75 lines
2.0 KiB
Java
75 lines
2.0 KiB
Java
// Copyright (C) 2008 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.gwt.user.client.ui.InlineLabel;
|
|
import com.google.gwt.user.client.ui.Label;
|
|
import com.google.gwt.user.client.ui.RootPanel;
|
|
import com.google.gwtjsonrpc.client.event.RpcCompleteEvent;
|
|
import com.google.gwtjsonrpc.client.event.RpcCompleteHandler;
|
|
import com.google.gwtjsonrpc.client.event.RpcStartEvent;
|
|
import com.google.gwtjsonrpc.client.event.RpcStartHandler;
|
|
|
|
public class RpcStatus implements RpcStartHandler, RpcCompleteHandler {
|
|
public static RpcStatus INSTANCE;
|
|
|
|
private static int hideDepth;
|
|
|
|
/** Execute code, hiding the RPCs they execute from being shown visually. */
|
|
public static void hide(Runnable run) {
|
|
try {
|
|
hideDepth++;
|
|
run.run();
|
|
} finally {
|
|
hideDepth--;
|
|
}
|
|
}
|
|
|
|
private final Label loading;
|
|
private int activeCalls;
|
|
|
|
RpcStatus() {
|
|
loading = new InlineLabel();
|
|
loading.setText(Gerrit.C.rpcStatusWorking());
|
|
loading.setStyleName(Gerrit.RESOURCES.css().rpcStatus());
|
|
loading.setVisible(false);
|
|
RootPanel.get().add(loading);
|
|
}
|
|
|
|
@Override
|
|
public void onRpcStart(RpcStartEvent event) {
|
|
onRpcStart();
|
|
}
|
|
|
|
public void onRpcStart() {
|
|
if (++activeCalls == 1) {
|
|
if (hideDepth == 0) {
|
|
loading.setVisible(true);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onRpcComplete(RpcCompleteEvent event) {
|
|
onRpcComplete();
|
|
}
|
|
|
|
public void onRpcComplete() {
|
|
if (--activeCalls == 0) {
|
|
loading.setVisible(false);
|
|
}
|
|
}
|
|
}
|