| // 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/renderer/render_frame.h" |
| #include "services/shell/public/cpp/interface_provider.h" |
| #include "third_party/WebKit/public/platform/WebSecurityOrigin.h" |
| #include "third_party/WebKit/public/platform/WebString.h" |
| #include "third_party/WebKit/public/web/WebUserGestureIndicator.h" |
| #include "third_party/WebKit/public/web/modules/webmidi/WebMIDIOptions.h" |
| #include "third_party/WebKit/public/web/modules/webmidi/WebMIDIPermissionRequest.h" |
| |
| using blink::WebMIDIPermissionRequest; |
| using blink::WebMIDIOptions; |
| using blink::WebSecurityOrigin; |
| |
| namespace content { |
| |
| MidiDispatcher::MidiDispatcher(RenderFrame* render_frame) |
| : RenderFrameObserver(render_frame) { |
| } |
| |
| MidiDispatcher::~MidiDispatcher() {} |
| |
| void MidiDispatcher::OnDestruct() { |
| delete this; |
| } |
| |
| void MidiDispatcher::requestPermission(const WebMIDIPermissionRequest& request, |
| const WebMIDIOptions& options) { |
| if (!permission_service_.get()) |
| render_frame()->GetRemoteInterfaces()->GetInterface(&permission_service_); |
| |
| int permission_request_id = |
| requests_.Add(new WebMIDIPermissionRequest(request)); |
| |
| blink::mojom::PermissionName permission_name = |
| (options.sysex == WebMIDIOptions::SysexPermission::WithSysex) |
| ? blink::mojom::PermissionName::MIDI_SYSEX |
| : blink::mojom::PermissionName::MIDI; |
| |
| permission_service_->RequestPermission( |
| permission_name, request.getSecurityOrigin().toString().utf8(), |
| blink::WebUserGestureIndicator::isProcessingUserGesture(), |
| base::Bind(&MidiDispatcher::OnPermissionSet, base::Unretained(this), |
| permission_request_id)); |
| } |
| |
| void MidiDispatcher::cancelPermissionRequest( |
| 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::OnPermissionSet(int request_id, |
| blink::mojom::PermissionStatus status) { |
| // |request| can be NULL when the request is canceled. |
| WebMIDIPermissionRequest* request = requests_.Lookup(request_id); |
| if (!request) |
| return; |
| request->setIsAllowed(status == blink::mojom::PermissionStatus::GRANTED); |
| requests_.Remove(request_id); |
| } |
| |
| } // namespace content |