org.cef

类 CefClient

java.lang.Object

org.cef.handler.CefClientHandler

org.cef.CefClient

所有已实现的接口:

CefNative, CefContextMenuHandler, CefDialogHandler, CefDisplayHandler, CefDownloadHandler, CefDragHandler, CefFocusHandler, CefJSDialogHandler, CefKeyboardHandler, CefLifeSpanHandler, CefLoadHandler, CefRenderHandler, CefRequestHandler, CefWindowHandler

public class CefClient
extends CefClientHandler
implements CefContextMenuHandler, CefDialogHandler, CefDisplayHandler, CefDownloadHandler, CefDragHandler, CefFocusHandler, CefJSDialogHandler, CefKeyboardHandler, CefLifeSpanHandler, CefLoadHandler, CefRenderHandler, CefRequestHandler, CefWindowHandler

Client that owns a browser and renderer. (拥有浏览器和渲染器的客户端。)

嵌套类概要

从接口继承的嵌套类/接口 org.cef.handler.CefDialogHandler

CefDialogHandler.FileDialogMode

从接口继承的嵌套类/接口 org.cef.handler.CefDragHandler

CefDragHandler.DragOperationMask

从接口继承的嵌套类/接口 org.cef.handler.CefFocusHandler

CefFocusHandler.FocusSource

从接口继承的嵌套类/接口 org.cef.handler.CefJSDialogHandler

CefJSDialogHandler.JSDialogType

从接口继承的嵌套类/接口 org.cef.handler.CefKeyboardHandler

CefKeyboardHandler.CefKeyEvent

从接口继承的嵌套类/接口 org.cef.handler.CefLoadHandler

CefLoadHandler.ErrorCode

从接口继承的嵌套类/接口 org.cef.handler.CefRequestHandler

CefRequestHandler.TerminationStatus

方法概要

限定符和类型	方法和说明
CefClient	addContextMenuHandler(CefContextMenuHandler handler)
CefClient	addDialogHandler(CefDialogHandler handler)
CefClient	addDisplayHandler(CefDisplayHandler handler)
CefClient	addDownloadHandler(CefDownloadHandler handler)
CefClient	addDragHandler(CefDragHandler handler)
CefClient	addFocusHandler(CefFocusHandler handler)
CefClient	addJSDialogHandler(CefJSDialogHandler handler)
CefClient	addKeyboardHandler(CefKeyboardHandler handler)
CefClient	addLifeSpanHandler(CefLifeSpanHandler handler)
CefClient	addLoadHandler(CefLoadHandler handler)
void	addMessageRouter(CefMessageRouter messageRouter)
CefClient	addRequestHandler(CefRequestHandler handler)
CefBrowser	createBrowser(java.lang.String url, boolean isOffscreenRendered, boolean isTransparent)
CefBrowser	createBrowser(java.lang.String url, boolean isOffscreenRendered, boolean isTransparent, CefRequestContext context)
void	dispose()
boolean	doClose(CefBrowser browser) Called when a browser has received a request to close. (当浏览器收到关闭请求时调用。)
protected java.lang.Object[]	getAllBrowser() Returns a list of all browser instances. (返回所有浏览器实例的列表。)
boolean	getAuthCredentials(CefBrowser browser, CefFrame frame, boolean isProxy, java.lang.String host, int port, java.lang.String realm, java.lang.String scheme, CefAuthCallback callback) Called on the IO thread when the browser needs credentials from the user. (当浏览器需要用户的凭据时，在IO线程上调用。)
protected CefBrowser	getBrowser(int identifier) Returns the java part of the browser implementation. (返回浏览器实现的java部分。)
protected CefContextMenuHandler	getContextMenuHandler() Return the handler for context menus. (返回上下文菜单的处理程序。)
protected CefDialogHandler	getDialogHandler() Return the handler for dialogs. (返回对话框的处理程序。)
protected CefDisplayHandler	getDisplayHandler() Return the handler for browser display state events. (返回处理程序以获取浏览器显示状态事件。)
protected CefDownloadHandler	getDownloadHandler() Return the handler for download events. (返回下载事件的处理程序。)
protected CefDragHandler	getDragHandler() Return the handler for drag events. (返回处理程序以进行拖动事件。)
protected CefFocusHandler	getFocusHandler() Return the handler for focus events. (返回处理程序以获取焦点事件。)
protected CefJSDialogHandler	getJSDialogHandler() Return the handler for javascript dialog requests. (返回javascript对话框请求的处理程序。)
protected CefKeyboardHandler	getKeyboardHandler() Return the handler for keyboard events. (返回键盘事件的处理程序。)
protected CefLifeSpanHandler	getLifeSpanHandler() Return the handler for browser life span events. (返回处理程序的浏览器寿命事件。)
protected CefLoadHandler	getLoadHandler() Return the handler for browser load status events. (返回处理程序以获取浏览器加载状态事件。)
java.awt.Rectangle	getRect(CefBrowser browser) Retrieve the view rectangle. (检索视图矩形。)
protected CefRenderHandler	getRenderHandler() Return the handler for off-screen rendering events. (返回用于屏幕外渲染事件的处理程序。)
protected CefRequestHandler	getRequestHandler() Return the handler for browser request events. (返回处理程序以处理浏览器请求事件。)
CefResourceRequestHandler	getResourceRequestHandler(CefBrowser browser, CefFrame frame, CefRequest request, boolean isNavigation, boolean isDownload, java.lang.String requestInitiator, BoolRef disableDefaultHandling) Called on the IO thread before a resource request is initiated. (在启动资源请求之前在IO线程上调用。)
java.awt.Point	getScreenPoint(CefBrowser browser, java.awt.Point viewPoint) Retrieve the screen point for the specified view point. (检索指定视点的屏幕点。)
java.awt.Rectangle	getViewRect(CefBrowser browser) Retrieve the view rectangle. (检索视图矩形。)
protected CefWindowHandler	getWindowHandler() Return the handler for windowed rendering events. (返回窗口渲染事件的处理程序。)
void	onAddressChange(CefBrowser browser, CefFrame frame, java.lang.String url) Handle address changes. (处理地址更改。)
void	onAfterCreated(CefBrowser browser) Handle creation of a new browser window. (处理新浏览器窗口的创建。)
void	onAfterParentChanged(CefBrowser browser) Called after a browser's native parent window has changed. (在浏览器的本机父窗口更改后调用。)
boolean	onBeforeBrowse(CefBrowser browser, CefFrame frame, CefRequest request, boolean user_gesture, boolean is_redirect) Called on the UI thread before browser navigation. (浏览器导航之前在UI线程上调用。)
void	onBeforeClose(CefBrowser browser) Called just before a browser is destroyed. (在浏览器被销毁之前调用。)
void	onBeforeContextMenu(CefBrowser browser, CefFrame frame, CefContextMenuParams params, CefMenuModel model) Called before a context menu is displayed. (在显示上下文菜单之前调用。)
void	onBeforeDownload(CefBrowser browser, CefDownloadItem downloadItem, java.lang.String suggestedName, CefBeforeDownloadCallback callback) Called before a download begins. (在下载开始之前调用。)
boolean	onBeforePopup(CefBrowser browser, CefFrame frame, java.lang.String target_url, java.lang.String target_frame_name) Called on the IO thread before a new popup window is created. (在创建新的弹出窗口之前在IO线程上调用。)
boolean	onBeforeUnloadDialog(CefBrowser browser, java.lang.String message_text, boolean is_reload, CefJSDialogCallback callback) Called to run a dialog asking the user if they want to leave a page. (调用此命令可运行一个对话框，询问用户是否要离开页面。)
