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71 lines
2.3 KiB
71 lines
2.3 KiB
/* -*- 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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#include "nsPoint.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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* If aFlush is true, then views should be flushed after the rollup. |
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* |
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* aPoint is the mouse pointer position where the event that triggered the |
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* rollup occurred, which may be nullptr. |
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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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* UINT32_MAX, then all popups are closed. |
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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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*/ |
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virtual bool Rollup(uint32_t aCount, bool aFlush, |
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const nsIntPoint* aPoint, nsIContent** aLastRolledUp) = 0; |
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/** |
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* Asks the RollupListener if it should rollup on mouse wheel events |
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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 consume mouse wheel events |
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*/ |
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virtual bool ShouldConsumeOnMouseWheelEvent() = 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 uint32_t GetSubmenuWidgetChain(nsTArray<nsIWidget*> *aWidgetChain) = 0; |
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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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virtual nsIWidget* GetRollupWidget() = 0; |
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}; |
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#endif /* __nsIRollupListener_h__ */
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