com.google.gerrit.client.MessageOfTheDayBar.java Source code

Introduction

Here is the source code for com.google.gerrit.client.MessageOfTheDayBar.java

Source

// Copyright (C) 2014 The Android Open Source Project
//
// 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.gerrit.client;

import com.google.gerrit.common.data.HostPageData;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Cookies;
import com.google.gwt.user.client.ui.Anchor;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwtexpui.safehtml.client.SafeHtml;
import com.google.gwtexpui.safehtml.client.SafeHtmlBuilder;
import java.util.ArrayList;
import java.util.List;

/** Displays pending messages from the server. */
class MessageOfTheDayBar extends Composite {
    interface Binder extends UiBinder<HTMLPanel, MessageOfTheDayBar> {
    }

    private static final Binder uiBinder = GWT.create(Binder.class);

    private final List<HostPageData.Message> motd;
    @UiField
    HTML message;
    @UiField
    Anchor dismiss;

    MessageOfTheDayBar(List<HostPageData.Message> motd) {
        this.motd = filter(motd);
        initWidget(uiBinder.createAndBindUi(this));

        SafeHtmlBuilder b = new SafeHtmlBuilder();
        if (this.motd.size() == 1) {
            b.append(SafeHtml.asis(this.motd.get(0).html));
        } else {
            for (HostPageData.Message m : this.motd) {
                b.openDiv();
                b.append(SafeHtml.asis(m.html));
                b.openElement("hr");
                b.closeSelf();
                b.closeDiv();
            }
        }
        message.setHTML(b);
    }

    void show() {
        if (!motd.isEmpty()) {
            RootPanel.get().add(this);
        }
    }

    @UiHandler("dismiss")
    void onDismiss(@SuppressWarnings("unused") ClickEvent e) {
        removeFromParent();

        for (HostPageData.Message m : motd) {
            Cookies.setCookie(cookieName(m), "1", m.redisplay);
        }
    }

    private static List<HostPageData.Message> filter(List<HostPageData.Message> in) {
        List<HostPageData.Message> show = new ArrayList<>();
        for (HostPageData.Message m : in) {
            if (Cookies.getCookie(cookieName(m)) == null) {
                show.add(m);
            }
        }
        return show;
    }

    private static String cookieName(HostPageData.Message m) {
        return "msg-" + m.id;
    }
}