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// 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/browser/renderer_host/media/midi_dispatcher_host.h"
#include "base/bind.h"
#include "content/browser/child_process_security_policy_impl.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/common/media/midi_messages.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "url/gurl.h"
namespace content {
MIDIDispatcherHost::MIDIDispatcherHost(int render_process_id,
BrowserContext* browser_context)
: render_process_id_(render_process_id),
browser_context_(browser_context) {
}
MIDIDispatcherHost::~MIDIDispatcherHost() {
}
bool MIDIDispatcherHost::OnMessageReceived(const IPC::Message& message,
bool* message_was_ok) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP_EX(MIDIDispatcherHost, message, *message_was_ok)
IPC_MESSAGE_HANDLER(MIDIHostMsg_RequestSysExPermission,
OnRequestSysExPermission)
IPC_MESSAGE_HANDLER(MIDIHostMsg_CancelSysExPermissionRequest,
OnCancelSysExPermissionRequest)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP_EX()
return handled;
}
void MIDIDispatcherHost::OverrideThreadForMessage(
const IPC::Message& message, BrowserThread::ID* thread) {
if (IPC_MESSAGE_CLASS(message) == MIDIMsgStart)
*thread = BrowserThread::UI;
}
void MIDIDispatcherHost::OnRequestSysExPermission(int render_view_id,
int bridge_id,
const GURL& origin) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
browser_context_->RequestMIDISysExPermission(
render_process_id_,
render_view_id,
bridge_id,
origin,
base::Bind(&MIDIDispatcherHost::WasSysExPermissionGranted,
base::Unretained(this),
render_view_id,
bridge_id));
}
void MIDIDispatcherHost::OnCancelSysExPermissionRequest(
int render_view_id,
int bridge_id,
const GURL& requesting_frame) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DVLOG(1) << __FUNCTION__ << " " << render_process_id_ << ":" << render_view_id
<< ":" << bridge_id;
browser_context_->CancelMIDISysExPermissionRequest(
render_process_id_, render_view_id, bridge_id, requesting_frame);
}
void MIDIDispatcherHost::WasSysExPermissionGranted(int render_view_id,
int bridge_id,
bool success) {
ChildProcessSecurityPolicyImpl::GetInstance()->GrantSendMIDISysExMessage(
render_process_id_);
Send(new MIDIMsg_SysExPermissionApproved(render_view_id, bridge_id, success));
}
} // namespace content
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