/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

import { IConfiguration } from '../../../../vs/editor/common/editorCommon';
import { ViewEventHandler } from '../../../../vs/editor/common/viewModel/viewEventHandler';
import {
  IViewLayout,
  IViewModel,
} from '../../../../vs/editor/common/viewModel/viewModel';
import { IColorTheme } from '../../../../vs/platform/theme/common/themeService';
import { ColorIdentifier } from '../../../../vs/platform/theme/common/colorRegistry';
import { Color } from '../../../../vs/base/common/color';
import { ColorScheme } from '../../../../vs/platform/theme/common/theme';

export class EditorTheme {
  private _theme: IColorTheme;

  public get type(): ColorScheme {
    return this._theme.type;
  }

  constructor(theme: IColorTheme) {
    this._theme = theme;
  }

  public update(theme: IColorTheme): void {
    this._theme = theme;
  }

  public getColor(color: ColorIdentifier): Color | undefined {
    return this._theme.getColor(color);
  }
}

export class ViewContext {
  public readonly configuration: IConfiguration;
  public readonly model: IViewModel;
  public readonly viewLayout: IViewLayout;
  public readonly theme: EditorTheme;

  constructor(
    configuration: IConfiguration,
    theme: IColorTheme,
    model: IViewModel
  ) {
    this.configuration = configuration;
    this.theme = new EditorTheme(theme);
    this.model = model;
    this.viewLayout = model.viewLayout;
  }

  public addEventHandler(eventHandler: ViewEventHandler): void {
    this.model.addViewEventHandler(eventHandler);
  }

  public removeEventHandler(eventHandler: ViewEventHandler): void {
    this.model.removeViewEventHandler(eventHandler);
  }
}