Track deletion is handled by a service that shows a progress bar on the notification bar. Fixes #735.

2021-05-10 18:23:00 +02:00
parent 6b0ec72b9b
commit 93f203bcf1
11 changed files with 601 additions and 142 deletions
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package de.dennisguse.opentracks;
+
+import androidx.annotation.Nullable;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+import de.dennisguse.opentracks.content.data.Track;
+import de.dennisguse.opentracks.fragments.ConfirmDeleteDialogFragment;
+import de.dennisguse.opentracks.fragments.ConfirmDeleteDialogFragment.ConfirmDeleteCaller;
+import de.dennisguse.opentracks.services.TrackDeleteService;
+import de.dennisguse.opentracks.services.TrackDeleteServiceConnection;
+import de.dennisguse.opentracks.services.TrackRecordingServiceConnection;
+
+/**
+ * An abstract class for the following common tasks across
+ * {@link TrackListActivity} and {@link TrackRecordedActivity}:
+ * <p>
+ * - delete tracks <br>
+ *
+ * @author Jimmy Shih
+ */
+//TODO Check if this class is still such a good idea; inheritance might limit maintainability
+public abstract class AbstractTrackDeleteActivity extends AbstractActivity implements ConfirmDeleteCaller, TrackDeleteServiceConnection.Listener {
+
+    private static final String TAG = AbstractTrackDeleteActivity.class.getSimpleName();
+
+    private TrackDeleteServiceConnection trackDeleteServiceConnection;
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+        trackDeleteServiceConnection = new TrackDeleteServiceConnection(this);
+        trackDeleteServiceConnection.bind(this);
+    }
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+        if (trackDeleteServiceConnection != null) {
+            trackDeleteServiceConnection.unbind(this);
+            trackDeleteServiceConnection = null;
+        }
+    }
+
+    /**
+     * Delete tracks.
+     *
+     * @param trackIds the track ids
+     */
+    protected void deleteTracks(Track.Id... trackIds) {
+        ConfirmDeleteDialogFragment.showDialog(getSupportFragmentManager(), trackIds);
+    }
+
+    @Override
+    public void onConfirmDeleteDone(Track.Id... trackIds) {
+        boolean stopRecording = false;
+
+        onDeleteConfirmed();
+
+        for (Track.Id trackId : trackIds) {
+            if (trackId.equals(getRecordingTrackId())) {
+                stopRecording = true;
+                break;
+            }
+        }
+
+        if (stopRecording) {
+            getTrackRecordingServiceConnection().stopRecording(this);
+        }
+
+        trackDeleteServiceConnection = new TrackDeleteServiceConnection(this);
+        trackDeleteServiceConnection.startAndBind(this, new ArrayList<>(Arrays.asList(trackIds)));
+    }
+
+    /**
+     * Gets the track recording service connection.
+     * For stopping the current recording if need to delete the current recording track.
+     */
+    protected TrackRecordingServiceConnection getTrackRecordingServiceConnection() {
+        return null;
+    }
+
+    /**
+     * Called every time a track is deleted.
+     */
+    protected void onTrackDeleteStatus(TrackDeleteService.DeleteStatus deleteStatus) {
+        if (deleteStatus.isFinished() && trackDeleteServiceConnection != null) {
+            trackDeleteServiceConnection.unbind(this);
+            trackDeleteServiceConnection = null;
+        }
+    }
+
+    protected abstract void onDeleteConfirmed();
+
+    @Nullable
+    protected Track.Id getRecordingTrackId() {
+        return null;
+    }
+
+    @Override
+    public void connected() {
+        TrackDeleteService service = trackDeleteServiceConnection.getServiceIfBound();
+        if (service == null) {
+            return;
+        }
+        service.getDeletingStatusObservable().observe(AbstractTrackDeleteActivity.this, status -> onTrackDeleteStatus(status));
+    }
+}