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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_EXTENSION_HOST_DELEGATE_H_
#define EXTENSIONS_BROWSER_EXTENSION_HOST_DELEGATE_H_
#include <string>
#include "content/public/browser/media_stream_request.h"
#include "extensions/common/extension_id.h"
#include "third_party/blink/public/common/mediastream/media_stream_request.h"
#include "ui/base/window_open_disposition.h"
namespace content {
enum class PictureInPictureResult;
class RenderFrameHost;
class WebContents;
}
namespace blink::mojom {
class WindowFeatures;
}
namespace extensions {
class Extension;
class ExtensionHost;
// A delegate to support functionality that cannot exist in the extensions
// module. This is not an inner class of ExtensionHost to allow it to be forward
// declared.
class ExtensionHostDelegate {
public:
virtual ~ExtensionHostDelegate() {}
// Called after the hosting `web_contents` for an extension is created. The
// implementation may wish to add preference observers to `web_contents`.
virtual void OnExtensionHostCreated(content::WebContents* web_contents) = 0;
// Called after `host` creates the renderer main frame for an extension.
virtual void OnMainFrameCreatedForBackgroundPage(ExtensionHost* host) = 0;
// Creates a new tab or popup window with `web_contents`. The embedder may
// choose to do nothing if tabs and popups are not supported.
virtual void CreateTab(std::unique_ptr<content::WebContents> web_contents,
const ExtensionId& extension_id,
WindowOpenDisposition disposition,
const blink::mojom::WindowFeatures& window_features,
bool user_gesture) = 0;
// Requests access to an audio or video media stream. Invokes `callback`
// with the response.
virtual void ProcessMediaAccessRequest(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
content::MediaResponseCallback callback,
const Extension* extension) = 0;
// Checks if we have permission to access the microphone or camera. Note that
// this does not query the user. `type` must be MEDIA_DEVICE_AUDIO_CAPTURE
// or MEDIA_DEVICE_VIDEO_CAPTURE.
virtual bool CheckMediaAccessPermission(
content::RenderFrameHost* render_frame_host,
const url::Origin& security_origin,
blink::mojom::MediaStreamType type,
const Extension* extension) = 0;
// Notifies the Picture-in-Picture controller that there is a new player
// entering Picture-in-Picture.
// Returns the result of the enter request.
virtual content::PictureInPictureResult EnterPictureInPicture(
content::WebContents* web_contents) = 0;
// Updates the Picture-in-Picture controller with a signal that
// Picture-in-Picture mode has ended.
virtual void ExitPictureInPicture() = 0;
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_EXTENSION_HOST_DELEGATE_H_
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