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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_PERMISSION_HELPER_DELEGATE_H_
#define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_PERMISSION_HELPER_DELEGATE_H_
#include <string>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "components/content_settings/core/common/content_settings_types.h"
#include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
#include "third_party/blink/public/mojom/mediastream/media_stream.mojom.h"
namespace content {
struct MediaStreamRequest;
class WebContents;
} // namespace content
namespace url {
class Origin;
} // namespace url
class GURL;
namespace extensions {
// A delegate class of WebViewPermissionHelper to request permissions that are
// not a part of extensions.
class WebViewPermissionHelperDelegate {
public:
explicit WebViewPermissionHelperDelegate(
WebViewPermissionHelper* web_view_permission_helper);
WebViewPermissionHelperDelegate(const WebViewPermissionHelperDelegate&) =
delete;
WebViewPermissionHelperDelegate& operator=(
const WebViewPermissionHelperDelegate&) = delete;
virtual ~WebViewPermissionHelperDelegate();
virtual void CanDownload(const GURL& url,
const std::string& request_method,
base::OnceCallback<void(bool)> callback) {}
virtual void RequestMediaAccessPermissionForControlledFrame(
content::WebContents* source,
const content::MediaStreamRequest& request,
content::MediaResponseCallback callback) {}
virtual bool CheckMediaAccessPermissionForControlledFrame(
content::RenderFrameHost* render_frame_host,
const url::Origin& security_origin,
blink::mojom::MediaStreamType type);
virtual void RequestPointerLockPermission(
bool user_gesture,
bool last_unlocked_by_target,
base::OnceCallback<void(bool)> callback) {}
// Requests Geolocation Permission from the embedder.
virtual void RequestGeolocationPermission(
const GURL& requesting_frame_url,
bool user_gesture,
base::OnceCallback<void(bool)> callback) {}
virtual void RequestHidPermission(const GURL& requesting_frame_url,
base::OnceCallback<void(bool)> callback) {}
virtual void RequestFileSystemPermission(
const GURL& url,
bool allowed_by_default,
base::OnceCallback<void(bool)> callback) {}
virtual void RequestFullscreenPermission(
const url::Origin& requesting_origin,
WebViewPermissionHelper::PermissionResponseCallback callback) {}
// Called when file system access is requested by the guest content using the
// asynchronous HTML5 file system API. The request is plumbed through the
// <webview> permission request API. The request will be:
// - Allowed if the embedder explicitly allowed it.
// - Denied if the embedder explicitly denied.
// - Determined by the guest's content settings if the embedder does not
// perform an explicit action.
// If access was blocked due to the page's content settings,
// `blocked_by_policy` should be true, and this function should invoke
// OnContentBlocked.
virtual void FileSystemAccessedAsync(int render_process_id,
int render_frame_id,
int request_id,
const GURL& url,
bool blocked_by_policy) {}
// Whether media requests approved by the webview embedder are forwarded as
// the embedder. When false, media requests retain the embedded origin.
virtual bool ForwardEmbeddedMediaPermissionChecksAsEmbedder(
const url::Origin& embedder_origin);
// Allows the delegate to override the results of permission requests; useful
// when custom handling is needed for specific webviews.
virtual std::optional<content::PermissionResult> OverridePermissionResult(
ContentSettingsType type);
WebViewPermissionHelper* web_view_permission_helper() const {
return web_view_permission_helper_;
}
private:
const raw_ptr<WebViewPermissionHelper> web_view_permission_helper_;
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_PERMISSION_HELPER_DELEGATE_H_
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