gecko-dev/dom/base/nsWindowRoot.h
2018-04-20 12:55:30 -04:00

126 lines
4.2 KiB
C++

/* -*- 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 nsIGlobalObject;
#include "mozilla/Attributes.h"
#include "mozilla/EventListenerManager.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
virtual mozilla::EventListenerManager*
GetExistingListenerManager() const override;
virtual mozilla::EventListenerManager*
GetOrCreateListenerManager() override;
bool ComputeDefaultWantsUntrusted(mozilla::ErrorResult& aRv) final;
bool DispatchEvent(mozilla::dom::Event& aEvent,
mozilla::dom::CallerType aCallerType,
mozilla::ErrorResult& aRv) override;
void GetEventTargetParent(mozilla::EventChainPreVisitor& aVisitor) override;
nsresult PostHandleEvent(mozilla::EventChainPostVisitor& aVisitor) override;
// nsPIWindowRoot
virtual nsPIDOMWindowOuter* GetWindow() override;
virtual nsresult GetControllers(bool aForVisibleWindow,
nsIControllers** aResult) override;
virtual nsresult GetControllerForCommand(const char * aCommand,
bool aForVisibleWindow,
nsIController** _retval) override;
virtual void GetEnabledDisabledCommands(nsTArray<nsCString>& aEnabledCommands,
nsTArray<nsCString>& aDisabledCommands) override;
virtual already_AddRefed<nsINode> GetPopupNode() override;
virtual void SetPopupNode(nsINode* 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(nsWindowRoot)
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