boolean	onCertificateError(CefBrowser browser, CefLoadHandler.ErrorCode cert_error, java.lang.String request_url, CefRequestCallback callback) Called on the UI thread to handle requests for URLs with an invalid SSL certificate. (在UI线程上调用，以处理带有无效SSL证书的URL请求。)
boolean	onConsoleMessage(CefBrowser browser, CefSettings.LogSeverity level, java.lang.String message, java.lang.String source, int line) Called to display a console message. (调用以显示控制台消息。)
boolean	onContextMenuCommand(CefBrowser browser, CefFrame frame, CefContextMenuParams params, int commandId, int eventFlags) Called to execute a command selected from the context menu. (调用以执行从上下文菜单中选择的命令。)
void	onContextMenuDismissed(CefBrowser browser, CefFrame frame) Called when the context menu is dismissed irregardless of whether the menu was empty or a command was selected. (无论上下文菜单为空还是选择了命令，均关闭上下文菜单时调用。)
void	onCursorChange(CefBrowser browser, int cursorType) Handle cursor changes. (处理光标更改。)
void	onDialogClosed(CefBrowser browser) Called when the default implementation dialog is closed. (关闭默认实现对话框时调用。)
void	onDownloadUpdated(CefBrowser browser, CefDownloadItem downloadItem, CefDownloadItemCallback callback) Called when a download's status or progress information has been updated. (当下载状态或进度信息已更新时调用。)
boolean	onDragEnter(CefBrowser browser, CefDragData dragData, int mask) Called when an external drag event enters the browser window. (当外部拖动事件进入浏览器窗口时调用。)
boolean	onFileDialog(CefBrowser browser, CefDialogHandler.FileDialogMode mode, java.lang.String title, java.lang.String defaultFilePath, java.util.Vector<java.lang.String> acceptFilters, int selectedAcceptFilter, CefFileDialogCallback callback) Called to run a file chooser dialog. (调用以运行文件选择器对话框。)
void	onGotFocus(CefBrowser browser) Called when the browser component has received focus. (当浏览器组件获得焦点时调用。)
boolean	onJSDialog(CefBrowser browser, java.lang.String origin_url, CefJSDialogHandler.JSDialogType dialog_type, java.lang.String message_text, java.lang.String default_prompt_text, CefJSDialogCallback callback, BoolRef suppress_message) Called to run a JavaScript dialog. (调用以运行JavaScript对话框。)
boolean	onKeyEvent(CefBrowser browser, CefKeyboardHandler.CefKeyEvent event) Called after the renderer and JavaScript in the page has had a chance to handle the event. (在页面中的渲染器和JavaScript有机会处理该事件之后调用。)
void	onLoadEnd(CefBrowser browser, CefFrame frame, int httpStatusCode) Called when the browser is done loading a frame. (当浏览器完成加载框架时调用。)
void	onLoadError(CefBrowser browser, CefFrame frame, CefLoadHandler.ErrorCode errorCode, java.lang.String errorText, java.lang.String failedUrl) Called when the resource load for a navigation fails or is canceled. (当导航的资源加载失败或被取消时调用。)
void	onLoadingStateChange(CefBrowser browser, boolean isLoading, boolean canGoBack, boolean canGoForward) Called when the loading state has changed. (加载状态更改时调用。)
void	onLoadStart(CefBrowser browser, CefFrame frame, CefRequest.TransitionType transitionType) Called when the browser begins loading a frame. (当浏览器开始加载框架时调用。)
void	onMouseEvent(CefBrowser browser, int event, int screenX, int screenY, int modifier, int button) Implement this method to handle mouse events on Windows. (在Windows上实现此方法以处理鼠标事件。)
void	onPaint(CefBrowser browser, boolean popup, java.awt.Rectangle[] dirtyRects, java.nio.ByteBuffer buffer, int width, int height) Handle painting. (处理绘画。)
void	onPluginCrashed(CefBrowser browser, java.lang.String pluginPath) Called on the browser process UI thread when a plugin has crashed. (插件崩溃时在浏览器进程UI线程上调用。)
void	onPopupShow(CefBrowser browser, boolean show) Show or hide the popup window. (显示或隐藏弹出窗口。)
void	onPopupSize(CefBrowser browser, java.awt.Rectangle size) Size the popup window. (调整弹出窗口的大小。)
boolean	onPreKeyEvent(CefBrowser browser, CefKeyboardHandler.CefKeyEvent event, BoolRef is_keyboard_shortcut) Called before a keyboard event is sent to the renderer. (在键盘事件发送到渲染器之前调用。)
boolean	onQuotaRequest(CefBrowser browser, java.lang.String origin_url, long new_size, CefRequestCallback callback) Called on the IO thread when JavaScript requests a specific storage quota size via the webkitStorageInfo.requestQuota function. (当JavaScript通过webkitStorageInfo.requestQuota函数请求特定的存储配额大小时，在IO线程上调用。)
void	onRenderProcessTerminated(CefBrowser browser, CefRequestHandler.TerminationStatus status) Called on the browser process UI thread when the render process terminates unexpectedly. (当呈现进程意外终止时，在浏览器进程UI线程上调用。)
void	onResetDialogState(CefBrowser browser) Called to cancel any pending dialogs and reset any saved dialog state. (调用以取消所有未决的对话框并重置所有保存的对话框状态。)
boolean	onSetFocus(CefBrowser browser, CefFocusHandler.FocusSource source) Called when the browser component is requesting focus. (当浏览器组件正在请求焦点时调用。)
void	onStatusMessage(CefBrowser browser, java.lang.String value) Called when the browser receives a status message. (当浏览器收到状态消息时调用。)
void	onTakeFocus(CefBrowser browser, boolean next) Called when the browser component is about to loose focus. (当浏览器组件即将失去焦点时调用。)
void	onTitleChange(CefBrowser browser, java.lang.String title) Handle title changes. (处理标题更改。)
boolean	onTooltip(CefBrowser browser, java.lang.String text) Called when the browser is about to display a tooltip. (当浏览器将要显示工具提示时调用。)
void	removeContextMenuHandler()
void	removeDialogHandler()
void	removeDisplayHandler()
void	removeDownloadHandler()
void	removeDragHandler()
void	removeFocusHandler()
void	removeJSDialogHandler()
void	removeKeyboardHandler()
void	removeLifeSpanHandler()
void	removeLoadHandler()
void	removeMessageRouter(CefMessageRouter messageRouter)
void	removeRequestHandler()
boolean	startDragging(CefBrowser browser, CefDragData dragData, int mask, int x, int y) Called when the user starts dragging content in the web view. (当用户开始在Web视图中拖动内容时调用。)
void	updateDragCursor(CefBrowser browser, int operation) Called when the web view wants to update the mouse cursor during a drag & drop operation. (在拖放操作期间Web视图要更新鼠标光标时调用。)

从类继承的方法 org.cef.handler.CefClientHandler

getNativeRef, removeContextMenuHandler, removeDialogHandler, removeDisplayHandler, removeDownloadHandler, removeDragHandler, removeFocusHandler, removeJSDialogHandler, removeKeyboardHandler, removeLifeSpanHandler, removeLoadHandler, removeRenderHandler, removeRequestHandler, removeWindowHandler, setNativeRef

