*/
package com.owncloud.android.ui.preview;
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FilterInputStream;
+import java.io.IOException;
+import java.io.InputStream;
import java.lang.ref.WeakReference;
import android.accounts.Account;
+import android.annotation.SuppressLint;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
+import android.graphics.BitmapFactory.Options;
+import android.graphics.Point;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.FragmentStatePagerAdapter;
+import android.view.Display;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
-import com.ortiz.touch.TouchImageView;
import com.owncloud.android.R;
import com.owncloud.android.datamodel.OCFile;
import com.owncloud.android.files.FileMenuFilter;
+import com.owncloud.android.lib.common.utils.Log_OC;
import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
import com.owncloud.android.ui.dialog.RemoveFileDialogFragment;
import com.owncloud.android.ui.fragment.FileFragment;
-import com.owncloud.android.utils.Log_OC;
+import com.owncloud.android.utils.TouchImageViewCustom;
+
/**
* @author David A. Velasco
*/
public class PreviewImageFragment extends FileFragment {
+
public static final String EXTRA_FILE = "FILE";
public static final String EXTRA_ACCOUNT = "ACCOUNT";
private View mView;
private Account mAccount;
- private TouchImageView mImageView;
+ private TouchImageViewCustom mImageView;
private TextView mMessageView;
private ProgressBar mProgressWheel;
Bundle savedInstanceState) {
super.onCreateView(inflater, container, savedInstanceState);
mView = inflater.inflate(R.layout.preview_image_fragment, container, false);
- mImageView = (TouchImageView) mView.findViewById(R.id.image);
+ mImageView = (TouchImageViewCustom) mView.findViewById(R.id.image);
mImageView.setVisibility(View.GONE);
mImageView.setOnClickListener(new OnClickListener() {
@Override
public void onDestroy() {
if (mBitmap != null) {
mBitmap.recycle();
+ System.gc();
}
super.onDestroy();
}
*
* 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;
+ private final WeakReference<ImageViewCustom> mImageViewRef;
/**
* Weak reference to the target {@link TextView} where error messages will be written.
*
* @param imageView Target {@link ImageView} where the bitmap will be loaded into.
*/
- public BitmapLoader(ImageView imageView, TextView messageView, ProgressBar progressWheel) {
- mImageViewRef = new WeakReference<ImageView>(imageView);
+ public BitmapLoader(ImageViewCustom imageView, TextView messageView, ProgressBar progressWheel) {
+ mImageViewRef = new WeakReference<ImageViewCustom>(imageView);
mMessageViewRef = new WeakReference<TextView>(messageView);
mProgressWheelRef = new WeakReference<ProgressBar>(progressWheel);
}
- @Override
+ @Override
protected Bitmap doInBackground(String... params) {
Bitmap result = null;
if (params.length != 1) return result;
String storagePath = params[0];
try {
- //Decode file into a bitmap in real size for being able to make zoom on the image
- result = BitmapFactory.decodeFile(storagePath);
+
+ File picture = new File(storagePath);
+
+ if (picture != null) {
+ //Decode file into a bitmap in real size for being able to make zoom on the image
+ result = BitmapFactory.decodeStream(new FlushedInputStream
+ (new BufferedInputStream(new FileInputStream(picture))));
+ }
if (result == null) {
mErrorMessageId = R.string.preview_image_error_unknown_format;
}
} catch (OutOfMemoryError e) {
- mErrorMessageId = R.string.preview_image_error_unknown_format;
Log_OC.e(TAG, "Out of memory occured for file " + storagePath, e);
+
+ // If out of memory error when loading image, try to load it scaled
+ result = loadScaledImage(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 (NoSuchFieldError e) {
mErrorMessageId = R.string.common_error_unknown;
showErrorMessage();
}
}
-
+
+ @SuppressLint("InlinedApi")
private void showLoadedImage(Bitmap result) {
if (mImageViewRef != null) {
- final ImageView imageView = mImageViewRef.get();
+ final ImageViewCustom imageView = mImageViewRef.get();
if (imageView != null) {
+ imageView.setBitmap(result);
imageView.setImageBitmap(result);
imageView.setVisibility(View.VISIBLE);
mBitmap = result;
container.finish();
}
- public TouchImageView getImageView() {
+ public TouchImageViewCustom getImageView() {
return mImageView;
}
-
+
+ static class FlushedInputStream extends FilterInputStream {
+ public FlushedInputStream(InputStream inputStream) {
+ super(inputStream);
+ }
+
+ @Override
+ public long skip(long n) throws IOException {
+ long totalBytesSkipped = 0L;
+ while (totalBytesSkipped < n) {
+ long bytesSkipped = in.skip(n - totalBytesSkipped);
+ if (bytesSkipped == 0L) {
+ int byteValue = read();
+ if (byteValue < 0) {
+ break; // we reached EOF
+ } else {
+ bytesSkipped = 1; // we read one byte
+ }
+ }
+ totalBytesSkipped += bytesSkipped;
+ }
+ return totalBytesSkipped;
+ }
+ }
+
+ /**
+ * Load image scaled
+ * @param storagePath: path of the image
+ * @return Bitmap
+ */
+ @SuppressWarnings("deprecation")
+ private Bitmap loadScaledImage(String storagePath) {
+
+ Log_OC.d(TAG, "Loading image scaled");
+
+ // set desired options that will affect the size of the bitmap
+ BitmapFactory.Options options = new Options();
+ options.inScaled = true;
+ options.inPurgeable = true;
+ if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
+ options.inPreferQualityOverSpeed = false;
+ }
+ if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
+ options.inMutable = false;
+ }
+ // make a false load of the bitmap - just to be able to read outWidth, outHeight and outMimeType
+ options.inJustDecodeBounds = true;
+ BitmapFactory.decodeFile(storagePath, options);
+
+ int width = options.outWidth;
+ int height = options.outHeight;
+ int scale = 1;
+
+ Display display = getActivity().getWindowManager().getDefaultDisplay();
+ Point size = new Point();
+ int screenWidth;
+ int screenHeight;
+ if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
+ display.getSize(size);
+ screenWidth = size.x;
+ screenHeight = size.y;
+ } else {
+ screenWidth = display.getWidth();
+ screenHeight = display.getHeight();
+ }
+
+ 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
+ return BitmapFactory.decodeFile(storagePath, options);
+
+ }
}
projects / pub / Android / ownCloud.git / blobdiff