* 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 2 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
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.FragmentStatePagerAdapter;
-import android.util.Log;
import android.view.Display;
import android.view.LayoutInflater;
import android.view.View;
+import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.webkit.MimeTypeMap;
import android.widget.ImageView;
+import android.widget.ProgressBar;
+import android.widget.TextView;
import android.widget.Toast;
-import com.actionbarsherlock.app.SherlockFragment;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
import com.owncloud.android.datamodel.FileDataStorageManager;
import com.owncloud.android.datamodel.OCFile;
-import com.owncloud.android.network.OwnCloudClientUtils;
import com.owncloud.android.operations.OnRemoteOperationListener;
import com.owncloud.android.operations.RemoteOperation;
import com.owncloud.android.operations.RemoteOperationResult;
import com.owncloud.android.ui.fragment.ConfirmationDialogFragment;
import com.owncloud.android.ui.fragment.FileFragment;
+import com.owncloud.android.Log_OC;
import com.owncloud.android.R;
-import eu.alefzero.webdav.WebdavClient;
import eu.alefzero.webdav.WebdavUtils;
*
* @author David A. Velasco
*/
-public class PreviewImageFragment extends SherlockFragment implements FileFragment,
- OnRemoteOperationListener,
- ConfirmationDialogFragment.ConfirmationDialogFragmentListener{
+public class PreviewImageFragment extends FileFragment implements OnRemoteOperationListener,
+ ConfirmationDialogFragment.ConfirmationDialogFragmentListener {
public static final String EXTRA_FILE = "FILE";
public static final String EXTRA_ACCOUNT = "ACCOUNT";
private View mView;
- private OCFile mFile;
private Account mAccount;
private FileDataStorageManager mStorageManager;
private ImageView mImageView;
+ private TextView mMessageView;
+ private ProgressBar mProgressWheel;
+
public Bitmap mBitmap = null;
private Handler mHandler;
private static final String TAG = PreviewImageFragment.class.getSimpleName();
private boolean mIgnoreFirstSavedState;
+
/**
* Creates a fragment to preview an image.
* @param ignoreFirstSavedState Flag to work around an unexpected behaviour of {@link FragmentStatePagerAdapter}; TODO better solution
*/
public PreviewImageFragment(OCFile fileToDetail, Account ocAccount, boolean ignoreFirstSavedState) {
- mFile = fileToDetail;
+ super(fileToDetail);
mAccount = ocAccount;
mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
mIgnoreFirstSavedState = ignoreFirstSavedState;
* DO NOT CALL IT: an {@link OCFile} and {@link Account} must be provided for a successful construction
*/
public PreviewImageFragment() {
- mFile = null;
+ super();
mAccount = null;
mStorageManager = null;
mIgnoreFirstSavedState = false;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
- Log.e(TAG, "PREVIEW_IMAGE_FRAGMENT ONCREATE " + ((mFile == null)? "(NULL)" : mFile.getFileName()));
mHandler = new Handler();
setHasOptionsMenu(true);
}
super.onCreateView(inflater, container, savedInstanceState);
mView = inflater.inflate(R.layout.preview_image_fragment, container, false);
mImageView = (ImageView)mView.findViewById(R.id.image);
+ mImageView.setVisibility(View.GONE);
+ mView.setOnTouchListener((OnTouchListener)getActivity()); // WATCH OUT THAT CAST
+ mMessageView = (TextView)mView.findViewById(R.id.message);
+ mMessageView.setVisibility(View.GONE);
+ mProgressWheel = (ProgressBar)mView.findViewById(R.id.progressWheel);
+ mProgressWheel.setVisibility(View.VISIBLE);
return mView;
}
mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
if (savedInstanceState != null) {
if (!mIgnoreFirstSavedState) {
- mFile = savedInstanceState.getParcelable(PreviewImageFragment.EXTRA_FILE);
+ setFile((OCFile)savedInstanceState.getParcelable(PreviewImageFragment.EXTRA_FILE));
mAccount = savedInstanceState.getParcelable(PreviewImageFragment.EXTRA_ACCOUNT);
} else {
mIgnoreFirstSavedState = false;
}
}
- if (mFile == null) {
+ if (getFile() == null) {
