// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package remotecommand

// TerminalSize and TerminalSizeQueue was a port of k8s.io/kubernetes/pkg/util/term
// and were moved in order to decouple client from other term dependencies

// TerminalSize represents the width and height of a terminal
type TerminalSize struct {
	Width  uint16
	Height uint16
}

// TerminalSizeQueue is capable of returning terminal resize events as they occur.
type TerminalSizeQueue interface {
	// Next returns the new terminal size after the terminal has been resized. It returns nil when
	// monitoring has been stopped.
	Next() *TerminalSize
}