content/renderer/media/crypto/render_cdm_factory.cc

   1 // Copyright 2013 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 "content/renderer/media/crypto/render_cdm_factory.h"
   6
   7 #include "base/logging.h"
   8 #include "media/base/key_systems.h"
   9 #include "media/cdm/aes_decryptor.h"
  10 #include "url/gurl.h"
  11
  12 #if defined(ENABLE_PEPPER_CDMS)
  13 #include "content/renderer/media/crypto/ppapi_decryptor.h"
  14 #elif defined(ENABLE_BROWSER_CDMS)
  15 #include "content/renderer/media/crypto/proxy_media_keys.h"
  16 #endif  // defined(ENABLE_PEPPER_CDMS)
  17
  18 namespace content {
  19
  20 #if defined(ENABLE_PEPPER_CDMS)
  21 RenderCdmFactory::RenderCdmFactory(
  22     const CreatePepperCdmCB& create_pepper_cdm_cb)
  23     : create_pepper_cdm_cb_(create_pepper_cdm_cb) {
  24 }
  25 #elif defined(ENABLE_BROWSER_CDMS)
  26 RenderCdmFactory::RenderCdmFactory(RendererCdmManager* manager)
  27     : manager_(manager) {
  28 }
  29 #else
  30 RenderCdmFactory::RenderCdmFactory() {
  31 }
  32 #endif  // defined(ENABLE_PEPPER_CDMS)
  33
  34 RenderCdmFactory::~RenderCdmFactory() {
  35 }
  36
  37 scoped_ptr<media::MediaKeys> RenderCdmFactory::Create(
  38     const std::string& key_system,
  39     const GURL& security_origin,
  40     const media::SessionMessageCB& session_message_cb,
  41     const media::SessionClosedCB& session_closed_cb,
  42     const media::SessionErrorCB& session_error_cb,
  43     const media::SessionKeysChangeCB& session_keys_change_cb,
  44     const media::SessionExpirationUpdateCB& session_expiration_update_cb) {
  45   // TODO(jrummell): Pass |security_origin| to all constructors.
  46   // TODO(jrummell): Enable the following line once blink code updated to
  47   // check the security origin before calling.
  48   // DCHECK(security_origin.is_valid());
  49
  50   if (media::CanUseAesDecryptor(key_system)) {
  51     return scoped_ptr<media::MediaKeys>(new media::AesDecryptor(
  52         session_message_cb, session_closed_cb, session_keys_change_cb));
  53   }
  54
  55 #if defined(ENABLE_PEPPER_CDMS)
  56   return scoped_ptr<media::MediaKeys>(
  57       PpapiDecryptor::Create(key_system,
  58                              security_origin,
  59                              create_pepper_cdm_cb_,
  60                              session_message_cb,
  61                              session_closed_cb,
  62                              session_error_cb,
  63                              session_keys_change_cb,
  64                              session_expiration_update_cb));
  65 #elif defined(ENABLE_BROWSER_CDMS)
  66   return scoped_ptr<media::MediaKeys>(
  67       ProxyMediaKeys::Create(key_system,
  68                              security_origin,
  69                              manager_,
  70                              session_message_cb,
  71                              session_closed_cb,
  72                              session_error_cb,
  73                              session_keys_change_cb,
  74                              session_expiration_update_cb));
  75 #else
  76   return nullptr;
  77 #endif  // defined(ENABLE_PEPPER_CDMS)
  78 }
  79
  80 }  // namespace content