/gecko_sdk/idl/nsIWebBrowserFocus.idl

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 16 * The Original Code is the Mozilla browser.
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 20 * Portions created by the Initial Developer are Copyright (C) 1999
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 22 *
 23 * Contributor(s):
 24 *   Chris Saari <saari@netscape.com>
 25 *   Dan Rosen <dr@netscape.com>
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 40
 41interface nsIDOMWindow;
 42interface nsIDOMElement;
 43
 44#include "nsISupports.idl"
 45
 46/**
 47 * nsIWebBrowserFocus
 48 * Interface that embedders use for controlling and interacting
 49 * with the browser focus management. The embedded browser can be focused by
 50 * clicking in it or tabbing into it. If the browser is currently focused and
 51 * the embedding application's top level window is disabled, deactivate() must
 52 * be called, and activate() called again when the top level window is
 53 * reactivated for the browser's focus memory to work correctly.
 54 *
 55 * @status FROZEN
 56 */
 57
 58[scriptable, uuid(9c5d3c58-1dd1-11b2-a1c9-f3699284657a)]
 59interface nsIWebBrowserFocus : nsISupports
 60{
 61  /**
 62   * MANDATORY
 63   * activate() is a mandatory call that must be made to the browser
 64   * when the embedding application's window is activated *and* the 
 65   * browser area was the last thing in focus.  This method can also be called
 66   * if the embedding application wishes to give the browser area focus,
 67   * without affecting the currently focused element within the browser.
 68   *
 69   * @note
 70   * If you fail to make this call, mozilla focus memory will not work
 71   * correctly.
 72   */
 73  void activate();
 74
 75  /**
 76   * MANDATORY
 77   * deactivate() is a mandatory call that must be made to the browser
 78   * when the embedding application's window is deactivated *and* the
 79   * browser area was the last thing in focus.  On non-windows platforms,
 80   * deactivate() should also be called when focus moves from the browser
 81   * to the embedding chrome.
 82   *
 83   * @note
 84   * If you fail to make this call, mozilla focus memory will not work
 85   * correctly.
 86   */
 87  void deactivate();
 88
 89  /**
 90   * Give the first element focus within mozilla
 91   * (i.e. TAB was pressed and focus should enter mozilla)
 92   */
 93  void setFocusAtFirstElement();
 94
 95  /**
 96   * Give the last element focus within mozilla
 97   * (i.e. SHIFT-TAB was pressed and focus should enter mozilla)
 98   */
 99  void setFocusAtLastElement();
100  
101  /**
102   * The currently focused nsDOMWindow when the browser is active,
103   * or the last focused nsDOMWindow when the browser is inactive.
104   */
105  attribute nsIDOMWindow focusedWindow;
106  
107  /**
108   * The currently focused nsDOMElement when the browser is active,
109   * or the last focused nsDOMElement when the browser is inactive.
110   */
111  attribute nsIDOMElement focusedElement;
112};