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

media/base/browser_cdm_factory.h

 // 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.
 
 #ifndef MEDIA_BASE_BROWSER_CDM_FACTORY_H_
 #define MEDIA_BASE_BROWSER_CDM_FACTORY_H_
 
 #include <string>
 
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/base/browser_cdm.h"
 #include "media/base/media_export.h"
 
 namespace media {
 
+class MEDIA_EXPORT BrowserCdmFactory {
+ public:
+  BrowserCdmFactory() {}
+  virtual ~BrowserCdmFactory() {}
+
+  virtual 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) = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BrowserCdmFactory);
+};
+
+// Provides a factory for creating BrowserCdm instances. There is only one
+// BrowserCdmFactory per process.
+void SetBrowserCdmFactory(BrowserCdmFactory* factory);
+
 // Creates a BrowserCdm for |key_system|. Returns NULL if the CDM cannot be
 // created.
 // TODO(xhwang): Add ifdef for IPC based CDM.
 scoped_ptr<BrowserCdm> MEDIA_EXPORT
     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);
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_BROWSER_CDM_FACTORY_H_