Issue #28 folders don't show date and size info

[pub/Android/ownCloud.git] / src / com / owncloud / android / ui / preview / PreviewImagePagerAdapter.java

diff --git a/src/com/owncloud/android/ui/preview/PreviewImagePagerAdapter.java b/src/com/owncloud/android/ui/preview/PreviewImagePagerAdapter.java
index c6fd7ca..54ed582 100644 (file)
--- a/src/com/owncloud/android/ui/preview/PreviewImagePagerAdapter.java
+++ b/src/com/owncloud/android/ui/preview/PreviewImagePagerAdapter.java
@@ -18,7 +18,9 @@
 package com.owncloud.android.ui.preview;
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.HashSet;
+import java.util.Map;
 import java.util.Set;
 import java.util.Vector;
 
@@ -30,13 +32,14 @@ import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentStatePagerAdapter;
 import android.support.v4.app.FragmentTransaction;
 import android.support.v4.view.PagerAdapter;
+import android.support.v4.view.ViewPager;
 import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 
 import com.owncloud.android.datamodel.DataStorageManager;
 import com.owncloud.android.datamodel.OCFile;
-import com.owncloud.android.ui.fragment.FileDownloadFragment;
+import com.owncloud.android.ui.fragment.FileFragment;
 
 /**
  * Adapter class that provides Fragment instances  
@@ -51,8 +54,12 @@ public class PreviewImagePagerAdapter extends FragmentStatePagerAdapter {
     private Vector<OCFile> mImageFiles;
     private Account mAccount;
     private Set<Object> mObsoleteFragments;
+    private Set<Integer> mObsoletePositions;
+    private Set<Integer> mDownloadErrors;
     private DataStorageManager mStorageManager;
     
+    private Map<Integer, FileFragment> mCachedFragments;
+
     /*
     private final FragmentManager mFragmentManager;
     private FragmentTransaction mCurTransaction = null;
@@ -70,7 +77,7 @@ public class PreviewImagePagerAdapter extends FragmentStatePagerAdapter {
      */
     public PreviewImagePagerAdapter(FragmentManager fragmentManager, OCFile parentFolder, Account account, DataStorageManager storageManager) {
         super(fragmentManager);
-
+        
         if (fragmentManager == null) {
             throw new IllegalArgumentException("NULL FragmentManager instance");
         }
@@ -85,6 +92,10 @@ public class PreviewImagePagerAdapter extends FragmentStatePagerAdapter {
         mStorageManager = storageManager;
         mImageFiles = mStorageManager.getDirectoryImages(parentFolder); 
         mObsoleteFragments = new HashSet<Object>();
+        mObsoletePositions = new HashSet<Integer>();
+        mDownloadErrors = new HashSet<Integer>();
+        //mFragmentManager = fragmentManager;
+        mCachedFragments = new HashMap<Integer, FileFragment>();
     }
 
     
@@ -99,14 +110,20 @@ public class PreviewImagePagerAdapter extends FragmentStatePagerAdapter {
 
     
     public Fragment getItem(int i) {
-        Log.e(TAG, "GETTING PAGE " + i);
         OCFile file = mImageFiles.get(i);
         Fragment fragment = null;
         if (file.isDown()) {
-            fragment = new PreviewImageFragment(file, mAccount);
+            fragment = new PreviewImageFragment(file, mAccount, mObsoletePositions.contains(Integer.valueOf(i)));
+            
+        } else if (mDownloadErrors.contains(Integer.valueOf(i))) {
+            fragment = new FileDownloadFragment(file, mAccount, true);
+            ((FileDownloadFragment)fragment).setError(true);
+            mDownloadErrors.remove(Integer.valueOf(i));
+            
         } else {
-            fragment = new FileDownloadFragment(file, mAccount);
+            fragment = new FileDownloadFragment(file, mAccount, mObsoletePositions.contains(Integer.valueOf(i)));
         }
+        mObsoletePositions.remove(Integer.valueOf(i));
         return fragment;
     }
 
@@ -124,14 +141,36 @@ public class PreviewImagePagerAdapter extends FragmentStatePagerAdapter {
         return mImageFiles.get(position).getFileName();
     }
 
+    
     public void updateFile(int position, OCFile file) {
+        FileFragment fragmentToUpdate = mCachedFragments.get(Integer.valueOf(position));
+        if (fragmentToUpdate != null) {
+            mObsoleteFragments.add(fragmentToUpdate);
+        }
+        mObsoletePositions.add(Integer.valueOf(position));
         mImageFiles.set(position, file);
-        mObsoleteFragments.add(instantiateItem(null, position));
     }
     
+    
+    public void updateWithDownloadError(int position) {
+        FileFragment fragmentToUpdate = mCachedFragments.get(Integer.valueOf(position));
+        if (fragmentToUpdate != null) {
+            mObsoleteFragments.add(fragmentToUpdate);
+        }
+        mDownloadErrors.add(Integer.valueOf(position));
+    }
+    
+    public void clearErrorAt(int position) {
+        FileFragment fragmentToUpdate = mCachedFragments.get(Integer.valueOf(position));
+        if (fragmentToUpdate != null) {
+            mObsoleteFragments.add(fragmentToUpdate);
+        }
+        mDownloadErrors.remove(Integer.valueOf(position));
+    }
+    
+    
     @Override
     public int getItemPosition(Object object) {
-        Log.e(TAG, "getItemPosition ");
         if (mObsoleteFragments.contains(object)) {
             mObsoleteFragments.remove(object);
             return POSITION_NONE;
@@ -140,11 +179,31 @@ public class PreviewImagePagerAdapter extends FragmentStatePagerAdapter {
     }
 
 
-    /* *
+    @Override
+    public Object instantiateItem(ViewGroup container, int position) {
+        Object fragment = super.instantiateItem(container, position);
+        mCachedFragments.put(Integer.valueOf(position), (FileFragment)fragment);
+        return fragment;
+    }
+    
+    @Override
+    public void destroyItem(ViewGroup container, int position, Object object) {
+       mCachedFragments.remove(Integer.valueOf(position));
+       super.destroyItem(container, position, object);
+    }
+
+
+    public boolean pendingErrorAt(int position) {
+        return mDownloadErrors.contains(Integer.valueOf(position));
+    }
+
+
+    
+    /* -*
      * Called when a change in the shown pages is going to start being made.
      * 
      * @param   container   The containing View which is displaying this adapter's page views.
-     * -/
+     *- /
     @Override
     public void startUpdate(ViewGroup container) {
         Log.e(TAG, "** startUpdate");
@@ -183,7 +242,7 @@ public class PreviewImagePagerAdapter extends FragmentStatePagerAdapter {
         }
         fragment.setMenuVisibility(false);
         mFragments.set(position, fragment);
-        Log.e(TAG, "** \t adding fragment at position " + position + ", containerId " + container.getId());
+        //Log.e(TAG, "** \t adding fragment at position " + position + ", containerId " + container.getId());
         mCurTransaction.add(container.getId(), fragment);
 
         return fragment;
@@ -289,6 +348,6 @@ public class PreviewImagePagerAdapter extends FragmentStatePagerAdapter {
                 }
             }
         }
-    } */
-    
+    }
+    */
 }