xpfe/appshell/nsAppShellService.h
author Kershaw Chang <kershaw@mozilla.com>
Thu, 15 Aug 2019 12:52:54 +0000
changeset 488256 a8e1c8f886fb76d41d6c0aa06e3ab8c52ba6962a
parent 472094 e1993a1f09ac53cd1a04fdf6a87f8cad8e44f73e
child 499812 db661db8875b9bce6dc1cc5e2e42b4315bf467a0
permissions -rw-r--r--
Bug 1571283 - Add null check for mObserver r=baku Differential Revision: https://phabricator.services.mozilla.com/D42092

/* -*- 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 __nsAppShellService_h
#define __nsAppShellService_h

#include "nsIAppShellService.h"
#include "nsIObserver.h"

// Interfaces Needed
#include "nsWebShellWindow.h"
#include "nsStringFwd.h"
#include "nsAutoPtr.h"
#include "nsIRemoteTab.h"
#include "mozilla/Attributes.h"

// {0099907D-123C-4853-A46A-43098B5FB68C}
#define NS_APPSHELLSERVICE_CID                      \
  {                                                 \
    0x99907d, 0x123c, 0x4853, {                     \
      0xa4, 0x6a, 0x43, 0x9, 0x8b, 0x5f, 0xb6, 0x8c \
    }                                               \
  }

class nsAppShellService final : public nsIAppShellService, public nsIObserver {
 public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSIAPPSHELLSERVICE
  NS_DECL_NSIOBSERVER

  nsAppShellService();

 protected:
  ~nsAppShellService();

  nsresult CreateHiddenWindowHelper(bool aIsPrivate);
  void EnsureHiddenWindow();
  void EnsurePrivateHiddenWindow();

  nsresult JustCreateTopWindow(nsIXULWindow* aParent, nsIURI* aUrl,
                               uint32_t aChromeMask, int32_t aInitialWidth,
                               int32_t aInitialHeight, bool aIsHiddenWindow,
                               nsIRemoteTab* aOpeningTab,
                               mozIDOMWindowProxy* aOpenerWindow,
                               nsWebShellWindow** aResult);
  uint32_t CalculateWindowZLevel(nsIXULWindow* aParent, uint32_t aChromeMask);

  RefPtr<nsWebShellWindow> mHiddenWindow;
  RefPtr<nsWebShellWindow> mHiddenPrivateWindow;
  bool mXPCOMWillShutDown;
  bool mXPCOMShuttingDown;
  uint16_t mModalWindowCount;
  bool mApplicationProvidedHiddenWindow;
  uint32_t mScreenId;
};

#endif