import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Point;
+import android.graphics.drawable.Drawable;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ProgressBar;
import android.widget.TextView;
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
import com.owncloud.android.R;
import com.owncloud.android.datamodel.OCFile;
import com.owncloud.android.files.FileMenuFilter;
/**
* This fragment shows a preview of a downloaded image.
+ *
+ * Trying to get an instance with a NULL {@link OCFile} will produce an
+ * {@link IllegalStateException}.
*
- * Trying to get an instance with a NULL {@link OCFile} will produce an {@link IllegalStateException}.
- *
- * If the {@link OCFile} passed is not downloaded, an {@link IllegalStateException} is generated on instantiation too.
+ * If the {@link OCFile} passed is not downloaded, an {@link IllegalStateException} is generated on
+ * instantiation too.
*/
public class PreviewImageFragment extends FileFragment {
private ProgressBar mProgressWheel;
public Bitmap mBitmap = null;
-
+
private static final String TAG = PreviewImageFragment.class.getSimpleName();
private boolean mIgnoreFirstSavedState;
-
+
private LoadBitmapTask mLoadBitmapTask = null;
/**
* Public factory method to create a new fragment that previews an image.
*
- * Android strongly recommends keep the empty constructor of fragments as the only public constructor, and
+ * Android strongly recommends keep the empty constructor of fragments as the only public
+ * constructor, and
* use {@link #setArguments(Bundle)} to set the needed arguments.
*
* This method hides to client objects the need of doing the construction in two steps.
*
* @param imageFile An {@link OCFile} to preview as an image in the fragment
- * @param ignoreFirstSavedState Flag to work around an unexpected behaviour of {@link FragmentStatePagerAdapter}
+ * @param ignoreFirstSavedState Flag to work around an unexpected behaviour of
+ * {@link FragmentStatePagerAdapter}
* ; TODO better solution
*/
- public static PreviewImageFragment newInstance(OCFile imageFile, boolean ignoreFirstSavedState) {
+ public static PreviewImageFragment newInstance(OCFile imageFile, boolean ignoreFirstSavedState){
PreviewImageFragment frag = new PreviewImageFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_FILE, imageFile);
return frag;
}
-
+
/**
* Creates an empty fragment for image previews.
* MUST BE KEPT: the system uses it when tries to reinstantiate a fragment automatically
* (for instance, when the device is turned a aside).
*
- * DO NOT CALL IT: an {@link OCFile} and {@link Account} must be provided for a successful construction
+ * DO NOT CALL IT: an {@link OCFile} and {@link Account} must be provided for a successful
+ * construction
*/
public PreviewImageFragment() {
mIgnoreFirstSavedState = false;
}
-
-
+
+
/**
* {@inheritDoc}
*/
super.onCreate(savedInstanceState);
Bundle args = getArguments();
setFile((OCFile)args.getParcelable(ARG_FILE));
- // TODO better in super, but needs to check ALL the class extending FileFragment; not right now
+ // TODO better in super, but needs to check ALL the class extending FileFragment;
+ // not right now
mIgnoreFirstSavedState = args.getBoolean(ARG_IGNORE_FIRST);
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);
throw new IllegalStateException("There is no local file to preview");
}
}
-
+
/**
* {@inheritDoc}
super.onSaveInstanceState(outState);
outState.putParcelable(PreviewImageFragment.EXTRA_FILE, getFile());
}
-
+
@Override
public void onStart() {
if (getFile() != null) {
mLoadBitmapTask = new LoadBitmapTask(mImageView, mMessageView, mProgressWheel);
//mLoadBitmapTask.execute(new String[]{getFile().getStoragePath()});
- mLoadBitmapTask.execute(getFile().getStoragePath());
