update
[pub/Android/ownCloud.git] / src / com / owncloud / android / ui / preview / PreviewImageFragment.java
index 6ce592a..f01528a 100644 (file)
@@ -41,8 +41,10 @@ import android.widget.ImageView;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
+import com.owncloud.android.MainApp;
 import com.owncloud.android.R;
 import com.owncloud.android.datamodel.OCFile;
+import com.owncloud.android.datamodel.ThumbnailsCacheManager;
 import com.owncloud.android.files.FileMenuFilter;
 import com.owncloud.android.lib.common.utils.Log_OC;
 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
@@ -69,17 +71,20 @@ public class PreviewImageFragment extends FileFragment {
 
     private static final String ARG_FILE = "FILE";
     private static final String ARG_IGNORE_FIRST = "IGNORE_FIRST";
+    private static final String ARG_SHOW_RESIZED_IMAGE = "SHOW_RESIZED_IMAGE";
 
     private TouchImageViewCustom mImageView;
     private TextView mMessageView;
     private ProgressBar mProgressWheel;
 
+    private Boolean mShowResizedImage = false;
+
     public Bitmap mBitmap = null;
-    
+
     private static final String TAG = PreviewImageFragment.class.getSimpleName();
 
     private boolean mIgnoreFirstSavedState;
-    
+
     private LoadBitmapTask mLoadBitmapTask = null;
 
 
@@ -97,16 +102,19 @@ public class PreviewImageFragment extends FileFragment {
      *                                  {@link FragmentStatePagerAdapter}
      *                                  ; TODO better solution
      */
-    public static PreviewImageFragment newInstance(OCFile imageFile, boolean ignoreFirstSavedState){
+    public static PreviewImageFragment newInstance(OCFile imageFile, boolean ignoreFirstSavedState,
+            boolean showResizedImage){
         PreviewImageFragment frag = new PreviewImageFragment();
+        frag.mShowResizedImage = showResizedImage;
         Bundle args = new Bundle();
         args.putParcelable(ARG_FILE, imageFile);
         args.putBoolean(ARG_IGNORE_FIRST, ignoreFirstSavedState);
+        args.putBoolean(ARG_SHOW_RESIZED_IMAGE, showResizedImage);
         frag.setArguments(args);
         return frag;
     }
 
-    
+
     
     /**
      *  Creates an empty fragment for image previews.
@@ -120,8 +128,8 @@ public class PreviewImageFragment extends FileFragment {
     public PreviewImageFragment() {
         mIgnoreFirstSavedState = false;
     }
-    
-    
+
+
     /**
      * {@inheritDoc}
      */
@@ -134,16 +142,17 @@ public class PreviewImageFragment extends FileFragment {
             // not right now
 
         mIgnoreFirstSavedState = args.getBoolean(ARG_IGNORE_FIRST);
+        mShowResizedImage = args.getBoolean(ARG_SHOW_RESIZED_IMAGE);
         setHasOptionsMenu(true);
     }
-    
+
 
     /**
      * {@inheritDoc}
      */
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
-            Bundle savedInstanceState) {
+                             Bundle savedInstanceState) {
         super.onCreateView(inflater, container, savedInstanceState);
         View view = inflater.inflate(R.layout.preview_image_fragment, container, false);
         mImageView = (TouchImageViewCustom) view.findViewById(R.id.image);
@@ -179,11 +188,8 @@ public class PreviewImageFragment extends FileFragment {
         if (getFile() == null) {
             throw new IllegalStateException("Instanced with a NULL OCFile");
         }
-        if (!getFile().isDown()) {
-            throw new IllegalStateException("There is no local file to preview");
-        }
     }
-        
+
 
     /**
      * {@inheritDoc}
@@ -193,20 +199,54 @@ public class PreviewImageFragment extends FileFragment {
         super.onSaveInstanceState(outState);
         outState.putParcelable(PreviewImageFragment.EXTRA_FILE, getFile());
     }
-    
+
 
