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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.Activity;
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 KeychainIntentServiceHandler extends Handler {
// possible messages sent from this service to handler on ui
public static 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";
Activity mActivity;
ProgressDialogFragment mProgressDialogFragment;
public KeychainIntentServiceHandler(Activity activity) {
this.mActivity = activity;
}
public KeychainIntentServiceHandler(Activity activity,
ProgressDialogFragment progressDialogFragment) {
this.mActivity = activity;
this.mProgressDialogFragment = progressDialogFragment;
}
public KeychainIntentServiceHandler(Activity activity, String progressDialogMessage,
int progressDialogStyle) {
this(activity, progressDialogMessage, progressDialogStyle, false);
}
public KeychainIntentServiceHandler(Activity activity, String progressDialogMessage,
int progressDialogStyle, boolean cancelable) {
this.mActivity = activity;
this.mProgressDialogFragment = ProgressDialogFragment.newInstance(
progressDialogMessage,
progressDialogStyle,
cancelable);
}
public void showProgressDialog(FragmentActivity activity) {
if (mProgressDialogFragment == null) {
return;
}
// TODO: This is a hack!, see
// http://stackoverflow.com/questions/10114324/show-dialogfragment-from-onactivityresult
final FragmentManager manager = activity.getSupportFragmentManager();
Handler handler = new Handler();
handler.post(new Runnable() {
public void run() {
mProgressDialogFragment.show(manager, "progressDialog");
}
});
}
@Override
public void handleMessage(Message message) {
Bundle data = message.getData();
if (mProgressDialogFragment == null) {
// Log.e(Constants.TAG,
// "Progress has not been updated because mProgressDialogFragment was null!");
return;
}
MessageStatus status = MessageStatus.fromInt(message.arg1);
switch (status) {
case OKAY:
mProgressDialogFragment.dismissAllowingStateLoss();
break;
case EXCEPTION:
mProgressDialogFragment.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)) {
// update progress from service
if (data.containsKey(DATA_MESSAGE)) {
mProgressDialogFragment.setProgress(data.getString(DATA_MESSAGE),
data.getInt(DATA_PROGRESS), data.getInt(DATA_PROGRESS_MAX));
} else if (data.containsKey(DATA_MESSAGE_ID)) {
mProgressDialogFragment.setProgress(data.getInt(DATA_MESSAGE_ID),
data.getInt(DATA_PROGRESS), data.getInt(DATA_PROGRESS_MAX));
} else {
mProgressDialogFragment.setProgress(data.getInt(DATA_PROGRESS),
data.getInt(DATA_PROGRESS_MAX));
}
}
break;
case PREVENT_CANCEL:
mProgressDialogFragment.setPreventCancel(true);
break;
default:
Log.e(Constants.TAG, "unknown handler message!");
break;
}
}
}
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