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Code Issues Releases Wiki Activity

Create named class for loading and displaying attachment thumbnails

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This commit is contained in:
cketti 2014-10-20 20:46:46 -04:00
parent 4299eb9771
commit ca88f59c05
1 changed files with 39 additions and 32 deletions
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71
src/com/fsck/k9/view/AttachmentView.java
View File

@ -152,7 +152,6 @@ public class AttachmentView extends FrameLayout implements OnClickListener, OnLo
contentType = MimeUtility.getMimeTypeForViewing(part.getMimeType(), name);
TextView attachmentName = (TextView) findViewById(R.id.attachment_name);
TextView attachmentInfo = (TextView) findViewById(R.id.attachment_info);
final ImageView attachmentIcon = (ImageView) findViewById(R.id.attachment_icon);
viewButton = (Button) findViewById(R.id.view);
downloadButton = (Button) findViewById(R.id.download);
if ((!MimeUtility.mimeTypeMatches(contentType, K9.ACCEPTABLE_ATTACHMENT_VIEW_TYPES))
@ -174,20 +173,9 @@ public class AttachmentView extends FrameLayout implements OnClickListener, OnLo
attachmentName.setText(name);
attachmentInfo.setText(SizeFormatter.formatSize(mContext, size));
new AsyncTask<Void, Void, Bitmap>() {
protected Bitmap doInBackground(Void... asyncTaskArgs) {
Bitmap previewIcon = getPreviewIcon();
return previewIcon;
}
protected void onPostExecute(Bitmap previewIcon) {
if (previewIcon != null) {
attachmentIcon.setImageBitmap(previewIcon);
} else {
attachmentIcon.setImageResource(R.drawable.attached_image_placeholder);
}
}
}.execute();
ImageView thumbnail = (ImageView) findViewById(R.id.attachment_icon);
new LoadAndDisplayThumbnailAsyncTask(thumbnail).execute();
return firstClassAttachment;
}
@ -216,24 +204,6 @@ public class AttachmentView extends FrameLayout implements OnClickListener, OnLo
return false;
}
private Bitmap getPreviewIcon() {
Bitmap icon = null;
try {
InputStream input = mContext.getContentResolver().openInputStream(
AttachmentProvider.getAttachmentThumbnailUri(mAccount,
part.getAttachmentId(),
62,
62));
icon = BitmapFactory.decodeStream(input);
input.close();
} catch (Exception e) {
/*
* We don't care what happened, we just return null for the preview icon.
*/
}
return icon;
}
private void onViewButtonClicked() {
if (mMessage != null) {
mController.loadAttachment(mAccount, mMessage, part, new Object[] {false, this}, mListener);
@ -331,4 +301,41 @@ public class AttachmentView extends FrameLayout implements OnClickListener, OnLo
public void setCallback(AttachmentFileDownloadCallback callback) {
this.callback = callback;
}
private class LoadAndDisplayThumbnailAsyncTask extends AsyncTask<Void, Void, Bitmap> {
private final ImageView thumbnail;
public LoadAndDisplayThumbnailAsyncTask(ImageView thumbnail) {
this.thumbnail = thumbnail;
}
protected Bitmap doInBackground(Void... asyncTaskArgs) {
return getPreviewIcon();
}
private Bitmap getPreviewIcon() {
Bitmap icon = null;
try {
InputStream input = mContext.getContentResolver().openInputStream(
AttachmentProvider.getAttachmentThumbnailUri(mAccount,
part.getAttachmentId(),
62,
62));
icon = BitmapFactory.decodeStream(input);
input.close();
} catch (Exception e) {
// We don't care what happened, we just return null for the preview icon.
}
return icon;
}
protected void onPostExecute(Bitmap previewIcon) {
if (previewIcon != null) {
thumbnail.setImageBitmap(previewIcon);
} else {
thumbnail.setImageResource(R.drawable.attached_image_placeholder);
}
}
}
}