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细资料

addContextMenuHandler

public CefClient addContextMenuHandler(CefContextMenuHandler handler)

addDialogHandler

public CefClient addDialogHandler(CefDialogHandler handler)

addDisplayHandler

public CefClient addDisplayHandler(CefDisplayHandler handler)

addDownloadHandler

public CefClient addDownloadHandler(CefDownloadHandler handler)

addDragHandler

public CefClient addDragHandler(CefDragHandler handler)

addFocusHandler

public CefClient addFocusHandler(CefFocusHandler handler)

addJSDialogHandler

public CefClient addJSDialogHandler(CefJSDialogHandler handler)

addKeyboardHandler

public CefClient addKeyboardHandler(CefKeyboardHandler handler)

addLifeSpanHandler

public CefClient addLifeSpanHandler(CefLifeSpanHandler handler)

addLoadHandler

public CefClient addLoadHandler(CefLoadHandler handler)

addMessageRouter

public void addMessageRouter(CefMessageRouter messageRouter)

覆盖:

addMessageRouter 在类中 CefClientHandler

addRequestHandler

public CefClient addRequestHandler(CefRequestHandler handler)

createBrowser

public CefBrowser createBrowser(java.lang.String url,
                                boolean isOffscreenRendered,
                                boolean isTransparent)

createBrowser

public CefBrowser createBrowser(java.lang.String url,
                                boolean isOffscreenRendered,
                                boolean isTransparent,
                                CefRequestContext context)

dispose

public void dispose()

覆盖:

dispose 在类中 CefClientHandler

doClose

public boolean doClose(CefBrowser browser)

从接口复制的说明: CefLifeSpanHandler

Called when a browser has received a request to close. If CEF created an OS window for the browser returning false will send an OS close notification to the browser window's top-level owner (e.g. WM_CLOSE on Windows, performClose: on OS-X and "delete_event" on Linux). If no OS window exists (window rendering disabled) returning false will cause the browser object to be destroyed immediately. Return true if the browser is parented to another window and that other window needs to receive close notification via some non-standard technique. (当浏览器收到关闭请求时调用。如果CEF为浏览器创建了OS窗口，则返回false将向浏览器窗口的顶级所有者发送OS关闭通知（例如，在Windows上为WM_CLOSE，在OS-X上为performClose ：，在Linux上为“ delete_event”）。如果不存在OS窗口（禁用窗口渲染），则返回false将立即破坏浏览器对象。如果浏览器是另一个窗口的父级，并且另一个窗口需要通过某种非标准技术接收关闭通知，则返回true。)

指定者:

doClose 在接口中 CefLifeSpanHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

返回:

False to send an OS close notification to the browser window's top-level owner. (将操作系统关闭通知发送到浏览器窗口的顶级所有者为False。)

getAllBrowser

protected java.lang.Object[] getAllBrowser()

从类复制的说明: CefClientHandler

Returns a list of all browser instances. (返回所有浏览器实例的列表。)

指定者:

getAllBrowser 在类中 CefClientHandler

返回:

an array of browser Instances. (浏览器实例的数组。)

getAuthCredentials

public boolean getAuthCredentials(CefBrowser browser,
                                  CefFrame frame,
                                  boolean isProxy,
                                  java.lang.String host,
                                  int port,
                                  java.lang.String realm,
                                  java.lang.String scheme,
                                  CefAuthCallback callback)

从接口复制的说明: CefRequestHandler

Called on the IO thread when the browser needs credentials from the user. (当浏览器需要用户的凭据时，在IO线程上调用。)

指定者:

getAuthCredentials 在接口中 CefRequestHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

frame - The frame generating the event. Instance only valid within the scope of this method. (-生成事件的框架。实例仅在此方法的范围内有效。)

isProxy - True if the host is a proxy server. (-如果主机是代理服务器，则为true。)

host - Hostname. (- 主机名。)

port - Port number. (-端口号。)

realm - Realm of the request. (-请求的领域。)

scheme - Scheme of the request. (-请求方案。)

callback - Call CefAuthCallback.Continue() when the authentication information is available. (-当身份验证信息可用时，调用CefAuthCallback.Continue（）。)

返回:

True to continue the request (callback must be executed) or false to cancel. (如果为True，则继续请求（必须执行回调）；如果为false，则取消。)

getBrowser

protected CefBrowser getBrowser(int identifier)

从类复制的说明: CefClientHandler

Returns the java part of the browser implementation. (返回浏览器实现的java部分。)

指定者:

getBrowser 在类中 CefClientHandler

返回:

The found browser or null if none is found. (找到的浏览器；如果找不到，则为null。)

getContextMenuHandler

protected CefContextMenuHandler getContextMenuHandler()

从类复制的说明: CefClientHandler

Return the handler for context menus. If no handler is provided the default implementation will be used. (返回上下文菜单的处理程序。如果未提供处理程序，则将使用默认实现。)

指定者:

getContextMenuHandler 在类中 CefClientHandler

getDialogHandler

protected CefDialogHandler getDialogHandler()

从类复制的说明: CefClientHandler

Return the handler for dialogs. If no handler is provided the default implementation will be used. (返回对话框的处理程序。如果未提供处理程序，则将使用默认实现。)

指定者:

getDialogHandler 在类中 CefClientHandler

getDisplayHandler

protected CefDisplayHandler getDisplayHandler()

从类复制的说明: CefClientHandler

Return the handler for browser display state events. This method is a callback method and is called by the native code. (返回处理程序以获取浏览器显示状态事件。此方法是一个回调方法，由本机代码调用。)

指定者:

getDisplayHandler 在类中 CefClientHandler

getDownloadHandler

protected CefDownloadHandler getDownloadHandler()

从类复制的说明: CefClientHandler

Return the handler for download events. This method is a callback method and is called by the native code. (返回下载事件的处理程序。此方法是一种回调方法，并由本机代码调用。)

指定者:

getDownloadHandler 在类中 CefClientHandler

getDragHandler

protected CefDragHandler getDragHandler()

从类复制的说明: CefClientHandler

Return the handler for drag events. This method is a callback method and is called by the native code. (返回处理程序以进行拖动事件。此方法是一个回调方法，由本机代码调用。)

指定者:

getDragHandler 在类中 CefClientHandler

getFocusHandler

protected CefFocusHandler getFocusHandler()

从类复制的说明: CefClientHandler

Return the handler for focus events. This method is a callback method and is called by the native code. (返回处理程序以获取焦点事件。此方法是一种回调方法，并由本机代码调用。)

指定者:

getFocusHandler 在类中 CefClientHandler

getJSDialogHandler

protected CefJSDialogHandler getJSDialogHandler()

从类复制的说明: CefClientHandler

Return the handler for javascript dialog requests. This method is a callback method and is called by the native code. (返回javascript对话框请求的处理程序。此方法是一种回调方法，并由本机代码调用。)

指定者:

getJSDialogHandler 在类中 CefClientHandler

getKeyboardHandler

protected CefKeyboardHandler getKeyboardHandler()

从类复制的说明: CefClientHandler

Return the handler for keyboard events. This method is a callback method and is called by the native code. (返回键盘事件的处理程序。此方法是一种回调方法，并由本机代码调用。)

