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332 lines
13 KiB
Plaintext
332 lines
13 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Mozilla.org
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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/**
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* nsIDOMWindowUtils is intended for infrequently-used methods related
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* to the current nsIDOMWindow. Some of the methods may require
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* elevated privileges; the method implementations should contain the
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* necessary security checks. Access this interface by calling
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* getInterface on a DOMWindow.
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*/
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interface nsIDOMElement;
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interface nsIDOMHTMLCanvasElement;
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[scriptable, uuid(6e3510b9-806d-4a2a-be79-73d2a495b4b8)]
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interface nsIDOMWindowUtils : nsISupports {
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/**
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* Image animation mode of the window. When this attribute's value
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* is changed, the implementation should set all images in the window
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* to the given value. That is, when set to kDontAnimMode, all images
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* will stop animating. The attribute's value must be one of the
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* animationMode values from imgIContainer.
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* @note Images may individually override the window's setting after
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* the window's mode is set. Therefore images given different modes
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* since the last setting of the window's mode may behave
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* out of line with the window's overall mode.
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* @note The attribute's value is the window's overall mode. It may
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* for example continue to report kDontAnimMode after all images
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* have subsequently been individually animated.
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* @note Only images immediately in this window are affected;
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* this is not recursive to subwindows.
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* @see imgIContainer
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*/
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attribute unsigned short imageAnimationMode;
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/**
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* Whether the charset of the window's current document has been forced by
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* the user.
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* Cannot be accessed from unprivileged context (not content-accessible)
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*/
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readonly attribute boolean docCharsetIsForced;
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/**
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* Function to get metadata associated with the window's current document
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* @param aName the name of the metadata. This should be all lowercase.
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* @return the value of the metadata, or the empty string if it's not set
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*
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* Will throw a DOM security error if called without UniversalXPConnect
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* privileges.
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*/
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AString getDocumentMetadata(in AString aName);
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/**
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* Force an immediate redraw of this window. The parameter specifies
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* the number of times to redraw, and the return value is the length,
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* in milliseconds, that the redraws took. If aCount is not specified
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* or is 0, it is taken to be 1.
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*/
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unsigned long redraw([optional] in unsigned long aCount);
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/** Synthesize a mouse event for a window. The event types supported
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* are:
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* mousedown, mouseup, mousemove, mouseover, mouseout, contextmenu
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*
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* Events are sent in coordinates offset by aX and aY from the window.
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*
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* Note that additional events may be fired as a result of this call. For
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* instance, typically a click event will be fired as a result of a
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* mousedown and mouseup in sequence.
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*
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* Normally at this level of events, the mouseover and mouseout events are
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* only fired when the window is entered or exited. For inter-element
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* mouseover and mouseout events, a movemove event fired on the new element
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* should be sufficient to generate the correct over and out events as well.
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*
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* Cannot be accessed from unprivileged context (not content-accessible)
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* Will throw a DOM security error if called without UniversalXPConnect
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* privileges.
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*
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* @param aType event type
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* @param aX x offset in CSS pixels
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* @param aY y offset in CSS pixels
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* @param aButton button to synthesize
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* @param aClickCount number of clicks that have been performed
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* @param aModifiers modifiers pressed, using constants defined in nsIDOMNSEvent
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* @param aIgnoreRootScrollFrame whether the event should ignore viewport bounds
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* during dispatch
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*/
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void sendMouseEvent(in AString aType,
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in float aX,
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in float aY,
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in long aButton,
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in long aClickCount,
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in long aModifiers,
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[optional] in boolean aIgnoreRootScrollFrame);
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/** Synthesize a mouse scroll event for a window. The event types supported
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* are:
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* DOMMouseScroll
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* MozMousePixelScroll
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*
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* Events are sent in coordinates offset by aX and aY from the window.
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*
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* Cannot be accessed from unprivileged context (not content-accessible)
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* Will throw a DOM security error if called without UniversalXPConnect
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* privileges.
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*
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* @param aType event type
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* @param aX x offset in CSS pixels
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* @param aY y offset in CSS pixels
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* @param aButton button to synthesize
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* @param aScrollFlags flag bits --- see nsMouseScrollFlags in nsGUIEvent.h
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* @param aDelta the direction and amount to scroll (in lines or pixels,
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* depending on the event type)
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* @param aModifiers modifiers pressed, using constants defined in nsIDOMNSEvent
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*/
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void sendMouseScrollEvent(in AString aType,
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in float aX,
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in float aY,
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in long aButton,
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in long aScrollFlags,
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in long aDelta,
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in long aModifiers);
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/**
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* Synthesize a key event to the window. The event types supported are:
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* keydown, keyup, keypress
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*
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* Key events generally end up being sent to the focused node.
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*
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* Cannot be accessed from unprivileged context (not content-accessible)
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* Will throw a DOM security error if called without UniversalXPConnect
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* privileges.
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*
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* @param aType event type
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* @param aKeyCode key code
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* @param aCharCode character code
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* @param aModifiers modifiers pressed, using constants defined in nsIDOMNSEvent
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* @param aPreventDefault if true, preventDefault() the event before dispatch
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*
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* @return false if the event had preventDefault() called on it,
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* true otherwise. In other words, true if and only if the
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* default action was taken.
