Provides method for setting a BrowserCdmFactory for IPC-based CDM.

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 BrowserCdm::SessionCreatedCB& session_created_cb,
+    const BrowserCdm::SessionMessageCB& session_message_cb,
+    const BrowserCdm::SessionReadyCB& session_ready_cb,
+    const BrowserCdm::SessionClosedCB& session_closed_cb,
+    const BrowserCdm::SessionErrorCB& session_error_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_created_cb,
+                                         session_message_cb,
+                                         session_ready_cb,
+                                         session_closed_cb,
+                                         session_error_cb);
+}
+
+}  // namespace media