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// Copyright 2013 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 CONTENT_BROWSER_RENDERER_HOST_MEDIA_MIDI_DISPATCHER_HOST_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MIDI_DISPATCHER_HOST_H_
#include "content/public/browser/browser_message_filter.h"
class GURL;
namespace content {
class BrowserContext;
// MIDIDispatcherHost handles permissions for using system exclusive messages.
// It works as BrowserMessageFilter to handle IPC messages between
// MIDIDispatcher running as a RenderViewObserver.
class MIDIDispatcherHost : public BrowserMessageFilter {
public:
MIDIDispatcherHost(int render_process_id, BrowserContext* browser_context);
// BrowserMessageFilter implementation.
virtual bool OnMessageReceived(const IPC::Message& message,
bool* message_was_ok) OVERRIDE;
virtual void OverrideThreadForMessage(
const IPC::Message& message, BrowserThread::ID* thread) OVERRIDE;
protected:
virtual ~MIDIDispatcherHost();
private:
void OnRequestSysExPermission(int render_view_id,
int bridge_id,
const GURL& origin);
void OnCancelSysExPermissionRequest(int render_view_id,
int bridge_id,
const GURL& requesting_frame);
void WasSysExPermissionGranted(int render_view_id,
int bridge_id,
bool success);
int render_process_id_;
BrowserContext* browser_context_;
DISALLOW_COPY_AND_ASSIGN(MIDIDispatcherHost);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MIDI_DISPATCHER_HOST_H_
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