author Ryan Hunt <>
Tue, 27 Nov 2018 15:32:47 -0600
changeset 453387 462f25bfdc6514d182cd150c8142a03fb6078316
parent 448947 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1305957 part 6 - Select scroll anchors when flushing notifications in PresShell. r=hiro This commit adds a mechanism for scroll anchor containers to request an anchor node selection at a future time. Currently this is before styling so that anchor adjustment suppression will have current anchor nodes. Differential Revision:

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sts=2 sw=2 et cin: */
/* 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 */

#pragma once

// Moz headers (alphabetical)

// System headers (alphabetical)
#include <windows.h>  // HINSTANCE, HANDLE
#include <wlanapi.h>  // Wlan* functions

class WinWLANLibrary {
  static WinWLANLibrary* Load();

  HANDLE GetWLANHandle() const;
  decltype(::WlanEnumInterfaces)* GetWlanEnumInterfacesPtr() const;
  decltype(::WlanGetNetworkBssList)* GetWlanGetNetworkBssListPtr() const;
  decltype(::WlanFreeMemory)* GetWlanFreeMemoryPtr() const;
  decltype(::WlanCloseHandle)* GetWlanCloseHandlePtr() const;
  decltype(::WlanOpenHandle)* GetWlanOpenHandlePtr() const;
  decltype(::WlanRegisterNotification)* GetWlanRegisterNotificationPtr() const;
  decltype(::WlanScan)* GetWlanScanPtr() const;

  bool Initialize();

  HMODULE mWlanLibrary;
  HANDLE mWlanHandle;
  decltype(::WlanEnumInterfaces)* mWlanEnumInterfacesPtr;
  decltype(::WlanGetNetworkBssList)* mWlanGetNetworkBssListPtr;
  decltype(::WlanFreeMemory)* mWlanFreeMemoryPtr;
  decltype(::WlanCloseHandle)* mWlanCloseHandlePtr;
  decltype(::WlanOpenHandle)* mWlanOpenHandlePtr;
  decltype(::WlanRegisterNotification)* mWlanRegisterNotificationPtr;
  decltype(::WlanScan)* mWlanScanPtr;

class ScopedWLANObject {
  ScopedWLANObject(WinWLANLibrary* library, void* object)
      : mLibrary(library), mObject(object) {}

  ~ScopedWLANObject() { (*(mLibrary->GetWlanFreeMemoryPtr()))(mObject); }

  WinWLANLibrary* mLibrary;
  void* mObject;