+// mLoadBitmapTask.execute(getFile().getStoragePath());
+ mLoadBitmapTask.execute(getFile());
}
}
-
-
+
+
@Override
public void onStop() {
Log_OC.d(TAG, "onStop starts");
}
super.onStop();
}
-
+
/**
* {@inheritDoc}
*/
@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(),
mContainerActivity,
- getSherlockActivity()
+ getActivity()
);
mf.filter(menu);
}
-
+
// additional restriction for this fragment
// TODO allow renaming in PreviewImageFragment
MenuItem item = menu.findItem(R.id.action_rename_file);
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);
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}
*/
mContainerActivity.getFileOperationsHelper().syncFile(getFile());
return true;
}
-
+ case R.id.action_favorite_file:{
+ mContainerActivity.getFileOperationsHelper().toggleFavorite(getFile(), true);
+ return true;
+ }
+ case R.id.action_unfavorite_file:{
+ mContainerActivity.getFileOperationsHelper().toggleFavorite(getFile(), false);
+ return true;
+ }
default:
return false;
}
}
-
+
private void seeDetails() {
- mContainerActivity.showDetails(getFile());
+ mContainerActivity.showDetails(getFile());
}
mBitmap.recycle();
System.gc();
// putting this in onStop() is just the same; the fragment is always destroyed by
- // {@link FragmentStatePagerAdapter} when the fragment in swiped further than the valid offscreen
- // distance, and onStop() is never called before than that
+ // {@link FragmentStatePagerAdapter} when the fragment in swiped further than the
+ // valid offscreen distance, and onStop() is never called before than that
}
super.onDestroy();
}
-
+
/**
* Opens the previewed image with an external application.
*/
mContainerActivity.getFileOperationsHelper().openFile(getFile());
finish();
}
+
-
- private class LoadBitmapTask extends AsyncTask<String, Void, Bitmap> {
+ private class LoadBitmapTask extends AsyncTask<OCFile, Void, LoadImage> {
/**
* Weak reference to the target {@link ImageView} where the bitmap will be loaded into.
- *
- * Using a weak reference will avoid memory leaks if the target ImageView is retired from memory before
- * the load finishes.
+ *
+ * Using a weak reference will avoid memory leaks if the target ImageView is retired from
+ * memory before the load finishes.
*/
private final WeakReference<ImageViewCustom> mImageViewRef;
/**
* Weak reference to the target {@link TextView} where error messages will be written.
- *
- * Using a weak reference will avoid memory leaks if the target ImageView is retired from memory before the
- * load finishes.
+ *
+ * Using a weak reference will avoid memory leaks if the target ImageView is retired from
+ * memory before the load finishes.
*/
private final WeakReference<TextView> mMessageViewRef;
-
+
/**
* Weak reference to the target {@link ProgressBar} shown while the load is in progress.
*
- * Using a weak reference will avoid memory leaks if the target ImageView is retired from memory before the load finishes.
+ * Using a weak reference will avoid memory leaks if the target ImageView is retired from
+ * memory before the load finishes.
*/
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) {
+ public LoadBitmapTask(ImageViewCustom imageView, TextView messageView,
+ ProgressBar progressWheel) {
mImageViewRef = new WeakReference<ImageViewCustom>(imageView);
mMessageViewRef = new WeakReference<TextView>(messageView);
mProgressWheelRef = new WeakReference<ProgressBar>(progressWheel);
}
-
-
+
@Override
- protected Bitmap doInBackground(String... params) {
+ protected LoadImage doInBackground(OCFile... params) {
Bitmap result = null;
if (params.length != 1) return null;
- String storagePath = params[0];
+ OCFile ocFile = params[0];
+ String storagePath = ocFile.getStoragePath();
try {
int maxDownScale = 3; // could be a parameter passed to doInBackground(...)
