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// Copyright 2014 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/public/browser/message_port_provider.h"
#include "base/basictypes.h"
#include "content/browser/browser_thread_impl.h"
#include "content/browser/message_port_message_filter.h"
#include "content/browser/message_port_service.h"
#include "content/browser/renderer_host/render_process_host_impl.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/common/view_messages.h"
namespace content {
void MessagePortProvider::PostMessageToFrame(
WebContents* web_contents,
const base::string16& source_origin,
const base::string16& target_origin,
const base::string16& data,
const std::vector<int>& ports) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
RenderViewHost* rvh = web_contents->GetRenderViewHost();
if (!rvh)
return;
ViewMsg_PostMessage_Params params;
params.is_data_raw_string = true;
params.data = data;
params.source_routing_id = web_contents->GetRoutingID();
params.source_origin = source_origin;
params.target_origin = target_origin;
RenderProcessHostImpl* rph =
static_cast<RenderProcessHostImpl*>(
web_contents->GetRenderProcessHost());
MessagePortMessageFilter* mf = rph->message_port_message_filter();
if (!ports.empty()) {
params.message_port_ids = ports;
mf->UpdateMessagePortsWithNewRoutes(params.message_port_ids,
¶ms.new_routing_ids);
}
rvh->Send(new ViewMsg_PostMessageEvent(
web_contents->GetRenderViewHost()->GetRoutingID(),
params));
}
void MessagePortProvider::CreateMessageChannel(WebContents* web_contents,
int* port1,
int* port2) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
*port1 = 0;
*port2 = 0;
RenderProcessHostImpl* rph =
static_cast<RenderProcessHostImpl*>(
web_contents->GetRenderProcessHost());
MessagePortMessageFilter* mf = rph->message_port_message_filter();
MessagePortService* msp = MessagePortService::GetInstance();
msp->Create(mf->GetNextRoutingID(), mf, port1);
msp->Create(mf->GetNextRoutingID(), mf, port2);
msp->Entangle(*port1, *port2);
msp->Entangle(*port2, *port1);
}
} // namespace content
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