+ }catch(Throwable t){
+ // the app should never break due to a problem with thumbnails
+ Log_OC.e(TAG, "Generation of thumbnail for " + mFile + " failed", t);
+ if (t instanceof OutOfMemoryError) {
+ System.gc();
+ }
+ }
+
+ return thumbnail;
+ }
+
+ protected void onPostExecute(Bitmap bitmap){
+ if (bitmap != null) {
+ final ImageView imageView = mImageViewReference.get();
+ final ThumbnailGenerationTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
+ if (this == bitmapWorkerTask) {
+ String tagId = "";
+ if (mFile instanceof OCFile){
+ tagId = String.valueOf(((OCFile)mFile).getFileId());
+ } else if (mFile instanceof File){
+ tagId = String.valueOf(mFile.hashCode());
+ }
+ if (String.valueOf(imageView.getTag()).equals(tagId)) {
+ imageView.setImageBitmap(bitmap);
+ }
+ }
+ }
+ }
+
+ /**
+ * Add thumbnail to cache
+ * @param imageKey: thumb key
+ * @param bitmap: image for extracting thumbnail
+ * @param path: image path
+ * @param px: thumbnail dp
+ * @return Bitmap
+ */
+ private Bitmap addThumbnailToCache(String imageKey, Bitmap bitmap, String path, int px){
+
+ Bitmap thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
+
+ // Rotate image, obeying exif tag
+ thumbnail = BitmapUtils.rotateImage(thumbnail,path);
+
+ // Add thumbnail to cache
+ addBitmapToCache(imageKey, thumbnail);
+
+ return thumbnail;
+ }
+
+ /**
+ * Converts size of file icon from dp to pixel
+ * @return int
+ */
+ private int getThumbnailDimension(){
+ // Converts dp to pixel
+ Resources r = MainApp.getAppContext().getResources();
+ return Math.round(r.getDimension(R.dimen.file_icon_size_grid));
+ }
+
+ private Bitmap doOCFileInBackground() {
+ OCFile file = (OCFile)mFile;
+
+ final String imageKey = String.valueOf(file.getRemoteId());
+
+ // Check disk cache in background thread
+ Bitmap thumbnail = getBitmapFromDiskCache(imageKey);
+
+ // Not found in disk cache
+ if (thumbnail == null || file.needsUpdateThumbnail()) {
+
+ int px = getThumbnailDimension();
+
+ if (file.isDown()) {
+ Bitmap temp = BitmapUtils.decodeSampledBitmapFromFile(
+ file.getStoragePath(), px, px);
+ Bitmap bitmap = ThumbnailUtils.extractThumbnail(temp, px, px);
+
+ if (bitmap != null) {
+ // Handle PNG
+ if (file.getMimetype().equalsIgnoreCase("image/png")) {
+ bitmap = handlePNG(bitmap, px);
projects / pub / Android / ownCloud.git / blobdiff