指定者:

getKeyboardHandler 在类中 CefClientHandler

getLifeSpanHandler

protected CefLifeSpanHandler getLifeSpanHandler()

从类复制的说明: CefClientHandler

Return the handler for browser life span events. This method is a callback method and is called by the native code. (返回处理程序的浏览器寿命事件。此方法是一种回调方法，并由本机代码调用。)

指定者:

getLifeSpanHandler 在类中 CefClientHandler

getLoadHandler

protected CefLoadHandler getLoadHandler()

从类复制的说明: CefClientHandler

Return the handler for browser load status events. This method is a callback method and is called by the native code. (返回处理程序以获取浏览器加载状态事件。此方法是一个回调方法，由本机代码调用。)

指定者:

getLoadHandler 在类中 CefClientHandler

getRect

public java.awt.Rectangle getRect(CefBrowser browser)

从接口复制的说明: CefWindowHandler

Retrieve the view rectangle. (检索视图矩形。)

指定者:

getRect 在接口中 CefWindowHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

返回:

The view rectangle. (视图矩形。)

getRenderHandler

protected CefRenderHandler getRenderHandler()

从类复制的说明: CefClientHandler

Return the handler for off-screen rendering events. This method is a callback method and is called by the native code. (返回用于屏幕外渲染事件的处理程序。此方法是一个回调方法，由本机代码调用。)

指定者:

getRenderHandler 在类中 CefClientHandler

getRequestHandler

protected CefRequestHandler getRequestHandler()

从类复制的说明: CefClientHandler

Return the handler for browser request events. This method is a callback method and is called by the native code. (返回处理程序以处理浏览器请求事件。此方法是一个回调方法，由本机代码调用。)

指定者:

getRequestHandler 在类中 CefClientHandler

getResourceRequestHandler

public CefResourceRequestHandler getResourceRequestHandler(CefBrowser browser,
                                                           CefFrame frame,
                                                           CefRequest request,
                                                           boolean isNavigation,
                                                           boolean isDownload,
                                                           java.lang.String requestInitiator,
                                                           BoolRef disableDefaultHandling)

从接口复制的说明: CefRequestHandler

Called on the IO thread before a resource request is initiated. The |browser| and |frame| values represent the source of the request. If this callback returns null the same method will be called on the associated CefRequestContextHandler, if any. (在启动资源请求之前在IO线程上调用。 |浏览器|和| frame |值代表请求的来源。如果此回调返回null，则将在关联的CefRequestContextHandler上调用相同的方法（如果有）。)

指定者:

getResourceRequestHandler 在接口中 CefRequestHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

frame - The frame generating the event. Instance only valid within the scope of this method. (-生成事件的框架。实例仅在此方法的范围内有效。)

request - The request itself. Cannot be modified in this callback. Instance only valid within the scope of this method. (-请求本身。无法在此回调中修改。实例仅在此方法的范围内有效。)

isNavigation - True if the resource request is a navigation. (-如果资源请求是导航，则为true。)

isDownload - True if the resource request is a download. (-如果资源请求是下载，则为true。)

requestInitiator - The origin (scheme + domain) of the page that initiated the request. (-发起请求的页面的来源（方案+域）。)

disableDefaultHandling - Set to true to disable default handling of the request, in which case it will need to be handled via CefResourceRequestHandler.getResourceHandler or it will be canceled. (-设置为true可禁用请求的默认处理，在这种情况下，需要通过CefResourceRequestHandler.getResourceHandler进行处理，否则将被取消。)

返回:

A CefResourceRequestHandler instance or null. (CefResourceRequestHandler实例，或者为null。)

getScreenPoint

public java.awt.Point getScreenPoint(CefBrowser browser,
                                     java.awt.Point viewPoint)

从接口复制的说明: CefRenderHandler

Retrieve the screen point for the specified view point. (检索指定视点的屏幕点。)

指定者:

getScreenPoint 在接口中 CefRenderHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

viewPoint - The point in the view. (-视图中的点。)

返回:

The screen point. (屏幕点。)

getViewRect

public java.awt.Rectangle getViewRect(CefBrowser browser)

从接口复制的说明: CefRenderHandler

Retrieve the view rectangle. (检索视图矩形。)

指定者:

getViewRect 在接口中 CefRenderHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

返回:

The view rectangle. (视图矩形。)

getWindowHandler

protected CefWindowHandler getWindowHandler()

从类复制的说明: CefClientHandler

Return the handler for windowed rendering events. This method is a callback method and is called by the native code. (返回窗口渲染事件的处理程序。此方法是一种回调方法，并由本机代码调用。)

指定者:

getWindowHandler 在类中 CefClientHandler

onAddressChange

public void onAddressChange(CefBrowser browser,
                            CefFrame frame,
                            java.lang.String url)

从接口复制的说明: CefDisplayHandler

Handle address changes. (处理地址更改。)

指定者:

onAddressChange 在接口中 CefDisplayHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

frame - The frame generating the event. (-生成事件的框架。)

url - The new address. (-新地址。)

onAfterCreated

public void onAfterCreated(CefBrowser browser)

从接口复制的说明: CefLifeSpanHandler

Handle creation of a new browser window. (处理新浏览器窗口的创建。)

指定者:

onAfterCreated 在接口中 CefLifeSpanHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

onAfterParentChanged

public void onAfterParentChanged(CefBrowser browser)

从接口复制的说明: CefLifeSpanHandler

Called after a browser's native parent window has changed. (在浏览器的本机父窗口更改后调用。)

指定者:

onAfterParentChanged 在接口中 CefLifeSpanHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

onBeforeBrowse

public boolean onBeforeBrowse(CefBrowser browser,
                              CefFrame frame,
                              CefRequest request,
                              boolean user_gesture,
                              boolean is_redirect)

从接口复制的说明: CefRequestHandler

Called on the UI thread before browser navigation. CefLoadHandler.onLoadingStateChange() will be called twice in all cases. If the navigation is allowed CefLoadHandler.onLoadStart() and CefLoadHandler.onLoadEnd() will be called. If the navigation is canceled CefLoadHandler.onLoadError() will be called with an errorCode value of ERR_ABORTED. (浏览器导航之前在UI线程上调用。在所有情况下，CefLoadHandler.onLoadingStateChange（）将被调用两次。如果允许导航，则将调用CefLoadHandler.onLoadStart（）和CefLoadHandler.onLoadEnd（）。如果取消导航，则将使用errorCode值ERR_ABORTED调用CefLoadHandler.onLoadError（）。)

指定者:

onBeforeBrowse 在接口中 CefRequestHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

frame - The frame generating the event. Instance only valid within the scope of this method. (-生成事件的框架。实例仅在此方法的范围内有效。)

request - The request itself. Cannot be modified in this callback. Instance only valid within the scope of this method. (-请求本身。无法在此回调中修改。实例仅在此方法的范围内有效。)

user_gesture - True if the request was initiated by a user gesture. (-如果请求是由用户手势发起的，则为True。)

is_redirect - True if the request was redirected. (-如果请求已重定向，则为true。)

返回:

True to cancel the navigation or false to continue. (如果为True，则取消导航；如果为false，则继续。)

onBeforeClose

public void onBeforeClose(CefBrowser browser)

