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30 lines
1.2 KiB
Plaintext
30 lines
1.2 KiB
Plaintext
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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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/**
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* When we send a mozbrowserasyncscroll event (an instance of CustomEvent), we
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* use an instance of this interface as the event's detail.
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* [left, top, width, height]: The portion of the page which is currently
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* visible onscreen in CSS pixels.
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* [scrollWidth, scrollHeight]: The content width/height in CSS pixels.
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*
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* top + height may be larger than scrollHeight.
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* This indicates that the content is over-scrolled, which occurs when the
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* page "rubber-bands" after being scrolled all the way to the bottom.
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* Similarly, left + width may be greater than scrollWidth,
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* and both left and top may be negative.
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*/
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[scriptable, uuid(d0c13577-31e6-4701-b9b7-3535bbe19fe6)]
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interface nsIAsyncScrollEventDetail : nsISupports
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{
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readonly attribute float top;
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readonly attribute float left;
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readonly attribute float width;
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readonly attribute float height;
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readonly attribute float scrollWidth;
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readonly attribute float scrollHeight;
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};
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