dom/base/nsWindowRoot.h

   1 /* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef nsWindowRoot_h__
   8 #define nsWindowRoot_h__
   9
  10 class nsPIDOMWindow;
  11 class nsIDOMEventListener;
  12 class nsIDOMEvent;
  13
  14 namespace mozilla {
  15 class EventChainPostVisitor;
  16 class EventChainPreVisitor;
  17 } // namespace mozilla
  18
  19 #include "mozilla/Attributes.h"
  20 #include "mozilla/EventListenerManager.h"
  21 #include "nsIDOMEventTarget.h"
  22 #include "nsPIWindowRoot.h"
  23 #include "nsCycleCollectionParticipant.h"
  24 #include "nsAutoPtr.h"
  25
  26 class nsWindowRoot : public nsPIWindowRoot
  27 {
  28 public:
  29   explicit nsWindowRoot(nsPIDOMWindow* aWindow);
  30
  31   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  32   NS_DECL_NSIDOMEVENTTARGET
  33
  34   virtual mozilla::EventListenerManager*
  35     GetExistingListenerManager() const MOZ_OVERRIDE;
  36   virtual mozilla::EventListenerManager*
  37     GetOrCreateListenerManager() MOZ_OVERRIDE;
  38
  39   using mozilla::dom::EventTarget::RemoveEventListener;
  40   virtual void AddEventListener(const nsAString& aType,
  41                                 mozilla::dom::EventListener* aListener,
  42                                 bool aUseCapture,
  43                                 const mozilla::dom::Nullable<bool>& aWantsUntrusted,
  44                                 mozilla::ErrorResult& aRv) MOZ_OVERRIDE;
  45
  46   // nsPIWindowRoot
  47
  48   virtual nsPIDOMWindow* GetWindow() MOZ_OVERRIDE;
  49
  50   virtual nsresult GetControllers(nsIControllers** aResult) MOZ_OVERRIDE;
  51   virtual nsresult GetControllerForCommand(const char * aCommand,
  52                                            nsIController** _retval) MOZ_OVERRIDE;
  53
  54   virtual nsIDOMNode* GetPopupNode() MOZ_OVERRIDE;
  55   virtual void SetPopupNode(nsIDOMNode* aNode) MOZ_OVERRIDE;
  56
  57   virtual void SetParentTarget(mozilla::dom::EventTarget* aTarget) MOZ_OVERRIDE
  58   {
  59     mParent = aTarget;
  60   }
  61   virtual mozilla::dom::EventTarget* GetParentTarget() MOZ_OVERRIDE { return mParent; }
  62   virtual nsIDOMWindow* GetOwnerGlobal() MOZ_OVERRIDE;
  63
  64   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsWindowRoot,
  65                                                          nsIDOMEventTarget)
  66
  67 protected:
  68   virtual ~nsWindowRoot();
  69
  70   // Members
  71   nsCOMPtr<nsPIDOMWindow> mWindow;
  72   // We own the manager, which owns event listeners attached to us.
  73   nsRefPtr<mozilla::EventListenerManager> mListenerManager; // [Strong]
  74   nsCOMPtr<nsIDOMNode> mPopupNode; // [OWNER]
  75
  76   nsCOMPtr<mozilla::dom::EventTarget> mParent;
  77 };
  78
  79 extern already_AddRefed<mozilla::dom::EventTarget>
  80 NS_NewWindowRoot(nsPIDOMWindow* aWindow);
  81
  82 #endif