org.cef.handler

接口 CefFocusHandler

所有已知实现类:

CefClient, CefFocusHandlerAdapter

public interface CefFocusHandler

Implement this interface to handle events related to focus. The methods of this class will be called on the UI thread.

实现此接口以处理与焦点相关的事件。将在UI线程上调用此类的方法。

嵌套类概要

嵌套类

限定符和类型	接口和说明
static class	CefFocusHandler.FocusSource Focus sources. 焦点来源。

方法概要

限定符和类型	方法和说明
void	onGotFocus(CefBrowser browser) Called when the browser component has received focus. 在浏览器组件获得焦点时调用。
boolean	onSetFocus(CefBrowser browser, CefFocusHandler.FocusSource source) Called when the browser component is requesting focus. 在浏览器组件请求焦点时调用。
void	onTakeFocus(CefBrowser browser, boolean next) Called when the browser component is about to loose focus. 当浏览器组件即将松散焦点时调用。

方法详细资料

onGotFocus

void onGotFocus(CefBrowser browser)

Called when the browser component has received focus.

在浏览器组件获得焦点时调用。

参数:

browser - The browser generating the event. - 生成事件的浏览器。

onSetFocus

boolean onSetFocus(CefBrowser browser,
                   CefFocusHandler.FocusSource source)

Called when the browser component is requesting focus.

在浏览器组件请求焦点时调用。

参数:

browser - The browser generating the event. - 生成事件的浏览器。

source - indicates/ where the focus request is originating from. - 指示/焦点请求源自何处。

返回:

false to allow the focus to be set or true to cancel setting the focus. false表示允许焦点设置或true表示取消设置焦点。

onTakeFocus

void onTakeFocus(CefBrowser browser,
                 boolean next)

Called when the browser component is about to loose focus. For instance, if focus was on the last HTML element and the user pressed the TAB key.

当浏览器组件即将松散焦点时调用。例如，如果焦点位于最后一个HTML元素上，并且用户按下了TAB键。

参数:

browser - The browser generating the event. - 生成事件的浏览器。

next - will be true if the browser is giving focus to the next component and false if the browser is giving focus to the previous component. - 如果浏览器将焦点放在下一个组件上，则为true;如果浏览器将焦点放在前一个组件上，则为false。