media/blink/webcontentdecryptionmodule_impl.h

   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 #ifndef MEDIA_BLINK_WEBCONTENTDECRYPTIONMODULE_IMPL_H_
   6 #define MEDIA_BLINK_WEBCONTENTDECRYPTIONMODULE_IMPL_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/strings/string16.h"
  11 #include "media/base/media_export.h"
  12 #include "third_party/WebKit/public/platform/WebContentDecryptionModule.h"
  13 #include "third_party/WebKit/public/platform/WebContentDecryptionModuleResult.h"
  14
  15 namespace blink {
  16 #if defined(ENABLE_PEPPER_CDMS)
  17 class WebLocalFrame;
  18 #endif
  19 class WebSecurityOrigin;
  20 }
  21
  22 namespace media {
  23
  24 class CdmContext;
  25 class CdmFactory;
  26 class CdmSessionAdapter;
  27 class WebContentDecryptionModuleSessionImpl;
  28
  29 class MEDIA_EXPORT WebContentDecryptionModuleImpl
  30     : public blink::WebContentDecryptionModule {
  31  public:
  32   // TODO(jrummell): Remove once WebContentDecryptionModuleResult always passed.
  33   static WebContentDecryptionModuleImpl* Create(
  34       CdmFactory* cdm_factory,
  35       const blink::WebSecurityOrigin& security_origin,
  36       const base::string16& key_system);
  37   static void Create(CdmFactory* cdm_factory,
  38                      const blink::WebSecurityOrigin& security_origin,
  39                      const base::string16& key_system,
  40                      blink::WebContentDecryptionModuleResult result);
  41
  42   virtual ~WebContentDecryptionModuleImpl();
  43
  44   // blink::WebContentDecryptionModule implementation.
  45   virtual blink::WebContentDecryptionModuleSession* createSession();
  46   // TODO(jrummell): Remove this method once blink updated.
  47   virtual blink::WebContentDecryptionModuleSession* createSession(
  48       blink::WebContentDecryptionModuleSession::Client* client);
  49
  50   virtual void setServerCertificate(
  51       const uint8* server_certificate,
  52       size_t server_certificate_length,
  53       blink::WebContentDecryptionModuleResult result);
  54
  55   // Returns the CdmContext associated with this CDM, which must not be nullptr.
  56   // TODO(jrummell): Figure out lifetimes, as WMPI may still use the decryptor
  57   // after WebContentDecryptionModule is freed. http://crbug.com/330324
  58   CdmContext* GetCdmContext();
  59
  60  private:
  61   // Takes reference to |adapter|.
  62   WebContentDecryptionModuleImpl(scoped_refptr<CdmSessionAdapter> adapter);
  63
  64   scoped_refptr<CdmSessionAdapter> adapter_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(WebContentDecryptionModuleImpl);
  67 };
  68
  69 // Allow typecasting from blink type as this is the only implementation.
  70 inline WebContentDecryptionModuleImpl* ToWebContentDecryptionModuleImpl(
  71     blink::WebContentDecryptionModule* cdm) {
  72   return static_cast<WebContentDecryptionModuleImpl*>(cdm);
  73 }
  74
  75 }  // namespace media
  76
  77 #endif  // MEDIA_BLINK_WEBCONTENTDECRYPTIONMODULE_IMPL_H_