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1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "content/renderer/media/midi_dispatcher.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "content/public/renderer/render_frame.h" | |
9 #include "services/shell/public/cpp/interface_provider.h" | |
10 #include "third_party/WebKit/public/platform/WebSecurityOrigin.h" | |
11 #include "third_party/WebKit/public/platform/WebString.h" | |
12 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h" | |
13 #include "third_party/WebKit/public/web/modules/webmidi/WebMIDIOptions.h" | |
14 #include "third_party/WebKit/public/web/modules/webmidi/WebMIDIPermissionRequest
.h" | |
15 | |
16 using blink::WebMIDIPermissionRequest; | |
17 using blink::WebMIDIOptions; | |
18 using blink::WebSecurityOrigin; | |
19 | |
20 namespace content { | |
21 | |
22 MidiDispatcher::MidiDispatcher(RenderFrame* render_frame) | |
23 : RenderFrameObserver(render_frame) { | |
24 } | |
25 | |
26 MidiDispatcher::~MidiDispatcher() {} | |
27 | |
28 void MidiDispatcher::OnDestruct() { | |
29 delete this; | |
30 } | |
31 | |
32 void MidiDispatcher::requestPermission(const WebMIDIPermissionRequest& request, | |
33 const WebMIDIOptions& options) { | |
34 if (!permission_service_.get()) | |
35 render_frame()->GetRemoteInterfaces()->GetInterface(&permission_service_); | |
36 | |
37 int permission_request_id = | |
38 requests_.Add(new WebMIDIPermissionRequest(request)); | |
39 | |
40 blink::mojom::PermissionName permission_name = | |
41 (options.sysex == WebMIDIOptions::SysexPermission::WithSysex) | |
42 ? blink::mojom::PermissionName::MIDI_SYSEX | |
43 : blink::mojom::PermissionName::MIDI; | |
44 | |
45 permission_service_->RequestPermission( | |
46 permission_name, request.getSecurityOrigin().toString().utf8(), | |
47 blink::WebUserGestureIndicator::isProcessingUserGesture(), | |
48 base::Bind(&MidiDispatcher::OnPermissionSet, base::Unretained(this), | |
49 permission_request_id)); | |
50 } | |
51 | |
52 void MidiDispatcher::cancelPermissionRequest( | |
53 const WebMIDIPermissionRequest& request) { | |
54 for (Requests::iterator it(&requests_); !it.IsAtEnd(); it.Advance()) { | |
55 WebMIDIPermissionRequest* value = it.GetCurrentValue(); | |
56 if (!value->equals(request)) | |
57 continue; | |
58 requests_.Remove(it.GetCurrentKey()); | |
59 break; | |
60 } | |
61 } | |
62 | |
63 void MidiDispatcher::OnPermissionSet(int request_id, | |
64 blink::mojom::PermissionStatus status) { | |
65 // |request| can be NULL when the request is canceled. | |
66 WebMIDIPermissionRequest* request = requests_.Lookup(request_id); | |
67 if (!request) | |
68 return; | |
69 request->setIsAllowed(status == blink::mojom::PermissionStatus::GRANTED); | |
70 requests_.Remove(request_id); | |
71 } | |
72 | |
73 } // namespace content | |
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