Method run

app/src/main/java/eu/faircode/email/ImageHelper.java:505–540

()

            Helper.getDownloadTaskExecutor().submit(new Runnable() {
                @Override
                public void run() {
                    try {
                        // Check cache again
                        Drawable cached = getCachedImage(context, id, source);
                        if (cached != null) {
                            fitDrawable(cached, aw, ah, scale, view);
                            post(cached, source);
                            return;
                        }

                        // Download image
                        Drawable d;
                        try {
                            if (slow)
                                semaphore.acquire();
                            String mimeType = (source.endsWith(".svg") ? "image/svg+xml" : null);
                            d = downloadImage(context, id, source, mimeType);
                        } finally {
                            if (slow)
                                semaphore.release();
                        }

                        fitDrawable(d, aw, ah, scale, view);
                        post(d, source);
                    } catch (Throwable ex) {
                        // Show broken icon
                        Log.i(ex);
                        int resid = (ex instanceof IOException && !(ex instanceof FileNotFoundException)
                                ? R.drawable.twotone_cloud_off_24
                                : R.drawable.twotone_broken_image_24);
                        Drawable d = ContextCompat.getDrawable(context, resid);
                        d.setBounds(0, 0, px, px);
                        post(d, source);
                    }
                }

                private void post(final Drawable d, String source) {
                    Log.i("Posting image=" + source);