From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- widget/nsIRollupListener.h | 71 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 widget/nsIRollupListener.h (limited to 'widget/nsIRollupListener.h') diff --git a/widget/nsIRollupListener.h b/widget/nsIRollupListener.h new file mode 100644 index 000000000..83c2dd142 --- /dev/null +++ b/widget/nsIRollupListener.h @@ -0,0 +1,71 @@ +/* -*- 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/. */ + +#ifndef __nsIRollupListener_h__ +#define __nsIRollupListener_h__ + +#include "nsTArray.h" +#include "nsPoint.h" + +class nsIContent; +class nsIWidget; + +class nsIRollupListener { + public: + + /** + * Notifies the object to rollup, optionally returning the node that + * was just rolled up. + * + * If aFlush is true, then views should be flushed after the rollup. + * + * aPoint is the mouse pointer position where the event that triggered the + * rollup occurred, which may be nullptr. + * + * aCount is the number of popups in a chain to close. If this is + * UINT32_MAX, then all popups are closed. + * If aLastRolledUp is non-null, it will be set to the last rolled up popup, + * if this is supported. aLastRolledUp is not addrefed. + * + * Returns true if the event that the caller is processing should be consumed. + */ + virtual bool Rollup(uint32_t aCount, bool aFlush, + const nsIntPoint* aPoint, nsIContent** aLastRolledUp) = 0; + + /** + * Asks the RollupListener if it should rollup on mouse wheel events + */ + virtual bool ShouldRollupOnMouseWheelEvent() = 0; + + /** + * Asks the RollupListener if it should consume mouse wheel events + */ + virtual bool ShouldConsumeOnMouseWheelEvent() = 0; + + /** + * Asks the RollupListener if it should rollup on mouse activate, eg. X-Mouse + */ + virtual bool ShouldRollupOnMouseActivate() = 0; + + /* + * Retrieve the widgets for open menus and store them in the array + * aWidgetChain. The number of menus of the same type should be returned, + * for example, if a context menu is open, return only the number of menus + * that are part of the context menu chain. This allows closing up only + * those menus in different situations. The returned value should be exactly + * the same number of widgets added to aWidgetChain. + */ + virtual uint32_t GetSubmenuWidgetChain(nsTArray *aWidgetChain) = 0; + + /** + * Notify the RollupListener that the widget did a Move or Resize. + */ + virtual void NotifyGeometryChange() = 0; + + virtual nsIWidget* GetRollupWidget() = 0; +}; + +#endif /* __nsIRollupListener_h__ */ -- cgit v1.2.3