text: // Copyright 2014 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "shell/browser/extensions/electron_extension_host_delegate.h"
  
  #include <memory>
  #include <string>
  #include <utility>
  
  #include "base/lazy_instance.h"
  #include "base/logging.h"
  #include "extensions/browser/media_capture_util.h"
  #include "shell/browser/extensions/electron_extension_web_contents_observer.h"
  
  namespace extensions {
  
  ElectronExtensionHostDelegate::ElectronExtensionHostDelegate() {}
  
  ElectronExtensionHostDelegate::~ElectronExtensionHostDelegate() {}
  
  void ElectronExtensionHostDelegate::OnExtensionHostCreated(
      content::WebContents* web_contents) {
    ElectronExtensionWebContentsObserver::CreateForWebContents(web_contents);
  }
  
  void ElectronExtensionHostDelegate::OnMainFrameCreatedForBackgroundPage(
      ExtensionHost* host) {}
  
  content::JavaScriptDialogManager*
  ElectronExtensionHostDelegate::GetJavaScriptDialogManager() {
    // TODO(jamescook): Create a JavaScriptDialogManager or reuse the one from
    // content_shell.
    NOTREACHED();
    return nullptr;
  }
  
  void ElectronExtensionHostDelegate::CreateTab(
      std::unique_ptr<content::WebContents> web_contents,
      const std::string& extension_id,
      WindowOpenDisposition disposition,
      const gfx::Rect& initial_rect,
      bool user_gesture) {
    // TODO(jamescook): Should app_shell support opening popup windows?
    NOTREACHED();
  }
  
  void ElectronExtensionHostDelegate::ProcessMediaAccessRequest(
      content::WebContents* web_contents,
      const content::MediaStreamRequest& request,
      content::MediaResponseCallback callback,
      const Extension* extension) {
    // Allow access to the microphone and/or camera.
    media_capture_util::GrantMediaStreamRequest(web_contents, request,
                                                std::move(callback), extension);
  }
  
  bool ElectronExtensionHostDelegate::CheckMediaAccessPermission(
      content::RenderFrameHost* render_frame_host,
      const GURL& security_origin,
      blink::mojom::MediaStreamType type,
      const Extension* extension) {
    media_capture_util::VerifyMediaAccessPermission(type, extension);
    return true;
  }
  
  content::PictureInPictureResult
  ElectronExtensionHostDelegate::EnterPictureInPicture(
      content::WebContents* web_contents,
      const viz::SurfaceId& surface_id,
      const gfx::Size& natural_size) {
    NOTREACHED();
    return content::PictureInPictureResult();
  }
  
  void ElectronExtensionHostDelegate::ExitPictureInPicture() {
    NOTREACHED();
  }
  
  }  // namespace extensions
  