com.google.gapid.models.Timeline.java Source code

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Here is the source code for com.google.gapid.models.Timeline.java

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/*
 * Copyright (C) 2017 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 com.google.gapid.models;

import static com.google.gapid.util.Paths.events;

import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.gapid.models.ApiContext.FilteringContext;
import com.google.gapid.proto.service.Service;
import com.google.gapid.proto.service.Service.Event;
import com.google.gapid.proto.service.path.Path;
import com.google.gapid.server.Client;
import com.google.gapid.util.Events;

import org.eclipse.swt.widgets.Shell;

import java.util.Iterator;
import java.util.List;
import java.util.logging.Logger;

public class Timeline extends ModelBase.ForPath<List<Service.Event>, Void, Timeline.Listener>
        implements ApiContext.Listener {
    private static final Logger LOG = Logger.getLogger(Timeline.class.getName());

    private final Capture capture;
    private final ApiContext context;

    public Timeline(Shell shell, Client client, Capture capture, ApiContext context) {
        super(LOG, shell, client, Listener.class);
        this.capture = capture;
        this.context = context;

        context.addListener(this);
    }

    @Override
    public void onContextsLoaded() {
        onContextSelected(context.getSelectedContext());
    }

    @Override
    public void onContextSelected(FilteringContext ctx) {
        load(events(capture.getData(), ctx), false);
    }

    @Override
    protected ListenableFuture<List<Event>> doLoad(Path.Any path) {
        return Futures.transform(client.get(path), v -> v.getEvents().getListList());
    }

    @Override
    protected void fireLoadStartEvent() {
        listeners.fire().onTimeLineLoadingStart();
    }

    @Override
    protected void fireLoadedEvent() {
        listeners.fire().onTimeLineLoaded();
    }

    public Iterator<Service.Event> getEndOfFrames() {
        return getData().stream().filter(e -> e.getKind() == Service.EventKind.LastInFrame).iterator();
    }

    public static interface Listener extends Events.Listener {
        /**
         * Event indicating that the time line is being loaded.
         */
        public default void onTimeLineLoadingStart() {
            /* empty */ }

        /**
         * Event indicating that the time line has been loaded.
         */
        public default void onTimeLineLoaded() {
            /* empty */ }
    }
}