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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 __nsWindowWatcher_h__
#define __nsWindowWatcher_h__

// {a21bfa01-f349-4394-a84c-8de5cf0737d0}
#define NS_WINDOWWATCHER_CID                        \
  {                                                 \
    0xa21bfa01, 0xf349, 0x4394, {                   \
      0xa8, 0x4c, 0x8d, 0xe5, 0xcf, 0x7, 0x37, 0xd0 \
    }                                               \
  }

#include "nsCOMPtr.h"
#include "Units.h"
#include "mozilla/Mutex.h"
#include "mozilla/Maybe.h"
#include "nsIWindowCreator.h"  // for stupid compilers
#include "nsIWindowWatcher.h"
#include "nsIOpenWindowInfo.h"
#include "nsIPromptFactory.h"
#include "nsIRemoteTab.h"
#include "nsPIWindowWatcher.h"
#include "nsTArray.h"
#include "mozilla/dom/WindowFeatures.h"  // mozilla::dom::WindowFeatures

class nsIURI;
class nsIDocShellTreeItem;
class nsIDocShellTreeOwner;
class nsPIDOMWindowOuter;
class nsWatcherWindowEnumerator;
class nsPromptService;
struct nsWatcherWindowEntry;

class nsWindowWatcher : public nsIWindowWatcher,
                        public nsPIWindowWatcher,
                        public nsIPromptFactory {
  friend class nsWatcherWindowEnumerator;

 public:
  nsWindowWatcher();

  nsresult Init();

  NS_DECL_ISUPPORTS

  NS_DECL_NSIWINDOWWATCHER
  NS_DECL_NSPIWINDOWWATCHER
  NS_DECL_NSIPROMPTFACTORY

  static int32_t GetWindowOpenLocation(nsPIDOMWindowOuter* aParent,
                                       uint32_t aChromeFlags,
                                       bool aCalledFromJS, bool aIsForPrinting);

  static bool HaveSpecifiedSize(const mozilla::dom::WindowFeatures& features);

 protected:
  virtual ~nsWindowWatcher();

  friend class nsPromptService;
  bool AddEnumerator(nsWatcherWindowEnumerator* aEnumerator);
  bool RemoveEnumerator(nsWatcherWindowEnumerator* aEnumerator);

  nsWatcherWindowEntry* FindWindowEntry(mozIDOMWindowProxy* aWindow);
  nsresult RemoveWindow(nsWatcherWindowEntry* aInfo);

  // Just like OpenWindowJS, but knows whether it got called via OpenWindowJS
  // (which means called from script) or called via OpenWindow.
  nsresult OpenWindowInternal(mozIDOMWindowProxy* aParent,
                              const nsACString& aUrl, const nsACString& aName,
                              const nsACString& aFeatures, bool aCalledFromJS,
                              bool aDialog, bool aNavigate, nsIArray* aArgv,
                              bool aIsPopupSpam, bool aForceNoOpener,
                              bool aForceNoReferrer, PrintKind,
                              nsDocShellLoadState* aLoadState,
                              mozilla::dom::BrowsingContext** aResult);

  static nsresult URIfromURL(const nsACString& aURL,
                             mozIDOMWindowProxy* aParent, nsIURI** aURI);

  static bool ShouldOpenPopup(const mozilla::dom::WindowFeatures& aFeatures);

  static uint32_t CalculateChromeFlagsForContent(
      const mozilla::dom::WindowFeatures& aFeatures, bool* aIsPopupRequested);

  static uint32_t CalculateChromeFlagsForSystem(
      const mozilla::dom::WindowFeatures& aFeatures, bool aDialog,
      bool aChromeURL);

 private:
  MOZ_CAN_RUN_SCRIPT_BOUNDARY nsresult CreateChromeWindow(
      nsIWebBrowserChrome* aParentChrome, uint32_t aChromeFlags,
      nsIOpenWindowInfo* aOpenWindowInfo, nsIWebBrowserChrome** aResult);

  static uint32_t CalculateChromeFlagsHelper(
      uint32_t aInitialFlags, const mozilla::dom::WindowFeatures& aFeatures,
      bool* presenceFlag = nullptr);

 protected:
  nsTArray<nsWatcherWindowEnumerator*> mEnumeratorList;
  nsWatcherWindowEntry* mOldestWindow;
  mozilla::Mutex mListLock MOZ_UNANNOTATED;

  nsCOMPtr<nsIWindowCreator> mWindowCreator;
};

#endif