     @Override
     public void onStart() {
         super.onStart();
         if (getFile() != null) {
-            mLoadBitmapTask = new LoadBitmapTask(mImageView, mMessageView, mProgressWheel);
-            //mLoadBitmapTask.execute(new String[]{getFile().getStoragePath()});
-//            mLoadBitmapTask.execute(getFile().getStoragePath());
-            mLoadBitmapTask.execute(getFile());
+            mImageView.setTag(getFile().getFileId());
+
+            if (mShowResizedImage){
+                Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
+                        String.valueOf("r" + getFile().getRemoteId())
+                );
+
+                if (thumbnail != null && !getFile().needsUpdateThumbnail()){
+                    mProgressWheel.setVisibility(View.GONE);
+                    mImageView.setImageBitmap(thumbnail);
+                    mImageView.setVisibility(View.VISIBLE);
+                    mBitmap  = thumbnail;
+                } else {
+                    // generate new Thumbnail
+                    if (ThumbnailsCacheManager.cancelPotentialWork(getFile(), mImageView) &&
+                        mContainerActivity.getStorageManager() != null) {
+                        final ThumbnailsCacheManager.ThumbnailGenerationTask task =
+                                new ThumbnailsCacheManager.ThumbnailGenerationTask(
+                                        mImageView, mContainerActivity.getStorageManager(),
+                                        mContainerActivity.getStorageManager().getAccount(),
+                                        mProgressWheel);
+                        if (thumbnail == null) {
+                            thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                        }
+                        final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
+                                new ThumbnailsCacheManager.AsyncDrawable(
+                                        MainApp.getAppContext().getResources(),
+                                        thumbnail,
+                                        task
+                                );
+                        mImageView.setImageDrawable(asyncDrawable);
+                        task.execute(getFile(), false);
+                    }
+            }
+            } else {
+                mLoadBitmapTask = new LoadBitmapTask(mImageView, mMessageView, mProgressWheel);
+                mLoadBitmapTask.execute(getFile());
+            }
         }
     }
-    
-    
+
+
     @Override
     public void onStop() {
         Log_OC.d(TAG, "onStop starts");
@@ -216,7 +256,7 @@ public class PreviewImageFragment extends FileFragment {
         }
         super.onStop();
     }
-    
+
     /**
      * {@inheritDoc}
      */
@@ -224,6 +264,9 @@ public class PreviewImageFragment extends FileFragment {
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         super.onCreateOptionsMenu(menu, inflater);
         inflater.inflate(R.menu.file_actions_menu, menu);
+
+//        MenuItem item = menu.findItem(R.id.action_set_as_wallpaper);
+//        item.setVisible(getFile().isDown());
     }
 
     /**
@@ -232,11 +275,11 @@ public class PreviewImageFragment extends FileFragment {
     @Override
     public void onPrepareOptionsMenu(Menu menu) {
         super.onPrepareOptionsMenu(menu);
-        
+
         if (mContainerActivity.getStorageManager() != null) {
             // Update the file
             setFile(mContainerActivity.getStorageManager().getFileById(getFile().getFileId()));
-            
+
             FileMenuFilter mf = new FileMenuFilter(
                 getFile(),
                 mContainerActivity.getStorageManager().getAccount(),
@@ -245,7 +288,7 @@ public class PreviewImageFragment extends FileFragment {
             );
             mf.filter(menu);
         }
-        
+
         // additional restriction for this fragment 
         // TODO allow renaming in PreviewImageFragment
         MenuItem item = menu.findItem(R.id.action_rename_file);
@@ -253,7 +296,7 @@ public class PreviewImageFragment extends FileFragment {
             item.setVisible(false);
             item.setEnabled(false);
         }
-        
+
         // additional restriction for this fragment 
         // TODO allow refresh file in PreviewImageFragment
         item = menu.findItem(R.id.action_sync_file);
@@ -268,11 +311,17 @@ public class PreviewImageFragment extends FileFragment {
             item.setVisible(false);
             item.setEnabled(false);
         }
-        
+
+        // additional restriction for this fragment
+        item = menu.findItem(R.id.action_copy);
+        if (item != null) {
+            item.setVisible(false);
+            item.setEnabled(false);
+        }
+
     }
 
-    
-    
+
     /**
      * {@inheritDoc}
      */
@@ -301,8 +350,13 @@ public class PreviewImageFragment extends FileFragment {
                 return true;
             }
             case R.id.action_send_file: {
-                mContainerActivity.getFileOperationsHelper().sendDownloadedFile(getFile());
-                return true;
+                if (getFile().isImage() && !getFile().isDown()){
+                    mContainerActivity.getFileOperationsHelper().sendCachedImage(getFile());
+                    return true;
+                } else {
+                    mContainerActivity.getFileOperationsHelper().sendDownloadedFile(getFile());
+                    return true;
+                }
             }
             case R.id.action_sync_file: {
                 mContainerActivity.getFileOperationsHelper().syncFile(getFile());
@@ -316,14 +370,18 @@ public class PreviewImageFragment extends FileFragment {
                 mContainerActivity.getFileOperationsHelper().toggleFavorite(getFile(), false);
                 return true;
             }
+            case R.id.action_set_as_wallpaper:{
+                mContainerActivity.getFileOperationsHelper().setPictureAs(getFile());
+                return true;
+            }
             default:
                 return false;
         }
     }
-    
+
 
     private void seeDetails() {
-        mContainerActivity.showDetails(getFile());        
+        mContainerActivity.showDetails(getFile());
     }
 
 
@@ -350,7 +408,7 @@ public class PreviewImageFragment extends FileFragment {
         super.onDestroy();
     }
 
