| // 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_MEDIA_MIDI_DISPATCHER_HOST_H_ |
| #define CONTENT_BROWSER_MEDIA_MIDI_DISPATCHER_HOST_H_ |
| |
| #include <vector> |
| |
| #include "base/callback_forward.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/public/browser/web_contents_observer.h" |
| |
| namespace content { |
| |
| class BrowserContext; |
| |
| // MidiDispatcherHost handles permissions for using system exclusive messages. |
| class MidiDispatcherHost : public WebContentsObserver { |
| public: |
| explicit MidiDispatcherHost(WebContents* web_contents); |
| virtual ~MidiDispatcherHost(); |
| |
| // WebContentsObserver implementation. |
| virtual bool OnMessageReceived(const IPC::Message& message, |
| RenderFrameHost* render_frame_host) OVERRIDE; |
| |
| private: |
| void OnRequestSysExPermission(RenderFrameHost* render_frame_host, |
| int bridge_id, |
| const GURL& origin, |
| bool user_gesture); |
| void OnCancelSysExPermissionRequest(RenderFrameHost* render_frame_host, |
| int bridge_id, |
| const GURL& requesting_frame); |
| void WasSysExPermissionGranted(int render_process_id, |
| int render_frame_id, |
| int bridge_id, |
| bool is_allowed); |
| |
| struct PendingPermission { |
| PendingPermission(int render_process_id, |
| int render_frame_id, |
| int bridge_id); |
| ~PendingPermission(); |
| int render_process_id; |
| int render_frame_id; |
| int bridge_id; |
| base::Closure cancel; |
| }; |
| std::vector<PendingPermission> pending_permissions_; |
| |
| base::WeakPtrFactory<MidiDispatcherHost> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MidiDispatcherHost); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_MEDIA_MIDI_DISPATCHER_HOST_H_ |