mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-26 18:31:29 +00:00
69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/* -*- 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"
|
|
|
|
class nsIContent;
|
|
class nsIWidget;
|
|
class nsIntPoint;
|
|
|
|
class nsIRollupListener {
|
|
public:
|
|
|
|
/**
|
|
* Notifies the object to rollup, optionally returning the node that
|
|
* was just rolled up.
|
|
*
|
|
* 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, 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<nsIWidget*> *aWidgetChain) = 0;
|
|
|
|
/**
|
|
* Notify the RollupListener that the widget did a Move or Resize.
|
|
*/
|
|
virtual void NotifyGeometryChange() = 0;
|
|
|
|
virtual nsIWidget* GetRollupWidget() = 0;
|
|
};
|
|
|
|
#endif /* __nsIRollupListener_h__ */
|