| // 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. |
| |
| #include "content/renderer/media/midi_dispatcher.h" |
| |
| #include "base/bind.h" |
| #include "content/public/common/service_registry.h" |
| #include "content/public/renderer/render_frame.h" |
| #include "third_party/WebKit/public/platform/WebString.h" |
| #include "third_party/WebKit/public/web/WebMIDIPermissionRequest.h" |
| #include "third_party/WebKit/public/web/WebSecurityOrigin.h" |
| #include "third_party/WebKit/public/web/WebUserGestureIndicator.h" |
| |
| using blink::WebMIDIPermissionRequest; |
| using blink::WebSecurityOrigin; |
| |
| namespace content { |
| |
| MidiDispatcher::MidiDispatcher(RenderFrame* render_frame) |
| : RenderFrameObserver(render_frame) { |
| } |
| |
| MidiDispatcher::~MidiDispatcher() {} |
| |
| void MidiDispatcher::requestSysexPermission( |
| const WebMIDIPermissionRequest& request) { |
| if (!permission_service_.get()) { |
| render_frame()->GetServiceRegistry()->ConnectToRemoteService( |
| mojo::GetProxy(&permission_service_)); |
| } |
| |
| int permission_request_id = |
| requests_.Add(new WebMIDIPermissionRequest(request)); |
| |
| permission_service_->RequestPermission( |
| PERMISSION_NAME_MIDI_SYSEX, |
| request.securityOrigin().toString().utf8(), |
| blink::WebUserGestureIndicator::isProcessingUserGesture(), |
| base::Bind(&MidiDispatcher::OnSysExPermissionSet, |
| base::Unretained(this), |
| permission_request_id)); |
| } |
| |
| void MidiDispatcher::cancelSysexPermissionRequest( |
| const WebMIDIPermissionRequest& request) { |
| for (Requests::iterator it(&requests_); !it.IsAtEnd(); it.Advance()) { |
| WebMIDIPermissionRequest* value = it.GetCurrentValue(); |
| if (!value->equals(request)) |
| continue; |
| requests_.Remove(it.GetCurrentKey()); |
| break; |
| } |
| } |
| |
| void MidiDispatcher::OnSysExPermissionSet(int request_id, |
| PermissionStatus status) { |
| // |request| can be NULL when the request is canceled. |
| WebMIDIPermissionRequest* request = requests_.Lookup(request_id); |
| if (!request) |
| return; |
| request->setIsAllowed(status == PERMISSION_STATUS_GRANTED); |
| requests_.Remove(request_id); |
| } |
| |
| } // namespace content |