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Code Issues Releases Wiki Activity

Move inner class DownloadImageTask to upper level

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This commit is contained in:
cketti 2015-02-04 21:07:54 +01:00
parent d7da286098
commit 937ca7e17a
2 changed files with 151 additions and 134 deletions
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150
k9mail/src/main/java/com/fsck/k9/ui/messageview/DownloadImageTask.java Normal file
View File

@ -0,0 +1,150 @@
package com.fsck.k9.ui.messageview;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.widget.Toast;
import com.fsck.k9.K9;
import com.fsck.k9.R;
import com.fsck.k9.helper.FileHelper;
import com.fsck.k9.helper.UrlEncodingHelper;
import com.fsck.k9.mail.internet.MimeUtility;
import com.fsck.k9.provider.AttachmentProvider.AttachmentProviderColumns;
import org.apache.commons.io.IOUtils;
class DownloadImageTask extends AsyncTask<String, Void, String> {
private static final String[] ATTACHMENT_PROJECTION = new String[] {
AttachmentProviderColumns._ID,
AttachmentProviderColumns.DISPLAY_NAME
};
private static final int DISPLAY_NAME_INDEX = 1;
private final Context context;
public DownloadImageTask(Context context) {
this.context = context.getApplicationContext();
}
@Override
protected String doInBackground(String... params) {
String urlString = params[0];
try {
boolean externalImage = urlString.startsWith("http");
String filename = null;
String mimeType = null;
InputStream in = null;
try {
if (externalImage) {
URL url = new URL(urlString);
URLConnection conn = url.openConnection();
in = conn.getInputStream();
String path = url.getPath();
// Try to get the filename from the URL
int start = path.lastIndexOf("/");
if (start != -1 && start + 1 < path.length()) {
filename = UrlEncodingHelper.decodeUtf8(path.substring(start + 1));
} else {
// Use a dummy filename if necessary
filename = "saved_image";
}
// Get the MIME type if we couldn't find a file extension
if (filename.indexOf('.') == -1) {
mimeType = conn.getContentType();
}
} else {
ContentResolver contentResolver = context.getContentResolver();
Uri uri = Uri.parse(urlString);
// Get the filename from AttachmentProvider
Cursor cursor = contentResolver.query(uri, ATTACHMENT_PROJECTION, null, null, null);
if (cursor != null) {
try {
if (cursor.moveToNext()) {
filename = cursor.getString(DISPLAY_NAME_INDEX);
}
} finally {
cursor.close();
}
}
// Use a dummy filename if necessary
if (filename == null) {
filename = "saved_image";
}
// Get the MIME type if we couldn't find a file extension
if (filename.indexOf('.') == -1) {
mimeType = contentResolver.getType(uri);
}
in = contentResolver.openInputStream(uri);
}
// Do we still need an extension?
if (filename.indexOf('.') == -1) {
// Use JPEG as fallback
String extension = "jpeg";
if (mimeType != null) {
// Try to find an extension for the given MIME type
String ext = MimeUtility.getExtensionByMimeType(mimeType);
if (ext != null) {
extension = ext;
}
}
filename += "." + extension;
}
String sanitized = FileHelper.sanitizeFilename(filename);
File directory = new File(K9.getAttachmentDefaultPath());
File file = FileHelper.createUniqueFile(directory, sanitized);
FileOutputStream out = new FileOutputStream(file);
try {
IOUtils.copy(in, out);
out.flush();
} finally {
out.close();
}
return file.getName();
} finally {
if (in != null) {
in.close();
}
}
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
@Override
protected void onPostExecute(String filename) {
String text;
if (filename == null) {
text = context.getString(R.string.image_saving_failed);
} else {
text = context.getString(R.string.image_saved_as, filename);
}
Toast.makeText(context, text, Toast.LENGTH_LONG).show();
}
}

135
k9mail/src/main/java/com/fsck/k9/ui/messageview/MessageContainerView.java
View File

