media/base/browser_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/base/browser_cdm_factory.h"
   6
   7 #include "base/logging.h"
   8
   9 #if defined(OS_ANDROID)
  10 #include "media/base/android/browser_cdm_factory_android.h"
  11 #endif
  12
  13 namespace media {
  14
  15 namespace {
  16 BrowserCdmFactory* g_cdm_factory = NULL;
  17 }
  18
  19 void SetBrowserCdmFactory(BrowserCdmFactory* factory) {
  20   DCHECK(!g_cdm_factory);
  21   g_cdm_factory = factory;
  22 }
  23
  24 scoped_ptr<BrowserCdm> CreateBrowserCdm(
  25     const std::string& key_system,
  26     bool use_secure_surface,
  27     const SessionMessageCB& session_message_cb,
  28     const SessionClosedCB& session_closed_cb,
  29     const LegacySessionErrorCB& legacy_session_error_cb,
  30     const SessionKeysChangeCB& session_keys_change_cb,
  31     const SessionExpirationUpdateCB& session_expiration_update_cb) {
  32   if (!g_cdm_factory) {
  33 #if defined(OS_ANDROID)
  34     SetBrowserCdmFactory(new BrowserCdmFactoryAndroid);
  35 #else
  36     LOG(ERROR) << "Cannot create BrowserCdm: no BrowserCdmFactory available!";
  37     return scoped_ptr<BrowserCdm>();
  38 #endif
  39   }
  40
  41   return g_cdm_factory->CreateBrowserCdm(
  42       key_system, use_secure_surface, session_message_cb, session_closed_cb,
  43       legacy_session_error_cb, session_keys_change_cb,
  44       session_expiration_update_cb);
  45 }
  46
  47 }  // namespace media