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/**
* Copyright (c) 2021 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { IBuffer as IBufferApi, IBufferNamespace as IBufferNamespaceApi } from 'xterm';
import { BufferApiView } from 'common/public/BufferApiView';
import { IEvent, EventEmitter } from 'common/EventEmitter';
import { ICoreTerminal } from 'common/Types';
export class BufferNamespaceApi implements IBufferNamespaceApi {
private _normal: BufferApiView;
private _alternate: BufferApiView;
private _onBufferChange = new EventEmitter<IBufferApi>();
public get onBufferChange(): IEvent<IBufferApi> { return this._onBufferChange.event; }
constructor(private _core: ICoreTerminal) {
this._normal = new BufferApiView(this._core.buffers.normal, 'normal');
this._alternate = new BufferApiView(this._core.buffers.alt, 'alternate');
this._core.buffers.onBufferActivate(() => this._onBufferChange.fire(this.active));
}
public get active(): IBufferApi {
if (this._core.buffers.active === this._core.buffers.normal) { return this.normal; }
if (this._core.buffers.active === this._core.buffers.alt) { return this.alternate; }
throw new Error('Active buffer is neither normal nor alternate');
}
public get normal(): IBufferApi {
return this._normal.init(this._core.buffers.normal);
}
public get alternate(): IBufferApi {
return this._alternate.init(this._core.buffers.alt);
}
}
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