forked from upstream-mirrors/OpenTracks
Jimmy Shih
114 lines
3.2 KiB
Java
114 lines
3.2 KiB
Java
package com.google.android.apps.mytracks;
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/*
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* Copyright 2013 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
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import com.google.android.apps.mytracks.io.sync.SyncUtils;
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import com.google.android.apps.mytracks.util.PreferencesUtils;
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import com.google.android.maps.mytracks.R;
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import android.content.Context;
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import android.os.AsyncTask;
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/**
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* Async Task to delete tracks.
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*
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* @author Jimmy Shih
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*/
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public class DeleteAsyncTask extends AsyncTask<Void, Integer, Boolean> {
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private DeleteActivity deleteActivity;
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private final long[] trackIds;
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private final Context context;
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// true if the AsyncTask has completed
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private boolean completed;
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/**
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* Creates an AsyncTask.
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*
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* @param deleteActivity the activity currently associated with this task
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* @param trackIds the track ids to delete. To delete all, set to size 1 with
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* trackIds[0] == -1L
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*/
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public DeleteAsyncTask(DeleteActivity deleteActivity, long[] trackIds) {
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this.deleteActivity = deleteActivity;
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this.trackIds = trackIds;
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context = deleteActivity.getApplicationContext();
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completed = false;
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}
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/**
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* Sets the current activity associated with this AyncTask.
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*
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* @param deleteActivity the current activity, can be null
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*/
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public void setActivity(DeleteActivity deleteActivity) {
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this.deleteActivity = deleteActivity;
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if (completed && deleteActivity != null) {
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deleteActivity.onAsyncTaskCompleted();
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}
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}
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@Override
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protected void onPreExecute() {
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if (deleteActivity != null) {
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deleteActivity.showProgressDialog();
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}
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}
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@Override
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protected Boolean doInBackground(Void... params) {
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MyTracksProviderUtils myTracksProviderUtils = MyTracksProviderUtils.Factory.get(context);
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if (trackIds.length == 1 && trackIds[0] == -1L) {
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try {
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while (SyncUtils.isSyncActive(context)) {
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if (isCancelled()) {
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return false;
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}
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Thread.sleep(1000);
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}
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} catch (InterruptedException e) {
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return false;
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}
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PreferencesUtils.setBoolean(
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context, R.string.drive_sync_key, PreferencesUtils.DRIVE_SYNC_DEFAULT);
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SyncUtils.disableSync(context);
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SyncUtils.clearSyncState(context);
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myTracksProviderUtils.deleteAllTracks();
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return true;
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} else {
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for (long id : trackIds) {
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if (isCancelled()) {
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return false;
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}
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myTracksProviderUtils.deleteTrack(id);
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}
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return true;
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}
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}
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@Override
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protected void onPostExecute(Boolean result) {
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completed = true;
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if (deleteActivity != null) {
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deleteActivity.onAsyncTaskCompleted();
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}
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}
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}
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