Move MediaDrmBridge provision communication to native side.

media/base/android/media_drm_bridge.h

 // Copyright (c) 2013 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_ANDROID_MEDIA_DRM_BRIDGE_H_
 #define MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_H_
 
 #include <jni.h>
 #include <string>
 #include <vector>
@@ skipping 14 matching lines @@
 namespace media {
 
 // Implements a CDM using Android MediaDrm API.
 //
 // Thread Safety:
 //
 // This class lives on the thread where it is created. All methods must be
 // called on the |task_runner_| except for the PlayerTracker methods and
 // SetMediaCryptoReadyCB(), which can be called on any thread.
 
+class ProvisionFetcher;
+
 class MEDIA_EXPORT MediaDrmBridge : public MediaKeys, public PlayerTracker {
  public:
   // TODO(ddorwin): These are specific to Widevine. http://crbug.com/459400
   enum SecurityLevel {
     SECURITY_LEVEL_NONE = 0,
     SECURITY_LEVEL_1 = 1,
     SECURITY_LEVEL_3 = 3,
   };
 
   using JavaObjectPtr = scoped_ptr<base::android::ScopedJavaGlobalRef<jobject>>;
@@ skipping 25 matching lines @@
 
   // Returns the list of the platform-supported key system names that
   // are not handled by Chrome explicitly.
   static std::vector<std::string> GetPlatformKeySystemNames();
 
   // Returns a MediaDrmBridge instance if |key_system| is supported, or a NULL
   // pointer otherwise.
   // TODO(xhwang): Is it okay not to update session expiration info?
   static scoped_refptr<MediaDrmBridge> Create(
       const std::string& key_system,
+      scoped_ptr<ProvisionFetcher> provision_fetcher,
       const SessionMessageCB& session_message_cb,
       const SessionClosedCB& session_closed_cb,
       const LegacySessionErrorCB& legacy_session_error_cb,
       const SessionKeysChangeCB& session_keys_change_cb,
       const SessionExpirationUpdateCB& session_expiration_update_cb);
 
   // Returns a MediaDrmBridge instance if |key_system| is supported, or a NULL
   // otherwise. No session callbacks are provided. This is used when we need to
   // use MediaDrmBridge without creating any sessions.
   static scoped_refptr<MediaDrmBridge> CreateWithoutSessionSupport(
-      const std::string& key_system);
+      const std::string& key_system,
+      scoped_ptr<ProvisionFetcher> provision_fetcher);
 
   // MediaKeys implementation.
   void SetServerCertificate(
       const std::vector<uint8_t>& certificate,
       scoped_ptr<media::SimpleCdmPromise> promise) override;
   void CreateSessionAndGenerateRequest(
       SessionType session_type,
       media::EmeInitDataType init_data_type,
       const std::vector<uint8_t>& init_data,
       scoped_ptr<media::NewSessionCdmPromise> promise) override;
@@ skipping 51 matching lines @@
   // should make sure that the callbacks are posted to the correct thread.
   // TODO(xhwang): Move this up to be close to RegisterPlayer().
   void SetMediaCryptoReadyCB(const MediaCryptoReadyCB& media_crypto_ready_cb);
 
   // All the OnXxx functions below are called from Java. The implementation must
   // only do minimal work and then post tasks to avoid reentrancy issues.
 
   // Called by Java after a MediaCrypto object is created.
   void OnMediaCryptoReady(JNIEnv* env, jobject j_media_drm);
 
+  // Called by Java when we need to send a provisioning request,
+  void OnStartProvisioning(JNIEnv* env,
+                           jobject j_media_drm,
+                           jstring j_default_url,
+                           jbyteArray j_request_data);
+
   // Callbacks to resolve the promise for |promise_id|.
   void OnPromiseResolved(JNIEnv* env, jobject j_media_drm, jint j_promise_id);
   void OnPromiseResolvedWithSession(JNIEnv* env,
                                     jobject j_media_drm,
                                     jint j_promise_id,
                                     jbyteArray j_session_id);
 
   // Callback to reject the promise for |promise_id| with |error_message|.
   // Note: No |system_error| is available from MediaDrm.
   // TODO(xhwang): Implement Exception code.
@@ skipping 42 matching lines @@
                             jstring j_error_message);
 
   // Called by the java object when credential reset is completed.
   void OnResetDeviceCredentialsCompleted(JNIEnv* env, jobject, bool success);
 
  private:
   // For DeleteSoon() in DeleteOnCorrectThread().
   friend class base::DeleteHelper<MediaDrmBridge>;
 
   MediaDrmBridge(const std::vector<uint8>& scheme_uuid,
+                 scoped_ptr<ProvisionFetcher> provision_fetcher,
                  const SessionMessageCB& session_message_cb,
                  const SessionClosedCB& session_closed_cb,
                  const LegacySessionErrorCB& legacy_session_error_cb,
                  const SessionKeysChangeCB& session_keys_change_cb,
                  const SessionExpirationUpdateCB& session_expiration_update_cb);
 
   ~MediaDrmBridge() override;
 
   static bool IsSecureDecoderRequired(SecurityLevel security_level);
 
   // Get the security level of the media.
   SecurityLevel GetSecurityLevel();
 
   // A helper method that calculates the |media_crypto_ready_cb_| arguments and
   // run this callback.
   void NotifyMediaCryptoReady(const MediaCryptoReadyCB& cb);
 
+  // Sends HTTP provisioning request to a provisioning server.
+  void SendProvisioningRequest(const std::string& default_url,
+                               const std::string& request_data);
+
+  // Process the data received by provisioning server.
+  void ProcessProvisionResponse(bool success, const std::string& response);
+
   // UUID of the key system.
   std::vector<uint8> scheme_uuid_;
 
   // Java MediaDrm instance.
   base::android::ScopedJavaGlobalRef<jobject> j_media_drm_;
 
+  // The object that requests and receives provisioning data.
+  scoped_ptr<ProvisionFetcher> provision_fetcher_;
+
   // Callbacks for firing session events.
   SessionMessageCB session_message_cb_;
   SessionClosedCB session_closed_cb_;
   LegacySessionErrorCB legacy_session_error_cb_;
   SessionKeysChangeCB session_keys_change_cb_;
   SessionExpirationUpdateCB session_expiration_update_cb_;
 
   MediaCryptoReadyCB media_crypto_ready_cb_;
 
   ResetCredentialsCB reset_credentials_cb_;
 
   PlayerTrackerImpl player_tracker_;
 
   // TODO(xhwang): Host a CdmPromiseAdapter directly. No need to use scoped_ptr.
   scoped_ptr<CdmPromiseAdapter> cdm_promise_adapter_;
 
   // Default task runner.
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<MediaDrmBridge> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaDrmBridge);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_H_