@ -1,22 +1,14 @@
package com.fsck.k9.ui.messageview;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.HashMap;
import java.util.Map;
import android.app.Activity;
import android.app.Fragment;
import android.content.ActivityNotFoundException;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Parcel;
import android.os.Parcelable;
import android.util.AttributeSet;
@ -38,22 +30,16 @@ import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.Toast;
import com.fsck.k9.K9;
import com.fsck.k9.R;
import com.fsck.k9.helper.ClipboardManager;
import com.fsck.k9.helper.Contacts;
import com.fsck.k9.helper.FileHelper;
import com.fsck.k9.helper.UrlEncodingHelper;
import com.fsck.k9.mail.Address;
import com.fsck.k9.mail.MessagingException;
import com.fsck.k9.mail.internet.MimeUtility;
import com.fsck.k9.mailstore.AttachmentViewInfo;
import com.fsck.k9.mailstore.MessageViewInfo.MessageViewContainer;
import com.fsck.k9.provider.AttachmentProvider.AttachmentProviderColumns;
import com.fsck.k9.view.MessageHeader.OnLayoutChangedListener;
import com.fsck.k9.view.MessageWebView;
import org.apache.commons.io.IOUtils;
import org.openintents.openpgp.OpenPgpError;
@ -75,12 +61,6 @@ public class MessageContainerView extends LinearLayout implements OnClickListene
private static final int MENU_ITEM_EMAIL_SAVE = Menu.FIRST + 1;
private static final int MENU_ITEM_EMAIL_COPY = Menu.FIRST + 2;
private static final String[] ATTACHMENT_PROJECTION = new String[] {
AttachmentProviderColumns._ID,
AttachmentProviderColumns.DISPLAY_NAME
};
private static final int DISPLAY_NAME_INDEX = 1;
private ViewStub mOpenPgpHeaderStub;
private View mSidebar;
private MessageWebView mMessageContentView;
@ -240,7 +220,7 @@ public class MessageContainerView extends LinearLayout implements OnClickListene
break;
}
case MENU_ITEM_IMAGE_SAVE: {
new DownloadImageTask().execute(url);
new DownloadImageTask(getContext()).execute(url);
break;
}
case MENU_ITEM_IMAGE_COPY: {
@ -659,117 +639,4 @@ public class MessageContainerView extends LinearLayout implements OnClickListene
out.writeInt((this.showPictures) ? 1 : 0);
}
}
class DownloadImageTask extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... params) {
String urlString = params[0];
try {
boolean externalImage = urlString.startsWith("http");
String filename = null;
String mimeType = null;
InputStream in = null;
try {
if (externalImage) {
URL url = new URL(urlString);
URLConnection conn = url.openConnection();
in = conn.getInputStream();
String path = url.getPath();
// Try to get the filename from the URL
int start = path.lastIndexOf("/");
if (start != -1 && start + 1 < path.length()) {
filename = UrlEncodingHelper.decodeUtf8(path.substring(start + 1));
} else {
// Use a dummy filename if necessary
filename = "saved_image";
}
// Get the MIME type if we couldn't find a file extension
if (filename.indexOf('.') == -1) {
mimeType = conn.getContentType();
}
} else {
ContentResolver contentResolver = getContext().getContentResolver();
Uri uri = Uri.parse(urlString);
// Get the filename from AttachmentProvider
Cursor cursor = contentResolver.query(uri, ATTACHMENT_PROJECTION, null, null, null);
if (cursor != null) {
try {
if (cursor.moveToNext()) {
filename = cursor.getString(DISPLAY_NAME_INDEX);
}
} finally {
cursor.close();
}
}
// Use a dummy filename if necessary
if (filename == null) {
filename = "saved_image";
}
// Get the MIME type if we couldn't find a file extension
if (filename.indexOf('.') == -1) {
mimeType = contentResolver.getType(uri);
}
in = contentResolver.openInputStream(uri);
}
// Do we still need an extension?
if (filename.indexOf('.') == -1) {
// Use JPEG as fallback
String extension = "jpeg";
if (mimeType != null) {
// Try to find an extension for the given MIME type
String ext = MimeUtility.getExtensionByMimeType(mimeType);
if (ext != null) {
extension = ext;
}
}
filename += "." + extension;
}
String sanitized = FileHelper.sanitizeFilename(filename);
File directory = new File(K9.getAttachmentDefaultPath());
File file = FileHelper.createUniqueFile(directory, sanitized);
FileOutputStream out = new FileOutputStream(file);
try {
IOUtils.copy(in, out);
out.flush();
} finally {
out.close();
}
return file.getName();
} finally {
if (in != null) {
in.close();
}
}
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
@Override
protected void onPostExecute(String filename) {
String text;
if (filename == null) {
text = getContext().getString(R.string.image_saving_failed);
} else {
text = getContext().getString(R.string.image_saved_as, filename);
}
Toast.makeText(getContext(), text, Toast.LENGTH_LONG).show();
}
}
}