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// Copyright 2015 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 "android_webview/browser/aw_message_port_message_filter.h"
#include "android_webview/browser/aw_browser_context.h"
#include "android_webview/common/aw_message_port_messages.h"
#include "content/public/browser/message_port_provider.h"
#include "content/public/common/message_port_types.h"
using content::BrowserThread;
using content::MessagePortProvider;
namespace android_webview {
AwMessagePortMessageFilter::AwMessagePortMessageFilter(int route_id)
: BrowserMessageFilter(AwMessagePortMsgStart), route_id_(route_id) {
}
AwMessagePortMessageFilter::~AwMessagePortMessageFilter() {
}
void AwMessagePortMessageFilter::OnChannelClosing() {
MessagePortProvider::OnMessagePortDelegateClosing(this);
AwBrowserContext::GetDefault()->GetMessagePortService()->
OnMessagePortMessageFilterClosing(this);
}
bool AwMessagePortMessageFilter::OnMessageReceived(
const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(AwMessagePortMessageFilter, message)
IPC_MESSAGE_FORWARD(AwMessagePortHostMsg_ConvertedWebToAppMessage,
AwBrowserContext::GetDefault()->GetMessagePortService(),
AwMessagePortService::OnConvertedWebToAppMessage)
IPC_MESSAGE_HANDLER(AwMessagePortHostMsg_ConvertedAppToWebMessage,
OnConvertedAppToWebMessage)
IPC_MESSAGE_HANDLER(AwMessagePortHostMsg_ClosePortAck, OnClosePortAck)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void AwMessagePortMessageFilter::OnConvertedAppToWebMessage(
int msg_port_id,
const base::string16& message,
const std::vector<int>& sent_message_port_ids) {
std::vector<content::TransferredMessagePort>
sent_ports(sent_message_port_ids.size());
for (size_t i = 0; i < sent_message_port_ids.size(); ++i)
sent_ports[i].id = sent_message_port_ids[i];
// TODO(mek): Bypass the extra roundtrip and just send the unconverted message
// to the renderer directly.
MessagePortProvider::PostMessageToPort(msg_port_id,
content::MessagePortMessage(message),
sent_ports);
}
void AwMessagePortMessageFilter::OnClosePortAck(int message_port_id) {
MessagePortProvider::ClosePort(message_port_id);
AwBrowserContext::GetDefault()->GetMessagePortService()->
CleanupPort(message_port_id);
}
void AwMessagePortMessageFilter::OnDestruct() const {
BrowserThread::DeleteOnIOThread::Destruct(this);
}
void AwMessagePortMessageFilter::SendAppToWebMessage(
int msg_port_route_id,
const base::string16& message,
const std::vector<int>& sent_message_port_ids) {
Send(new AwMessagePortMsg_AppToWebMessage(
route_id_,
msg_port_route_id, // same as the port id
message, sent_message_port_ids));
}
void AwMessagePortMessageFilter::SendClosePortMessage(int message_port_id) {
Send(new AwMessagePortMsg_ClosePort(route_id_, message_port_id));
}
void AwMessagePortMessageFilter::SendMessage(
int msg_port_route_id,
const content::MessagePortMessage& message,
const std::vector<content::TransferredMessagePort>& sent_message_ports) {
DCHECK(message.is_string());
std::vector<int> sent_message_port_ids(sent_message_ports.size());
for (size_t i = 0; i < sent_message_ports.size(); ++i) {
DCHECK(!sent_message_ports[i].send_messages_as_values);
int sent_port_id = sent_message_ports[i].id;
MessagePortProvider::HoldMessages(sent_port_id);
MessagePortProvider::UpdateMessagePort(sent_port_id, this);
sent_message_port_ids[i] = sent_port_id;
}
Send(new AwMessagePortMsg_WebToAppMessage(
route_id_,
msg_port_route_id, // same as the port id
message.message_as_string, sent_message_port_ids));
}
void AwMessagePortMessageFilter::SendMessagesAreQueued(int route_id) {
// TODO(sgurun) implement
NOTREACHED();
}
} // namespace android_webview
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