/**
* This method is called by SDL using JNI. Shows the messagebox from UI thread and block calling
* thread. buttonFlags, buttonIds and buttonTexts must have same length.
*
* @param buttonFlags array containing flags for every button.
* @param buttonIds array containing id for every button.
* @param buttonTexts array containing text for every button.
* @param colors null for default or array of length 5 containing colors.
* @return button id or -1.
*/
public int messageboxShowMessageBox(
final int flags,
final String title,
final String message,
final int[] buttonFlags,
final int[] buttonIds,
final String[] buttonTexts,
final int[] colors) {
messageboxSelection[0] = -1;
// sanity checks
if ((buttonFlags.length != buttonIds.length) && (buttonIds.length != buttonTexts.length)) {
return -1; // implementation broken
}
// collect arguments for Dialog
final Bundle args = new Bundle();
args.putInt("flags", flags);
args.putString("title", title);
args.putString("message", message);
args.putIntArray("buttonFlags", buttonFlags);
args.putIntArray("buttonIds", buttonIds);
args.putStringArray("buttonTexts", buttonTexts);
args.putIntArray("colors", colors);
// trigger Dialog creation on UI thread
runOnUiThread(
new Runnable() {
@Override
public void run() {
showDialog(dialogs++, args);
}
});
// block the calling thread
synchronized (messageboxSelection) {
try {
messageboxSelection.wait();
} catch (InterruptedException ex) {
ex.printStackTrace();
return -1;
}
}
// return selected value
return messageboxSelection[0];
}
/**
* Creates new instance of <tt>ActionBarToggleFragment</tt> with given description(can be empty
* but not <tt>null</tt>).
*
* @param labelText toggle button's description(can be empty, but not <tt>null</tt>).
* @return new instance of <tt>ActionBarToggleFragment</tt> parametrized with description
* argument.
*/
public static ActionBarToggleFragment create(String labelText) {
ActionBarToggleFragment fragment = new ActionBarToggleFragment();
Bundle args = new Bundle();
args.putString(ARG_LABEL_TEXT, labelText);
fragment.setArguments(args);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
// locks the screen in portrait mode
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
super.onCreate(savedInstanceState);
setContentView(R.layout.downloader);
mtext = (TextView) findViewById(R.id.mtext);
progress_text = (TextView) findViewById(R.id.progress_text);
progress_download = (ProgressBar) findViewById(R.id.progress_download);
// resume capability
paused = false;
resume_pause = (Button) findViewById(R.id.resume);
// Create and launch the download thread
downloadThread = new DownloadThread(this);
downloadThread.start();
// Create the Handler. It will implicitly bind to the Looper
// that is internally created for this thread (since it is the UI thread)
handler = new Handler();
resume_pause.setOnClickListener(
new View.OnClickListener() {
public void onClick(View v) {
if (!paused) {
paused = true;
resume_pause.setText("Resume");
// writeProgress(completed_downloads,total_files_to_download);
downloadThread.requestStop();
downloadThread = null;
} else {
resume_pause.setText("Pause");
paused = false;
initial_value = readProgress()[0];
final_value = links.size();
for (int i = initial_value; i < links.size(); i++) {
downloadThread = new DownloadThread(download_photos.this);
downloadThread.start();
downloadThread.enqueueDownload(
new DownloadTask(
links.get(i), path, i + 1, links.size(), download_photos.this));
}
}
}
});
// load preferences for this activity
mPrefs = getSharedPreferences("COMMON", MODE_PRIVATE);
// This declaration is solely meant for reading the checkbox preference for downloading high res
// pics.
SharedPreferences dl_prefs = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
// The global variable is set after reading the checkbox preference.
dl_high_res_pics = dl_prefs.getBoolean("download_high_res", false);
// load fb access token and its expiry values
String access_token = mPrefs.getString("access_token", null);
long expires = mPrefs.getLong("access_expires", 0);
if (access_token != null) {
facebook.setAccessToken(access_token);
}
if (expires != 0) {
facebook.setAccessExpires(expires);
}
// get friend_name and album_name from the intent which started this activity
Intent starting_intent = getIntent();
album_id = starting_intent.getStringExtra("id");
album_name = starting_intent.getStringExtra("name");
friend_name = starting_intent.getStringExtra("friend_name");
// real album and friend name may contain characters not suitable for file names.
