Package org.cef.handler

Class CefRenderHandlerAdapter

  • All Implemented Interfaces:
    CefRenderHandler
    public abstract class CefRenderHandlerAdapter
extends java.lang.Object
implements CefRenderHandler
    An abstract adapter class for receiving render events. The methods in this class are empty. This class exists as convenience for creating handler objects.

    • Constructor Detail

      • CefRenderHandlerAdapter

        public CefRenderHandlerAdapter()

    • Method Detail

      • onCursorChange

        public void onCursorChange​(CefBrowser browser,
                           int cursorIdentifer)
        Description copied from interface: CefRenderHandler
        Handle cursor changes.
        Specified by:
        onCursorChange in interface CefRenderHandler
        Parameters:
        browser - The browser generating the event.
        cursorIdentifer - The new cursor.

      • getViewRect

        public java.awt.Rectangle getViewRect​(CefBrowser browser)
        Description copied from interface: CefRenderHandler
        Retrieve the view rectangle.
        Specified by:
        getViewRect in interface CefRenderHandler
        Parameters:
        browser - The browser generating the event.
        Returns:
        The view rectangle.

      • getScreenInfo

        public boolean getScreenInfo​(CefBrowser browser,
                             CefScreenInfo screenInfo)
        Description copied from interface: CefRenderHandler
        Retrieve the screen info.
        Specified by:
        getScreenInfo in interface CefRenderHandler
        Parameters:
        browser - The browser generating the event.
        screenInfo - The screenInfo
        Returns:
        True if this callback was handled. False to fallback to defaults.

      • getScreenPoint

        public java.awt.Point getScreenPoint​(CefBrowser browser,
                                     java.awt.Point viewPoint)
        Description copied from interface: CefRenderHandler
        Retrieve the screen point for the specified view point.
        Specified by:
        getScreenPoint in interface CefRenderHandler
        Parameters:
        browser - The browser generating the event.
        viewPoint - The point in the view.
        Returns:
        The screen point.

      • onPopupShow

        public void onPopupShow​(CefBrowser browser,
                        boolean show)
        Description copied from interface: CefRenderHandler
        Show or hide the popup window.
        Specified by:
        onPopupShow in interface CefRenderHandler
        Parameters:
        browser - The browser generating the event.
        show - True if the popup window is being shown.

      • onPopupSize

        public void onPopupSize​(CefBrowser browser,
                        java.awt.Rectangle size)
        Description copied from interface: CefRenderHandler
        Size the popup window.
        Specified by:
        onPopupSize in interface CefRenderHandler
        Parameters:
        browser - The browser generating the event.
        size - Size of the popup window.

      • onPaint

        public void onPaint​(CefBrowser browser,
                    boolean popup,
                    java.awt.Rectangle[] dirtyRects,
                    java.nio.ByteBuffer buffer,
                    int width,
                    int height)
        Description copied from interface: CefRenderHandler
        Handle painting.
        Specified by:
        onPaint in interface CefRenderHandler
        Parameters:
        browser - The browser generating the event.
        popup - True if painting a popup window.
        dirtyRects - Array of dirty regions.
        buffer - Pixel buffer for the whole window.
        width - Width of the buffer.
        height - Height of the buffer.

      • startDragging

        public boolean startDragging​(CefBrowser browser,
                             CefDragData dragData,
                             int mask,
                             int x,
                             int y)
        Description copied from interface: 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.
        Specified by:
        startDragging in interface CefRenderHandler
        Parameters:
        browser - The browser generating the event.
        dragData - Contextual information about the dragged content
        mask - Describes the allowed operation (none, move, copy, link).
        x - Coordinate within CefBrowser
        y - Coordinate within CefBrowser
        Returns:
        false to abort the drag operation or true to handle the drag operation.

      • updateDragCursor

        public void updateDragCursor​(CefBrowser browser,
                             int operation)
        Description copied from interface: CefRenderHandler
        Called when the web view wants to update the mouse cursor during a drag & drop operation.
        Specified by:
        updateDragCursor in interface CefRenderHandler
        Parameters:
        browser - The browser generating the event.
        operation - Describes the allowed operation (none, move, copy, link).