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>
 
 #include "base/android/scoped_java_ref.h"
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "media/base/browser_cdm.h"
 #include "media/base/cdm_promise_adapter.h"
 #include "media/base/media_export.h"
 #include "media/cdm/player_tracker_impl.h"
 #include "url/gurl.h"
 
 class GURL;
 
 namespace media {
 
 class MediaDrmBridge;
+class ProvisionFetcher;
 
 using ScopedMediaDrmBridgePtr = scoped_ptr<MediaDrmBridge, BrowserCdmDeleter>;
 
 // This class provides DRM services for android EME implementation.
 class MEDIA_EXPORT MediaDrmBridge : public BrowserCdm {
  public:
   // TODO(ddorwin): These are specific to Widevine. http://crbug.com/459400
   enum SecurityLevel {
     SECURITY_LEVEL_NONE = 0,
     SECURITY_LEVEL_1 = 1,
@@ skipping 33 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 ScopedMediaDrmBridgePtr 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 ScopedMediaDrmBridgePtr CreateWithoutSessionSupport(

[xhwang, 2015/11/06 23:08:19]

tip: You'll need to do a rebase. Please keep the rebase PS separate from other
PS. For example, you can upload a rebase-only PS, then make your modifications
and upload another PS.

[Tima Vaisburd, 2015/11/11 03:03:34]

Done.

       const std::string& key_system);
 
   // Returns a WeakPtr to be used on the |task_runner_|.
   base::WeakPtr<MediaDrmBridge> WeakPtr();
 
   // MediaKeys (via BrowserCdm) implementation.
   void SetServerCertificate(
       const std::vector<uint8_t>& certificate,
       scoped_ptr<media::SimpleCdmPromise> promise) override;
   void CreateSessionAndGenerateRequest(
@@ skipping 47 matching lines @@
   // Sets callback which will be called when MediaCrypto is ready. If
   // |media_crypto_ready_cb| is null, previously set callback will be cleared.
   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 39 matching lines @@
   void OnLegacySessionError(JNIEnv* env,
                             jobject j_media_drm,
                             jbyteArray j_session_id,
                             jstring j_error_message);
 
   // Called by the java object when credential reset is completed.
   void OnResetDeviceCredentialsCompleted(JNIEnv* env, jobject, bool success);
 
  private:
   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);
 
   static bool IsSecureDecoderRequired(SecurityLevel security_level);
 
   // Get the security level of the media.
   SecurityLevel GetSecurityLevel();
 
   // A helper method that calls a |player_tracker_| method on correct thread.
   void NotifyNewKeyOnCorrectThread();
 
   // 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_;
@@ skipping 17 matching lines @@
 
   // Default WeakPtrFactory.
   base::WeakPtrFactory<MediaDrmBridge> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaDrmBridge);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_H_