throw new IllegalStateException("Instanced with a NULL OCFile");
}
if (mAccount == null) {
throw new IllegalStateException("Instanced with a NULL ownCloud Account");
}
- if (!mFile.isDown()) {
+ if (!getFile().isDown()) {
throw new IllegalStateException("There is no local file to preview");
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
- outState.putParcelable(PreviewImageFragment.EXTRA_FILE, mFile);
+ outState.putParcelable(PreviewImageFragment.EXTRA_FILE, getFile());
outState.putParcelable(PreviewImageFragment.EXTRA_ACCOUNT, mAccount);
}
@Override
public void onStart() {
super.onStart();
- Log.e(TAG, "PREVIEW_IMAGE_FRAGMENT ONSTART " + mFile.getFileName());
- if (mFile != null) {
- BitmapLoader bl = new BitmapLoader(mImageView);
- bl.execute(new String[]{mFile.getStoragePath()});
+ if (getFile() != null) {
+ BitmapLoader bl = new BitmapLoader(mImageView, mMessageView, mProgressWheel);
+ bl.execute(new String[]{getFile().getStoragePath()});
}
}
private void seeDetails() {
- ((FileFragment.ContainerActivity)getActivity()).showFragmentWithDetails(mFile);
+ ((FileFragment.ContainerActivity)getActivity()).showDetails(getFile());
}
@Override
public void onResume() {
super.onResume();
- Log.e(TAG, "PREVIEW_IMAGE_FRAGMENT ONRESUME " + mFile.getFileName());
- /*
- mDownloadFinishReceiver = new DownloadFinishReceiver();
- IntentFilter filter = new IntentFilter(
- FileDownloader.DOWNLOAD_FINISH_MESSAGE);
- getActivity().registerReceiver(mDownloadFinishReceiver, filter);
-
- mUploadFinishReceiver = new UploadFinishReceiver();
- filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
- getActivity().registerReceiver(mUploadFinishReceiver, filter);
- */
-
}
@Override
public void onPause() {
- Log.e(TAG, "PREVIEW_IMAGE_FRAGMENT ONPAUSE " + mFile.getFileName());
super.onPause();
- /*
- if (mVideoPreview.getVisibility() == View.VISIBLE) {
- mSavedPlaybackPosition = mVideoPreview.getCurrentPosition();
- }*/
- /*
- getActivity().unregisterReceiver(mDownloadFinishReceiver);
- mDownloadFinishReceiver = null;
-
- getActivity().unregisterReceiver(mUploadFinishReceiver);
- mUploadFinishReceiver = null;
- */
}
@Override
- public void onStop() {
- super.onStop();
- Log.e(TAG, "PREVIEW_IMAGE_FRAGMENT ONSTOP " + mFile.getFileName());
- }
-
- @Override
public void onDestroy() {
super.onDestroy();
- Log.e(TAG, "PREVIEW_IMAGE_FRAGMENT ONDESTROY " + mFile.getFileName());
if (mBitmap != null) {
mBitmap.recycle();
}
* available apps for the MIME type known from the file extension, to let the user choose
*/
private void openFile() {
- String storagePath = mFile.getStoragePath();
+ OCFile file = getFile();
+ String storagePath = file.getStoragePath();
String encodedStoragePath = WebdavUtils.encodePath(storagePath);
try {
Intent i = new Intent(Intent.ACTION_VIEW);
- i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
+ i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
startActivity(i);
} catch (Throwable t) {
- Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
+ Log_OC.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + file.getMimetype());
boolean toastIt = true;
String mimeType = "";
try {
Intent i = new Intent(Intent.ACTION_VIEW);
mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
- if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
+ if (mimeType == null || !mimeType.equals(file.getMimetype())) {
if (mimeType != null) {
i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
} else {
}
} catch (IndexOutOfBoundsException e) {
- Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
+ Log_OC.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
} catch (ActivityNotFoundException e) {
- Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
+ Log_OC.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
} catch (Throwable th) {
- Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
+ Log_OC.e(TAG, "Unexpected problem when opening: " + storagePath, th);
} finally {
if (toastIt) {
- Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
+ Toast.makeText(getActivity(), "There is no application to handle file " + file.getFileName(), Toast.LENGTH_SHORT).show();
