gray icon & texy for inaccessible folders

third-party/android-filechooser/code/src/group/pals/android/lib/ui/filechooser/IFileAdapter.java

@@ -24,7 +24,7 @@ import java.util.Collection;
 import java.util.List;
 
 import android.content.Context;
-import android.graphics.Paint;
+import android.graphics.*;
 import android.preference.PreferenceActivity;
 import android.preference.PreferenceFragment;
 import android.view.LayoutInflater;
@@ -235,7 +235,6 @@ public class IFileAdapter extends BaseAdapter {
      * 
      */
     private static final class Bag {
-
         ImageView mImageIcon;
         TextView mTxtFileName;
         TextView mTxtFileInfo;
@@ -290,6 +289,17 @@ public class IFileAdapter extends BaseAdapter {
 
         // file icon
         bag.mImageIcon.setImageResource(FileUtils.getResIcon(file, mFilterMode));
+        final ColorMatrix matrix = new ColorMatrix();
+        if (!FileUtils.isAccessible(file, mFilterMode)) {
+            final ColorMatrix scaleMatrix = new ColorMatrix();
+            scaleMatrix.setScale(.7f, .7f, .7f, 1f);
+            final ColorMatrix saturationMatrix = new ColorMatrix();
+            saturationMatrix.setSaturation(0f);
+            matrix.setConcat(saturationMatrix, scaleMatrix);
+			bag.mTxtFileName.setEnabled(false);
+			bag.mTxtFileInfo.setEnabled(false);
+        }
+        bag.mImageIcon.setColorFilter(new ColorMatrixColorFilter(matrix));
 
         // filename
         bag.mTxtFileName.setText(file.getSecondName());

third-party/android-filechooser/code/src/group/pals/android/lib/ui/filechooser/utils/FileUtils.java

@@ -61,7 +61,7 @@ public class FileUtils {
      */
     public static int getResIcon(IFile file, final IFileProvider.FilterMode filterMode) {
         if (file == null || !file.exists())
-            return 0;//android.R.drawable.ic_delete;
+            return R.drawable.afc_file;
 
         if (file.isFile()) {
             String filename = file.getName();
@@ -76,7 +76,7 @@ public class FileUtils {
                     if (file instanceof ParentFile) {
                         return R.drawable.afc_folder;
                     } else if (accessDenied(file)) {
-                        return R.drawable.afc_folder_no_access;
+                        return R.drawable.afc_folder;
                     } else {
                         return R.drawable.afc_folder_locked;
                     }
@@ -84,17 +84,35 @@ public class FileUtils {
                     return R.drawable.afc_folder;
                 }
             } else {
-                if (accessDenied(file)) {
-                    return R.drawable.afc_folder_no_access;
-                } else {
-                    return R.drawable.afc_folder;
-                }
+                return R.drawable.afc_folder;
             }
         }
 
-        return 0;//android.R.drawable.ic_delete;
+        return R.drawable.afc_file;
     }// getResIcon()
 
+    public static boolean isAccessible(IFile file, final IFileProvider.FilterMode filterMode) {
+        if (file == null || !file.exists()) {
+            return false;
+		}
+
+        if (file.isFile()) {
+			return true;
+        } else if (file.isDirectory()) {
+            if (filterMode != IFileProvider.FilterMode.AnyDirectories) {
+                if (file instanceof File && !((File)file).canWrite()) {
+                    return (file instanceof ParentFile || !accessDenied(file));
+                } else {
+					return true;
+                }
+            } else {
+                return !accessDenied(file);
+            }
+        }
+
+        return false;
+    }// isAccessible()
+
     /**
      * Checks whether the filename given is valid or not.<br>
      * See <a href="http://en.wikipedia.org/wiki/Filename">wiki</a> for more