Method pushModal

js/ui/modalDialog.js:232–252

()

    }

    pushModal() {
        if (this._hasModal)
            return true;

        const grab = Main.pushModal(this, {actionMode: this._actionMode});
        this._grab = grab;
        Main.layoutManager.emit('system-modal-opened');

        this._hasModal = true;
        if (this._savedKeyFocus) {
            this._savedKeyFocus.grab_key_focus();
            this._savedKeyFocus = null;
        } else {
            const focus = this._initialKeyFocus || this.dialogLayout.initialKeyFocus;
            focus.grab_key_focus();
        }

        if (!this._shellReactive)
            this.backgroundStack.set_child_below_sibling(this._eventBlocker, null);
        return true;
    }

    // This method is like close, but fades the dialog out much slower,
    // and leaves the lightbox in place. Once in the faded out state,