dom/base/nsWindowRoot.h
author Simon Whitehead <chemnova@gmail.com>
Sat, 13 May 2017 15:12:15 -0500
changeset 358329 633151f5d481d49bd39900d43e6a75d77459a7bb
parent 302476 8a1a3f39c99bb847bc4c9fa2428fa0bf5e45ebba
child 379758 ef1641e40903ff5e6cff94f2a1d1a3188598e563
permissions -rw-r--r--
servo: Merge #16829 - Disallow negative duration for animation and transition (from hiikezoe:disallow-negative-duration); r=emilio <!-- Please describe your changes on the following line: --> --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [X] `./mach build -d` does not report any errors - [X] `./mach test-tidy` does not report any errors - [X] These changes fix #15343 <!-- Either: --> - [X] There are tests for these changes written by @simon-whitehead . Thank you! <!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.--> <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> Source-Repo: https://github.com/servo/servo Source-Revision: 4613c0382ab76263fb8202ccf52f4c0520e44809

/* -*- 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 nsWindowRoot_h__
#define nsWindowRoot_h__

class nsIDOMEvent;
class nsIGlobalObject;

#include "mozilla/Attributes.h"
#include "mozilla/EventListenerManager.h"
#include "nsIDOMEventTarget.h"
#include "nsIWeakReferenceUtils.h"
#include "nsPIWindowRoot.h"
#include "nsCycleCollectionParticipant.h"
#include "nsTHashtable.h"
#include "nsHashKeys.h"

class nsWindowRoot final : public nsPIWindowRoot
{
public:
  explicit nsWindowRoot(nsPIDOMWindowOuter* aWindow);

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  NS_DECL_NSIDOMEVENTTARGET

  virtual mozilla::EventListenerManager*
    GetExistingListenerManager() const override;
  virtual mozilla::EventListenerManager*
    GetOrCreateListenerManager() override;

  using mozilla::dom::EventTarget::RemoveEventListener;
  virtual void AddEventListener(const nsAString& aType,
                                mozilla::dom::EventListener* aListener,
                                const mozilla::dom::AddEventListenerOptionsOrBoolean& aOptions,
                                const mozilla::dom::Nullable<bool>& aWantsUntrusted,
                                mozilla::ErrorResult& aRv) override;

  // nsPIWindowRoot

  virtual nsPIDOMWindowOuter* GetWindow() override;

  virtual nsresult GetControllers(nsIControllers** aResult) override;
  virtual nsresult GetControllerForCommand(const char * aCommand,
                                           nsIController** _retval) override;

  virtual void GetEnabledDisabledCommands(nsTArray<nsCString>& aEnabledCommands,
                                          nsTArray<nsCString>& aDisabledCommands) override;

  virtual nsIDOMNode* GetPopupNode() override;
  virtual void SetPopupNode(nsIDOMNode* aNode) override;

  virtual void SetParentTarget(mozilla::dom::EventTarget* aTarget) override
  {
    mParent = aTarget;
  }
  virtual mozilla::dom::EventTarget* GetParentTarget() override { return mParent; }
  virtual nsPIDOMWindowOuter* GetOwnerGlobalForBindings() override;
  virtual nsIGlobalObject* GetOwnerGlobal() const override;

  nsIGlobalObject* GetParentObject();

  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsWindowRoot,
                                                         nsIDOMEventTarget)

  virtual void AddBrowser(mozilla::dom::TabParent* aBrowser) override;
  virtual void RemoveBrowser(mozilla::dom::TabParent* aBrowser) override;
  virtual void EnumerateBrowsers(BrowserEnumerator aEnumFunc, void *aArg) override;

  virtual bool ShowAccelerators() override
  {
    return mShowAccelerators;
  }

  virtual bool ShowFocusRings() override
  {
    return mShowFocusRings;
  }

  virtual void SetShowAccelerators(bool aEnable) override
  {
    mShowAccelerators = aEnable;
  }

  virtual void SetShowFocusRings(bool aEnable) override
  {
    mShowFocusRings = aEnable;
  }

protected:
  virtual ~nsWindowRoot();

  void GetEnabledDisabledCommandsForControllers(nsIControllers* aControllers,
                                                nsTHashtable<nsCharPtrHashKey>& aCommandsHandled,
                                                nsTArray<nsCString>& aEnabledCommands,
                                                nsTArray<nsCString>& aDisabledCommands);

  // Members
  nsCOMPtr<nsPIDOMWindowOuter> mWindow;
  // We own the manager, which owns event listeners attached to us.
  RefPtr<mozilla::EventListenerManager> mListenerManager; // [Strong]
  nsWeakPtr mPopupNode;

  // True if focus rings and accelerators are enabled for this
  // window hierarchy.
  bool mShowAccelerators;
  bool mShowFocusRings;

  nsCOMPtr<mozilla::dom::EventTarget> mParent;

  // The TabParents that are currently registered with this top-level window.
  typedef nsTHashtable<nsRefPtrHashKey<nsIWeakReference>> WeakBrowserTable;
  WeakBrowserTable mWeakBrowsers;
};

extern already_AddRefed<mozilla::dom::EventTarget>
NS_NewWindowRoot(nsPIDOMWindowOuter* aWindow);

#endif