener("click", e => {
     var btn = e.target.closest(".lmt__target_toolbar__copy > button");
     if (!btn) return;
     e.preventDefault();
     e.stopPropagation();
     e.stopImmediatePropagation();
     var textarea = document.querySelector("textarea.lmt__target_textarea");
     if (!textarea || !textarea.value) return;
     GM.setClipboard(textarea.value);
     GM.notification({title: "Translator", text: "Перевод скопирован!", image: "https://www.deepl.com/img/favicon/favicon_32.png"});
}, true);

:root {
  --tab-min-height: 26px !important;
}

#nav-bar #back-button {
  padding-block: var(--toolbarbutton-outer-padding) !important;
  padding-inline-start: var(--toolbarbutton-outer-padding) !important;
  padding-inline-end: 0 !important;
}

#back-button > .toolbarbutton-icon {
  width: calc(2 * var(--toolbarbutton-inner-padding) + 16px) !important;
  height: calc(2 * var(--toolbarbutton-inner-padding) + 16px) !important;
  padding: var(--toolbarbutton-inner-padding) !important;
}

#main-window:not([uidensity="touch"]) :-moz-any(#urlbar,.searchbar-textbox) {
    min-height: 26px !important;
    margin: 4px !important;
    --urlbar-icon-padding: 4px !important;
}

#main-window:not([uidensity="touch"]) :-moz-any(#urlbar,.searchbar-textbox) .urlbar-icon {
    width: calc(2 * var(--urlbar-icon-padding) + 16px) !important;
    height: calc(2 * var(--urlbar-icon-padding) + 16px) !important;
    padding: var(--urlbar-icon-padding) !important;
}

#main-window:not([uidensity="touch"]) #pageActionSeparator {
    height: calc(2 * var(--urlbar-icon-padding) + 16px) !important;
}

@media (-moz-os-version: windows-win10) {
menupopup > menuitem, menupopup > menu {
	padding-block: 2px !important;
	padding-inline-start: 12px !important;
}
/* выровнять положение подменю... необязательно */
menupopup > menu > menupopup {
	margin-inline-start: -2px !important;
	margin-top: -5px !important;
}
}

.tabbrowser-tab {
	--soundplaying-removal-delay: none !important;
}

#urlbar-input-container #star-button, #reader-mode-button {
    display: none !important;
}

…
    Actors: class {
        constructor(win) {
            this.bc = win.gBrowser.selectedBrowser.browsingContext;
        }
        get actor() {
            return Object.defineProperty(this, "actor", {
                value: this.bc.currentWindowGlobal.getActor("ATBWinActor")
            }).actor;
        }
        *[Symbol.iterator]() {
            yield this.actor;
            var contextsToVisit = Array.from(this.bc.children);
            while (contextsToVisit.length) {
                let currentContext = contextsToVisit.pop();
                let global = currentContext?.currentWindowGlobal;
                if (global)
                    contextsToVisit.push(...currentContext.children),
                    yield global.getActor("ATBWinActor");
            }
        }
    },
    get useBC() {
        delete this.useBC;
        return this.useBC = Cu.getGlobalForObject(Cu)
            .BrowsingContext.prototype.hasOwnProperty("allowJavascript");
    },
    async _sendAsyncMessages(win, message) {
        var actors = new this.Actors(win);
        switch (message) {
            case "ATBWinActor:ScrollPageUp":
            case "ATBWinActor:ScrollPageDown":
            case "ATBWinActor:ScrollTop":
            case "ATBWinActor:ScrollBottom":
                return actors.actor.sendAsyncMessage(message);

            case "ATBWinActor:TextToLink":
                for(var actor of actors)
                    actor.sendAsyncMessage(message);
                return;
            case "ATBWinActor:CopyAllLinks":
                var links = "", count = 0;
                for(var actor of actors) {
                    var data = await actor.sendQuery(message);
                    if (data)
                        links += `${data.links}\n`,
                        count += data.count;
                }
                this.clipboardHelp.copyString(links);
                win.setTimeout(() =>
                    this.showAlert("Копирование ссылок", `${count} ссылок в буфере обмена!`)
                , 100);
                return;

            case "ATBWinActor:PageJavaScript":
                if (this.useBC) {
                    var state = !actors.bc.allowJavascript;
                    for(var bc of actors.bc.getAllBrowsingContextsInSubtree())
                        bc.allowJavascript = state;
                    return;
                }
                var check, getstate = "ATBWinActor:getPageJavaScript"; break;
            case "ATBWinActor:PageImages":
                var check = true, getstate = "ATBWinActor:getPageImages"; break;
            case "ATBWinActor:LinkPointerEvents":
                var check, getstate = "ATBWinActor:getLinkPointerEvents"; break;
            default:
                return;
        }
        var data = {state: !(await actors.actor.sendQuery(getstate))};
        for(var actor of actors)
            await actor.sendQuery(message, data);
        check && this.checkBrowserReload(win);
    },