/* Listen for left and right click events and send the corresponding message to the content script. */ this.addEventListener('click', function(event) { if(event.button == 0 && event.shiftKey == false) self.port.emit('left-click'); if(event.button == 2 || (event.button == 0 && event.shiftKey == true)) self.port.emit('right-click'); event.preventDefault(); }, true);