first step to detect if the file is favorite

src/com/owncloud/android/datamodel/OCFile.java

@@ -67,6 +67,8 @@ public class OCFile implements Parcelable, Comparable<OCFile> {
     private boolean mShareByLink;
     private String mPublicLink;
 
+    private boolean mFavorite;
+
     private String mPermissions;
     private String mRemoteId;
 
@@ -112,6 +114,7 @@ public class OCFile implements Parcelable, Comparable<OCFile> {
         mLastSyncDateForData = source.readLong();
         mEtag = source.readString();
         mShareByLink = source.readInt() == 1;
+        mFavorite = source.readInt() == 1;
         mPublicLink = source.readString();
         mPermissions = source.readString();
         mRemoteId = source.readString();
@@ -137,6 +140,7 @@ public class OCFile implements Parcelable, Comparable<OCFile> {
         dest.writeLong(mLastSyncDateForData);
         dest.writeString(mEtag);
         dest.writeInt(mShareByLink ? 1 : 0);
+        dest.writeInt(mFavorite ? 1 : 0);
         dest.writeString(mPublicLink);
         dest.writeString(mPermissions);
         dest.writeString(mRemoteId);
@@ -350,6 +354,7 @@ public class OCFile implements Parcelable, Comparable<OCFile> {
         mNeedsUpdating = false;
         mEtag = null;
         mShareByLink = false;
+        mFavorite = false;
         mPublicLink = null;
         mPermissions = null;
         mRemoteId = null;
@@ -505,6 +510,14 @@ public class OCFile implements Parcelable, Comparable<OCFile> {
         this.mShareByLink = shareByLink;
     }
 
+    public boolean isFavorite() {
+        return mFavorite;
+    }
+
+    public void setFavorite(boolean mFavorite) {
+        this.mFavorite = mFavorite;
+    }
+
     public String getPublicLink() {
         return mPublicLink;
     }

src/com/owncloud/android/files/FileMenuFilter.java

@@ -216,14 +216,14 @@ public class FileMenuFilter {
         }
 
         // FAVORITES
-        if (mFile == null || downloading || uploading || mFile.isFolder()) {
+        if (mFile == null || downloading || uploading || mFile.isFolder() || mFile.isFavorite()) {
             toHide.add(R.id.action_favorite_file);
         } else {
             toShow.add(R.id.action_favorite_file);
         }
 
         // UNFAVORITES
-        if (mFile == null || downloading || uploading || mFile.isFolder()) {
+        if (mFile == null || downloading || uploading || mFile.isFolder() || !mFile.isFavorite()) {
             toHide.add(R.id.action_unfavorite_file);
         } else {
             toShow.add(R.id.action_unfavorite_file);