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Class CefContextMenuHandler

CefBaseRefCounted
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   +--CefContextMenuHandler

class CefContextMenuHandler

extends CefBaseRefCounted

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

OnBeforeContextMenu

public virtual void OnBeforeContextMenu( CefRefPtr< CefBrowser > browser, CefRefPtr< CefFrame > frame, CefRefPtr< CefContextMenuParams > params, CefRefPtr< CefMenuModel > model );

Called before a context menu is displayed. |params| provides information about the context menu state. |model| initially contains the default context menu. The |model| can be cleared to show no context menu or modified to show a custom menu. Do not keep references to |params| or |model| outside of this callback.

OnContextMenuCommand

public virtual bool OnContextMenuCommand( CefRefPtr< CefBrowser > browser, CefRefPtr< CefFrame > frame, CefRefPtr< CefContextMenuParams > params, int command_id, CefContextMenuHandler::EventFlags event_flags );

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 MENU_ID_USER_LAST. |params| will have the same values as what was passed to OnBeforeContextMenu(). Do not keep a reference to |params| outside of this callback.

OnContextMenuDismissed

public virtual void OnContextMenuDismissed( CefRefPtr< CefBrowser > browser, CefRefPtr< CefFrame > frame );

Called when the context menu is dismissed irregardless of whether the menu was empty or a command was selected.

RunContextMenu

public virtual bool RunContextMenu( CefRefPtr< CefBrowser > browser, CefRefPtr< CefFrame > frame, CefRefPtr< CefContextMenuParams > params, CefRefPtr< CefMenuModel > model, CefRefPtr< CefRunContextMenuCallback > callback );

Called to allow custom display of the context menu. |params| provides information about the context menu state. |model| contains the context menu model resulting from OnBeforeContextMenu. For custom display return true and execute |callback| either synchronously or asynchronously with the selected command ID. For default display return false. Do not keep references to |params| or |model| outside of this callback.