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.
5 #include "content/renderer/media/midi_dispatcher.h"
8 #include "base/message_loop/message_loop.h"
9 #include "content/common/media/midi_messages.h"
10 #include "content/renderer/render_view_impl.h"
11 #include "third_party/WebKit/public/web/WebMIDIPermissionRequest.h"
12 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
14 using WebKit::WebMIDIPermissionRequest;
15 using WebKit::WebSecurityOrigin;
19 MIDIDispatcher::MIDIDispatcher(RenderViewImpl* render_view)
20 : RenderViewObserver(render_view) {
23 MIDIDispatcher::~MIDIDispatcher() {}
25 bool MIDIDispatcher::OnMessageReceived(const IPC::Message& message) {
27 IPC_BEGIN_MESSAGE_MAP(MIDIDispatcher, message)
28 IPC_MESSAGE_HANDLER(MIDIMsg_SysExPermissionApproved,
29 OnSysExPermissionApproved)
30 IPC_MESSAGE_UNHANDLED(handled = false)
35 void MIDIDispatcher::requestSysExPermission(
36 const WebMIDIPermissionRequest& request) {
37 int bridge_id = requests_.Add(new WebMIDIPermissionRequest(request));
38 WebSecurityOrigin security_origin = request.securityOrigin();
39 std::string origin = security_origin.toString().utf8();
41 Send(new MIDIHostMsg_RequestSysExPermission(routing_id(), bridge_id, url));
44 void MIDIDispatcher::cancelSysExPermissionRequest(
45 const WebMIDIPermissionRequest& request) {
46 for (IDMap<WebMIDIPermissionRequest>::iterator it(&requests_);
49 WebMIDIPermissionRequest* value = it.GetCurrentValue();
50 if (value->equals(request)) {
51 string16 origin = request.securityOrigin().toString();
52 Send(new MIDIHostMsg_CancelSysExPermissionRequest(
53 routing_id(), it.GetCurrentKey(), GURL(origin)));
54 requests_.Remove(it.GetCurrentKey());
60 void MIDIDispatcher::OnSysExPermissionApproved(int bridge_id, bool is_allowed) {
61 // |request| can be NULL when the request is canceled.
62 WebMIDIPermissionRequest* request = requests_.Lookup(bridge_id);
65 request->setIsAllowed(is_allowed);
66 requests_.Remove(bridge_id);
69 } // namespace content