weblayer/renderer/weblayer_render_thread_observer.h

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef WEBLAYER_RENDERER_WEBLAYER_RENDER_THREAD_OBSERVER_H_
#define WEBLAYER_RENDERER_WEBLAYER_RENDER_THREAD_OBSERVER_H_

#include "components/content_settings/common/content_settings_manager.mojom.h"
#include "content/public/renderer/render_thread_observer.h"
#include "mojo/public/cpp/bindings/associated_receiver_set.h"
#include "weblayer/common/renderer_configuration.mojom.h"

namespace weblayer {

// Listens for WebLayer-specific messages from the browser.
class WebLayerRenderThreadObserver : public content::RenderThreadObserver,
                                     public mojom::RendererConfiguration {
 public:
  WebLayerRenderThreadObserver();
  ~WebLayerRenderThreadObserver() override;

  content_settings::mojom::ContentSettingsManager* content_settings_manager() {
    if (content_settings_manager_)
      return content_settings_manager_.get();
    return nullptr;
  }

 private:
  // content::RenderThreadObserver:
  void RegisterMojoInterfaces(
      blink::AssociatedInterfaceRegistry* associated_interfaces) override;
  void UnregisterMojoInterfaces(
      blink::AssociatedInterfaceRegistry* associated_interfaces) override;

  // weblayer::mojom::RendererConfiguration:
  void SetInitialConfiguration(
      mojo::PendingRemote<content_settings::mojom::ContentSettingsManager>
          content_settings_manager) override;

  void OnRendererConfigurationAssociatedRequest(
      mojo::PendingAssociatedReceiver<mojom::RendererConfiguration> receiver);

  mojo::Remote<content_settings::mojom::ContentSettingsManager>
      content_settings_manager_;

  mojo::AssociatedReceiverSet<mojom::RendererConfiguration>
      renderer_configuration_receivers_;
};

}  // namespace weblayer

#endif  // WEBLAYER_RENDERER_WEBLAYER_RENDER_THREAD_OBSERVER_H_