从接口复制的说明: CefLifeSpanHandler

Called just before a browser is destroyed. Release all references to the browser object and do not attempt to execute any methods on the browser object after this callback returns. If this is a modal window and a custom modal loop implementation was provided in runModal() this callback should be used to exit the custom modal loop. See doClose() documentation for additional usage information. (在浏览器被销毁之前调用。释放所有对浏览器对象的引用，并且在此回调返回之后，不要尝试对浏览器对象执行任何方法。如果这是模态窗口，并且在runModal（）中提供了自定义模态循环实现，则应使用此回调退出自定义模态循环。有关其他用法信息，请参见doClose（）文档。)

指定者:

onBeforeClose 在接口中 CefLifeSpanHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

onBeforeContextMenu

public void onBeforeContextMenu(CefBrowser browser,
                                CefFrame frame,
                                CefContextMenuParams params,
                                CefMenuModel model)

从接口复制的说明: CefContextMenuHandler

Called before a context menu is displayed. (在显示上下文菜单之前调用。)

指定者:

onBeforeContextMenu 在接口中 CefContextMenuHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

frame - The frame generating the event. Instance only valid within the scope of this method. (-生成事件的框架。实例仅在此方法的范围内有效。)

params - Provides information about the context menu state. Instance only valid within the scope of this method. (-提供有关上下文菜单状态的信息。实例仅在此方法的范围内有效。)

model - Can be cleared to show no context menu or modified to show a custom menu. Instance only valid within the scope of this method. (-可以清除为不显示上下文菜单，也可以修改为显示自定义菜单。实例仅在此方法的范围内有效。)

onBeforeDownload

public void onBeforeDownload(CefBrowser browser,
                             CefDownloadItem downloadItem,
                             java.lang.String suggestedName,
                             CefBeforeDownloadCallback callback)

从接口复制的说明: CefDownloadHandler

Called before a download begins. By default the download will be canceled. Execute callback either asynchronously or in this method to continue the download if desired. (在下载开始之前调用。默认情况下，下载将被取消。异步执行回调或使用此方法执行回调以根据需要继续下载。)

指定者:

onBeforeDownload 在接口中 CefDownloadHandler

参数:

browser - The desired browser. (-所需的浏览器。)

downloadItem - The item to be downloaded. Do not keep a reference to it outside this method. (-要下载的项目。不要在此方法之外保留对它的引用。)

suggestedName - is the suggested name for the download file. (-是下载文件的建议名称。)

callback - start the download by calling the Continue method (-通过调用Continue方法开始下载)

onBeforePopup

public boolean onBeforePopup(CefBrowser browser,
                             CefFrame frame,
                             java.lang.String target_url,
                             java.lang.String target_frame_name)

从接口复制的说明: CefLifeSpanHandler

Called on the IO thread before a new popup window is created. (在创建新的弹出窗口之前在IO线程上调用。)

指定者:

onBeforePopup 在接口中 CefLifeSpanHandler

参数:

browser - The source of the popup request. (-弹出请求的来源。)

frame - The source of the popup request. Instance only valid within the scope of this method. (-弹出请求的来源。实例仅在此方法的范围内有效。)

target_url - May be empty if none is specified with the request. (-如果请求中未指定任何内容，则可以为空。)

target_frame_name - May be empty if none is specified with the request. (-如果请求中未指定任何内容，则可以为空。)

返回:

True to cancel creation of the popup window or false to proceed. (如果为True，则取消创建弹出窗口；如果为false，则继续进行。)

onBeforeUnloadDialog

public boolean onBeforeUnloadDialog(CefBrowser browser,
                                    java.lang.String message_text,
                                    boolean is_reload,
                                    CefJSDialogCallback callback)

从接口复制的说明: CefJSDialogHandler

Called to run a dialog asking the user if they want to leave a page. Return false to use the default dialog implementation. Return true if the application will use a custom dialog or if the callback has been executed immediately. Custom dialogs may be either modal or modeless. If a custom dialog is used the application must execute callback once the custom dialog is dismissed. (调用此命令可运行一个对话框，询问用户是否要离开页面。返回false以使用默认对话框实现。如果应用程序将使用自定义对话框或立即执行了回调，则返回true。自定义对话框可以是模式对话框，也可以是非模式对话框。如果使用了自定义对话框，则关闭自定义对话框后，应用程序必须执行回调。)

指定者:

onBeforeUnloadDialog 在接口中 CefJSDialogHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

message_text - The text to be displayed. (-要显示的文本。)

is_reload - true if the page is reloaded. (-如果重新加载页面，则为true。)

callback - execute callback once the custom dialog is dismissed. (-一旦关闭自定义对话框，请执行回调。)

返回:

false to use the default dialog implementation. Return true if the application will use a custom dialog. (如果为false，则使用默认对话框实现。如果应用程序将使用自定义对话框，则返回true。)

onCertificateError

public boolean onCertificateError(CefBrowser browser,
                                  CefLoadHandler.ErrorCode cert_error,
                                  java.lang.String request_url,
                                  CefRequestCallback callback)

从接口复制的说明: CefRequestHandler

Called on the UI thread to handle requests for URLs with an invalid SSL certificate. If "ignore-certificate-errors" command-line switch is set all invalid certificates will be accepted without calling this method. (在UI线程上调用，以处理带有无效SSL证书的URL请求。如果设置了“ ignore-certificate-errors”命令行开关，则无需调用此方法即可接受所有无效证书。)

指定者:

onCertificateError 在接口中 CefRequestHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

cert_error - Error code describing the error. (-描述错误的错误代码。)

request_url - The requesting URL. (-请求的网址。)

callback - Call CefRequestCallback.Continue() either in this method or at a later time to continue or cancel the request. If null the error cannot be recovered from and the request will be canceled automatically. (-在此方法中或在以后的时间调用CefRequestCallback.Continue（）以继续或取消请求。如果为null，则无法从中恢复错误，该请求将自动取消。)

返回:

True to handle the request (callback must be executed) or false to reject it. (如果为True，则处理该请求（必须执行回调）；如果为false，则拒绝该请求。)

onConsoleMessage

public boolean onConsoleMessage(CefBrowser browser,
                                CefSettings.LogSeverity level,
                                java.lang.String message,
                                java.lang.String source,
                                int line)

从接口复制的说明: CefDisplayHandler

Called to display a console message. (调用以显示控制台消息。)

指定者:

onConsoleMessage 在接口中 CefDisplayHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

返回:

true to stop the message from being output to the console. (如果为true，则停止将消息输出到控制台。)

onContextMenuCommand

public boolean onContextMenuCommand(CefBrowser browser,
                                    CefFrame frame,
                                    CefContextMenuParams params,
                                    int commandId,
                                    int eventFlags)

从接口复制的说明: CefContextMenuHandler

Called to execute a command selected from the context menu. Return true if the command was handled or false for the default implementation. See cef_menu_id_t for the command ids that have default implementations. All user-defined command ids should be between MENU_ID_USER_FIRST and (调用以执行从上下文菜单中选择的命令。如果已处理命令，则返回true；对于默认实现，返回false。有关具有默认实现的命令ID，请参见cef_menu_id_t。所有用户定义的命令ID均应在MENU_ID_USER_FIRST与)

