зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
4.3 KiB
Plaintext
122 строки
4.3 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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interface nsIDOMEvent;
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interface nsIDOMNode;
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interface imgIContainer;
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interface nsIURI;
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interface nsIContextMenuInfo;
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/* THIS IS A PUBLIC EMBEDDING API */
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/**
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* nsIContextMenuListener2
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*
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* This is an extended version of nsIContextMenuListener
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* It provides a helper class, nsIContextMenuInfo, to allow access to
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* background images as well as various utilities.
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*
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* @see nsIContextMenuListener
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* @see nsIContextMenuInfo
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*/
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[scriptable, uuid(7fb719b3-d804-4964-9596-77cf924ee314)]
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interface nsIContextMenuListener2 : nsISupports
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{
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/** Flag. No context. */
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const unsigned long CONTEXT_NONE = 0;
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/** Flag. Context is a link element. */
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const unsigned long CONTEXT_LINK = 1;
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/** Flag. Context is an image element. */
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const unsigned long CONTEXT_IMAGE = 2;
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/** Flag. Context is the whole document. */
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const unsigned long CONTEXT_DOCUMENT = 4;
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/** Flag. Context is a text area element. */
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const unsigned long CONTEXT_TEXT = 8;
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/** Flag. Context is an input element. */
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const unsigned long CONTEXT_INPUT = 16;
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/** Flag. Context is a background image. */
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const unsigned long CONTEXT_BACKGROUND_IMAGE = 32;
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/**
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* Called when the browser receives a context menu event (e.g. user is right-mouse
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* clicking somewhere on the document). The combination of flags, along with the
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* attributes of <CODE>aUtils</CODE>, indicate where and what was clicked on.
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*
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* The following table describes what context flags and node combinations are
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* possible.
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*
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* aContextFlags aUtils.targetNode
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*
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* CONTEXT_LINK <A>
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* CONTEXT_IMAGE <IMG>
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* CONTEXT_IMAGE | CONTEXT_LINK <IMG> with <A> as an ancestor
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* CONTEXT_INPUT <INPUT>
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* CONTEXT_INPUT | CONTEXT_IMAGE <INPUT> with type=image
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* CONTEXT_TEXT <TEXTAREA>
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* CONTEXT_DOCUMENT <HTML>
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* CONTEXT_BACKGROUND_IMAGE <HTML> with background image
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*
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* @param aContextFlags Flags indicating the kind of context.
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* @param aUtils Context information and helper utilities.
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*
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* @see nsIContextMenuInfo
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*/
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void onShowContextMenu(in unsigned long aContextFlags, in nsIContextMenuInfo aUtils);
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};
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/**
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* nsIContextMenuInfo
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*
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* A helper object for implementors of nsIContextMenuListener2.
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*/
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[scriptable, uuid(2f977d56-5485-11d4-87e2-0010a4e75ef2)]
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interface nsIContextMenuInfo : nsISupports
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{
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/**
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* The DOM context menu event.
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*/
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readonly attribute nsIDOMEvent mouseEvent;
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/**
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* The DOM node most relevant to the context.
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*/
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readonly attribute nsIDOMNode targetNode;
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/**
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* Given the <CODE>CONTEXT_LINK</CODE> flag, <CODE>targetNode</CODE> may not
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* nescesarily be a link. This returns the anchor from <CODE>targetNode</CODE>
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* if it has one or that of its nearest ancestor if it does not.
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*/
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readonly attribute AString associatedLink;
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/**
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* Given the <CODE>CONTEXT_IMAGE</CODE> flag, these methods can be
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* used in order to get the image for viewing, saving, or for the clipboard.
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*
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* @return <CODE>NS_OK</CODE> if successful, otherwise <CODE>NS_ERROR_FAILURE</CODE> if no
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* image was found, or NS_ERROR_NULL_POINTER if an internal error occurs where we think there
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* is an image, but for some reason it cannot be returned.
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*/
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readonly attribute imgIContainer imageContainer;
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readonly attribute nsIURI imageSrc;
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/**
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* Given the <CODE>CONTEXT_BACKGROUND_IMAGE</CODE> flag, these methods can be
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* used in order to get the image for viewing, saving, or for the clipboard.
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*
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* @return <CODE>NS_OK</CODE> if successful, otherwise <CODE>NS_ERROR_FAILURE</CODE> if no background
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* image was found, or NS_ERROR_NULL_POINTER if an internal error occurs where we think there is a
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* background image, but for some reason it cannot be returned.
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*/
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readonly attribute imgIContainer backgroundImageContainer;
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readonly attribute nsIURI backgroundImageSrc;
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};
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