зеркало из https://github.com/mozilla/pjs.git
127 строки
4.6 KiB
Plaintext
127 строки
4.6 KiB
Plaintext
/* vim: se cin sw=2 ts=2 et : */
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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 Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Rob Arnold <tellrob@gmail.com>
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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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interface nsIDocShell;
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interface nsIDOMCanvasRenderingContext2D;
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interface nsITaskbarPreview;
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interface nsITaskbarPreviewButton;
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/**
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* nsITaskbarPreviewController
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*
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* nsITaskbarPreviewController provides the behavior for the taskbar previews.
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* Its methods and properties are used by nsITaskbarPreview. Clients are
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* intended to provide their own implementation of this interface. Depending on
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* the interface the controller is attached to, only certain methods/attributes
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* are required to be implemented.
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*/
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[scriptable, uuid(4FC0AFBB-3E22-4FBA-AC21-953350AF0411)]
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interface nsITaskbarPreviewController : nsISupports
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{
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/**
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* The width of the preview image. This value is allowed to change at any
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* time. See drawPreview for more information.
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*/
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readonly attribute unsigned long width;
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/**
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* The height of the preview image. This value is allowed to change at any
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* time. See drawPreview for more information.
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*/
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readonly attribute unsigned long height;
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/**
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* The aspect ratio of the thumbnail - this does not need to match the ratio
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* of the preview. This value is allowed to change at any time. See
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* drawThumbnail for more information.
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*/
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readonly attribute float thumbnailAspectRatio;
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/**
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* Invoked by nsITaskbarPreview when it needs to render the preview. The
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* context is attached to a surface with the controller's width and height
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* which are obtained immediately before the call.
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*
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* Note that the context is not attached to a canvas element.
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*
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* @param ctx Canvas drawing context
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*/
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boolean drawPreview(in nsIDOMCanvasRenderingContext2D ctx);
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/**
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* Invoked by the taskbar preview when it needs to draw the thumbnail in the
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* taskbar's application preview window.
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*
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* Note: it is guaranteed that width/height == thumbnailAspectRatio
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* (modulo rounding errors)
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*
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* Also note that the context is not attached to a canvas element.
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*
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* @param ctx Canvas drawing context
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* @param width The width of the surface backing the drawing context
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* @param height The height of the surface backing the drawing context
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*/
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boolean drawThumbnail(in nsIDOMCanvasRenderingContext2D ctx, in unsigned long width, in unsigned long height);
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/**
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* Invoked when the user presses the close button on the tab preview.
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*/
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void onClose();
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/**
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* Invoked when the user clicks on the tab preview.
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*
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* @return true if the top level window corresponding to the preview should
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* be activated, false if activation is not accepted.
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*/
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boolean onActivate();
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/**
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* Invoked when one of the buttons on the window preview's toolbar is pressed.
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*
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* @param button The button that was pressed. This can be compared with the
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* buttons returned by nsITaskbarWindowPreview.getButton.
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*/
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void onClick(in nsITaskbarPreviewButton button);
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};
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