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// Copyright (c) 2012 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 "ipc/ipc_forwarding_message_filter.h"
#include "base/bind.h"
#include "base/location.h"
#include "ipc/ipc_message.h"
namespace IPC {
ForwardingMessageFilter::ForwardingMessageFilter(
const uint32* message_ids_to_filter,
size_t num_message_ids_to_filter,
base::TaskRunner* target_task_runner)
: target_task_runner_(target_task_runner) {
DCHECK(target_task_runner_.get());
for (size_t i = 0; i < num_message_ids_to_filter; i++)
message_ids_to_filter_.insert(message_ids_to_filter[i]);
}
void ForwardingMessageFilter::AddRoute(int routing_id, const Handler& handler) {
DCHECK(!handler.is_null());
base::AutoLock locked(handlers_lock_);
handlers_.insert(std::make_pair(routing_id, handler));
}
void ForwardingMessageFilter::RemoveRoute(int routing_id) {
base::AutoLock locked(handlers_lock_);
handlers_.erase(routing_id);
}
bool ForwardingMessageFilter::OnMessageReceived(const Message& message) {
if (message_ids_to_filter_.find(message.type()) ==
message_ids_to_filter_.end())
return false;
Handler handler;
{
base::AutoLock locked(handlers_lock_);
std::map<int, Handler>::iterator it = handlers_.find(message.routing_id());
if (it == handlers_.end())
return false;
handler = it->second;
}
target_task_runner_->PostTask(FROM_HERE, base::Bind(handler, message));
return true;
}
ForwardingMessageFilter::~ForwardingMessageFilter() {
}
} // namespace IPC
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