196 lines
6.3 KiB
Java
196 lines
6.3 KiB
Java
/*
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* Copyright (C) 2017 Schürmann & Breitmoser GbR
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.service;
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import android.app.ProgressDialog;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.support.v4.app.FragmentActivity;
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import android.support.v4.app.FragmentManager;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.ui.dialog.ProgressDialogFragment;
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import org.sufficientlysecure.keychain.ui.util.Notify;
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import org.sufficientlysecure.keychain.util.Log;
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public class ServiceProgressHandler extends Handler {
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// possible messages sent from this service to handler on ui
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public enum MessageStatus {
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UNKNOWN,
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OKAY,
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EXCEPTION,
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UPDATE_PROGRESS,
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PREVENT_CANCEL;
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private static final MessageStatus[] values = values();
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public static MessageStatus fromInt(int n) {
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if (n < 0 || n >= values.length) {
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return UNKNOWN;
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} else {
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return values[n];
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}
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}
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}
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// possible data keys for messages
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public static final String DATA_ERROR = "error";
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public static final String DATA_PROGRESS = "progress";
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public static final String DATA_PROGRESS_MAX = "max";
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public static final String DATA_MESSAGE = "message";
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public static final String DATA_MESSAGE_ID = "message_id";
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// keybase proof specific
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public static final String KEYBASE_PROOF_URL = "keybase_proof_url";
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public static final String KEYBASE_PRESENCE_URL = "keybase_presence_url";
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public static final String KEYBASE_PRESENCE_LABEL = "keybase_presence_label";
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public static final String TAG_PROGRESS_DIALOG = "progressDialog";
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FragmentActivity mActivity;
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public ServiceProgressHandler(FragmentActivity activity) {
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mActivity = activity;
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}
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public void showProgressDialog() {
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showProgressDialog("", ProgressDialog.STYLE_SPINNER, false);
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}
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public void showProgressDialog(
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String progressDialogMessage, int progressDialogStyle, boolean cancelable) {
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final ProgressDialogFragment frag = ProgressDialogFragment.newInstance(
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progressDialogMessage,
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progressDialogStyle,
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cancelable);
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// TODO: This is a hack!, see
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// http://stackoverflow.com/questions/10114324/show-dialogfragment-from-onactivityresult
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final FragmentManager manager = mActivity.getSupportFragmentManager();
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Handler handler = new Handler();
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handler.post(new Runnable() {
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public void run() {
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frag.show(manager, TAG_PROGRESS_DIALOG);
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}
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});
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}
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@Override
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public void handleMessage(Message message) {
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Bundle data = message.getData();
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MessageStatus status = MessageStatus.fromInt(message.arg1);
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switch (status) {
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case OKAY:
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dismissAllowingStateLoss();
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break;
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case EXCEPTION:
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dismissAllowingStateLoss();
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// show error from service
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if (data.containsKey(DATA_ERROR)) {
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Notify.create(mActivity,
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mActivity.getString(R.string.error_message, data.getString(DATA_ERROR)),
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Notify.Style.ERROR).show();
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}
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break;
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case UPDATE_PROGRESS:
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if (data.containsKey(DATA_PROGRESS) && data.containsKey(DATA_PROGRESS_MAX)) {
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String msg = null;
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int progress = data.getInt(DATA_PROGRESS);
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int max = data.getInt(DATA_PROGRESS_MAX);
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// update progress from service
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if (data.containsKey(DATA_MESSAGE)) {
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msg = data.getString(DATA_MESSAGE);
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} else if (data.containsKey(DATA_MESSAGE_ID)) {
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msg = mActivity.getString(data.getInt(DATA_MESSAGE_ID));
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}
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onSetProgress(msg, progress, max);
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}
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break;
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case PREVENT_CANCEL:
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setPreventCancel(true);
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break;
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default:
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Log.e(Constants.TAG, "unknown handler message!");
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break;
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}
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}
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private void setPreventCancel(boolean preventCancel) {
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ProgressDialogFragment progressDialogFragment =
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(ProgressDialogFragment) mActivity.getSupportFragmentManager()
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.findFragmentByTag("progressDialog");
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if (progressDialogFragment == null) {
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return;
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}
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progressDialogFragment.setPreventCancel(preventCancel);
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}
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protected void dismissAllowingStateLoss() {
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ProgressDialogFragment progressDialogFragment =
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(ProgressDialogFragment) mActivity.getSupportFragmentManager()
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.findFragmentByTag("progressDialog");
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if (progressDialogFragment == null) {
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return;
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}
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progressDialogFragment.dismissAllowingStateLoss();
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}
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protected void onSetProgress(String msg, int progress, int max) {
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ProgressDialogFragment progressDialogFragment =
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(ProgressDialogFragment) mActivity.getSupportFragmentManager()
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.findFragmentByTag("progressDialog");
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if (progressDialogFragment == null) {
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return;
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}
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if (msg != null) {
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progressDialogFragment.setProgress(msg, progress, max);
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} else {
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progressDialogFragment.setProgress(progress, max);
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}
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}
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}
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