指定者:

onContextMenuCommand 在接口中 CefContextMenuHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

frame - The frame generating the event. Instance only valid within the scope of this method. (-生成事件的框架。实例仅在此方法的范围内有效。)

params - Will have the same values that were passed to onBeforeContextMenu(). Instance only valid within the scope of this method. (-将具有与传递给onBeforeContextMenu（）相同的值。实例仅在此方法的范围内有效。)

commandId - The id of the command. (-命令的ID。)

eventFlags - A combination of event flags defined in EventFlags (-EventFlags中定义的事件标志的组合)

返回:

true if the command was handled or false for the default implementation. (如果已处理命令，则为true；对于默认实现，为false。)

onContextMenuDismissed

public void onContextMenuDismissed(CefBrowser browser,
                                   CefFrame frame)

从接口复制的说明: CefContextMenuHandler

Called when the context menu is dismissed irregardless of whether the menu was empty or a command was selected. (无论上下文菜单为空还是选择了命令，均关闭上下文菜单时调用。)

指定者:

onContextMenuDismissed 在接口中 CefContextMenuHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

frame - The corresponding frame. Instance only valid within the scope of this method. (-相应的框架。实例仅在此方法的范围内有效。)

onCursorChange

public void onCursorChange(CefBrowser browser,
                           int cursorType)

从接口复制的说明: CefRenderHandler

Handle cursor changes. (处理光标更改。)

指定者:

onCursorChange 在接口中 CefRenderHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

cursorType - The new cursor. (-新光标。)

onDialogClosed

public void onDialogClosed(CefBrowser browser)

从接口复制的说明: CefJSDialogHandler

Called when the default implementation dialog is closed. (关闭默认实现对话框时调用。)

指定者:

onDialogClosed 在接口中 CefJSDialogHandler

onDownloadUpdated

public void onDownloadUpdated(CefBrowser browser,
                              CefDownloadItem downloadItem,
                              CefDownloadItemCallback callback)

从接口复制的说明: CefDownloadHandler

Called when a download's status or progress information has been updated. (当下载状态或进度信息已更新时调用。)

指定者:

onDownloadUpdated 在接口中 CefDownloadHandler

参数:

browser - The desired browser. (-所需的浏览器。)

downloadItem - The downloading item. (-下载项目。)

callback - Execute callback to cancel the download (-执行回调以取消下载)

onDragEnter

public boolean onDragEnter(CefBrowser browser,
                           CefDragData dragData,
                           int mask)

从接口复制的说明: CefDragHandler

Called when an external drag event enters the browser window. (当外部拖动事件进入浏览器窗口时调用。)

指定者:

onDragEnter 在接口中 CefDragHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

dragData - Contains the drag event data. Instance only valid within the scope of this method. (-包含拖动事件数据。实例仅在此方法的范围内有效。)

mask - Represents the type of drag operation. See DragOperationMask for possible values. (-表示拖动操作的类型。有关可能的值，请参见DragOperationMask。)

返回:

False for default drag handling behavior or true to cancel the drag event. (对于默认拖动处理行为，为False；对于取消拖动事件，为True)

onFileDialog

public boolean onFileDialog(CefBrowser browser,
                            CefDialogHandler.FileDialogMode mode,
                            java.lang.String title,
                            java.lang.String defaultFilePath,
                            java.util.Vector<java.lang.String> acceptFilters,
                            int selectedAcceptFilter,
                            CefFileDialogCallback callback)

从接口复制的说明: CefDialogHandler

Called to run a file chooser dialog. (调用以运行文件选择器对话框。)

指定者:

onFileDialog 在接口中 CefDialogHandler

mode - represents the type of dialog to display.

title - to be used for the dialog and may be empty to show the default title ("Open" or "Save" depending on the mode).

defaultFilePath - is the path with optional directory and/or file name component that should be initially selected in the dialog.

acceptFilters - are used to restrict the selectable file types and may any combination of (a) valid lower-cased MIME types (e.g. "text/*" or "image/*"), (b) individual file extensions (e.g. ".txt" or ".png"), or (c) combined description and file extension delimited using "|" and ";" (e.g. "Image Types|.png;.gif;.jpg").

selectedAcceptFilter - is the 0-based index of the filter that should be selected by default.

callback - is a callback handler for handling own file dialogs.

返回:

To display a custom dialog return true and execute callback. To display the default dialog return false. (要显示自定义对话框，请返回true并执行回调。要显示默认对话框，请返回false。)

onGotFocus

public void onGotFocus(CefBrowser browser)

从接口复制的说明: CefFocusHandler

Called when the browser component has received focus. (当浏览器组件获得焦点时调用。)

指定者:

onGotFocus 在接口中 CefFocusHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

onJSDialog

public boolean onJSDialog(CefBrowser browser,
                          java.lang.String origin_url,
                          CefJSDialogHandler.JSDialogType dialog_type,
                          java.lang.String message_text,
                          java.lang.String default_prompt_text,
                          CefJSDialogCallback callback,
                          BoolRef suppress_message)

从接口复制的说明: CefJSDialogHandler

Called to run a JavaScript dialog. Set suppress_message to true and return false to suppress the message (suppressing messages is preferable to immediately executing the callback as this is used to detect presumably malicious behavior like spamming alert messages in onbeforeunload). Set suppress_message to false and return false to use the default implementation (the default implementation will show one modal dialog at a time and suppress any additional dialog requests until the displayed dialog is dismissed). Return true if the application will use a custom dialog or if the callback has been executed immediately. Custom dialogs may be either modal or modeless. If a custom dialog is used the application must execute callback once the custom dialog is dismissed. (调用以运行JavaScript对话框。将prevent_message设置为true并返回false以抑制消息（抑制消息比立即执行回调更好，因为这用于检测可能的恶意行为，例如在onbeforeunload中发送警报消息）。将prevent_message设置为false并返回false以使用默认实现（默认实现将一次显示一个模式对话框，并抑制所有其他对话框请求，直到关闭显示的对话框）。如果应用程序将使用自定义对话框或立即执行了回调，则返回true。自定义对话框可以是模式对话框，也可以是非模式对话框。如果使用了自定义对话框，则关闭自定义对话框后，应用程序必须执行回调。)

指定者:

onJSDialog 在接口中 CefJSDialogHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

origin_url - The originating url. (-原始网址。)

dialog_type - the dialog type. (-对话框类型。)

message_text - the text to be displayed. (-要显示的文本。)

default_prompt_text - value will be specified for prompt dialogs only. (-将仅为提示对话框指定值。)

callback - execute callback once the custom dialog is dismissed. (-一旦关闭自定义对话框，请执行回调。)

suppress_message - set to true to suppress displaying the message. (-设置为true以禁止显示消息。)

返回:

false to use the default dialog implementation. Return true if the application will use a custom dialog. (如果为false，则使用默认对话框实现。如果应用程序将使用自定义对话框，则返回true。)

onKeyEvent

public boolean onKeyEvent(CefBrowser browser,
                          CefKeyboardHandler.CefKeyEvent event)

从接口复制的说明: CefKeyboardHandler

Called after the renderer and JavaScript in the page has had a chance to handle the event. (在页面中的渲染器和JavaScript有机会处理该事件之后调用。)

指定者:

onKeyEvent 在接口中 CefKeyboardHandler

参数:

browser - the corresponding browser. (-相应的浏览器。)

event - contains information about the keyboard event. (-包含有关键盘事件的信息。)

返回:

true if the keyboard event was handled or false otherwise. (如果已处理键盘事件，则为true；否则为false。)

onLoadEnd

public void onLoadEnd(CefBrowser browser,
                      CefFrame frame,
                      int httpStatusCode)

