DRM Framework bug fixes.

- Make sure to clean-up obsolete listeners.
- Close cursor after using it.
- Add virtual destructor to the base class of OnInfoListener.

Changes are made by SEMC and Sony.

Change-Id: Ibb6dd625ef48e3597188f0d7c90f9d4c780b6139

2 files changed, 3 insertions, 1 deletions

diff --git a/drm/libdrmframework/DrmManagerClient.cpp b/drm/libdrmframework/DrmManagerClient.cpp
index fa3d52a..8bb00c3 100644
--- a/drm/libdrmframework/DrmManagerClient.cpp
+++ b/drm/libdrmframework/DrmManagerClient.cpp
@@ -31,6 +31,7 @@ DrmManagerClient::DrmManagerClient():
 DrmManagerClient::~DrmManagerClient() {
     DrmManagerClientImpl::remove(mUniqueId);
     mDrmManagerClientImpl->removeClient(mUniqueId);
+    mDrmManagerClientImpl->setOnInfoListener(mUniqueId, NULL);
     delete mDrmManagerClientImpl; mDrmManagerClientImpl = NULL;
 }
 
diff --git a/drm/libdrmframework/DrmManagerClientImpl.cpp b/drm/libdrmframework/DrmManagerClientImpl.cpp
index 32fa491..eea312b 100644
--- a/drm/libdrmframework/DrmManagerClientImpl.cpp
+++ b/drm/libdrmframework/DrmManagerClientImpl.cpp
@@ -81,7 +81,8 @@ status_t DrmManagerClientImpl::setOnInfoListener(
             int uniqueId, const sp<DrmManagerClient::OnInfoListener>& infoListener) {
     Mutex::Autolock _l(mLock);
     mOnInfoListener = infoListener;
-    return getDrmManagerService()->setDrmServiceListener(uniqueId, this);
+    return getDrmManagerService()->setDrmServiceListener(uniqueId,
+            (NULL != infoListener.get()) ? this : NULL);
 }
 
 status_t DrmManagerClientImpl::installDrmEngine(int uniqueId, const String8& drmEngineFile) {