89 lines
3.0 KiB
Plaintext
89 lines
3.0 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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/*
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* This file declares the AnonymousContent interface which is used to
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* manipulate content that has been inserted into the document's canvasFrame
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* anonymous container.
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* See Document.insertAnonymousContent.
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*
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* This API never returns a reference to the actual inserted DOM node on
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* purpose. This is to make sure the content cannot be randomly changed and the
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* DOM cannot be traversed from the node, so that Gecko can remain in control of
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* the inserted content.
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*/
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[ChromeOnly]
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interface AnonymousContent {
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/**
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* Get the text content of an element inside this custom anonymous content.
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*/
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[Throws]
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DOMString getTextContentForElement(DOMString elementId);
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/**
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* Set the text content of an element inside this custom anonymous content.
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*/
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[Throws]
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void setTextContentForElement(DOMString elementId, DOMString text);
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/**
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* Get the value of an attribute of an element inside this custom anonymous
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* content.
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*/
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[Throws]
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DOMString? getAttributeForElement(DOMString elementId,
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DOMString attributeName);
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/**
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* Set the value of an attribute of an element inside this custom anonymous
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* content.
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*/
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[Throws]
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void setAttributeForElement(DOMString elementId,
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DOMString attributeName,
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DOMString value);
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/**
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* Remove an attribute from an element inside this custom anonymous content.
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*/
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[Throws]
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void removeAttributeForElement(DOMString elementId,
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DOMString attributeName);
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/**
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* Get the canvas' context for the element specified if it's a <canvas>
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* node, `null` otherwise.
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*/
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[Throws]
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nsISupports? getCanvasContext(DOMString elementId,
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DOMString contextId);
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[Func="nsDocument::IsElementAnimateEnabled", Throws]
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Animation setAnimationForElement(DOMString elementId,
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object? keyframes,
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optional UnrestrictedDoubleOrKeyframeAnimationOptions
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options);
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/**
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* Accepts a list of (possibly overlapping) DOMRects which describe a shape
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* in CSS pixels relative to the element's border box. This shape will be
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* excluded from the element's background color rendering. The element will
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* not render any background images once this method has been called.
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*/
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[Throws]
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void setCutoutRectsForElement(DOMString elementId,
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sequence<DOMRect> rects);
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/**
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* Get the computed value of a property on an element inside this custom
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* anonymous content.
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*/
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[Throws]
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DOMString? getComputedStylePropertyValue(DOMString elementId,
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DOMString propertyName);
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};
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