mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-30 16:22:00 +00:00
cbf38338a3
Depends on D167381 Differential Revision: https://phabricator.services.mozilla.com/D167413
82 lines
2.7 KiB
C++
82 lines
2.7 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"
|
|
#include "nsPoint.h"
|
|
#include "Units.h"
|
|
|
|
class nsIContent;
|
|
class nsIWidget;
|
|
|
|
class nsIRollupListener {
|
|
public:
|
|
enum class FlushViews : bool { No, Yes };
|
|
enum class AllowAnimations : bool { No, Yes };
|
|
struct RollupOptions {
|
|
// aCount is the number of popups in a chain to close. If this is
|
|
// zero, then all popups are closed.
|
|
uint32_t mCount = 0;
|
|
// If this is true, then views should be flushed after the rollup.
|
|
FlushViews mFlush = FlushViews::No;
|
|
// This is the mouse pointer position where the event that triggered the
|
|
// rollup occurred, which may be nullptr.
|
|
const mozilla::LayoutDeviceIntPoint* mPoint = nullptr;
|
|
// Whether to allow panel animations.
|
|
AllowAnimations mAllowAnimations = AllowAnimations::Yes;
|
|
};
|
|
|
|
/**
|
|
* Notifies the object to rollup, optionally returning the node that
|
|
* was just rolled up in aLastRolledUp, if non-null.
|
|
*
|
|
* aLastRolledUp is not addrefed.
|
|
*
|
|
* Returns true if the event that the caller is processing should be consumed.
|
|
*/
|
|
MOZ_CAN_RUN_SCRIPT_BOUNDARY
|
|
virtual bool Rollup(const RollupOptions&,
|
|
nsIContent** aLastRolledUp = nullptr) = 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;
|
|
|
|
virtual nsIWidget* GetRollupWidget() = 0;
|
|
|
|
/**
|
|
* If a native menu is currently shown, closes the menu.
|
|
* Returns true if a native menu was open.
|
|
*/
|
|
virtual bool RollupNativeMenu() { return false; }
|
|
};
|
|
|
|
#endif /* __nsIRollupListener_h__ */
|