// regex pattern includes most of the invalid characters in file names
legal_album_name = album_name.replaceAll("[.\\\\/:*?\"<>|]?[\\\\/:*?\"<>|]*", "");
legal_friend_name = friend_name.replaceAll("[.\\\\/:*?\"<>|]?[\\\\/:*?\"<>|]*", "");
// initialise the directory structure for download
path =
new File(
Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES)
+ "/"
+ getText(R.string.app_name)
+ "/"
+ legal_friend_name
+ "/"
+ legal_album_name);
if (dl_high_res_pics)
path = new File(path.toString() + "/" + getText(R.string.folder_name_high_res));
resume_file = new File(path, "resume.txt");
// implements actions to done after receiving json object
class meRequestListener extends BaseRequestListener {
@Override
public void onComplete(String response, Object state) {
try {
Log.i(TAG, response);
json = Util.parseJson(response);
// photos are in the form of a json array
child = json.getJSONArray("data");
int total = child.length();
// contains links to photos
links = new ArrayList<String>(total);
// adds link to each photo to our list after replacing the "https" from url
// DownloadManager does not support https in gingerbread
for (int i = 0; i < total; i++) {
photo_json = child.getJSONObject(i);
if (dl_high_res_pics) {
JSONArray image_set = photo_json.getJSONArray("images");
// highest resolution picture has the index zero in the images jsonarray
JSONObject highest_res_pic = image_set.getJSONObject(0);
String http_replaced =
highest_res_pic.getString("source").replaceFirst("https", "http");
links.add(i, http_replaced);
} else {
// source property of the json object points to the photo's link
String http_replaced = photo_json.getString("source").replaceFirst("https", "http");
links.add(i, http_replaced);
}
}
download_photos.this.runOnUiThread(
new Runnable() {
public void run() {
// mytask = new DownloadImageTask();
// mytask.execute(links);
// start downloading using asynctask
// new DownloadImageTask().execute(links);
// downloadThread.setPath(path);
// downloadThread.setWholeTasks(links.size());
if (resume_file.exists()) {
initial_value = readProgress()[0];
final_value = links.size();
// case if the task is already completed
if (initial_value == final_value) {
completed = true;
resume_pause.setVisibility(View.GONE);
progress_download.setMax(final_value);
progress_download.setProgress(0); // bug in progress bar
progress_download.setProgress(initial_value);
progress_text.setText("Completed.");
mtext.setText(
getText(R.string.download_textview_message_1)
+ " "
+ path.toString()
+ ". ");
}
// case if some of the photos are already downloaded
else {
progress_download.setMax(links.size());
// progress_download.setProgress(0); //bug in progress bar
progress_download.setProgress(initial_value);
// N.B if i= initial_value -1, then one image will be downloaded again. so to
// save cost we start with i = initial_value
for (int i = initial_value; i < links.size(); i++) {
mtext.setText(
getText(R.string.download_textview_message_1)
+ " "
+ path.toString()
+ ". ");
// downloadThread.setRunningTask(i + 1);
downloadThread.enqueueDownload(
new DownloadTask(
links.get(i), path, i + 1, final_value, download_photos.this));
}
}
}
// case if the task is entirely new task
else {
for (int i = 0; i < links.size(); i++) {
mtext.setText(
getText(R.string.download_textview_message_1)
+ " "
+ path.toString()
+ ". ");
// downloadThread.setRunningTask(i + 1);
downloadThread.enqueueDownload(
new DownloadTask(
links.get(i), path, i + 1, links.size(), download_photos.this));
}
}
}
});
} catch (JSONException ex) {
Log.e(TAG, "JSONEXception : " + ex.getMessage());
}
}
}
// makes asynchronous request to facebook graph api
// the actions to be performed after receiving json response is implemented above
Bundle parameters = new Bundle();
// facebook returns only 25 photos when limit is not specified.
parameters.putString("limit", max_photos_in_album);
if (!completed) mAsyncRunner.request(album_id + "/photos", parameters, new meRequestListener());
if (!facebook.isSessionValid()) {
facebook.authorize(
this,
permissions,
new DialogListener() {
// save fb access token and its expiry values to prefernces of this activity
@Override
public void onComplete(Bundle values) {
SharedPreferences.Editor editor = mPrefs.edit();
editor.putString("access_token", facebook.getAccessToken());
editor.putLong("access_expires", facebook.getAccessExpires());
editor.commit();
}
@Override
public void onFacebookError(FacebookError error) {
Log.e(TAG, "Facebook Error : " + error.getMessage());
}
@Override
public void onError(DialogError e) {
Log.e(TAG, e.getMessage());
}
@Override
public void onCancel() {
// do nothing LOL :-)
}
});
}
}