*/
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.owncloud.android.ui.dialog.RemoveFileDialogFragment;
import com.owncloud.android.ui.fragment.FileFragment;
import com.owncloud.android.utils.BitmapUtils;
+import com.owncloud.android.utils.DisplayUtils;
import third_parties.michaelOrtiz.TouchImageViewCustom;
private static final String ARG_FILE = "FILE";
private static final String ARG_IGNORE_FIRST = "IGNORE_FIRST";
- private View mView;
private TouchImageViewCustom mImageView;
private TextView mMessageView;
private ProgressBar mProgressWheel;
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
super.onCreateView(inflater, container, savedInstanceState);
- mView = inflater.inflate(R.layout.preview_image_fragment, container, false);
- mImageView = (TouchImageViewCustom) mView.findViewById(R.id.image);
+ View view = inflater.inflate(R.layout.preview_image_fragment, container, false);
+ mImageView = (TouchImageViewCustom) view.findViewById(R.id.image);
mImageView.setVisibility(View.GONE);
mImageView.setOnClickListener(new OnClickListener() {
@Override
}
});
- mMessageView = (TextView)mView.findViewById(R.id.message);
+ mMessageView = (TextView)view.findViewById(R.id.message);
mMessageView.setVisibility(View.GONE);
- mProgressWheel = (ProgressBar)mView.findViewById(R.id.progressWheel);
+ mProgressWheel = (ProgressBar)view.findViewById(R.id.progressWheel);
mProgressWheel.setVisibility(View.VISIBLE);
- return mView;
+ return view;
}
/**
super.onActivityCreated(savedInstanceState);
if (savedInstanceState != null) {
if (!mIgnoreFirstSavedState) {
- OCFile file = (OCFile)savedInstanceState.getParcelable(PreviewImageFragment.EXTRA_FILE);
+ OCFile file = savedInstanceState.getParcelable(PreviewImageFragment.EXTRA_FILE);
setFile(file);
} else {
mIgnoreFirstSavedState = false;
public void onStart() {
super.onStart();
if (getFile() != null) {
- mLoadBitmapTask = new LoadBitmapTask(mImageView, mMessageView, mProgressWheel);
- mLoadBitmapTask.execute(new String[]{getFile().getStoragePath()});
+ mLoadBitmapTask = new LoadBitmapTask(mImageView, mMessageView, mProgressWheel);
+ //mLoadBitmapTask.execute(new String[]{getFile().getStoragePath()});
+ mLoadBitmapTask.execute(getFile().getStoragePath());
}
}
@Override
protected Bitmap doInBackground(String... params) {
Bitmap result = null;
- if (params.length != 1) return result;
+ if (params.length != 1) return null;
String storagePath = params[0];
- InputStream is = null;
try {
- if (isCancelled()) return result;
-
- 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
- is = new FlushedInputStream(new BufferedInputStream(new FileInputStream(picture)));
- result = BitmapFactory.decodeStream(is);
- }
-
- if (isCancelled()) return result;
-
- if (result == null) {
- mErrorMessageId = R.string.preview_image_error_unknown_format;
- Log_OC.e(TAG, "File could not be loaded as a bitmap: " + storagePath);
- } else {
- // Rotate image, obeying exif tag.
- result = BitmapUtils.rotateImage(result, storagePath);
+ int maxDownScale = 3; // could be a parameter passed to doInBackground(...)
+ Point screenSize = DisplayUtils.getScreenSize(getActivity());
+ int minWidth = screenSize.x;
+ int minHeight = screenSize.y;
+ for (int i = 0; i < maxDownScale && result == null; i++) {
+ if (isCancelled()) return null;
+ try {
+ result = BitmapUtils.decodeSampledBitmapFromFile(storagePath, minWidth, minHeight);
+
+ if (isCancelled()) return result;
+
+ if (result == null) {
+ mErrorMessageId = R.string.preview_image_error_unknown_format;
+ Log_OC.e(TAG, "File could not be loaded as a bitmap: " + storagePath);
+ break;
+ } else {
+ // Rotate image, obeying exif tag.
+ result = BitmapUtils.rotateImage(result, storagePath);
+ }
+
+ } 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");
+ minWidth = minWidth / 2;
+ minHeight = minHeight / 2;
+
+ } else {
+ Log_OC.w(TAG, "Out of memory rendering file " + storagePath + " ; failing");
+ }
+ if (result != null) {
+ result.recycle();
+ }
+ result = null;
+ }
}
-
- } catch (OutOfMemoryError e) {
- Log_OC.w(TAG, "Out of memory rendering file " + storagePath + " in full size; scaling down");
- if (isCancelled()) return result;
-
- // If out of memory error when loading or rotating 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);
- } else {
- // Rotate scaled image, obeying exif tag
- result = BitmapUtils.rotateImage(result, storagePath);
- }
-
} catch (NoSuchFieldError e) {
mErrorMessageId = R.string.common_error_unknown;
Log_OC.e(TAG, "Error from access to unexisting field despite protection; file "
mErrorMessageId = R.string.common_error_unknown;
Log_OC.e(TAG, "Unexpected error loading " + getFile().getStoragePath(), t);
- } finally {
- if (is != null) {
- try {
- is.close();
- } catch (IOException e) {
- Log_OC.e(TAG, "Unexpected exception closing stream; trying to continue ", e);
- }
- }
}
return result;
} else {
showErrorMessage();
}
- if (mBitmap != null && mBitmap != result) {
+ if (result != null && mBitmap != result) {
// unused bitmap, release it! (just in case)
result.recycle();
}
@SuppressLint("InlinedApi")
private void showLoadedImage(Bitmap result) {
- if (mImageViewRef != null) {
- final ImageViewCustom imageView = mImageViewRef.get();
- if (imageView != null) {
- imageView.setImageBitmap(result);
- imageView.setVisibility(View.VISIBLE);
- mBitmap = result; // needs to be kept for recycling when not useful
- }
- }
- if (mMessageViewRef != null) {
- final TextView messageView = mMessageViewRef.get();
- if (messageView != null) {
- messageView.setVisibility(View.GONE);
- } // else , silently finish, the fragment was destroyed
+ final ImageViewCustom imageView = mImageViewRef.get();
+ if (imageView != null) {
+ Log_OC.d(TAG, "Showing image with resolution " + result.getWidth() + "x" + result.getHeight());
+ imageView.setImageBitmap(result);
+ imageView.setVisibility(View.VISIBLE);
+ mBitmap = result; // needs to be kept for recycling when not useful
}
+
+ 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();
- 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
- }
+ final ImageView imageView = mImageViewRef.get();
+ if (imageView != null) {
+ // shows the default error icon
+ imageView.setVisibility(View.VISIBLE);
+ } // else , silently finish, the fragment was destroyed
+
+ 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);
- }
+ final ProgressBar progressWheel = mProgressWheelRef.get();
+ if (progressWheel != null) {
+ progressWheel.setVisibility(View.GONE);
}
}
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 / commitdiff