1999-10-01 08:19:08 +00:00
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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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2012-05-21 11:12:37 +00:00
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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1999-10-01 08:19:08 +00:00
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2009-12-22 23:49:33 +00:00
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#ifndef __nsIRollupListener_h__
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#define __nsIRollupListener_h__
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1999-10-01 08:19:08 +00:00
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2011-11-08 19:59:07 +00:00
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#include "nsTArray.h"
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2009-12-22 23:49:33 +00:00
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class nsIContent;
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2011-11-08 19:59:07 +00:00
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class nsIWidget;
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2009-12-22 23:49:33 +00:00
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class nsIRollupListener {
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public:
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2007-12-03 16:33:42 +00:00
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1999-10-01 08:19:08 +00:00
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/**
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2007-12-03 16:33:42 +00:00
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* Notifies the object to rollup, optionally returning the node that
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* was just rolled up.
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2009-06-12 18:23:16 +00:00
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*
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* aCount is the number of popups in a chain to close. If this is
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2012-09-28 06:57:33 +00:00
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* UINT32_MAX, then all popups are closed.
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2012-10-26 13:15:22 +00:00
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* If aLastRolledUp is non-null, it will be set to the last rolled up popup,
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* if this is supported. aLastRolledUp is not addrefed.
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*
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* Returns true if the event that the caller is processing should be consumed.
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1999-10-01 08:19:08 +00:00
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*/
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2012-10-26 13:15:22 +00:00
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virtual bool Rollup(uint32_t aCount, nsIContent** aLastRolledUp) = 0;
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2000-05-12 20:23:04 +00:00
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/**
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2013-03-08 19:48:48 +00:00
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* Asks the RollupListener if it should rollup on mouse wheel events
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2000-05-12 20:23:04 +00:00
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*/
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2011-11-08 19:59:07 +00:00
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virtual bool ShouldRollupOnMouseWheelEvent() = 0;
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2000-05-12 20:23:04 +00:00
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2013-03-08 19:48:48 +00:00
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/**
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* Asks the RollupListener if it should consume mouse wheel events
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*/
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virtual bool ShouldConsumeOnMouseWheelEvent() = 0;
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2001-12-11 06:16:07 +00:00
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/**
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* Asks the RollupListener if it should rollup on mouse activate, eg. X-Mouse
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*/
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2011-11-08 19:59:07 +00:00
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virtual bool ShouldRollupOnMouseActivate() = 0;
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2001-12-11 06:16:07 +00:00
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2011-11-08 19:59:07 +00:00
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/*
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* Retrieve the widgets for open menus and store them in the array
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* aWidgetChain. The number of menus of the same type should be returned,
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* for example, if a context menu is open, return only the number of menus
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* that are part of the context menu chain. This allows closing up only
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* those menus in different situations. The returned value should be exactly
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* the same number of widgets added to aWidgetChain.
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*/
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2012-08-22 15:56:38 +00:00
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virtual uint32_t GetSubmenuWidgetChain(nsTArray<nsIWidget*> *aWidgetChain) = 0;
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2012-06-23 01:13:56 +00:00
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/**
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* Notify the RollupListener that the widget did a Move or Resize.
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*/
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virtual void NotifyGeometryChange() = 0;
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2012-10-26 13:15:22 +00:00
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virtual nsIWidget* GetRollupWidget() = 0;
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1999-10-01 08:19:08 +00:00
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};
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2009-12-22 23:49:33 +00:00
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#endif /* __nsIRollupListener_h__ */
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