[Android] JNI binding for MediaDrmCredentialManager

content/browser/media/android/media_drm_credential_manager.cc

Index: content/browser/media/android/media_drm_credential_manager.cc
diff --git a/content/browser/media/android/media_drm_credential_manager.cc b/content/browser/media/android/media_drm_credential_manager.cc
index 6545a70814c28bb825a3c9c71951aff03db7e20b..8151256dad61f4cd76f45f0855f42dbe9eda9ba4 100644
--- a/content/browser/media/android/media_drm_credential_manager.cc
+++ b/content/browser/media/android/media_drm_credential_manager.cc
@@ -4,11 +4,28 @@
 
 #include "content/browser/media/android/media_drm_credential_manager.h"
 
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
 #include "base/bind.h"
 #include "base/callback_helpers.h"
+#include "jni/MediaDrmCredentialManager_jni.h"
 #include "media/base/android/media_drm_bridge.h"
 #include "url/gurl.h"
 
+using base::android::ScopedJavaGlobalRef;
+
+namespace {
+
+void MediaDrmCredentialManagerCallback(
+    const ScopedJavaGlobalRef<jobject>& j_media_drm_credential_manager_callback,
+    bool succeeded) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  content::Java_MediaDrmCredentialManagerCallback_onCredentialResetFinished(
+      env, j_media_drm_credential_manager_callback.obj(), succeeded);
+}
+
+}  // namespace
+
 namespace content {
 
 // TODO(qinmin): Move the UUID definition to some common places.
@@ -16,9 +33,14 @@ static const uint8 kWidevineUuid[16] = {
     0xED, 0xEF, 0x8B, 0xA9, 0x79, 0xD6, 0x4A, 0xCE,
     0xA3, 0xC8, 0x27, 0xDC, 0xD5, 0x1D, 0x21, 0xED };
 
-MediaDrmCredentialManager::MediaDrmCredentialManager() {}
+MediaDrmCredentialManager::MediaDrmCredentialManager() {};
+
+MediaDrmCredentialManager::~MediaDrmCredentialManager() {};
 
-MediaDrmCredentialManager::~MediaDrmCredentialManager() {}
+// static
+MediaDrmCredentialManager* MediaDrmCredentialManager::GetInstance() {
+  return Singleton<MediaDrmCredentialManager>::get();
+}
 
 void MediaDrmCredentialManager::ResetCredentials(
     const ResetCredentialsCB& callback) {
@@ -35,6 +57,25 @@ void MediaDrmCredentialManager::ResetCredentials(
   }
 }
 
+// static
+void ResetCredentials(
+    JNIEnv* env,
+    jclass clazz,
+    jobject j_media_drm_credential_manager_callback) {
+  MediaDrmCredentialManager* media_drm_credential_manager =
+      MediaDrmCredentialManager::GetInstance();
+
+  ScopedJavaGlobalRef<jobject> j_scoped_media_drm_credential_manager_callback;
+  j_scoped_media_drm_credential_manager_callback.Reset(
+      env, j_media_drm_credential_manager_callback);
+
+  MediaDrmCredentialManager::ResetCredentialsCB callback_runner =
+      base::Bind(&MediaDrmCredentialManagerCallback,
+                 j_scoped_media_drm_credential_manager_callback);
+
+  media_drm_credential_manager->ResetCredentials(callback_runner);
+}
+
 void MediaDrmCredentialManager::OnResetCredentialsCompleted(
     const std::string& security_level, bool success) {
   if (security_level == "L3" && success) {
@@ -60,4 +101,9 @@ bool MediaDrmCredentialManager::ResetCredentialsInternal(
   return true;
 }
 
+// static
+bool MediaDrmCredentialManager::RegisterMediaDrmCredentialManager(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
 }  // namespace content