mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-30 00:01:50 +00:00
93 lines
3.1 KiB
Plaintext
93 lines
3.1 KiB
Plaintext
/* vim: se cin sw=2 ts=2 et : */
|
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "nsISupports.idl"
|
|
|
|
interface nsIDocShell;
|
|
interface nsITaskbarPreview;
|
|
interface nsITaskbarPreviewButton;
|
|
|
|
/**
|
|
* nsITaskbarPreviewController
|
|
*
|
|
* nsITaskbarPreviewController provides the behavior for the taskbar previews.
|
|
* Its methods and properties are used by nsITaskbarPreview. Clients are
|
|
* intended to provide their own implementation of this interface. Depending on
|
|
* the interface the controller is attached to, only certain methods/attributes
|
|
* are required to be implemented.
|
|
*/
|
|
[scriptable, uuid(4FC0AFBB-3E22-4FBA-AC21-953350AF0411)]
|
|
interface nsITaskbarPreviewController : nsISupports
|
|
{
|
|
/**
|
|
* The width of the preview image. This value is allowed to change at any
|
|
* time. See drawPreview for more information.
|
|
*/
|
|
readonly attribute unsigned long width;
|
|
|
|
/**
|
|
* The height of the preview image. This value is allowed to change at any
|
|
* time. See drawPreview for more information.
|
|
*/
|
|
readonly attribute unsigned long height;
|
|
|
|
/**
|
|
* The aspect ratio of the thumbnail - this does not need to match the ratio
|
|
* of the preview. This value is allowed to change at any time. See
|
|
* drawThumbnail for more information.
|
|
*/
|
|
readonly attribute float thumbnailAspectRatio;
|
|
|
|
/**
|
|
* Invoked by nsITaskbarPreview when it needs to render the preview. The
|
|
* context is attached to a surface with the controller's width and height
|
|
* which are obtained immediately before the call.
|
|
*
|
|
* Note that the context is not attached to a canvas element.
|
|
*
|
|
* @param ctx Canvas drawing context
|
|
*/
|
|
boolean drawPreview(in nsISupports ctx);
|
|
|
|
/**
|
|
* Invoked by the taskbar preview when it needs to draw the thumbnail in the
|
|
* taskbar's application preview window.
|
|
*
|
|
* Note: it is guaranteed that width/height == thumbnailAspectRatio
|
|
* (modulo rounding errors)
|
|
*
|
|
* Also note that the context is not attached to a canvas element.
|
|
*
|
|
* @param ctx Canvas drawing context
|
|
* @param width The width of the surface backing the drawing context
|
|
* @param height The height of the surface backing the drawing context
|
|
*/
|
|
boolean drawThumbnail(in nsISupports ctx, in unsigned long width, in unsigned long height);
|
|
|
|
/**
|
|
* Invoked when the user presses the close button on the tab preview.
|
|
*/
|
|
void onClose();
|
|
|
|
/**
|
|
* Invoked when the user clicks on the tab preview.
|
|
*
|
|
* @return true if the top level window corresponding to the preview should
|
|
* be activated, false if activation is not accepted.
|
|
*/
|
|
boolean onActivate();
|
|
|
|
/**
|
|
* Invoked when one of the buttons on the window preview's toolbar is pressed.
|
|
*
|
|
* @param button The button that was pressed. This can be compared with the
|
|
* buttons returned by nsITaskbarWindowPreview.getButton.
|
|
*/
|
|
void onClick(in nsITaskbarPreviewButton button);
|
|
};
|
|
|