X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/blobdiff_plain/7101a04247be24d9eb3c1aa49b88ec2496c7d2d6..185aae4bc345f453479f94e2a78da62e8c9930b0:/src/com/owncloud/android/ui/fragment/FileFragment.java

diff --git a/src/com/owncloud/android/ui/fragment/FileFragment.java b/src/com/owncloud/android/ui/fragment/FileFragment.java
index 5537d62e..3e6fa31c 100644
--- a/src/com/owncloud/android/ui/fragment/FileFragment.java
+++ b/src/com/owncloud/android/ui/fragment/FileFragment.java
@@ -2,9 +2,8 @@
  *   Copyright (C) 2012-2013  ownCloud Inc.
  *
  *   This program is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation, either version 3 of the License, or
- *   (at your option) any later version.
+ *   it under the terms of the GNU General Public License version 2,
+ *   as published by the Free Software Foundation.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -18,9 +17,16 @@
 
 package com.owncloud.android.ui.fragment;
 
+import android.accounts.Account;
+import android.app.Activity;
 import android.support.v4.app.Fragment;
 
+import com.actionbarsherlock.app.SherlockFragment;
 import com.owncloud.android.datamodel.OCFile;
+import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
+import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
+import com.owncloud.android.ui.activity.ComponentsGetter;
+
 
 /**
  * Common methods for {@link Fragment}s containing {@link OCFile}s
@@ -28,12 +34,113 @@ import com.owncloud.android.datamodel.OCFile;
  * @author David A. Velasco
  *
  */
-public interface FileFragment {
+public class FileFragment extends SherlockFragment {
+    
+    private OCFile mFile;
+    
+    protected ContainerActivity mContainerActivity;
+
+
+    /**
+     * Creates an empty fragment.
+     * 
+     * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically. 
+     */
+    public FileFragment() {
+        mFile = null;
+    }
     
     /**
+     * Creates an instance for a given {@OCFile}.
+     * 
+     * @param file
+     */
+    public FileFragment(OCFile file) {
+        mFile = file;
+    }
+
+    /**
      * Getter for the hold {@link OCFile}
      * 
      * @return The {@link OCFile} hold
      */
-    public OCFile getFile();
+    public OCFile getFile() {
+        return mFile;
+    }
+    
+    
+    protected void setFile(OCFile file) {
+        mFile = file;
+    }
+    
+    
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+        try {
+            mContainerActivity = (ContainerActivity) activity;
+            
+        } catch (ClassCastException e) {
+            throw new ClassCastException(activity.toString() + " must implement " + ContainerActivity.class.getSimpleName());
+        }
+    }
+    
+    
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onDetach() {
+        mContainerActivity = null;
+        super.onDetach();
+    }    
+    
+    
+    /**
+     * Interface to implement by any Activity that includes some instance of FileListFragment
+     * Interface to implement by any Activity that includes some instance of FileFragment
+     * 
+     * @author David A. Velasco
+     */
+    public interface ContainerActivity extends ComponentsGetter {
+
+        /**
+         * Request the parent activity to show the details of an {@link OCFile}.
+         * 
+         * @param file      File to show details
+         */
+        public void showDetails(OCFile file);
+
+        
+        ///// TO UNIFY IN A SINGLE CALLBACK METHOD - EVENT NOTIFICATIONs  -> something happened inside the fragment, MAYBE activity is interested --> unify in notification method
+        /**
+         * Callback method invoked when a the user browsed into a different folder through the list of files
+         *  
+         * @param file
+         */
+        public void onBrowsedDownTo(OCFile folder);                 
+
+        /**
+         * Callback method invoked when a the 'transfer state' of a file changes.
+         * 
+         * This happens when a download or upload is started or ended for a file.
+         * 
+         * This method is necessary by now to update the user interface of the double-pane layout in tablets
+         * because methods {@link FileDownloaderBinder#isDownloading(Account, OCFile)} and {@link FileUploaderBinder#isUploading(Account, OCFile)}
+         * won't provide the needed response before the method where this is called finishes. 
+         * 
+         * TODO Remove this when the transfer state of a file is kept in the database (other thing TODO)
+         * 
+         * @param file          OCFile which state changed.
+         * @param downloading   Flag signaling if the file is now downloading.
+         * @param uploading     Flag signaling if the file is now uploading.
+         */
+        public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading); 
+
+        
+    }
+
 }