media/base/browser_cdm_factory.cc

// 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 "media/base/browser_cdm_factory.h"

#include "base/logging.h"

#if defined(OS_ANDROID)
#include "media/base/android/browser_cdm_factory_android.h"
#endif

namespace media {

namespace {
BrowserCdmFactory* g_cdm_factory = NULL;
}

void SetBrowserCdmFactory(BrowserCdmFactory* factory) {
  DCHECK(!g_cdm_factory);
  g_cdm_factory = factory;
}

scoped_ptr<BrowserCdm> CreateBrowserCdm(
    const std::string& key_system,
    const SessionMessageCB& session_message_cb,
    const SessionClosedCB& session_closed_cb,
    const SessionErrorCB& session_error_cb,
    const SessionKeysChangeCB& session_keys_change_cb,
    const SessionExpirationUpdateCB& session_expiration_update_cb) {
  if (!g_cdm_factory) {
#if defined(OS_ANDROID)
    SetBrowserCdmFactory(new BrowserCdmFactoryAndroid);
#else
    LOG(ERROR) << "Cannot create BrowserCdm: no BrowserCdmFactory available!";
    return scoped_ptr<BrowserCdm>();
#endif
  }

  return g_cdm_factory->CreateBrowserCdm(
      key_system, session_message_cb, session_closed_cb, session_error_cb,
      session_keys_change_cb, session_expiration_update_cb);
}

}  // namespace media