从接口复制的说明: CefLoadHandler

Called when the browser is done loading a frame. The frameIdentifer value will never be empty. Multiple frames may be loading at the same time. Sub-frames may start or continue loading after the main frame load has ended. This method will always be called for all frames irrespective of whether the request completes successfully. (当浏览器完成加载框架时调用。 frameIdentifer值永远不会为空。可能同时加载多个帧。在主机加载结束后，子帧可以开始或继续加载。无论请求是否成功完成，所有帧都将始终调用此方法。)

指定者:

onLoadEnd 在接口中 CefLoadHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

frame - The frame generating the event. Instance only valid within the scope of this method. (-生成事件的框架。实例仅在此方法的范围内有效。)

httpStatusCode - The status code of the load. (-负载的状态码。)

onLoadError

public void onLoadError(CefBrowser browser,
                        CefFrame frame,
                        CefLoadHandler.ErrorCode errorCode,
                        java.lang.String errorText,
                        java.lang.String failedUrl)

从接口复制的说明: CefLoadHandler

Called when the resource load for a navigation fails or is canceled. (当导航的资源加载失败或被取消时调用。)

指定者:

onLoadError 在接口中 CefLoadHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

frame - The frame generating the event. Instance only valid within the scope of this method. (-生成事件的框架。实例仅在此方法的范围内有效。)

errorCode - The error code number. (-错误代码编号。)

errorText - The error text. (-错误文本。)

failedUrl - The URL that failed to load. (-无法加载的网址。)

onLoadingStateChange

public void onLoadingStateChange(CefBrowser browser,
                                 boolean isLoading,
                                 boolean canGoBack,
                                 boolean canGoForward)

从接口复制的说明: CefLoadHandler

Called when the loading state has changed. This callback will be executed twice -- once when loading is initiated either programmatically or by user action, and once when loading is terminated due to completion, cancellation of failure. (加载状态更改时调用。此回调将执行两次-一次以编程方式或通过用户操作启动加载，一次由于完成而终止加载，则取消失败。)

指定者:

onLoadingStateChange 在接口中 CefLoadHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

isLoading - true if it is loading. (-如果正在加载，则为true。)

canGoBack - true if you can navigate back. (-如果可以返回导航，则为true。)

canGoForward - true if you can navigate forward. (-如果可以向前导航，则为true。)

onLoadStart

public void onLoadStart(CefBrowser browser,
                        CefFrame frame,
                        CefRequest.TransitionType transitionType)

从接口复制的说明: CefLoadHandler

Called when the browser begins loading a frame. The frameIdentifer value will never be empty. Multiple frames may be loading at the same time. Sub-frames may start or continue loading after the main frame load has ended. This method may not be called for a particular frame if the load request for that frame fails. For notification of overall browser load status use onLoadingStateChange instead. (当浏览器开始加载框架时调用。 frameIdentifer值永远不会为空。可能同时加载多个帧。在主机加载结束后，子帧可以开始或继续加载。如果该帧的加载请求失败，则可能不会为该特定帧调用此方法。有关总体浏览器负载状态的通知，请使用onLoadingStateChange。)

指定者:

onLoadStart 在接口中 CefLoadHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

frame - The frame generating the event. Instance only valid within the scope of this method. (-生成事件的框架。实例仅在此方法的范围内有效。)

transitionType - The transition type. (-过渡类型。)

onMouseEvent

public void onMouseEvent(CefBrowser browser,
                         int event,
                         int screenX,
                         int screenY,
                         int modifier,
                         int button)

从接口复制的说明: CefWindowHandler

Implement this method to handle mouse events on Windows. The method is called in case of the following events: MOUSE_MOVED, MOUSE_PRESSED, MOUSE_RELEASED and MOUSE_WHEEL for a horizontal wheel movement. (在Windows上实现此方法以处理鼠标事件。如果发生以下事件，则调用该方法：MOUSE_MOVED，MOUSE_PRESSED，MOUSE_RELEASED和MOUSE_WHEEL用于水平车轮移动。)

指定者:

onMouseEvent 在接口中 CefWindowHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

event - A mouse event like MouseEvent.MOUSE_MOVED. (-鼠标事件，例如MouseEvent.MOUSE_MOVED。)

screenX - The absolute X position on the screen. (-屏幕上的绝对X位置。)

screenY - The absolute Y position on the screen. (-屏幕上的绝对Y位置。)

modifier - The modifier keys down during event (e.g. Shift, Ctrl). (-在事件发生期间，修饰键会向下键（例如Shift，Ctrl）。)

button - An integer indicating which mouse button state changed. If parameter event is set to MouseEvent.MOUSE_WHEEL, the value of this parameter specifies the rotation indicator (negative value for left scroll and positive value for right scroll). (-一个整数，指示更改的鼠标按钮状态。如果参数event设置为MouseEvent.MOUSE_WHEEL，则此参数的值指定旋转指示器（左滚动为负值，右滚动为正值）。)

onPaint

public void onPaint(CefBrowser browser,
                    boolean popup,
                    java.awt.Rectangle[] dirtyRects,
                    java.nio.ByteBuffer buffer,
                    int width,
                    int height)

从接口复制的说明: CefRenderHandler

Handle painting. (处理绘画。)

指定者:

onPaint 在接口中 CefRenderHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

popup - True if painting a popup window. (-如果绘制一个弹出窗口，则为true。)

dirtyRects - Array of dirty regions. (-脏区阵列。)

buffer - Pixel buffer for the whole window. (-整个窗口的像素缓冲区。)

width - Width of the buffer. (-缓冲区的宽度。)

height - Height of the buffer. (-缓冲区的高度。)

onPluginCrashed

public void onPluginCrashed(CefBrowser browser,
                            java.lang.String pluginPath)

从接口复制的说明: CefRequestHandler

Called on the browser process UI thread when a plugin has crashed. (插件崩溃时在浏览器进程UI线程上调用。)

指定者:

onPluginCrashed 在接口中 CefRequestHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

pluginPath - The path of the plugin that crashed. (-崩溃的插件的路径。)

onPopupShow

public void onPopupShow(CefBrowser browser,
                        boolean show)

从接口复制的说明: CefRenderHandler

Show or hide the popup window. (显示或隐藏弹出窗口。)

指定者:

onPopupShow 在接口中 CefRenderHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

show - True if the popup window is being shown. (-如果显示弹出窗口，则为True。)

onPopupSize

public void onPopupSize(CefBrowser browser,
                        java.awt.Rectangle size)

从接口复制的说明: CefRenderHandler

Size the popup window. (调整弹出窗口的大小。)

指定者:

onPopupSize 在接口中 CefRenderHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

size - Size of the popup window. (-弹出窗口的大小。)

onPreKeyEvent

public boolean onPreKeyEvent(CefBrowser browser,
                             CefKeyboardHandler.CefKeyEvent event,
                             BoolRef is_keyboard_shortcut)

从接口复制的说明: CefKeyboardHandler

Called before a keyboard event is sent to the renderer. (在键盘事件发送到渲染器之前调用。)

