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47 lines
2.1 KiB
Plaintext
47 lines
2.1 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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 imgIContainer;
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interface nsIURI;
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interface nsISVGPaintContext;
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/**
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* Starting in Windows 7, applications can display an overlay on the icon in
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* the taskbar. This class wraps around the native functionality to do this.
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*/
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[scriptable, uuid(b1858889-a698-428a-a14b-b5d60cff6de2)]
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interface nsITaskbarOverlayIconController : nsISupports
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{
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/**
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* Sets the overlay icon and its corresponding alt text.
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*
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* @param statusIcon The handle to the overlay icon. The icon will be scaled
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* to the small icon size (16x16 at 96 dpi). Can be null, in
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* which case if the taskbar button represents a single window
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* the icon is removed.
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* @param statusDescription The alt text version of the information
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* conveyed by the overlay, for accessibility
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* purposes.
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* @param paintContext Optional context information used when passing an SVG
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* image. This allows the caller to set the context-fill
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* and context-stroke properties that would normally
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* be provided by CSS.
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*
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* @note The behavior for window groups is managed by Windows.
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* - If an overlay icon is set for any window in a window group and another
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* overlay icon is already applied to the corresponding taskbar button, that
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* existing overlay is replaced.
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* - If null is passed in to replace the overlay currently being displayed,
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* and if a previous overlay set for a different window in the group is
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* still available, then that previous overlay is displayed.
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*/
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void setOverlayIcon(in imgIContainer statusIcon,
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in AString statusDescription,
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[optional] in nsISVGPaintContext paintContext);
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};
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