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.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;
/**
* 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 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();
/**
* 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,
+ 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;
}
* 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;
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);
+ mShowResizedImage = args.getBoolean(ARG_SHOW_RESIZED_IMAGE);
setHasOptionsMenu(true);
}
if (getFile() == null) {
throw new IllegalStateException("Instanced with a NULL OCFile");
}
- if (!getFile().isDown()) {
- throw new IllegalStateException("There is no local file to preview");
- }
}
public void onStart() {
super.onStart();
if (getFile() != null) {
- mLoadBitmapTask = new LoadBitmapTask(mImageView, mMessageView, mProgressWheel);
- //mLoadBitmapTask.execute(new String[]{getFile().getStoragePath()});
- mLoadBitmapTask.execute(getFile().getStoragePath());
+ 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().getStoragePath());
+ }
}
}
getFile(),
mContainerActivity.getStorageManager().getAccount(),
mContainerActivity,
- getSherlockActivity()
+ getActivity()
);
mf.filter(menu);
}
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());
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();
}
/**
* 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;
*
* @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);
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;
} 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();
private void showLoadedImage(Bitmap result) {
final ImageViewCustom imageView = mImageViewRef.get();
if (imageView != null) {
- Log_OC.d(TAG, "Showing image with resolution " + result.getWidth() + "x" + result.getHeight());
+ 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
}
/**
- * 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.