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/*
* 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 elemental.html;
import elemental.events.*;
import elemental.util.*;
import elemental.dom.*;
import elemental.html.*;
import elemental.css.*;
import elemental.stylesheets.*;
import java.util.Date;
/**
* Returns a reference to the History object, which provides an interface for manipulating the browser session history (pages visited in the tab or frame that the current page is loaded in).
*/
public interface History {
/**
* Read-only. Returns the number of elements in the session history, including the currently loaded page. For example, for a page loaded in a new tab this property returns 1.
*/
int getLength();
/**
* Returns the state at the top of the history stack. This is a way to look at the state without having to wait for a popstate event. Read only.
*/
Object getState();
/**
* Goes to the previous page in session history, the same action as when the user clicks the browser's Back button. Equivalent to history.go(-1).
Note: Calling this method to go back beyond the first page in the session history has no effect and doesn't raise an exception.
*/
void back();
/**
* Goes to the next page in session history, the same action as when the user clicks the browser's Forward button; this is equivalent to history.go(1).
Note: Calling this method to go back beyond the last page in the session history has no effect and doesn't raise an exception.
*/
void forward();
/**
* Loads a page from the session history, identified by its relative location to the current page, for example -1 for the previous page or 1 for the next page. When integerDelta is out of bounds (e.g. -1 when there are no previously visited pages in the session history), the method doesn't do anything and doesn't raise an exception. Calling go() without parameters or with a non-integer argument has no effect (unlike Internet Explorer, which supports string URLs as the argument).
*/
void go(int distance);
/**
* Pushes the given data onto the session history stack with the specified title and, if provided, URL. The data is treated as opaque by the DOM; you may specify any JavaScript object that can be serialized. Note that Firefox currently ignores the title parameter; for more information, see manipulating the browser history.
Note: In Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
through Gecko 5.0 (Firefox 5.0 / Thunderbird 5.0 / SeaMonkey 2.2)
, the passed object is serialized using JSON. Starting in Gecko 6.0 (Firefox 6.0 / Thunderbird 6.0 / SeaMonkey 2.3)
, the object is serialized using the structured clone algorithm. This allows a wider variety of objects to be safely passed.
*/
void pushState(Object data, String title);
/**
* Pushes the given data onto the session history stack with the specified title and, if provided, URL. The data is treated as opaque by the DOM; you may specify any JavaScript object that can be serialized. Note that Firefox currently ignores the title parameter; for more information, see manipulating the browser history.
Note: In Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
through Gecko 5.0 (Firefox 5.0 / Thunderbird 5.0 / SeaMonkey 2.2)
, the passed object is serialized using JSON. Starting in Gecko 6.0 (Firefox 6.0 / Thunderbird 6.0 / SeaMonkey 2.3)
, the object is serialized using the structured clone algorithm. This allows a wider variety of objects to be safely passed.
*/
void pushState(Object data, String title, String url);
/**
* Updates the most recent entry on the history stack to have the specified data, title, and, if provided, URL. The data is treated as opaque by the DOM; you may specify any JavaScript object that can be serialized. Note that Firefox currently ignores the title parameter; for more information, see manipulating the browser history.
Note: In Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
through Gecko 5.0 (Firefox 5.0 / Thunderbird 5.0 / SeaMonkey 2.2)
, the passed object is serialized using JSON. Starting in Gecko 6.0 (Firefox 6.0 / Thunderbird 6.0 / SeaMonkey 2.3)
, the object is serialized using the structured clone algorithm. This allows a wider variety of objects to be safely passed.
*/
void replaceState(Object data, String title);
/**
* Updates the most recent entry on the history stack to have the specified data, title, and, if provided, URL. The data is treated as opaque by the DOM; you may specify any JavaScript object that can be serialized. Note that Firefox currently ignores the title parameter; for more information, see manipulating the browser history.
Note: In Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
through Gecko 5.0 (Firefox 5.0 / Thunderbird 5.0 / SeaMonkey 2.2)
, the passed object is serialized using JSON. Starting in Gecko 6.0 (Firefox 6.0 / Thunderbird 6.0 / SeaMonkey 2.3)
, the object is serialized using the structured clone algorithm. This allows a wider variety of objects to be safely passed.
*/
void replaceState(Object data, String title, String url);
}