}
}
private void removeFile() {
ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
R.string.confirmation_remove_alert,
- new String[]{mFile.getFileName()},
+ new String[]{getFile().getFileName()},
R.string.confirmation_remove_remote_and_local,
R.string.confirmation_remove_local,
R.string.common_cancel);
*/
@Override
public void onConfirmation(String callerTag) {
- if (mStorageManager.getFileById(mFile.getFileId()) != null) { // check that the file is still there;
- mLastRemoteOperation = new RemoveFileOperation( mFile, // TODO we need to review the interface with RemoteOperations, and use OCFile IDs instead of OCFile objects as parameters
+ if (mStorageManager.getFileById(getFile().getFileId()) != null) { // check that the file is still there;
+ mLastRemoteOperation = new RemoveFileOperation( getFile(), // TODO we need to review the interface with RemoteOperations, and use OCFile IDs instead of OCFile objects as parameters
true,
mStorageManager);
- WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
- mLastRemoteOperation.execute(wc, this, mHandler);
+ mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
getActivity().showDialog(PreviewImageActivity.DIALOG_SHORT_WAIT);
}
@Override
public void onNeutral(String callerTag) {
// TODO this code should be made in a secondary thread,
- if (mFile.isDown()) { // checks it is still there
- File f = new File(mFile.getStoragePath());
+ OCFile file = getFile();
+ if (file.isDown()) { // checks it is still there
+ File f = new File(file.getStoragePath());
f.delete();
- mFile.setStoragePath(null);
- mStorageManager.saveFile(mFile);
+ file.setStoragePath(null);
+ mStorageManager.saveFile(file);
finish();
}
}
}
- /**
- * {@inheritDoc}
- */
- public OCFile getFile(){
- return mFile;
- }
-
- /*
- /**
- * Use this method to signal this Activity that it shall update its view.
- *
- * @param file : An {@link OCFile}
- *-/
- public void updateFileDetails(OCFile file, Account ocAccount) {
- mFile = file;
- if (ocAccount != null && (
- mStorageManager == null ||
- (mAccount != null && !mAccount.equals(ocAccount))
- )) {
- mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
- }
- mAccount = ocAccount;
- updateFileDetails(false);
- }
- */
-
-
private class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
/**
* Using a weak reference will avoid memory leaks if the target ImageView is retired from memory before the load finishes.
*/
private final WeakReference<ImageView> 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.
+ */
+ 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.
+ */
+ private final WeakReference<ProgressBar> mProgressWheelRef;
+
+
+ /**
+ * Error message to show when a load fails
+ */
+ private int mErrorMessageId;
/**
*
* @param imageView Target {@link ImageView} where the bitmap will be loaded into.
*/
- public BitmapLoader(ImageView imageView) {
+ public BitmapLoader(ImageView imageView, TextView messageView, ProgressBar progressWheel) {
mImageViewRef = new WeakReference<ImageView>(imageView);
+ mMessageViewRef = new WeakReference<TextView>(messageView);
+ mProgressWheelRef = new WeakReference<ProgressBar>(progressWheel);
}
int width = options.outWidth;
int height = options.outHeight;
int scale = 1;
- if (width >= 2048 || height >= 2048) {
- // try to scale down the image to save memory
- scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
- options.inSampleSize = scale;
- }
+
Display display = getActivity().getWindowManager().getDefaultDisplay();
Point size = new Point();
- int screenwidth;
+ int screenWidth;
+ int screenHeight;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
display.getSize(size);
- screenwidth = size.x;
+ screenWidth = size.x;
+ screenHeight = size.y;
} else {
- screenwidth = display.getWidth();
+ screenWidth = display.getWidth();
+ screenHeight = display.getHeight();
}
- Log.d(TAG, "image width: " + width + ", screen width: " + screenwidth);
-
- if (width > screenwidth) {
- // second try to scale down the image , this time depending upon the screen size; WTF...
