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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /widget/nsITaskbarPreviewController.idl
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'widget/nsITaskbarPreviewController.idl')
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+/* 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;
+
+/**
+ * nsITaskbarPreviewCallback
+ *
+ * Provides an interface for async image result callbacks. See
+ * nsITaskbarPreviewController request apis below.
+ */
+[scriptable, function, uuid(f3744696-320d-4804-9c27-6a84c29acaa6)]
+interface nsITaskbarPreviewCallback : nsISupports
+{
+ void done(in nsISupports aCanvas, in boolean aDrawBorder);
+};
+
+/**
+ * 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(8b427646-e446-4941-ae0b-c1122a173a68)]
+interface nsITaskbarPreviewController : nsISupports
+{
+ /**
+ * The width of the preview image. This value is allowed to change at any
+ * time. See requestPreview for more information.
+ */
+ readonly attribute unsigned long width;
+
+ /**
+ * The height of the preview image. This value is allowed to change at any
+ * time. See requestPreview 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
+ * requestThumbnail for more information.
+ */
+ readonly attribute float thumbnailAspectRatio;
+
+ /**
+ * Invoked by nsITaskbarPreview when it needs to render the preview.
+ *
+ * @param aCallback Async callback the controller should invoke once
+ * the thumbnail is rendered. aCallback receives as its only parameter
+ * a canvas containing the preview image.
+ */
+ void requestPreview(in nsITaskbarPreviewCallback aCallback);
+
+ /**
+ * Note: it is guaranteed that width/height == thumbnailAspectRatio
+ * (modulo rounding errors)
+ *
+ * Also note that the context is not attached to a canvas element.
+ *
+ * @param aCallback Async callback the controller should invoke once
+ * the thumbnail is rendered. aCallback receives as its only parameter
+ * a canvas containing the thumbnail image. Canvas dimensions should
+ * match the requested width or height otherwise setting the thumbnail
+ * will fail.
+ * @param width The width of the requested thumbnail
+ * @param height The height of the requested thumbnail
+ */
+ void requestThumbnail(in nsITaskbarPreviewCallback aCallback,
+ 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);
+};