| // 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 "base/message_loop/message_loop.h" |
| #include "content/common/media/midi_messages.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() {} |
| |
| bool MidiDispatcher::OnMessageReceived(const IPC::Message& message) { |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(MidiDispatcher, message) |
| IPC_MESSAGE_HANDLER(MidiMsg_SysExPermissionApproved, |
| OnSysExPermissionApproved) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| |
| void MidiDispatcher::requestSysexPermission( |
| const WebMIDIPermissionRequest& request) { |
| int bridge_id = requests_.Add(new WebMIDIPermissionRequest(request)); |
| WebSecurityOrigin security_origin = request.securityOrigin(); |
| GURL url(security_origin.toString()); |
| Send(new MidiHostMsg_RequestSysExPermission(routing_id(), bridge_id, url, |
| blink::WebUserGestureIndicator::isProcessingUserGesture())); |
| } |
| |
| 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::OnSysExPermissionApproved(int bridge_id, |
| bool is_allowed) { |
| // |request| can be NULL when the request is canceled. |
| WebMIDIPermissionRequest* request = requests_.Lookup(bridge_id); |
| if (!request) |
| return; |
| request->setIsAllowed(is_allowed); |
| requests_.Remove(bridge_id); |
| } |
| |
| } // namespace content |