public
final
class
XWalkNavigationHistory
extends XWalkNavigationHistoryInternal| java.lang.Object | ||
| ↳ | XWalkNavigationHistoryInternal | |
| ↳ | org.xwalk.core.XWalkNavigationHistory | |
Class Overview
This class represents a navigation history for a XWalkView instance. It's not thread-safe and should be only called on UI thread.
Summary
| Nested Classes | |||||||||||
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| enum | XWalkNavigationHistory.Direction | The direction for web page navigation. | |||||||||
| Public Constructors | |||||||||||
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| XWalkNavigationHistory(XWalkNavigationHistoryInternal internal) | |||||||||||
| Public Methods | |||||||||||
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| boolean |
canGoBack()
Test whether XWalkView can go back.
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| boolean |
canGoForward()
Test whether XWalkView can go forward.
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| void |
clear()
Clear all history owned by this XWalkView.
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| int |
getCurrentIndex()
Get the index for current navigation item.
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| XWalkNavigationItem |
getCurrentItem()
Get the current item which XWalkView displays.
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| XWalkNavigationItem |
getItemAt(int index)
Get a specific item given by index.
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| boolean |
hasItemAt(int index)
Test whether there is an item at a specific index.
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| void |
navigate(XWalkNavigationHistory.Direction direction, int steps)
Navigates to the specified step from the current navigation item.
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| int |
size()
Total size of navigation history for the XWalkView.
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[Expand]
Inherited Methods | |||||||||||
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From class
java.lang.Object
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Public Constructors
public XWalkNavigationHistory (XWalkNavigationHistoryInternal internal)
Public Methods
public boolean canGoBack ()
Test whether XWalkView can go back.
Returns
- true if it can go back.
public boolean canGoForward ()
Test whether XWalkView can go forward.
Returns
- true if it can go forward.
public void clear ()
Clear all history owned by this XWalkView.
public int getCurrentIndex ()
Get the index for current navigation item.
Returns
- current index in the navigation history.
public XWalkNavigationItem getCurrentItem ()
Get the current item which XWalkView displays.
Returns
- the current navigation item.
public XWalkNavigationItem getItemAt (int index)
Get a specific item given by index.
Parameters
| index | the given index. |
|---|
Returns
- the navigation item for the given index.
public boolean hasItemAt (int index)
Test whether there is an item at a specific index.
Parameters
| index | the given index. |
|---|
Returns
- true if there is an item at the specific index.
public void navigate (XWalkNavigationHistory.Direction direction, int steps)
Navigates to the specified step from the current navigation item. Do nothing if the offset is out of bound.
Parameters
| direction | the direction of navigation. |
|---|---|
| steps | go back or foward with a given steps. |
public int size ()
Total size of navigation history for the XWalkView.
Returns
- the size of total navigation items.