指定者:

onPreKeyEvent 在接口中 CefKeyboardHandler

参数:

browser - the corresponding browser. (-相应的浏览器。)

event - contains information about the keyboard event. (-包含有关键盘事件的信息。)

is_keyboard_shortcut - set to true and return false, if the event will be handled in OnKeyEvent() as a keyboard shortcut. (-如果事件将作为键盘快捷键在OnKeyEvent（）中处理，则设置为true并返回false。)

返回:

true if the event was handled or false otherwise. (如果已处理事件，则为true；否则为false。)

onQuotaRequest

public boolean onQuotaRequest(CefBrowser browser,
                              java.lang.String origin_url,
                              long new_size,
                              CefRequestCallback callback)

从接口复制的说明: CefRequestHandler

Called on the IO thread when JavaScript requests a specific storage quota size via the webkitStorageInfo.requestQuota function. (当JavaScript通过webkitStorageInfo.requestQuota函数请求特定的存储配额大小时，在IO线程上调用。)

指定者:

onQuotaRequest 在接口中 CefRequestHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

origin_url - Origin of the page making the request. (-发出请求的页面的来源。)

new_size - Requested quota size in bytes. (-请求的配额大小（以字节为单位）。)

callback - Call CefRequestCallback.Continue() either in this method or at a later time to grant or deny the request. (-使用此方法或以后的方法调用CefRequestCallback.Continue（）以授予或拒绝该请求。)

返回:

True to handle the request (callback must be executed) or false to cancel. (如果为True，则处理请求（必须执行回调）；如果为false，则取消。)

onRenderProcessTerminated

public void onRenderProcessTerminated(CefBrowser browser,
                                      CefRequestHandler.TerminationStatus status)

从接口复制的说明: CefRequestHandler

Called on the browser process UI thread when the render process terminates unexpectedly. (当呈现进程意外终止时，在浏览器进程UI线程上调用。)

指定者:

onRenderProcessTerminated 在接口中 CefRequestHandler

参数:

browser - The corresponding browser. (-相应的浏览器。)

status - Indicates how the process was terminated. (-指示进程如何终止。)

onResetDialogState

public void onResetDialogState(CefBrowser browser)

从接口复制的说明: CefJSDialogHandler

Called to cancel any pending dialogs and reset any saved dialog state. Will be called due to events like page navigation irregardless of whether any dialogs are currently pending. (调用以取消所有未决的对话框并重置所有保存的对话框状态。由于诸如页面导航之类的事件而将被调用，而不管当前是否有任何对话框挂起。)

指定者:

onResetDialogState 在接口中 CefJSDialogHandler

onSetFocus

public boolean onSetFocus(CefBrowser browser,
                          CefFocusHandler.FocusSource source)

从接口复制的说明: CefFocusHandler

Called when the browser component is requesting focus. (当浏览器组件正在请求焦点时调用。)

指定者:

onSetFocus 在接口中 CefFocusHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

source - indicates/ where the focus request is originating from. (-指示/焦点请求来自何处。)

返回:

false to allow the focus to be set or true to cancel setting the focus. (如果为false则允许设置焦点，如果为true则取消设置焦点。)

onStatusMessage

public void onStatusMessage(CefBrowser browser,
                            java.lang.String value)

从接口复制的说明: CefDisplayHandler

Called when the browser receives a status message. (当浏览器收到状态消息时调用。)

指定者:

onStatusMessage 在接口中 CefDisplayHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

value - Contains the text that will be displayed in the status message. (-包含将在状态消息中显示的文本。)

onTakeFocus

public void onTakeFocus(CefBrowser browser,
                        boolean next)

从接口复制的说明: CefFocusHandler

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. (当浏览器组件即将失去焦点时调用。例如，如果焦点在最后一个HTML元素上，并且用户按下了TAB键。)

指定者:

onTakeFocus 在接口中 CefFocusHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

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上一个组件上，则为false。)

onTitleChange

public void onTitleChange(CefBrowser browser,
                          java.lang.String title)

从接口复制的说明: CefDisplayHandler

Handle title changes. (处理标题更改。)

指定者:

onTitleChange 在接口中 CefDisplayHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

title - The new title. (-新标题。)

onTooltip

public boolean onTooltip(CefBrowser browser,
                         java.lang.String text)

从接口复制的说明: CefDisplayHandler

Called when the browser is about to display a tooltip. (当浏览器将要显示工具提示时调用。)

指定者:

onTooltip 在接口中 CefDisplayHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

text - Contains the text that will be displayed in the tooltip. (-包含将在工具提示中显示的文本。)

返回:

To handle the display of the tooltip yourself return true. (要自己处理工具提示，请返回true。)

removeContextMenuHandler

public void removeContextMenuHandler()

removeDialogHandler

public void removeDialogHandler()

removeDisplayHandler

public void removeDisplayHandler()

removeDownloadHandler

public void removeDownloadHandler()

removeDragHandler

public void removeDragHandler()

removeFocusHandler

public void removeFocusHandler()

removeJSDialogHandler

public void removeJSDialogHandler()

removeKeyboardHandler

public void removeKeyboardHandler()

removeLifeSpanHandler

public void removeLifeSpanHandler()

removeLoadHandler

public void removeLoadHandler()

removeMessageRouter

public void removeMessageRouter(CefMessageRouter messageRouter)

覆盖:

removeMessageRouter 在类中 CefClientHandler

removeRequestHandler

public void removeRequestHandler()

startDragging

public boolean startDragging(CefBrowser browser,
                             CefDragData dragData,
                             int mask,
                             int x,
                             int y)

从接口复制的说明: CefRenderHandler

Called when the user starts dragging content in the web view. Contextual information about the dragged content is supplied by dragData. OS APIs that run a system message loop may be used within the StartDragging call. Return false to abort the drag operation. Don't call any of CefBrowser-dragSource*Ended* methods after returning false. Return true to handle the drag operation. Call CefBrowser.dragSourceEndedAt and CefBrowser.ragSourceSystemDragEnded either synchronously or asynchronously to inform the web view that the drag operation has ended. (当用户开始在Web视图中拖动内容时调用。有关拖动内容的上下文信息由dragData提供。可以在StartDragging调用中使用运行系统消息循环的OS API。返回false终止拖动操作。返回false后，请勿调用任何CefBrowser-dragSource * Ended *方法。返回true以处理拖动操作。同步或异步调用CefBrowser.dragSourceEndedAt和CefBrowser.ragSourceSystemDragEnded来通知Web视图拖动操作已结束。)

指定者:

startDragging 在接口中 CefRenderHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

dragData - Contextual information about the dragged content (-有关所拖动内容的上下文信息)

mask - Describes the allowed operation (none, move, copy, link). (-描述允许的操作（无，移动，复制，链接）。)

x - Coordinate within CefBrowser (-在CefBrowser中协调)

y - Coordinate within CefBrowser (-在CefBrowser中协调)

返回:

false to abort the drag operation or true to handle the drag operation. (如果为false，则中止拖动操作；如果为true，则中止拖动操作。)

updateDragCursor

public void updateDragCursor(CefBrowser browser,
                             int operation)

从接口复制的说明: CefRenderHandler

Called when the web view wants to update the mouse cursor during a drag & drop operation. (在拖放操作期间Web视图要更新鼠标光标时调用。)

指定者:

updateDragCursor 在接口中 CefRenderHandler

参数:

browser - The browser generating the event. (-浏览器生成事件。)

operation - Describes the allowed operation (none, move, copy, link). (-描述允许的操作（无，移动，复制，链接）。)