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*/
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boolean sendKeyEvent(in AString aType,
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in long aKeyCode,
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in long aCharCode,
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in long aModifiers,
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[optional] in boolean aPreventDefault);
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/**
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* See nsIWidget::SynthesizeNativeKeyEvent
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*
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* Cannot be accessed from unprivileged context (not content-accessible)
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* Will throw a DOM security error if called without UniversalXPConnect
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* privileges.
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*/
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void sendNativeKeyEvent(in long aNativeKeyboardLayout,
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in long aNativeKeyCode,
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in long aModifierFlags,
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in AString aCharacters,
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in AString aUnmodifiedCharacters);
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/**
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* See nsIWidget::ActivateNativeMenuItemAt
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*
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* Cannot be accessed from unprivileged context (not content-accessible)
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* Will throw a DOM security error if called without UniversalXPConnect
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* privileges.
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*/
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void activateNativeMenuItemAt(in AString indexString);
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/**
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* See nsIWidget::ForceUpdateNativeMenuAt
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*
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* Cannot be accessed from unprivileged context (not content-accessible)
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* Will throw a DOM security error if called without UniversalXPConnect
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* privileges.
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*/
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void forceUpdateNativeMenuAt(in AString indexString);
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/**
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* Focus the element aElement. The element should be in the same document
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* that the window is displaying. Pass null to blur the element, if any,
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* that currently has focus, and focus the document.
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*
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* Cannot be accessed from unprivileged context (not content-accessible)
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* Will throw a DOM security error if called without UniversalXPConnect
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* privileges.
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*
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* @param aElement the element to focus
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*/
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void focus(in nsIDOMElement aElement);
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/**
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* Force a garbage collection. This will run the cycle-collector twice to
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* make sure all garbage is collected.
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*
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* Will throw a DOM security error if called without UniversalXPConnect
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* privileges in non-debug builds. Available to all callers in debug builds.
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*/
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void garbageCollect();
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/**
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* Force processing of any queued paints
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*/
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void processUpdates();
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/** Synthesize a simple gesture event for a window. The event types
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* supported are: MozSwipeGesture, MozMagnifyGestureStart,
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* MozMagnifyGestureUpdate, MozMagnifyGesture,
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* MozRotateGestureStart, MozRotateGestureUpdate, and
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* MozRotateGesture.
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*
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* Cannot be accessed from unprivileged context (not
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* content-accessible) Will throw a DOM security error if called
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* without UniversalXPConnect privileges.
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*
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* @param aType event type
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* @param aX x offset in CSS pixels
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* @param aY y offset in CSS pixels
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* @param aDirection direction, using constants defined in nsIDOMSimpleGestureEvent
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* @param aDelta amount of magnification or rotation for magnify and rotation events
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* @param aModifiers modifiers pressed, using constants defined in nsIDOMNSEvent
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*/
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void sendSimpleGestureEvent(in AString aType,
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in float aX,
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in float aY,
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in unsigned long aDirection,
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in double aDelta,
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in long aModifiers);
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/**
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* Retrieve the element at point aX, aY in the window's document.
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*
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* @param aIgnoreRootScrollFrame whether or not to ignore the root scroll
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* frame when retrieving the element. If false, this method returns
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* null for coordinates outside of the viewport.
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* @param aFlushLayout flushes layout if true. Otherwise, no flush occurs.
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*/
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nsIDOMElement elementFromPoint(in long aX,
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in long aY,
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in boolean aIgnoreRootScrollFrame,
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in boolean aFlushLayout);
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/**
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* Compare the two canvases, returning the number of differing pixels and
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* the maximum difference in a channel. This will throw an error if
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* the dimensions of the two canvases are different.
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*
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* This method requires UniversalXPConnect privileges.
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*/
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PRUint32 compareCanvases(in nsIDOMHTMLCanvasElement aCanvas1,
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in nsIDOMHTMLCanvasElement aCanvas2,
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out unsigned long aMaxDifference);
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/**
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* Returns true if a MozAfterPaint event has been queued but not yet
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* fired.
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*/
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readonly attribute boolean isMozAfterPaintPending;
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/**
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* Suppresses/unsuppresses user initiated event handling in window's document
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* and subdocuments.
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*
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* @throw NS_ERROR_DOM_SECURITY_ERR if called without UniversalXPConnect
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* privileges and NS_ERROR_FAILURE if window doesn't have a document.
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*/
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void suppressEventHandling(in boolean aSuppress);
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void clearMozAfterPaintEvents();
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/**
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* Disable or enable non synthetic test mouse events on *all* windows.
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*
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* Cannot be accessed from unprivileged context (not content-accessible).
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* Will throw a DOM security error if called without UniversalXPConnect
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* privileges.
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*
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* @param aDisable If true, disable all non synthetic test mouse events
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* on all windows. Otherwise, enable them.
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*/
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void disableNonTestMouseEvents(in boolean aDisable);
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/**
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* Returns the scroll position of the window's currently loaded document.
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*
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* @param aFlushLayout flushes layout if true. Otherwise, no flush occurs.
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* @see nsIDOMWindow::scrollX/Y
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*/
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void getScrollXY(in boolean aFlushLayout, out long aScrollX, out long aScrollY);
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};
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