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// Copyright 2015 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.
#ifndef CHROME_BROWSER_MEDIA_MEDIA_ACCESS_HANDLER_H_
#define CHROME_BROWSER_MEDIA_MEDIA_ACCESS_HANDLER_H_
#include "base/callback.h"
#include "content/public/browser/media_request_state.h"
#include "content/public/common/media_stream_request.h"
namespace content {
class WebContents;
}
namespace extensions {
class Extension;
}
// Interface for handling media access requests that are propagated from
// MediaCaptureDevicesDispatcher.
class MediaAccessHandler {
public:
MediaAccessHandler() {}
virtual ~MediaAccessHandler() {}
// Check if the media stream type is supported by MediaAccessHandler.
virtual bool SupportsStreamType(const content::MediaStreamType type,
const extensions::Extension* extension) = 0;
// Check media access permission. |extension| is set to NULL if request was
// made from a drive-by page.
virtual bool CheckMediaAccessPermission(
content::WebContents* web_contents,
const GURL& security_origin,
content::MediaStreamType type,
const extensions::Extension* extension) = 0;
// Process media access requests. |extension| is set to NULL if request was
// made from a drive-by page.
virtual void HandleRequest(content::WebContents* web_contents,
const content::MediaStreamRequest& request,
const content::MediaResponseCallback& callback,
const extensions::Extension* extension) = 0;
// Update media request state. Called on UI thread.
virtual void UpdateMediaRequestState(int render_process_id,
int render_frame_id,
int page_request_id,
content::MediaStreamType stream_type,
content::MediaRequestState state) {}
};
#endif // CHROME_BROWSER_MEDIA_MEDIA_ACCESS_HANDLER_H_
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