-    
+
     /**
      * Opens the previewed image with an external application.
      */
@@ -358,7 +416,7 @@ public class PreviewImageFragment extends FileFragment {
         mContainerActivity.getFileOperationsHelper().openFile(getFile());
         finish();
     }
-    
+
     
     private class LoadBitmapTask extends AsyncTask<OCFile, Void, LoadImage> {
 
@@ -378,7 +436,7 @@ public class PreviewImageFragment extends FileFragment {
          */
         private final WeakReference<TextView> mMessageViewRef;
 
-        
+
         /**
          * Weak reference to the target {@link ProgressBar} shown while the load is in progress.
          * 
@@ -387,17 +445,17 @@ public class PreviewImageFragment extends FileFragment {
          */
         private final WeakReference<ProgressBar> mProgressWheelRef;
 
-        
+
         /**
-         * Error message to show when a load fails 
+         * Error message to show when a load fails
          */
         private int mErrorMessageId;
-        
-        
+
+
         /**
          * Constructor.
-         * 
-         * @param imageView     Target {@link ImageView} where the bitmap will be loaded into.
+         *
+         * @param imageView Target {@link ImageView} where the bitmap will be loaded into.
          */
         public LoadBitmapTask(ImageViewCustom imageView, TextView messageView,
                               ProgressBar progressWheel) {
@@ -405,7 +463,7 @@ public class PreviewImageFragment extends FileFragment {
             mMessageViewRef = new WeakReference<TextView>(messageView);
             mProgressWheelRef = new WeakReference<ProgressBar>(progressWheel);
         }
-        
+
         @Override
         protected LoadImage doInBackground(OCFile... params) {
             Bitmap result = null;
@@ -456,20 +514,21 @@ public class PreviewImageFragment extends FileFragment {
 
             } catch (NoSuchFieldError e) {
                 mErrorMessageId = R.string.common_error_unknown;
-                Log_OC.e(TAG, "Error from access to unexisting field despite protection; file " 
-                                + storagePath, e);
-                    
+                Log_OC.e(TAG, "Error from access to unexisting field despite protection; file "
+                        + storagePath, e);
+
             } catch (Throwable t) {
                 mErrorMessageId = R.string.common_error_unknown;
                 Log_OC.e(TAG, "Unexpected error loading " + getFile().getStoragePath(), t);
-                
+
             }
+
             return new LoadImage(result, ocFile);
         }
-        
+
         @Override
         protected void onCancelled(LoadImage result) {
-            if (result.bitmap != null) {
+            if (result != null && result.bitmap != null) {
                 result.bitmap.recycle();
             }
         }
@@ -479,7 +538,8 @@ public class PreviewImageFragment extends FileFragment {
             hideProgressWheel();
             if (result.bitmap != null) {
                 showLoadedImage(result);
-            } else {
+            }
+            else {
                 showErrorMessage();
             }
             if (result.bitmap != null && mBitmap != result.bitmap)  {
@@ -487,7 +547,7 @@ public class PreviewImageFragment extends FileFragment {
                 result.bitmap.recycle();
             }
         }
-        
+
         @SuppressLint("InlinedApi")
         private void showLoadedImage(LoadImage result) {
             final ImageViewCustom imageView = mImageViewRef.get();
@@ -501,7 +561,12 @@ public class PreviewImageFragment extends FileFragment {
                     imageView.setBackground(backrepeat);
                 }
 
-                imageView.setImageBitmap(bitmap);
+                if (result.ocFile.getMimetype().equalsIgnoreCase("image/gif")){
+                    imageView.setGifImage(result.ocFile);
+                } else {
+                    imageView.setImageBitmap(bitmap);
+                }
+
                 imageView.setVisibility(View.VISIBLE);
                 mBitmap  = bitmap;  // needs to be kept for recycling when not useful
             }
@@ -511,7 +576,7 @@ public class PreviewImageFragment extends FileFragment {
                 messageView.setVisibility(View.GONE);
             } // else , silently finish, the fragment was destroyed
         }
-        
+
         private void showErrorMessage() {
             final ImageView imageView = mImageViewRef.get();
             if (imageView != null) {
@@ -525,14 +590,14 @@ public class PreviewImageFragment extends FileFragment {
                 messageView.setVisibility(View.VISIBLE);
             } // else , silently finish, the fragment was destroyed
         }
-        
+
         private void hideProgressWheel() {
             final ProgressBar progressWheel = mProgressWheelRef.get();
             if (progressWheel != null) {
                 progressWheel.setVisibility(View.GONE);
             }
         }
-        
+
     }
 
     /**
@@ -546,7 +611,7 @@ public class PreviewImageFragment extends FileFragment {
         return (file != null && file.isImage());
     }
 
-    
+
     /**
      * Finishes the preview
      */
@@ -554,7 +619,7 @@ public class PreviewImageFragment extends FileFragment {
         Activity container = getActivity();
         container.finish();
     }
-    
+
     public TouchImageViewCustom getImageView() {
         return mImageView;
     }