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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 <stdint.h>
#include "base/bind.h"
#include "base/message_loop/message_loop.h"
#include "jingle/glue/task_pump.h"
namespace jingle_glue {
TaskPump::TaskPump()
: posted_wake_(false),
stopped_(false),
weak_factory_(this) {
}
TaskPump::~TaskPump() {
DCHECK(CalledOnValidThread());
}
void TaskPump::WakeTasks() {
DCHECK(CalledOnValidThread());
if (!stopped_ && !posted_wake_) {
base::MessageLoop* current_message_loop = base::MessageLoop::current();
CHECK(current_message_loop);
// Do the requested wake up.
current_message_loop->PostTask(
FROM_HERE,
base::Bind(&TaskPump::CheckAndRunTasks, weak_factory_.GetWeakPtr()));
posted_wake_ = true;
}
}
int64_t TaskPump::CurrentTime() {
DCHECK(CalledOnValidThread());
// Only timeout tasks rely on this function. Since we're not using
// libjingle tasks for timeout, it's safe to return 0 here.
return 0;
}
void TaskPump::Stop() {
stopped_ = true;
}
void TaskPump::CheckAndRunTasks() {
DCHECK(CalledOnValidThread());
if (stopped_) {
return;
}
posted_wake_ = false;
// We shouldn't be using libjingle for timeout tasks, so we should
// have no timeout tasks at all.
// TODO(akalin): Add HasTimeoutTask() back in TaskRunner class and
// uncomment this check.
// DCHECK(!HasTimeoutTask())
RunTasks();
}
} // namespace jingle_glue
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