- scale = (int) Math.ceil((float)width / screenwidth);
- options.inSampleSize = scale;
+ if (width > screenWidth) {
+ // second try to scale down the image , this time depending upon the screen size
+ scale = (int) Math.floor((float)width / screenWidth);
+ }
+ if (height > screenHeight) {
+ scale = Math.max(scale, (int) Math.floor((float)height / screenHeight));
}
+ options.inSampleSize = scale;
// really load the bitmap
options.inJustDecodeBounds = false; // the next decodeFile call will be real
result = BitmapFactory.decodeFile(storagePath, options);
- Log.e(TAG, "loaded width: " + options.outWidth + ", loaded height: " + options.outHeight);
+ //Log_OC.d(TAG, "Image loaded - width: " + options.outWidth + ", loaded height: " + options.outHeight);
- } catch (OutOfMemoryError e) {
- result = null;
- Log.e(TAG, "Out of memory occured for file with size " + storagePath);
+ if (result == null) {
+ mErrorMessageId = R.string.preview_image_error_unknown_format;
+ Log_OC.e(TAG, "File could not be loaded as a bitmap: " + storagePath);
+ }
+ } catch (OutOfMemoryError e) {
+ mErrorMessageId = R.string.preview_image_error_unknown_format;
+ Log_OC.e(TAG, "Out of memory occured for file " + storagePath, e);
+
} catch (NoSuchFieldError e) {
- result = null;
- Log.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
-
+ mErrorMessageId = R.string.common_error_unknown;
+ Log_OC.e(TAG, "Error from access to unexisting field despite protection; file " + storagePath, e);
+
} catch (Throwable t) {
- result = null;
- Log.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
+ mErrorMessageId = R.string.common_error_unknown;
+ Log_OC.e(TAG, "Unexpected error loading " + getFile().getStoragePath(), t);
+
}
return result;
}
@Override
protected void onPostExecute(Bitmap result) {
- if (result != null && mImageViewRef != null) {
+ hideProgressWheel();
+ if (result != null) {
+ showLoadedImage(result);
+ } else {
+ showErrorMessage();
+ }
+ }
+
+ private void showLoadedImage(Bitmap result) {
+ if (mImageViewRef != null) {
+ final ImageView imageView = mImageViewRef.get();
+ if (imageView != null) {
+ imageView.setImageBitmap(result);
+ imageView.setVisibility(View.VISIBLE);
+ mBitmap = result;
+ } // else , silently finish, the fragment was destroyed
+ }
+ if (mMessageViewRef != null) {
+ final TextView messageView = mMessageViewRef.get();
+ if (messageView != null) {
+ messageView.setVisibility(View.GONE);
+ } // else , silently finish, the fragment was destroyed
+ }
+ }
+
+ private void showErrorMessage() {
+ if (mImageViewRef != null) {
final ImageView imageView = mImageViewRef.get();
- imageView.setImageBitmap(result);
- mBitmap = result;
+ if (imageView != null) {
+ // shows the default error icon
+ imageView.setVisibility(View.VISIBLE);
+ } // else , silently finish, the fragment was destroyed
+ }
+ if (mMessageViewRef != null) {
+ final TextView messageView = mMessageViewRef.get();
+ if (messageView != null) {
+ messageView.setText(mErrorMessageId);
+ messageView.setVisibility(View.VISIBLE);
+ } // else , silently finish, the fragment was destroyed
+ }
+ }
+
+ private void hideProgressWheel() {
+ if (mProgressWheelRef != null) {
+ final ProgressBar progressWheel = mProgressWheelRef.get();
+ if (progressWheel != null) {
+ progressWheel.setVisibility(View.GONE);
+ }
}
}
return (file != null && file.isImage());
}
+
/**
* {@inheritDoc}
*/
container.finish();
}
-
+
}
projects / pub / Android / ownCloud.git / blobdiff