| // 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) 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, |
| bool user_gesture); |
| 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_ |