widget/nsIRollupListener.h
author B2G Bumper Bot <release+b2gbumper@mozilla.com>
Mon, 22 Feb 2016 03:49:17 -0800
changeset 325569 0a57b98cd14f933331868d1efdea5ec997f0511f
parent 270084 7f2cb4c27f48b2afcdf78c711eb11eae36bf0db3
child 505383 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bumping gaia.json for 2 gaia revision(s) a=gaia-bump ======== https://hg.mozilla.org/integration/gaia-central/rev/e77f885e5e54 Author: Ricky Chien <rickychien@users.noreply.github.com> Desc: Merge pull request #34073 from rickychien/bug-955989 Bug 955989 - Running additional-extensions.js and download-manager.js on node.js r=@=scottwu ======== https://hg.mozilla.org/integration/gaia-central/rev/f9e8113e2739 Author: Ricky Chien <ricky060709@gmail.com> Desc: Bug 955989 - Running additional-extensions.js and download-manager.js on node.js

/* -*- 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"

class nsIContent;
class nsIWidget;

class nsIRollupListener {
 public: 

  /**
   * Notifies the object to rollup, optionally returning the node that
   * was just rolled up.
   *
   * If aFlush is true, then views should be flushed after the rollup.
   *
   * 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, bool aFlush,
                      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__ */