owl/web/static/src/ts/widgets/widget.ts

import { IAjax } from "../services/ajax";
import { Component, PureComponent, WEnv } from "../core/component";
import { INotificationManager } from "../core/notifications";
import { Registry } from "../core/registry";
import { IRouter } from "../core/router";
import { ActionWidget, IActionManager } from "../services/action_manager";

//------------------------------------------------------------------------------
// Types
//------------------------------------------------------------------------------

export interface Env extends WEnv {
  // services
  actionManager: IActionManager;
  ajax: IAjax;
  notifications: INotificationManager;
  router: IRouter;

  // registries
  actionRegistry: Registry<ActionWidget>;

  // helpers
  rpc: IAjax["rpc"];

  // configuration
  debug: boolean;
  isMobile: boolean;
}

//------------------------------------------------------------------------------
// Widget classes
//------------------------------------------------------------------------------

export class Widget<Props, State> extends Component<Env, Props, State> {}

export class PureWidget<P, S> extends PureComponent<Env, P, S> {
  constructor(parent, props) {
    super(parent, props);
    (<any>this.__widget__).isMobile = this.env.isMobile;
  }
  shouldUpdate(nextProps: P): boolean {
    if ((<any>this.__widget__).isMobile !== this.env.isMobile) {
      (<any>this.__widget__).isMobile = this.env.isMobile;
      return true;
    }
    return super.shouldUpdate(nextProps);
  }
}