for (int i = 0; i < maxDownScale && result == null; i++) {
if (isCancelled()) return null;
try {
- result = BitmapUtils.decodeSampledBitmapFromFile(storagePath, minWidth, minHeight);
+ result = BitmapUtils.decodeSampledBitmapFromFile(storagePath, minWidth,
+ minHeight);
- if (isCancelled()) return result;
+ if (isCancelled()) return new LoadImage(result, ocFile);
if (result == null) {
mErrorMessageId = R.string.preview_image_error_unknown_format;
} catch (OutOfMemoryError e) {
mErrorMessageId = R.string.common_error_out_memory;
if (i < maxDownScale - 1) {
- Log_OC.w(TAG, "Out of memory rendering file " + storagePath + " ; scaling down");
+ Log_OC.w(TAG, "Out of memory rendering file " + storagePath +
+ " ; scaling down");
minWidth = minWidth / 2;
minHeight = minHeight / 2;
} else {
- Log_OC.w(TAG, "Out of memory rendering file " + storagePath + " ; failing");
+ Log_OC.w(TAG, "Out of memory rendering file " + storagePath +
+ " ; failing");
}
if (result != null) {
result.recycle();
} 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 result;
+
+ return new LoadImage(result, ocFile);
}
-
+
@Override
- protected void onCancelled(Bitmap result) {
- if (result != null) {
- result.recycle();
+ protected void onCancelled(LoadImage result) {
+ if (result != null && result.bitmap != null) {
+ result.bitmap.recycle();
}
}
@Override
- protected void onPostExecute(Bitmap result) {
+ protected void onPostExecute(LoadImage result) {
hideProgressWheel();
- if (result != null) {
+ if (result.bitmap != null) {
showLoadedImage(result);
- } else {
+ }
+ else {
showErrorMessage();
}
- if (result != null && mBitmap != result) {
+ if (result.bitmap != null && mBitmap != result.bitmap) {
// unused bitmap, release it! (just in case)
- result.recycle();
+ result.bitmap.recycle();
}
}
-
+
@SuppressLint("InlinedApi")
- private void showLoadedImage(Bitmap result) {
+ private void showLoadedImage(LoadImage result) {
final ImageViewCustom imageView = mImageViewRef.get();
+ Bitmap bitmap = result.bitmap;
if (imageView != null) {
- Log_OC.d(TAG, "Showing image with resolution " + result.getWidth() + "x" + result.getHeight());
- imageView.setImageBitmap(result);
+ Log_OC.d(TAG, "Showing image with resolution " + bitmap.getWidth() + "x" +
+ bitmap.getHeight());
+
+ if (result.ocFile.getMimetype().equalsIgnoreCase("image/png")){
+ Drawable backrepeat = getResources().getDrawable(R.drawable.backrepeat);
+ imageView.setBackground(backrepeat);
+ }
+
+ imageView.setImageBitmap(bitmap);
imageView.setVisibility(View.VISIBLE);
- mBitmap = result; // needs to be kept for recycling when not useful
+ mBitmap = bitmap; // needs to be kept for recycling when not useful
}
final TextView messageView = mMessageViewRef.get();
messageView.setVisibility(View.GONE);
} // else , silently finish, the fragment was destroyed
}
-
+
private void showErrorMessage() {
final ImageView imageView = mImageViewRef.get();
if (imageView != null) {
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);
}
}
-
+
}
/**
- * Helper method to test if an {@link OCFile} can be passed to a {@link PreviewImageFragment} to be previewed.
+ * Helper method to test if an {@link OCFile} can be passed to a {@link PreviewImageFragment}
+ * to be previewed.
*
* @param file File to test if can be previewed.
* @return 'True' if the file can be handled by the fragment.
return (file != null && file.isImage());
}
-
+
/**
* Finishes the preview
*/
Activity container = getActivity();
container.finish();
}
-
+
public TouchImageViewCustom getImageView() {
return mImageView;
}
+ private class LoadImage {
+ private Bitmap bitmap;
+ private OCFile ocFile;
+
+ public LoadImage(Bitmap bitmap, OCFile ocFile){
+ this.bitmap = bitmap;
+ this.ocFile = ocFile;
+ }
+
+ }
+
}
projects / pub / Android / ownCloud.git / blobdiff