Method _setCapability

systemvm/agent/noVNC/core/rfb.js:1136–1140

(cap, val)

    }

    _setCapability(cap, val) {
        this._capabilities[cap] = val;
        this.dispatchEvent(new CustomEvent("capabilities",
                                           { detail: { capabilities: this._capabilities } }));
    }

    _handleMessage() {
        if (this._sock.rQwait("message", 1)) {