Merge "Let getOriginalMimeType() take a fd passed from drm java applications" into jb-mr1-dev

Author: James Dong

drm/java/android/drm/DrmManagerClient.java

@@ -29,6 +29,9 @@
 import android.provider.MediaStore;
 import android.util.Log;
 
+import java.io.File;
+import java.io.FileDescriptor;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
@@ -582,7 +585,28 @@ public String getOriginalMimeType(String path) {
         if (null == path || path.equals("")) {
             throw new IllegalArgumentException("Given path should be non null");
         }
-        return _getOriginalMimeType(mUniqueId, path);
+
+        String mime = null;
+
+        FileInputStream is = null;
+        try {
+            FileDescriptor fd = null;
+            File file = new File(path);
+            if (file.exists()) {
+                is = new FileInputStream(file);
+                fd = is.getFD();
+            }
+            mime = _getOriginalMimeType(mUniqueId, path, fd);
+        } catch (IOException ioe) {
+        } finally {
+            if (is != null) {
+                try {
+                    is.close();
+                } catch(IOException e) {}
+            }
+        }
+
+        return mime;
     }
 
     /**
@@ -848,7 +872,7 @@ private native int _saveRights(
 
     private native int _getDrmObjectType(int uniqueId, String path, String mimeType);
 
-    private native String _getOriginalMimeType(int uniqueId, String path);
+    private native String _getOriginalMimeType(int uniqueId, String path, FileDescriptor fd);
 
     private native int _checkRightsStatus(int uniqueId, String path, int action);
 

drm/jni/android_drm_DrmManagerClient.cpp

@@ -587,22 +587,28 @@ static jint android_drm_DrmManagerClient_getDrmObjectType(
 }
 
 static jstring android_drm_DrmManagerClient_getOriginalMimeType(
-            JNIEnv* env, jobject thiz, jint uniqueId, jstring path) {
+            JNIEnv* env, jobject thiz, jint uniqueId, jstring path, jobject fileDescriptor) {
     ALOGV("getOriginalMimeType Enter");
+
+    int fd = (fileDescriptor == NULL)
+                ? -1
+                : jniGetFDFromFileDescriptor(env, fileDescriptor);
+
     String8 mimeType
         = getDrmManagerClientImpl(env, thiz)
-            ->getOriginalMimeType(uniqueId, Utility::getStringValue(env, path));
+            ->getOriginalMimeType(uniqueId,
+                                  Utility::getStringValue(env, path), fd);
     ALOGV("getOriginalMimeType Exit");
     return env->NewStringUTF(mimeType.string());
 }
 
 static jint android_drm_DrmManagerClient_checkRightsStatus(
             JNIEnv* env, jobject thiz, jint uniqueId, jstring path, int action) {
-    ALOGV("getOriginalMimeType Enter");
+    ALOGV("checkRightsStatus Enter");
     int rightsStatus
         = getDrmManagerClientImpl(env, thiz)
             ->checkRightsStatus(uniqueId, Utility::getStringValue(env, path), action);
-    ALOGV("getOriginalMimeType Exit");
+    ALOGV("checkRightsStatus Exit");
     return rightsStatus;
 }
 
@@ -730,7 +736,7 @@ static JNINativeMethod nativeMethods[] = {
     {"_getDrmObjectType", "(ILjava/lang/String;Ljava/lang/String;)I",
                                     (void*)android_drm_DrmManagerClient_getDrmObjectType},
 
-    {"_getOriginalMimeType", "(ILjava/lang/String;)Ljava/lang/String;",
+    {"_getOriginalMimeType", "(ILjava/lang/String;Ljava/io/FileDescriptor;)Ljava/lang/String;",
                                     (void*)android_drm_DrmManagerClient_getOriginalMimeType},
 
     {"_checkRightsStatus", "(ILjava/lang/String;I)I",