diff options
Diffstat (limited to 'chromium/content/browser/media/midi_dispatcher_host.h')
-rw-r--r-- | chromium/content/browser/media/midi_dispatcher_host.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/chromium/content/browser/media/midi_dispatcher_host.h b/chromium/content/browser/media/midi_dispatcher_host.h new file mode 100644 index 00000000000..87b7b1df776 --- /dev/null +++ b/chromium/content/browser/media/midi_dispatcher_host.h @@ -0,0 +1,60 @@ +// 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_ |