// Copyright (c) 2011 The Chromium Embedded Framework 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 "include/cef_task.h"
#include "cef_thread.h"

namespace {

int GetThreadId(CefThreadId threadId)
{
  switch(threadId) {
  case TID_UI: return CefThread::UI;
  case TID_IO: return CefThread::IO;
  case TID_FILE: return CefThread::FILE;
  };
  NOTREACHED();
  return -1;
}

} // anonymous

bool CefCurrentlyOn(CefThreadId threadId)
{
  int id = GetThreadId(threadId);
  if(id < 0)
    return false;

  return CefThread::CurrentlyOn(static_cast<CefThread::ID>(id));
}

class CefTaskHelper : public Task
{
public:
  CefTaskHelper(CefRefPtr<CefTask> task, CefThreadId threadId)
    : task_(task), thread_id_(threadId) {}
  virtual void Run() { task_->Execute(thread_id_); }
private:
  CefRefPtr<CefTask> task_;
  CefThreadId thread_id_;
  DISALLOW_COPY_AND_ASSIGN(CefTaskHelper);
};

bool CefPostTask(CefThreadId threadId, CefRefPtr<CefTask> task)
{
  int id = GetThreadId(threadId);
  if(id < 0)
    return false;

  return CefThread::PostTask(static_cast<CefThread::ID>(id), FROM_HERE,
      new CefTaskHelper(task, threadId));
}

bool CefPostDelayedTask(CefThreadId threadId, CefRefPtr<CefTask> task,
                        long delay_ms)
{
  int id = GetThreadId(threadId);
  if(id < 0)
    return false;

  return CefThread::PostDelayedTask(static_cast<CefThread::ID>(id), FROM_HERE,
      new CefTaskHelper(task, threadId), delay_ms);
}