/**
* Check the {@link PackageManager} if the phone has an application installed to view this type of
* attachment. If not, {@link #viewButton} is disabled. This should be done in any place where
* attachment.viewButton.setEnabled(enabled); is called. This method is safe to be called from the
* UI-thread.
*/
public void checkViewable() {
if (viewButton.getVisibility() == View.GONE) {
// nothing to do
return;
}
if (!viewButton.isEnabled()) {
// nothing to do
return;
}
try {
Uri uri = AttachmentProvider.getAttachmentUriForViewing(mAccount, part.getAttachmentId());
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setData(uri);
intent.addFlags(
Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
if (intent.resolveActivity(mContext.getPackageManager()) == null) {
viewButton.setEnabled(false);
}
// currently we do not cache re result.
} catch (Exception e) {
Log.e(
K9.LOG_TAG,
"Cannot resolve activity to determine if we shall show the 'view'-button for an attachment",
e);
}
}
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;
}
/**
* Writes the attachment onto the given path
*
* @param directory: the base dir where the file should be saved.
*/
public void writeFile(File directory) {
try {
String filename = Utility.sanitizeFilename(name);
File file = Utility.createUniqueFile(directory, filename);
Uri uri = AttachmentProvider.getAttachmentUri(mAccount, part.getAttachmentId());
InputStream in = mContext.getContentResolver().openInputStream(uri);
OutputStream out = new FileOutputStream(file);
IOUtils.copy(in, out);
out.flush();
out.close();
in.close();
attachmentSaved(file.toString());
new MediaScannerNotifier(mContext, file);
} catch (IOException ioe) {
if (K9.DEBUG) {
Log.e(K9.LOG_TAG, "Error saving attachment", ioe);
}
attachmentNotSaved();
}
}
public void showFile() {
Uri uri = AttachmentProvider.getAttachmentUriForViewing(mAccount, part.getAttachmentId());
Intent intent = new Intent(Intent.ACTION_VIEW);
// We explicitly set the ContentType in addition to the URI because some attachment viewers
// (such as Polaris office 3.0.x) choke on documents without a mime type
intent.setDataAndType(uri, contentType);
intent.addFlags(
Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
try {
mContext.startActivity(intent);
} catch (Exception e) {
Log.e(K9.LOG_TAG, "Could not display attachment of type " + contentType, e);
Toast toast =
Toast.makeText(
mContext,
mContext.getString(R.string.message_view_no_viewer, contentType),
Toast.LENGTH_LONG);
toast.show();
}
}
/**
* Populates this view with information about the attachment.
*
* <p>This method also decides which attachments are displayed when the "show attachments" button
* is pressed, and which attachments are only displayed after the "show more attachments" button
* was pressed.<br>
* Inline attachments with content ID and unnamed attachments fall into the second category.
*
* @param inputPart
* @param message
* @param account
* @param controller
* @param listener
* @return {@code true} for a regular attachment. {@code false}, otherwise.
* @throws MessagingException In case of an error
*/
public boolean populateFromPart(
Part inputPart,
Message message,
Account account,
MessagingController controller,
MessagingListener listener)
throws MessagingException {
boolean firstClassAttachment = true;
part = (LocalAttachmentBodyPart) inputPart;
contentType = MimeUtility.unfoldAndDecode(part.getContentType());
String contentDisposition = MimeUtility.unfoldAndDecode(part.getDisposition());
name = MimeUtility.getHeaderParameter(contentType, "name");
if (name == null) {
name = MimeUtility.getHeaderParameter(contentDisposition, "filename");
}
if (name == null) {
firstClassAttachment = false;
String extension = MimeUtility.getExtensionByMimeType(contentType);
name = "noname" + ((extension != null) ? "." + extension : "");
}
// Inline parts with a content-id are almost certainly components of an HTML message
// not attachments. Only show them if the user pressed the button to show more
// attachments.
if (contentDisposition != null
&& MimeUtility.getHeaderParameter(contentDisposition, null).matches("^(?i:inline)")
&& part.getHeader(MimeHeader.HEADER_CONTENT_ID) != null) {
firstClassAttachment = false;
}
mAccount = account;
mMessage = message;
mController = controller;
mListener = listener;
String sizeParam = MimeUtility.getHeaderParameter(contentDisposition, "size");
if (sizeParam != null) {
try {
size = Integer.parseInt(sizeParam);
} catch (NumberFormatException e) {
/* ignore */
}
}
contentType = MimeUtility.getMimeTypeForViewing(part.getMimeType(), name);
TextView attachmentName = (TextView) findViewById(R.id.attachment_name);
TextView attachmentInfo = (TextView) findViewById(R.id.attachment_info);
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))
|| (MimeUtility.mimeTypeMatches(contentType, K9.UNACCEPTABLE_ATTACHMENT_VIEW_TYPES))) {
viewButton.setVisibility(View.GONE);
}
if ((!MimeUtility.mimeTypeMatches(contentType, K9.ACCEPTABLE_ATTACHMENT_DOWNLOAD_TYPES))
|| (MimeUtility.mimeTypeMatches(contentType, K9.UNACCEPTABLE_ATTACHMENT_DOWNLOAD_TYPES))) {
downloadButton.setVisibility(View.GONE);
}
if (size > K9.MAX_ATTACHMENT_DOWNLOAD_SIZE) {
viewButton.setVisibility(View.GONE);
downloadButton.setVisibility(View.GONE);
}
viewButton.setOnClickListener(this);
downloadButton.setOnClickListener(this);
downloadButton.setOnLongClickListener(this);
attachmentName.setText(name);
attachmentInfo.setText(SizeFormatter.formatSize(mContext, size));
Bitmap previewIcon = getPreviewIcon();
if (previewIcon != null) {
attachmentIcon.setImageBitmap(previewIcon);
} else {
attachmentIcon.setImageResource(R.drawable.attached_image_placeholder);
}
return firstClassAttachment;
}