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 CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_DRM_CREDENTIAL_MANAGER_H_ 6 #define CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_DRM_CREDENTIAL_MANAGER_H_ 7 8 #include <jni.h> 9 #include <string> 10 11 #include "base/callback.h" 12 #include "base/memory/singleton.h" 13 #include "media/base/android/media_drm_bridge.h" 14 15 namespace content { 16 17 // This class manages the media DRM credentials on Android. 18 class MediaDrmCredentialManager { 19 public: 20 static MediaDrmCredentialManager* GetInstance(); 21 22 typedef base::Callback<void(bool)> ResetCredentialsCB; 23 24 // Called to reset the DRM credentials. (for Java) 25 static void ResetCredentials(JNIEnv* env, jclass clazz, jobject callback); 26 27 // Called to reset the DRM credentials. The result is returned in the 28 // |reset_credentials_cb|. 29 void ResetCredentials(const ResetCredentialsCB& reset_credentials_cb); 30 31 static bool RegisterMediaDrmCredentialManager(JNIEnv* env); 32 33 private: 34 friend struct DefaultSingletonTraits<MediaDrmCredentialManager>; 35 friend class Singleton<MediaDrmCredentialManager>; 36 typedef media::MediaDrmBridge::SecurityLevel SecurityLevel; 37 38 MediaDrmCredentialManager(); 39 ~MediaDrmCredentialManager(); 40 41 // Callback function passed to MediaDrmBridge. It is called when credentials 42 // reset is completed. 43 void OnResetCredentialsCompleted(SecurityLevel security_level, bool success); 44 45 // Resets DRM credentials for a particular |security_level|. Returns false if 46 // we fail to create the MediaDrmBridge at all, in which case we cannot reset 47 // the credentials. Otherwise, the result is returned asynchronously in 48 // OnResetCredentialsCompleted() function. 49 bool ResetCredentialsInternal(SecurityLevel security_level); 50 51 // The MediaDrmBridge object used to perform the credential reset. 52 scoped_ptr<media::MediaDrmBridge> media_drm_bridge_; 53 54 // The callback provided by the caller. 55 ResetCredentialsCB reset_credentials_cb_; 56 57 DISALLOW_COPY_AND_ASSIGN(MediaDrmCredentialManager); 58 }; 59 60 } // namespace content 61 62 #endif // CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_DRM_CREDENTIAL_MANAGER_H_ 63
