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51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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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#ifndef __nsIRollupListener_h__
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#define __nsIRollupListener_h__
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#include "nsTArray.h"
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class nsIContent;
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class nsIWidget;
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class nsIRollupListener {
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public:
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/**
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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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*
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* aCount is the number of popups in a chain to close. If this is
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* PR_UINT32_MAX, then all popups are closed.
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* If aGetLastRolledUp is true, then return the last rolled up popup,
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* if this is supported.
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*/
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virtual nsIContent* Rollup(PRUint32 aCount, bool aGetLastRolledUp = false) = 0;
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/**
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* Asks the RollupListener if it should rollup on mousevents
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*/
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virtual bool ShouldRollupOnMouseWheelEvent() = 0;
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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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virtual bool ShouldRollupOnMouseActivate() = 0;
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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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virtual PRUint32 GetSubmenuWidgetChain(nsTArray<nsIWidget*> *aWidgetChain) = 0;
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};
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#endif /* __nsIRollupListener_h__ */
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