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/*
* Copyright (C) 2012-2013 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.service;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.ui.dialog.ProgressDialogFragment;
import org.sufficientlysecure.keychain.ui.util.Notify;
import org.sufficientlysecure.keychain.util.Log;
public class ServiceProgressHandler extends Handler {
// possible messages sent from this service to handler on ui
public enum MessageStatus {
UNKNOWN,
OKAY,
EXCEPTION,
UPDATE_PROGRESS,
PREVENT_CANCEL;
private static final MessageStatus[] values = values();
public static MessageStatus fromInt(int n) {
if (n < 0 || n >= values.length) {
return UNKNOWN;
} else {
return values[n];
}
}
}
// possible data keys for messages
public static final String DATA_ERROR = "error";
public static final String DATA_PROGRESS = "progress";
public static final String DATA_PROGRESS_MAX = "max";
public static final String DATA_MESSAGE = "message";
public static final String DATA_MESSAGE_ID = "message_id";
// keybase proof specific
public static final String KEYBASE_PROOF_URL = "keybase_proof_url";
public static final String KEYBASE_PRESENCE_URL = "keybase_presence_url";
public static final String KEYBASE_PRESENCE_LABEL = "keybase_presence_label";
public static final String TAG_PROGRESS_DIALOG = "progressDialog";
FragmentActivity mActivity;
public ServiceProgressHandler(FragmentActivity activity) {
mActivity = activity;
}
public void showProgressDialog() {
showProgressDialog("", ProgressDialog.STYLE_SPINNER, false);
}
public void showProgressDialog(
String progressDialogMessage, int progressDialogStyle, boolean cancelable) {
final ProgressDialogFragment frag = ProgressDialogFragment.newInstance(
progressDialogMessage,
progressDialogStyle,
cancelable);
// TODO: This is a hack!, see
// http://stackoverflow.com/questions/10114324/show-dialogfragment-from-onactivityresult
final FragmentManager manager = mActivity.getSupportFragmentManager();
Handler handler = new Handler();
handler.post(new Runnable() {
public void run() {
frag.show(manager, TAG_PROGRESS_DIALOG);
}
});
}
@Override
public void handleMessage(Message message) {
Bundle data = message.getData();
MessageStatus status = MessageStatus.fromInt(message.arg1);
switch (status) {
case OKAY:
dismissAllowingStateLoss();
break;
case EXCEPTION:
dismissAllowingStateLoss();
// show error from service
if (data.containsKey(DATA_ERROR)) {
Notify.create(mActivity,
mActivity.getString(R.string.error_message, data.getString(DATA_ERROR)),
Notify.Style.ERROR).show();
}
break;
case UPDATE_PROGRESS:
if (data.containsKey(DATA_PROGRESS) && data.containsKey(DATA_PROGRESS_MAX)) {
String msg = null;
int progress = data.getInt(DATA_PROGRESS);
int max = data.getInt(DATA_PROGRESS_MAX);
// update progress from service
if (data.containsKey(DATA_MESSAGE)) {
msg = data.getString(DATA_MESSAGE);
} else if (data.containsKey(DATA_MESSAGE_ID)) {
msg = mActivity.getString(data.getInt(DATA_MESSAGE_ID));
}
onSetProgress(msg, progress, max);
}
break;
case PREVENT_CANCEL:
setPreventCancel(true);
break;
default:
Log.e(Constants.TAG, "unknown handler message!");
break;
}
}
private void setPreventCancel(boolean preventCancel) {
ProgressDialogFragment progressDialogFragment =
(ProgressDialogFragment) mActivity.getSupportFragmentManager()
.findFragmentByTag("progressDialog");
if (progressDialogFragment == null) {
return;
}
progressDialogFragment.setPreventCancel(preventCancel);
}
protected void dismissAllowingStateLoss() {
ProgressDialogFragment progressDialogFragment =
(ProgressDialogFragment) mActivity.getSupportFragmentManager()
.findFragmentByTag("progressDialog");
if (progressDialogFragment == null) {
return;
}
progressDialogFragment.dismissAllowingStateLoss();
}
protected void onSetProgress(String msg, int progress, int max) {
ProgressDialogFragment progressDialogFragment =
(ProgressDialogFragment) mActivity.getSupportFragmentManager()
.findFragmentByTag("progressDialog");
if (progressDialogFragment == null) {
return;
}
if (msg != null) {
progressDialogFragment.setProgress(msg, progress, max);
} else {
progressDialogFragment.setProgress(progress, max);
}
}
}
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