media/cdm/default_cdm_factory.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "media/cdm/default_cdm_factory.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/location.h"
  10 #include "base/message_loop/message_loop_proxy.h"
  11 #include "media/base/key_systems.h"
  12 #include "media/cdm/aes_decryptor.h"
  13 #include "url/gurl.h"
  14
  15 namespace media {
  16
  17 DefaultCdmFactory::DefaultCdmFactory() {
  18 }
  19
  20 DefaultCdmFactory::~DefaultCdmFactory() {
  21 }
  22
  23 void DefaultCdmFactory::Create(
  24     const std::string& key_system,
  25     bool allow_distinctive_identifier,
  26     bool allow_persistent_state,
  27     const GURL& security_origin,
  28     const SessionMessageCB& session_message_cb,
  29     const SessionClosedCB& session_closed_cb,
  30     const LegacySessionErrorCB& legacy_session_error_cb,
  31     const SessionKeysChangeCB& session_keys_change_cb,
  32     const SessionExpirationUpdateCB& session_expiration_update_cb,
  33     const CdmCreatedCB& cdm_created_cb) {
  34   if (!security_origin.is_valid() || !CanUseAesDecryptor(key_system)) {
  35     base::MessageLoopProxy::current()->PostTask(
  36         FROM_HERE, base::Bind(cdm_created_cb, nullptr));
  37     return;
  38   }
  39
  40   scoped_ptr<MediaKeys> cdm(
  41       new AesDecryptor(security_origin, session_message_cb, session_closed_cb,
  42                        session_keys_change_cb));
  43   base::MessageLoopProxy::current()->PostTask(
  44       FROM_HERE, base::Bind(cdm_created_cb, base::Passed(&cdm)));
  45 }
  46
  47 }  // namespace media