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 class nsIGlobalObject;
  14
  15 namespace mozilla {
  16 class EventChainPostVisitor;
  17 class EventChainPreVisitor;
  18 } // namespace mozilla
  19
  20 #include "mozilla/Attributes.h"
  21 #include "mozilla/EventListenerManager.h"
  22 #include "nsIDOMEventTarget.h"
  23 #include "nsPIWindowRoot.h"
  24 #include "nsCycleCollectionParticipant.h"
  25 #include "nsAutoPtr.h"
  26 #include "nsTHashtable.h"
  27 #include "nsHashKeys.h"
  28
  29 class nsWindowRoot : public nsPIWindowRoot
  30 {
  31 public:
  32   explicit nsWindowRoot(nsPIDOMWindow* aWindow);
  33
  34   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  35   NS_DECL_NSIDOMEVENTTARGET
  36
  37   virtual mozilla::EventListenerManager*
  38     GetExistingListenerManager() const MOZ_OVERRIDE;
  39   virtual mozilla::EventListenerManager*
  40     GetOrCreateListenerManager() MOZ_OVERRIDE;
  41
  42   using mozilla::dom::EventTarget::RemoveEventListener;
  43   virtual void AddEventListener(const nsAString& aType,
  44                                 mozilla::dom::EventListener* aListener,
  45                                 bool aUseCapture,
  46                                 const mozilla::dom::Nullable<bool>& aWantsUntrusted,
  47                                 mozilla::ErrorResult& aRv) MOZ_OVERRIDE;
  48
  49   // nsPIWindowRoot
  50
  51   virtual nsPIDOMWindow* GetWindow() MOZ_OVERRIDE;
  52
  53   virtual nsresult GetControllers(nsIControllers** aResult) MOZ_OVERRIDE;
  54   virtual nsresult GetControllerForCommand(const char * aCommand,
  55                                            nsIController** _retval) MOZ_OVERRIDE;
  56
  57   virtual void GetEnabledDisabledCommands(nsTArray<nsCString>& aEnabledCommands,
  58                                           nsTArray<nsCString>& aDisabledCommands) MOZ_OVERRIDE;
  59
  60   virtual nsIDOMNode* GetPopupNode() MOZ_OVERRIDE;
  61   virtual void SetPopupNode(nsIDOMNode* aNode) MOZ_OVERRIDE;
  62
  63   virtual void SetParentTarget(mozilla::dom::EventTarget* aTarget) MOZ_OVERRIDE
  64   {
  65     mParent = aTarget;
  66   }
  67   virtual mozilla::dom::EventTarget* GetParentTarget() MOZ_OVERRIDE { return mParent; }
  68   virtual nsIDOMWindow* GetOwnerGlobal() MOZ_OVERRIDE;
  69
  70   nsIGlobalObject* GetParentObject();
  71
  72   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
  73
  74   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsWindowRoot,
  75                                                          nsIDOMEventTarget)
  76
  77 protected:
  78   virtual ~nsWindowRoot();
  79
  80   void GetEnabledDisabledCommandsForControllers(nsIControllers* aControllers,
  81                                                 nsTHashtable<nsCharPtrHashKey>& aCommandsHandled,
  82                                                 nsTArray<nsCString>& aEnabledCommands,
  83                                                 nsTArray<nsCString>& aDisabledCommands);
  84
  85   // Members
  86   nsCOMPtr<nsPIDOMWindow> mWindow;
  87   // We own the manager, which owns event listeners attached to us.
  88   nsRefPtr<mozilla::EventListenerManager> mListenerManager; // [Strong]
  89   nsCOMPtr<nsIDOMNode> mPopupNode; // [OWNER]
  90
  91   nsCOMPtr<mozilla::dom::EventTarget> mParent;
  92 };
  93
  94 extern already_AddRefed<mozilla::dom::EventTarget>
  95 NS_NewWindowRoot(nsPIDOMWindow* aWindow);
  96
  97 #endif