01: /*
02: * Copyright 2007 Google Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License. You may obtain a copy of
06: * the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12: * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13: * License for the specific language governing permissions and limitations under
14: * the License.
15: */
16: package com.google.gwt.user.client.impl;
17:
18: import com.google.gwt.user.client.History;
19:
20: /**
21: * Native implementation associated with
22: * {@link com.google.gwt.user.client.History}.
23: */
24: public abstract class HistoryImpl {
25:
26: protected static void onHistoryChanged(String historyToken) {
27: History.onHistoryChanged(historyToken);
28: }
29:
30: public native String getToken() /*-{
31: return $wnd.__gwt_historyToken;
32: }-*/;
33:
34: public abstract boolean init();
35:
36: public abstract void newItem(String historyToken);
37:
38: protected native void setToken(String token) /*-{
39: $wnd.__gwt_historyToken = token;
40: }-*/;
41: }
|